PhotoPage.java revision f37648b877bf6029d7afead31e965b473114c89c 
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.annotation.TargetApi;
20import android.app.ActionBar.OnMenuVisibilityListener;
21import android.app.Activity;
22import android.content.ActivityNotFoundException;
23import android.content.Context;
24import android.content.Intent;
25import android.content.pm.PackageManager;
26import android.content.res.Configuration;
27import android.graphics.Rect;
28import android.net.Uri;
29import android.nfc.NfcAdapter;
30import android.nfc.NfcAdapter.CreateBeamUrisCallback;
31import android.nfc.NfcEvent;
32import android.os.Bundle;
33import android.os.Handler;
34import android.os.Message;
35import android.os.SystemClock;
36import android.view.Menu;
37import android.view.MenuItem;
38import android.widget.RelativeLayout;
39import android.widget.Toast;
40
41import com.android.camera.CameraActivity;
42import com.android.camera.ProxyLauncher;
43import com.android.gallery3d.R;
44import com.android.gallery3d.common.ApiHelper;
45import com.android.gallery3d.data.ComboAlbum;
46import com.android.gallery3d.data.DataManager;
47import com.android.gallery3d.data.FilterDeleteSet;
48import com.android.gallery3d.data.FilterSource;
49import com.android.gallery3d.data.LocalImage;
50import com.android.gallery3d.data.MediaDetails;
51import com.android.gallery3d.data.MediaItem;
52import com.android.gallery3d.data.MediaObject;
53import com.android.gallery3d.data.MediaObject.PanoramaSupportCallback;
54import com.android.gallery3d.data.MediaSet;
55import com.android.gallery3d.data.Path;
56import com.android.gallery3d.data.SecureAlbum;
57import com.android.gallery3d.data.SecureSource;
58import com.android.gallery3d.data.SnailAlbum;
59import com.android.gallery3d.data.SnailItem;
60import com.android.gallery3d.data.SnailSource;
61import com.android.gallery3d.filtershow.FilterShowActivity;
62import com.android.gallery3d.picasasource.PicasaSource;
63import com.android.gallery3d.ui.DetailsHelper;
64import com.android.gallery3d.ui.DetailsHelper.CloseListener;
65import com.android.gallery3d.ui.DetailsHelper.DetailsSource;
66import com.android.gallery3d.ui.GLView;
67import com.android.gallery3d.ui.MenuExecutor;
68import com.android.gallery3d.ui.PhotoView;
69import com.android.gallery3d.ui.SelectionManager;
70import com.android.gallery3d.ui.SynchronizedHandler;
71import com.android.gallery3d.util.GalleryUtils;
72import com.android.gallery3d.util.UsageStatistics;
73
74public abstract class PhotoPage extends ActivityState implements
75        PhotoView.Listener, AppBridge.Server,
76        PhotoPageBottomControls.Delegate, GalleryActionBar.OnAlbumModeSelectedListener {
77    private static final String TAG = "PhotoPage";
78
79    private static final int MSG_HIDE_BARS = 1;
80    private static final int MSG_ON_FULL_SCREEN_CHANGED = 4;
81    private static final int MSG_UPDATE_ACTION_BAR = 5;
82    private static final int MSG_UNFREEZE_GLROOT = 6;
83    private static final int MSG_WANT_BARS = 7;
84    private static final int MSG_REFRESH_BOTTOM_CONTROLS = 8;
85    private static final int MSG_ON_CAMERA_CENTER = 9;
86    private static final int MSG_ON_PICTURE_CENTER = 10;
87    private static final int MSG_REFRESH_IMAGE = 11;
88    private static final int MSG_UPDATE_PHOTO_UI = 12;
89    private static final int MSG_UPDATE_PROGRESS = 13;
90    private static final int MSG_UPDATE_DEFERRED = 14;
91    private static final int MSG_UPDATE_SHARE_URI = 15;
92    private static final int MSG_UPDATE_PANORAMA_UI = 16;
93
94    private static final int HIDE_BARS_TIMEOUT = 3500;
95    private static final int UNFREEZE_GLROOT_TIMEOUT = 250;
96
97    private static final int REQUEST_SLIDESHOW = 1;
98    private static final int REQUEST_CROP = 2;
99    private static final int REQUEST_CROP_PICASA = 3;
100    private static final int REQUEST_EDIT = 4;
101    private static final int REQUEST_PLAY_VIDEO = 5;
102    private static final int REQUEST_TRIM = 6;
103
104    public static final String KEY_MEDIA_SET_PATH = "media-set-path";
105    public static final String KEY_MEDIA_ITEM_PATH = "media-item-path";
106    public static final String KEY_INDEX_HINT = "index-hint";
107    public static final String KEY_OPEN_ANIMATION_RECT = "open-animation-rect";
108    public static final String KEY_APP_BRIDGE = "app-bridge";
109    public static final String KEY_TREAT_BACK_AS_UP = "treat-back-as-up";
110    public static final String KEY_START_IN_FILMSTRIP = "start-in-filmstrip";
111    public static final String KEY_RETURN_INDEX_HINT = "return-index-hint";
112    public static final String KEY_SHOW_WHEN_LOCKED = "show_when_locked";
113    public static final String KEY_IN_CAMERA_ROLL = "in_camera_roll";
114
115    public static final String KEY_ALBUMPAGE_TRANSITION = "albumpage-transition";
116    public static final int MSG_ALBUMPAGE_NONE = 0;
117    public static final int MSG_ALBUMPAGE_STARTED = 1;
118    public static final int MSG_ALBUMPAGE_RESUMED = 2;
119    public static final int MSG_ALBUMPAGE_PICKED = 4;
120
121    public static final String ACTION_NEXTGEN_EDIT = "action_nextgen_edit";
122
123    private GalleryApp mApplication;
124    private SelectionManager mSelectionManager;
125
126    private PhotoView mPhotoView;
127    private PhotoPage.Model mModel;
128    private DetailsHelper mDetailsHelper;
129    private boolean mShowDetails;
130
131    // mMediaSet could be null if there is no KEY_MEDIA_SET_PATH supplied.
132    // E.g., viewing a photo in gmail attachment
133    private FilterDeleteSet mMediaSet;
134
135    // The mediaset used by camera launched from secure lock screen.
136    private SecureAlbum mSecureAlbum;
137
138    private int mCurrentIndex = 0;
139    private Handler mHandler;
140    private boolean mShowBars = true;
141    private volatile boolean mActionBarAllowed = true;
142    private GalleryActionBar mActionBar;
143    private boolean mIsMenuVisible;
144    private boolean mHaveImageEditor;
145    private PhotoPageBottomControls mBottomControls;
146    private PhotoPageProgressBar mProgressBar;
147    private MediaItem mCurrentPhoto = null;
148    private MenuExecutor mMenuExecutor;
149    private boolean mIsActive;
150    private boolean mShowSpinner;
151    private String mSetPathString;
152    // This is the original mSetPathString before adding the camera preview item.
153    private String mOriginalSetPathString;
154    private AppBridge mAppBridge;
155    private SnailItem mScreenNailItem;
156    private SnailAlbum mScreenNailSet;
157    private OrientationManager mOrientationManager;
158    private boolean mTreatBackAsUp;
159    private boolean mStartInFilmstrip;
160    private boolean mHasCameraScreennailOrPlaceholder = false;
161    private boolean mRecenterCameraOnResume = true;
162
163    // These are only valid after the panorama callback
164    private boolean mIsPanorama;
165    private boolean mIsPanorama360;
166
167    private long mCameraSwitchCutoff = 0;
168    private boolean mSkipUpdateCurrentPhoto = false;
169    private static final long CAMERA_SWITCH_CUTOFF_THRESHOLD_MS = 300;
170
171    private static final long DEFERRED_UPDATE_MS = 250;
172    private boolean mDeferredUpdateWaiting = false;
173    private long mDeferUpdateUntil = Long.MAX_VALUE;
174
175    // The item that is deleted (but it can still be undeleted before commiting)
176    private Path mDeletePath;
177    private boolean mDeleteIsFocus;  // whether the deleted item was in focus
178
179    private Uri[] mNfcPushUris = new Uri[1];
180
181    private final MyMenuVisibilityListener mMenuVisibilityListener =
182            new MyMenuVisibilityListener();
183    private UpdateProgressListener mProgressListener;
184
185    private final PanoramaSupportCallback mUpdatePanoramaMenuItemsCallback = new PanoramaSupportCallback() {
186        @Override
187        public void panoramaInfoAvailable(MediaObject mediaObject, boolean isPanorama,
188                boolean isPanorama360) {
189            if (mediaObject == mCurrentPhoto) {
190                mHandler.obtainMessage(MSG_UPDATE_PANORAMA_UI, isPanorama360 ? 1 : 0, 0,
191                        mediaObject).sendToTarget();
192            }
193        }
194    };
195
196    private final PanoramaSupportCallback mRefreshBottomControlsCallback = new PanoramaSupportCallback() {
197        @Override
198        public void panoramaInfoAvailable(MediaObject mediaObject, boolean isPanorama,
199                boolean isPanorama360) {
200            if (mediaObject == mCurrentPhoto) {
201                mHandler.obtainMessage(MSG_REFRESH_BOTTOM_CONTROLS, isPanorama ? 1 : 0, isPanorama360 ? 1 : 0,
202                        mediaObject).sendToTarget();
203            }
204        }
205    };
206
207    private final PanoramaSupportCallback mUpdateShareURICallback = new PanoramaSupportCallback() {
208        @Override
209        public void panoramaInfoAvailable(MediaObject mediaObject, boolean isPanorama,
210                boolean isPanorama360) {
211            if (mediaObject == mCurrentPhoto) {
212                mHandler.obtainMessage(MSG_UPDATE_SHARE_URI, isPanorama360 ? 1 : 0, 0, mediaObject)
213                        .sendToTarget();
214            }
215        }
216    };
217
218    public static interface Model extends PhotoView.Model {
219        public void resume();
220        public void pause();
221        public boolean isEmpty();
222        public void setCurrentPhoto(Path path, int indexHint);
223    }
224
225    private class MyMenuVisibilityListener implements OnMenuVisibilityListener {
226        @Override
227        public void onMenuVisibilityChanged(boolean isVisible) {
228            mIsMenuVisible = isVisible;
229            refreshHidingMessage();
230        }
231    }
232
233    private class UpdateProgressListener implements StitchingChangeListener {
234
235        @Override
236        public void onStitchingResult(Uri uri) {
237            sendUpdate(uri, MSG_REFRESH_IMAGE);
238        }
239
240        @Override
241        public void onStitchingQueued(Uri uri) {
242            sendUpdate(uri, MSG_UPDATE_PROGRESS);
243        }
244
245        @Override
246        public void onStitchingProgress(Uri uri, final int progress) {
247            sendUpdate(uri, MSG_UPDATE_PROGRESS);
248        }
249
250        private void sendUpdate(Uri uri, int message) {
251            MediaObject currentPhoto = mCurrentPhoto;
252            boolean isCurrentPhoto = currentPhoto instanceof LocalImage
253                    && currentPhoto.getContentUri().equals(uri);
254            if (isCurrentPhoto) {
255                mHandler.sendEmptyMessage(message);
256            }
257        }
258    };
259
260    @Override
261    protected int getBackgroundColorId() {
262        return R.color.photo_background;
263    }
264
265    private final GLView mRootPane = new GLView() {
266        @Override
267        protected void onLayout(
268                boolean changed, int left, int top, int right, int bottom) {
269            mPhotoView.layout(0, 0, right - left, bottom - top);
270            if (mShowDetails) {
271                mDetailsHelper.layout(left, mActionBar.getHeight(), right, bottom);
272            }
273        }
274    };
275
276    @Override
277    public void onCreate(Bundle data, Bundle restoreState) {
278        super.onCreate(data, restoreState);
279        mActionBar = mActivity.getGalleryActionBar();
280        mSelectionManager = new SelectionManager(mActivity, false);
281        mMenuExecutor = new MenuExecutor(mActivity, mSelectionManager);
282
283        mPhotoView = new PhotoView(mActivity);
284        mPhotoView.setListener(this);
285        mRootPane.addComponent(mPhotoView);
286        mApplication = (GalleryApp) ((Activity) mActivity).getApplication();
287        mOrientationManager = mActivity.getOrientationManager();
288        mActivity.getGLRoot().setOrientationSource(mOrientationManager);
289
290        mHandler = new SynchronizedHandler(mActivity.getGLRoot()) {
291            @Override
292            public void handleMessage(Message message) {
293                switch (message.what) {
294                    case MSG_HIDE_BARS: {
295                        hideBars();
296                        break;
297                    }
298                    case MSG_REFRESH_BOTTOM_CONTROLS: {
299                        if (mCurrentPhoto == message.obj && mBottomControls != null) {
300                            mIsPanorama = message.arg1 == 1;
301                            mIsPanorama360 = message.arg2 == 1;
302                            mBottomControls.refresh();
303                        }
304                        break;
305                    }
306                    case MSG_ON_FULL_SCREEN_CHANGED: {
307                        if (mAppBridge != null) {
308                            mAppBridge.onFullScreenChanged(message.arg1 == 1);
309                        }
310                        break;
311                    }
312                    case MSG_UPDATE_ACTION_BAR: {
313                        updateBars();
314                        break;
315                    }
316                    case MSG_WANT_BARS: {
317                        wantBars();
318                        break;
319                    }
320                    case MSG_UNFREEZE_GLROOT: {
321                        mActivity.getGLRoot().unfreeze();
322                        break;
323                    }
324                    case MSG_UPDATE_DEFERRED: {
325                        long nextUpdate = mDeferUpdateUntil - SystemClock.uptimeMillis();
326                        if (nextUpdate <= 0) {
327                            mDeferredUpdateWaiting = false;
328                            updateUIForCurrentPhoto();
329                        } else {
330                            mHandler.sendEmptyMessageDelayed(MSG_UPDATE_DEFERRED, nextUpdate);
331                        }
332                        break;
333                    }
334                    case MSG_ON_CAMERA_CENTER: {
335                        mSkipUpdateCurrentPhoto = false;
336                        boolean stayedOnCamera = false;
337                        if (!mPhotoView.getFilmMode()) {
338                            stayedOnCamera = true;
339                        } else if (SystemClock.uptimeMillis() < mCameraSwitchCutoff &&
340                                mMediaSet.getMediaItemCount() > 1) {
341                            mPhotoView.switchToImage(1);
342                        } else {
343                            if (mAppBridge != null) mPhotoView.setFilmMode(false);
344                            stayedOnCamera = true;
345                        }
346
347                        if (stayedOnCamera) {
348                            if (mAppBridge == null && mMediaSet.getTotalMediaItemCount() > 1) {
349                                launchCamera();
350                                /* We got here by swiping from photo 1 to the
351                                   placeholder, so make it be the thing that
352                                   is in focus when the user presses back from
353                                   the camera app */
354                                mPhotoView.switchToImage(1);
355                            } else {
356                                updateBars();
357                                updateCurrentPhoto(mModel.getMediaItem(0));
358                            }
359                        }
360                        break;
361                    }
362                    case MSG_ON_PICTURE_CENTER: {
363                        if (!mPhotoView.getFilmMode() && mCurrentPhoto != null
364                                && (mCurrentPhoto.getSupportedOperations() & MediaObject.SUPPORT_ACTION) != 0) {
365                            mPhotoView.setFilmMode(true);
366                        }
367                        break;
368                    }
369                    case MSG_REFRESH_IMAGE: {
370                        final MediaItem photo = mCurrentPhoto;
371                        mCurrentPhoto = null;
372                        updateCurrentPhoto(photo);
373                        break;
374                    }
375                    case MSG_UPDATE_PHOTO_UI: {
376                        updateUIForCurrentPhoto();
377                        break;
378                    }
379                    case MSG_UPDATE_PROGRESS: {
380                        updateProgressBar();
381                        break;
382                    }
383                    case MSG_UPDATE_SHARE_URI: {
384                        if (mCurrentPhoto == message.obj) {
385                            boolean isPanorama360 = message.arg1 != 0;
386                            Uri contentUri = mCurrentPhoto.getContentUri();
387                            Intent panoramaIntent = null;
388                            if (isPanorama360) {
389                                panoramaIntent = createSharePanoramaIntent(contentUri);
390                            }
391                            Intent shareIntent = createShareIntent(mCurrentPhoto);
392
393                            mActionBar.setShareIntents(panoramaIntent, shareIntent);
394                            setNfcBeamPushUri(contentUri);
395                        }
396                        break;
397                    }
398                    case MSG_UPDATE_PANORAMA_UI: {
399                        if (mCurrentPhoto == message.obj) {
400                            boolean isPanorama360 = message.arg1 != 0;
401                            updatePanoramaUI(isPanorama360);
402                        }
403                        break;
404                    }
405                    default: throw new AssertionError(message.what);
406                }
407            }
408        };
409
410        mSetPathString = data.getString(KEY_MEDIA_SET_PATH);
411        mOriginalSetPathString = mSetPathString;
412        setupNfcBeamPush();
413        String itemPathString = data.getString(KEY_MEDIA_ITEM_PATH);
414        Path itemPath = itemPathString != null ?
415                Path.fromString(data.getString(KEY_MEDIA_ITEM_PATH)) :
416                    null;
417        mTreatBackAsUp = data.getBoolean(KEY_TREAT_BACK_AS_UP, false);
418        mStartInFilmstrip = data.getBoolean(KEY_START_IN_FILMSTRIP, false);
419        boolean inCameraRoll = data.getBoolean(KEY_IN_CAMERA_ROLL, false);
420        mCurrentIndex = data.getInt(KEY_INDEX_HINT, 0);
421        if (mSetPathString != null) {
422            mShowSpinner = true;
423            mAppBridge = (AppBridge) data.getParcelable(KEY_APP_BRIDGE);
424            if (mAppBridge != null) {
425                mShowBars = false;
426                mHasCameraScreennailOrPlaceholder = true;
427                mAppBridge.setServer(this);
428
429                // Get the ScreenNail from AppBridge and register it.
430                int id = SnailSource.newId();
431                Path screenNailSetPath = SnailSource.getSetPath(id);
432                Path screenNailItemPath = SnailSource.getItemPath(id);
433                mScreenNailSet = (SnailAlbum) mActivity.getDataManager()
434                        .getMediaObject(screenNailSetPath);
435                mScreenNailItem = (SnailItem) mActivity.getDataManager()
436                        .getMediaObject(screenNailItemPath);
437                mScreenNailItem.setScreenNail(mAppBridge.attachScreenNail());
438
439                if (data.getBoolean(KEY_SHOW_WHEN_LOCKED, false)) {
440                    // Set the flag to be on top of the lock screen.
441                    mFlags |= FLAG_SHOW_WHEN_LOCKED;
442                }
443
444                // Don't display "empty album" action item for capture intents.
445                if (!mSetPathString.equals("/local/all/0")) {
446                    // Check if the path is a secure album.
447                    if (SecureSource.isSecurePath(mSetPathString)) {
448                        mSecureAlbum = (SecureAlbum) mActivity.getDataManager()
449                                .getMediaSet(mSetPathString);
450                        mShowSpinner = false;
451                    }
452                    mSetPathString = "/filter/empty/{"+mSetPathString+"}";
453                }
454
455                // Combine the original MediaSet with the one for ScreenNail
456                // from AppBridge.
457                mSetPathString = "/combo/item/{" + screenNailSetPath +
458                        "," + mSetPathString + "}";
459
460                // Start from the screen nail.
461                itemPath = screenNailItemPath;
462            } else if (inCameraRoll && GalleryUtils.isCameraAvailable(mActivity)) {
463                mSetPathString = "/combo/item/{" + FilterSource.FILTER_CAMERA_SHORTCUT +
464                        "," + mSetPathString + "}";
465                mCurrentIndex++;
466                mHasCameraScreennailOrPlaceholder = true;
467            }
468
469            MediaSet originalSet = mActivity.getDataManager()
470                    .getMediaSet(mSetPathString);
471            if (mHasCameraScreennailOrPlaceholder && originalSet instanceof ComboAlbum) {
472                // Use the name of the camera album rather than the default
473                // ComboAlbum behavior
474                ((ComboAlbum) originalSet).useNameOfChild(1);
475            }
476            mSelectionManager.setSourceMediaSet(originalSet);
477            mSetPathString = "/filter/delete/{" + mSetPathString + "}";
478            mMediaSet = (FilterDeleteSet) mActivity.getDataManager()
479                    .getMediaSet(mSetPathString);
480            if (mMediaSet == null) {
481                Log.w(TAG, "failed to restore " + mSetPathString);
482            }
483            if (itemPath == null) {
484                int mediaItemCount = mMediaSet.getMediaItemCount();
485                if (mediaItemCount > 0) {
486                    if (mCurrentIndex >= mediaItemCount) mCurrentIndex = 0;
487                    itemPath = mMediaSet.getMediaItem(mCurrentIndex, 1)
488                        .get(0).getPath();
489                } else {
490                    // Bail out, PhotoPage can't load on an empty album
491                    return;
492                }
493            }
494            PhotoDataAdapter pda = new PhotoDataAdapter(
495                    mActivity, mPhotoView, mMediaSet, itemPath, mCurrentIndex,
496                    mAppBridge == null ? -1 : 0,
497                    mAppBridge == null ? false : mAppBridge.isPanorama(),
498                    mAppBridge == null ? false : mAppBridge.isStaticCamera());
499            mModel = pda;
500            mPhotoView.setModel(mModel);
501
502            pda.setDataListener(new PhotoDataAdapter.DataListener() {
503
504                @Override
505                public void onPhotoChanged(int index, Path item) {
506                    int oldIndex = mCurrentIndex;
507                    mCurrentIndex = index;
508
509                    if (mHasCameraScreennailOrPlaceholder) {
510                        if (mCurrentIndex > 0) {
511                            mSkipUpdateCurrentPhoto = false;
512                        }
513
514                        if (oldIndex == 0 && mCurrentIndex > 0
515                                && !mPhotoView.getFilmMode()) {
516                            mPhotoView.setFilmMode(true);
517                        } else if (oldIndex == 2 && mCurrentIndex == 1) {
518                            mCameraSwitchCutoff = SystemClock.uptimeMillis() +
519                                    CAMERA_SWITCH_CUTOFF_THRESHOLD_MS;
520                            mPhotoView.stopScrolling();
521                        } else if (oldIndex >= 1 && mCurrentIndex == 0) {
522                            mPhotoView.setWantPictureCenterCallbacks(true);
523                            mSkipUpdateCurrentPhoto = true;
524                        }
525                    }
526                    if (!mSkipUpdateCurrentPhoto) {
527                        if (item != null) {
528                            MediaItem photo = mModel.getMediaItem(0);
529                            if (photo != null) updateCurrentPhoto(photo);
530                        }
531                        updateBars();
532                    }
533                    // Reset the timeout for the bars after a swipe
534                    refreshHidingMessage();
535                }
536
537                @Override
538                public void onLoadingFinished(boolean loadingFailed) {
539                    if (!mModel.isEmpty()) {
540                        MediaItem photo = mModel.getMediaItem(0);
541                        if (photo != null) updateCurrentPhoto(photo);
542                    } else if (mIsActive) {
543                        // We only want to finish the PhotoPage if there is no
544                        // deletion that the user can undo.
545                        if (mMediaSet.getNumberOfDeletions() == 0) {
546                            mActivity.getStateManager().finishState(
547                                    PhotoPage.this);
548                        }
549                    }
550                }
551
552                @Override
553                public void onLoadingStarted() {
554                }
555            });
556        } else {
557            // Get default media set by the URI
558            MediaItem mediaItem = (MediaItem)
559                    mActivity.getDataManager().getMediaObject(itemPath);
560            mModel = new SinglePhotoDataAdapter(mActivity, mPhotoView, mediaItem);
561            mPhotoView.setModel(mModel);
562            updateCurrentPhoto(mediaItem);
563            mShowSpinner = false;
564        }
565
566        mPhotoView.setFilmMode(mStartInFilmstrip && mMediaSet.getMediaItemCount() > 1);
567        RelativeLayout galleryRoot = (RelativeLayout) ((Activity) mActivity)
568                .findViewById(mAppBridge != null ? R.id.content : R.id.gallery_root);
569        if (galleryRoot != null) {
570            if (mSecureAlbum == null) {
571                mBottomControls = new PhotoPageBottomControls(this, mActivity, galleryRoot);
572            }
573            StitchingProgressManager progressManager = mApplication.getStitchingProgressManager();
574            if (progressManager != null) {
575                mProgressBar = new PhotoPageProgressBar(mActivity, galleryRoot);
576                mProgressListener = new UpdateProgressListener();
577                progressManager.addChangeListener(mProgressListener);
578                if (mSecureAlbum != null) {
579                    progressManager.addChangeListener(mSecureAlbum);
580                }
581            }
582        }
583    }
584
585    @Override
586    public void onPictureCenter(boolean isCamera) {
587        isCamera = isCamera || (mHasCameraScreennailOrPlaceholder && mAppBridge == null);
588        mPhotoView.setWantPictureCenterCallbacks(false);
589        mHandler.removeMessages(MSG_ON_CAMERA_CENTER);
590        mHandler.removeMessages(MSG_ON_PICTURE_CENTER);
591        mHandler.sendEmptyMessage(isCamera ? MSG_ON_CAMERA_CENTER : MSG_ON_PICTURE_CENTER);
592    }
593
594    @Override
595    public boolean canDisplayBottomControls() {
596        return mIsActive && !mPhotoView.canUndo();
597    }
598
599    @Override
600    public boolean canDisplayBottomControl(int control) {
601        if (mCurrentPhoto == null) {
602            return false;
603        }
604        switch(control) {
605            case R.id.photopage_bottom_control_edit:
606                return mHaveImageEditor && mShowBars
607                        && !mPhotoView.getFilmMode()
608                        && (mCurrentPhoto.getSupportedOperations() & MediaItem.SUPPORT_EDIT) != 0
609                        && mCurrentPhoto.getMediaType() == MediaObject.MEDIA_TYPE_IMAGE;
610            case R.id.photopage_bottom_control_panorama:
611                return mIsPanorama;
612            case R.id.photopage_bottom_control_tiny_planet:
613                return mHaveImageEditor && mShowBars
614                        && mIsPanorama360 && !mPhotoView.getFilmMode();
615            default:
616                return false;
617        }
618    }
619
620    @Override
621    public void onBottomControlClicked(int control) {
622        switch(control) {
623            case R.id.photopage_bottom_control_edit:
624                launchPhotoEditor();
625                return;
626            case R.id.photopage_bottom_control_panorama:
627                mActivity.getPanoramaViewHelper()
628                        .showPanorama(mCurrentPhoto.getContentUri());
629                return;
630            case R.id.photopage_bottom_control_tiny_planet:
631                launchTinyPlanet();
632                return;
633            default:
634                return;
635        }
636    }
637
638    @TargetApi(ApiHelper.VERSION_CODES.JELLY_BEAN)
639    private void setupNfcBeamPush() {
640        if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) return;
641
642        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mActivity);
643        if (adapter != null) {
644            adapter.setBeamPushUris(null, mActivity);
645            adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
646                @Override
647                public Uri[] createBeamUris(NfcEvent event) {
648                    return mNfcPushUris;
649                }
650            }, mActivity);
651        }
652    }
653
654    private void setNfcBeamPushUri(Uri uri) {
655        mNfcPushUris[0] = uri;
656    }
657
658    private static Intent createShareIntent(MediaObject mediaObject) {
659        int type = mediaObject.getMediaType();
660        return new Intent(Intent.ACTION_SEND)
661                .setType(MenuExecutor.getMimeType(type))
662                .putExtra(Intent.EXTRA_STREAM, mediaObject.getContentUri())
663                .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
664    }
665
666    private static Intent createSharePanoramaIntent(Uri contentUri) {
667        return new Intent(Intent.ACTION_SEND)
668                .setType(GalleryUtils.MIME_TYPE_PANORAMA360)
669                .putExtra(Intent.EXTRA_STREAM, contentUri)
670                .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
671    }
672
673    private void overrideTransitionToEditor() {
674        ((Activity) mActivity).overridePendingTransition(android.R.anim.fade_in,
675                android.R.anim.fade_out);
676    }
677
678    private void launchTinyPlanet() {
679        // Deep link into tiny planet
680        MediaItem current = mModel.getMediaItem(0);
681        Intent intent = new Intent(FilterShowActivity.TINY_PLANET_ACTION);
682        intent.setClass(mActivity, FilterShowActivity.class);
683        intent.setDataAndType(current.getContentUri(), current.getMimeType())
684            .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
685        intent.putExtra(FilterShowActivity.LAUNCH_FULLSCREEN,
686                mActivity.isFullscreen());
687        mActivity.startActivityForResult(intent, REQUEST_EDIT);
688        overrideTransitionToEditor();
689    }
690
691    private void launchCamera() {
692        Intent intent = new Intent(mActivity, CameraActivity.class)
693            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
694        mRecenterCameraOnResume = false;
695        mActivity.startActivity(intent);
696    }
697
698    private void launchPhotoEditor() {
699        MediaItem current = mModel.getMediaItem(0);
700        if (current == null || (current.getSupportedOperations()
701                & MediaObject.SUPPORT_EDIT) == 0) {
702            return;
703        }
704
705        Intent intent = new Intent(ACTION_NEXTGEN_EDIT);
706
707        intent.setDataAndType(current.getContentUri(), current.getMimeType())
708                .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
709        if (mActivity.getPackageManager()
710                .queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY).size() == 0) {
711            intent.setAction(Intent.ACTION_EDIT);
712        }
713        intent.putExtra(FilterShowActivity.LAUNCH_FULLSCREEN,
714                mActivity.isFullscreen());
715        ((Activity) mActivity).startActivityForResult(Intent.createChooser(intent, null),
716                REQUEST_EDIT);
717        overrideTransitionToEditor();
718    }
719
720    private void requestDeferredUpdate() {
721        mDeferUpdateUntil = SystemClock.uptimeMillis() + DEFERRED_UPDATE_MS;
722        if (!mDeferredUpdateWaiting) {
723            mDeferredUpdateWaiting = true;
724            mHandler.sendEmptyMessageDelayed(MSG_UPDATE_DEFERRED, DEFERRED_UPDATE_MS);
725        }
726    }
727
728    private void updateUIForCurrentPhoto() {
729        if (mCurrentPhoto == null) return;
730
731        // If by swiping or deletion the user ends up on an action item
732        // and zoomed in, zoom out so that the context of the action is
733        // more clear
734        if ((mCurrentPhoto.getSupportedOperations() & MediaObject.SUPPORT_ACTION) != 0
735                && !mPhotoView.getFilmMode()) {
736            mPhotoView.setWantPictureCenterCallbacks(true);
737        }
738
739        updateMenuOperations();
740        refreshBottomControlsWhenReady();
741        if (mShowDetails) {
742            mDetailsHelper.reloadDetails();
743        }
744        if ((mSecureAlbum == null)
745                && (mCurrentPhoto.getSupportedOperations() & MediaItem.SUPPORT_SHARE) != 0) {
746            mCurrentPhoto.getPanoramaSupport(mUpdateShareURICallback);
747        }
748        updateProgressBar();
749    }
750
751    private void updateCurrentPhoto(MediaItem photo) {
752        if (mCurrentPhoto == photo) return;
753        mCurrentPhoto = photo;
754        if (mPhotoView.getFilmMode()) {
755            requestDeferredUpdate();
756        } else {
757            updateUIForCurrentPhoto();
758        }
759    }
760
761    private void updateProgressBar() {
762        if (mProgressBar != null) {
763            mProgressBar.hideProgress();
764            StitchingProgressManager progressManager = mApplication.getStitchingProgressManager();
765            if (progressManager != null && mCurrentPhoto instanceof LocalImage) {
766                Integer progress = progressManager.getProgress(mCurrentPhoto.getContentUri());
767                if (progress != null) {
768                    mProgressBar.setProgress(progress);
769                }
770            }
771        }
772    }
773
774    private void updateMenuOperations() {
775        Menu menu = mActionBar.getMenu();
776
777        // it could be null if onCreateActionBar has not been called yet
778        if (menu == null) return;
779
780        MenuItem item = menu.findItem(R.id.action_slideshow);
781        if (item != null) {
782            item.setVisible((mSecureAlbum == null) && canDoSlideShow());
783        }
784        if (mCurrentPhoto == null) return;
785
786        int supportedOperations = mCurrentPhoto.getSupportedOperations();
787        if (mSecureAlbum != null) {
788            supportedOperations &= MediaObject.SUPPORT_DELETE;
789        } else if (!mHaveImageEditor) {
790            supportedOperations &= ~MediaObject.SUPPORT_EDIT;
791        }
792        MenuExecutor.updateMenuOperation(menu, supportedOperations);
793        mCurrentPhoto.getPanoramaSupport(mUpdatePanoramaMenuItemsCallback);
794    }
795
796    private boolean canDoSlideShow() {
797        if (mMediaSet == null || mCurrentPhoto == null) {
798            return false;
799        }
800        if (mCurrentPhoto.getMediaType() != MediaObject.MEDIA_TYPE_IMAGE) {
801            return false;
802        }
803        return true;
804    }
805
806    //////////////////////////////////////////////////////////////////////////
807    //  Action Bar show/hide management
808    //////////////////////////////////////////////////////////////////////////
809
810    private void showBars() {
811        if (mShowBars) return;
812        mShowBars = true;
813        mOrientationManager.unlockOrientation();
814        mActionBar.show();
815        mActivity.getGLRoot().setLightsOutMode(false);
816        refreshHidingMessage();
817        refreshBottomControlsWhenReady();
818    }
819
820    private void hideBars() {
821        if (!mShowBars) return;
822        mShowBars = false;
823        mActionBar.hide();
824        mActivity.getGLRoot().setLightsOutMode(true);
825        mHandler.removeMessages(MSG_HIDE_BARS);
826        refreshBottomControlsWhenReady();
827    }
828
829    private void refreshHidingMessage() {
830        mHandler.removeMessages(MSG_HIDE_BARS);
831        if (!mIsMenuVisible && !mPhotoView.getFilmMode()) {
832            mHandler.sendEmptyMessageDelayed(MSG_HIDE_BARS, HIDE_BARS_TIMEOUT);
833        }
834    }
835
836    private boolean canShowBars() {
837        // No bars if we are showing camera preview.
838        if (mAppBridge != null && mCurrentIndex == 0
839                && !mPhotoView.getFilmMode()) return false;
840
841        // No bars if it's not allowed.
842        if (!mActionBarAllowed) return false;
843
844        Configuration config = mActivity.getResources().getConfiguration();
845        if (config.touchscreen == Configuration.TOUCHSCREEN_NOTOUCH) {
846            return false;
847        }
848
849        return true;
850    }
851
852    private void wantBars() {
853        if (canShowBars()) showBars();
854    }
855
856    private void toggleBars() {
857        if (mShowBars) {
858            hideBars();
859        } else {
860            if (canShowBars()) showBars();
861        }
862    }
863
864    private void updateBars() {
865        if (!canShowBars()) {
866            hideBars();
867        }
868    }
869
870    @Override
871    protected void onBackPressed() {
872        if (mShowDetails) {
873            hideDetails();
874        } else if (mAppBridge == null || !switchWithCaptureAnimation(-1)) {
875            // We are leaving this page. Set the result now.
876            setResult();
877            if (mStartInFilmstrip && !mPhotoView.getFilmMode()) {
878                mPhotoView.setFilmMode(true);
879            } else if (mTreatBackAsUp) {
880                onUpPressed();
881            } else {
882                super.onBackPressed();
883            }
884        }
885    }
886
887    private void onUpPressed() {
888        if ((mStartInFilmstrip || mAppBridge != null)
889                && !mPhotoView.getFilmMode()) {
890            mPhotoView.setFilmMode(true);
891            return;
892        }
893
894        if (mActivity.getStateManager().getStateCount() > 1) {
895            setResult();
896            super.onBackPressed();
897            return;
898        }
899
900        if (mOriginalSetPathString == null) return;
901
902        if (mAppBridge == null) {
903            // We're in view mode so set up the stacks on our own.
904            Bundle data = new Bundle(getData());
905            data.putString(AlbumPage.KEY_MEDIA_PATH, mOriginalSetPathString);
906            data.putString(AlbumPage.KEY_PARENT_MEDIA_PATH,
907                    mActivity.getDataManager().getTopSetPath(
908                            DataManager.INCLUDE_ALL));
909            mActivity.getStateManager().switchState(this, AlbumPage.class, data);
910        } else {
911            GalleryUtils.startGalleryActivity(mActivity);
912        }
913    }
914
915    private void setResult() {
916        Intent result = null;
917        result = new Intent();
918        result.putExtra(KEY_RETURN_INDEX_HINT, mCurrentIndex);
919        setStateResult(Activity.RESULT_OK, result);
920    }
921
922    //////////////////////////////////////////////////////////////////////////
923    //  AppBridge.Server interface
924    //////////////////////////////////////////////////////////////////////////
925
926    @Override
927    public void setCameraRelativeFrame(Rect frame) {
928        mPhotoView.setCameraRelativeFrame(frame);
929    }
930
931    @Override
932    public boolean switchWithCaptureAnimation(int offset) {
933        return mPhotoView.switchWithCaptureAnimation(offset);
934    }
935
936    @Override
937    public void setSwipingEnabled(boolean enabled) {
938        mPhotoView.setSwipingEnabled(enabled);
939    }
940
941    @Override
942    public void notifyScreenNailChanged() {
943        mScreenNailItem.setScreenNail(mAppBridge.attachScreenNail());
944        mScreenNailSet.notifyChange();
945    }
946
947    @Override
948    public void addSecureAlbumItem(boolean isVideo, int id) {
949        mSecureAlbum.addMediaItem(isVideo, id);
950    }
951
952    @Override
953    protected boolean onCreateActionBar(Menu menu) {
954        mActionBar.createActionBarMenu(R.menu.photo, menu);
955        mHaveImageEditor = GalleryUtils.isEditorAvailable(mActivity, "image/*");
956        updateMenuOperations();
957        mActionBar.setTitle(mMediaSet != null ? mMediaSet.getName() : "");
958        return true;
959    }
960
961    private MenuExecutor.ProgressListener mConfirmDialogListener =
962            new MenuExecutor.ProgressListener() {
963        @Override
964        public void onProgressUpdate(int index) {}
965
966        @Override
967        public void onProgressComplete(int result) {}
968
969        @Override
970        public void onConfirmDialogShown() {
971            mHandler.removeMessages(MSG_HIDE_BARS);
972        }
973
974        @Override
975        public void onConfirmDialogDismissed(boolean confirmed) {
976            refreshHidingMessage();
977        }
978
979        @Override
980        public void onProgressStart() {}
981    };
982
983    private void switchToGrid() {
984        if (mActivity.getStateManager().hasStateClass(AlbumPage.class)) {
985            onUpPressed();
986        } else {
987            if (mOriginalSetPathString == null) return;
988            if (mProgressBar != null) {
989                updateCurrentPhoto(null);
990                mProgressBar.hideProgress();
991            }
992            Bundle data = new Bundle(getData());
993            data.putString(AlbumPage.KEY_MEDIA_PATH, mOriginalSetPathString);
994            data.putString(AlbumPage.KEY_PARENT_MEDIA_PATH,
995                    mActivity.getDataManager().getTopSetPath(
996                            DataManager.INCLUDE_ALL));
997
998            // We only show cluster menu in the first AlbumPage in stack
999            // TODO: Enable this when running from the camera app
1000            boolean inAlbum = mActivity.getStateManager().hasStateClass(AlbumPage.class);
1001            data.putBoolean(AlbumPage.KEY_SHOW_CLUSTER_MENU, !inAlbum
1002                    && mAppBridge == null);
1003
1004            data.putBoolean(PhotoPage.KEY_APP_BRIDGE, mAppBridge != null);
1005
1006            // Account for live preview being first item
1007            mActivity.getTransitionStore().put(KEY_RETURN_INDEX_HINT,
1008                    mAppBridge != null ? mCurrentIndex - 1 : mCurrentIndex);
1009
1010            if (mHasCameraScreennailOrPlaceholder && mAppBridge != null) {
1011                mActivity.getStateManager().startState(AlbumPage.class, data);
1012            } else {
1013                mActivity.getStateManager().switchState(this, AlbumPage.class, data);
1014            }
1015        }
1016    }
1017
1018    @Override
1019    protected boolean onItemSelected(MenuItem item) {
1020        if (mModel == null) return true;
1021        refreshHidingMessage();
1022        MediaItem current = mModel.getMediaItem(0);
1023
1024        // This is a shield for monkey when it clicks the action bar
1025        // menu when transitioning from filmstrip to camera
1026        if (current instanceof SnailItem) return true;
1027        // TODO: We should check the current photo against the MediaItem
1028        // that the menu was initially created for. We need to fix this
1029        // after PhotoPage being refactored.
1030        if (current == null) {
1031            // item is not ready, ignore
1032            return true;
1033        }
1034        int currentIndex = mModel.getCurrentIndex();
1035        Path path = current.getPath();
1036
1037        DataManager manager = mActivity.getDataManager();
1038        int action = item.getItemId();
1039        String confirmMsg = null;
1040        switch (action) {
1041            case android.R.id.home: {
1042                onUpPressed();
1043                return true;
1044            }
1045            case R.id.action_slideshow: {
1046                Bundle data = new Bundle();
1047                data.putString(SlideshowPage.KEY_SET_PATH, mMediaSet.getPath().toString());
1048                data.putString(SlideshowPage.KEY_ITEM_PATH, path.toString());
1049                data.putInt(SlideshowPage.KEY_PHOTO_INDEX, currentIndex);
1050                data.putBoolean(SlideshowPage.KEY_REPEAT, true);
1051                mActivity.getStateManager().startStateForResult(
1052                        SlideshowPage.class, REQUEST_SLIDESHOW, data);
1053                return true;
1054            }
1055            case R.id.action_crop: {
1056                Activity activity = mActivity;
1057                Intent intent = new Intent(FilterShowActivity.CROP_ACTION);
1058                intent.setClass(activity, FilterShowActivity.class);
1059                intent.setDataAndType(manager.getContentUri(path), current.getMimeType())
1060                    .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
1061                activity.startActivityForResult(intent, PicasaSource.isPicasaImage(current)
1062                        ? REQUEST_CROP_PICASA
1063                        : REQUEST_CROP);
1064                return true;
1065            }
1066            case R.id.action_trim: {
1067                Intent intent = new Intent(mActivity, TrimVideo.class);
1068                intent.setData(manager.getContentUri(path));
1069                // We need the file path to wrap this into a RandomAccessFile.
1070                intent.putExtra(KEY_MEDIA_ITEM_PATH, current.getFilePath());
1071                mActivity.startActivityForResult(intent, REQUEST_TRIM);
1072                return true;
1073            }
1074            case R.id.action_mute: {
1075                MuteVideo muteVideo = new MuteVideo(current,
1076                        manager.getContentUri(path), mActivity);
1077                muteVideo.muteInBackground();
1078                return true;
1079            }
1080            case R.id.action_edit: {
1081                launchPhotoEditor();
1082                return true;
1083            }
1084            case R.id.action_details: {
1085                if (mShowDetails) {
1086                    hideDetails();
1087                } else {
1088                    showDetails();
1089                }
1090                return true;
1091            }
1092            case R.id.action_delete:
1093                confirmMsg = mActivity.getResources().getQuantityString(
1094                        R.plurals.delete_selection, 1);
1095            case R.id.action_setas:
1096            case R.id.action_rotate_ccw:
1097            case R.id.action_rotate_cw:
1098            case R.id.action_show_on_map:
1099                mSelectionManager.deSelectAll();
1100                mSelectionManager.toggle(path);
1101                mMenuExecutor.onMenuClicked(item, confirmMsg, mConfirmDialogListener);
1102                return true;
1103            default :
1104                return false;
1105        }
1106    }
1107
1108    private void hideDetails() {
1109        mShowDetails = false;
1110        mDetailsHelper.hide();
1111    }
1112
1113    private void showDetails() {
1114        mShowDetails = true;
1115        if (mDetailsHelper == null) {
1116            mDetailsHelper = new DetailsHelper(mActivity, mRootPane, new MyDetailsSource());
1117            mDetailsHelper.setCloseListener(new CloseListener() {
1118                @Override
1119                public void onClose() {
1120                    hideDetails();
1121                }
1122            });
1123        }
1124        mDetailsHelper.show();
1125    }
1126
1127    ////////////////////////////////////////////////////////////////////////////
1128    //  Callbacks from PhotoView
1129    ////////////////////////////////////////////////////////////////////////////
1130    @Override
1131    public void onSingleTapUp(int x, int y) {
1132        if (mAppBridge != null) {
1133            if (mAppBridge.onSingleTapUp(x, y)) return;
1134        }
1135
1136        MediaItem item = mModel.getMediaItem(0);
1137        if (item == null || item == mScreenNailItem) {
1138            // item is not ready or it is camera preview, ignore
1139            return;
1140        }
1141
1142        int supported = item.getSupportedOperations();
1143        boolean playVideo = ((supported & MediaItem.SUPPORT_PLAY) != 0);
1144        boolean unlock = ((supported & MediaItem.SUPPORT_UNLOCK) != 0);
1145        boolean goBack = ((supported & MediaItem.SUPPORT_BACK) != 0);
1146        boolean launchCamera = ((supported & MediaItem.SUPPORT_CAMERA_SHORTCUT) != 0);
1147
1148        if (playVideo) {
1149            // determine if the point is at center (1/6) of the photo view.
1150            // (The position of the "play" icon is at center (1/6) of the photo)
1151            int w = mPhotoView.getWidth();
1152            int h = mPhotoView.getHeight();
1153            playVideo = (Math.abs(x - w / 2) * 12 <= w)
1154                && (Math.abs(y - h / 2) * 12 <= h);
1155        }
1156
1157        if (playVideo) {
1158            if (mSecureAlbum == null) {
1159                playVideo(mActivity, item.getPlayUri(), item.getName());
1160            } else {
1161                mActivity.getStateManager().finishState(this);
1162            }
1163        } else if (goBack) {
1164            onBackPressed();
1165        } else if (unlock) {
1166            Intent intent = new Intent(mActivity, Gallery.class);
1167            intent.putExtra(Gallery.KEY_DISMISS_KEYGUARD, true);
1168            mActivity.startActivity(intent);
1169        } else if (launchCamera) {
1170            launchCamera();
1171        } else {
1172            toggleBars();
1173        }
1174    }
1175
1176    @Override
1177    public void onActionBarAllowed(boolean allowed) {
1178        mActionBarAllowed = allowed;
1179        mHandler.sendEmptyMessage(MSG_UPDATE_ACTION_BAR);
1180    }
1181
1182    @Override
1183    public void onActionBarWanted() {
1184        mHandler.sendEmptyMessage(MSG_WANT_BARS);
1185    }
1186
1187    @Override
1188    public void onFullScreenChanged(boolean full) {
1189        Message m = mHandler.obtainMessage(
1190                MSG_ON_FULL_SCREEN_CHANGED, full ? 1 : 0, 0);
1191        m.sendToTarget();
1192    }
1193
1194    // How we do delete/undo:
1195    //
1196    // When the user choose to delete a media item, we just tell the
1197    // FilterDeleteSet to hide that item. If the user choose to undo it, we
1198    // again tell FilterDeleteSet not to hide it. If the user choose to commit
1199    // the deletion, we then actually delete the media item.
1200    @Override
1201    public void onDeleteImage(Path path, int offset) {
1202        onCommitDeleteImage();  // commit the previous deletion
1203        mDeletePath = path;
1204        mDeleteIsFocus = (offset == 0);
1205        mMediaSet.addDeletion(path, mCurrentIndex + offset);
1206    }
1207
1208    @Override
1209    public void onUndoDeleteImage() {
1210        if (mDeletePath == null) return;
1211        // If the deletion was done on the focused item, we want the model to
1212        // focus on it when it is undeleted.
1213        if (mDeleteIsFocus) mModel.setFocusHintPath(mDeletePath);
1214        mMediaSet.removeDeletion(mDeletePath);
1215        mDeletePath = null;
1216    }
1217
1218    @Override
1219    public void onCommitDeleteImage() {
1220        if (mDeletePath == null) return;
1221        mMenuExecutor.startSingleItemAction(R.id.action_delete, mDeletePath);
1222        mDeletePath = null;
1223    }
1224
1225    public void playVideo(Activity activity, Uri uri, String title) {
1226        try {
1227            Intent intent = new Intent(Intent.ACTION_VIEW)
1228                    .setDataAndType(uri, "video/*")
1229                    .putExtra(Intent.EXTRA_TITLE, title)
1230                    .putExtra(MovieActivity.KEY_TREAT_UP_AS_BACK, true);
1231            activity.startActivityForResult(intent, REQUEST_PLAY_VIDEO);
1232        } catch (ActivityNotFoundException e) {
1233            Toast.makeText(activity, activity.getString(R.string.video_err),
1234                    Toast.LENGTH_SHORT).show();
1235        }
1236    }
1237
1238    private void setCurrentPhotoByIntent(Intent intent) {
1239        if (intent == null) return;
1240        Path path = mApplication.getDataManager()
1241                .findPathByUri(intent.getData(), intent.getType());
1242        if (path != null) {
1243            Path albumPath = mApplication.getDataManager().getDefaultSetOf(path);
1244            if (!albumPath.equalsIgnoreCase(mOriginalSetPathString)) {
1245                // If the edited image is stored in a different album, we need
1246                // to start a new activity state to show the new image
1247                Bundle data = new Bundle(getData());
1248                data.putString(KEY_MEDIA_SET_PATH, albumPath.toString());
1249                data.putString(PhotoPage.KEY_MEDIA_ITEM_PATH, path.toString());
1250                mActivity.getStateManager().startState(SinglePhotoPage.class, data);
1251                return;
1252            }
1253            mModel.setCurrentPhoto(path, mCurrentIndex);
1254        }
1255    }
1256
1257    @Override
1258    protected void onStateResult(int requestCode, int resultCode, Intent data) {
1259        if (resultCode == Activity.RESULT_CANCELED) {
1260            // This is a reset, not a canceled
1261            return;
1262        }
1263        if (resultCode == ProxyLauncher.RESULT_USER_CANCELED) {
1264            // Unmap reset vs. canceled
1265            resultCode = Activity.RESULT_CANCELED;
1266        }
1267        mRecenterCameraOnResume = false;
1268        switch (requestCode) {
1269            case REQUEST_EDIT:
1270                setCurrentPhotoByIntent(data);
1271                break;
1272            case REQUEST_CROP:
1273                if (resultCode == Activity.RESULT_OK) {
1274                    setCurrentPhotoByIntent(data);
1275                }
1276                break;
1277            case REQUEST_CROP_PICASA: {
1278                if (resultCode == Activity.RESULT_OK) {
1279                    Context context = mActivity.getAndroidContext();
1280                    String message = context.getString(R.string.crop_saved,
1281                            context.getString(R.string.folder_edited_online_photos));
1282                    Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
1283                }
1284                break;
1285            }
1286            case REQUEST_SLIDESHOW: {
1287                if (data == null) break;
1288                String path = data.getStringExtra(SlideshowPage.KEY_ITEM_PATH);
1289                int index = data.getIntExtra(SlideshowPage.KEY_PHOTO_INDEX, 0);
1290                if (path != null) {
1291                    mModel.setCurrentPhoto(Path.fromString(path), index);
1292                }
1293            }
1294        }
1295    }
1296
1297    @Override
1298    public void onPause() {
1299        super.onPause();
1300        mIsActive = false;
1301
1302        mActivity.getGLRoot().unfreeze();
1303        mHandler.removeMessages(MSG_UNFREEZE_GLROOT);
1304
1305        DetailsHelper.pause();
1306        // Hide the detail dialog on exit
1307        if (mShowDetails) hideDetails();
1308        if (mModel != null) {
1309            mModel.pause();
1310        }
1311        mPhotoView.pause();
1312        mHandler.removeMessages(MSG_HIDE_BARS);
1313        mHandler.removeMessages(MSG_REFRESH_BOTTOM_CONTROLS);
1314        refreshBottomControlsWhenReady();
1315        mActionBar.removeOnMenuVisibilityListener(mMenuVisibilityListener);
1316        if (mShowSpinner) {
1317            mActionBar.disableAlbumModeMenu(true);
1318        }
1319        onCommitDeleteImage();
1320        mMenuExecutor.pause();
1321        if (mMediaSet != null) mMediaSet.clearDeletion();
1322    }
1323
1324    @Override
1325    public void onCurrentImageUpdated() {
1326        mActivity.getGLRoot().unfreeze();
1327    }
1328
1329    @Override
1330    public void onFilmModeChanged(boolean enabled) {
1331        refreshBottomControlsWhenReady();
1332        if (mShowSpinner) {
1333            if (enabled) {
1334                mActionBar.enableAlbumModeMenu(
1335                        GalleryActionBar.ALBUM_FILMSTRIP_MODE_SELECTED, this);
1336            } else {
1337                mActionBar.disableAlbumModeMenu(true);
1338            }
1339        }
1340        if (enabled) {
1341            mHandler.removeMessages(MSG_HIDE_BARS);
1342            UsageStatistics.onContentViewChanged(
1343                    UsageStatistics.COMPONENT_GALLERY, "FilmstripPage");
1344        } else {
1345            refreshHidingMessage();
1346            if (mAppBridge == null || mCurrentIndex > 0) {
1347                UsageStatistics.onContentViewChanged(
1348                        UsageStatistics.COMPONENT_GALLERY, "SinglePhotoPage");
1349            } else {
1350                UsageStatistics.onContentViewChanged(
1351                        UsageStatistics.COMPONENT_CAMERA, "Unknown"); // TODO
1352            }
1353        }
1354    }
1355
1356    private void transitionFromAlbumPageIfNeeded() {
1357        TransitionStore transitions = mActivity.getTransitionStore();
1358
1359        int albumPageTransition = transitions.get(
1360                KEY_ALBUMPAGE_TRANSITION, MSG_ALBUMPAGE_NONE);
1361
1362        if (albumPageTransition == MSG_ALBUMPAGE_NONE && mAppBridge != null
1363                && mRecenterCameraOnResume) {
1364            // Generally, resuming the PhotoPage when in Camera should
1365            // reset to the capture mode to allow quick photo taking
1366            mCurrentIndex = 0;
1367            mPhotoView.resetToFirstPicture();
1368        } else {
1369            int resumeIndex = transitions.get(KEY_INDEX_HINT, -1);
1370            if (resumeIndex >= 0) {
1371                if (mHasCameraScreennailOrPlaceholder) {
1372                    // Account for preview/placeholder being the first item
1373                    resumeIndex++;
1374                }
1375                if (resumeIndex < mMediaSet.getMediaItemCount()) {
1376                    mCurrentIndex = resumeIndex;
1377                    mModel.moveTo(mCurrentIndex);
1378                }
1379            }
1380        }
1381
1382        if (albumPageTransition == MSG_ALBUMPAGE_RESUMED) {
1383            mPhotoView.setFilmMode(mStartInFilmstrip || mAppBridge != null);
1384        } else if (albumPageTransition == MSG_ALBUMPAGE_PICKED) {
1385            mPhotoView.setFilmMode(false);
1386        }
1387    }
1388
1389    @Override
1390    protected void onResume() {
1391        super.onResume();
1392
1393        if (mModel == null) {
1394            mActivity.getStateManager().finishState(this);
1395            return;
1396        }
1397        transitionFromAlbumPageIfNeeded();
1398
1399        mActivity.getGLRoot().freeze();
1400        mIsActive = true;
1401        setContentPane(mRootPane);
1402
1403        mModel.resume();
1404        mPhotoView.resume();
1405        mActionBar.setDisplayOptions(
1406                ((mSecureAlbum == null) && (mSetPathString != null)), false);
1407        mActionBar.addOnMenuVisibilityListener(mMenuVisibilityListener);
1408        refreshBottomControlsWhenReady();
1409        if (mShowSpinner && mPhotoView.getFilmMode()) {
1410            mActionBar.enableAlbumModeMenu(
1411                    GalleryActionBar.ALBUM_FILMSTRIP_MODE_SELECTED, this);
1412        }
1413        if (!mShowBars) {
1414            mActionBar.hide();
1415            mActivity.getGLRoot().setLightsOutMode(true);
1416        }
1417        boolean haveImageEditor = GalleryUtils.isEditorAvailable(mActivity, "image/*");
1418        if (haveImageEditor != mHaveImageEditor) {
1419            mHaveImageEditor = haveImageEditor;
1420            updateMenuOperations();
1421        }
1422
1423        mRecenterCameraOnResume = true;
1424        mHandler.sendEmptyMessageDelayed(MSG_UNFREEZE_GLROOT, UNFREEZE_GLROOT_TIMEOUT);
1425    }
1426
1427    @Override
1428    protected void onDestroy() {
1429        if (mAppBridge != null) {
1430            mAppBridge.setServer(null);
1431            mScreenNailItem.setScreenNail(null);
1432            mAppBridge.detachScreenNail();
1433            mAppBridge = null;
1434            mScreenNailSet = null;
1435            mScreenNailItem = null;
1436        }
1437        mActivity.getGLRoot().setOrientationSource(null);
1438        if (mBottomControls != null) mBottomControls.cleanup();
1439
1440        // Remove all pending messages.
1441        mHandler.removeCallbacksAndMessages(null);
1442        super.onDestroy();
1443    }
1444
1445    private class MyDetailsSource implements DetailsSource {
1446
1447        @Override
1448        public MediaDetails getDetails() {
1449            return mModel.getMediaItem(0).getDetails();
1450        }
1451
1452        @Override
1453        public int size() {
1454            return mMediaSet != null ? mMediaSet.getMediaItemCount() : 1;
1455        }
1456
1457        @Override
1458        public int setIndex() {
1459            return mModel.getCurrentIndex();
1460        }
1461    }
1462
1463    @Override
1464    public void onAlbumModeSelected(int mode) {
1465        if (mode == GalleryActionBar.ALBUM_GRID_MODE_SELECTED) {
1466            switchToGrid();
1467        }
1468    }
1469
1470    @Override
1471    public void refreshBottomControlsWhenReady() {
1472        if (mBottomControls == null) {
1473            return;
1474        }
1475        MediaObject currentPhoto = mCurrentPhoto;
1476        if (currentPhoto == null) {
1477            mHandler.obtainMessage(MSG_REFRESH_BOTTOM_CONTROLS, 0, 0, currentPhoto).sendToTarget();
1478        } else {
1479            currentPhoto.getPanoramaSupport(mRefreshBottomControlsCallback);
1480        }
1481    }
1482
1483    private void updatePanoramaUI(boolean isPanorama360) {
1484        Menu menu = mActionBar.getMenu();
1485
1486        // it could be null if onCreateActionBar has not been called yet
1487        if (menu == null) {
1488            return;
1489        }
1490
1491        MenuExecutor.updateMenuForPanorama(menu, isPanorama360, isPanorama360);
1492
1493        if (isPanorama360) {
1494            MenuItem item = menu.findItem(R.id.action_share);
1495            if (item != null) {
1496                item.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1497                item.setTitle(mActivity.getResources().getString(R.string.share_as_photo));
1498            }
1499        } else if ((mCurrentPhoto.getSupportedOperations() & MediaObject.SUPPORT_SHARE) != 0) {
1500            MenuItem item = menu.findItem(R.id.action_share);
1501            if (item != null) {
1502                item.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1503                item.setTitle(mActivity.getResources().getString(R.string.share));
1504            }
1505        }
1506    }
1507
1508    @Override
1509    public void onUndoBarVisibilityChanged(boolean visible) {
1510        refreshBottomControlsWhenReady();
1511    }
1512}
1513