PhotoPage.java revision 372152961edd8feada0ae6478c91ba6b2565191d 
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 class PhotoPage extends ActivityState implements
76        PhotoView.Listener, OrientationManager.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        mOrientationManager.addListener(this);
290        mActivity.getGLRoot().setOrientationSource(mOrientationManager);
291
292        mHandler = new SynchronizedHandler(mActivity.getGLRoot()) {
293            @Override
294            public void handleMessage(Message message) {
295                switch (message.what) {
296                    case MSG_HIDE_BARS: {
297                        hideBars();
298                        break;
299                    }
300                    case MSG_REFRESH_BOTTOM_CONTROLS: {
301                        if (mCurrentPhoto == message.obj && mBottomControls != null) {
302                            mIsPanorama = message.arg1 == 1;
303                            mIsPanorama360 = message.arg2 == 1;
304                            mBottomControls.refresh();
305                        }
306                        break;
307                    }
308                    case MSG_ON_FULL_SCREEN_CHANGED: {
309                        mAppBridge.onFullScreenChanged(message.arg1 == 1);
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) {
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.slide_in_left,
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        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    public void onOrientationCompensationChanged() {
869        mActivity.getGLRoot().requestLayoutContentPane();
870    }
871
872    @Override
873    protected void onBackPressed() {
874        if (mShowDetails) {
875            hideDetails();
876        } else if (mAppBridge == null || !switchWithCaptureAnimation(-1)) {
877            // We are leaving this page. Set the result now.
878            setResult();
879            if (mStartInFilmstrip && !mPhotoView.getFilmMode()) {
880                mPhotoView.setFilmMode(true);
881            } else if (mTreatBackAsUp) {
882                onUpPressed();
883            } else {
884                super.onBackPressed();
885            }
886        }
887    }
888
889    private void onUpPressed() {
890        if ((mStartInFilmstrip || mAppBridge != null)
891                && !mPhotoView.getFilmMode()) {
892            mPhotoView.setFilmMode(true);
893            return;
894        }
895
896        if (mActivity.getStateManager().getStateCount() > 1) {
897            setResult();
898            super.onBackPressed();
899            return;
900        }
901
902        if (mOriginalSetPathString == null) return;
903
904        if (mAppBridge == null) {
905            // We're in view mode so set up the stacks on our own.
906            Bundle data = new Bundle(getData());
907            data.putString(AlbumPage.KEY_MEDIA_PATH, mOriginalSetPathString);
908            data.putString(AlbumPage.KEY_PARENT_MEDIA_PATH,
909                    mActivity.getDataManager().getTopSetPath(
910                            DataManager.INCLUDE_ALL));
911            mActivity.getStateManager().switchState(this, AlbumPage.class, data);
912        } else {
913            GalleryUtils.startGalleryActivity(mActivity);
914        }
915    }
916
917    private void setResult() {
918        Intent result = null;
919        result = new Intent();
920        result.putExtra(KEY_RETURN_INDEX_HINT, mCurrentIndex);
921        setStateResult(Activity.RESULT_OK, result);
922    }
923
924    //////////////////////////////////////////////////////////////////////////
925    //  AppBridge.Server interface
926    //////////////////////////////////////////////////////////////////////////
927
928    @Override
929    public void setCameraRelativeFrame(Rect frame) {
930        mPhotoView.setCameraRelativeFrame(frame);
931    }
932
933    @Override
934    public boolean switchWithCaptureAnimation(int offset) {
935        return mPhotoView.switchWithCaptureAnimation(offset);
936    }
937
938    @Override
939    public void setSwipingEnabled(boolean enabled) {
940        mPhotoView.setSwipingEnabled(enabled);
941    }
942
943    @Override
944    public void notifyScreenNailChanged() {
945        mScreenNailItem.setScreenNail(mAppBridge.attachScreenNail());
946        mScreenNailSet.notifyChange();
947    }
948
949    @Override
950    public void addSecureAlbumItem(boolean isVideo, int id) {
951        mSecureAlbum.addMediaItem(isVideo, id);
952    }
953
954    @Override
955    protected boolean onCreateActionBar(Menu menu) {
956        mActionBar.createActionBarMenu(R.menu.photo, menu);
957        mHaveImageEditor = GalleryUtils.isEditorAvailable(mActivity, "image/*");
958        updateMenuOperations();
959        mActionBar.setTitle(mMediaSet != null ? mMediaSet.getName() : "");
960        return true;
961    }
962
963    private MenuExecutor.ProgressListener mConfirmDialogListener =
964            new MenuExecutor.ProgressListener() {
965        @Override
966        public void onProgressUpdate(int index) {}
967
968        @Override
969        public void onProgressComplete(int result) {}
970
971        @Override
972        public void onConfirmDialogShown() {
973            mHandler.removeMessages(MSG_HIDE_BARS);
974        }
975
976        @Override
977        public void onConfirmDialogDismissed(boolean confirmed) {
978            refreshHidingMessage();
979        }
980
981        @Override
982        public void onProgressStart() {}
983    };
984
985    private void switchToGrid() {
986        if (mActivity.getStateManager().hasStateClass(AlbumPage.class)) {
987            onUpPressed();
988        } else {
989            if (mOriginalSetPathString == null) return;
990            if (mProgressBar != null) {
991                updateCurrentPhoto(null);
992                mProgressBar.hideProgress();
993            }
994            Bundle data = new Bundle(getData());
995            data.putString(AlbumPage.KEY_MEDIA_PATH, mOriginalSetPathString);
996            data.putString(AlbumPage.KEY_PARENT_MEDIA_PATH,
997                    mActivity.getDataManager().getTopSetPath(
998                            DataManager.INCLUDE_ALL));
999
1000            // We only show cluster menu in the first AlbumPage in stack
1001            // TODO: Enable this when running from the camera app
1002            boolean inAlbum = mActivity.getStateManager().hasStateClass(AlbumPage.class);
1003            data.putBoolean(AlbumPage.KEY_SHOW_CLUSTER_MENU, !inAlbum
1004                    && mAppBridge == null);
1005
1006            data.putBoolean(PhotoPage.KEY_APP_BRIDGE, mAppBridge != null);
1007
1008            // Account for live preview being first item
1009            mActivity.getTransitionStore().put(KEY_RETURN_INDEX_HINT,
1010                    mAppBridge != null ? mCurrentIndex - 1 : mCurrentIndex);
1011
1012            if (mHasCameraScreennailOrPlaceholder && mAppBridge != null) {
1013                mActivity.getStateManager().startState(AlbumPage.class, data);
1014            } else {
1015                mActivity.getStateManager().switchState(this, AlbumPage.class, data);
1016            }
1017        }
1018    }
1019
1020    @Override
1021    protected boolean onItemSelected(MenuItem item) {
1022        if (mModel == null) return true;
1023        refreshHidingMessage();
1024        MediaItem current = mModel.getMediaItem(0);
1025
1026        if (current == null) {
1027            // item is not ready, ignore
1028            return true;
1029        }
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_edit: {
1072                launchPhotoEditor();
1073                return true;
1074            }
1075            case R.id.action_details: {
1076                if (mShowDetails) {
1077                    hideDetails();
1078                } else {
1079                    showDetails();
1080                }
1081                return true;
1082            }
1083            case R.id.action_delete:
1084                confirmMsg = mActivity.getResources().getQuantityString(
1085                        R.plurals.delete_selection, 1);
1086            case R.id.action_setas:
1087            case R.id.action_rotate_ccw:
1088            case R.id.action_rotate_cw:
1089            case R.id.action_show_on_map:
1090                mSelectionManager.deSelectAll();
1091                mSelectionManager.toggle(path);
1092                mMenuExecutor.onMenuClicked(item, confirmMsg, mConfirmDialogListener);
1093                return true;
1094            case R.id.action_import:
1095                mSelectionManager.deSelectAll();
1096                mSelectionManager.toggle(path);
1097                mMenuExecutor.onMenuClicked(item, confirmMsg,
1098                        new ImportCompleteListener(mActivity));
1099                return true;
1100            default :
1101                return false;
1102        }
1103    }
1104
1105    private void hideDetails() {
1106        mShowDetails = false;
1107        mDetailsHelper.hide();
1108    }
1109
1110    private void showDetails() {
1111        mShowDetails = true;
1112        if (mDetailsHelper == null) {
1113            mDetailsHelper = new DetailsHelper(mActivity, mRootPane, new MyDetailsSource());
1114            mDetailsHelper.setCloseListener(new CloseListener() {
1115                @Override
1116                public void onClose() {
1117                    hideDetails();
1118                }
1119            });
1120        }
1121        mDetailsHelper.show();
1122    }
1123
1124    ////////////////////////////////////////////////////////////////////////////
1125    //  Callbacks from PhotoView
1126    ////////////////////////////////////////////////////////////////////////////
1127    @Override
1128    public void onSingleTapUp(int x, int y) {
1129        if (mAppBridge != null) {
1130            if (mAppBridge.onSingleTapUp(x, y)) return;
1131        }
1132
1133        MediaItem item = mModel.getMediaItem(0);
1134        if (item == null || item == mScreenNailItem) {
1135            // item is not ready or it is camera preview, ignore
1136            return;
1137        }
1138
1139        int supported = item.getSupportedOperations();
1140        boolean playVideo = (mSecureAlbum == null) &&
1141                ((supported & MediaItem.SUPPORT_PLAY) != 0);
1142        boolean unlock = ((supported & MediaItem.SUPPORT_UNLOCK) != 0);
1143        boolean goBack = ((supported & MediaItem.SUPPORT_BACK) != 0);
1144        boolean launchCamera = ((supported & MediaItem.SUPPORT_CAMERA_SHORTCUT) != 0);
1145
1146        if (playVideo) {
1147            // determine if the point is at center (1/6) of the photo view.
1148            // (The position of the "play" icon is at center (1/6) of the photo)
1149            int w = mPhotoView.getWidth();
1150            int h = mPhotoView.getHeight();
1151            playVideo = (Math.abs(x - w / 2) * 12 <= w)
1152                && (Math.abs(y - h / 2) * 12 <= h);
1153        }
1154
1155        if (playVideo) {
1156            playVideo(mActivity, item.getPlayUri(), item.getName());
1157        } else if (goBack) {
1158            onBackPressed();
1159        } else if (unlock) {
1160            mActivity.getStateManager().finishState(this);
1161        } else if (launchCamera) {
1162            launchCamera();
1163        } else {
1164            toggleBars();
1165        }
1166    }
1167
1168    @Override
1169    public void onActionBarAllowed(boolean allowed) {
1170        mActionBarAllowed = allowed;
1171        mHandler.sendEmptyMessage(MSG_UPDATE_ACTION_BAR);
1172    }
1173
1174    @Override
1175    public void onActionBarWanted() {
1176        mHandler.sendEmptyMessage(MSG_WANT_BARS);
1177    }
1178
1179    @Override
1180    public void onFullScreenChanged(boolean full) {
1181        Message m = mHandler.obtainMessage(
1182                MSG_ON_FULL_SCREEN_CHANGED, full ? 1 : 0, 0);
1183        m.sendToTarget();
1184    }
1185
1186    // How we do delete/undo:
1187    //
1188    // When the user choose to delete a media item, we just tell the
1189    // FilterDeleteSet to hide that item. If the user choose to undo it, we
1190    // again tell FilterDeleteSet not to hide it. If the user choose to commit
1191    // the deletion, we then actually delete the media item.
1192    @Override
1193    public void onDeleteImage(Path path, int offset) {
1194        onCommitDeleteImage();  // commit the previous deletion
1195        mDeletePath = path;
1196        mDeleteIsFocus = (offset == 0);
1197        mMediaSet.addDeletion(path, mCurrentIndex + offset);
1198    }
1199
1200    @Override
1201    public void onUndoDeleteImage() {
1202        if (mDeletePath == null) return;
1203        // If the deletion was done on the focused item, we want the model to
1204        // focus on it when it is undeleted.
1205        if (mDeleteIsFocus) mModel.setFocusHintPath(mDeletePath);
1206        mMediaSet.removeDeletion(mDeletePath);
1207        mDeletePath = null;
1208    }
1209
1210    @Override
1211    public void onCommitDeleteImage() {
1212        if (mDeletePath == null) return;
1213        mSelectionManager.deSelectAll();
1214        mSelectionManager.toggle(mDeletePath);
1215        mMenuExecutor.onMenuClicked(R.id.action_delete, null, true, false);
1216        mDeletePath = null;
1217    }
1218
1219    public void playVideo(Activity activity, Uri uri, String title) {
1220        try {
1221            Intent intent = new Intent(Intent.ACTION_VIEW)
1222                    .setDataAndType(uri, "video/*")
1223                    .putExtra(Intent.EXTRA_TITLE, title)
1224                    .putExtra(MovieActivity.KEY_TREAT_UP_AS_BACK, true);
1225            activity.startActivityForResult(intent, REQUEST_PLAY_VIDEO);
1226        } catch (ActivityNotFoundException e) {
1227            Toast.makeText(activity, activity.getString(R.string.video_err),
1228                    Toast.LENGTH_SHORT).show();
1229        }
1230    }
1231
1232    private void setCurrentPhotoByIntent(Intent intent) {
1233        if (intent == null) return;
1234        Path path = mApplication.getDataManager()
1235                .findPathByUri(intent.getData(), intent.getType());
1236        if (path != null) {
1237            Path albumPath = mApplication.getDataManager().getDefaultSetOf(path);
1238            if (!albumPath.equalsIgnoreCase(mOriginalSetPathString)) {
1239                // If the edited image is stored in a different album, we need
1240                // to start a new activity state to show the new image
1241                Bundle data = new Bundle(getData());
1242                data.putString(KEY_MEDIA_SET_PATH, albumPath.toString());
1243                data.putString(PhotoPage.KEY_MEDIA_ITEM_PATH, path.toString());
1244                mActivity.getStateManager().startState(PhotoPage.class, data);
1245                return;
1246            }
1247            mModel.setCurrentPhoto(path, mCurrentIndex);
1248        }
1249    }
1250
1251    @Override
1252    protected void onStateResult(int requestCode, int resultCode, Intent data) {
1253        if (resultCode == Activity.RESULT_CANCELED) {
1254            // This is a reset, not a canceled
1255            return;
1256        }
1257        if (resultCode == ProxyLauncher.RESULT_USER_CANCELED) {
1258            // Unmap reset vs. canceled
1259            resultCode = Activity.RESULT_CANCELED;
1260        }
1261        mRecenterCameraOnResume = false;
1262        switch (requestCode) {
1263            case REQUEST_EDIT:
1264                setCurrentPhotoByIntent(data);
1265                break;
1266            case REQUEST_CROP:
1267                if (resultCode == Activity.RESULT_OK) {
1268                    setCurrentPhotoByIntent(data);
1269                }
1270                break;
1271            case REQUEST_CROP_PICASA: {
1272                if (resultCode == Activity.RESULT_OK) {
1273                    Context context = mActivity.getAndroidContext();
1274                    String message = context.getString(R.string.crop_saved,
1275                            context.getString(R.string.folder_edited_online_photos));
1276                    Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
1277                }
1278                break;
1279            }
1280            case REQUEST_SLIDESHOW: {
1281                if (data == null) break;
1282                String path = data.getStringExtra(SlideshowPage.KEY_ITEM_PATH);
1283                int index = data.getIntExtra(SlideshowPage.KEY_PHOTO_INDEX, 0);
1284                if (path != null) {
1285                    mModel.setCurrentPhoto(Path.fromString(path), index);
1286                }
1287            }
1288        }
1289    }
1290
1291    @Override
1292    public void onPause() {
1293        super.onPause();
1294        mIsActive = false;
1295
1296        mActivity.getGLRoot().unfreeze();
1297        mHandler.removeMessages(MSG_UNFREEZE_GLROOT);
1298
1299        DetailsHelper.pause();
1300        // Hide the detail dialog on exit
1301        if (mShowDetails) hideDetails();
1302        if (mModel != null) {
1303            mModel.pause();
1304        }
1305        mPhotoView.pause();
1306        mHandler.removeMessages(MSG_HIDE_BARS);
1307        mHandler.removeMessages(MSG_REFRESH_BOTTOM_CONTROLS);
1308        refreshBottomControlsWhenReady();
1309        mActionBar.removeOnMenuVisibilityListener(mMenuVisibilityListener);
1310        if (mShowSpinner) {
1311            mActionBar.disableAlbumModeMenu(true);
1312        }
1313        onCommitDeleteImage();
1314        mMenuExecutor.pause();
1315        if (mMediaSet != null) mMediaSet.clearDeletion();
1316    }
1317
1318    @Override
1319    public void onCurrentImageUpdated() {
1320        mActivity.getGLRoot().unfreeze();
1321    }
1322
1323    @Override
1324    public void onFilmModeChanged(boolean enabled) {
1325        refreshBottomControlsWhenReady();
1326        if (mShowSpinner) {
1327            if (enabled) {
1328                mActionBar.enableAlbumModeMenu(
1329                        GalleryActionBar.ALBUM_FILMSTRIP_MODE_SELECTED, this);
1330            } else {
1331                mActionBar.disableAlbumModeMenu(true);
1332            }
1333        }
1334        if (enabled) {
1335            mHandler.removeMessages(MSG_HIDE_BARS);
1336        } else {
1337            refreshHidingMessage();
1338        }
1339    }
1340
1341    private void transitionFromAlbumPageIfNeeded() {
1342        TransitionStore transitions = mActivity.getTransitionStore();
1343
1344        int albumPageTransition = transitions.get(
1345                KEY_ALBUMPAGE_TRANSITION, MSG_ALBUMPAGE_NONE);
1346
1347        if (albumPageTransition == MSG_ALBUMPAGE_NONE && mAppBridge != null
1348                && mRecenterCameraOnResume) {
1349            // Generally, resuming the PhotoPage when in Camera should
1350            // reset to the capture mode to allow quick photo taking
1351            mCurrentIndex = 0;
1352            mPhotoView.resetToFirstPicture();
1353        } else {
1354            int resumeIndex = transitions.get(KEY_INDEX_HINT, -1);
1355            if (resumeIndex >= 0) {
1356                if (mHasCameraScreennailOrPlaceholder) {
1357                    // Account for preview/placeholder being the first item
1358                    resumeIndex++;
1359                }
1360                if (resumeIndex < mMediaSet.getMediaItemCount()) {
1361                    mCurrentIndex = resumeIndex;
1362                    mModel.moveTo(mCurrentIndex);
1363                }
1364            }
1365        }
1366
1367        if (albumPageTransition == MSG_ALBUMPAGE_RESUMED) {
1368            mPhotoView.setFilmMode(mStartInFilmstrip || mAppBridge != null);
1369        } else if (albumPageTransition == MSG_ALBUMPAGE_PICKED) {
1370            mPhotoView.setFilmMode(false);
1371        }
1372    }
1373
1374    @Override
1375    protected void onResume() {
1376        super.onResume();
1377
1378        if (mModel == null) {
1379            mActivity.getStateManager().finishState(this);
1380            return;
1381        }
1382        transitionFromAlbumPageIfNeeded();
1383
1384        mActivity.getGLRoot().freeze();
1385        mIsActive = true;
1386        setContentPane(mRootPane);
1387
1388        mModel.resume();
1389        mPhotoView.resume();
1390        mActionBar.setDisplayOptions(
1391                ((mSecureAlbum == null) && (mSetPathString != null)), false);
1392        mActionBar.addOnMenuVisibilityListener(mMenuVisibilityListener);
1393        refreshBottomControlsWhenReady();
1394        if (mShowSpinner && mPhotoView.getFilmMode()) {
1395            mActionBar.enableAlbumModeMenu(
1396                    GalleryActionBar.ALBUM_FILMSTRIP_MODE_SELECTED, this);
1397        }
1398        if (!mShowBars) {
1399            mActionBar.hide();
1400            mActivity.getGLRoot().setLightsOutMode(true);
1401        }
1402        boolean haveImageEditor = GalleryUtils.isEditorAvailable(mActivity, "image/*");
1403        if (haveImageEditor != mHaveImageEditor) {
1404            mHaveImageEditor = haveImageEditor;
1405            updateMenuOperations();
1406        }
1407
1408        mRecenterCameraOnResume = true;
1409        mHandler.sendEmptyMessageDelayed(MSG_UNFREEZE_GLROOT, UNFREEZE_GLROOT_TIMEOUT);
1410    }
1411
1412    @Override
1413    protected void onDestroy() {
1414        if (mAppBridge != null) {
1415            mAppBridge.setServer(null);
1416            mScreenNailItem.setScreenNail(null);
1417            mAppBridge.detachScreenNail();
1418            mAppBridge = null;
1419            mScreenNailSet = null;
1420            mScreenNailItem = null;
1421        }
1422        mOrientationManager.removeListener(this);
1423        mActivity.getGLRoot().setOrientationSource(null);
1424        if (mBottomControls != null) mBottomControls.cleanup();
1425
1426        // Remove all pending messages.
1427        mHandler.removeCallbacksAndMessages(null);
1428        super.onDestroy();
1429    }
1430
1431    private class MyDetailsSource implements DetailsSource {
1432
1433        @Override
1434        public MediaDetails getDetails() {
1435            return mModel.getMediaItem(0).getDetails();
1436        }
1437
1438        @Override
1439        public int size() {
1440            return mMediaSet != null ? mMediaSet.getMediaItemCount() : 1;
1441        }
1442
1443        @Override
1444        public int setIndex() {
1445            return mModel.getCurrentIndex();
1446        }
1447    }
1448
1449    @Override
1450    public void onAlbumModeSelected(int mode) {
1451        if (mode == GalleryActionBar.ALBUM_GRID_MODE_SELECTED) {
1452            switchToGrid();
1453        }
1454    }
1455
1456    @Override
1457    public void refreshBottomControlsWhenReady() {
1458        if (mBottomControls == null) {
1459            return;
1460        }
1461        MediaObject currentPhoto = mCurrentPhoto;
1462        if (currentPhoto == null) {
1463            mHandler.obtainMessage(MSG_REFRESH_BOTTOM_CONTROLS, 0, 0, currentPhoto).sendToTarget();
1464        } else {
1465            currentPhoto.getPanoramaSupport(mRefreshBottomControlsCallback);
1466        }
1467    }
1468
1469    private void updatePanoramaUI(boolean isPanorama360) {
1470        Menu menu = mActionBar.getMenu();
1471
1472        // it could be null if onCreateActionBar has not been called yet
1473        if (menu == null) {
1474            return;
1475        }
1476
1477        MenuExecutor.updateMenuForPanorama(menu, isPanorama360, isPanorama360);
1478
1479        if (isPanorama360) {
1480            MenuItem item = menu.findItem(R.id.action_share);
1481            if (item != null) {
1482                item.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1483                item.setTitle(mActivity.getResources().getString(R.string.share_as_photo));
1484            }
1485        } else if ((mCurrentPhoto.getSupportedOperations() & MediaObject.SUPPORT_SHARE) != 0) {
1486            MenuItem item = menu.findItem(R.id.action_share);
1487            if (item != null) {
1488                item.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1489                item.setTitle(mActivity.getResources().getString(R.string.share));
1490            }
1491        }
1492    }
1493
1494    @Override
1495    public void onUndoBarVisibilityChanged(boolean visible) {
1496        refreshBottomControlsWhenReady();
1497    }
1498}
1499