PhotoPage.java revision f12a6b9ea3932fb997d0d36605a2ba27de97beb3 
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.Activity;
21import android.content.ActivityNotFoundException;
22import android.content.Context;
23import android.content.Intent;
24import android.content.pm.PackageManager;
25import android.graphics.Rect;
26import android.net.Uri;
27import android.nfc.NfcAdapter;
28import android.nfc.NfcAdapter.CreateBeamUrisCallback;
29import android.nfc.NfcEvent;
30import android.os.Bundle;
31import android.os.Handler;
32import android.os.Message;
33import android.os.SystemClock;
34import android.widget.RelativeLayout;
35import android.widget.Toast;
36
37import com.android.camera.CameraActivity;
38import com.android.camera.ProxyLauncher;
39
40import com.actionbarsherlock.app.ActionBar.OnMenuVisibilityListener;
41import com.actionbarsherlock.view.Menu;
42import com.actionbarsherlock.view.MenuItem;
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.MtpSource;
56import com.android.gallery3d.data.Path;
57import com.android.gallery3d.data.SecureAlbum;
58import com.android.gallery3d.data.SecureSource;
59import com.android.gallery3d.data.SnailAlbum;
60import com.android.gallery3d.data.SnailItem;
61import com.android.gallery3d.data.SnailSource;
62import com.android.gallery3d.filtershow.FilterShowActivity;
63import com.android.gallery3d.picasasource.PicasaSource;
64import com.android.gallery3d.ui.DetailsHelper;
65import com.android.gallery3d.ui.DetailsHelper.CloseListener;
66import com.android.gallery3d.ui.DetailsHelper.DetailsSource;
67import com.android.gallery3d.ui.GLView;
68import com.android.gallery3d.ui.ImportCompleteListener;
69import com.android.gallery3d.ui.MenuExecutor;
70import com.android.gallery3d.ui.PhotoView;
71import com.android.gallery3d.ui.SelectionManager;
72import com.android.gallery3d.ui.SynchronizedHandler;
73import com.android.gallery3d.util.GalleryUtils;
74
75public abstract class PhotoPage extends ActivityState implements
76        PhotoView.Listener, AppBridge.Server,
77        PhotoPageBottomControls.Delegate, GalleryActionBar.OnAlbumModeSelectedListener {
78    private static final String TAG = "PhotoPage";
79
80    private static final int MSG_HIDE_BARS = 1;
81    private static final int MSG_ON_FULL_SCREEN_CHANGED = 4;
82    private static final int MSG_UPDATE_ACTION_BAR = 5;
83    private static final int MSG_UNFREEZE_GLROOT = 6;
84    private static final int MSG_WANT_BARS = 7;
85    private static final int MSG_REFRESH_BOTTOM_CONTROLS = 8;
86    private static final int MSG_ON_CAMERA_CENTER = 9;
87    private static final int MSG_ON_PICTURE_CENTER = 10;
88    private static final int MSG_REFRESH_IMAGE = 11;
89    private static final int MSG_UPDATE_PHOTO_UI = 12;
90    private static final int MSG_UPDATE_PROGRESS = 13;
91    private static final int MSG_UPDATE_DEFERRED = 14;
92    private static final int MSG_UPDATE_SHARE_URI = 15;
93    private static final int MSG_UPDATE_PANORAMA_UI = 16;
94
95    private static final int HIDE_BARS_TIMEOUT = 3500;
96    private static final int UNFREEZE_GLROOT_TIMEOUT = 250;
97
98    private static final int REQUEST_SLIDESHOW = 1;
99    private static final int REQUEST_CROP = 2;
100    private static final int REQUEST_CROP_PICASA = 3;
101    private static final int REQUEST_EDIT = 4;
102    private static final int REQUEST_PLAY_VIDEO = 5;
103    private static final int REQUEST_TRIM = 6;
104
105    public static final String KEY_MEDIA_SET_PATH = "media-set-path";
106    public static final String KEY_MEDIA_ITEM_PATH = "media-item-path";
107    public static final String KEY_INDEX_HINT = "index-hint";
108    public static final String KEY_OPEN_ANIMATION_RECT = "open-animation-rect";
109    public static final String KEY_APP_BRIDGE = "app-bridge";
110    public static final String KEY_TREAT_BACK_AS_UP = "treat-back-as-up";
111    public static final String KEY_START_IN_FILMSTRIP = "start-in-filmstrip";
112    public static final String KEY_RETURN_INDEX_HINT = "return-index-hint";
113    public static final String KEY_SHOW_WHEN_LOCKED = "show_when_locked";
114    public static final String KEY_IN_CAMERA_ROLL = "in_camera_roll";
115
116    public static final String KEY_ALBUMPAGE_TRANSITION = "albumpage-transition";
117    public static final int MSG_ALBUMPAGE_NONE = 0;
118    public static final int MSG_ALBUMPAGE_STARTED = 1;
119    public static final int MSG_ALBUMPAGE_RESUMED = 2;
120    public static final int MSG_ALBUMPAGE_PICKED = 4;
121
122    public static final String ACTION_NEXTGEN_EDIT = "action_nextgen_edit";
123
124    private GalleryApp mApplication;
125    private SelectionManager mSelectionManager;
126
127    private PhotoView mPhotoView;
128    private PhotoPage.Model mModel;
129    private DetailsHelper mDetailsHelper;
130    private boolean mShowDetails;
131
132    // mMediaSet could be null if there is no KEY_MEDIA_SET_PATH supplied.
133    // E.g., viewing a photo in gmail attachment
134    private FilterDeleteSet mMediaSet;
135
136    // The mediaset used by camera launched from secure lock screen.
137    private SecureAlbum mSecureAlbum;
138
139    private int mCurrentIndex = 0;
140    private Handler mHandler;
141    private boolean mShowBars = true;
142    private volatile boolean mActionBarAllowed = true;
143    private GalleryActionBar mActionBar;
144    private boolean mIsMenuVisible;
145    private boolean mHaveImageEditor;
146    private PhotoPageBottomControls mBottomControls;
147    private PhotoPageProgressBar mProgressBar;
148    private MediaItem mCurrentPhoto = null;
149    private MenuExecutor mMenuExecutor;
150    private boolean mIsActive;
151    private boolean mShowSpinner;
152    private String mSetPathString;
153    // This is the original mSetPathString before adding the camera preview item.
154    private String mOriginalSetPathString;
155    private AppBridge mAppBridge;
156    private SnailItem mScreenNailItem;
157    private SnailAlbum mScreenNailSet;
158    private OrientationManager mOrientationManager;
159    private boolean mTreatBackAsUp;
160    private boolean mStartInFilmstrip;
161    private boolean mHasCameraScreennailOrPlaceholder = false;
162    private boolean mRecenterCameraOnResume = true;
163
164    // These are only valid after the panorama callback
165    private boolean mIsPanorama;
166    private boolean mIsPanorama360;
167
168    private long mCameraSwitchCutoff = 0;
169    private boolean mSkipUpdateCurrentPhoto = false;
170    private static final long CAMERA_SWITCH_CUTOFF_THRESHOLD_MS = 300;
171
172    private static final long DEFERRED_UPDATE_MS = 250;
173    private boolean mDeferredUpdateWaiting = false;
174    private long mDeferUpdateUntil = Long.MAX_VALUE;
175
176    // The item that is deleted (but it can still be undeleted before commiting)
177    private Path mDeletePath;
178    private boolean mDeleteIsFocus;  // whether the deleted item was in focus
179
180    private Uri[] mNfcPushUris = new Uri[1];
181
182    private final MyMenuVisibilityListener mMenuVisibilityListener =
183            new MyMenuVisibilityListener();
184    private UpdateProgressListener mProgressListener;
185
186    private final PanoramaSupportCallback mUpdatePanoramaMenuItemsCallback = new PanoramaSupportCallback() {
187        @Override
188        public void panoramaInfoAvailable(MediaObject mediaObject, boolean isPanorama,
189                boolean isPanorama360) {
190            if (mediaObject == mCurrentPhoto) {
191                mHandler.obtainMessage(MSG_UPDATE_PANORAMA_UI, isPanorama360 ? 1 : 0, 0,
192                        mediaObject).sendToTarget();
193            }
194        }
195    };
196
197    private final PanoramaSupportCallback mRefreshBottomControlsCallback = new PanoramaSupportCallback() {
198        @Override
199        public void panoramaInfoAvailable(MediaObject mediaObject, boolean isPanorama,
200                boolean isPanorama360) {
201            if (mediaObject == mCurrentPhoto) {
202                mHandler.obtainMessage(MSG_REFRESH_BOTTOM_CONTROLS, isPanorama ? 1 : 0, isPanorama360 ? 1 : 0,
203                        mediaObject).sendToTarget();
204            }
205        }
206    };
207
208    private final PanoramaSupportCallback mUpdateShareURICallback = new PanoramaSupportCallback() {
209        @Override
210        public void panoramaInfoAvailable(MediaObject mediaObject, boolean isPanorama,
211                boolean isPanorama360) {
212            if (mediaObject == mCurrentPhoto) {
213                mHandler.obtainMessage(MSG_UPDATE_SHARE_URI, isPanorama360 ? 1 : 0, 0, mediaObject)
214                        .sendToTarget();
215            }
216        }
217    };
218
219    public static interface Model extends PhotoView.Model {
220        public void resume();
221        public void pause();
222        public boolean isEmpty();
223        public void setCurrentPhoto(Path path, int indexHint);
224    }
225
226    private class MyMenuVisibilityListener implements OnMenuVisibilityListener {
227        @Override
228        public void onMenuVisibilityChanged(boolean isVisible) {
229            mIsMenuVisible = isVisible;
230            refreshHidingMessage();
231        }
232    }
233
234    private class UpdateProgressListener implements StitchingChangeListener {
235
236        @Override
237        public void onStitchingResult(Uri uri) {
238            sendUpdate(uri, MSG_REFRESH_IMAGE);
239        }
240
241        @Override
242        public void onStitchingQueued(Uri uri) {
243            sendUpdate(uri, MSG_UPDATE_PROGRESS);
244        }
245
246        @Override
247        public void onStitchingProgress(Uri uri, final int progress) {
248            sendUpdate(uri, MSG_UPDATE_PROGRESS);
249        }
250
251        private void sendUpdate(Uri uri, int message) {
252            MediaObject currentPhoto = mCurrentPhoto;
253            boolean isCurrentPhoto = currentPhoto instanceof LocalImage
254                    && currentPhoto.getContentUri().equals(uri);
255            if (isCurrentPhoto) {
256                mHandler.sendEmptyMessage(message);
257            }
258        }
259    };
260
261    @Override
262    protected int getBackgroundColorId() {
263        return R.color.photo_background;
264    }
265
266    private final GLView mRootPane = new GLView() {
267        @Override
268        protected void onLayout(
269                boolean changed, int left, int top, int right, int bottom) {
270            mPhotoView.layout(0, 0, right - left, bottom - top);
271            if (mShowDetails) {
272                mDetailsHelper.layout(left, mActionBar.getHeight(), right, bottom);
273            }
274        }
275    };
276
277    @Override
278    public void onCreate(Bundle data, Bundle restoreState) {
279        super.onCreate(data, restoreState);
280        mActionBar = mActivity.getGalleryActionBar();
281        mSelectionManager = new SelectionManager(mActivity, false);
282        mMenuExecutor = new MenuExecutor(mActivity, mSelectionManager);
283
284        mPhotoView = new PhotoView(mActivity);
285        mPhotoView.setListener(this);
286        mRootPane.addComponent(mPhotoView);
287        mApplication = (GalleryApp) ((Activity) mActivity).getApplication();
288        mOrientationManager = mActivity.getOrientationManager();
289        mActivity.getGLRoot().setOrientationSource(mOrientationManager);
290
291        mHandler = new SynchronizedHandler(mActivity.getGLRoot()) {
292            @Override
293            public void handleMessage(Message message) {
294                switch (message.what) {
295                    case MSG_HIDE_BARS: {
296                        hideBars();
297                        break;
298                    }
299                    case MSG_REFRESH_BOTTOM_CONTROLS: {
300                        if (mCurrentPhoto == message.obj && mBottomControls != null) {
301                            mIsPanorama = message.arg1 == 1;
302                            mIsPanorama360 = message.arg2 == 1;
303                            mBottomControls.refresh();
304                        }
305                        break;
306                    }
307                    case MSG_ON_FULL_SCREEN_CHANGED: {
308                        mAppBridge.onFullScreenChanged(message.arg1 == 1);
309                        break;
310                    }
311                    case MSG_UPDATE_ACTION_BAR: {
312                        updateBars();
313                        break;
314                    }
315                    case MSG_WANT_BARS: {
316                        wantBars();
317                        break;
318                    }
319                    case MSG_UNFREEZE_GLROOT: {
320                        mActivity.getGLRoot().unfreeze();
321                        break;
322                    }
323                    case MSG_UPDATE_DEFERRED: {
324                        long nextUpdate = mDeferUpdateUntil - SystemClock.uptimeMillis();
325                        if (nextUpdate <= 0) {
326                            mDeferredUpdateWaiting = false;
327                            updateUIForCurrentPhoto();
328                        } else {
329                            mHandler.sendEmptyMessageDelayed(MSG_UPDATE_DEFERRED, nextUpdate);
330                        }
331                        break;
332                    }
333                    case MSG_ON_CAMERA_CENTER: {
334                        mSkipUpdateCurrentPhoto = false;
335                        boolean stayedOnCamera = false;
336                        if (!mPhotoView.getFilmMode()) {
337                            stayedOnCamera = true;
338                        } else if (SystemClock.uptimeMillis() < mCameraSwitchCutoff &&
339                                mMediaSet.getMediaItemCount() > 1) {
340                            mPhotoView.switchToImage(1);
341                        } else {
342                            if (mAppBridge != null) mPhotoView.setFilmMode(false);
343                            stayedOnCamera = true;
344                        }
345
346                        if (stayedOnCamera) {
347                            if (mAppBridge == null) {
348                                launchCamera();
349                                /* We got here by swiping from photo 1 to the
350                                   placeholder, so make it be the thing that
351                                   is in focus when the user presses back from
352                                   the camera app */
353                                mPhotoView.switchToImage(1);
354                            } else {
355                                updateBars();
356                                updateCurrentPhoto(mModel.getMediaItem(0));
357                            }
358                        }
359                        break;
360                    }
361                    case MSG_ON_PICTURE_CENTER: {
362                        if (!mPhotoView.getFilmMode() && mCurrentPhoto != null
363                                && (mCurrentPhoto.getSupportedOperations() & MediaObject.SUPPORT_ACTION) != 0) {
364                            mPhotoView.setFilmMode(true);
365                        }
366                        break;
367                    }
368                    case MSG_REFRESH_IMAGE: {
369                        final MediaItem photo = mCurrentPhoto;
370                        mCurrentPhoto = null;
371                        updateCurrentPhoto(photo);
372                        break;
373                    }
374                    case MSG_UPDATE_PHOTO_UI: {
375                        updateUIForCurrentPhoto();
376                        break;
377                    }
378                    case MSG_UPDATE_PROGRESS: {
379                        updateProgressBar();
380                        break;
381                    }
382                    case MSG_UPDATE_SHARE_URI: {
383                        if (mCurrentPhoto == message.obj) {
384                            boolean isPanorama360 = message.arg1 != 0;
385                            Uri contentUri = mCurrentPhoto.getContentUri();
386                            Intent panoramaIntent = null;
387                            if (isPanorama360) {
388                                panoramaIntent = createSharePanoramaIntent(contentUri);
389                            }
390                            Intent shareIntent = createShareIntent(mCurrentPhoto);
391
392                            mActionBar.setShareIntents(panoramaIntent, shareIntent);
393                            setNfcBeamPushUri(contentUri);
394                        }
395                        break;
396                    }
397                    case MSG_UPDATE_PANORAMA_UI: {
398                        if (mCurrentPhoto == message.obj) {
399                            boolean isPanorama360 = message.arg1 != 0;
400                            updatePanoramaUI(isPanorama360);
401                        }
402                        break;
403                    }
404                    default: throw new AssertionError(message.what);
405                }
406            }
407        };
408
409        mSetPathString = data.getString(KEY_MEDIA_SET_PATH);
410        mOriginalSetPathString = mSetPathString;
411        setupNfcBeamPush();
412        String itemPathString = data.getString(KEY_MEDIA_ITEM_PATH);
413        Path itemPath = itemPathString != null ?
414                Path.fromString(data.getString(KEY_MEDIA_ITEM_PATH)) :
415                    null;
416        mTreatBackAsUp = data.getBoolean(KEY_TREAT_BACK_AS_UP, false);
417        mStartInFilmstrip = data.getBoolean(KEY_START_IN_FILMSTRIP, false);
418        boolean inCameraRoll = data.getBoolean(KEY_IN_CAMERA_ROLL, false);
419        mCurrentIndex = data.getInt(KEY_INDEX_HINT, 0);
420        if (mSetPathString != null) {
421            mShowSpinner = true;
422            mAppBridge = (AppBridge) data.getParcelable(KEY_APP_BRIDGE);
423            if (mAppBridge != null) {
424                mShowBars = false;
425                mHasCameraScreennailOrPlaceholder = true;
426                mAppBridge.setServer(this);
427
428                // Get the ScreenNail from AppBridge and register it.
429                int id = SnailSource.newId();
430                Path screenNailSetPath = SnailSource.getSetPath(id);
431                Path screenNailItemPath = SnailSource.getItemPath(id);
432                mScreenNailSet = (SnailAlbum) mActivity.getDataManager()
433                        .getMediaObject(screenNailSetPath);
434                mScreenNailItem = (SnailItem) mActivity.getDataManager()
435                        .getMediaObject(screenNailItemPath);
436                mScreenNailItem.setScreenNail(mAppBridge.attachScreenNail());
437
438                if (data.getBoolean(KEY_SHOW_WHEN_LOCKED, false)) {
439                    // Set the flag to be on top of the lock screen.
440                    mFlags |= FLAG_SHOW_WHEN_LOCKED;
441                }
442
443                // Don't display "empty album" action item for capture intents.
444                if (!mSetPathString.equals("/local/all/0")) {
445                    // Check if the path is a secure album.
446                    if (SecureSource.isSecurePath(mSetPathString)) {
447                        mSecureAlbum = (SecureAlbum) mActivity.getDataManager()
448                                .getMediaSet(mSetPathString);
449                        mShowSpinner = false;
450                    }
451                    mSetPathString = "/filter/empty/{"+mSetPathString+"}";
452                }
453
454                // Combine the original MediaSet with the one for ScreenNail
455                // from AppBridge.
456                mSetPathString = "/combo/item/{" + screenNailSetPath +
457                        "," + mSetPathString + "}";
458
459                // Start from the screen nail.
460                itemPath = screenNailItemPath;
461            } else if (inCameraRoll && GalleryUtils.isCameraAvailable(mActivity)) {
462                mSetPathString = "/combo/item/{" + FilterSource.FILTER_CAMERA_SHORTCUT +
463                        "," + mSetPathString + "}";
464                mCurrentIndex++;
465                mHasCameraScreennailOrPlaceholder = true;
466            }
467
468            MediaSet originalSet = mActivity.getDataManager()
469                    .getMediaSet(mSetPathString);
470            if (mHasCameraScreennailOrPlaceholder && originalSet instanceof ComboAlbum) {
471                // Use the name of the camera album rather than the default
472                // ComboAlbum behavior
473                ((ComboAlbum) originalSet).useNameOfChild(1);
474            }
475            mSelectionManager.setSourceMediaSet(originalSet);
476            mSetPathString = "/filter/delete/{" + mSetPathString + "}";
477            mMediaSet = (FilterDeleteSet) mActivity.getDataManager()
478                    .getMediaSet(mSetPathString);
479            if (mMediaSet == null) {
480                Log.w(TAG, "failed to restore " + mSetPathString);
481            }
482            if (itemPath == null) {
483                int mediaItemCount = mMediaSet.getMediaItemCount();
484                if (mediaItemCount > 0) {
485                    if (mCurrentIndex >= mediaItemCount) mCurrentIndex = 0;
486                    itemPath = mMediaSet.getMediaItem(mCurrentIndex, 1)
487                        .get(0).getPath();
488                } else {
489                    // Bail out, PhotoPage can't load on an empty album
490                    return;
491                }
492            }
493            PhotoDataAdapter pda = new PhotoDataAdapter(
494                    mActivity, mPhotoView, mMediaSet, itemPath, mCurrentIndex,
495                    mAppBridge == null ? -1 : 0,
496                    mAppBridge == null ? false : mAppBridge.isPanorama(),
497                    mAppBridge == null ? false : mAppBridge.isStaticCamera());
498            mModel = pda;
499            mPhotoView.setModel(mModel);
500
501            pda.setDataListener(new PhotoDataAdapter.DataListener() {
502
503                @Override
504                public void onPhotoChanged(int index, Path item) {
505                    int oldIndex = mCurrentIndex;
506                    mCurrentIndex = index;
507
508                    if (mHasCameraScreennailOrPlaceholder) {
509                        if (mCurrentIndex > 0) {
510                            mSkipUpdateCurrentPhoto = false;
511                        }
512
513                        if (oldIndex == 0 && mCurrentIndex > 0
514                                && !mPhotoView.getFilmMode()) {
515                            mPhotoView.setFilmMode(true);
516                        } else if (oldIndex == 2 && mCurrentIndex == 1) {
517                            mCameraSwitchCutoff = SystemClock.uptimeMillis() +
518                                    CAMERA_SWITCH_CUTOFF_THRESHOLD_MS;
519                            mPhotoView.stopScrolling();
520                        } else if (oldIndex >= 1 && mCurrentIndex == 0) {
521                            mPhotoView.setWantPictureCenterCallbacks(true);
522                            mSkipUpdateCurrentPhoto = true;
523                        }
524                    }
525                    if (!mSkipUpdateCurrentPhoto) {
526                        if (item != null) {
527                            MediaItem photo = mModel.getMediaItem(0);
528                            if (photo != null) updateCurrentPhoto(photo);
529                        }
530                        updateBars();
531                    }
532                    // Reset the timeout for the bars after a swipe
533                    refreshHidingMessage();
534                }
535
536                @Override
537                public void onLoadingFinished(boolean loadingFailed) {
538                    if (!mModel.isEmpty()) {
539                        MediaItem photo = mModel.getMediaItem(0);
540                        if (photo != null) updateCurrentPhoto(photo);
541                    } else if (mIsActive) {
542                        // We only want to finish the PhotoPage if there is no
543                        // deletion that the user can undo.
544                        if (mMediaSet.getNumberOfDeletions() == 0) {
545                            mActivity.getStateManager().finishState(
546                                    PhotoPage.this);
547                        }
548                    }
549                }
550
551                @Override
552                public void onLoadingStarted() {
553                }
554            });
555        } else {
556            // Get default media set by the URI
557            MediaItem mediaItem = (MediaItem)
558                    mActivity.getDataManager().getMediaObject(itemPath);
559            mModel = new SinglePhotoDataAdapter(mActivity, mPhotoView, mediaItem);
560            mPhotoView.setModel(mModel);
561            updateCurrentPhoto(mediaItem);
562            mShowSpinner = false;
563        }
564
565        mPhotoView.setFilmMode(mStartInFilmstrip && mMediaSet.getMediaItemCount() > 1);
566        RelativeLayout galleryRoot = (RelativeLayout) ((Activity) mActivity)
567                .findViewById(mAppBridge != null ? R.id.content : R.id.gallery_root);
568        if (galleryRoot != null) {
569            if (mSecureAlbum == null) {
570                mBottomControls = new PhotoPageBottomControls(this, mActivity, galleryRoot);
571            }
572            StitchingProgressManager progressManager = mApplication.getStitchingProgressManager();
573            if (progressManager != null) {
574                mProgressBar = new PhotoPageProgressBar(mActivity, galleryRoot);
575                mProgressListener = new UpdateProgressListener();
576                progressManager.addChangeListener(mProgressListener);
577                if (mSecureAlbum != null) {
578                    progressManager.addChangeListener(mSecureAlbum);
579                }
580            }
581        }
582    }
583
584    @Override
585    public void onPictureCenter(boolean isCamera) {
586        isCamera = isCamera || (mHasCameraScreennailOrPlaceholder && mAppBridge == null);
587        mPhotoView.setWantPictureCenterCallbacks(false);
588        mHandler.removeMessages(MSG_ON_CAMERA_CENTER);
589        mHandler.removeMessages(MSG_ON_PICTURE_CENTER);
590        mHandler.sendEmptyMessage(isCamera ? MSG_ON_CAMERA_CENTER : MSG_ON_PICTURE_CENTER);
591    }
592
593    @Override
594    public boolean canDisplayBottomControls() {
595        return mIsActive && !mPhotoView.canUndo();
596    }
597
598    @Override
599    public boolean canDisplayBottomControl(int control) {
600        if (mCurrentPhoto == null) {
601            return false;
602        }
603        switch(control) {
604            case R.id.photopage_bottom_control_edit:
605                return mHaveImageEditor && mShowBars
606                        && !mPhotoView.getFilmMode()
607                        && (mCurrentPhoto.getSupportedOperations() & MediaItem.SUPPORT_EDIT) != 0
608                        && mCurrentPhoto.getMediaType() == MediaObject.MEDIA_TYPE_IMAGE;
609            case R.id.photopage_bottom_control_panorama:
610                return mIsPanorama;
611            case R.id.photopage_bottom_control_tiny_planet:
612                return mHaveImageEditor && mShowBars
613                        && mIsPanorama360 && !mPhotoView.getFilmMode();
614            default:
615                return false;
616        }
617    }
618
619    @Override
620    public void onBottomControlClicked(int control) {
621        switch(control) {
622            case R.id.photopage_bottom_control_edit:
623                launchPhotoEditor();
624                return;
625            case R.id.photopage_bottom_control_panorama:
626                mActivity.getPanoramaViewHelper()
627                        .showPanorama(mCurrentPhoto.getContentUri());
628                return;
629            case R.id.photopage_bottom_control_tiny_planet:
630                launchTinyPlanet();
631                return;
632            default:
633                return;
634        }
635    }
636
637    @TargetApi(ApiHelper.VERSION_CODES.JELLY_BEAN)
638    private void setupNfcBeamPush() {
639        if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) return;
640
641        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mActivity);
642        if (adapter != null) {
643            adapter.setBeamPushUris(null, mActivity);
644            adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
645                @Override
646                public Uri[] createBeamUris(NfcEvent event) {
647                    return mNfcPushUris;
648                }
649            }, mActivity);
650        }
651    }
652
653    private void setNfcBeamPushUri(Uri uri) {
654        mNfcPushUris[0] = uri;
655    }
656
657    private static Intent createShareIntent(MediaObject mediaObject) {
658        int type = mediaObject.getMediaType();
659        return new Intent(Intent.ACTION_SEND)
660                .setType(MenuExecutor.getMimeType(type))
661                .putExtra(Intent.EXTRA_STREAM, mediaObject.getContentUri())
662                .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
663    }
664
665    private static Intent createSharePanoramaIntent(Uri contentUri) {
666        return new Intent(Intent.ACTION_SEND)
667                .setType(GalleryUtils.MIME_TYPE_PANORAMA360)
668                .putExtra(Intent.EXTRA_STREAM, contentUri)
669                .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
670    }
671
672    private void overrideTransitionToEditor() {
673        ((Activity) mActivity).overridePendingTransition(android.R.anim.slide_in_left,
674                android.R.anim.fade_out);
675    }
676
677    private void launchTinyPlanet() {
678        // Deep link into tiny planet
679        MediaItem current = mModel.getMediaItem(0);
680        Intent intent = new Intent(FilterShowActivity.TINY_PLANET_ACTION);
681        intent.setClass(mActivity, FilterShowActivity.class);
682        intent.setDataAndType(current.getContentUri(), current.getMimeType())
683            .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
684        intent.putExtra(FilterShowActivity.LAUNCH_FULLSCREEN,
685                mActivity.isFullscreen());
686        mActivity.startActivityForResult(intent, REQUEST_EDIT);
687        overrideTransitionToEditor();
688    }
689
690    private void launchCamera() {
691        Intent intent = new Intent(mActivity, CameraActivity.class)
692            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
693        mRecenterCameraOnResume = false;
694        mActivity.startActivity(intent);
695    }
696
697    private void launchPhotoEditor() {
698        MediaItem current = mModel.getMediaItem(0);
699        if (current == null || (current.getSupportedOperations()
700                & MediaObject.SUPPORT_EDIT) == 0) {
701            return;
702        }
703
704        Intent intent = new Intent(ACTION_NEXTGEN_EDIT);
705
706        intent.setDataAndType(current.getContentUri(), current.getMimeType())
707                .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
708        if (mActivity.getPackageManager()
709                .queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY).size() == 0) {
710            intent.setAction(Intent.ACTION_EDIT);
711        }
712        intent.putExtra(FilterShowActivity.LAUNCH_FULLSCREEN,
713                mActivity.isFullscreen());
714        ((Activity) mActivity).startActivityForResult(Intent.createChooser(intent, null),
715                REQUEST_EDIT);
716        overrideTransitionToEditor();
717    }
718
719    private void requestDeferredUpdate() {
720        mDeferUpdateUntil = SystemClock.uptimeMillis() + DEFERRED_UPDATE_MS;
721        if (!mDeferredUpdateWaiting) {
722            mDeferredUpdateWaiting = true;
723            mHandler.sendEmptyMessageDelayed(MSG_UPDATE_DEFERRED, DEFERRED_UPDATE_MS);
724        }
725    }
726
727    private void updateUIForCurrentPhoto() {
728        if (mCurrentPhoto == null) return;
729
730        // If by swiping or deletion the user ends up on an action item
731        // and zoomed in, zoom out so that the context of the action is
732        // more clear
733        if ((mCurrentPhoto.getSupportedOperations() & MediaObject.SUPPORT_ACTION) != 0
734                && !mPhotoView.getFilmMode()) {
735            mPhotoView.setWantPictureCenterCallbacks(true);
736        }
737
738        updateMenuOperations();
739        refreshBottomControlsWhenReady();
740        if (mShowDetails) {
741            mDetailsHelper.reloadDetails();
742        }
743        if ((mSecureAlbum == null)
744                && (mCurrentPhoto.getSupportedOperations() & MediaItem.SUPPORT_SHARE) != 0) {
745            mCurrentPhoto.getPanoramaSupport(mUpdateShareURICallback);
746        }
747        updateProgressBar();
748    }
749
750    private void updateCurrentPhoto(MediaItem photo) {
751        if (mCurrentPhoto == photo) return;
752        mCurrentPhoto = photo;
753        if (mPhotoView.getFilmMode()) {
754            requestDeferredUpdate();
755        } else {
756            updateUIForCurrentPhoto();
757        }
758    }
759
760    private void updateProgressBar() {
761        if (mProgressBar != null) {
762            mProgressBar.hideProgress();
763            StitchingProgressManager progressManager = mApplication.getStitchingProgressManager();
764            if (progressManager != null && mCurrentPhoto instanceof LocalImage) {
765                Integer progress = progressManager.getProgress(mCurrentPhoto.getContentUri());
766                if (progress != null) {
767                    mProgressBar.setProgress(progress);
768                }
769            }
770        }
771    }
772
773    private void updateMenuOperations() {
774        Menu menu = mActionBar.getMenu();
775
776        // it could be null if onCreateActionBar has not been called yet
777        if (menu == null) return;
778
779        MenuItem item = menu.findItem(R.id.action_slideshow);
780        if (item != null) {
781            item.setVisible((mSecureAlbum == null) && canDoSlideShow());
782        }
783        if (mCurrentPhoto == null) return;
784
785        int supportedOperations = mCurrentPhoto.getSupportedOperations();
786        if (mSecureAlbum != null) {
787            supportedOperations &= MediaObject.SUPPORT_DELETE;
788        } else if (!mHaveImageEditor) {
789            supportedOperations &= ~MediaObject.SUPPORT_EDIT;
790        }
791        MenuExecutor.updateMenuOperation(menu, supportedOperations);
792        mCurrentPhoto.getPanoramaSupport(mUpdatePanoramaMenuItemsCallback);
793    }
794
795    private boolean canDoSlideShow() {
796        if (mMediaSet == null || mCurrentPhoto == null) {
797            return false;
798        }
799        if (mCurrentPhoto.getMediaType() != MediaObject.MEDIA_TYPE_IMAGE) {
800            return false;
801        }
802        if (MtpSource.isMtpPath(mOriginalSetPathString)) {
803            return false;
804        }
805        return true;
806    }
807
808    //////////////////////////////////////////////////////////////////////////
809    //  Action Bar show/hide management
810    //////////////////////////////////////////////////////////////////////////
811
812    private void showBars() {
813        if (mShowBars) return;
814        mShowBars = true;
815        mOrientationManager.unlockOrientation();
816        mActionBar.show();
817        mActivity.getGLRoot().setLightsOutMode(false);
818        refreshHidingMessage();
819        refreshBottomControlsWhenReady();
820    }
821
822    private void hideBars() {
823        if (!mShowBars) return;
824        mShowBars = false;
825        mActionBar.hide();
826        mActivity.getGLRoot().setLightsOutMode(true);
827        mHandler.removeMessages(MSG_HIDE_BARS);
828        refreshBottomControlsWhenReady();
829    }
830
831    private void refreshHidingMessage() {
832        mHandler.removeMessages(MSG_HIDE_BARS);
833        if (!mIsMenuVisible && !mPhotoView.getFilmMode()) {
834            mHandler.sendEmptyMessageDelayed(MSG_HIDE_BARS, HIDE_BARS_TIMEOUT);
835        }
836    }
837
838    private boolean canShowBars() {
839        // No bars if we are showing camera preview.
840        if (mAppBridge != null && mCurrentIndex == 0
841                && !mPhotoView.getFilmMode()) return false;
842
843        // No bars if it's not allowed.
844        if (!mActionBarAllowed) return false;
845
846        return true;
847    }
848
849    private void wantBars() {
850        if (canShowBars()) showBars();
851    }
852
853    private void toggleBars() {
854        if (mShowBars) {
855            hideBars();
856        } else {
857            if (canShowBars()) showBars();
858        }
859    }
860
861    private void updateBars() {
862        if (!canShowBars()) {
863            hideBars();
864        }
865    }
866
867    @Override
868    protected void onBackPressed() {
869        if (mShowDetails) {
870            hideDetails();
871        } else if (mAppBridge == null || !switchWithCaptureAnimation(-1)) {
872            // We are leaving this page. Set the result now.
873            setResult();
874            if (mStartInFilmstrip && !mPhotoView.getFilmMode()) {
875                mPhotoView.setFilmMode(true);
876            } else if (mTreatBackAsUp) {
877                onUpPressed();
878            } else {
879                super.onBackPressed();
880            }
881        }
882    }
883
884    private void onUpPressed() {
885        if ((mStartInFilmstrip || mAppBridge != null)
886                && !mPhotoView.getFilmMode()) {
887            mPhotoView.setFilmMode(true);
888            return;
889        }
890
891        if (mActivity.getStateManager().getStateCount() > 1) {
892            setResult();
893            super.onBackPressed();
894            return;
895        }
896
897        if (mOriginalSetPathString == null) return;
898
899        if (mAppBridge == null) {
900            // We're in view mode so set up the stacks on our own.
901            Bundle data = new Bundle(getData());
902            data.putString(AlbumPage.KEY_MEDIA_PATH, mOriginalSetPathString);
903            data.putString(AlbumPage.KEY_PARENT_MEDIA_PATH,
904                    mActivity.getDataManager().getTopSetPath(
905                            DataManager.INCLUDE_ALL));
906            mActivity.getStateManager().switchState(this, AlbumPage.class, data);
907        } else {
908            GalleryUtils.startGalleryActivity(mActivity);
909        }
910    }
911
912    private void setResult() {
913        Intent result = null;
914        result = new Intent();
915        result.putExtra(KEY_RETURN_INDEX_HINT, mCurrentIndex);
916        setStateResult(Activity.RESULT_OK, result);
917    }
918
919    //////////////////////////////////////////////////////////////////////////
920    //  AppBridge.Server interface
921    //////////////////////////////////////////////////////////////////////////
922
923    @Override
924    public void setCameraRelativeFrame(Rect frame) {
925        mPhotoView.setCameraRelativeFrame(frame);
926    }
927
928    @Override
929    public boolean switchWithCaptureAnimation(int offset) {
930        return mPhotoView.switchWithCaptureAnimation(offset);
931    }
932
933    @Override
934    public void setSwipingEnabled(boolean enabled) {
935        mPhotoView.setSwipingEnabled(enabled);
936    }
937
938    @Override
939    public void notifyScreenNailChanged() {
940        mScreenNailItem.setScreenNail(mAppBridge.attachScreenNail());
941        mScreenNailSet.notifyChange();
942    }
943
944    @Override
945    public void addSecureAlbumItem(boolean isVideo, int id) {
946        mSecureAlbum.addMediaItem(isVideo, id);
947    }
948
949    @Override
950    protected boolean onCreateActionBar(Menu menu) {
951        mActionBar.createActionBarMenu(R.menu.photo, menu);
952        mHaveImageEditor = GalleryUtils.isEditorAvailable(mActivity, "image/*");
953        updateMenuOperations();
954        mActionBar.setTitle(mMediaSet != null ? mMediaSet.getName() : "");
955        return true;
956    }
957
958    private MenuExecutor.ProgressListener mConfirmDialogListener =
959            new MenuExecutor.ProgressListener() {
960        @Override
961        public void onProgressUpdate(int index) {}
962
963        @Override
964        public void onProgressComplete(int result) {}
965
966        @Override
967        public void onConfirmDialogShown() {
968            mHandler.removeMessages(MSG_HIDE_BARS);
969        }
970
971        @Override
972        public void onConfirmDialogDismissed(boolean confirmed) {
973            refreshHidingMessage();
974        }
975
976        @Override
977        public void onProgressStart() {}
978    };
979
980    private void switchToGrid() {
981        if (mActivity.getStateManager().hasStateClass(AlbumPage.class)) {
982            onUpPressed();
983        } else {
984            if (mOriginalSetPathString == null) return;
985            if (mProgressBar != null) {
986                updateCurrentPhoto(null);
987                mProgressBar.hideProgress();
988            }
989            Bundle data = new Bundle(getData());
990            data.putString(AlbumPage.KEY_MEDIA_PATH, mOriginalSetPathString);
991            data.putString(AlbumPage.KEY_PARENT_MEDIA_PATH,
992                    mActivity.getDataManager().getTopSetPath(
993                            DataManager.INCLUDE_ALL));
994
995            // We only show cluster menu in the first AlbumPage in stack
996            // TODO: Enable this when running from the camera app
997            boolean inAlbum = mActivity.getStateManager().hasStateClass(AlbumPage.class);
998            data.putBoolean(AlbumPage.KEY_SHOW_CLUSTER_MENU, !inAlbum
999                    && mAppBridge == null);
1000
1001            data.putBoolean(PhotoPage.KEY_APP_BRIDGE, mAppBridge != null);
1002
1003            // Account for live preview being first item
1004            mActivity.getTransitionStore().put(KEY_RETURN_INDEX_HINT,
1005                    mAppBridge != null ? mCurrentIndex - 1 : mCurrentIndex);
1006
1007            if (mHasCameraScreennailOrPlaceholder && mAppBridge != null) {
1008                mActivity.getStateManager().startState(AlbumPage.class, data);
1009            } else {
1010                mActivity.getStateManager().switchState(this, AlbumPage.class, data);
1011            }
1012        }
1013    }
1014
1015    @Override
1016    protected boolean onItemSelected(MenuItem item) {
1017        if (mModel == null) return true;
1018        refreshHidingMessage();
1019        MediaItem current = mModel.getMediaItem(0);
1020
1021        // This is a shield for monkey when it clicks the action bar
1022        // menu when transitioning from filmstrip to camera
1023        if (current instanceof SnailItem) return true;
1024        // TODO: We should check the current photo against the MediaItem
1025        // that the menu was initially created for. We need to fix this
1026        // after PhotoPage being refactored.
1027        if (current == null) {
1028            // item is not ready, ignore
1029            return true;
1030        }
1031        int currentIndex = mModel.getCurrentIndex();
1032        Path path = current.getPath();
1033
1034        DataManager manager = mActivity.getDataManager();
1035        int action = item.getItemId();
1036        String confirmMsg = null;
1037        switch (action) {
1038            case android.R.id.home: {
1039                onUpPressed();
1040                return true;
1041            }
1042            case R.id.action_slideshow: {
1043                Bundle data = new Bundle();
1044                data.putString(SlideshowPage.KEY_SET_PATH, mMediaSet.getPath().toString());
1045                data.putString(SlideshowPage.KEY_ITEM_PATH, path.toString());
1046                data.putInt(SlideshowPage.KEY_PHOTO_INDEX, currentIndex);
1047                data.putBoolean(SlideshowPage.KEY_REPEAT, true);
1048                mActivity.getStateManager().startStateForResult(
1049                        SlideshowPage.class, REQUEST_SLIDESHOW, data);
1050                return true;
1051            }
1052            case R.id.action_crop: {
1053                Activity activity = mActivity;
1054                Intent intent = new Intent(FilterShowActivity.CROP_ACTION);
1055                intent.setClass(activity, FilterShowActivity.class);
1056                intent.setDataAndType(manager.getContentUri(path), current.getMimeType())
1057                    .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
1058                activity.startActivityForResult(intent, PicasaSource.isPicasaImage(current)
1059                        ? REQUEST_CROP_PICASA
1060                        : REQUEST_CROP);
1061                return true;
1062            }
1063            case R.id.action_trim: {
1064                Intent intent = new Intent(mActivity, TrimVideo.class);
1065                intent.setData(manager.getContentUri(path));
1066                // We need the file path to wrap this into a RandomAccessFile.
1067                intent.putExtra(KEY_MEDIA_ITEM_PATH, current.getFilePath());
1068                mActivity.startActivityForResult(intent, REQUEST_TRIM);
1069                return true;
1070            }
1071            case R.id.action_mute: {
1072                MuteVideo muteVideo = new MuteVideo(current,
1073                        manager.getContentUri(path), mActivity);
1074                muteVideo.muteInBackground();
1075                return true;
1076            }
1077            case R.id.action_edit: {
1078                launchPhotoEditor();
1079                return true;
1080            }
1081            case R.id.action_details: {
1082                if (mShowDetails) {
1083                    hideDetails();
1084                } else {
1085                    showDetails();
1086                }
1087                return true;
1088            }
1089            case R.id.action_delete:
1090                confirmMsg = mActivity.getResources().getQuantityString(
1091                        R.plurals.delete_selection, 1);
1092            case R.id.action_setas:
1093            case R.id.action_rotate_ccw:
1094            case R.id.action_rotate_cw:
1095            case R.id.action_show_on_map:
1096                mSelectionManager.deSelectAll();
1097                mSelectionManager.toggle(path);
1098                mMenuExecutor.onMenuClicked(item, confirmMsg, mConfirmDialogListener);
1099                return true;
1100            case R.id.action_import:
1101                mSelectionManager.deSelectAll();
1102                mSelectionManager.toggle(path);
1103                mMenuExecutor.onMenuClicked(item, confirmMsg,
1104                        new ImportCompleteListener(mActivity));
1105                return true;
1106            default :
1107                return false;
1108        }
1109    }
1110
1111    private void hideDetails() {
1112        mShowDetails = false;
1113        mDetailsHelper.hide();
1114    }
1115
1116    private void showDetails() {
1117        mShowDetails = true;
1118        if (mDetailsHelper == null) {
1119            mDetailsHelper = new DetailsHelper(mActivity, mRootPane, new MyDetailsSource());
1120            mDetailsHelper.setCloseListener(new CloseListener() {
1121                @Override
1122                public void onClose() {
1123                    hideDetails();
1124                }
1125            });
1126        }
1127        mDetailsHelper.show();
1128    }
1129
1130    ////////////////////////////////////////////////////////////////////////////
1131    //  Callbacks from PhotoView
1132    ////////////////////////////////////////////////////////////////////////////
1133    @Override
1134    public void onSingleTapUp(int x, int y) {
1135        if (mAppBridge != null) {
1136            if (mAppBridge.onSingleTapUp(x, y)) return;
1137        }
1138
1139        MediaItem item = mModel.getMediaItem(0);
1140        if (item == null || item == mScreenNailItem) {
1141            // item is not ready or it is camera preview, ignore
1142            return;
1143        }
1144
1145        int supported = item.getSupportedOperations();
1146        boolean playVideo = ((supported & MediaItem.SUPPORT_PLAY) != 0);
1147        boolean unlock = ((supported & MediaItem.SUPPORT_UNLOCK) != 0);
1148        boolean goBack = ((supported & MediaItem.SUPPORT_BACK) != 0);
1149        boolean launchCamera = ((supported & MediaItem.SUPPORT_CAMERA_SHORTCUT) != 0);
1150
1151        if (playVideo) {
1152            // determine if the point is at center (1/6) of the photo view.
1153            // (The position of the "play" icon is at center (1/6) of the photo)
1154            int w = mPhotoView.getWidth();
1155            int h = mPhotoView.getHeight();
1156            playVideo = (Math.abs(x - w / 2) * 12 <= w)
1157                && (Math.abs(y - h / 2) * 12 <= h);
1158        }
1159
1160        if (playVideo) {
1161            if (mSecureAlbum == null) {
1162                playVideo(mActivity, item.getPlayUri(), item.getName());
1163            } else {
1164                mActivity.getStateManager().finishState(this);
1165            }
1166        } else if (goBack) {
1167            onBackPressed();
1168        } else if (unlock) {
1169            mActivity.getStateManager().finishState(this);
1170        } else if (launchCamera) {
1171            launchCamera();
1172        } else {
1173            toggleBars();
1174        }
1175    }
1176
1177    @Override
1178    public void onActionBarAllowed(boolean allowed) {
1179        mActionBarAllowed = allowed;
1180        mHandler.sendEmptyMessage(MSG_UPDATE_ACTION_BAR);
1181    }
1182
1183    @Override
1184    public void onActionBarWanted() {
1185        mHandler.sendEmptyMessage(MSG_WANT_BARS);
1186    }
1187
1188    @Override
1189    public void onFullScreenChanged(boolean full) {
1190        Message m = mHandler.obtainMessage(
1191                MSG_ON_FULL_SCREEN_CHANGED, full ? 1 : 0, 0);
1192        m.sendToTarget();
1193    }
1194
1195    // How we do delete/undo:
1196    //
1197    // When the user choose to delete a media item, we just tell the
1198    // FilterDeleteSet to hide that item. If the user choose to undo it, we
1199    // again tell FilterDeleteSet not to hide it. If the user choose to commit
1200    // the deletion, we then actually delete the media item.
1201    @Override
1202    public void onDeleteImage(Path path, int offset) {
1203        onCommitDeleteImage();  // commit the previous deletion
1204        mDeletePath = path;
1205        mDeleteIsFocus = (offset == 0);
1206        mMediaSet.addDeletion(path, mCurrentIndex + offset);
1207    }
1208
1209    @Override
1210    public void onUndoDeleteImage() {
1211        if (mDeletePath == null) return;
1212        // If the deletion was done on the focused item, we want the model to
1213        // focus on it when it is undeleted.
1214        if (mDeleteIsFocus) mModel.setFocusHintPath(mDeletePath);
1215        mMediaSet.removeDeletion(mDeletePath);
1216        mDeletePath = null;
1217    }
1218
1219    @Override
1220    public void onCommitDeleteImage() {
1221        if (mDeletePath == null) return;
1222        mSelectionManager.deSelectAll();
1223        mSelectionManager.toggle(mDeletePath);
1224        mMenuExecutor.onMenuClicked(R.id.action_delete, null, true, false);
1225        mDeletePath = null;
1226    }
1227
1228    public void playVideo(Activity activity, Uri uri, String title) {
1229        try {
1230            Intent intent = new Intent(Intent.ACTION_VIEW)
1231                    .setDataAndType(uri, "video/*")
1232                    .putExtra(Intent.EXTRA_TITLE, title)
1233                    .putExtra(MovieActivity.KEY_TREAT_UP_AS_BACK, true);
1234            activity.startActivityForResult(intent, REQUEST_PLAY_VIDEO);
1235        } catch (ActivityNotFoundException e) {
1236            Toast.makeText(activity, activity.getString(R.string.video_err),
1237                    Toast.LENGTH_SHORT).show();
1238        }
1239    }
1240
1241    private void setCurrentPhotoByIntent(Intent intent) {
1242        if (intent == null) return;
1243        Path path = mApplication.getDataManager()
1244                .findPathByUri(intent.getData(), intent.getType());
1245        if (path != null) {
1246            Path albumPath = mApplication.getDataManager().getDefaultSetOf(path);
1247            if (!albumPath.equalsIgnoreCase(mOriginalSetPathString)) {
1248                // If the edited image is stored in a different album, we need
1249                // to start a new activity state to show the new image
1250                Bundle data = new Bundle(getData());
1251                data.putString(KEY_MEDIA_SET_PATH, albumPath.toString());
1252                data.putString(PhotoPage.KEY_MEDIA_ITEM_PATH, path.toString());
1253                mActivity.getStateManager().startState(SinglePhotoPage.class, data);
1254                return;
1255            }
1256            mModel.setCurrentPhoto(path, mCurrentIndex);
1257        }
1258    }
1259
1260    @Override
1261    protected void onStateResult(int requestCode, int resultCode, Intent data) {
1262        if (resultCode == Activity.RESULT_CANCELED) {
1263            // This is a reset, not a canceled
1264            return;
1265        }
1266        if (resultCode == ProxyLauncher.RESULT_USER_CANCELED) {
1267            // Unmap reset vs. canceled
1268            resultCode = Activity.RESULT_CANCELED;
1269        }
1270        mRecenterCameraOnResume = false;
1271        switch (requestCode) {
1272            case REQUEST_EDIT:
1273                setCurrentPhotoByIntent(data);
1274                break;
1275            case REQUEST_CROP:
1276                if (resultCode == Activity.RESULT_OK) {
1277                    setCurrentPhotoByIntent(data);
1278                }
1279                break;
1280            case REQUEST_CROP_PICASA: {
1281                if (resultCode == Activity.RESULT_OK) {
1282                    Context context = mActivity.getAndroidContext();
1283                    String message = context.getString(R.string.crop_saved,
1284                            context.getString(R.string.folder_edited_online_photos));
1285                    Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
1286                }
1287                break;
1288            }
1289            case REQUEST_SLIDESHOW: {
1290                if (data == null) break;
1291                String path = data.getStringExtra(SlideshowPage.KEY_ITEM_PATH);
1292                int index = data.getIntExtra(SlideshowPage.KEY_PHOTO_INDEX, 0);
1293                if (path != null) {
1294                    mModel.setCurrentPhoto(Path.fromString(path), index);
1295                }
1296            }
1297        }
1298    }
1299
1300    @Override
1301    public void onPause() {
1302        super.onPause();
1303        mIsActive = false;
1304
1305        mActivity.getGLRoot().unfreeze();
1306        mHandler.removeMessages(MSG_UNFREEZE_GLROOT);
1307
1308        DetailsHelper.pause();
1309        // Hide the detail dialog on exit
1310        if (mShowDetails) hideDetails();
1311        if (mModel != null) {
1312            mModel.pause();
1313        }
1314        mPhotoView.pause();
1315        mHandler.removeMessages(MSG_HIDE_BARS);
1316        mHandler.removeMessages(MSG_REFRESH_BOTTOM_CONTROLS);
1317        refreshBottomControlsWhenReady();
1318        mActionBar.removeOnMenuVisibilityListener(mMenuVisibilityListener);
1319        if (mShowSpinner) {
1320            mActionBar.disableAlbumModeMenu(true);
1321        }
1322        onCommitDeleteImage();
1323        mMenuExecutor.pause();
1324        if (mMediaSet != null) mMediaSet.clearDeletion();
1325    }
1326
1327    @Override
1328    public void onCurrentImageUpdated() {
1329        mActivity.getGLRoot().unfreeze();
1330    }
1331
1332    @Override
1333    public void onFilmModeChanged(boolean enabled) {
1334        refreshBottomControlsWhenReady();
1335        if (mShowSpinner) {
1336            if (enabled) {
1337                mActionBar.enableAlbumModeMenu(
1338                        GalleryActionBar.ALBUM_FILMSTRIP_MODE_SELECTED, this);
1339            } else {
1340                mActionBar.disableAlbumModeMenu(true);
1341            }
1342        }
1343        if (enabled) {
1344            mHandler.removeMessages(MSG_HIDE_BARS);
1345        } else {
1346            refreshHidingMessage();
1347        }
1348    }
1349
1350    private void transitionFromAlbumPageIfNeeded() {
1351        TransitionStore transitions = mActivity.getTransitionStore();
1352
1353        int albumPageTransition = transitions.get(
1354                KEY_ALBUMPAGE_TRANSITION, MSG_ALBUMPAGE_NONE);
1355
1356        if (albumPageTransition == MSG_ALBUMPAGE_NONE && mAppBridge != null
1357                && mRecenterCameraOnResume) {
1358            // Generally, resuming the PhotoPage when in Camera should
1359            // reset to the capture mode to allow quick photo taking
1360            mCurrentIndex = 0;
1361            mPhotoView.resetToFirstPicture();
1362        } else {
1363            int resumeIndex = transitions.get(KEY_INDEX_HINT, -1);
1364            if (resumeIndex >= 0) {
1365                if (mHasCameraScreennailOrPlaceholder) {
1366                    // Account for preview/placeholder being the first item
1367                    resumeIndex++;
1368                }
1369                if (resumeIndex < mMediaSet.getMediaItemCount()) {
1370                    mCurrentIndex = resumeIndex;
1371                    mModel.moveTo(mCurrentIndex);
1372                }
1373            }
1374        }
1375
1376        if (albumPageTransition == MSG_ALBUMPAGE_RESUMED) {
1377            mPhotoView.setFilmMode(mStartInFilmstrip || mAppBridge != null);
1378        } else if (albumPageTransition == MSG_ALBUMPAGE_PICKED) {
1379            mPhotoView.setFilmMode(false);
1380        }
1381    }
1382
1383    @Override
1384    protected void onResume() {
1385        super.onResume();
1386
1387        if (mModel == null) {
1388            mActivity.getStateManager().finishState(this);
1389            return;
1390        }
1391        transitionFromAlbumPageIfNeeded();
1392
1393        mActivity.getGLRoot().freeze();
1394        mIsActive = true;
1395        setContentPane(mRootPane);
1396
1397        mModel.resume();
1398        mPhotoView.resume();
1399        mActionBar.setDisplayOptions(
1400                ((mSecureAlbum == null) && (mSetPathString != null)), false);
1401        mActionBar.addOnMenuVisibilityListener(mMenuVisibilityListener);
1402        refreshBottomControlsWhenReady();
1403        if (mShowSpinner && mPhotoView.getFilmMode()) {
1404            mActionBar.enableAlbumModeMenu(
1405                    GalleryActionBar.ALBUM_FILMSTRIP_MODE_SELECTED, this);
1406        }
1407        if (!mShowBars) {
1408            mActionBar.hide();
1409            mActivity.getGLRoot().setLightsOutMode(true);
1410        }
1411        boolean haveImageEditor = GalleryUtils.isEditorAvailable(mActivity, "image/*");
1412        if (haveImageEditor != mHaveImageEditor) {
1413            mHaveImageEditor = haveImageEditor;
1414            updateMenuOperations();
1415        }
1416
1417        mRecenterCameraOnResume = true;
1418        mHandler.sendEmptyMessageDelayed(MSG_UNFREEZE_GLROOT, UNFREEZE_GLROOT_TIMEOUT);
1419    }
1420
1421    @Override
1422    protected void onDestroy() {
1423        if (mAppBridge != null) {
1424            mAppBridge.setServer(null);
1425            mScreenNailItem.setScreenNail(null);
1426            mAppBridge.detachScreenNail();
1427            mAppBridge = null;
1428            mScreenNailSet = null;
1429            mScreenNailItem = null;
1430        }
1431        mActivity.getGLRoot().setOrientationSource(null);
1432        if (mBottomControls != null) mBottomControls.cleanup();
1433
1434        // Remove all pending messages.
1435        mHandler.removeCallbacksAndMessages(null);
1436        super.onDestroy();
1437    }
1438
1439    private class MyDetailsSource implements DetailsSource {
1440
1441        @Override
1442        public MediaDetails getDetails() {
1443            return mModel.getMediaItem(0).getDetails();
1444        }
1445
1446        @Override
1447        public int size() {
1448            return mMediaSet != null ? mMediaSet.getMediaItemCount() : 1;
1449        }
1450
1451        @Override
1452        public int setIndex() {
1453            return mModel.getCurrentIndex();
1454        }
1455    }
1456
1457    @Override
1458    public void onAlbumModeSelected(int mode) {
1459        if (mode == GalleryActionBar.ALBUM_GRID_MODE_SELECTED) {
1460            switchToGrid();
1461        }
1462    }
1463
1464    @Override
1465    public void refreshBottomControlsWhenReady() {
1466        if (mBottomControls == null) {
1467            return;
1468        }
1469        MediaObject currentPhoto = mCurrentPhoto;
1470        if (currentPhoto == null) {
1471            mHandler.obtainMessage(MSG_REFRESH_BOTTOM_CONTROLS, 0, 0, currentPhoto).sendToTarget();
1472        } else {
1473            currentPhoto.getPanoramaSupport(mRefreshBottomControlsCallback);
1474        }
1475    }
1476
1477    private void updatePanoramaUI(boolean isPanorama360) {
1478        Menu menu = mActionBar.getMenu();
1479
1480        // it could be null if onCreateActionBar has not been called yet
1481        if (menu == null) {
1482            return;
1483        }
1484
1485        MenuExecutor.updateMenuForPanorama(menu, isPanorama360, isPanorama360);
1486
1487        if (isPanorama360) {
1488            MenuItem item = menu.findItem(R.id.action_share);
1489            if (item != null) {
1490                item.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1491                item.setTitle(mActivity.getResources().getString(R.string.share_as_photo));
1492            }
1493        } else if ((mCurrentPhoto.getSupportedOperations() & MediaObject.SUPPORT_SHARE) != 0) {
1494            MenuItem item = menu.findItem(R.id.action_share);
1495            if (item != null) {
1496                item.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1497                item.setTitle(mActivity.getResources().getString(R.string.share));
1498            }
1499        }
1500    }
1501
1502    @Override
1503    public void onUndoBarVisibilityChanged(boolean visible) {
1504        refreshBottomControlsWhenReady();
1505    }
1506}
1507