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Diffstat (limited to 'src/com/android/launcher3/CropView.java')
-rw-r--r--src/com/android/launcher3/CropView.java322
1 files changed, 0 insertions, 322 deletions
diff --git a/src/com/android/launcher3/CropView.java b/src/com/android/launcher3/CropView.java
deleted file mode 100644
index 578b8eafd..000000000
--- a/src/com/android/launcher3/CropView.java
+++ /dev/null
@@ -1,322 +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.launcher3;
-
-import android.content.Context;
-import android.graphics.Matrix;
-import android.graphics.Point;
-import android.graphics.RectF;
-import android.util.AttributeSet;
-import android.util.FloatMath;
-import android.view.MotionEvent;
-import android.view.ScaleGestureDetector;
-import android.view.ScaleGestureDetector.OnScaleGestureListener;
-import android.view.ViewConfiguration;
-import android.view.ViewTreeObserver;
-import android.view.ViewTreeObserver.OnGlobalLayoutListener;
-
-import com.android.photos.views.TiledImageRenderer.TileSource;
-import com.android.photos.views.TiledImageView;
-
-public class CropView extends TiledImageView implements OnScaleGestureListener {
-
- private ScaleGestureDetector mScaleGestureDetector;
- private long mTouchDownTime;
- private float mFirstX, mFirstY;
- private float mLastX, mLastY;
- private float mCenterX, mCenterY;
- private float mMinScale;
- private boolean mTouchEnabled = true;
- private RectF mTempEdges = new RectF();
- private float[] mTempPoint = new float[] { 0, 0 };
- private float[] mTempCoef = new float[] { 0, 0 };
- private float[] mTempAdjustment = new float[] { 0, 0 };
- private float[] mTempImageDims = new float[] { 0, 0 };
- private float[] mTempRendererCenter = new float[] { 0, 0 };
- TouchCallback mTouchCallback;
- Matrix mRotateMatrix;
- Matrix mInverseRotateMatrix;
-
- public interface TouchCallback {
- void onTouchDown();
- void onTap();
- void onTouchUp();
- }
-
- public CropView(Context context) {
- this(context, null);
- }
-
- public CropView(Context context, AttributeSet attrs) {
- super(context, attrs);
- mScaleGestureDetector = new ScaleGestureDetector(context, this);
- mRotateMatrix = new Matrix();
- mInverseRotateMatrix = new Matrix();
- }
-
- private float[] getImageDims() {
- final float imageWidth = mRenderer.source.getImageWidth();
- final float imageHeight = mRenderer.source.getImageHeight();
- float[] imageDims = mTempImageDims;
- imageDims[0] = imageWidth;
- imageDims[1] = imageHeight;
- mRotateMatrix.mapPoints(imageDims);
- imageDims[0] = Math.abs(imageDims[0]);
- imageDims[1] = Math.abs(imageDims[1]);
- return imageDims;
- }
-
- private void getEdgesHelper(RectF edgesOut) {
- final float width = getWidth();
- final float height = getHeight();
- final float[] imageDims = getImageDims();
- final float imageWidth = imageDims[0];
- final float imageHeight = imageDims[1];
-
- float initialCenterX = mRenderer.source.getImageWidth() / 2f;
- float initialCenterY = mRenderer.source.getImageHeight() / 2f;
-
- float[] rendererCenter = mTempRendererCenter;
- rendererCenter[0] = mCenterX - initialCenterX;
- rendererCenter[1] = mCenterY - initialCenterY;
- mRotateMatrix.mapPoints(rendererCenter);
- rendererCenter[0] += imageWidth / 2;
- rendererCenter[1] += imageHeight / 2;
-
- final float scale = mRenderer.scale;
- float centerX = (width / 2f - rendererCenter[0] + (imageWidth - width) / 2f)
- * scale + width / 2f;
- float centerY = (height / 2f - rendererCenter[1] + (imageHeight - height) / 2f)
- * scale + height / 2f;
- float leftEdge = centerX - imageWidth / 2f * scale;
- float rightEdge = centerX + imageWidth / 2f * scale;
- float topEdge = centerY - imageHeight / 2f * scale;
- float bottomEdge = centerY + imageHeight / 2f * scale;
-
- edgesOut.left = leftEdge;
- edgesOut.right = rightEdge;
- edgesOut.top = topEdge;
- edgesOut.bottom = bottomEdge;
- }
-
- public int getImageRotation() {
- return mRenderer.rotation;
- }
-
- public RectF getCrop() {
- final RectF edges = mTempEdges;
- getEdgesHelper(edges);
- final float scale = mRenderer.scale;
-
- float cropLeft = -edges.left / scale;
- float cropTop = -edges.top / scale;
- float cropRight = cropLeft + getWidth() / scale;
- float cropBottom = cropTop + getHeight() / scale;
-
- return new RectF(cropLeft, cropTop, cropRight, cropBottom);
- }
-
- public Point getSourceDimensions() {
- return new Point(mRenderer.source.getImageWidth(), mRenderer.source.getImageHeight());
- }
-
- public void setTileSource(TileSource source, Runnable isReadyCallback) {
- super.setTileSource(source, isReadyCallback);
- mCenterX = mRenderer.centerX;
- mCenterY = mRenderer.centerY;
- mRotateMatrix.reset();
- mRotateMatrix.setRotate(mRenderer.rotation);
- mInverseRotateMatrix.reset();
- mInverseRotateMatrix.setRotate(-mRenderer.rotation);
- updateMinScale(getWidth(), getHeight(), source, true);
- }
-
- protected void onSizeChanged(int w, int h, int oldw, int oldh) {
- updateMinScale(w, h, mRenderer.source, false);
- }
-
- public void setScale(float scale) {
- synchronized (mLock) {
- mRenderer.scale = scale;
- }
- }
-
- private void updateMinScale(int w, int h, TileSource source, boolean resetScale) {
- synchronized (mLock) {
- if (resetScale) {
- mRenderer.scale = 1;
- }
- if (source != null) {
- final float[] imageDims = getImageDims();
- final float imageWidth = imageDims[0];
- final float imageHeight = imageDims[1];
- mMinScale = Math.max(w / imageWidth, h / imageHeight);
- mRenderer.scale =
- Math.max(mMinScale, resetScale ? Float.MIN_VALUE : mRenderer.scale);
- }
- }
- }
-
- @Override
- public boolean onScaleBegin(ScaleGestureDetector detector) {
- return true;
- }
-
- @Override
- public boolean onScale(ScaleGestureDetector detector) {
- // Don't need the lock because this will only fire inside of
- // onTouchEvent
- mRenderer.scale *= detector.getScaleFactor();
- mRenderer.scale = Math.max(mMinScale, mRenderer.scale);
- invalidate();
- return true;
- }
-
- @Override
- public void onScaleEnd(ScaleGestureDetector detector) {
- }
-
- public void moveToLeft() {
- if (getWidth() == 0 || getHeight() == 0) {
- final ViewTreeObserver observer = getViewTreeObserver();
- observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
- public void onGlobalLayout() {
- moveToLeft();
- getViewTreeObserver().removeOnGlobalLayoutListener(this);
- }
- });
- }
- final RectF edges = mTempEdges;
- getEdgesHelper(edges);
- final float scale = mRenderer.scale;
- mCenterX += Math.ceil(edges.left / scale);
- updateCenter();
- }
-
- private void updateCenter() {
- mRenderer.centerX = Math.round(mCenterX);
- mRenderer.centerY = Math.round(mCenterY);
- }
-
- public void setTouchEnabled(boolean enabled) {
- mTouchEnabled = enabled;
- }
-
- public void setTouchCallback(TouchCallback cb) {
- mTouchCallback = cb;
- }
-
- @Override
- public boolean onTouchEvent(MotionEvent event) {
- int action = event.getActionMasked();
- final boolean pointerUp = action == MotionEvent.ACTION_POINTER_UP;
- final int skipIndex = pointerUp ? event.getActionIndex() : -1;
-
- // Determine focal point
- float sumX = 0, sumY = 0;
- final int count = event.getPointerCount();
- for (int i = 0; i < count; i++) {
- if (skipIndex == i)
- continue;
- sumX += event.getX(i);
- sumY += event.getY(i);
- }
- final int div = pointerUp ? count - 1 : count;
- float x = sumX / div;
- float y = sumY / div;
-
- if (action == MotionEvent.ACTION_DOWN) {
- mFirstX = x;
- mFirstY = y;
- mTouchDownTime = System.currentTimeMillis();
- if (mTouchCallback != null) {
- mTouchCallback.onTouchDown();
- }
- } else if (action == MotionEvent.ACTION_UP) {
- ViewConfiguration config = ViewConfiguration.get(getContext());
-
- float squaredDist = (mFirstX - x) * (mFirstX - x) + (mFirstY - y) * (mFirstY - y);
- float slop = config.getScaledTouchSlop() * config.getScaledTouchSlop();
- long now = System.currentTimeMillis();
- if (mTouchCallback != null) {
- // only do this if it's a small movement
- if (squaredDist < slop &&
- now < mTouchDownTime + ViewConfiguration.getTapTimeout()) {
- mTouchCallback.onTap();
- }
- mTouchCallback.onTouchUp();
- }
- }
-
- if (!mTouchEnabled) {
- return true;
- }
-
- synchronized (mLock) {
- mScaleGestureDetector.onTouchEvent(event);
- switch (action) {
- case MotionEvent.ACTION_MOVE:
- float[] point = mTempPoint;
- point[0] = (mLastX - x) / mRenderer.scale;
- point[1] = (mLastY - y) / mRenderer.scale;
- mInverseRotateMatrix.mapPoints(point);
- mCenterX += point[0];
- mCenterY += point[1];
- updateCenter();
- invalidate();
- break;
- }
- if (mRenderer.source != null) {
- // Adjust position so that the wallpaper covers the entire area
- // of the screen
- final RectF edges = mTempEdges;
- getEdgesHelper(edges);
- final float scale = mRenderer.scale;
-
- float[] coef = mTempCoef;
- coef[0] = 1;
- coef[1] = 1;
- mRotateMatrix.mapPoints(coef);
- float[] adjustment = mTempAdjustment;
- mTempAdjustment[0] = 0;
- mTempAdjustment[1] = 0;
- if (edges.left > 0) {
- adjustment[0] = edges.left / scale;
- } else if (edges.right < getWidth()) {
- adjustment[0] = (edges.right - getWidth()) / scale;
- }
- if (edges.top > 0) {
- adjustment[1] = FloatMath.ceil(edges.top / scale);
- } else if (edges.bottom < getHeight()) {
- adjustment[1] = (edges.bottom - getHeight()) / scale;
- }
- for (int dim = 0; dim <= 1; dim++) {
- if (coef[dim] > 0) adjustment[dim] = FloatMath.ceil(adjustment[dim]);
- }
-
- mInverseRotateMatrix.mapPoints(adjustment);
- mCenterX += adjustment[0];
- mCenterY += adjustment[1];
- updateCenter();
- }
- }
-
- mLastX = x;
- mLastY = y;
- return true;
- }
-}
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