PhotoView.java revision ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3
1f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin/* 2f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * Copyright (C) 2010 The Android Open Source Project 3f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * 4f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * Licensed under the Apache License, Version 2.0 (the "License"); 5f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * you may not use this file except in compliance with the License. 6f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * You may obtain a copy of the License at 7f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * 8f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * http://www.apache.org/licenses/LICENSE-2.0 9f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * 10f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * Unless required by applicable law or agreed to in writing, software 11f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * distributed under the License is distributed on an "AS IS" BASIS, 12f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * See the License for the specific language governing permissions and 14f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * limitations under the License. 15f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin */ 16f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 17f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linpackage com.android.gallery3d.ui; 18f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 19f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.content.Context; 20f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.graphics.Color; 21cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Changimport android.graphics.Point; 2204ac045bf8da5082bbb0bdc9ea5f9c9b5b796ad0Yuli Huangimport android.graphics.Rect; 23f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.os.Message; 24f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.view.MotionEvent; 25cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Changimport android.view.animation.AccelerateInterpolator; 26f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 272b3ee0ea07246b859a5b75d8a6102a7cce7ec838Owen Linimport com.android.gallery3d.R; 282b3ee0ea07246b859a5b75d8a6102a7cce7ec838Owen Linimport com.android.gallery3d.app.GalleryActivity; 29cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Changimport com.android.gallery3d.common.Utils; 30b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Changimport com.android.gallery3d.data.MediaObject; 31b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Changimport com.android.gallery3d.util.RangeArray; 32b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 33b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Changimport java.util.Arrays; 342b3ee0ea07246b859a5b75d8a6102a7cce7ec838Owen Lin 35f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linpublic class PhotoView extends GLView { 36f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin @SuppressWarnings("unused") 37f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private static final String TAG = "PhotoView"; 38c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang private static final int PLACEHOLDER_COLOR = 0xFF222222; 39f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 40f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin public static final int INVALID_SIZE = -1; 41b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public static final long INVALID_DATA_VERSION = 42b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang MediaObject.INVALID_DATA_VERSION; 43f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 44c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang public static class Size { 45c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang public int width; 46c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang public int height; 47c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang } 48c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang 49c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang public interface Model extends TileImageView.Model { 50bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public int getCurrentIndex(); 51bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public void moveTo(int index); 52c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang 53c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // Returns the size for the specified picture. If the size information is 54c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // not avaiable, width = height = 0. 55c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang public void getImageSize(int offset, Size size); 56c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang 57c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // Returns the rotation for the specified picture. 58c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang public int getImageRotation(int offset); 59f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 60b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // This amends the getScreenNail() method of TileImageView.Model to get 61b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // ScreenNail at previous (negative offset) or next (positive offset) 62b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // positions. Returns null if the specified ScreenNail is unavailable. 63b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public ScreenNail getScreenNail(int offset); 64c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang 65c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // Set this to true if we need the model to provide full images. 66b8be1e0ad76b6abc0da7ead39f7a9811195d001eChih-Chung Chang public void setNeedFullImage(boolean enabled); 67bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 68bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // Returns true if the item is the Camera preview. 69bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public boolean isCamera(int offset); 70d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang 71d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang // Returns true if the item is a Video. 72d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang public boolean isVideo(int offset); 73b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 74b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 75bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public interface Listener { 76b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void onSingleTapUp(int x, int y); 77bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public void lockOrientation(); 78bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public void unlockOrientation(); 79bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public void onFullScreenChanged(boolean full); 8061f94714c3702115d2f89bb5f8829697be0c3680Chih-Chung Chang public void onActionBarAllowed(boolean allowed); 81b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 82f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 83bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // Here is a graph showing the places we need to lock/unlock device 84bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // orientation: 85bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // 86bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // +------------+ A +------------+ 87bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // Page mode | Camera |<---| Photo | 88bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // | [locked] |--->| [unlocked] | 89bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // +------------+ B +------------+ 90bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // ^ ^ 91bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // | C | D 92bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // +------------+ +------------+ 93bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // | Camera | | Photo | 94bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // Film mode | [*] | | [*] | 95bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // +------------+ +------------+ 96bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // 97bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // In Page mode, we want to lock in Camera because we don't want the system 98bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // rotation animation. We also want to unlock in Photo because we want to 99bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // show the system action bar in the right place. 100bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // 101bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // We don't show action bar in Film mode, so it's fine for it to be locked 102bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // or unlocked in Film mode. 103bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // 104bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // There are four transitions we need to check if we need to 105bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // lock/unlock. Marked as A to D above and in the code. 106bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 107b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private static final int MSG_SHOW_LOADING = 1; 108b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private static final int MSG_CANCEL_EXTRA_SCALING = 2; 109b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private static final int MSG_SWITCH_FOCUS = 3; 1102c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang private static final int MSG_CAPTURE_ANIMATION_DONE = 4; 111f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 112b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private static final long DELAY_SHOW_LOADING = 250; // 250ms; 113f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 114f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private static final int LOADING_INIT = 0; 115f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private static final int LOADING_TIMEOUT = 1; 116f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private static final int LOADING_COMPLETE = 2; 117f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private static final int LOADING_FAIL = 3; 118f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 119b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private static final int MOVE_THRESHOLD = 256; 120f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private static final float SWIPE_THRESHOLD = 300f; 121f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 122f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private static final float DEFAULT_TEXT_SIZE = 20; 123cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang private static float TRANSITION_SCALE_FACTOR = 0.74f; 124d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang private static final int ICON_RATIO = 6; 1252c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang 1262c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang // whether we want to apply card deck effect in page mode. 127b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private static final boolean CARD_EFFECT = true; 128cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 129cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // Used to calculate the scaling factor for the fading animation. 130cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang private ZInterpolator mScaleInterpolator = new ZInterpolator(0.5f); 131cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 132cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // Used to calculate the alpha factor for the fading animation. 133cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang private AccelerateInterpolator mAlphaInterpolator = 134cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang new AccelerateInterpolator(0.9f); 135f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 136b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // We keep this many previous ScreenNails. (also this many next ScreenNails) 137b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public static final int SCREEN_NAIL_MAX = 3; 138b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 139b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // The picture entries, the valid index is from -SCREEN_NAIL_MAX to 140b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // SCREEN_NAIL_MAX. 141b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private final RangeArray<Picture> mPictures = 142b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang new RangeArray<Picture>(-SCREEN_NAIL_MAX, SCREEN_NAIL_MAX); 143f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 144b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private final long mDataVersion[] = new long[2 * SCREEN_NAIL_MAX + 1]; 145b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private final int mFromIndex[] = new int[2 * SCREEN_NAIL_MAX + 1]; 146f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1476575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang private final MyGestureListener mGestureListener; 1483a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang private final GestureRecognizer mGestureRecognizer; 149f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private final PositionController mPositionController; 150f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 151bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang private Listener mListener; 152f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private Model mModel; 153f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private StringTexture mLoadingText; 154f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private StringTexture mNoThumbnailText; 155b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private TileImageView mTileView; 156532d93caddc91a7aa33ca113adbc0b8255d498ebChih-Chung Chang private EdgeView mEdgeView; 157f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private Texture mVideoPlayIcon; 158f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 159f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private ProgressSpinner mLoadingSpinner; 160f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 161f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private SynchronizedHandler mHandler; 162f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 163f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private int mLoadingState = LOADING_COMPLETE; 164f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 165cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang private Point mImageCenter = new Point(); 166534b12fd804610dd67b8109bc08ba76f31afb33eChih-Chung Chang private boolean mCancelExtraScalingPending; 167b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private boolean mFilmMode = false; 168bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang private int mDisplayRotation = 0; 169bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang private int mCompensation = 0; 170bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang private boolean mFullScreen = true; 171bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang private Rect mCameraNaturalFrame = new Rect(); 172bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang private Rect mCameraRect = new Rect(); 173f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 174c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // [mPrevBound, mNextBound] is the range of index for all pictures in the 175c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // model, if we assume the index of current focused picture is 0. So if 176c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // there are some previous pictures, mPrevBound < 0, and if there are some 177c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // next pictures, mNextBound > 0. 178c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang private int mPrevBound; 179c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang private int mNextBound; 180c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang 1812c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang // This variable prevents us doing snapback until its values goes to 0. This 1822c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang // happens if the user gesture is still in progress or we are in a capture 1832c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang // animation. 1842c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang private int mHolding; 1852c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang private static final int HOLD_TOUCH_DOWN = 1; 18618958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang private static final int HOLD_CAPTURE_ANIMATION = 2; 1872c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang 188f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin public PhotoView(GalleryActivity activity) { 189f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mTileView = new TileImageView(activity); 190f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin addComponent(mTileView); 191f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin Context context = activity.getAndroidContext(); 192532d93caddc91a7aa33ca113adbc0b8255d498ebChih-Chung Chang mEdgeView = new EdgeView(context); 193532d93caddc91a7aa33ca113adbc0b8255d498ebChih-Chung Chang addComponent(mEdgeView); 194f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mLoadingSpinner = new ProgressSpinner(context); 195f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mLoadingText = StringTexture.newInstance( 196f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin context.getString(R.string.loading), 197f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin DEFAULT_TEXT_SIZE, Color.WHITE); 198f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mNoThumbnailText = StringTexture.newInstance( 199f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin context.getString(R.string.no_thumbnail), 200f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin DEFAULT_TEXT_SIZE, Color.WHITE); 201f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 202b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mHandler = new MyHandler(activity.getGLRoot()); 203f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 2046575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang mGestureListener = new MyGestureListener(); 2056575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang mGestureRecognizer = new GestureRecognizer(context, mGestureListener); 206f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 207b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController = new PositionController(context, 208b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang new PositionController.Listener() { 209b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void invalidate() { 210b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang PhotoView.this.invalidate(); 211b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 2122c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang public boolean isHolding() { 21318958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang return mHolding != 0; 214b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 215b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void onPull(int offset, int direction) { 216b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mEdgeView.onPull(offset, direction); 217b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 218b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void onRelease() { 219b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mEdgeView.onRelease(); 220b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 221b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void onAbsorb(int velocity, int direction) { 222b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mEdgeView.onAbsorb(velocity, direction); 223b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 224b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang }); 225f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mVideoPlayIcon = new ResourceTexture(context, R.drawable.ic_control_play); 226b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang Arrays.fill(mDataVersion, INVALID_DATA_VERSION); 227b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang for (int i = -SCREEN_NAIL_MAX; i <= SCREEN_NAIL_MAX; i++) { 228b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (i == 0) { 229b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPictures.put(i, new FullPicture()); 230cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } else { 231b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPictures.put(i, new ScreenNailPicture(i)); 232cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } 233f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 234f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 235f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 236b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void setModel(Model model) { 237b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mModel = model; 238b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mTileView.setModel(mModel); 239f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 240f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 241b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang class MyHandler extends SynchronizedHandler { 242b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public MyHandler(GLRoot root) { 243b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang super(root); 244f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 245f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 246b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang @Override 247b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void handleMessage(Message message) { 248b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang switch (message.what) { 249b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang case MSG_SHOW_LOADING: { 250b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mLoadingState == LOADING_INIT) { 251b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // We don't need the opening animation 252b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController.setOpenAnimationRect(null); 253b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 254b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mLoadingSpinner.startAnimation(); 255b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mLoadingState = LOADING_TIMEOUT; 256b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang invalidate(); 257b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 258b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang break; 259f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 260b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang case MSG_CANCEL_EXTRA_SCALING: { 261b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mGestureRecognizer.cancelScale(); 262b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController.setExtraScalingRange(false); 263b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mCancelExtraScalingPending = false; 264b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang break; 265b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 266b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang case MSG_SWITCH_FOCUS: { 267b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang switchFocus(); 268b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang break; 269b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 2702c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang case MSG_CAPTURE_ANIMATION_DONE: { 271bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // message.arg1 is the offset parameter passed to 272bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // switchWithCaptureAnimation(). 273bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang captureAnimationDone(message.arg1); 2742c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang break; 2752c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } 276b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang default: throw new AssertionError(message.what); 277f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 278f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 279b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang }; 280f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 281f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin private void updateLoadingState() { 282f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin // Possible transitions of mLoadingState: 283f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin // INIT --> TIMEOUT, COMPLETE, FAIL 284f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin // TIMEOUT --> COMPLETE, FAIL, INIT 285f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin // COMPLETE --> INIT 286f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin // FAIL --> INIT 28715b351a22d02e89d882fc9fe32b3f4c512080e0aChih-Chung Chang if (mModel.getLevelCount() != 0 || mModel.getScreenNail() != null) { 288f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mHandler.removeMessages(MSG_SHOW_LOADING); 289f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mLoadingState = LOADING_COMPLETE; 290f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } else if (mModel.isFailedToLoad()) { 291f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mHandler.removeMessages(MSG_SHOW_LOADING); 292f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mLoadingState = LOADING_FAIL; 293a7b78e224b1808895ea2c3d42ae385526dea12aaYuli Huang // We don't want the opening animation after loading failure 294b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController.setOpenAnimationRect(null); 295f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } else if (mLoadingState != LOADING_INIT) { 296f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mLoadingState = LOADING_INIT; 297f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mHandler.removeMessages(MSG_SHOW_LOADING); 298f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mHandler.sendEmptyMessageDelayed( 299f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin MSG_SHOW_LOADING, DELAY_SHOW_LOADING); 300f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 301f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 302f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 303b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 304b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Data/Image change notifications 305b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 306b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 307c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang public void notifyDataChange(long[] versions, int prevBound, int nextBound) { 308c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang mPrevBound = prevBound; 309c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang mNextBound = nextBound; 310c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang 311b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Check if the data version actually changed. 312b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang boolean changed = false; 313b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int N = 2 * SCREEN_NAIL_MAX + 1; 314b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang for (int i = 0; i < N; i++) { 315b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (versions[i] != mDataVersion[i]) { 316b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang changed = true; 317b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang break; 318b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 319f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 320b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (!changed) return; 321f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 322b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Create the mFromIndex array, which records the index where the picture 323b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // come from. The value Integer.MAX_VALUE means it's a new picture. 324b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang for (int i = 0; i < N; i++) { 325b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang long v = versions[i]; 326b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (v == INVALID_DATA_VERSION) { 327b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mFromIndex[i] = Integer.MAX_VALUE; 328b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang continue; 329b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 330f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 331b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Try to find the same version number in the old array 332b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int j; 333b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang for (j = 0; j < N; j++) { 334b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mDataVersion[j] == v) { 335b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang break; 336b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 337f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 338b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mFromIndex[i] = (j < N) ? j - SCREEN_NAIL_MAX : Integer.MAX_VALUE; 339f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 340b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 341b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Copy the new data version 342b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang for (int i = 0; i < N; i++) { 343b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mDataVersion[i] = versions[i]; 344b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 345b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 346b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Move the boxes 347bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mPositionController.moveBox(mFromIndex, mPrevBound < 0, mNextBound > 0, 348bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mModel.isCamera(0)); 349b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 350b8be1e0ad76b6abc0da7ead39f7a9811195d001eChih-Chung Chang // Update the ScreenNails. 351b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang for (int i = -SCREEN_NAIL_MAX; i <= SCREEN_NAIL_MAX; i++) { 352b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPictures.get(i).reload(); 353b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 354b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 355b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang invalidate(); 356f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 357f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 358b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void notifyImageChange(int index) { 359b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPictures.get(index).reload(); 360b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang invalidate(); 361f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 362f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 363bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang @Override 364bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang protected void onOrient(int displayRotation, int compensation) { 365bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // onLayout will be called soon. We need to change the size and rotation 366bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // of the Camera ScreenNail, but we don't want it start moving because 367bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // the view size will be changed soon. 368bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mDisplayRotation = displayRotation; 369bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mCompensation = compensation; 370bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang for (int i = -SCREEN_NAIL_MAX; i <= SCREEN_NAIL_MAX; i++) { 371bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang Picture p = mPictures.get(i); 372bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (p.isCamera()) { 373bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang p.updateSize(true); 374bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 375bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 376bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 377bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 378bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang @Override 379bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang protected void onLayout( 380bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang boolean changeSize, int left, int top, int right, int bottom) { 381bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mTileView.layout(left, top, right, bottom); 382bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mEdgeView.layout(left, top, right, bottom); 383bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang updateConstrainedFrame(); 384bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (changeSize) { 385bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mPositionController.setViewSize(getWidth(), getHeight()); 386bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 387bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 388bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 389bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // Update the constrained frame due to layout change. 390bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang private void updateConstrainedFrame() { 391bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang int w = getWidth(); 392bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang int h = getHeight(); 393bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang int rotation = getCameraRotation(); 394bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (rotation % 180 != 0) { 395bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang int tmp = w; 396bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang w = h; 397bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang h = tmp; 398bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 399bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 400bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang int l = mCameraNaturalFrame.left; 401bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang int t = mCameraNaturalFrame.top; 402bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang int r = mCameraNaturalFrame.right; 403bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang int b = mCameraNaturalFrame.bottom; 404bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 405bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang switch (rotation) { 406bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang case 0: mCameraRect.set(l, t, r, b); break; 407bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang case 90: mCameraRect.set(h - b, l, h - t, r); break; 408bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang case 180: mCameraRect.set(w - r, h - b, w - l, h - t); break; 409bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang case 270: mCameraRect.set(t, w - r, b, w - l); break; 410bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 411bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 412bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mPositionController.setConstrainedFrame(mCameraRect); 413bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 414bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 415bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public void setCameraNaturalFrame(Rect frame) { 416bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mCameraNaturalFrame.set(frame); 417bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 418bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 419bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // Returns the rotation we need to do to the camera texture before drawing 420bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // it to the canvas, assuming the camera texture is correct when the device 421bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // is in its natural orientation. 422bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang private int getCameraRotation() { 423bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang return (mCompensation - mDisplayRotation + 360) % 360; 424bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 425bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 426b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 427b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Pictures 428b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 429b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 430b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private interface Picture { 431b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang void reload(); 432b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang void draw(GLCanvas canvas, Rect r); 433b8be1e0ad76b6abc0da7ead39f7a9811195d001eChih-Chung Chang void setScreenNail(ScreenNail s); 4342c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang boolean isCamera(); // whether the picture is a camera preview 435bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang void updateSize(boolean force); // called when mCompensation changes 436b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang }; 437f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 438b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang class FullPicture implements Picture { 439b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private int mRotation; 4402c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang private boolean mIsCamera; 441d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang private boolean mIsVideo; 442bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang private boolean mWasCameraCenter; 443b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 444b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void FullPicture(TileImageView tileView) { 445b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mTileView = tileView; 446f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 447f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 448b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang @Override 449b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void reload() { 450b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // mImageWidth and mImageHeight will get updated 451b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mTileView.notifyModelInvalidated(); 452b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 453bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mIsCamera = mModel.isCamera(0); 454d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang mIsVideo = mModel.isVideo(0); 455bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang setScreenNail(mModel.getScreenNail(0)); 456bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang updateSize(false); 457bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang updateLoadingState(); 458bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 459bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 460bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang @Override 461bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public void updateSize(boolean force) { 462bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (mIsCamera) { 463bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mRotation = getCameraRotation(); 464bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } else { 465bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mRotation = mModel.getImageRotation(0); 466bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 467bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 468c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang int w = mTileView.mImageWidth; 469c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang int h = mTileView.mImageHeight; 470c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang mPositionController.setImageSize(0, 471c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang getRotated(mRotation, w, h), 472bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang getRotated(mRotation, h, w), 473bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang force); 474f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 475f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 476b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang @Override 477b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void draw(GLCanvas canvas, Rect r) { 478bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang boolean isCenter = mPositionController.isCenter(); 479bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 480b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mLoadingState == LOADING_COMPLETE) { 481d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang drawTileView(canvas, r); 482b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 483b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang renderMessage(canvas, r.centerX(), r.centerY()); 484cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 485aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang if (mIsCamera) { 486aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang boolean full = !mFilmMode && isCenter 487aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang && mPositionController.isAtMinimalScale(); 488aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang if (full != mFullScreen) { 489aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang mFullScreen = full; 490aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang mListener.onFullScreenChanged(full); 491aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang } 492aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang } 493aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang 494bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // We want to have the following transitions: 4952c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang // (1) Move camera preview out of its place: switch to film mode 4962c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang // (2) Move camera preview into its place: switch to page mode 4972c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang // The extra mWasCenter check makes sure (1) does not apply if in 4982c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang // page mode, we move _to_ the camera preview from another picture. 499bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 500bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // Holdings except touch-down prevent the transitions. 50118958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang if ((mHolding & ~HOLD_TOUCH_DOWN) != 0) return; 502bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 503bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang boolean isCameraCenter = mIsCamera && isCenter; 504bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 505bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (mWasCameraCenter && mIsCamera && !isCenter && !mFilmMode) { 50618958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang // Temporary disabled to de-emphasize filmstrip. 50718958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang // setFilmMode(true); 50818958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang } else if (!mWasCameraCenter && isCameraCenter && mFilmMode) { 509bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang setFilmMode(false); 510aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang } 511aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang 512aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang if (isCenter && !mFilmMode) { 513aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang if (mIsCamera) { 514aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang // move into camera, lock 515aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang mListener.lockOrientation(); // Transition A 516aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang } else { 517aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang // move out of camera, unlock 518aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang mListener.unlockOrientation(); // Transition B 519aeb3062e84ed28f0e25a73f511f287ae0a3e4294Chih-Chung Chang } 520bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 521bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 522bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mWasCameraCenter = isCameraCenter; 523cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } 524cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 525b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang @Override 526b8be1e0ad76b6abc0da7ead39f7a9811195d001eChih-Chung Chang public void setScreenNail(ScreenNail s) { 527b8be1e0ad76b6abc0da7ead39f7a9811195d001eChih-Chung Chang mTileView.setScreenNail(s); 528cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } 529f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 530b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang @Override 5312c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang public boolean isCamera() { 5322c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang return mIsCamera; 533f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 534f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 535d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang private void drawTileView(GLCanvas canvas, Rect r) { 536ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang float imageScale = mPositionController.getImageScale(); 537b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int viewW = getWidth(); 538b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int viewH = getHeight(); 539d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang float cx = r.exactCenterX(); 540d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang float cy = r.exactCenterY(); 541ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang float scale = 1f; // the scaling factor due to card effect 542b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 543d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang canvas.save(GLCanvas.SAVE_FLAG_MATRIX | GLCanvas.SAVE_FLAG_ALPHA); 544ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang float filmRatio = mPositionController.getFilmRatio(); 545ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang boolean wantsCardEffect = CARD_EFFECT && !mIsCamera 546ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang && filmRatio != 1f && !mPictures.get(-1).isCamera(); 5472c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (wantsCardEffect) { 548b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Calculate the move-out progress value. 549b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int left = r.left; 550b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int right = r.right; 551b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang float progress = calculateMoveOutProgress(left, right, viewW); 552b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang progress = Utils.clamp(progress, -1f, 1f); 553b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 554b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // We only want to apply the fading animation if the scrolling 555b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // movement is to the right. 556bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (progress < 0) { 557ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang scale = getScrollScale(progress); 558ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang float alpha = getScrollAlpha(progress); 559ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang scale = interpolate(filmRatio, scale, 1f); 560ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang alpha = interpolate(filmRatio, alpha, 1f); 561d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang 562ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang imageScale *= scale; 563ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang canvas.multiplyAlpha(alpha); 564ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang 565ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang float cxPage; // the cx value in page mode 566d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang if (right - left <= viewW) { 567b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // If the picture is narrower than the view, keep it at 568b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // the center of the view. 569ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang cxPage = viewW / 2f; 570b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } else { 571b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // If the picture is wider than the view (it's 572b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // zoomed-in), keep the left edge of the object align 573b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // the the left edge of the view. 574ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang cxPage = (right - left) * scale / 2f; 575b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 576ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang cx = interpolate(filmRatio, cxPage, cx); 577b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 578b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 579f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 580d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang // Draw the tile view. 581ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang setTileViewPosition(cx, cy, viewW, viewH, imageScale); 582d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang PhotoView.super.render(canvas); 583d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang 584d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang // Draw the play video icon. 585d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang if (mIsVideo) { 586d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang canvas.translate((int) (cx + 0.5f), (int) (cy + 0.5f)); 587ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang int s = (int) (scale * Math.min(r.width(), r.height()) + 0.5f); 588d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang drawVideoPlayIcon(canvas, s); 589d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang } 590d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang 591d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang canvas.restore(); 592d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang } 593d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang 594d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang // Set the position of the tile view 595d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang private void setTileViewPosition(float cx, float cy, 596d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang int viewW, int viewH, float scale) { 597d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang // Find out the bitmap coordinates of the center of the view 598d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang int imageW = mPositionController.getImageWidth(); 599d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang int imageH = mPositionController.getImageHeight(); 600d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang int centerX = (int) (imageW / 2f + (viewW / 2f - cx) / scale + 0.5f); 601d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang int centerY = (int) (imageH / 2f + (viewH / 2f - cy) / scale + 0.5f); 602d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang 603b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int inverseX = imageW - centerX; 604b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int inverseY = imageH - centerY; 605d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang int x, y; 606d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang switch (mRotation) { 607d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang case 0: x = centerX; y = centerY; break; 608d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang case 90: x = centerY; y = inverseX; break; 609d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang case 180: x = inverseX; y = inverseY; break; 610d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang case 270: x = inverseY; y = centerX; break; 611b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang default: 612d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang throw new RuntimeException(String.valueOf(mRotation)); 613b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 614d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang mTileView.setPosition(x, y, scale, mRotation); 615f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 616f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 617b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private void renderMessage(GLCanvas canvas, int x, int y) { 618b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Draw the progress spinner and the text below it 619b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // 620b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // (x, y) is where we put the center of the spinner. 621b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // s is the size of the video play icon, and we use s to layout text 622b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // because we want to keep the text at the same place when the video 623b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // play icon is shown instead of the spinner. 624b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int w = getWidth(); 625b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int h = getHeight(); 626d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang int s = Math.min(w, h) / ICON_RATIO; 627b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 628b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mLoadingState == LOADING_TIMEOUT) { 629b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang StringTexture m = mLoadingText; 630b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang ProgressSpinner p = mLoadingSpinner; 631b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang p.draw(canvas, x - p.getWidth() / 2, y - p.getHeight() / 2); 632b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang m.draw(canvas, x - m.getWidth() / 2, y + s / 2 + 5); 633b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang invalidate(); // we need to keep the spinner rotating 634b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } else if (mLoadingState == LOADING_FAIL) { 635b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang StringTexture m = mNoThumbnailText; 636b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang m.draw(canvas, x - m.getWidth() / 2, y + s / 2 + 5); 637b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 638f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 639b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Draw a debug indicator showing which picture has focus (index == 640b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // 0). 641b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // canvas.fillRect(x - 10, y - 10, 20, 20, 0x80FF00FF); 642f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 643f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 644f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 645b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private class ScreenNailPicture implements Picture { 646b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private int mIndex; 647b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private int mRotation; 648b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private ScreenNail mScreenNail; 649c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang private Size mSize = new Size(); 6502c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang private boolean mIsCamera; 651d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang private boolean mIsVideo; 652f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 653b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public ScreenNailPicture(int index) { 654b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mIndex = index; 655b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 656532d93caddc91a7aa33ca113adbc0b8255d498ebChih-Chung Chang 657b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang @Override 658b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void reload() { 659bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mIsCamera = mModel.isCamera(mIndex); 660d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang mIsVideo = mModel.isVideo(mIndex); 661c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang setScreenNail(mModel.getScreenNail(mIndex)); 662b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 663b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 664b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang @Override 665b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void draw(GLCanvas canvas, Rect r) { 666b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mScreenNail == null) { 667c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // Draw a placeholder rectange if there will be a picture in 668c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // this position. 669c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang if (mIndex >= mPrevBound && mIndex <= mNextBound) { 670c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang canvas.fillRect(r.left, r.top, r.width(), r.height(), 671c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang PLACEHOLDER_COLOR); 672c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang } 673b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return; 674f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 675b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (r.left >= getWidth() || r.right <= 0 || 676b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang r.top >= getHeight() || r.bottom <= 0) { 677b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mScreenNail.noDraw(); 678b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return; 679f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 680f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 681bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (mIsCamera && mFullScreen != false) { 682bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mFullScreen = false; 683bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mListener.onFullScreenChanged(false); 684bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 685bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 686ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang float filmRatio = mPositionController.getFilmRatio(); 687ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang boolean wantsCardEffect = CARD_EFFECT && mIndex > 0 688ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang && filmRatio != 1f && !mPictures.get(0).isCamera(); 689b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int w = getWidth(); 690ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang int cx = wantsCardEffect 691ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang ? (int) (interpolate(filmRatio, w / 2, r.centerX()) + 0.5f) 692ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang : r.centerX(); 693b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int cy = r.centerY(); 694ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang canvas.save(GLCanvas.SAVE_FLAG_MATRIX | GLCanvas.SAVE_FLAG_ALPHA); 695b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang canvas.translate(cx, cy); 6962c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (wantsCardEffect) { 697b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang float progress = (float) (w / 2 - r.centerX()) / w; 698b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang progress = Utils.clamp(progress, -1, 1); 699b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang float alpha = getScrollAlpha(progress); 700b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang float scale = getScrollScale(progress); 701ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang alpha = interpolate(filmRatio, alpha, 1f); 702ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang scale = interpolate(filmRatio, scale, 1f); 703b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang canvas.multiplyAlpha(alpha); 704b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang canvas.scale(scale, scale, 1); 705b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 706b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mRotation != 0) { 707b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang canvas.rotate(mRotation, 0, 0, 1); 708b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 709ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang int drawW = getRotated(mRotation, r.width(), r.height()); 710ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang int drawH = getRotated(mRotation, r.height(), r.width()); 711b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mScreenNail.draw(canvas, -drawW / 2, -drawH / 2, drawW, drawH); 712d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang if (mIsVideo) drawVideoPlayIcon(canvas, Math.min(drawW, drawH)); 713b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang canvas.restore(); 714b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 715f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 716b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang @Override 717b8be1e0ad76b6abc0da7ead39f7a9811195d001eChih-Chung Chang public void setScreenNail(ScreenNail s) { 718b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mScreenNail == s) return; 719b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mScreenNail = s; 720bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang updateSize(false); 721bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 722bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 723bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang @Override 724bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public void updateSize(boolean force) { 725bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (mIsCamera) { 726bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mRotation = getCameraRotation(); 727bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } else { 728bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mRotation = mModel.getImageRotation(mIndex); 729bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 730c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang 731c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang int w = 0, h = 0; 732b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mScreenNail != null) { 733bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang w = mScreenNail.getWidth(); 734bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang h = mScreenNail.getHeight(); 735c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang } else if (mModel != null) { 736c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // If we don't have ScreenNail available, we can still try to 737c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang // get the size information of it. 738c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang mModel.getImageSize(mIndex, mSize); 739c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang w = mSize.width; 740c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang h = mSize.height; 741b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 742c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang 743c3b2d478f9032a8decf5c6254a238fc49e41b72cChih-Chung Chang if (w != 0 && h != 0) { 744b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController.setImageSize(mIndex, 745b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang getRotated(mRotation, w, h), 746bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang getRotated(mRotation, h, w), 747bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang force); 748b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 749f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 750b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 751b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang @Override 7522c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang public boolean isCamera() { 7532c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang return mIsCamera; 754b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 755b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 756b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 757d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang // Draw the video play icon (in the place where the spinner was) 758d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang private void drawVideoPlayIcon(GLCanvas canvas, int side) { 759d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang int s = side / ICON_RATIO; 760d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang // Draw the video play icon at the center 761d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang mVideoPlayIcon.draw(canvas, -s / 2, -s / 2, s, s); 762d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang } 763d9355113da391f8bbddef1d2a2126ce6edc72291Chih-Chung Chang 764b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private static int getRotated(int degree, int original, int theother) { 765b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return (degree % 180 == 0) ? original : theother; 766b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 767b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 768b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 769b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Gestures Handling 770b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 771b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 772b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang @Override 773b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang protected boolean onTouch(MotionEvent event) { 774b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mGestureRecognizer.onTouchEvent(event); 775b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return true; 776f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 777f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 7783a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang private class MyGestureListener implements GestureRecognizer.Listener { 7793a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang private boolean mIgnoreUpEvent = false; 780099989b310d84fe13eff0cdf2902bb3fb0bcbd14Chih-Chung Chang // If we can change mode for this scale gesture. 781099989b310d84fe13eff0cdf2902bb3fb0bcbd14Chih-Chung Chang private boolean mCanChangeMode; 78218958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang // If we have changed the film mode in this scaling gesture. 783b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private boolean mModeChanged; 78433f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang // If this scaling gesture should be ignored. 78533f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang private boolean mIgnoreScalingGesture; 78617ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang // whether the down action happened while the view is scrolling. 78717ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang private boolean mDownInScrolling; 7886575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang // If we should ignore all gestures other than onSingleTapUp. 7896575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang private boolean mIgnoreSwipingGesture; 790b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 7913a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang @Override 7923a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang public boolean onSingleTapUp(float x, float y) { 793ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang // We do this in addition to onUp() because we want the snapback of 794ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang // setFilmMode to happen. 795ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang mHolding &= ~HOLD_TOUCH_DOWN; 796ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang 79717ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang if (mFilmMode && !mDownInScrolling) { 79817ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang switchToHitPicture((int) (x + 0.5f), (int) (y + 0.5f)); 799b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang setFilmMode(false); 80017ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang mIgnoreUpEvent = true; 801b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return true; 802b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 803b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 804bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (mListener != null) { 805bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mListener.onSingleTapUp((int) x, (int) y); 8063a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang } 8073a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang return true; 8083a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang } 8093a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang 8103a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang @Override 8113a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang public boolean onDoubleTap(float x, float y) { 8126575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang if (mIgnoreSwipingGesture) return true; 81361f94714c3702115d2f89bb5f8829697be0c3680Chih-Chung Chang if (mPictures.get(0).isCamera()) return false; 8143a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang PositionController controller = mPositionController; 815b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang float scale = controller.getImageScale(); 8163a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang // onDoubleTap happened on the second ACTION_DOWN. 8173a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang // We need to ignore the next UP event. 8183a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang mIgnoreUpEvent = true; 8193a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang if (scale <= 1.0f || controller.isAtMinimalScale()) { 8203a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang controller.zoomIn(x, y, Math.max(1.5f, scale * 1.5f)); 8213a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang } else { 8223a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang controller.resetToFullView(); 8233a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang } 8243a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang return true; 8253a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang } 826f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 827f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin @Override 8283a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang public boolean onScroll(float dx, float dy) { 8296575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang if (mIgnoreSwipingGesture) return true; 830b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController.startScroll(-dx, -dy); 831f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin return true; 832f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 833f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 834f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin @Override 8353a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang public boolean onFling(float velocityX, float velocityY) { 8366575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang if (mIgnoreSwipingGesture) return true; 8372ce3c3bfe08fff5aee58007cc8ba8f4a50861ae2Yuli Huang if (swipeImages(velocityX, velocityY)) { 838b3aab90bb37aa9cc60be32e05678ee55d6575ee8Chih-Chung Chang mIgnoreUpEvent = true; 839b3aab90bb37aa9cc60be32e05678ee55d6575ee8Chih-Chung Chang } else if (mPositionController.fling(velocityX, velocityY)) { 840b3aab90bb37aa9cc60be32e05678ee55d6575ee8Chih-Chung Chang mIgnoreUpEvent = true; 841f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 842f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin return true; 843f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 844f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 845f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin @Override 8463a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang public boolean onScaleBegin(float focusX, float focusY) { 8476575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang if (mIgnoreSwipingGesture) return true; 84833f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang // We ignore the scaling gesture if it is a camera preview. 84933f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang mIgnoreScalingGesture = mPictures.get(0).isCamera(); 85033f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang if (mIgnoreScalingGesture) { 85133f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang return true; 85233f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang } 8533a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang mPositionController.beginScale(focusX, focusY); 854099989b310d84fe13eff0cdf2902bb3fb0bcbd14Chih-Chung Chang // We can change mode if we are in film mode, or we are in page 855099989b310d84fe13eff0cdf2902bb3fb0bcbd14Chih-Chung Chang // mode and at minimal scale. 856099989b310d84fe13eff0cdf2902bb3fb0bcbd14Chih-Chung Chang mCanChangeMode = mFilmMode 857099989b310d84fe13eff0cdf2902bb3fb0bcbd14Chih-Chung Chang || mPositionController.isAtMinimalScale(); 858b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mModeChanged = false; 859f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin return true; 860f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 861f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 862f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin @Override 8633a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang public boolean onScale(float focusX, float focusY, float scale) { 8646575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang if (mIgnoreSwipingGesture) return true; 8656575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang if (mIgnoreScalingGesture) return true; 86618958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang if (mModeChanged) return true; 867b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (Float.isNaN(scale) || Float.isInfinite(scale)) return false; 86833f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang 86933f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang // We wait for the scale change accumulated to a large enough change 87033f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang // before reacting to it. Otherwise we may mistakenly treat a 87133f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang // zoom-in gesture as zoom-out or vice versa. 87218958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang if (scale > 0.99f && scale < 1.01f) return false; 87333f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang 874b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int outOfRange = mPositionController.scaleBy(scale, focusX, focusY); 875b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 87618958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang // If mode changes, we treat this scaling gesture has ended. 87718958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang if (mCanChangeMode) { 878b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if ((outOfRange < 0 && !mFilmMode) || 879b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang (outOfRange > 0 && mFilmMode)) { 88018958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang stopExtraScalingIfNeeded(); 88118958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang 88218958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang // Removing the touch down flag allows snapback to happen 88333f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang // for film mode change. 88418958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang mHolding &= ~HOLD_TOUCH_DOWN; 885b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang setFilmMode(!mFilmMode); 88618958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang 88718958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang // We need to call onScaleEnd() before setting mModeChanged 88818958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang // to true. 88918958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang onScaleEnd(); 890b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mModeChanged = true; 891b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return true; 892534b12fd804610dd67b8109bc08ba76f31afb33eChih-Chung Chang } 893b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 894b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 89518958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang if (outOfRange != 0) { 896b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang startExtraScalingIfNeeded(); 897534b12fd804610dd67b8109bc08ba76f31afb33eChih-Chung Chang } else { 898b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang stopExtraScalingIfNeeded(); 899534b12fd804610dd67b8109bc08ba76f31afb33eChih-Chung Chang } 900f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin return true; 901f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 902f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 90333f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang @Override 90433f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang public void onScaleEnd() { 9056575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang if (mIgnoreSwipingGesture) return; 9066575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang if (mIgnoreScalingGesture) return; 90733f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang if (mModeChanged) return; 90833f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang mPositionController.endScale(); 90933f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang } 91033f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang 911b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private void startExtraScalingIfNeeded() { 912b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (!mCancelExtraScalingPending) { 913b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mHandler.sendEmptyMessageDelayed( 914b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang MSG_CANCEL_EXTRA_SCALING, 700); 915b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController.setExtraScalingRange(true); 916b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mCancelExtraScalingPending = true; 917b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 918b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 919b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 920b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private void stopExtraScalingIfNeeded() { 921b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mCancelExtraScalingPending) { 922b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mHandler.removeMessages(MSG_CANCEL_EXTRA_SCALING); 923b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController.setExtraScalingRange(false); 924b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mCancelExtraScalingPending = false; 925b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 926b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 927b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 928f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin @Override 9293a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang public void onDown() { 9306575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang if (mIgnoreSwipingGesture) return; 9316575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang 9322c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang mHolding |= HOLD_TOUCH_DOWN; 93317ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang 93417ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang if (mFilmMode && mPositionController.isScrolling()) { 93517ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang mDownInScrolling = true; 93617ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang mPositionController.stopScrolling(); 93717ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang } else { 93817ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang mDownInScrolling = false; 93917ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang } 9403a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang } 9413a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang 9423a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang @Override 9433a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang public void onUp() { 9446575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang if (mIgnoreSwipingGesture) return; 9456575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang 94618958c51f1412d959d52500ceefc46f987d035f3Chih-Chung Chang mHolding &= ~HOLD_TOUCH_DOWN; 9473a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang mEdgeView.onRelease(); 9483a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang 9493a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang if (mIgnoreUpEvent) { 9503a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang mIgnoreUpEvent = false; 9513a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang return; 9523a02809c97669a157cf45bfd61d45272110d4091Chih-Chung Chang } 953b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 9542c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang snapback(); 955f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 9566575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang 9576575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang public void setSwipingEnabled(boolean enabled) { 9586575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang mIgnoreSwipingGesture = !enabled; 9596575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang } 9606575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang } 9616575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang 9626575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang public void setSwipingEnabled(boolean enabled) { 9636575794a9c09f22d5721e212c093e0a2df376d0cChih-Chung Chang mGestureListener.setSwipingEnabled(enabled); 964f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 965f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 966b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private void setFilmMode(boolean enabled) { 967b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mFilmMode == enabled) return; 968b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mFilmMode = enabled; 969b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController.setFilmMode(mFilmMode); 970b8be1e0ad76b6abc0da7ead39f7a9811195d001eChih-Chung Chang mModel.setNeedFullImage(!enabled); 97161f94714c3702115d2f89bb5f8829697be0c3680Chih-Chung Chang mListener.onActionBarAllowed(!enabled); 972bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 973bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // If we leave filmstrip mode, we should lock/unlock 974bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (!enabled) { 975bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (mPictures.get(0).isCamera()) { 976bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mListener.lockOrientation(); // Transition C 977bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } else { 978bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mListener.unlockOrientation(); // Transition D 979bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 980bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 981bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 982bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang 983bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public boolean getFilmMode() { 984bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang return mFilmMode; 985f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 986f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 987b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 988b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Framework events 989b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 990b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 991b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void pause() { 992b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController.skipAnimation(); 993b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mTileView.freeTextures(); 994b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang for (int i = -SCREEN_NAIL_MAX; i <= SCREEN_NAIL_MAX; i++) { 995b8be1e0ad76b6abc0da7ead39f7a9811195d001eChih-Chung Chang mPictures.get(i).setScreenNail(null); 996b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 997f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 998f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 999b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void resume() { 1000b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mTileView.prepareTextures(); 1001f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 1002f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 100333f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang // move to the camera preview and show controls after resume 100433f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang public void resetToFirstPicture() { 100533f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang mModel.moveTo(0); 100633f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang setFilmMode(false); 100733f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang } 100833f8567dd5003e4bb342683f3768ab7552648b02Chih-Chung Chang 1009b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1010b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Rendering 1011b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1012b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 1013b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang @Override 1014b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang protected void render(GLCanvas canvas) { 1015ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang float filmRatio = mPositionController.getFilmRatio(); 1016ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang 1017ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang // Draw next photos. In page mode, we draw only one next photo. 1018ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang int lastPhoto = (filmRatio == 0f) ? 1 : SCREEN_NAIL_MAX; 1019ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang for (int i = lastPhoto; i > 0; i--) { 1020b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang Rect r = mPositionController.getPosition(i); 1021b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPictures.get(i).draw(canvas, r); 1022b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 1023b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 1024b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Draw current photo 1025b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPictures.get(0).draw(canvas, mPositionController.getPosition(0)); 1026b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 1027ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang // Draw previous photos. In page mode, we draw only one previous photo. 1028ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang lastPhoto = (filmRatio == 0f) ? -1: -SCREEN_NAIL_MAX; 1029ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang for (int i = -1; i >= lastPhoto; i--) { 1030b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang Rect r = mPositionController.getPosition(i); 1031b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPictures.get(i).draw(canvas, r); 1032b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 1033b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 1034b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController.advanceAnimation(); 1035b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang checkFocusSwitching(); 1036ec4125492f17130f65e49160a17bd437e01128a7Chih-Chung Chang } 1037ec4125492f17130f65e49160a17bd437e01128a7Chih-Chung Chang 1038b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1039b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Film mode focus switching 1040b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1041f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1042b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Runs in GL thread. 1043b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private void checkFocusSwitching() { 1044b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (!mFilmMode) return; 1045b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mHandler.hasMessages(MSG_SWITCH_FOCUS)) return; 1046b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (switchPosition() != 0) { 1047b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mHandler.sendEmptyMessage(MSG_SWITCH_FOCUS); 1048f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 1049f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 1050f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1051b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Runs in main thread. 1052b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private void switchFocus() { 10532c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (mHolding != 0) return; 1054b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang switch (switchPosition()) { 1055b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang case -1: 1056b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang switchToPrevImage(); 1057b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang break; 1058b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang case 1: 1059b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang switchToNextImage(); 1060b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang break; 1061b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 1062f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 1063f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1064b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Returns -1 if we should switch focus to the previous picture, +1 if we 1065b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // should switch to the next, 0 otherwise. 1066b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private int switchPosition() { 1067b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang Rect curr = mPositionController.getPosition(0); 1068b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int center = getWidth() / 2; 1069f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 10702c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (curr.left > center && mPrevBound < 0) { 1071b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang Rect prev = mPositionController.getPosition(-1); 1072b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int currDist = curr.left - center; 1073b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int prevDist = center - prev.right; 1074b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (prevDist < currDist) { 1075b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return -1; 1076b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 10772c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } else if (curr.right < center && mNextBound > 0) { 1078b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang Rect next = mPositionController.getPosition(1); 1079b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int currDist = center - curr.right; 1080b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int nextDist = next.left - center; 1081b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (nextDist < currDist) { 1082b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return 1; 1083b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 1084b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 1085f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1086b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return 0; 1087f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 1088f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 108917ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang // Switch to the previous or next picture if the hit position is inside 109017ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang // one of their boxes. This runs in main thread. 109117ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang private void switchToHitPicture(int x, int y) { 109217ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang if (mPrevBound < 0) { 109317ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang Rect r = mPositionController.getPosition(-1); 109417ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang if (r.right >= x) { 109517ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang slideToPrevPicture(); 109617ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang return; 109717ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang } 109817ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang } 109917ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang 110017ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang if (mNextBound > 0) { 110117ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang Rect r = mPositionController.getPosition(1); 110217ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang if (r.left <= x) { 110317ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang slideToNextPicture(); 110417ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang return; 110517ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang } 110617ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang } 110717ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang } 110817ffedda6e3ed57b38afbb775594cf30d83fc652Chih-Chung Chang 1109b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1110b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Page mode focus switching 1111b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // 1112b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // We slide image to the next one or the previous one in two cases: 1: If 1113b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // the user did a fling gesture with enough velocity. 2 If the user has 1114b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // moved the picture a lot. 1115b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1116f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1117b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private boolean swipeImages(float velocityX, float velocityY) { 1118b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mFilmMode) return false; 1119f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1120b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Avoid swiping images if we're possibly flinging to view the 1121b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // zoomed in picture vertically. 1122b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang PositionController controller = mPositionController; 1123b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang boolean isMinimal = controller.isAtMinimalScale(); 1124b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int edges = controller.getImageAtEdges(); 1125b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (!isMinimal && Math.abs(velocityY) > Math.abs(velocityX)) 1126b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if ((edges & PositionController.IMAGE_AT_TOP_EDGE) == 0 1127b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang || (edges & PositionController.IMAGE_AT_BOTTOM_EDGE) == 0) 1128b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return false; 1129f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1130b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // If we are at the edge of the current photo and the sweeping velocity 1131b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // exceeds the threshold, slide to the next / previous image. 1132b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (velocityX < -SWIPE_THRESHOLD && (isMinimal 1133b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang || (edges & PositionController.IMAGE_AT_RIGHT_EDGE) != 0)) { 1134b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return slideToNextPicture(); 1135b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } else if (velocityX > SWIPE_THRESHOLD && (isMinimal 1136b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang || (edges & PositionController.IMAGE_AT_LEFT_EDGE) != 0)) { 1137b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return slideToPrevPicture(); 1138f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 1139f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1140b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return false; 1141b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 1142b29a27f475a2c449abdda8d4e03d30914feed8c6Chih-Chung Chang 11432c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang private void snapback() { 11442c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (mHolding != 0) return; 11452c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (!snapToNeighborImage()) { 11462c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang mPositionController.snapback(); 11472c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } 11482c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } 11492c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang 1150b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private boolean snapToNeighborImage() { 1151b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (mFilmMode) return false; 1152f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1153b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang Rect r = mPositionController.getPosition(0); 1154b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int viewW = getWidth(); 1155b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang int threshold = MOVE_THRESHOLD + gapToSide(r.width(), viewW); 1156f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1157b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // If we have moved the picture a lot, switching. 1158b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang if (viewW - r.right > threshold) { 1159b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return slideToNextPicture(); 1160b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } else if (r.left > threshold) { 1161b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return slideToPrevPicture(); 1162f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 1163f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1164b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return false; 1165b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 1166f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1167b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private boolean slideToNextPicture() { 11682c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (mNextBound <= 0) return false; 1169b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang switchToNextImage(); 11702c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang mPositionController.startHorizontalSlide(); 1171b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return true; 1172b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 1173676170e619ad59ea97d04e0edcd62b1500304845Chih-Chung Chang 1174b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private boolean slideToPrevPicture() { 11752c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (mPrevBound >= 0) return false; 1176b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang switchToPrevImage(); 11772c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang mPositionController.startHorizontalSlide(); 1178b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return true; 1179b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 1180676170e619ad59ea97d04e0edcd62b1500304845Chih-Chung Chang 1181b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private static int gapToSide(int imageWidth, int viewWidth) { 1182b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang return Math.max(0, (viewWidth - imageWidth) / 2); 1183b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 1184f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1185b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1186b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Focus switching 1187b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1188f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1189b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private void switchToNextImage() { 1190bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mModel.moveTo(mModel.getCurrentIndex() + 1); 1191b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 119215b351a22d02e89d882fc9fe32b3f4c512080e0aChih-Chung Chang 1193b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang private void switchToPrevImage() { 1194bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mModel.moveTo(mModel.getCurrentIndex() - 1); 1195b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang } 1196cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1197160e6d776daab93610b3d12413ad9ff2dd867d8bChih-Chung Chang private void switchToFirstImage() { 1198bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mModel.moveTo(0); 1199160e6d776daab93610b3d12413ad9ff2dd867d8bChih-Chung Chang } 1200160e6d776daab93610b3d12413ad9ff2dd867d8bChih-Chung Chang 1201b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1202b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Opening Animation 1203b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1204b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 1205b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang public void setOpenAnimationRect(Rect rect) { 1206b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang mPositionController.setOpenAnimationRect(rect); 1207cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } 120815b351a22d02e89d882fc9fe32b3f4c512080e0aChih-Chung Chang 1209b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 12102c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang // Capture Animation 12112c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang //////////////////////////////////////////////////////////////////////////// 12122c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang 12132c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang public boolean switchWithCaptureAnimation(int offset) { 12142c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang GLRoot root = getGLRoot(); 12152c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang root.lockRenderThread(); 12162c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang try { 12172c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang return switchWithCaptureAnimationLocked(offset); 12182c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } finally { 12192c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang root.unlockRenderThread(); 12202c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } 12212c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } 12222c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang 12232c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang private boolean switchWithCaptureAnimationLocked(int offset) { 12242c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (mHolding != 0) return true; 12252c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (offset == 1) { 12262c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (mNextBound <= 0) return false; 122761f94714c3702115d2f89bb5f8829697be0c3680Chih-Chung Chang // Temporary disable action bar until the capture animation is done. 122861f94714c3702115d2f89bb5f8829697be0c3680Chih-Chung Chang if (!mFilmMode) mListener.onActionBarAllowed(false); 12292c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang switchToNextImage(); 12302c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang mPositionController.startCaptureAnimationSlide(-1); 12312c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } else if (offset == -1) { 12322c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang if (mPrevBound >= 0) return false; 1233160e6d776daab93610b3d12413ad9ff2dd867d8bChih-Chung Chang switchToFirstImage(); 12342c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang mPositionController.startCaptureAnimationSlide(1); 12352c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } else { 12362c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang return false; 12372c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } 12382c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang mHolding |= HOLD_CAPTURE_ANIMATION; 1239bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang Message m = mHandler.obtainMessage(MSG_CAPTURE_ANIMATION_DONE, offset, 0); 1240bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mHandler.sendMessageDelayed(m, 800); 12412c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang return true; 12422c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } 12432c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang 1244bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang private void captureAnimationDone(int offset) { 12452c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang mHolding &= ~HOLD_CAPTURE_ANIMATION; 1246bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (offset == 1) { 1247bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // move out of camera, unlock 124861f94714c3702115d2f89bb5f8829697be0c3680Chih-Chung Chang if (!mFilmMode) { 124961f94714c3702115d2f89bb5f8829697be0c3680Chih-Chung Chang // Now the capture animation is done, enable the action bar. 125061f94714c3702115d2f89bb5f8829697be0c3680Chih-Chung Chang mListener.onActionBarAllowed(true); 125161f94714c3702115d2f89bb5f8829697be0c3680Chih-Chung Chang } 1252bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 12532c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang snapback(); 12542c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang } 12552c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang 12562c6173822a612597c79be41b126367ddfbb5d518Chih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1257b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Card deck effect calculation 1258b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1259b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang 1260cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // Returns the scrolling progress value for an object moving out of a 1261cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // view. The progress value measures how much the object has moving out of 1262cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // the view. The object currently displays in [left, right), and the view is 1263cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // at [0, viewWidth]. 1264cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // 1265cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // The returned value is negative when the object is moving right, and 1266cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // positive when the object is moving left. The value goes to -1 or 1 when 1267cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // the object just moves out of the view completely. The value is 0 if the 1268cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // object currently fills the view. 1269cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang private static float calculateMoveOutProgress(int left, int right, 1270cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang int viewWidth) { 1271cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // w = object width 1272cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // viewWidth = view width 1273cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang int w = right - left; 1274cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1275cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // If the object width is smaller than the view width, 1276cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // |....view....| 1277cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // |<-->| progress = -1 when left = viewWidth 1278bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang // |<-->| progress = 0 when left = viewWidth / 2 - w / 2 1279cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // |<-->| progress = 1 when left = -w 1280cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang if (w < viewWidth) { 1281bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang int zx = viewWidth / 2 - w / 2; 1282bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang if (left > zx) { 1283bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang return -(left - zx) / (float) (viewWidth - zx); // progress = (0, -1] 1284bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } else { 1285bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang return (left - zx) / (float) (-w - zx); // progress = [0, 1] 1286bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang } 1287cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } 1288cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1289cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // If the object width is larger than the view width, 1290cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // |..view..| 1291cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // |<--------->| progress = -1 when left = viewWidth 1292cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // |<--------->| progress = 0 between left = 0 1293cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // |<--------->| and right = viewWidth 1294cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // |<--------->| progress = 1 when right = 0 1295cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang if (left > 0) { 1296cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang return -left / (float) viewWidth; 1297cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } 1298cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1299cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang if (right < viewWidth) { 1300cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang return (viewWidth - right) / (float) viewWidth; 1301cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } 1302cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1303cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang return 0; 1304cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } 1305cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1306cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // Maps a scrolling progress value to the alpha factor in the fading 1307cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // animation. 1308cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang private float getScrollAlpha(float scrollProgress) { 1309cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang return scrollProgress < 0 ? mAlphaInterpolator.getInterpolation( 1310cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1 - Math.abs(scrollProgress)) : 1.0f; 1311cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } 1312cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1313cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // Maps a scrolling progress value to the scaling factor in the fading 1314cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // animation. 1315cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang private float getScrollScale(float scrollProgress) { 1316cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang float interpolatedProgress = mScaleInterpolator.getInterpolation( 1317cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang Math.abs(scrollProgress)); 1318cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang float scale = (1 - interpolatedProgress) + 1319cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang interpolatedProgress * TRANSITION_SCALE_FACTOR; 1320cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang return scale; 1321cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } 1322cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1323cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1324cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // This interpolator emulates the rate at which the perceived scale of an 1325cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // object changes as its distance from a camera increases. When this 1326cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // interpolator is applied to a scale animation on a view, it evokes the 1327cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang // sense that the object is shrinking due to moving away from the camera. 1328cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang private static class ZInterpolator { 1329cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang private float focalLength; 1330cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1331cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang public ZInterpolator(float foc) { 1332cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang focalLength = foc; 1333cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang } 1334cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang 1335cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang public float getInterpolation(float input) { 1336cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang return (1.0f - focalLength / (focalLength + input)) / 1337cb4fb7c19f20405fb5e08513e6297dffce824118Chih-Chung Chang (1.0f - focalLength / (focalLength + 1.0f)); 1338f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 1339f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 1340f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1341ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang // Returns an interpolated value for the page/film transition. 1342ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang // When ratio = 0, the result is from. 1343ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang // When ratio = 1, the result is to. 1344ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang private static float interpolate(float ratio, float from, float to) { 1345ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang return from + (to - from) * ratio * ratio; 1346ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang } 1347ba12eae90b5b1a80ee002aa0df8c5c5189c4faa3Chih-Chung Chang 1348b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1349b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang // Simple public utilities 1350b7ec5534c7b539be2397c27cfa5e8b992974c12dChih-Chung Chang //////////////////////////////////////////////////////////////////////////// 1351f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 1352bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang public void setListener(Listener listener) { 1353bd141b5a51c96f6fcaddfa547f0928ce69cf0755Chih-Chung Chang mListener = listener; 1354f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 1355f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin} 1356