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-rw-r--r--src/com/android/photos/views/BlockingGLTextureView.java438
-rw-r--r--src/com/android/photos/views/GalleryThumbnailView.java883
-rw-r--r--src/com/android/photos/views/HeaderGridView.java466
-rw-r--r--src/com/android/photos/views/SquareImageView.java53
-rw-r--r--src/com/android/photos/views/TiledImageRenderer.java825
-rw-r--r--src/com/android/photos/views/TiledImageView.java382
6 files changed, 0 insertions, 3047 deletions
diff --git a/src/com/android/photos/views/BlockingGLTextureView.java b/src/com/android/photos/views/BlockingGLTextureView.java
deleted file mode 100644
index 8a0505185..000000000
--- a/src/com/android/photos/views/BlockingGLTextureView.java
+++ /dev/null
@@ -1,438 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.photos.views;
-
-import android.content.Context;
-import android.graphics.SurfaceTexture;
-import android.opengl.GLSurfaceView.Renderer;
-import android.opengl.GLUtils;
-import android.util.Log;
-import android.view.TextureView;
-import android.view.TextureView.SurfaceTextureListener;
-
-import javax.microedition.khronos.egl.EGL10;
-import javax.microedition.khronos.egl.EGLConfig;
-import javax.microedition.khronos.egl.EGLContext;
-import javax.microedition.khronos.egl.EGLDisplay;
-import javax.microedition.khronos.egl.EGLSurface;
-import javax.microedition.khronos.opengles.GL10;
-
-/**
- * A TextureView that supports blocking rendering for synchronous drawing
- */
-public class BlockingGLTextureView extends TextureView
- implements SurfaceTextureListener {
-
- private RenderThread mRenderThread;
-
- public BlockingGLTextureView(Context context) {
- super(context);
- setSurfaceTextureListener(this);
- }
-
- public void setRenderer(Renderer renderer) {
- if (mRenderThread != null) {
- throw new IllegalArgumentException("Renderer already set");
- }
- mRenderThread = new RenderThread(renderer);
- }
-
- public void render() {
- mRenderThread.render();
- }
-
- public void destroy() {
- if (mRenderThread != null) {
- mRenderThread.finish();
- mRenderThread = null;
- }
- }
-
- @Override
- public void onSurfaceTextureAvailable(SurfaceTexture surface, int width,
- int height) {
- mRenderThread.setSurface(surface);
- mRenderThread.setSize(width, height);
- }
-
- @Override
- public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width,
- int height) {
- mRenderThread.setSize(width, height);
- }
-
- @Override
- public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
- if (mRenderThread != null) {
- mRenderThread.setSurface(null);
- }
- return false;
- }
-
- @Override
- public void onSurfaceTextureUpdated(SurfaceTexture surface) {
- }
-
- @Override
- protected void finalize() throws Throwable {
- try {
- destroy();
- } catch (Throwable t) {
- // Ignore
- }
- super.finalize();
- }
-
- /**
- * An EGL helper class.
- */
-
- private static class EglHelper {
- private static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;
- private static final int EGL_OPENGL_ES2_BIT = 4;
-
- EGL10 mEgl;
- EGLDisplay mEglDisplay;
- EGLSurface mEglSurface;
- EGLConfig mEglConfig;
- EGLContext mEglContext;
-
- private EGLConfig chooseEglConfig() {
- int[] configsCount = new int[1];
- EGLConfig[] configs = new EGLConfig[1];
- int[] configSpec = getConfig();
- if (!mEgl.eglChooseConfig(mEglDisplay, configSpec, configs, 1, configsCount)) {
- throw new IllegalArgumentException("eglChooseConfig failed " +
- GLUtils.getEGLErrorString(mEgl.eglGetError()));
- } else if (configsCount[0] > 0) {
- return configs[0];
- }
- return null;
- }
-
- private static int[] getConfig() {
- return new int[] {
- EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
- EGL10.EGL_RED_SIZE, 8,
- EGL10.EGL_GREEN_SIZE, 8,
- EGL10.EGL_BLUE_SIZE, 8,
- EGL10.EGL_ALPHA_SIZE, 8,
- EGL10.EGL_DEPTH_SIZE, 0,
- EGL10.EGL_STENCIL_SIZE, 0,
- EGL10.EGL_NONE
- };
- }
-
- EGLContext createContext(EGL10 egl, EGLDisplay eglDisplay, EGLConfig eglConfig) {
- int[] attribList = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE };
- return egl.eglCreateContext(eglDisplay, eglConfig, EGL10.EGL_NO_CONTEXT, attribList);
- }
-
- /**
- * Initialize EGL for a given configuration spec.
- */
- public void start() {
- /*
- * Get an EGL instance
- */
- mEgl = (EGL10) EGLContext.getEGL();
-
- /*
- * Get to the default display.
- */
- mEglDisplay = mEgl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
-
- if (mEglDisplay == EGL10.EGL_NO_DISPLAY) {
- throw new RuntimeException("eglGetDisplay failed");
- }
-
- /*
- * We can now initialize EGL for that display
- */
- int[] version = new int[2];
- if (!mEgl.eglInitialize(mEglDisplay, version)) {
- throw new RuntimeException("eglInitialize failed");
- }
- mEglConfig = chooseEglConfig();
-
- /*
- * Create an EGL context. We want to do this as rarely as we can, because an
- * EGL context is a somewhat heavy object.
- */
- mEglContext = createContext(mEgl, mEglDisplay, mEglConfig);
-
- if (mEglContext == null || mEglContext == EGL10.EGL_NO_CONTEXT) {
- mEglContext = null;
- throwEglException("createContext");
- }
-
- mEglSurface = null;
- }
-
- /**
- * Create an egl surface for the current SurfaceTexture surface. If a surface
- * already exists, destroy it before creating the new surface.
- *
- * @return true if the surface was created successfully.
- */
- public boolean createSurface(SurfaceTexture surface) {
- /*
- * Check preconditions.
- */
- if (mEgl == null) {
- throw new RuntimeException("egl not initialized");
- }
- if (mEglDisplay == null) {
- throw new RuntimeException("eglDisplay not initialized");
- }
- if (mEglConfig == null) {
- throw new RuntimeException("mEglConfig not initialized");
- }
-
- /*
- * The window size has changed, so we need to create a new
- * surface.
- */
- destroySurfaceImp();
-
- /*
- * Create an EGL surface we can render into.
- */
- if (surface != null) {
- mEglSurface = mEgl.eglCreateWindowSurface(mEglDisplay, mEglConfig, surface, null);
- } else {
- mEglSurface = null;
- }
-
- if (mEglSurface == null || mEglSurface == EGL10.EGL_NO_SURFACE) {
- int error = mEgl.eglGetError();
- if (error == EGL10.EGL_BAD_NATIVE_WINDOW) {
- Log.e("EglHelper", "createWindowSurface returned EGL_BAD_NATIVE_WINDOW.");
- }
- return false;
- }
-
- /*
- * Before we can issue GL commands, we need to make sure
- * the context is current and bound to a surface.
- */
- if (!mEgl.eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
- /*
- * Could not make the context current, probably because the underlying
- * SurfaceView surface has been destroyed.
- */
- logEglErrorAsWarning("EGLHelper", "eglMakeCurrent", mEgl.eglGetError());
- return false;
- }
-
- return true;
- }
-
- /**
- * Create a GL object for the current EGL context.
- */
- public GL10 createGL() {
- return (GL10) mEglContext.getGL();
- }
-
- /**
- * Display the current render surface.
- * @return the EGL error code from eglSwapBuffers.
- */
- public int swap() {
- if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
- return mEgl.eglGetError();
- }
- return EGL10.EGL_SUCCESS;
- }
-
- public void destroySurface() {
- destroySurfaceImp();
- }
-
- private void destroySurfaceImp() {
- if (mEglSurface != null && mEglSurface != EGL10.EGL_NO_SURFACE) {
- mEgl.eglMakeCurrent(mEglDisplay, EGL10.EGL_NO_SURFACE,
- EGL10.EGL_NO_SURFACE,
- EGL10.EGL_NO_CONTEXT);
- mEgl.eglDestroySurface(mEglDisplay, mEglSurface);
- mEglSurface = null;
- }
- }
-
- public void finish() {
- if (mEglContext != null) {
- mEgl.eglDestroyContext(mEglDisplay, mEglContext);
- mEglContext = null;
- }
- if (mEglDisplay != null) {
- mEgl.eglTerminate(mEglDisplay);
- mEglDisplay = null;
- }
- }
-
- private void throwEglException(String function) {
- throwEglException(function, mEgl.eglGetError());
- }
-
- public static void throwEglException(String function, int error) {
- String message = formatEglError(function, error);
- throw new RuntimeException(message);
- }
-
- public static void logEglErrorAsWarning(String tag, String function, int error) {
- Log.w(tag, formatEglError(function, error));
- }
-
- public static String formatEglError(String function, int error) {
- return function + " failed: " + error;
- }
-
- }
-
- private static class RenderThread extends Thread {
- private static final int INVALID = -1;
- private static final int RENDER = 1;
- private static final int CHANGE_SURFACE = 2;
- private static final int RESIZE_SURFACE = 3;
- private static final int FINISH = 4;
-
- private EglHelper mEglHelper = new EglHelper();
-
- private Object mLock = new Object();
- private int mExecMsgId = INVALID;
- private SurfaceTexture mSurface;
- private Renderer mRenderer;
- private int mWidth, mHeight;
-
- private boolean mFinished = false;
- private GL10 mGL;
-
- public RenderThread(Renderer renderer) {
- super("RenderThread");
- mRenderer = renderer;
- start();
- }
-
- private void checkRenderer() {
- if (mRenderer == null) {
- throw new IllegalArgumentException("Renderer is null!");
- }
- }
-
- private void checkSurface() {
- if (mSurface == null) {
- throw new IllegalArgumentException("surface is null!");
- }
- }
-
- public void setSurface(SurfaceTexture surface) {
- // If the surface is null we're being torn down, don't need a
- // renderer then
- if (surface != null) {
- checkRenderer();
- }
- mSurface = surface;
- exec(CHANGE_SURFACE);
- }
-
- public void setSize(int width, int height) {
- checkRenderer();
- checkSurface();
- mWidth = width;
- mHeight = height;
- exec(RESIZE_SURFACE);
- }
-
- public void render() {
- checkRenderer();
- if (mSurface != null) {
- exec(RENDER);
- mSurface.updateTexImage();
- }
- }
-
- public void finish() {
- mSurface = null;
- exec(FINISH);
- try {
- join();
- } catch (InterruptedException e) {
- // Ignore
- }
- }
-
- private void exec(int msgid) {
- synchronized (mLock) {
- if (mExecMsgId != INVALID) {
- throw new IllegalArgumentException(
- "Message already set - multithreaded access?");
- }
- mExecMsgId = msgid;
- mLock.notify();
- try {
- mLock.wait();
- } catch (InterruptedException e) {
- // Ignore
- }
- }
- }
-
- private void handleMessageLocked(int what) {
- switch (what) {
- case CHANGE_SURFACE:
- if (mEglHelper.createSurface(mSurface)) {
- mGL = mEglHelper.createGL();
- mRenderer.onSurfaceCreated(mGL, mEglHelper.mEglConfig);
- }
- break;
- case RESIZE_SURFACE:
- mRenderer.onSurfaceChanged(mGL, mWidth, mHeight);
- break;
- case RENDER:
- mRenderer.onDrawFrame(mGL);
- mEglHelper.swap();
- break;
- case FINISH:
- mEglHelper.destroySurface();
- mEglHelper.finish();
- mFinished = true;
- break;
- }
- }
-
- @Override
- public void run() {
- synchronized (mLock) {
- mEglHelper.start();
- while (!mFinished) {
- while (mExecMsgId == INVALID) {
- try {
- mLock.wait();
- } catch (InterruptedException e) {
- // Ignore
- }
- }
- handleMessageLocked(mExecMsgId);
- mExecMsgId = INVALID;
- mLock.notify();
- }
- mExecMsgId = FINISH;
- }
- }
- }
-}
diff --git a/src/com/android/photos/views/GalleryThumbnailView.java b/src/com/android/photos/views/GalleryThumbnailView.java
deleted file mode 100644
index e5dd6f2ff..000000000
--- a/src/com/android/photos/views/GalleryThumbnailView.java
+++ /dev/null
@@ -1,883 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.photos.views;
-
-import android.content.Context;
-import android.content.res.TypedArray;
-import android.database.DataSetObserver;
-import android.graphics.Canvas;
-import android.support.v4.view.MotionEventCompat;
-import android.support.v4.view.VelocityTrackerCompat;
-import android.support.v4.view.ViewCompat;
-import android.support.v4.widget.EdgeEffectCompat;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.util.SparseArray;
-import android.view.MotionEvent;
-import android.view.VelocityTracker;
-import android.view.View;
-import android.view.ViewConfiguration;
-import android.view.ViewGroup;
-import android.widget.ListAdapter;
-import android.widget.OverScroller;
-
-import java.util.ArrayList;
-
-public class GalleryThumbnailView extends ViewGroup {
-
- public interface GalleryThumbnailAdapter extends ListAdapter {
- /**
- * @param position Position to get the intrinsic aspect ratio for
- * @return width / height
- */
- float getIntrinsicAspectRatio(int position);
- }
-
- private static final String TAG = "GalleryThumbnailView";
- private static final float ASPECT_RATIO = (float) Math.sqrt(1.5f);
- private static final int LAND_UNITS = 2;
- private static final int PORT_UNITS = 3;
-
- private GalleryThumbnailAdapter mAdapter;
-
- private final RecycleBin mRecycler = new RecycleBin();
-
- private final AdapterDataSetObserver mObserver = new AdapterDataSetObserver();
-
- private boolean mDataChanged;
- private int mOldItemCount;
- private int mItemCount;
- private boolean mHasStableIds;
-
- private int mFirstPosition;
-
- private boolean mPopulating;
- private boolean mInLayout;
-
- private int mTouchSlop;
- private int mMaximumVelocity;
- private int mFlingVelocity;
- private float mLastTouchX;
- private float mTouchRemainderX;
- private int mActivePointerId;
-
- private static final int TOUCH_MODE_IDLE = 0;
- private static final int TOUCH_MODE_DRAGGING = 1;
- private static final int TOUCH_MODE_FLINGING = 2;
-
- private int mTouchMode;
- private final VelocityTracker mVelocityTracker = VelocityTracker.obtain();
- private final OverScroller mScroller;
-
- private final EdgeEffectCompat mLeftEdge;
- private final EdgeEffectCompat mRightEdge;
-
- private int mLargeColumnWidth;
- private int mSmallColumnWidth;
- private int mLargeColumnUnitCount = 8;
- private int mSmallColumnUnitCount = 10;
-
- public GalleryThumbnailView(Context context) {
- this(context, null);
- }
-
- public GalleryThumbnailView(Context context, AttributeSet attrs) {
- this(context, attrs, 0);
- }
-
- public GalleryThumbnailView(Context context, AttributeSet attrs, int defStyle) {
- super(context, attrs, defStyle);
-
- final ViewConfiguration vc = ViewConfiguration.get(context);
- mTouchSlop = vc.getScaledTouchSlop();
- mMaximumVelocity = vc.getScaledMaximumFlingVelocity();
- mFlingVelocity = vc.getScaledMinimumFlingVelocity();
- mScroller = new OverScroller(context);
-
- mLeftEdge = new EdgeEffectCompat(context);
- mRightEdge = new EdgeEffectCompat(context);
- setWillNotDraw(false);
- setClipToPadding(false);
- }
-
- @Override
- public void requestLayout() {
- if (!mPopulating) {
- super.requestLayout();
- }
- }
-
- @Override
- protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
- int widthMode = MeasureSpec.getMode(widthMeasureSpec);
- int heightMode = MeasureSpec.getMode(heightMeasureSpec);
- int widthSize = MeasureSpec.getSize(widthMeasureSpec);
- int heightSize = MeasureSpec.getSize(heightMeasureSpec);
-
- if (widthMode != MeasureSpec.EXACTLY) {
- Log.e(TAG, "onMeasure: must have an exact width or match_parent! " +
- "Using fallback spec of EXACTLY " + widthSize);
- }
- if (heightMode != MeasureSpec.EXACTLY) {
- Log.e(TAG, "onMeasure: must have an exact height or match_parent! " +
- "Using fallback spec of EXACTLY " + heightSize);
- }
-
- setMeasuredDimension(widthSize, heightSize);
-
- float portSpaces = mLargeColumnUnitCount / PORT_UNITS;
- float height = getMeasuredHeight() / portSpaces;
- mLargeColumnWidth = (int) (height / ASPECT_RATIO);
- portSpaces++;
- height = getMeasuredHeight() / portSpaces;
- mSmallColumnWidth = (int) (height / ASPECT_RATIO);
- }
-
- @Override
- protected void onLayout(boolean changed, int l, int t, int r, int b) {
- mInLayout = true;
- populate();
- mInLayout = false;
-
- final int width = r - l;
- final int height = b - t;
- mLeftEdge.setSize(width, height);
- mRightEdge.setSize(width, height);
- }
-
- private void populate() {
- if (getWidth() == 0 || getHeight() == 0) {
- return;
- }
-
- // TODO: Handle size changing
-// final int colCount = mColCount;
-// if (mItemTops == null || mItemTops.length != colCount) {
-// mItemTops = new int[colCount];
-// mItemBottoms = new int[colCount];
-// final int top = getPaddingTop();
-// final int offset = top + Math.min(mRestoreOffset, 0);
-// Arrays.fill(mItemTops, offset);
-// Arrays.fill(mItemBottoms, offset);
-// mLayoutRecords.clear();
-// if (mInLayout) {
-// removeAllViewsInLayout();
-// } else {
-// removeAllViews();
-// }
-// mRestoreOffset = 0;
-// }
-
- mPopulating = true;
- layoutChildren(mDataChanged);
- fillRight(mFirstPosition + getChildCount(), 0);
- fillLeft(mFirstPosition - 1, 0);
- mPopulating = false;
- mDataChanged = false;
- }
-
- final void layoutChildren(boolean queryAdapter) {
-// TODO
-// final int childCount = getChildCount();
-// for (int i = 0; i < childCount; i++) {
-// View child = getChildAt(i);
-//
-// if (child.isLayoutRequested()) {
-// final int widthSpec = MeasureSpec.makeMeasureSpec(child.getMeasuredWidth(), MeasureSpec.EXACTLY);
-// final int heightSpec = MeasureSpec.makeMeasureSpec(child.getMeasuredHeight(), MeasureSpec.EXACTLY);
-// child.measure(widthSpec, heightSpec);
-// child.layout(child.getLeft(), child.getTop(), child.getRight(), child.getBottom());
-// }
-//
-// int childTop = mItemBottoms[col] > Integer.MIN_VALUE ?
-// mItemBottoms[col] + mItemMargin : child.getTop();
-// if (span > 1) {
-// int lowest = childTop;
-// for (int j = col + 1; j < col + span; j++) {
-// final int bottom = mItemBottoms[j] + mItemMargin;
-// if (bottom > lowest) {
-// lowest = bottom;
-// }
-// }
-// childTop = lowest;
-// }
-// final int childHeight = child.getMeasuredHeight();
-// final int childBottom = childTop + childHeight;
-// final int childLeft = paddingLeft + col * (colWidth + itemMargin);
-// final int childRight = childLeft + child.getMeasuredWidth();
-// child.layout(childLeft, childTop, childRight, childBottom);
-// }
- }
-
- /**
- * Obtain the view and add it to our list of children. The view can be made
- * fresh, converted from an unused view, or used as is if it was in the
- * recycle bin.
- *
- * @param startPosition Logical position in the list to start from
- * @param x Left or right edge of the view to add
- * @param forward If true, align left edge to x and increase position.
- * If false, align right edge to x and decrease position.
- * @return Number of views added
- */
- private int makeAndAddColumn(int startPosition, int x, boolean forward) {
- int columnWidth = mLargeColumnWidth;
- int addViews = 0;
- for (int remaining = mLargeColumnUnitCount, i = 0;
- remaining > 0 && startPosition + i >= 0 && startPosition + i < mItemCount;
- i += forward ? 1 : -1, addViews++) {
- if (mAdapter.getIntrinsicAspectRatio(startPosition + i) >= 1f) {
- // landscape
- remaining -= LAND_UNITS;
- } else {
- // portrait
- remaining -= PORT_UNITS;
- if (remaining < 0) {
- remaining += (mSmallColumnUnitCount - mLargeColumnUnitCount);
- columnWidth = mSmallColumnWidth;
- }
- }
- }
- int nextTop = 0;
- for (int i = 0; i < addViews; i++) {
- int position = startPosition + (forward ? i : -i);
- View child = obtainView(position, null);
- if (child.getParent() != this) {
- if (mInLayout) {
- addViewInLayout(child, forward ? -1 : 0, child.getLayoutParams());
- } else {
- addView(child, forward ? -1 : 0);
- }
- }
- int heightSize = (int) (.5f + (mAdapter.getIntrinsicAspectRatio(position) >= 1f
- ? columnWidth / ASPECT_RATIO
- : columnWidth * ASPECT_RATIO));
- int heightSpec = MeasureSpec.makeMeasureSpec(heightSize, MeasureSpec.EXACTLY);
- int widthSpec = MeasureSpec.makeMeasureSpec(columnWidth, MeasureSpec.EXACTLY);
- child.measure(widthSpec, heightSpec);
- int childLeft = forward ? x : x - columnWidth;
- child.layout(childLeft, nextTop, childLeft + columnWidth, nextTop + heightSize);
- nextTop += heightSize;
- }
- return addViews;
- }
-
- @Override
- public boolean onInterceptTouchEvent(MotionEvent ev) {
- mVelocityTracker.addMovement(ev);
- final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
- switch (action) {
- case MotionEvent.ACTION_DOWN:
- mVelocityTracker.clear();
- mScroller.abortAnimation();
- mLastTouchX = ev.getX();
- mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
- mTouchRemainderX = 0;
- if (mTouchMode == TOUCH_MODE_FLINGING) {
- // Catch!
- mTouchMode = TOUCH_MODE_DRAGGING;
- return true;
- }
- break;
-
- case MotionEvent.ACTION_MOVE: {
- final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
- if (index < 0) {
- Log.e(TAG, "onInterceptTouchEvent could not find pointer with id " +
- mActivePointerId + " - did StaggeredGridView receive an inconsistent " +
- "event stream?");
- return false;
- }
- final float x = MotionEventCompat.getX(ev, index);
- final float dx = x - mLastTouchX + mTouchRemainderX;
- final int deltaY = (int) dx;
- mTouchRemainderX = dx - deltaY;
-
- if (Math.abs(dx) > mTouchSlop) {
- mTouchMode = TOUCH_MODE_DRAGGING;
- return true;
- }
- }
- }
-
- return false;
- }
-
- @Override
- public boolean onTouchEvent(MotionEvent ev) {
- mVelocityTracker.addMovement(ev);
- final int action = ev.getAction() & MotionEventCompat.ACTION_MASK;
- switch (action) {
- case MotionEvent.ACTION_DOWN:
- mVelocityTracker.clear();
- mScroller.abortAnimation();
- mLastTouchX = ev.getX();
- mActivePointerId = MotionEventCompat.getPointerId(ev, 0);
- mTouchRemainderX = 0;
- break;
-
- case MotionEvent.ACTION_MOVE: {
- final int index = MotionEventCompat.findPointerIndex(ev, mActivePointerId);
- if (index < 0) {
- Log.e(TAG, "onInterceptTouchEvent could not find pointer with id " +
- mActivePointerId + " - did StaggeredGridView receive an inconsistent " +
- "event stream?");
- return false;
- }
- final float x = MotionEventCompat.getX(ev, index);
- final float dx = x - mLastTouchX + mTouchRemainderX;
- final int deltaX = (int) dx;
- mTouchRemainderX = dx - deltaX;
-
- if (Math.abs(dx) > mTouchSlop) {
- mTouchMode = TOUCH_MODE_DRAGGING;
- }
-
- if (mTouchMode == TOUCH_MODE_DRAGGING) {
- mLastTouchX = x;
-
- if (!trackMotionScroll(deltaX, true)) {
- // Break fling velocity if we impacted an edge.
- mVelocityTracker.clear();
- }
- }
- } break;
-
- case MotionEvent.ACTION_CANCEL:
- mTouchMode = TOUCH_MODE_IDLE;
- break;
-
- case MotionEvent.ACTION_UP: {
- mVelocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
- final float velocity = VelocityTrackerCompat.getXVelocity(mVelocityTracker,
- mActivePointerId);
- if (Math.abs(velocity) > mFlingVelocity) { // TODO
- mTouchMode = TOUCH_MODE_FLINGING;
- mScroller.fling(0, 0, (int) velocity, 0,
- Integer.MIN_VALUE, Integer.MAX_VALUE, 0, 0);
- mLastTouchX = 0;
- ViewCompat.postInvalidateOnAnimation(this);
- } else {
- mTouchMode = TOUCH_MODE_IDLE;
- }
-
- } break;
- }
- return true;
- }
-
- /**
- *
- * @param deltaX Pixels that content should move by
- * @return true if the movement completed, false if it was stopped prematurely.
- */
- private boolean trackMotionScroll(int deltaX, boolean allowOverScroll) {
- final boolean contentFits = contentFits();
- final int allowOverhang = Math.abs(deltaX);
-
- final int overScrolledBy;
- final int movedBy;
- if (!contentFits) {
- final int overhang;
- final boolean up;
- mPopulating = true;
- if (deltaX > 0) {
- overhang = fillLeft(mFirstPosition - 1, allowOverhang);
- up = true;
- } else {
- overhang = fillRight(mFirstPosition + getChildCount(), allowOverhang);
- up = false;
- }
- movedBy = Math.min(overhang, allowOverhang);
- offsetChildren(up ? movedBy : -movedBy);
- recycleOffscreenViews();
- mPopulating = false;
- overScrolledBy = allowOverhang - overhang;
- } else {
- overScrolledBy = allowOverhang;
- movedBy = 0;
- }
-
- if (allowOverScroll) {
- final int overScrollMode = ViewCompat.getOverScrollMode(this);
-
- if (overScrollMode == ViewCompat.OVER_SCROLL_ALWAYS ||
- (overScrollMode == ViewCompat.OVER_SCROLL_IF_CONTENT_SCROLLS && !contentFits)) {
-
- if (overScrolledBy > 0) {
- EdgeEffectCompat edge = deltaX > 0 ? mLeftEdge : mRightEdge;
- edge.onPull((float) Math.abs(deltaX) / getWidth());
- ViewCompat.postInvalidateOnAnimation(this);
- }
- }
- }
-
- return deltaX == 0 || movedBy != 0;
- }
-
- /**
- * Important: this method will leave offscreen views attached if they
- * are required to maintain the invariant that child view with index i
- * is always the view corresponding to position mFirstPosition + i.
- */
- private void recycleOffscreenViews() {
- final int height = getHeight();
- final int clearAbove = 0;
- final int clearBelow = height;
- for (int i = getChildCount() - 1; i >= 0; i--) {
- final View child = getChildAt(i);
- if (child.getTop() <= clearBelow) {
- // There may be other offscreen views, but we need to maintain
- // the invariant documented above.
- break;
- }
-
- if (mInLayout) {
- removeViewsInLayout(i, 1);
- } else {
- removeViewAt(i);
- }
-
- mRecycler.addScrap(child);
- }
-
- while (getChildCount() > 0) {
- final View child = getChildAt(0);
- if (child.getBottom() >= clearAbove) {
- // There may be other offscreen views, but we need to maintain
- // the invariant documented above.
- break;
- }
-
- if (mInLayout) {
- removeViewsInLayout(0, 1);
- } else {
- removeViewAt(0);
- }
-
- mRecycler.addScrap(child);
- mFirstPosition++;
- }
- }
-
- final void offsetChildren(int offset) {
- final int childCount = getChildCount();
- for (int i = 0; i < childCount; i++) {
- final View child = getChildAt(i);
- child.layout(child.getLeft() + offset, child.getTop(),
- child.getRight() + offset, child.getBottom());
- }
- }
-
- private boolean contentFits() {
- final int childCount = getChildCount();
- if (childCount == 0) return true;
- if (childCount != mItemCount) return false;
-
- return getChildAt(0).getLeft() >= getPaddingLeft() &&
- getChildAt(childCount - 1).getRight() <= getWidth() - getPaddingRight();
- }
-
- private void recycleAllViews() {
- for (int i = 0; i < getChildCount(); i++) {
- mRecycler.addScrap(getChildAt(i));
- }
-
- if (mInLayout) {
- removeAllViewsInLayout();
- } else {
- removeAllViews();
- }
- }
-
- private int fillRight(int pos, int overhang) {
- int end = (getRight() - getLeft()) + overhang;
-
- int nextLeft = getChildCount() == 0 ? 0 : getChildAt(getChildCount() - 1).getRight();
- while (nextLeft < end && pos < mItemCount) {
- pos += makeAndAddColumn(pos, nextLeft, true);
- nextLeft = getChildAt(getChildCount() - 1).getRight();
- }
- final int gridRight = getWidth() - getPaddingRight();
- return getChildAt(getChildCount() - 1).getRight() - gridRight;
- }
-
- private int fillLeft(int pos, int overhang) {
- int end = getPaddingLeft() - overhang;
-
- int nextRight = getChildAt(0).getLeft();
- while (nextRight > end && pos >= 0) {
- pos -= makeAndAddColumn(pos, nextRight, false);
- nextRight = getChildAt(0).getLeft();
- }
-
- mFirstPosition = pos + 1;
- return getPaddingLeft() - getChildAt(0).getLeft();
- }
-
- @Override
- public void computeScroll() {
- if (mScroller.computeScrollOffset()) {
- final int x = mScroller.getCurrX();
- final int dx = (int) (x - mLastTouchX);
- mLastTouchX = x;
- final boolean stopped = !trackMotionScroll(dx, false);
-
- if (!stopped && !mScroller.isFinished()) {
- ViewCompat.postInvalidateOnAnimation(this);
- } else {
- if (stopped) {
- final int overScrollMode = ViewCompat.getOverScrollMode(this);
- if (overScrollMode != ViewCompat.OVER_SCROLL_NEVER) {
- final EdgeEffectCompat edge;
- if (dx > 0) {
- edge = mLeftEdge;
- } else {
- edge = mRightEdge;
- }
- edge.onAbsorb(Math.abs((int) mScroller.getCurrVelocity()));
- ViewCompat.postInvalidateOnAnimation(this);
- }
- mScroller.abortAnimation();
- }
- mTouchMode = TOUCH_MODE_IDLE;
- }
- }
- }
-
- @Override
- public void draw(Canvas canvas) {
- super.draw(canvas);
-
- if (!mLeftEdge.isFinished()) {
- final int restoreCount = canvas.save();
- final int height = getHeight() - getPaddingTop() - getPaddingBottom();
-
- canvas.rotate(270);
- canvas.translate(-height + getPaddingTop(), 0);
- mLeftEdge.setSize(height, getWidth());
- if (mLeftEdge.draw(canvas)) {
- postInvalidateOnAnimation();
- }
- canvas.restoreToCount(restoreCount);
- }
- if (!mRightEdge.isFinished()) {
- final int restoreCount = canvas.save();
- final int width = getWidth();
- final int height = getHeight() - getPaddingTop() - getPaddingBottom();
-
- canvas.rotate(90);
- canvas.translate(-getPaddingTop(), width);
- mRightEdge.setSize(height, width);
- if (mRightEdge.draw(canvas)) {
- postInvalidateOnAnimation();
- }
- canvas.restoreToCount(restoreCount);
- }
- }
-
- /**
- * Obtain a populated view from the adapter. If optScrap is non-null and is not
- * reused it will be placed in the recycle bin.
- *
- * @param position position to get view for
- * @param optScrap Optional scrap view; will be reused if possible
- * @return A new view, a recycled view from mRecycler, or optScrap
- */
- private final View obtainView(int position, View optScrap) {
- View view = mRecycler.getTransientStateView(position);
- if (view != null) {
- return view;
- }
-
- // Reuse optScrap if it's of the right type (and not null)
- final int optType = optScrap != null ?
- ((LayoutParams) optScrap.getLayoutParams()).viewType : -1;
- final int positionViewType = mAdapter.getItemViewType(position);
- final View scrap = optType == positionViewType ?
- optScrap : mRecycler.getScrapView(positionViewType);
-
- view = mAdapter.getView(position, scrap, this);
-
- if (view != scrap && scrap != null) {
- // The adapter didn't use it; put it back.
- mRecycler.addScrap(scrap);
- }
-
- ViewGroup.LayoutParams lp = view.getLayoutParams();
-
- if (view.getParent() != this) {
- if (lp == null) {
- lp = generateDefaultLayoutParams();
- } else if (!checkLayoutParams(lp)) {
- lp = generateLayoutParams(lp);
- }
- view.setLayoutParams(lp);
- }
-
- final LayoutParams sglp = (LayoutParams) lp;
- sglp.position = position;
- sglp.viewType = positionViewType;
-
- return view;
- }
-
- public GalleryThumbnailAdapter getAdapter() {
- return mAdapter;
- }
-
- public void setAdapter(GalleryThumbnailAdapter adapter) {
- if (mAdapter != null) {
- mAdapter.unregisterDataSetObserver(mObserver);
- }
- // TODO: If the new adapter says that there are stable IDs, remove certain layout records
- // and onscreen views if they have changed instead of removing all of the state here.
- clearAllState();
- mAdapter = adapter;
- mDataChanged = true;
- mOldItemCount = mItemCount = adapter != null ? adapter.getCount() : 0;
- if (adapter != null) {
- adapter.registerDataSetObserver(mObserver);
- mRecycler.setViewTypeCount(adapter.getViewTypeCount());
- mHasStableIds = adapter.hasStableIds();
- } else {
- mHasStableIds = false;
- }
- populate();
- }
-
- /**
- * Clear all state because the grid will be used for a completely different set of data.
- */
- private void clearAllState() {
- // Clear all layout records and views
- removeAllViews();
-
- // Reset to the top of the grid
- mFirstPosition = 0;
-
- // Clear recycler because there could be different view types now
- mRecycler.clear();
- }
-
- @Override
- protected LayoutParams generateDefaultLayoutParams() {
- return new LayoutParams(LayoutParams.WRAP_CONTENT);
- }
-
- @Override
- protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams lp) {
- return new LayoutParams(lp);
- }
-
- @Override
- protected boolean checkLayoutParams(ViewGroup.LayoutParams lp) {
- return lp instanceof LayoutParams;
- }
-
- @Override
- public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) {
- return new LayoutParams(getContext(), attrs);
- }
-
- public static class LayoutParams extends ViewGroup.LayoutParams {
- private static final int[] LAYOUT_ATTRS = new int[] {
- android.R.attr.layout_span
- };
-
- private static final int SPAN_INDEX = 0;
-
- /**
- * The number of columns this item should span
- */
- public int span = 1;
-
- /**
- * Item position this view represents
- */
- int position;
-
- /**
- * Type of this view as reported by the adapter
- */
- int viewType;
-
- /**
- * The column this view is occupying
- */
- int column;
-
- /**
- * The stable ID of the item this view displays
- */
- long id = -1;
-
- public LayoutParams(int height) {
- super(MATCH_PARENT, height);
-
- if (this.height == MATCH_PARENT) {
- Log.w(TAG, "Constructing LayoutParams with height MATCH_PARENT - " +
- "impossible! Falling back to WRAP_CONTENT");
- this.height = WRAP_CONTENT;
- }
- }
-
- public LayoutParams(Context c, AttributeSet attrs) {
- super(c, attrs);
-
- if (this.width != MATCH_PARENT) {
- Log.w(TAG, "Inflation setting LayoutParams width to " + this.width +
- " - must be MATCH_PARENT");
- this.width = MATCH_PARENT;
- }
- if (this.height == MATCH_PARENT) {
- Log.w(TAG, "Inflation setting LayoutParams height to MATCH_PARENT - " +
- "impossible! Falling back to WRAP_CONTENT");
- this.height = WRAP_CONTENT;
- }
-
- TypedArray a = c.obtainStyledAttributes(attrs, LAYOUT_ATTRS);
- span = a.getInteger(SPAN_INDEX, 1);
- a.recycle();
- }
-
- public LayoutParams(ViewGroup.LayoutParams other) {
- super(other);
-
- if (this.width != MATCH_PARENT) {
- Log.w(TAG, "Constructing LayoutParams with width " + this.width +
- " - must be MATCH_PARENT");
- this.width = MATCH_PARENT;
- }
- if (this.height == MATCH_PARENT) {
- Log.w(TAG, "Constructing LayoutParams with height MATCH_PARENT - " +
- "impossible! Falling back to WRAP_CONTENT");
- this.height = WRAP_CONTENT;
- }
- }
- }
-
- private class RecycleBin {
- private ArrayList<View>[] mScrapViews;
- private int mViewTypeCount;
- private int mMaxScrap;
-
- private SparseArray<View> mTransientStateViews;
-
- public void setViewTypeCount(int viewTypeCount) {
- if (viewTypeCount < 1) {
- throw new IllegalArgumentException("Must have at least one view type (" +
- viewTypeCount + " types reported)");
- }
- if (viewTypeCount == mViewTypeCount) {
- return;
- }
-
- ArrayList<View>[] scrapViews = new ArrayList[viewTypeCount];
- for (int i = 0; i < viewTypeCount; i++) {
- scrapViews[i] = new ArrayList<View>();
- }
- mViewTypeCount = viewTypeCount;
- mScrapViews = scrapViews;
- }
-
- public void clear() {
- final int typeCount = mViewTypeCount;
- for (int i = 0; i < typeCount; i++) {
- mScrapViews[i].clear();
- }
- if (mTransientStateViews != null) {
- mTransientStateViews.clear();
- }
- }
-
- public void clearTransientViews() {
- if (mTransientStateViews != null) {
- mTransientStateViews.clear();
- }
- }
-
- public void addScrap(View v) {
- final LayoutParams lp = (LayoutParams) v.getLayoutParams();
- if (ViewCompat.hasTransientState(v)) {
- if (mTransientStateViews == null) {
- mTransientStateViews = new SparseArray<View>();
- }
- mTransientStateViews.put(lp.position, v);
- return;
- }
-
- final int childCount = getChildCount();
- if (childCount > mMaxScrap) {
- mMaxScrap = childCount;
- }
-
- ArrayList<View> scrap = mScrapViews[lp.viewType];
- if (scrap.size() < mMaxScrap) {
- scrap.add(v);
- }
- }
-
- public View getTransientStateView(int position) {
- if (mTransientStateViews == null) {
- return null;
- }
-
- final View result = mTransientStateViews.get(position);
- if (result != null) {
- mTransientStateViews.remove(position);
- }
- return result;
- }
-
- public View getScrapView(int type) {
- ArrayList<View> scrap = mScrapViews[type];
- if (scrap.isEmpty()) {
- return null;
- }
-
- final int index = scrap.size() - 1;
- final View result = scrap.get(index);
- scrap.remove(index);
- return result;
- }
- }
-
- private class AdapterDataSetObserver extends DataSetObserver {
- @Override
- public void onChanged() {
- mDataChanged = true;
- mOldItemCount = mItemCount;
- mItemCount = mAdapter.getCount();
-
- // TODO: Consider matching these back up if we have stable IDs.
- mRecycler.clearTransientViews();
-
- if (!mHasStableIds) {
- recycleAllViews();
- }
-
- // TODO: consider repopulating in a deferred runnable instead
- // (so that successive changes may still be batched)
- requestLayout();
- }
-
- @Override
- public void onInvalidated() {
- }
- }
-}
diff --git a/src/com/android/photos/views/HeaderGridView.java b/src/com/android/photos/views/HeaderGridView.java
deleted file mode 100644
index 45a5eaf73..000000000
--- a/src/com/android/photos/views/HeaderGridView.java
+++ /dev/null
@@ -1,466 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.photos.views;
-
-import android.content.Context;
-import android.database.DataSetObservable;
-import android.database.DataSetObserver;
-import android.util.AttributeSet;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.Filter;
-import android.widget.Filterable;
-import android.widget.FrameLayout;
-import android.widget.GridView;
-import android.widget.ListAdapter;
-import android.widget.WrapperListAdapter;
-
-import java.util.ArrayList;
-
-/**
- * A {@link GridView} that supports adding header rows in a
- * very similar way to {@link ListView}.
- * See {@link HeaderGridView#addHeaderView(View, Object, boolean)}
- */
-public class HeaderGridView extends GridView {
- private static final String TAG = "HeaderGridView";
-
- /**
- * A class that represents a fixed view in a list, for example a header at the top
- * or a footer at the bottom.
- */
- private static class FixedViewInfo {
- /** The view to add to the grid */
- public View view;
- public ViewGroup viewContainer;
- /** The data backing the view. This is returned from {@link ListAdapter#getItem(int)}. */
- public Object data;
- /** <code>true</code> if the fixed view should be selectable in the grid */
- public boolean isSelectable;
- }
-
- private ArrayList<FixedViewInfo> mHeaderViewInfos = new ArrayList<FixedViewInfo>();
-
- private void initHeaderGridView() {
- super.setClipChildren(false);
- }
-
- public HeaderGridView(Context context) {
- super(context);
- initHeaderGridView();
- }
-
- public HeaderGridView(Context context, AttributeSet attrs) {
- super(context, attrs);
- initHeaderGridView();
- }
-
- public HeaderGridView(Context context, AttributeSet attrs, int defStyle) {
- super(context, attrs, defStyle);
- initHeaderGridView();
- }
-
- @Override
- protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
- super.onMeasure(widthMeasureSpec, heightMeasureSpec);
- ListAdapter adapter = getAdapter();
- if (adapter != null && adapter instanceof HeaderViewGridAdapter) {
- ((HeaderViewGridAdapter) adapter).setNumColumns(getNumColumns());
- }
- }
-
- @Override
- public void setClipChildren(boolean clipChildren) {
- // Ignore, since the header rows depend on not being clipped
- }
-
- /**
- * Add a fixed view to appear at the top of the grid. If addHeaderView is
- * called more than once, the views will appear in the order they were
- * added. Views added using this call can take focus if they want.
- * <p>
- * NOTE: Call this before calling setAdapter. This is so HeaderGridView can wrap
- * the supplied cursor with one that will also account for header views.
- *
- * @param v The view to add.
- * @param data Data to associate with this view
- * @param isSelectable whether the item is selectable
- */
- public void addHeaderView(View v, Object data, boolean isSelectable) {
- ListAdapter adapter = getAdapter();
-
- if (adapter != null && ! (adapter instanceof HeaderViewGridAdapter)) {
- throw new IllegalStateException(
- "Cannot add header view to grid -- setAdapter has already been called.");
- }
-
- FixedViewInfo info = new FixedViewInfo();
- FrameLayout fl = new FullWidthFixedViewLayout(getContext());
- fl.addView(v);
- info.view = v;
- info.viewContainer = fl;
- info.data = data;
- info.isSelectable = isSelectable;
- mHeaderViewInfos.add(info);
-
- // in the case of re-adding a header view, or adding one later on,
- // we need to notify the observer
- if (adapter != null) {
- ((HeaderViewGridAdapter) adapter).notifyDataSetChanged();
- }
- }
-
- /**
- * Add a fixed view to appear at the top of the grid. If addHeaderView is
- * called more than once, the views will appear in the order they were
- * added. Views added using this call can take focus if they want.
- * <p>
- * NOTE: Call this before calling setAdapter. This is so HeaderGridView can wrap
- * the supplied cursor with one that will also account for header views.
- *
- * @param v The view to add.
- */
- public void addHeaderView(View v) {
- addHeaderView(v, null, true);
- }
-
- public int getHeaderViewCount() {
- return mHeaderViewInfos.size();
- }
-
- /**
- * Removes a previously-added header view.
- *
- * @param v The view to remove
- * @return true if the view was removed, false if the view was not a header
- * view
- */
- public boolean removeHeaderView(View v) {
- if (mHeaderViewInfos.size() > 0) {
- boolean result = false;
- ListAdapter adapter = getAdapter();
- if (adapter != null && ((HeaderViewGridAdapter) adapter).removeHeader(v)) {
- result = true;
- }
- removeFixedViewInfo(v, mHeaderViewInfos);
- return result;
- }
- return false;
- }
-
- private void removeFixedViewInfo(View v, ArrayList<FixedViewInfo> where) {
- int len = where.size();
- for (int i = 0; i < len; ++i) {
- FixedViewInfo info = where.get(i);
- if (info.view == v) {
- where.remove(i);
- break;
- }
- }
- }
-
- @Override
- public void setAdapter(ListAdapter adapter) {
- if (mHeaderViewInfos.size() > 0) {
- HeaderViewGridAdapter hadapter = new HeaderViewGridAdapter(mHeaderViewInfos, adapter);
- int numColumns = getNumColumns();
- if (numColumns > 1) {
- hadapter.setNumColumns(numColumns);
- }
- super.setAdapter(hadapter);
- } else {
- super.setAdapter(adapter);
- }
- }
-
- private class FullWidthFixedViewLayout extends FrameLayout {
- public FullWidthFixedViewLayout(Context context) {
- super(context);
- }
-
- @Override
- protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
- int targetWidth = HeaderGridView.this.getMeasuredWidth()
- - HeaderGridView.this.getPaddingLeft()
- - HeaderGridView.this.getPaddingRight();
- widthMeasureSpec = MeasureSpec.makeMeasureSpec(targetWidth,
- MeasureSpec.getMode(widthMeasureSpec));
- super.onMeasure(widthMeasureSpec, heightMeasureSpec);
- }
- }
-
- /**
- * ListAdapter used when a HeaderGridView has header views. This ListAdapter
- * wraps another one and also keeps track of the header views and their
- * associated data objects.
- *<p>This is intended as a base class; you will probably not need to
- * use this class directly in your own code.
- */
- private static class HeaderViewGridAdapter implements WrapperListAdapter, Filterable {
-
- // This is used to notify the container of updates relating to number of columns
- // or headers changing, which changes the number of placeholders needed
- private final DataSetObservable mDataSetObservable = new DataSetObservable();
-
- private final ListAdapter mAdapter;
- private int mNumColumns = 1;
-
- // This ArrayList is assumed to NOT be null.
- ArrayList<FixedViewInfo> mHeaderViewInfos;
-
- boolean mAreAllFixedViewsSelectable;
-
- private final boolean mIsFilterable;
-
- public HeaderViewGridAdapter(ArrayList<FixedViewInfo> headerViewInfos, ListAdapter adapter) {
- mAdapter = adapter;
- mIsFilterable = adapter instanceof Filterable;
-
- if (headerViewInfos == null) {
- throw new IllegalArgumentException("headerViewInfos cannot be null");
- }
- mHeaderViewInfos = headerViewInfos;
-
- mAreAllFixedViewsSelectable = areAllListInfosSelectable(mHeaderViewInfos);
- }
-
- public int getHeadersCount() {
- return mHeaderViewInfos.size();
- }
-
- @Override
- public boolean isEmpty() {
- return (mAdapter == null || mAdapter.isEmpty()) && getHeadersCount() == 0;
- }
-
- public void setNumColumns(int numColumns) {
- if (numColumns < 1) {
- throw new IllegalArgumentException("Number of columns must be 1 or more");
- }
- if (mNumColumns != numColumns) {
- mNumColumns = numColumns;
- notifyDataSetChanged();
- }
- }
-
- private boolean areAllListInfosSelectable(ArrayList<FixedViewInfo> infos) {
- if (infos != null) {
- for (FixedViewInfo info : infos) {
- if (!info.isSelectable) {
- return false;
- }
- }
- }
- return true;
- }
-
- public boolean removeHeader(View v) {
- for (int i = 0; i < mHeaderViewInfos.size(); i++) {
- FixedViewInfo info = mHeaderViewInfos.get(i);
- if (info.view == v) {
- mHeaderViewInfos.remove(i);
-
- mAreAllFixedViewsSelectable = areAllListInfosSelectable(mHeaderViewInfos);
-
- mDataSetObservable.notifyChanged();
- return true;
- }
- }
-
- return false;
- }
-
- @Override
- public int getCount() {
- if (mAdapter != null) {
- return getHeadersCount() * mNumColumns + mAdapter.getCount();
- } else {
- return getHeadersCount() * mNumColumns;
- }
- }
-
- @Override
- public boolean areAllItemsEnabled() {
- if (mAdapter != null) {
- return mAreAllFixedViewsSelectable && mAdapter.areAllItemsEnabled();
- } else {
- return true;
- }
- }
-
- @Override
- public boolean isEnabled(int position) {
- // Header (negative positions will throw an ArrayIndexOutOfBoundsException)
- int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns;
- if (position < numHeadersAndPlaceholders) {
- return (position % mNumColumns == 0)
- && mHeaderViewInfos.get(position / mNumColumns).isSelectable;
- }
-
- // Adapter
- final int adjPosition = position - numHeadersAndPlaceholders;
- int adapterCount = 0;
- if (mAdapter != null) {
- adapterCount = mAdapter.getCount();
- if (adjPosition < adapterCount) {
- return mAdapter.isEnabled(adjPosition);
- }
- }
-
- throw new ArrayIndexOutOfBoundsException(position);
- }
-
- @Override
- public Object getItem(int position) {
- // Header (negative positions will throw an ArrayIndexOutOfBoundsException)
- int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns;
- if (position < numHeadersAndPlaceholders) {
- if (position % mNumColumns == 0) {
- return mHeaderViewInfos.get(position / mNumColumns).data;
- }
- return null;
- }
-
- // Adapter
- final int adjPosition = position - numHeadersAndPlaceholders;
- int adapterCount = 0;
- if (mAdapter != null) {
- adapterCount = mAdapter.getCount();
- if (adjPosition < adapterCount) {
- return mAdapter.getItem(adjPosition);
- }
- }
-
- throw new ArrayIndexOutOfBoundsException(position);
- }
-
- @Override
- public long getItemId(int position) {
- int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns;
- if (mAdapter != null && position >= numHeadersAndPlaceholders) {
- int adjPosition = position - numHeadersAndPlaceholders;
- int adapterCount = mAdapter.getCount();
- if (adjPosition < adapterCount) {
- return mAdapter.getItemId(adjPosition);
- }
- }
- return -1;
- }
-
- @Override
- public boolean hasStableIds() {
- if (mAdapter != null) {
- return mAdapter.hasStableIds();
- }
- return false;
- }
-
- @Override
- public View getView(int position, View convertView, ViewGroup parent) {
- // Header (negative positions will throw an ArrayIndexOutOfBoundsException)
- int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns ;
- if (position < numHeadersAndPlaceholders) {
- View headerViewContainer = mHeaderViewInfos
- .get(position / mNumColumns).viewContainer;
- if (position % mNumColumns == 0) {
- return headerViewContainer;
- } else {
- if (convertView == null) {
- convertView = new View(parent.getContext());
- }
- // We need to do this because GridView uses the height of the last item
- // in a row to determine the height for the entire row.
- convertView.setVisibility(View.INVISIBLE);
- convertView.setMinimumHeight(headerViewContainer.getHeight());
- return convertView;
- }
- }
-
- // Adapter
- final int adjPosition = position - numHeadersAndPlaceholders;
- int adapterCount = 0;
- if (mAdapter != null) {
- adapterCount = mAdapter.getCount();
- if (adjPosition < adapterCount) {
- return mAdapter.getView(adjPosition, convertView, parent);
- }
- }
-
- throw new ArrayIndexOutOfBoundsException(position);
- }
-
- @Override
- public int getItemViewType(int position) {
- int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns;
- if (position < numHeadersAndPlaceholders && (position % mNumColumns != 0)) {
- // Placeholders get the last view type number
- return mAdapter != null ? mAdapter.getViewTypeCount() : 1;
- }
- if (mAdapter != null && position >= numHeadersAndPlaceholders) {
- int adjPosition = position - numHeadersAndPlaceholders;
- int adapterCount = mAdapter.getCount();
- if (adjPosition < adapterCount) {
- return mAdapter.getItemViewType(adjPosition);
- }
- }
-
- return AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER;
- }
-
- @Override
- public int getViewTypeCount() {
- if (mAdapter != null) {
- return mAdapter.getViewTypeCount() + 1;
- }
- return 2;
- }
-
- @Override
- public void registerDataSetObserver(DataSetObserver observer) {
- mDataSetObservable.registerObserver(observer);
- if (mAdapter != null) {
- mAdapter.registerDataSetObserver(observer);
- }
- }
-
- @Override
- public void unregisterDataSetObserver(DataSetObserver observer) {
- mDataSetObservable.unregisterObserver(observer);
- if (mAdapter != null) {
- mAdapter.unregisterDataSetObserver(observer);
- }
- }
-
- @Override
- public Filter getFilter() {
- if (mIsFilterable) {
- return ((Filterable) mAdapter).getFilter();
- }
- return null;
- }
-
- @Override
- public ListAdapter getWrappedAdapter() {
- return mAdapter;
- }
-
- public void notifyDataSetChanged() {
- mDataSetObservable.notifyChanged();
- }
- }
-}
diff --git a/src/com/android/photos/views/SquareImageView.java b/src/com/android/photos/views/SquareImageView.java
deleted file mode 100644
index 14eff1077..000000000
--- a/src/com/android/photos/views/SquareImageView.java
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.photos.views;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.widget.ImageView;
-
-
-public class SquareImageView extends ImageView {
-
- public SquareImageView(Context context) {
- super(context);
- }
-
- public SquareImageView(Context context, AttributeSet attrs) {
- super(context, attrs);
- }
-
- public SquareImageView(Context context, AttributeSet attrs, int defStyle) {
- super(context, attrs, defStyle);
- }
-
- @Override
- protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
- int widthMode = MeasureSpec.getMode(widthMeasureSpec);
- int heightMode = MeasureSpec.getMode(heightMeasureSpec);
- if (widthMode == MeasureSpec.EXACTLY && heightMode != MeasureSpec.EXACTLY) {
- int width = MeasureSpec.getSize(widthMeasureSpec);
- int height = width;
- if (heightMode == MeasureSpec.AT_MOST) {
- height = Math.min(height, MeasureSpec.getSize(heightMeasureSpec));
- }
- setMeasuredDimension(width, height);
- } else {
- super.onMeasure(widthMeasureSpec, heightMeasureSpec);
- }
- }
-}
diff --git a/src/com/android/photos/views/TiledImageRenderer.java b/src/com/android/photos/views/TiledImageRenderer.java
deleted file mode 100644
index c4e493b34..000000000
--- a/src/com/android/photos/views/TiledImageRenderer.java
+++ /dev/null
@@ -1,825 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.photos.views;
-
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.Rect;
-import android.graphics.RectF;
-import android.support.v4.util.LongSparseArray;
-import android.util.DisplayMetrics;
-import android.util.Log;
-import android.util.Pools.Pool;
-import android.util.Pools.SynchronizedPool;
-import android.view.View;
-import android.view.WindowManager;
-
-import com.android.gallery3d.common.Utils;
-import com.android.gallery3d.glrenderer.BasicTexture;
-import com.android.gallery3d.glrenderer.GLCanvas;
-import com.android.gallery3d.glrenderer.UploadedTexture;
-
-/**
- * Handles laying out, decoding, and drawing of tiles in GL
- */
-public class TiledImageRenderer {
- public static final int SIZE_UNKNOWN = -1;
-
- private static final String TAG = "TiledImageRenderer";
- private static final int UPLOAD_LIMIT = 1;
-
- /*
- * This is the tile state in the CPU side.
- * Life of a Tile:
- * ACTIVATED (initial state)
- * --> IN_QUEUE - by queueForDecode()
- * --> RECYCLED - by recycleTile()
- * IN_QUEUE --> DECODING - by decodeTile()
- * --> RECYCLED - by recycleTile)
- * DECODING --> RECYCLING - by recycleTile()
- * --> DECODED - by decodeTile()
- * --> DECODE_FAIL - by decodeTile()
- * RECYCLING --> RECYCLED - by decodeTile()
- * DECODED --> ACTIVATED - (after the decoded bitmap is uploaded)
- * DECODED --> RECYCLED - by recycleTile()
- * DECODE_FAIL -> RECYCLED - by recycleTile()
- * RECYCLED --> ACTIVATED - by obtainTile()
- */
- private static final int STATE_ACTIVATED = 0x01;
- private static final int STATE_IN_QUEUE = 0x02;
- private static final int STATE_DECODING = 0x04;
- private static final int STATE_DECODED = 0x08;
- private static final int STATE_DECODE_FAIL = 0x10;
- private static final int STATE_RECYCLING = 0x20;
- private static final int STATE_RECYCLED = 0x40;
-
- private static Pool<Bitmap> sTilePool = new SynchronizedPool<Bitmap>(64);
-
- // TILE_SIZE must be 2^N
- private int mTileSize;
-
- private TileSource mModel;
- private BasicTexture mPreview;
- protected int mLevelCount; // cache the value of mScaledBitmaps.length
-
- // The mLevel variable indicates which level of bitmap we should use.
- // Level 0 means the original full-sized bitmap, and a larger value means
- // a smaller scaled bitmap (The width and height of each scaled bitmap is
- // half size of the previous one). If the value is in [0, mLevelCount), we
- // use the bitmap in mScaledBitmaps[mLevel] for display, otherwise the value
- // is mLevelCount
- private int mLevel = 0;
-
- private int mOffsetX;
- private int mOffsetY;
-
- private int mUploadQuota;
- private boolean mRenderComplete;
-
- private final RectF mSourceRect = new RectF();
- private final RectF mTargetRect = new RectF();
-
- private final LongSparseArray<Tile> mActiveTiles = new LongSparseArray<Tile>();
-
- // The following three queue are guarded by mQueueLock
- private final Object mQueueLock = new Object();
- private final TileQueue mRecycledQueue = new TileQueue();
- private final TileQueue mUploadQueue = new TileQueue();
- private final TileQueue mDecodeQueue = new TileQueue();
-
- // The width and height of the full-sized bitmap
- protected int mImageWidth = SIZE_UNKNOWN;
- protected int mImageHeight = SIZE_UNKNOWN;
-
- protected int mCenterX;
- protected int mCenterY;
- protected float mScale;
- protected int mRotation;
-
- private boolean mLayoutTiles;
-
- // Temp variables to avoid memory allocation
- private final Rect mTileRange = new Rect();
- private final Rect mActiveRange[] = {new Rect(), new Rect()};
-
- private TileDecoder mTileDecoder;
- private boolean mBackgroundTileUploaded;
-
- private int mViewWidth, mViewHeight;
- private View mParent;
-
- /**
- * Interface for providing tiles to a {@link TiledImageRenderer}
- */
- public static interface TileSource {
-
- /**
- * If the source does not care about the tile size, it should use
- * {@link TiledImageRenderer#suggestedTileSize(Context)}
- */
- public int getTileSize();
- public int getImageWidth();
- public int getImageHeight();
- public int getRotation();
-
- /**
- * Return a Preview image if available. This will be used as the base layer
- * if higher res tiles are not yet available
- */
- public BasicTexture getPreview();
-
- /**
- * The tile returned by this method can be specified this way: Assuming
- * the image size is (width, height), first take the intersection of (0,
- * 0) - (width, height) and (x, y) - (x + tileSize, y + tileSize). If
- * in extending the region, we found some part of the region is outside
- * the image, those pixels are filled with black.
- *
- * If level > 0, it does the same operation on a down-scaled version of
- * the original image (down-scaled by a factor of 2^level), but (x, y)
- * still refers to the coordinate on the original image.
- *
- * The method would be called by the decoder thread.
- */
- public Bitmap getTile(int level, int x, int y, Bitmap reuse);
- }
-
- public static int suggestedTileSize(Context context) {
- return isHighResolution(context) ? 512 : 256;
- }
-
- private static boolean isHighResolution(Context context) {
- DisplayMetrics metrics = new DisplayMetrics();
- WindowManager wm = (WindowManager)
- context.getSystemService(Context.WINDOW_SERVICE);
- wm.getDefaultDisplay().getMetrics(metrics);
- return metrics.heightPixels > 2048 || metrics.widthPixels > 2048;
- }
-
- public TiledImageRenderer(View parent) {
- mParent = parent;
- mTileDecoder = new TileDecoder();
- mTileDecoder.start();
- }
-
- public int getViewWidth() {
- return mViewWidth;
- }
-
- public int getViewHeight() {
- return mViewHeight;
- }
-
- private void invalidate() {
- mParent.postInvalidate();
- }
-
- public void setModel(TileSource model, int rotation) {
- if (mModel != model) {
- mModel = model;
- notifyModelInvalidated();
- }
- if (mRotation != rotation) {
- mRotation = rotation;
- mLayoutTiles = true;
- }
- }
-
- private void calculateLevelCount() {
- if (mPreview != null) {
- mLevelCount = Math.max(0, Utils.ceilLog2(
- mImageWidth / (float) mPreview.getWidth()));
- } else {
- int levels = 1;
- int maxDim = Math.max(mImageWidth, mImageHeight);
- int t = mTileSize;
- while (t < maxDim) {
- t <<= 1;
- levels++;
- }
- mLevelCount = levels;
- }
- }
-
- public void notifyModelInvalidated() {
- invalidateTiles();
- if (mModel == null) {
- mImageWidth = 0;
- mImageHeight = 0;
- mLevelCount = 0;
- mPreview = null;
- } else {
- mImageWidth = mModel.getImageWidth();
- mImageHeight = mModel.getImageHeight();
- mPreview = mModel.getPreview();
- mTileSize = mModel.getTileSize();
- calculateLevelCount();
- }
- mLayoutTiles = true;
- }
-
- public void setViewSize(int width, int height) {
- mViewWidth = width;
- mViewHeight = height;
- }
-
- public void setPosition(int centerX, int centerY, float scale) {
- if (mCenterX == centerX && mCenterY == centerY
- && mScale == scale) {
- return;
- }
- mCenterX = centerX;
- mCenterY = centerY;
- mScale = scale;
- mLayoutTiles = true;
- }
-
- // Prepare the tiles we want to use for display.
- //
- // 1. Decide the tile level we want to use for display.
- // 2. Decide the tile levels we want to keep as texture (in addition to
- // the one we use for display).
- // 3. Recycle unused tiles.
- // 4. Activate the tiles we want.
- private void layoutTiles() {
- if (mViewWidth == 0 || mViewHeight == 0 || !mLayoutTiles) {
- return;
- }
- mLayoutTiles = false;
-
- // The tile levels we want to keep as texture is in the range
- // [fromLevel, endLevel).
- int fromLevel;
- int endLevel;
-
- // We want to use a texture larger than or equal to the display size.
- mLevel = Utils.clamp(Utils.floorLog2(1f / mScale), 0, mLevelCount);
-
- // We want to keep one more tile level as texture in addition to what
- // we use for display. So it can be faster when the scale moves to the
- // next level. We choose the level closest to the current scale.
- if (mLevel != mLevelCount) {
- Rect range = mTileRange;
- getRange(range, mCenterX, mCenterY, mLevel, mScale, mRotation);
- mOffsetX = Math.round(mViewWidth / 2f + (range.left - mCenterX) * mScale);
- mOffsetY = Math.round(mViewHeight / 2f + (range.top - mCenterY) * mScale);
- fromLevel = mScale * (1 << mLevel) > 0.75f ? mLevel - 1 : mLevel;
- } else {
- // Activate the tiles of the smallest two levels.
- fromLevel = mLevel - 2;
- mOffsetX = Math.round(mViewWidth / 2f - mCenterX * mScale);
- mOffsetY = Math.round(mViewHeight / 2f - mCenterY * mScale);
- }
-
- fromLevel = Math.max(0, Math.min(fromLevel, mLevelCount - 2));
- endLevel = Math.min(fromLevel + 2, mLevelCount);
-
- Rect range[] = mActiveRange;
- for (int i = fromLevel; i < endLevel; ++i) {
- getRange(range[i - fromLevel], mCenterX, mCenterY, i, mRotation);
- }
-
- // If rotation is transient, don't update the tile.
- if (mRotation % 90 != 0) {
- return;
- }
-
- synchronized (mQueueLock) {
- mDecodeQueue.clean();
- mUploadQueue.clean();
- mBackgroundTileUploaded = false;
-
- // Recycle unused tiles: if the level of the active tile is outside the
- // range [fromLevel, endLevel) or not in the visible range.
- int n = mActiveTiles.size();
- for (int i = 0; i < n; i++) {
- Tile tile = mActiveTiles.valueAt(i);
- int level = tile.mTileLevel;
- if (level < fromLevel || level >= endLevel
- || !range[level - fromLevel].contains(tile.mX, tile.mY)) {
- mActiveTiles.removeAt(i);
- i--;
- n--;
- recycleTile(tile);
- }
- }
- }
-
- for (int i = fromLevel; i < endLevel; ++i) {
- int size = mTileSize << i;
- Rect r = range[i - fromLevel];
- for (int y = r.top, bottom = r.bottom; y < bottom; y += size) {
- for (int x = r.left, right = r.right; x < right; x += size) {
- activateTile(x, y, i);
- }
- }
- }
- invalidate();
- }
-
- private void invalidateTiles() {
- synchronized (mQueueLock) {
- mDecodeQueue.clean();
- mUploadQueue.clean();
-
- // TODO(xx): disable decoder
- int n = mActiveTiles.size();
- for (int i = 0; i < n; i++) {
- Tile tile = mActiveTiles.valueAt(i);
- recycleTile(tile);
- }
- mActiveTiles.clear();
- }
- }
-
- private void getRange(Rect out, int cX, int cY, int level, int rotation) {
- getRange(out, cX, cY, level, 1f / (1 << (level + 1)), rotation);
- }
-
- // If the bitmap is scaled by the given factor "scale", return the
- // rectangle containing visible range. The left-top coordinate returned is
- // aligned to the tile boundary.
- //
- // (cX, cY) is the point on the original bitmap which will be put in the
- // center of the ImageViewer.
- private void getRange(Rect out,
- int cX, int cY, int level, float scale, int rotation) {
-
- double radians = Math.toRadians(-rotation);
- double w = mViewWidth;
- double h = mViewHeight;
-
- double cos = Math.cos(radians);
- double sin = Math.sin(radians);
- int width = (int) Math.ceil(Math.max(
- Math.abs(cos * w - sin * h), Math.abs(cos * w + sin * h)));
- int height = (int) Math.ceil(Math.max(
- Math.abs(sin * w + cos * h), Math.abs(sin * w - cos * h)));
-
- int left = (int) Math.floor(cX - width / (2f * scale));
- int top = (int) Math.floor(cY - height / (2f * scale));
- int right = (int) Math.ceil(left + width / scale);
- int bottom = (int) Math.ceil(top + height / scale);
-
- // align the rectangle to tile boundary
- int size = mTileSize << level;
- left = Math.max(0, size * (left / size));
- top = Math.max(0, size * (top / size));
- right = Math.min(mImageWidth, right);
- bottom = Math.min(mImageHeight, bottom);
-
- out.set(left, top, right, bottom);
- }
-
- public void freeTextures() {
- mLayoutTiles = true;
-
- mTileDecoder.finishAndWait();
- synchronized (mQueueLock) {
- mUploadQueue.clean();
- mDecodeQueue.clean();
- Tile tile = mRecycledQueue.pop();
- while (tile != null) {
- tile.recycle();
- tile = mRecycledQueue.pop();
- }
- }
-
- int n = mActiveTiles.size();
- for (int i = 0; i < n; i++) {
- Tile texture = mActiveTiles.valueAt(i);
- texture.recycle();
- }
- mActiveTiles.clear();
- mTileRange.set(0, 0, 0, 0);
-
- while (sTilePool.acquire() != null) {}
- }
-
- public boolean draw(GLCanvas canvas) {
- layoutTiles();
- uploadTiles(canvas);
-
- mUploadQuota = UPLOAD_LIMIT;
- mRenderComplete = true;
-
- int level = mLevel;
- int rotation = mRotation;
- int flags = 0;
- if (rotation != 0) {
- flags |= GLCanvas.SAVE_FLAG_MATRIX;
- }
-
- if (flags != 0) {
- canvas.save(flags);
- if (rotation != 0) {
- int centerX = mViewWidth / 2, centerY = mViewHeight / 2;
- canvas.translate(centerX, centerY);
- canvas.rotate(rotation, 0, 0, 1);
- canvas.translate(-centerX, -centerY);
- }
- }
- try {
- if (level != mLevelCount) {
- int size = (mTileSize << level);
- float length = size * mScale;
- Rect r = mTileRange;
-
- for (int ty = r.top, i = 0; ty < r.bottom; ty += size, i++) {
- float y = mOffsetY + i * length;
- for (int tx = r.left, j = 0; tx < r.right; tx += size, j++) {
- float x = mOffsetX + j * length;
- drawTile(canvas, tx, ty, level, x, y, length);
- }
- }
- } else if (mPreview != null) {
- mPreview.draw(canvas, mOffsetX, mOffsetY,
- Math.round(mImageWidth * mScale),
- Math.round(mImageHeight * mScale));
- }
- } finally {
- if (flags != 0) {
- canvas.restore();
- }
- }
-
- if (mRenderComplete) {
- if (!mBackgroundTileUploaded) {
- uploadBackgroundTiles(canvas);
- }
- } else {
- invalidate();
- }
- return mRenderComplete || mPreview != null;
- }
-
- private void uploadBackgroundTiles(GLCanvas canvas) {
- mBackgroundTileUploaded = true;
- int n = mActiveTiles.size();
- for (int i = 0; i < n; i++) {
- Tile tile = mActiveTiles.valueAt(i);
- if (!tile.isContentValid()) {
- queueForDecode(tile);
- }
- }
- }
-
- private void queueForDecode(Tile tile) {
- synchronized (mQueueLock) {
- if (tile.mTileState == STATE_ACTIVATED) {
- tile.mTileState = STATE_IN_QUEUE;
- if (mDecodeQueue.push(tile)) {
- mQueueLock.notifyAll();
- }
- }
- }
- }
-
- private void decodeTile(Tile tile) {
- synchronized (mQueueLock) {
- if (tile.mTileState != STATE_IN_QUEUE) {
- return;
- }
- tile.mTileState = STATE_DECODING;
- }
- boolean decodeComplete = tile.decode();
- synchronized (mQueueLock) {
- if (tile.mTileState == STATE_RECYCLING) {
- tile.mTileState = STATE_RECYCLED;
- if (tile.mDecodedTile != null) {
- sTilePool.release(tile.mDecodedTile);
- tile.mDecodedTile = null;
- }
- mRecycledQueue.push(tile);
- return;
- }
- tile.mTileState = decodeComplete ? STATE_DECODED : STATE_DECODE_FAIL;
- if (!decodeComplete) {
- return;
- }
- mUploadQueue.push(tile);
- }
- invalidate();
- }
-
- private Tile obtainTile(int x, int y, int level) {
- synchronized (mQueueLock) {
- Tile tile = mRecycledQueue.pop();
- if (tile != null) {
- tile.mTileState = STATE_ACTIVATED;
- tile.update(x, y, level);
- return tile;
- }
- return new Tile(x, y, level);
- }
- }
-
- private void recycleTile(Tile tile) {
- synchronized (mQueueLock) {
- if (tile.mTileState == STATE_DECODING) {
- tile.mTileState = STATE_RECYCLING;
- return;
- }
- tile.mTileState = STATE_RECYCLED;
- if (tile.mDecodedTile != null) {
- sTilePool.release(tile.mDecodedTile);
- tile.mDecodedTile = null;
- }
- mRecycledQueue.push(tile);
- }
- }
-
- private void activateTile(int x, int y, int level) {
- long key = makeTileKey(x, y, level);
- Tile tile = mActiveTiles.get(key);
- if (tile != null) {
- if (tile.mTileState == STATE_IN_QUEUE) {
- tile.mTileState = STATE_ACTIVATED;
- }
- return;
- }
- tile = obtainTile(x, y, level);
- mActiveTiles.put(key, tile);
- }
-
- private Tile getTile(int x, int y, int level) {
- return mActiveTiles.get(makeTileKey(x, y, level));
- }
-
- private static long makeTileKey(int x, int y, int level) {
- long result = x;
- result = (result << 16) | y;
- result = (result << 16) | level;
- return result;
- }
-
- private void uploadTiles(GLCanvas canvas) {
- int quota = UPLOAD_LIMIT;
- Tile tile = null;
- while (quota > 0) {
- synchronized (mQueueLock) {
- tile = mUploadQueue.pop();
- }
- if (tile == null) {
- break;
- }
- if (!tile.isContentValid()) {
- if (tile.mTileState == STATE_DECODED) {
- tile.updateContent(canvas);
- --quota;
- } else {
- Log.w(TAG, "Tile in upload queue has invalid state: " + tile.mTileState);
- }
- }
- }
- if (tile != null) {
- invalidate();
- }
- }
-
- // Draw the tile to a square at canvas that locates at (x, y) and
- // has a side length of length.
- private void drawTile(GLCanvas canvas,
- int tx, int ty, int level, float x, float y, float length) {
- RectF source = mSourceRect;
- RectF target = mTargetRect;
- target.set(x, y, x + length, y + length);
- source.set(0, 0, mTileSize, mTileSize);
-
- Tile tile = getTile(tx, ty, level);
- if (tile != null) {
- if (!tile.isContentValid()) {
- if (tile.mTileState == STATE_DECODED) {
- if (mUploadQuota > 0) {
- --mUploadQuota;
- tile.updateContent(canvas);
- } else {
- mRenderComplete = false;
- }
- } else if (tile.mTileState != STATE_DECODE_FAIL){
- mRenderComplete = false;
- queueForDecode(tile);
- }
- }
- if (drawTile(tile, canvas, source, target)) {
- return;
- }
- }
- if (mPreview != null) {
- int size = mTileSize << level;
- float scaleX = (float) mPreview.getWidth() / mImageWidth;
- float scaleY = (float) mPreview.getHeight() / mImageHeight;
- source.set(tx * scaleX, ty * scaleY, (tx + size) * scaleX,
- (ty + size) * scaleY);
- canvas.drawTexture(mPreview, source, target);
- }
- }
-
- private boolean drawTile(
- Tile tile, GLCanvas canvas, RectF source, RectF target) {
- while (true) {
- if (tile.isContentValid()) {
- canvas.drawTexture(tile, source, target);
- return true;
- }
-
- // Parent can be divided to four quads and tile is one of the four.
- Tile parent = tile.getParentTile();
- if (parent == null) {
- return false;
- }
- if (tile.mX == parent.mX) {
- source.left /= 2f;
- source.right /= 2f;
- } else {
- source.left = (mTileSize + source.left) / 2f;
- source.right = (mTileSize + source.right) / 2f;
- }
- if (tile.mY == parent.mY) {
- source.top /= 2f;
- source.bottom /= 2f;
- } else {
- source.top = (mTileSize + source.top) / 2f;
- source.bottom = (mTileSize + source.bottom) / 2f;
- }
- tile = parent;
- }
- }
-
- private class Tile extends UploadedTexture {
- public int mX;
- public int mY;
- public int mTileLevel;
- public Tile mNext;
- public Bitmap mDecodedTile;
- public volatile int mTileState = STATE_ACTIVATED;
-
- public Tile(int x, int y, int level) {
- mX = x;
- mY = y;
- mTileLevel = level;
- }
-
- @Override
- protected void onFreeBitmap(Bitmap bitmap) {
- sTilePool.release(bitmap);
- }
-
- boolean decode() {
- // Get a tile from the original image. The tile is down-scaled
- // by (1 << mTilelevel) from a region in the original image.
- try {
- Bitmap reuse = sTilePool.acquire();
- if (reuse != null && reuse.getWidth() != mTileSize) {
- reuse = null;
- }
- mDecodedTile = mModel.getTile(mTileLevel, mX, mY, reuse);
- } catch (Throwable t) {
- Log.w(TAG, "fail to decode tile", t);
- }
- return mDecodedTile != null;
- }
-
- @Override
- protected Bitmap onGetBitmap() {
- Utils.assertTrue(mTileState == STATE_DECODED);
-
- // We need to override the width and height, so that we won't
- // draw beyond the boundaries.
- int rightEdge = ((mImageWidth - mX) >> mTileLevel);
- int bottomEdge = ((mImageHeight - mY) >> mTileLevel);
- setSize(Math.min(mTileSize, rightEdge), Math.min(mTileSize, bottomEdge));
-
- Bitmap bitmap = mDecodedTile;
- mDecodedTile = null;
- mTileState = STATE_ACTIVATED;
- return bitmap;
- }
-
- // We override getTextureWidth() and getTextureHeight() here, so the
- // texture can be re-used for different tiles regardless of the actual
- // size of the tile (which may be small because it is a tile at the
- // boundary).
- @Override
- public int getTextureWidth() {
- return mTileSize;
- }
-
- @Override
- public int getTextureHeight() {
- return mTileSize;
- }
-
- public void update(int x, int y, int level) {
- mX = x;
- mY = y;
- mTileLevel = level;
- invalidateContent();
- }
-
- public Tile getParentTile() {
- if (mTileLevel + 1 == mLevelCount) {
- return null;
- }
- int size = mTileSize << (mTileLevel + 1);
- int x = size * (mX / size);
- int y = size * (mY / size);
- return getTile(x, y, mTileLevel + 1);
- }
-
- @Override
- public String toString() {
- return String.format("tile(%s, %s, %s / %s)",
- mX / mTileSize, mY / mTileSize, mLevel, mLevelCount);
- }
- }
-
- private static class TileQueue {
- private Tile mHead;
-
- public Tile pop() {
- Tile tile = mHead;
- if (tile != null) {
- mHead = tile.mNext;
- }
- return tile;
- }
-
- public boolean push(Tile tile) {
- if (contains(tile)) {
- Log.w(TAG, "Attempting to add a tile already in the queue!");
- return false;
- }
- boolean wasEmpty = mHead == null;
- tile.mNext = mHead;
- mHead = tile;
- return wasEmpty;
- }
-
- private boolean contains(Tile tile) {
- Tile other = mHead;
- while (other != null) {
- if (other == tile) {
- return true;
- }
- other = other.mNext;
- }
- return false;
- }
-
- public void clean() {
- mHead = null;
- }
- }
-
- private class TileDecoder extends Thread {
-
- public void finishAndWait() {
- interrupt();
- try {
- join();
- } catch (InterruptedException e) {
- Log.w(TAG, "Interrupted while waiting for TileDecoder thread to finish!");
- }
- }
-
- private Tile waitForTile() throws InterruptedException {
- synchronized (mQueueLock) {
- while (true) {
- Tile tile = mDecodeQueue.pop();
- if (tile != null) {
- return tile;
- }
- mQueueLock.wait();
- }
- }
- }
-
- @Override
- public void run() {
- try {
- while (!isInterrupted()) {
- Tile tile = waitForTile();
- decodeTile(tile);
- }
- } catch (InterruptedException ex) {
- // We were finished
- }
- }
-
- }
-}
diff --git a/src/com/android/photos/views/TiledImageView.java b/src/com/android/photos/views/TiledImageView.java
deleted file mode 100644
index 8bc07c051..000000000
--- a/src/com/android/photos/views/TiledImageView.java
+++ /dev/null
@@ -1,382 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.photos.views;
-
-import android.annotation.SuppressLint;
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Matrix;
-import android.graphics.Paint;
-import android.graphics.Paint.Align;
-import android.graphics.RectF;
-import android.opengl.GLSurfaceView;
-import android.opengl.GLSurfaceView.Renderer;
-import android.os.Build;
-import android.util.AttributeSet;
-import android.view.Choreographer;
-import android.view.Choreographer.FrameCallback;
-import android.view.View;
-import android.widget.FrameLayout;
-
-import com.android.gallery3d.glrenderer.BasicTexture;
-import com.android.gallery3d.glrenderer.GLES20Canvas;
-import com.android.photos.views.TiledImageRenderer.TileSource;
-
-import javax.microedition.khronos.egl.EGLConfig;
-import javax.microedition.khronos.opengles.GL10;
-
-/**
- * Shows an image using {@link TiledImageRenderer} using either {@link GLSurfaceView}
- * or {@link BlockingGLTextureView}.
- */
-public class TiledImageView extends FrameLayout {
-
- private static final boolean USE_TEXTURE_VIEW = false;
- private static final boolean IS_SUPPORTED =
- Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
- private static final boolean USE_CHOREOGRAPHER =
- Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
-
- private BlockingGLTextureView mTextureView;
- private GLSurfaceView mGLSurfaceView;
- private boolean mInvalPending = false;
- private FrameCallback mFrameCallback;
-
- private static class ImageRendererWrapper {
- // Guarded by locks
- float scale;
- int centerX, centerY;
- int rotation;
- TileSource source;
- Runnable isReadyCallback;
-
- // GL thread only
- TiledImageRenderer image;
- }
-
- private float[] mValues = new float[9];
-
- // -------------------------
- // Guarded by mLock
- // -------------------------
- private Object mLock = new Object();
- private ImageRendererWrapper mRenderer;
-
- public TiledImageView(Context context) {
- this(context, null);
- }
-
- public TiledImageView(Context context, AttributeSet attrs) {
- super(context, attrs);
- if (!IS_SUPPORTED) {
- return;
- }
-
- mRenderer = new ImageRendererWrapper();
- mRenderer.image = new TiledImageRenderer(this);
- View view;
- if (USE_TEXTURE_VIEW) {
- mTextureView = new BlockingGLTextureView(context);
- mTextureView.setRenderer(new TileRenderer());
- view = mTextureView;
- } else {
- mGLSurfaceView = new GLSurfaceView(context);
- mGLSurfaceView.setEGLContextClientVersion(2);
- mGLSurfaceView.setRenderer(new TileRenderer());
- mGLSurfaceView.setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
- view = mGLSurfaceView;
- }
- addView(view, new LayoutParams(
- LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
- //setTileSource(new ColoredTiles());
- }
-
- public void destroy() {
- if (!IS_SUPPORTED) {
- return;
- }
- if (USE_TEXTURE_VIEW) {
- mTextureView.destroy();
- } else {
- mGLSurfaceView.queueEvent(mFreeTextures);
- }
- }
-
- private Runnable mFreeTextures = new Runnable() {
-
- @Override
- public void run() {
- mRenderer.image.freeTextures();
- }
- };
-
- public void onPause() {
- if (!IS_SUPPORTED) {
- return;
- }
- if (!USE_TEXTURE_VIEW) {
- mGLSurfaceView.onPause();
- }
- }
-
- public void onResume() {
- if (!IS_SUPPORTED) {
- return;
- }
- if (!USE_TEXTURE_VIEW) {
- mGLSurfaceView.onResume();
- }
- }
-
- public void setTileSource(TileSource source, Runnable isReadyCallback) {
- if (!IS_SUPPORTED) {
- return;
- }
- synchronized (mLock) {
- mRenderer.source = source;
- mRenderer.isReadyCallback = isReadyCallback;
- mRenderer.centerX = source != null ? source.getImageWidth() / 2 : 0;
- mRenderer.centerY = source != null ? source.getImageHeight() / 2 : 0;
- mRenderer.rotation = source != null ? source.getRotation() : 0;
- mRenderer.scale = 0;
- updateScaleIfNecessaryLocked(mRenderer);
- }
- invalidate();
- }
-
- @Override
- protected void onLayout(boolean changed, int left, int top, int right,
- int bottom) {
- super.onLayout(changed, left, top, right, bottom);
- if (!IS_SUPPORTED) {
- return;
- }
- synchronized (mLock) {
- updateScaleIfNecessaryLocked(mRenderer);
- }
- }
-
- private void updateScaleIfNecessaryLocked(ImageRendererWrapper renderer) {
- if (renderer == null || renderer.source == null
- || renderer.scale > 0 || getWidth() == 0) {
- return;
- }
- renderer.scale = Math.min(
- (float) getWidth() / (float) renderer.source.getImageWidth(),
- (float) getHeight() / (float) renderer.source.getImageHeight());
- }
-
- @Override
- protected void dispatchDraw(Canvas canvas) {
- if (!IS_SUPPORTED) {
- return;
- }
- if (USE_TEXTURE_VIEW) {
- mTextureView.render();
- }
- super.dispatchDraw(canvas);
- }
-
- @SuppressLint("NewApi")
- @Override
- public void setTranslationX(float translationX) {
- if (!IS_SUPPORTED) {
- return;
- }
- super.setTranslationX(translationX);
- }
-
- @Override
- public void invalidate() {
- if (!IS_SUPPORTED) {
- return;
- }
- if (USE_TEXTURE_VIEW) {
- super.invalidate();
- mTextureView.invalidate();
- } else {
- if (USE_CHOREOGRAPHER) {
- invalOnVsync();
- } else {
- mGLSurfaceView.requestRender();
- }
- }
- }
-
- @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
- private void invalOnVsync() {
- if (!mInvalPending) {
- mInvalPending = true;
- if (mFrameCallback == null) {
- mFrameCallback = new FrameCallback() {
- @Override
- public void doFrame(long frameTimeNanos) {
- mInvalPending = false;
- mGLSurfaceView.requestRender();
- }
- };
- }
- Choreographer.getInstance().postFrameCallback(mFrameCallback);
- }
- }
-
- private RectF mTempRectF = new RectF();
- public void positionFromMatrix(Matrix matrix) {
- if (!IS_SUPPORTED) {
- return;
- }
- if (mRenderer.source != null) {
- final int rotation = mRenderer.source.getRotation();
- final boolean swap = !(rotation % 180 == 0);
- final int width = swap ? mRenderer.source.getImageHeight()
- : mRenderer.source.getImageWidth();
- final int height = swap ? mRenderer.source.getImageWidth()
- : mRenderer.source.getImageHeight();
- mTempRectF.set(0, 0, width, height);
- matrix.mapRect(mTempRectF);
- matrix.getValues(mValues);
- int cx = width / 2;
- int cy = height / 2;
- float scale = mValues[Matrix.MSCALE_X];
- int xoffset = Math.round((getWidth() - mTempRectF.width()) / 2 / scale);
- int yoffset = Math.round((getHeight() - mTempRectF.height()) / 2 / scale);
- if (rotation == 90 || rotation == 180) {
- cx += (mTempRectF.left / scale) - xoffset;
- } else {
- cx -= (mTempRectF.left / scale) - xoffset;
- }
- if (rotation == 180 || rotation == 270) {
- cy += (mTempRectF.top / scale) - yoffset;
- } else {
- cy -= (mTempRectF.top / scale) - yoffset;
- }
- mRenderer.scale = scale;
- mRenderer.centerX = swap ? cy : cx;
- mRenderer.centerY = swap ? cx : cy;
- invalidate();
- }
- }
-
- private class TileRenderer implements Renderer {
-
- private GLES20Canvas mCanvas;
-
- @Override
- public void onSurfaceCreated(GL10 gl, EGLConfig config) {
- mCanvas = new GLES20Canvas();
- BasicTexture.invalidateAllTextures();
- mRenderer.image.setModel(mRenderer.source, mRenderer.rotation);
- }
-
- @Override
- public void onSurfaceChanged(GL10 gl, int width, int height) {
- mCanvas.setSize(width, height);
- mRenderer.image.setViewSize(width, height);
- }
-
- @Override
- public void onDrawFrame(GL10 gl) {
- mCanvas.clearBuffer();
- Runnable readyCallback;
- synchronized (mLock) {
- readyCallback = mRenderer.isReadyCallback;
- mRenderer.image.setModel(mRenderer.source, mRenderer.rotation);
- mRenderer.image.setPosition(mRenderer.centerX, mRenderer.centerY,
- mRenderer.scale);
- }
- boolean complete = mRenderer.image.draw(mCanvas);
- if (complete && readyCallback != null) {
- synchronized (mLock) {
- // Make sure we don't trample on a newly set callback/source
- // if it changed while we were rendering
- if (mRenderer.isReadyCallback == readyCallback) {
- mRenderer.isReadyCallback = null;
- }
- }
- if (readyCallback != null) {
- post(readyCallback);
- }
- }
- }
-
- }
-
- @SuppressWarnings("unused")
- private static class ColoredTiles implements TileSource {
- private static final int[] COLORS = new int[] {
- Color.RED,
- Color.BLUE,
- Color.YELLOW,
- Color.GREEN,
- Color.CYAN,
- Color.MAGENTA,
- Color.WHITE,
- };
-
- private Paint mPaint = new Paint();
- private Canvas mCanvas = new Canvas();
-
- @Override
- public int getTileSize() {
- return 256;
- }
-
- @Override
- public int getImageWidth() {
- return 16384;
- }
-
- @Override
- public int getImageHeight() {
- return 8192;
- }
-
- @Override
- public int getRotation() {
- return 0;
- }
-
- @Override
- public Bitmap getTile(int level, int x, int y, Bitmap bitmap) {
- int tileSize = getTileSize();
- if (bitmap == null) {
- bitmap = Bitmap.createBitmap(tileSize, tileSize,
- Bitmap.Config.ARGB_8888);
- }
- mCanvas.setBitmap(bitmap);
- mCanvas.drawColor(COLORS[level]);
- mPaint.setColor(Color.BLACK);
- mPaint.setTextSize(20);
- mPaint.setTextAlign(Align.CENTER);
- mCanvas.drawText(x + "x" + y, 128, 128, mPaint);
- tileSize <<= level;
- x /= tileSize;
- y /= tileSize;
- mCanvas.drawText(x + "x" + y + " @ " + level, 128, 30, mPaint);
- mCanvas.setBitmap(null);
- return bitmap;
- }
-
- @Override
- public BasicTexture getPreview() {
- return null;
- }
- }
-}