AlbumPage.java revision 624ed9df710ac4e34f3ff1d0c3bf4acd1c056258 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.gallery3d.app;
18
19import android.app.Activity;
20import android.content.Context;
21import android.content.Intent;
22import android.graphics.Rect;
23import android.net.Uri;
24import android.os.Bundle;
25import android.os.Vibrator;
26import android.provider.MediaStore;
27import android.widget.Toast;
28
29import com.actionbarsherlock.view.Menu;
30import com.actionbarsherlock.view.MenuInflater;
31import com.actionbarsherlock.view.MenuItem;
32import com.android.gallery3d.R;
33import com.android.gallery3d.common.Utils;
34import com.android.gallery3d.data.DataManager;
35import com.android.gallery3d.data.MediaDetails;
36import com.android.gallery3d.data.MediaItem;
37import com.android.gallery3d.data.MediaObject;
38import com.android.gallery3d.data.MediaSet;
39import com.android.gallery3d.data.MtpDevice;
40import com.android.gallery3d.data.Path;
41import com.android.gallery3d.ui.ActionModeHandler;
42import com.android.gallery3d.ui.ActionModeHandler.ActionModeListener;
43import com.android.gallery3d.ui.AlbumSlotRenderer;
44import com.android.gallery3d.ui.DetailsHelper;
45import com.android.gallery3d.ui.DetailsHelper.CloseListener;
46import com.android.gallery3d.ui.GLCanvas;
47import com.android.gallery3d.ui.GLRoot;
48import com.android.gallery3d.ui.GLView;
49import com.android.gallery3d.ui.PhotoFallbackEffect;
50import com.android.gallery3d.ui.PreparePageFadeoutTexture;
51import com.android.gallery3d.ui.RelativePosition;
52import com.android.gallery3d.ui.SelectionManager;
53import com.android.gallery3d.ui.SlotView;
54import com.android.gallery3d.util.Future;
55import com.android.gallery3d.util.GalleryUtils;
56import com.android.gallery3d.util.MediaSetUtils;
57
58public class AlbumPage extends ActivityState implements GalleryActionBar.ClusterRunner,
59        SelectionManager.SelectionListener, MediaSet.SyncListener {
60    @SuppressWarnings("unused")
61    private static final String TAG = "AlbumPage";
62
63    public static final String KEY_MEDIA_PATH = "media-path";
64    public static final String KEY_PARENT_MEDIA_PATH = "parent-media-path";
65    public static final String KEY_SET_CENTER = "set-center";
66    public static final String KEY_AUTO_SELECT_ALL = "auto-select-all";
67    public static final String KEY_SHOW_CLUSTER_MENU = "cluster-menu";
68    public static final String KEY_EMPTY_ALBUM = "empty-album";
69    public static final String KEY_RESUME_ANIMATION = "resume_animation";
70
71    private static final int REQUEST_SLIDESHOW = 1;
72    public static final int REQUEST_PHOTO = 2;
73    private static final int REQUEST_DO_ANIMATION = 3;
74
75    private static final int BIT_LOADING_RELOAD = 1;
76    private static final int BIT_LOADING_SYNC = 2;
77
78    private static final float USER_DISTANCE_METER = 0.3f;
79
80    private boolean mIsActive = false;
81    private AlbumSlotRenderer mAlbumView;
82    private Path mMediaSetPath;
83    private String mParentMediaSetString;
84    private SlotView mSlotView;
85
86    private AlbumDataLoader mAlbumDataAdapter;
87
88    protected SelectionManager mSelectionManager;
89    private Vibrator mVibrator;
90
91    private boolean mGetContent;
92    private boolean mShowClusterMenu;
93
94    private ActionModeHandler mActionModeHandler;
95    private int mFocusIndex = 0;
96    private DetailsHelper mDetailsHelper;
97    private MyDetailsSource mDetailsSource;
98    private MediaSet mMediaSet;
99    private boolean mShowDetails;
100    private float mUserDistance; // in pixel
101    private Future<Integer> mSyncTask = null;
102    private boolean mLaunchedFromPhotoPage;
103    private boolean mInCameraApp;
104
105    private int mLoadingBits = 0;
106    private boolean mInitialSynced = false;
107    private RelativePosition mOpenCenter = new RelativePosition();
108
109    private PhotoFallbackEffect mResumeEffect;
110    private PhotoFallbackEffect.PositionProvider mPositionProvider =
111            new PhotoFallbackEffect.PositionProvider() {
112        @Override
113        public Rect getPosition(int index) {
114            Rect rect = mSlotView.getSlotRect(index);
115            Rect bounds = mSlotView.bounds();
116            rect.offset(bounds.left - mSlotView.getScrollX(),
117                    bounds.top - mSlotView.getScrollY());
118            return rect;
119        }
120
121        @Override
122        public int getItemIndex(Path path) {
123            int start = mSlotView.getVisibleStart();
124            int end = mSlotView.getVisibleEnd();
125            for (int i = start; i < end; ++i) {
126                MediaItem item = mAlbumDataAdapter.get(i);
127                if (item != null && item.getPath() == path) return i;
128            }
129            return -1;
130        }
131    };
132
133    @Override
134    protected int getBackgroundColorId() {
135        return R.color.album_background;
136    }
137
138    private final GLView mRootPane = new GLView() {
139        private final float mMatrix[] = new float[16];
140
141        @Override
142        protected void renderBackground(GLCanvas view) {
143            view.clearBuffer(getBackgroundColor());
144        }
145
146        @Override
147        protected void onLayout(
148                boolean changed, int left, int top, int right, int bottom) {
149
150            int slotViewTop = mActivity.getGalleryActionBar().getHeight();
151            int slotViewBottom = bottom - top;
152            int slotViewRight = right - left;
153
154            if (mShowDetails) {
155                mDetailsHelper.layout(left, slotViewTop, right, bottom);
156            } else {
157                mAlbumView.setHighlightItemPath(null);
158            }
159
160            // Set the mSlotView as a reference point to the open animation
161            mOpenCenter.setReferencePosition(0, slotViewTop);
162            mSlotView.layout(0, slotViewTop, slotViewRight, slotViewBottom);
163            GalleryUtils.setViewPointMatrix(mMatrix,
164                    (right - left) / 2, (bottom - top) / 2, -mUserDistance);
165        }
166
167        @Override
168        protected void render(GLCanvas canvas) {
169            canvas.save(GLCanvas.SAVE_FLAG_MATRIX);
170            canvas.multiplyMatrix(mMatrix, 0);
171            super.render(canvas);
172
173            if (mResumeEffect != null) {
174                boolean more = mResumeEffect.draw(canvas);
175                if (!more) {
176                    mResumeEffect = null;
177                    mAlbumView.setSlotFilter(null);
178                }
179                // We want to render one more time even when no more effect
180                // required. So that the animated thumbnails could be draw
181                // with declarations in super.render().
182                invalidate();
183            }
184            canvas.restore();
185        }
186    };
187
188    // This are the transitions we want:
189    //
190    // +--------+           +------------+    +-------+    +----------+
191    // | Camera |---------->| Fullscreen |--->| Album |--->| AlbumSet |
192    // |  View  | thumbnail |   Photo    | up | Page  | up |   Page   |
193    // +--------+           +------------+    +-------+    +----------+
194    //     ^                      |               |            ^  |
195    //     |                      |               |            |  |         close
196    //     +----------back--------+               +----back----+  +--back->  app
197    //
198    @Override
199    protected void onBackPressed() {
200        if (mShowDetails) {
201            hideDetails();
202        } else if (mSelectionManager.inSelectionMode()) {
203            mSelectionManager.leaveSelectionMode();
204        } else {
205            if(mLaunchedFromPhotoPage) {
206                mActivity.getTransitionStore().putIfNotPresent(
207                        PhotoPage.KEY_ALBUMPAGE_TRANSITION,
208                        PhotoPage.MSG_ALBUMPAGE_RESUMED);
209            }
210            // TODO: fix this regression
211            // mAlbumView.savePositions(PositionRepository.getInstance(mActivity));
212            if (mInCameraApp) {
213                super.onBackPressed();
214            } else {
215                onUpPressed();
216            }
217        }
218    }
219
220    private void onUpPressed() {
221        if (mInCameraApp) {
222            GalleryUtils.startGalleryActivity(mActivity);
223        } else if (mActivity.getStateManager().getStateCount() > 1) {
224            super.onBackPressed();
225        } else if (mParentMediaSetString != null) {
226            Bundle data = new Bundle(getData());
227            data.putString(AlbumSetPage.KEY_MEDIA_PATH, mParentMediaSetString);
228            mActivity.getStateManager().switchState(
229                    this, AlbumSetPage.class, data);
230        }
231    }
232
233    private void onDown(int index) {
234        mAlbumView.setPressedIndex(index);
235    }
236
237    private void onUp(boolean followedByLongPress) {
238        if (followedByLongPress) {
239            // Avoid showing press-up animations for long-press.
240            mAlbumView.setPressedIndex(-1);
241        } else {
242            mAlbumView.setPressedUp();
243        }
244    }
245
246    private void onSingleTapUp(int slotIndex) {
247        if (!mIsActive) return;
248
249        if (mSelectionManager.inSelectionMode()) {
250            MediaItem item = mAlbumDataAdapter.get(slotIndex);
251            if (item == null) return; // Item not ready yet, ignore the click
252            mSelectionManager.toggle(item.getPath());
253            mSlotView.invalidate();
254        } else {
255            // Render transition in pressed state
256            mAlbumView.setPressedIndex(slotIndex);
257            PreparePageFadeoutTexture.prepareFadeOutTexture(mActivity, mRootPane);
258            mAlbumView.setPressedIndex(-1);
259
260            pickPhoto(slotIndex);
261        }
262    }
263
264    private void pickPhoto(int slotIndex) {
265        pickPhoto(slotIndex, false);
266    }
267
268    private void pickPhoto(int slotIndex, boolean startInFilmstrip) {
269        if (!mIsActive) return;
270
271        if (!startInFilmstrip) {
272            // Launch photos in lights out mode
273            mActivity.getGLRoot().setLightsOutMode(true);
274        }
275
276        MediaItem item = mAlbumDataAdapter.get(slotIndex);
277        if (item == null) return; // Item not ready yet, ignore the click
278        if (mGetContent) {
279            onGetContent(item);
280        } else if (mLaunchedFromPhotoPage) {
281            TransitionStore transitions = mActivity.getTransitionStore();
282            transitions.put(
283                    PhotoPage.KEY_ALBUMPAGE_TRANSITION,
284                    PhotoPage.MSG_ALBUMPAGE_PICKED);
285            transitions.put(PhotoPage.KEY_INDEX_HINT, slotIndex);
286            onBackPressed();
287        } else {
288            // Get into the PhotoPage.
289            // mAlbumView.savePositions(PositionRepository.getInstance(mActivity));
290            Bundle data = new Bundle();
291            data.putInt(PhotoPage.KEY_INDEX_HINT, slotIndex);
292            data.putParcelable(PhotoPage.KEY_OPEN_ANIMATION_RECT,
293                    mSlotView.getSlotRect(slotIndex, mRootPane));
294            data.putString(PhotoPage.KEY_MEDIA_SET_PATH,
295                    mMediaSetPath.toString());
296            data.putString(PhotoPage.KEY_MEDIA_ITEM_PATH,
297                    item.getPath().toString());
298            data.putInt(PhotoPage.KEY_ALBUMPAGE_TRANSITION,
299                    PhotoPage.MSG_ALBUMPAGE_STARTED);
300            data.putBoolean(PhotoPage.KEY_START_IN_FILMSTRIP,
301                    startInFilmstrip);
302            mActivity.getStateManager().startStateForResult(
303                    PhotoPage.class, REQUEST_PHOTO, data);
304        }
305    }
306
307    private void onGetContent(final MediaItem item) {
308        DataManager dm = mActivity.getDataManager();
309        Activity activity = mActivity;
310        if (mData.getString(Gallery.EXTRA_CROP) != null) {
311            // TODO: Handle MtpImagew
312            Uri uri = dm.getContentUri(item.getPath());
313            Intent intent = new Intent(CropImage.ACTION_CROP, uri)
314                    .addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT)
315                    .putExtras(getData());
316            if (mData.getParcelable(MediaStore.EXTRA_OUTPUT) == null) {
317                intent.putExtra(CropImage.KEY_RETURN_DATA, true);
318            }
319            activity.startActivity(intent);
320            activity.finish();
321        } else {
322            activity.setResult(Activity.RESULT_OK,
323                    new Intent(null, item.getContentUri()));
324            activity.finish();
325        }
326    }
327
328    public void onLongTap(int slotIndex) {
329        if (mGetContent) return;
330        MediaItem item = mAlbumDataAdapter.get(slotIndex);
331        if (item == null) return;
332        mSelectionManager.setAutoLeaveSelectionMode(true);
333        mSelectionManager.toggle(item.getPath());
334        mSlotView.invalidate();
335    }
336
337    @Override
338    public void doCluster(int clusterType) {
339        String basePath = mMediaSet.getPath().toString();
340        String newPath = FilterUtils.newClusterPath(basePath, clusterType);
341        Bundle data = new Bundle(getData());
342        data.putString(AlbumSetPage.KEY_MEDIA_PATH, newPath);
343        if (mShowClusterMenu) {
344            Context context = mActivity.getAndroidContext();
345            data.putString(AlbumSetPage.KEY_SET_TITLE, mMediaSet.getName());
346            data.putString(AlbumSetPage.KEY_SET_SUBTITLE,
347                    GalleryActionBar.getClusterByTypeString(context, clusterType));
348        }
349
350        // mAlbumView.savePositions(PositionRepository.getInstance(mActivity));
351        mActivity.getStateManager().startStateForResult(
352                AlbumSetPage.class, REQUEST_DO_ANIMATION, data);
353    }
354
355    @Override
356    protected void onCreate(Bundle data, Bundle restoreState) {
357        super.onCreate(data, restoreState);
358        mUserDistance = GalleryUtils.meterToPixel(USER_DISTANCE_METER);
359        initializeViews();
360        initializeData(data);
361        mGetContent = data.getBoolean(Gallery.KEY_GET_CONTENT, false);
362        mShowClusterMenu = data.getBoolean(KEY_SHOW_CLUSTER_MENU, false);
363        mDetailsSource = new MyDetailsSource();
364        Context context = mActivity.getAndroidContext();
365        mVibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
366
367        // Enable auto-select-all for mtp album
368        if (data.getBoolean(KEY_AUTO_SELECT_ALL)) {
369            mSelectionManager.selectAll();
370        }
371
372        mLaunchedFromPhotoPage =
373                mActivity.getStateManager().hasStateClass(PhotoPage.class);
374        mInCameraApp = data.getBoolean(PhotoPage.KEY_APP_BRIDGE, false);
375
376        // Don't show animation if it is restored or switched from filmstrip
377        if (!mLaunchedFromPhotoPage && restoreState == null && data != null) {
378            int[] center = data.getIntArray(KEY_SET_CENTER);
379            if (center != null) {
380                mOpenCenter.setAbsolutePosition(center[0], center[1]);
381                mSlotView.startScatteringAnimation(mOpenCenter);
382            }
383        }
384    }
385
386    @Override
387    protected void onResume() {
388        super.onResume();
389        mIsActive = true;
390
391        mResumeEffect = mActivity.getTransitionStore().get(KEY_RESUME_ANIMATION);
392        if (mResumeEffect != null) {
393            mAlbumView.setSlotFilter(mResumeEffect);
394            mResumeEffect.setPositionProvider(mPositionProvider);
395            mResumeEffect.start();
396        }
397
398        setContentPane(mRootPane);
399
400        boolean enableHomeButton = (mActivity.getStateManager().getStateCount() > 1) |
401                mParentMediaSetString != null;
402        mActivity.getGalleryActionBar().setDisplayOptions(enableHomeButton, true);
403
404        // Set the reload bit here to prevent it exit this page in clearLoadingBit().
405        setLoadingBit(BIT_LOADING_RELOAD);
406        mAlbumDataAdapter.resume();
407
408        mAlbumView.resume();
409        mActionModeHandler.resume();
410        if (!mInitialSynced) {
411            setLoadingBit(BIT_LOADING_SYNC);
412            mSyncTask = mMediaSet.requestSync(this);
413        }
414    }
415
416    @Override
417    protected void onPause() {
418        super.onPause();
419        mIsActive = false;
420
421        mAlbumView.setSlotFilter(null);
422
423        mAlbumDataAdapter.pause();
424        mAlbumView.pause();
425        DetailsHelper.pause();
426
427        if (mSyncTask != null) {
428            mSyncTask.cancel();
429            mSyncTask = null;
430            clearLoadingBit(BIT_LOADING_SYNC);
431        }
432        mActionModeHandler.pause();
433
434        // The camera app should always launch in capture mode when
435        // resumed, so make the next resume faster by closing the grid
436        // view now
437        if (mInCameraApp) {
438            if (mActivity.getStateManager().getTopState() == this)
439                mActivity.getStateManager().finishState(this);
440        }
441    }
442
443    @Override
444    protected void onDestroy() {
445        super.onDestroy();
446        if (mAlbumDataAdapter != null) {
447            mAlbumDataAdapter.setLoadingListener(null);
448        }
449    }
450
451    private void initializeViews() {
452        mSelectionManager = new SelectionManager(mActivity, false);
453        mSelectionManager.setSelectionListener(this);
454        Config.AlbumPage config = Config.AlbumPage.get(mActivity);
455        mSlotView = new SlotView(mActivity, config.slotViewSpec);
456        mAlbumView = new AlbumSlotRenderer(mActivity, mSlotView,
457                mSelectionManager, config.placeholderColor);
458        mSlotView.setSlotRenderer(mAlbumView);
459        mRootPane.addComponent(mSlotView);
460        mSlotView.setListener(new SlotView.SimpleListener() {
461            @Override
462            public void onDown(int index) {
463                AlbumPage.this.onDown(index);
464            }
465
466            @Override
467            public void onUp(boolean followedByLongPress) {
468                AlbumPage.this.onUp(followedByLongPress);
469            }
470
471            @Override
472            public void onSingleTapUp(int slotIndex) {
473                AlbumPage.this.onSingleTapUp(slotIndex);
474            }
475
476            @Override
477            public void onLongTap(int slotIndex) {
478                AlbumPage.this.onLongTap(slotIndex);
479            }
480        });
481        mActionModeHandler = new ActionModeHandler(mActivity, mSelectionManager);
482        mActionModeHandler.setActionModeListener(new ActionModeListener() {
483            @Override
484            public boolean onActionItemClicked(MenuItem item) {
485                return onItemSelected(item);
486            }
487        });
488    }
489
490    private void initializeData(Bundle data) {
491        mMediaSetPath = Path.fromString(data.getString(KEY_MEDIA_PATH));
492        mParentMediaSetString = data.getString(KEY_PARENT_MEDIA_PATH);
493        mMediaSet = mActivity.getDataManager().getMediaSet(mMediaSetPath);
494        if (mMediaSet == null) {
495            Utils.fail("MediaSet is null. Path = %s", mMediaSetPath);
496        }
497        mSelectionManager.setSourceMediaSet(mMediaSet);
498        mAlbumDataAdapter = new AlbumDataLoader(mActivity, mMediaSet);
499        mAlbumDataAdapter.setLoadingListener(new MyLoadingListener());
500        mAlbumView.setModel(mAlbumDataAdapter);
501    }
502
503    private void showDetails() {
504        mShowDetails = true;
505        if (mDetailsHelper == null) {
506            mDetailsHelper = new DetailsHelper(mActivity, mRootPane, mDetailsSource);
507            mDetailsHelper.setCloseListener(new CloseListener() {
508                @Override
509                public void onClose() {
510                    hideDetails();
511                }
512            });
513        }
514        mDetailsHelper.show();
515    }
516
517    private void hideDetails() {
518        mShowDetails = false;
519        mDetailsHelper.hide();
520        mAlbumView.setHighlightItemPath(null);
521        mSlotView.invalidate();
522    }
523
524    @Override
525    protected boolean onCreateActionBar(Menu menu) {
526        GalleryActionBar actionBar = mActivity.getGalleryActionBar();
527        MenuInflater inflator = getSupportMenuInflater();
528        if (mGetContent) {
529            inflator.inflate(R.menu.pickup, menu);
530            int typeBits = mData.getInt(Gallery.KEY_TYPE_BITS,
531                    DataManager.INCLUDE_IMAGE);
532            actionBar.setTitle(GalleryUtils.getSelectionModePrompt(typeBits));
533        } else {
534            inflator.inflate(R.menu.album, menu);
535            actionBar.setTitle(mMediaSet.getName());
536
537            menu.findItem(R.id.action_slideshow)
538                    .setVisible(!(mMediaSet instanceof MtpDevice));
539
540            FilterUtils.setupMenuItems(actionBar, mMediaSetPath, true);
541
542            menu.findItem(R.id.action_group_by).setVisible(mShowClusterMenu);
543            menu.findItem(R.id.action_camera).setVisible(
544                    MediaSetUtils.isCameraSource(mMediaSetPath)
545                    && GalleryUtils.isCameraAvailable(mActivity));
546
547        }
548        actionBar.setSubtitle(null);
549        return true;
550    }
551
552    private void prepareAnimationBackToFilmstrip(int slotIndex) {
553        if (mAlbumDataAdapter == null || !mAlbumDataAdapter.isActive(slotIndex)) return;
554        MediaItem item = mAlbumDataAdapter.get(slotIndex);
555        if (item == null) return;
556        PreparePageFadeoutTexture.prepareFadeOutTexture(mActivity, mRootPane);
557        TransitionStore transitions = mActivity.getTransitionStore();
558        transitions.put(PhotoPage.KEY_INDEX_HINT, slotIndex);
559        transitions.put(PhotoPage.KEY_OPEN_ANIMATION_RECT,
560                mSlotView.getSlotRect(slotIndex, mRootPane));
561    }
562
563    @Override
564    protected boolean onItemSelected(MenuItem item) {
565        switch (item.getItemId()) {
566            case android.R.id.home: {
567                onUpPressed();
568                return true;
569            }
570            case R.id.action_cancel:
571                mActivity.getStateManager().finishState(this);
572                return true;
573            case R.id.action_select:
574                mSelectionManager.setAutoLeaveSelectionMode(false);
575                mSelectionManager.enterSelectionMode();
576                return true;
577            case R.id.action_group_by: {
578                mActivity.getGalleryActionBar().showClusterDialog(this);
579                return true;
580            }
581            case R.id.action_slideshow: {
582                Bundle data = new Bundle();
583                data.putString(SlideshowPage.KEY_SET_PATH,
584                        mMediaSetPath.toString());
585                data.putBoolean(SlideshowPage.KEY_REPEAT, true);
586                mActivity.getStateManager().startStateForResult(
587                        SlideshowPage.class, REQUEST_SLIDESHOW, data);
588                return true;
589            }
590            case R.id.action_filmstrip: {
591                if (mAlbumDataAdapter.size() < 1) return true;
592                int targetPhoto = mSlotView.getVisibleStart();
593                prepareAnimationBackToFilmstrip(targetPhoto);
594                if(mLaunchedFromPhotoPage) {
595                    onBackPressed();
596                } else {
597                    pickPhoto(targetPhoto, true);
598                }
599                return true;
600            }
601            case R.id.action_details: {
602                if (mShowDetails) {
603                    hideDetails();
604                } else {
605                    showDetails();
606                }
607                return true;
608            }
609            case R.id.action_camera: {
610                GalleryUtils.startCameraActivity(mActivity);
611                return true;
612            }
613            default:
614                return false;
615        }
616    }
617
618    @Override
619    protected void onStateResult(int request, int result, Intent data) {
620        switch (request) {
621            case REQUEST_SLIDESHOW: {
622                // data could be null, if there is no images in the album
623                if (data == null) return;
624                mFocusIndex = data.getIntExtra(SlideshowPage.KEY_PHOTO_INDEX, 0);
625                mSlotView.setCenterIndex(mFocusIndex);
626                break;
627            }
628            case REQUEST_PHOTO: {
629                if (data == null) return;
630                mFocusIndex = data.getIntExtra(PhotoPage.KEY_RETURN_INDEX_HINT, 0);
631                mSlotView.makeSlotVisible(mFocusIndex);
632                break;
633            }
634            case REQUEST_DO_ANIMATION: {
635                mSlotView.startRisingAnimation();
636                break;
637            }
638        }
639    }
640
641    @Override
642    public void onSelectionModeChange(int mode) {
643        switch (mode) {
644            case SelectionManager.ENTER_SELECTION_MODE: {
645                mActionModeHandler.startActionMode();
646                if (mHapticsEnabled) mVibrator.vibrate(100);
647                break;
648            }
649            case SelectionManager.LEAVE_SELECTION_MODE: {
650                mActionModeHandler.finishActionMode();
651                mRootPane.invalidate();
652                break;
653            }
654            case SelectionManager.SELECT_ALL_MODE: {
655                mActionModeHandler.updateSupportedOperation();
656                mRootPane.invalidate();
657                break;
658            }
659        }
660    }
661
662    @Override
663    public void onSelectionChange(Path path, boolean selected) {
664        int count = mSelectionManager.getSelectedCount();
665        String format = mActivity.getResources().getQuantityString(
666                R.plurals.number_of_items_selected, count);
667        mActionModeHandler.setTitle(String.format(format, count));
668        mActionModeHandler.updateSupportedOperation(path, selected);
669    }
670
671    @Override
672    public void onSyncDone(final MediaSet mediaSet, final int resultCode) {
673        Log.d(TAG, "onSyncDone: " + Utils.maskDebugInfo(mediaSet.getName()) + " result="
674                + resultCode);
675        ((Activity) mActivity).runOnUiThread(new Runnable() {
676            @Override
677            public void run() {
678                GLRoot root = mActivity.getGLRoot();
679                root.lockRenderThread();
680                try {
681                    if (resultCode == MediaSet.SYNC_RESULT_SUCCESS) {
682                        mInitialSynced = true;
683                    }
684                    clearLoadingBit(BIT_LOADING_SYNC);
685                    if (resultCode == MediaSet.SYNC_RESULT_ERROR && mIsActive
686                            && (mAlbumDataAdapter.size() == 0)) {
687                        // show error toast only if the album is empty
688                        Toast.makeText(mActivity, R.string.sync_album_error,
689                                Toast.LENGTH_LONG).show();
690                    }
691                } finally {
692                    root.unlockRenderThread();
693                }
694            }
695        });
696    }
697
698    private void setLoadingBit(int loadTaskBit) {
699        mLoadingBits |= loadTaskBit;
700    }
701
702    private void clearLoadingBit(int loadTaskBit) {
703        mLoadingBits &= ~loadTaskBit;
704        if (mLoadingBits == 0 && mIsActive) {
705            if (mAlbumDataAdapter.size() == 0) {
706                Intent result = new Intent();
707                result.putExtra(KEY_EMPTY_ALBUM, true);
708                setStateResult(Activity.RESULT_OK, result);
709                mActivity.getStateManager().finishState(this);
710            }
711        }
712    }
713
714    private class MyLoadingListener implements LoadingListener {
715        @Override
716        public void onLoadingStarted() {
717            setLoadingBit(BIT_LOADING_RELOAD);
718        }
719
720        @Override
721        public void onLoadingFinished() {
722            clearLoadingBit(BIT_LOADING_RELOAD);
723        }
724    }
725
726    private class MyDetailsSource implements DetailsHelper.DetailsSource {
727        private int mIndex;
728
729        @Override
730        public int size() {
731            return mAlbumDataAdapter.size();
732        }
733
734        @Override
735        public int setIndex() {
736            Path id = mSelectionManager.getSelected(false).get(0);
737            mIndex = mAlbumDataAdapter.findItem(id);
738            return mIndex;
739        }
740
741        @Override
742        public MediaDetails getDetails() {
743            // this relies on setIndex() being called beforehand
744            MediaObject item = mAlbumDataAdapter.get(mIndex);
745            if (item != null) {
746                mAlbumView.setHighlightItemPath(item.getPath());
747                return item.getDetails();
748            } else {
749                return null;
750            }
751        }
752    }
753}
754