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Diffstat (limited to 'src/com/android/camera/NewPreviewGestures.java')
-rw-r--r--src/com/android/camera/NewPreviewGestures.java263
1 files changed, 0 insertions, 263 deletions
diff --git a/src/com/android/camera/NewPreviewGestures.java b/src/com/android/camera/NewPreviewGestures.java
deleted file mode 100644
index 339c4b33f..000000000
--- a/src/com/android/camera/NewPreviewGestures.java
+++ /dev/null
@@ -1,263 +0,0 @@
-package com.android.camera;
-
-/*
- * 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.
- */
-
-import android.os.Handler;
-import android.os.Message;
-import android.util.Log;
-import android.view.GestureDetector;
-import android.view.MotionEvent;
-import android.view.ScaleGestureDetector;
-import android.view.View;
-import android.view.ViewConfiguration;
-
-import com.android.camera.PreviewGestures.SingleTapListener;
-import com.android.camera.PreviewGestures.SwipeListener;
-import com.android.camera.ui.PieRenderer;
-import com.android.camera.ui.RenderOverlay;
-import com.android.camera.ui.ZoomRenderer;
-import com.android.gallery3d.R;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/* NewPreviewGestures disambiguates touch events received on RenderOverlay
- * and dispatch them to the proper recipient (i.e. zoom renderer or pie renderer).
- * Touch events on CameraControls will be handled by framework.
- * */
-public class NewPreviewGestures
- implements ScaleGestureDetector.OnScaleGestureListener {
-
- private static final String TAG = "CAM_gestures";
-
- private static final long TIMEOUT_PIE = 200;
- private static final int MSG_PIE = 1;
- private static final int MODE_NONE = 0;
- private static final int MODE_PIE = 1;
- private static final int MODE_ZOOM = 2;
- private static final int MODE_MODULE = 3;
- private static final int MODE_ALL = 4;
- private static final int MODE_SWIPE = 5;
-
- public static final int DIR_UP = 0;
- public static final int DIR_DOWN = 1;
- public static final int DIR_LEFT = 2;
- public static final int DIR_RIGHT = 3;
-
- private NewCameraActivity mActivity;
- private SingleTapListener mTapListener;
- private RenderOverlay mOverlay;
- private PieRenderer mPie;
- private ZoomRenderer mZoom;
- private MotionEvent mDown;
- private MotionEvent mCurrent;
- private ScaleGestureDetector mScale;
- private int mMode;
- private int mSlop;
- private int mTapTimeout;
- private boolean mZoomEnabled;
- private boolean mEnabled;
- private boolean mZoomOnly;
- private int mOrientation;
- private GestureDetector mGestureDetector;
-
- private GestureDetector.SimpleOnGestureListener mGestureListener = new GestureDetector.SimpleOnGestureListener() {
- @Override
- public void onLongPress (MotionEvent e) {
- // Open pie
- if (mPie != null && !mPie.showsItems()) {
- openPie();
- }
- }
-
- @Override
- public boolean onSingleTapUp (MotionEvent e) {
- // Tap to focus when pie is not open
- if (mPie == null || !mPie.showsItems()) {
- mTapListener.onSingleTapUp(null, (int) e.getX(), (int) e.getY());
- return true;
- }
- return false;
- }
-
- @Override
- public boolean onScroll (MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
- if (mMode == MODE_ZOOM) return false;
- int deltaX = (int) (e1.getX() - e2.getX());
- int deltaY = (int) (e1.getY() - e2.getY());
- if (deltaY > 2 * deltaX && deltaY > -2 * deltaX) {
- // Open pie on swipe up
- if (mPie != null && !mPie.showsItems()) {
- openPie();
- return true;
- }
- }
- return false;
- }
- };
-
- private Handler mHandler = new Handler() {
- public void handleMessage(Message msg) {
- if (msg.what == MSG_PIE) {
- mMode = MODE_PIE;
- openPie();
- }
- }
- };
-
- public interface SingleTapListener {
- public void onSingleTapUp(View v, int x, int y);
- }
-
- public NewPreviewGestures(NewCameraActivity ctx, SingleTapListener tapListener,
- ZoomRenderer zoom, PieRenderer pie) {
- mActivity = ctx;
- mTapListener = tapListener;
- mPie = pie;
- mZoom = zoom;
- mMode = MODE_ALL;
- mScale = new ScaleGestureDetector(ctx, this);
- mSlop = (int) ctx.getResources().getDimension(R.dimen.pie_touch_slop);
- mTapTimeout = ViewConfiguration.getTapTimeout();
- mEnabled = true;
- mGestureDetector = new GestureDetector(mGestureListener);
- }
-
- public void setRenderOverlay(RenderOverlay overlay) {
- mOverlay = overlay;
- }
-
- public void setOrientation(int orientation) {
- mOrientation = orientation;
- }
-
- public void setEnabled(boolean enabled) {
- mEnabled = enabled;
- }
-
- public void setZoomEnabled(boolean enable) {
- mZoomEnabled = enable;
- }
-
- public void setZoomOnly(boolean zoom) {
- mZoomOnly = zoom;
- }
-
- public boolean isEnabled() {
- return mEnabled;
- }
-
- public boolean dispatchTouch(MotionEvent m) {
- if (!mEnabled) {
- return false;
- }
- mCurrent = m;
- if (MotionEvent.ACTION_DOWN == m.getActionMasked()) {
- mMode = MODE_NONE;
- mDown = MotionEvent.obtain(m);
- }
-
- // If pie is open, redirects all the touch events to pie.
- if (mPie != null && mPie.isOpen()) {
- return sendToPie(m);
- }
-
- // If pie is not open, send touch events to gesture detector and scale
- // listener to recognize the gesture.
- mGestureDetector.onTouchEvent(m);
- if (mZoom != null) {
- mScale.onTouchEvent(m);
- if (MotionEvent.ACTION_POINTER_DOWN == m.getActionMasked()) {
- mMode = MODE_ZOOM;
- if (mZoomEnabled) {
- // Start showing zoom UI as soon as there is a second finger down
- mZoom.onScaleBegin(mScale);
- }
- } else if (MotionEvent.ACTION_POINTER_UP == m.getActionMasked()) {
- mZoom.onScaleEnd(mScale);
- }
- }
- return true;
- }
-
- // left tests for finger moving right to left
- private int getSwipeDirection(MotionEvent m) {
- float dx = 0;
- float dy = 0;
- switch (mOrientation) {
- case 0:
- dx = m.getX() - mDown.getX();
- dy = m.getY() - mDown.getY();
- break;
- case 90:
- dx = - (m.getY() - mDown.getY());
- dy = m.getX() - mDown.getX();
- break;
- case 180:
- dx = -(m.getX() - mDown.getX());
- dy = m.getY() - mDown.getY();
- break;
- case 270:
- dx = m.getY() - mDown.getY();
- dy = m.getX() - mDown.getX();
- break;
- }
- if (dx < 0 && (Math.abs(dy) / -dx < 2)) return DIR_LEFT;
- if (dx > 0 && (Math.abs(dy) / dx < 2)) return DIR_RIGHT;
- if (dy > 0) return DIR_DOWN;
- return DIR_UP;
- }
-
- private MotionEvent makeCancelEvent(MotionEvent m) {
- MotionEvent c = MotionEvent.obtain(m);
- c.setAction(MotionEvent.ACTION_CANCEL);
- return c;
- }
-
- private void openPie() {
- mGestureDetector.onTouchEvent(makeCancelEvent(mDown));
- mScale.onTouchEvent(makeCancelEvent(mDown));
- mOverlay.directDispatchTouch(mDown, mPie);
- }
-
- private boolean sendToPie(MotionEvent m) {
- return mOverlay.directDispatchTouch(m, mPie);
- }
-
- // OnScaleGestureListener implementation
- @Override
- public boolean onScale(ScaleGestureDetector detector) {
- return mZoom.onScale(detector);
- }
-
- @Override
- public boolean onScaleBegin(ScaleGestureDetector detector) {
- if (mPie == null || !mPie.isOpen()) {
- mMode = MODE_ZOOM;
- mGestureDetector.onTouchEvent(makeCancelEvent(mCurrent));
- if (!mZoomEnabled) return false;
- return mZoom.onScaleBegin(detector);
- }
- return false;
- }
-
- @Override
- public void onScaleEnd(ScaleGestureDetector detector) {
- mZoom.onScaleEnd(detector);
- }
-}
-
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