CameraActivity.java revision aa52b3d28a0285b71be342158386422ed53244b2 
1/*
2 * Copyright (C) 2012 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.camera;
18
19import android.animation.Animator;
20import android.annotation.TargetApi;
21import android.app.ActionBar;
22import android.app.Activity;
23import android.app.AlertDialog;
24import android.app.Dialog;
25import android.content.ActivityNotFoundException;
26import android.content.BroadcastReceiver;
27import android.content.ContentResolver;
28import android.content.Context;
29import android.content.Intent;
30import android.content.IntentFilter;
31import android.content.pm.ActivityInfo;
32import android.content.pm.PackageManager;
33import android.content.res.Configuration;
34import android.graphics.Bitmap;
35import android.graphics.BitmapFactory;
36import android.graphics.Matrix;
37import android.graphics.Point;
38import android.graphics.RectF;
39import android.graphics.SurfaceTexture;
40import android.graphics.drawable.Drawable;
41import android.hardware.Camera;
42import android.net.Uri;
43import android.nfc.NfcAdapter;
44import android.nfc.NfcAdapter.CreateBeamUrisCallback;
45import android.nfc.NfcEvent;
46import android.os.AsyncTask;
47import android.os.Build;
48import android.os.Bundle;
49import android.os.Handler;
50import android.os.HandlerThread;
51import android.os.Looper;
52import android.os.Message;
53import android.provider.MediaStore;
54import android.provider.Settings;
55import android.text.TextUtils;
56import android.util.CameraPerformanceTracker;
57import android.view.ContextMenu;
58import android.view.ContextMenu.ContextMenuInfo;
59import android.view.KeyEvent;
60import android.view.Menu;
61import android.view.MenuInflater;
62import android.view.MenuItem;
63import android.view.MotionEvent;
64import android.view.View;
65import android.view.View.OnSystemUiVisibilityChangeListener;
66import android.view.ViewGroup;
67import android.view.Window;
68import android.view.WindowManager;
69import android.widget.FrameLayout;
70import android.widget.ImageView;
71import android.widget.ShareActionProvider;
72
73import com.android.camera.app.AppController;
74import com.android.camera.app.CameraAppUI;
75import com.android.camera.app.CameraController;
76import com.android.camera.app.CameraProvider;
77import com.android.camera.app.CameraServices;
78import com.android.camera.app.LocationManager;
79import com.android.camera.app.MemoryManager;
80import com.android.camera.app.MemoryQuery;
81import com.android.camera.app.ModuleManagerImpl;
82import com.android.camera.app.MotionManager;
83import com.android.camera.app.OrientationManager;
84import com.android.camera.app.OrientationManagerImpl;
85import com.android.camera.cameradevice.CameraManager;
86import com.android.camera.cameradevice.CameraManagerFactory;
87import com.android.camera.data.CameraDataAdapter;
88import com.android.camera.data.FixedLastDataAdapter;
89import com.android.camera.data.LocalData;
90import com.android.camera.data.LocalDataAdapter;
91import com.android.camera.data.LocalDataUtil;
92import com.android.camera.data.LocalDataViewType;
93import com.android.camera.data.LocalMediaData;
94import com.android.camera.data.LocalMediaObserver;
95import com.android.camera.data.LocalSessionData;
96import com.android.camera.data.MediaDetails;
97import com.android.camera.data.MetadataLoader;
98import com.android.camera.data.PanoramaMetadataLoader;
99import com.android.camera.data.RgbzMetadataLoader;
100import com.android.camera.data.SimpleViewData;
101import com.android.camera.debug.Log;
102import com.android.camera.filmstrip.FilmstripContentPanel;
103import com.android.camera.filmstrip.FilmstripController;
104import com.android.camera.hardware.HardwareSpec;
105import com.android.camera.hardware.HardwareSpecImpl;
106import com.android.camera.module.ModuleController;
107import com.android.camera.module.ModulesInfo;
108import com.android.camera.session.CaptureSession;
109import com.android.camera.session.CaptureSessionManager;
110import com.android.camera.session.CaptureSessionManager.SessionListener;
111import com.android.camera.settings.CameraSettingsActivity;
112import com.android.camera.settings.SettingsManager;
113import com.android.camera.settings.SettingsManager.SettingsCapabilities;
114import com.android.camera.settings.SettingsUtil;
115import com.android.camera.tinyplanet.TinyPlanetFragment;
116import com.android.camera.ui.AbstractTutorialOverlay;
117import com.android.camera.ui.DetailsDialog;
118import com.android.camera.ui.MainActivityLayout;
119import com.android.camera.ui.ModeListView;
120import com.android.camera.ui.ModeListView.ModeListVisibilityChangedListener;
121import com.android.camera.ui.PreviewStatusListener;
122import com.android.camera.util.ApiHelper;
123import com.android.camera.util.Callback;
124import com.android.camera.util.CameraUtil;
125import com.android.camera.util.FeedbackHelper;
126import com.android.camera.util.GalleryHelper;
127import com.android.camera.util.GcamHelper;
128import com.android.camera.util.GoogleHelpHelper;
129import com.android.camera.util.IntentHelper;
130import com.android.camera.util.PhotoSphereHelper.PanoramaViewHelper;
131import com.android.camera.util.ReleaseDialogHelper;
132import com.android.camera.util.UsageStatistics;
133import com.android.camera.widget.FilmstripView;
134import com.android.camera.widget.Preloader;
135import com.android.camera2.R;
136import com.bumptech.glide.Glide;
137import com.bumptech.glide.GlideBuilder;
138import com.bumptech.glide.MemoryCategory;
139import com.bumptech.glide.load.engine.executor.FifoPriorityThreadPoolExecutor;
140import com.google.common.logging.eventprotos;
141import com.google.common.logging.eventprotos.ForegroundEvent.ForegroundSource;
142import com.google.common.logging.eventprotos.MediaInteraction;
143import com.google.common.logging.eventprotos.NavigationChange;
144
145import java.io.File;
146import java.io.FileInputStream;
147import java.io.FileNotFoundException;
148import java.lang.ref.WeakReference;
149import java.util.ArrayList;
150import java.util.HashMap;
151import java.util.List;
152import java.util.concurrent.TimeUnit;
153
154public class CameraActivity extends Activity
155        implements AppController, CameraManager.CameraOpenCallback,
156        ActionBar.OnMenuVisibilityListener, ShareActionProvider.OnShareTargetSelectedListener,
157        OrientationManager.OnOrientationChangeListener {
158
159    private static final Log.Tag TAG = new Log.Tag("CameraActivity");
160
161    private static final String INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE =
162            "android.media.action.STILL_IMAGE_CAMERA_SECURE";
163    public static final String ACTION_IMAGE_CAPTURE_SECURE =
164            "android.media.action.IMAGE_CAPTURE_SECURE";
165
166    // The intent extra for camera from secure lock screen. True if the gallery
167    // should only show newly captured pictures. sSecureAlbumId does not
168    // increment. This is used when switching between camera, camcorder, and
169    // panorama. If the extra is not set, it is in the normal camera mode.
170    public static final String SECURE_CAMERA_EXTRA = "secure_camera";
171
172    /**
173     * Request code from an activity we started that indicated that we do not
174     * want to reset the view to the preview in onResume.
175     */
176    public static final int REQ_CODE_DONT_SWITCH_TO_PREVIEW = 142;
177
178    public static final int REQ_CODE_GCAM_DEBUG_POSTCAPTURE = 999;
179
180    private static final int MSG_CLEAR_SCREEN_ON_FLAG = 2;
181    private static final long SCREEN_DELAY_MS = 2 * 60 * 1000; // 2 mins.
182    private static final int MAX_PEEK_BITMAP_PIXELS = 1600000; // 1.6 * 4 MBs.
183    /** Load metadata for 10 items ahead of our current. */
184    private static final int FILMSTRIP_PRELOAD_AHEAD_ITEMS = 10;
185
186    /** Should be used wherever a context is needed. */
187    private Context mAppContext;
188
189    /**
190     * Whether onResume should reset the view to the preview.
191     */
192    private boolean mResetToPreviewOnResume = true;
193
194    /**
195     * This data adapter is used by FilmStripView.
196     */
197    private LocalDataAdapter mDataAdapter;
198
199    private SettingsManager mSettingsManager;
200    private ModeListView mModeListView;
201    private boolean mModeListVisible = false;
202    private int mCurrentModeIndex;
203    private CameraModule mCurrentModule;
204    private ModuleManagerImpl mModuleManager;
205    private FrameLayout mAboveFilmstripControlLayout;
206    private FilmstripController mFilmstripController;
207    private boolean mFilmstripVisible;
208    /** Whether the filmstrip fully covers the preview. */
209    private boolean mFilmstripCoversPreview = false;
210    private int mResultCodeForTesting;
211    private Intent mResultDataForTesting;
212    private OnScreenHint mStorageHint;
213    private final Object mStorageSpaceLock = new Object();
214    private long mStorageSpaceBytes = Storage.LOW_STORAGE_THRESHOLD_BYTES;
215    private boolean mAutoRotateScreen;
216    private boolean mSecureCamera;
217    private int mLastRawOrientation;
218    private OrientationManagerImpl mOrientationManager;
219    private LocationManager mLocationManager;
220    private ButtonManager mButtonManager;
221    private Handler mMainHandler;
222    private PanoramaViewHelper mPanoramaViewHelper;
223    private ActionBar mActionBar;
224    private ViewGroup mUndoDeletionBar;
225    private boolean mIsUndoingDeletion = false;
226
227    private final Uri[] mNfcPushUris = new Uri[1];
228
229    private LocalMediaObserver mLocalImagesObserver;
230    private LocalMediaObserver mLocalVideosObserver;
231
232    private boolean mPendingDeletion = false;
233
234    private CameraController mCameraController;
235    private boolean mPaused;
236    private CameraAppUI mCameraAppUI;
237
238    private PeekAnimationHandler mPeekAnimationHandler;
239    private HandlerThread mPeekAnimationThread;
240
241    private FeedbackHelper mFeedbackHelper;
242
243    private Intent mGalleryIntent;
244    private long mOnCreateTime;
245
246    private Menu mActionBarMenu;
247    private Preloader<Integer, AsyncTask> mPreloader;
248
249    private static final int LIGHTS_OUT_DELAY_MS = 4000;
250    private final int BASE_SYS_UI_VISIBILITY = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
251            | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
252    private final Runnable mLightsOutRunnable = new Runnable() {
253        @Override
254        public void run() {
255            getWindow().getDecorView().setSystemUiVisibility(
256                    BASE_SYS_UI_VISIBILITY | View.SYSTEM_UI_FLAG_LOW_PROFILE);
257        }
258    };
259    private MemoryManager mMemoryManager;
260    private MotionManager mMotionManager;
261
262    @Override
263    public CameraAppUI getCameraAppUI() {
264        return mCameraAppUI;
265    }
266
267    // close activity when screen turns off
268    private final BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() {
269        @Override
270        public void onReceive(Context context, Intent intent) {
271            finish();
272        }
273    };
274
275    /**
276     * Whether the screen is kept turned on.
277     */
278    private boolean mKeepScreenOn;
279    private int mLastLayoutOrientation;
280    private final CameraAppUI.BottomPanel.Listener mMyFilmstripBottomControlListener =
281            new CameraAppUI.BottomPanel.Listener() {
282
283                /**
284                 * If the current photo is a photo sphere, this will launch the
285                 * Photo Sphere panorama viewer.
286                 */
287                @Override
288                public void onExternalViewer() {
289                    if (mPanoramaViewHelper == null) {
290                        return;
291                    }
292                    final LocalData data = getCurrentLocalData();
293                    if (data == null) {
294                        return;
295                    }
296                    final Uri contentUri = data.getUri();
297                    if (contentUri == Uri.EMPTY) {
298                        return;
299                    }
300
301                    if (PanoramaMetadataLoader.isPanoramaAndUseViewer(data)) {
302                        mPanoramaViewHelper.showPanorama(CameraActivity.this, contentUri);
303                    } else if (RgbzMetadataLoader.hasRGBZData(data)) {
304                        mPanoramaViewHelper.showRgbz(contentUri);
305                        if (mSettingsManager.getBoolean(
306                                SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
307                            mSettingsManager.setBoolean(
308                                    SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING,
309                                    false);
310                            mCameraAppUI.clearClingForViewer(
311                                    CameraAppUI.BottomPanel.VIEWER_REFOCUS);
312                        }
313                    }
314                }
315
316                @Override
317                public void onEdit() {
318                    LocalData data = getCurrentLocalData();
319                    if (data == null) {
320                        return;
321                    }
322                    final int currentDataId = getCurrentDataId();
323                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
324                            MediaInteraction.InteractionType.EDIT,
325                            NavigationChange.InteractionCause.BUTTON,
326                            fileAgeFromDataID(currentDataId));
327                    launchEditor(data);
328                }
329
330                @Override
331                public void onTinyPlanet() {
332                    LocalData data = getCurrentLocalData();
333                    if (data == null) {
334                        return;
335                    }
336                    launchTinyPlanetEditor(data);
337                }
338
339                @Override
340                public void onDelete() {
341                    final int currentDataId = getCurrentDataId();
342                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
343                            MediaInteraction.InteractionType.DELETE,
344                            NavigationChange.InteractionCause.BUTTON,
345                            fileAgeFromDataID(currentDataId));
346                    removeData(currentDataId);
347                }
348
349                @Override
350                public void onShare() {
351                    final LocalData data = getCurrentLocalData();
352                    final int currentDataId = getCurrentDataId();
353                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
354                            MediaInteraction.InteractionType.SHARE,
355                            NavigationChange.InteractionCause.BUTTON,
356                            fileAgeFromDataID(currentDataId));
357                    // If applicable, show release information before this item
358                    // is shared.
359                    if (ReleaseDialogHelper.shouldShowReleaseInfoDialogOnShare(data)) {
360                        ReleaseDialogHelper.showReleaseInfoDialog(CameraActivity.this,
361                                new Callback<Void>() {
362                                    @Override
363                                    public void onCallback(Void result) {
364                                        share(data);
365                                    }
366                                });
367                    } else {
368                        share(data);
369                    }
370                }
371
372                private void share(LocalData data) {
373                    Intent shareIntent = getShareIntentByData(data);
374                    if (shareIntent != null) {
375                        try {
376                            launchActivityByIntent(shareIntent);
377                            mCameraAppUI.getFilmstripBottomControls().setShareEnabled(false);
378                        } catch (ActivityNotFoundException ex) {
379                            // Nothing.
380                        }
381                    }
382                }
383
384                private int getCurrentDataId() {
385                    return mFilmstripController.getCurrentId();
386                }
387
388                private LocalData getCurrentLocalData() {
389                    return mDataAdapter.getLocalData(getCurrentDataId());
390                }
391
392                /**
393                 * Sets up the share intent and NFC properly according to the
394                 * data.
395                 *
396                 * @param data The data to be shared.
397                 */
398                private Intent getShareIntentByData(final LocalData data) {
399                    Intent intent = null;
400                    final Uri contentUri = data.getUri();
401                    final String msgShareTo = getResources().getString(R.string.share_to);
402
403                    if (PanoramaMetadataLoader.isPanorama360(data) &&
404                            data.getUri() != Uri.EMPTY) {
405                        intent = new Intent(Intent.ACTION_SEND);
406                        intent.setType("application/vnd.google.panorama360+jpg");
407                        intent.putExtra(Intent.EXTRA_STREAM, contentUri);
408                    } else if (data.isDataActionSupported(LocalData.DATA_ACTION_SHARE)) {
409                        final String mimeType = data.getMimeType();
410                        intent = getShareIntentFromType(mimeType);
411                        if (intent != null) {
412                            intent.putExtra(Intent.EXTRA_STREAM, contentUri);
413                            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
414                        }
415                        intent = Intent.createChooser(intent, msgShareTo);
416                    }
417                    return intent;
418                }
419
420                /**
421                 * Get the share intent according to the mimeType
422                 *
423                 * @param mimeType The mimeType of current data.
424                 * @return the video/image's ShareIntent or null if mimeType is
425                 *         invalid.
426                 */
427                private Intent getShareIntentFromType(String mimeType) {
428                    // Lazily create the intent object.
429                    Intent intent = new Intent(Intent.ACTION_SEND);
430                    if (mimeType.startsWith("video/")) {
431                        intent.setType("video/*");
432                    } else {
433                        if (mimeType.startsWith("image/")) {
434                            intent.setType("image/*");
435                        } else {
436                            Log.w(TAG, "unsupported mimeType " + mimeType);
437                        }
438                    }
439                    return intent;
440                }
441
442                @Override
443                public void onProgressErrorClicked() {
444                    LocalData data = getCurrentLocalData();
445                    getServices().getCaptureSessionManager().removeErrorMessage(
446                            data.getUri());
447                    updateBottomControlsByData(data);
448                }
449            };
450
451    @Override
452    public void onCameraOpened(CameraManager.CameraProxy camera) {
453        if (mPaused) {
454            return;
455        }
456        /**
457         * The current UI requires that the flash option visibility in front-facing
458         * camera be
459         *   * disabled if back facing camera supports flash
460         *   * hidden if back facing camera does not support flash
461         * We save whether back facing camera supports flash because we cannot get
462         * this in front facing camera without a camera switch.
463         *
464         * If this preference is cleared, we also need to clear the camera facing
465         * setting so we default to opening the camera in back facing camera, and
466         * can save this flash support value again.
467         */
468        if (!mSettingsManager.isSet(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA)) {
469            HardwareSpec hardware = new HardwareSpecImpl(camera.getParameters());
470            mSettingsManager.setBoolean(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA,
471                hardware.isFlashSupported());
472        }
473
474        if (!mModuleManager.getModuleAgent(mCurrentModeIndex).requestAppForCamera()) {
475            // We shouldn't be here. Just close the camera and leave.
476            mCameraController.closeCamera(false);
477            throw new IllegalStateException("Camera opened but the module shouldn't be " +
478                    "requesting");
479        }
480        if (mCurrentModule != null) {
481            SettingsCapabilities capabilities =
482                    SettingsUtil.getSettingsCapabilities(camera);
483            mSettingsManager.changeCamera(camera.getCameraId(), capabilities);
484            resetExposureCompensationToDefault(camera);
485            mCurrentModule.onCameraAvailable(camera);
486        }
487        mCameraAppUI.onChangeCamera();
488    }
489
490    private void resetExposureCompensationToDefault(CameraManager.CameraProxy camera) {
491        // Reset the exposure compensation before handing the camera to module.
492        Camera.Parameters parameters = camera.getParameters();
493        parameters.setExposureCompensation(0);
494        camera.setParameters(parameters);
495    }
496
497    @Override
498    public void onCameraDisabled(int cameraId) {
499        UsageStatistics.instance().cameraFailure(eventprotos.CameraFailure.FailureReason.SECURITY,
500                null);
501        Log.w(TAG, "Camera disabled: " + cameraId);
502        CameraUtil.showErrorAndFinish(this, R.string.camera_disabled);
503    }
504
505    @Override
506    public void onDeviceOpenFailure(int cameraId, String info) {
507        UsageStatistics.instance().cameraFailure(
508                eventprotos.CameraFailure.FailureReason.OPEN_FAILURE, info);
509        Log.w(TAG, "Camera open failure: " + info);
510        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
511    }
512
513    @Override
514    public void onDeviceOpenedAlready(int cameraId, String info) {
515        Log.w(TAG, "Camera open already: " + cameraId + "," + info);
516        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
517    }
518
519    @Override
520    public void onReconnectionFailure(CameraManager mgr, String info) {
521        UsageStatistics.instance().cameraFailure(
522                eventprotos.CameraFailure.FailureReason.RECONNECT_FAILURE, null);
523        Log.w(TAG, "Camera reconnection failure:" + info);
524        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
525    }
526
527    private static class MainHandler extends Handler {
528        final WeakReference<CameraActivity> mActivity;
529
530        public MainHandler(CameraActivity activity, Looper looper) {
531            super(looper);
532            mActivity = new WeakReference<CameraActivity>(activity);
533        }
534
535        @Override
536        public void handleMessage(Message msg) {
537            CameraActivity activity = mActivity.get();
538            if (activity == null) {
539                return;
540            }
541            switch (msg.what) {
542
543                case MSG_CLEAR_SCREEN_ON_FLAG: {
544                    if (!activity.mPaused) {
545                        activity.getWindow().clearFlags(
546                                WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
547                    }
548                    break;
549                }
550            }
551        }
552    }
553
554    private String fileNameFromDataID(int dataID) {
555        final LocalData localData = mDataAdapter.getLocalData(dataID);
556
557        File localFile = new File(localData.getPath());
558        return localFile.getName();
559    }
560
561    private float fileAgeFromDataID(int dataID) {
562        final LocalData localData = mDataAdapter.getLocalData(dataID);
563
564        File localFile = new File(localData.getPath());
565        return 0.001f * (System.currentTimeMillis() - localFile.lastModified());
566    }
567
568    private final FilmstripContentPanel.Listener mFilmstripListener =
569            new FilmstripContentPanel.Listener() {
570
571                @Override
572                public void onSwipeOut() {
573                }
574
575                @Override
576                public void onSwipeOutBegin() {
577                    mActionBar.hide();
578                    mFilmstripCoversPreview = false;
579                    updatePreviewVisibility();
580                }
581
582                @Override
583                public void onFilmstripHidden() {
584                    mFilmstripVisible = false;
585                    UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
586                            NavigationChange.InteractionCause.SWIPE_RIGHT);
587                    CameraActivity.this.setFilmstripUiVisibility(false);
588                    // When the user hide the filmstrip (either swipe out or
589                    // tap on back key) we move to the first item so next time
590                    // when the user swipe in the filmstrip, the most recent
591                    // one is shown.
592                    mFilmstripController.goToFirstItem();
593                }
594
595                @Override
596                public void onFilmstripShown() {
597                    mFilmstripVisible = true;
598                    UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
599                            NavigationChange.InteractionCause.SWIPE_LEFT);
600                    updateUiByData(mFilmstripController.getCurrentId());
601                }
602
603                @Override
604                public void onFocusedDataLongPressed(int dataId) {
605                    // Do nothing.
606                }
607
608                @Override
609                public void onFocusedDataPromoted(int dataID) {
610                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(dataID),
611                            MediaInteraction.InteractionType.DELETE,
612                            NavigationChange.InteractionCause.SWIPE_UP, fileAgeFromDataID(dataID));
613                    removeData(dataID);
614                }
615
616                @Override
617                public void onFocusedDataDemoted(int dataID) {
618                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(dataID),
619                            MediaInteraction.InteractionType.DELETE,
620                            NavigationChange.InteractionCause.SWIPE_DOWN,
621                            fileAgeFromDataID(dataID));
622                    removeData(dataID);
623                }
624
625                @Override
626                public void onEnterFullScreenUiShown(int dataId) {
627                    if (mFilmstripVisible) {
628                        CameraActivity.this.setFilmstripUiVisibility(true);
629                    }
630                }
631
632                @Override
633                public void onLeaveFullScreenUiShown(int dataId) {
634                    // Do nothing.
635                }
636
637                @Override
638                public void onEnterFullScreenUiHidden(int dataId) {
639                    if (mFilmstripVisible) {
640                        CameraActivity.this.setFilmstripUiVisibility(false);
641                    }
642                }
643
644                @Override
645                public void onLeaveFullScreenUiHidden(int dataId) {
646                    // Do nothing.
647                }
648
649                @Override
650                public void onEnterFilmstrip(int dataId) {
651                    if (mFilmstripVisible) {
652                        CameraActivity.this.setFilmstripUiVisibility(true);
653                    }
654                }
655
656                @Override
657                public void onLeaveFilmstrip(int dataId) {
658                    // Do nothing.
659                }
660
661                @Override
662                public void onDataReloaded() {
663                    if (!mFilmstripVisible) {
664                        return;
665                    }
666                    updateUiByData(mFilmstripController.getCurrentId());
667                }
668
669                @Override
670                public void onDataUpdated(int dataId) {
671                    if (!mFilmstripVisible) {
672                        return;
673                    }
674                    updateUiByData(mFilmstripController.getCurrentId());
675                }
676
677                @Override
678                public void onEnterZoomView(int dataID) {
679                    if (mFilmstripVisible) {
680                        CameraActivity.this.setFilmstripUiVisibility(false);
681                    }
682                }
683
684                @Override
685                public void onZoomAtIndexChanged(int dataId, float zoom) {
686                    final LocalData localData = mDataAdapter.getLocalData(dataId);
687                    long ageMillis = System.currentTimeMillis() - localData.getDateModified() * 1000;
688
689                    // Do not log if items is to old or does not have a path (which is
690                    // being used as a key).
691                    if (TextUtils.isEmpty(localData.getPath()) ||
692                            ageMillis > UsageStatistics.VIEW_TIMEOUT_MILLIS) {
693                        return;
694                    }
695                    File localFile = new File(localData.getPath());
696                    UsageStatistics.instance().mediaView(localFile.getName(),
697                            TimeUnit.SECONDS.toMillis(localData.getDateModified()), zoom);
698               }
699
700                @Override
701                public void onDataFocusChanged(final int prevDataId, final int newDataId) {
702                    if (!mFilmstripVisible) {
703                        return;
704                    }
705                    // TODO: This callback is UI event callback, should always
706                    // happen on UI thread. Find the reason for this
707                    // runOnUiThread() and fix it.
708                    runOnUiThread(new Runnable() {
709                        @Override
710                        public void run() {
711                            updateUiByData(newDataId);
712                        }
713                    });
714                }
715
716                @Override
717                public void onScroll(int firstVisiblePosition, int visibleItemCount, int totalItemCount) {
718                    mPreloader.onScroll(null /*absListView*/, firstVisiblePosition, visibleItemCount, totalItemCount);
719                }
720            };
721
722    private final LocalDataAdapter.LocalDataListener mLocalDataListener =
723            new LocalDataAdapter.LocalDataListener() {
724                @Override
725                public void onMetadataUpdated(List<Integer> updatedData) {
726                    if (mPaused) {
727                        // Callback after the activity is paused.
728                        return;
729                    }
730                    int currentDataId = mFilmstripController.getCurrentId();
731                    for (Integer dataId : updatedData) {
732                        if (dataId == currentDataId) {
733                            updateBottomControlsByData(mDataAdapter.getLocalData(dataId));
734                            // Currently we have only 1 data can be matched.
735                            // No need to look for more, break.
736                            break;
737                        }
738                    }
739                }
740            };
741
742    public void gotoGallery() {
743        UsageStatistics.instance().changeScreen(NavigationChange.Mode.FILMSTRIP,
744                NavigationChange.InteractionCause.BUTTON);
745
746        mFilmstripController.goToNextItem();
747    }
748
749    /**
750     * If 'visible' is false, this hides the action bar. Also maintains
751     * lights-out at all times.
752     *
753     * @param visible is false, this hides the action bar and filmstrip bottom
754     *            controls.
755     */
756    private void setFilmstripUiVisibility(boolean visible) {
757        mLightsOutRunnable.run();
758        mCameraAppUI.getFilmstripBottomControls().setVisible(visible);
759        if (visible != mActionBar.isShowing()) {
760            if (visible) {
761                mActionBar.show();
762            } else {
763                mActionBar.hide();
764            }
765        }
766        mFilmstripCoversPreview = visible;
767        updatePreviewVisibility();
768    }
769
770    private void hideSessionProgress() {
771        mCameraAppUI.getFilmstripBottomControls().hideProgress();
772    }
773
774    private void showSessionProgress(CharSequence message) {
775        CameraAppUI.BottomPanel controls = mCameraAppUI.getFilmstripBottomControls();
776        controls.setProgressText(message);
777        controls.hideControls();
778        controls.hideProgressError();
779        controls.showProgress();
780    }
781
782    private void showProcessError(CharSequence message) {
783        mCameraAppUI.getFilmstripBottomControls().showProgressError(message);
784    }
785
786    private void updateSessionProgress(int progress) {
787        mCameraAppUI.getFilmstripBottomControls().setProgress(progress);
788    }
789
790    private void updateSessionProgressText(CharSequence message) {
791        mCameraAppUI.getFilmstripBottomControls().setProgressText(message);
792    }
793
794    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
795    private void setupNfcBeamPush() {
796        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mAppContext);
797        if (adapter == null) {
798            return;
799        }
800
801        if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) {
802            // Disable beaming
803            adapter.setNdefPushMessage(null, CameraActivity.this);
804            return;
805        }
806
807        adapter.setBeamPushUris(null, CameraActivity.this);
808        adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
809            @Override
810            public Uri[] createBeamUris(NfcEvent event) {
811                return mNfcPushUris;
812            }
813        }, CameraActivity.this);
814    }
815
816    @Override
817    public void onMenuVisibilityChanged(boolean isVisible) {
818        // TODO: Remove this or bring back the original implementation: cancel
819        // auto-hide actionbar.
820    }
821
822    @Override
823    public boolean onShareTargetSelected(ShareActionProvider shareActionProvider, Intent intent) {
824        int currentDataId = mFilmstripController.getCurrentId();
825        if (currentDataId < 0) {
826            return false;
827        }
828        UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
829                MediaInteraction.InteractionType.SHARE,
830                NavigationChange.InteractionCause.BUTTON, fileAgeFromDataID(currentDataId));
831        // TODO add intent.getComponent().getPackageName()
832        return true;
833    }
834
835    // Note: All callbacks come back on the main thread.
836    private final SessionListener mSessionListener =
837            new SessionListener() {
838                @Override
839                public void onSessionQueued(final Uri uri) {
840                    if (!Storage.isSessionUri(uri)) {
841                        return;
842                    }
843                    LocalSessionData newData = new LocalSessionData(uri);
844                    mDataAdapter.addData(newData);
845                }
846
847                @Override
848                public void onSessionDone(final Uri sessionUri) {
849                    Log.v(TAG, "onSessionDone:" + sessionUri);
850                    Uri contentUri = Storage.getContentUriForSessionUri(sessionUri);
851                    if (contentUri == null) {
852                        mDataAdapter.refresh(sessionUri);
853                        return;
854                    }
855                    LocalData newData = LocalMediaData.PhotoData.fromContentUri(
856                            getContentResolver(), contentUri);
857
858                    // This can be null if e.g. a session is canceled (e.g.
859                    // through discard panorama). It might be worth adding
860                    // onSessionCanceled or the like this interface.
861                    if (newData == null) {
862                        Log.i(TAG, "onSessionDone: Could not find LocalData for URI: " + contentUri);
863                        return;
864                    }
865
866                    final int pos = mDataAdapter.findDataByContentUri(sessionUri);
867                    if (pos == -1) {
868                        // We do not have a placeholder for this image, perhaps
869                        // due to the activity crashing or being killed.
870                        mDataAdapter.addData(newData);
871                    } else {
872                        mDataAdapter.updateData(pos, newData);
873                    }
874                }
875
876                @Override
877                public void onSessionProgress(final Uri uri, final int progress) {
878                    if (progress < 0) {
879                        // Do nothing, there is no task for this URI.
880                        return;
881                    }
882                    int currentDataId = mFilmstripController.getCurrentId();
883                    if (currentDataId == -1) {
884                        return;
885                    }
886                    if (uri.equals(
887                            mDataAdapter.getLocalData(currentDataId).getUri())) {
888                        updateSessionProgress(progress);
889                    }
890                }
891
892                @Override
893                public void onSessionProgressText(final Uri uri, final CharSequence message) {
894                    int currentDataId = mFilmstripController.getCurrentId();
895                    if (currentDataId == -1) {
896                        return;
897                    }
898                    if (uri.equals(
899                            mDataAdapter.getLocalData(currentDataId).getUri())) {
900                        updateSessionProgressText(message);
901                    }
902                }
903
904                @Override
905                public void onSessionUpdated(Uri uri) {
906                    mDataAdapter.refresh(uri);
907                }
908
909                @Override
910                public void onSessionPreviewAvailable(Uri uri) {
911                    mDataAdapter.refresh(uri);
912                    int dataId = mDataAdapter.findDataByContentUri(uri);
913                    if (dataId != -1) {
914                        startPeekAnimation(mDataAdapter.getLocalData(dataId));
915                    }
916                }
917
918                @Override
919                public void onSessionFailed(Uri uri, CharSequence reason) {
920                    Log.v(TAG, "onSessionFailed:" + uri);
921
922                    int failedDataId = mDataAdapter.findDataByContentUri(uri);
923                    int currentDataId = mFilmstripController.getCurrentId();
924
925                    if (currentDataId == failedDataId) {
926                        updateSessionProgress(0);
927                        showProcessError(reason);
928                    }
929                    // HERE
930                    mDataAdapter.refresh(uri);
931                }
932            };
933
934    @Override
935    public Context getAndroidContext() {
936        return mAppContext;
937    }
938
939    @Override
940    public void launchActivityByIntent(Intent intent) {
941        startActivityForResult(intent, REQ_CODE_DONT_SWITCH_TO_PREVIEW);
942    }
943
944    @Override
945    public int getCurrentModuleIndex() {
946        return mCurrentModeIndex;
947    }
948
949    @Override
950    public ModuleController getCurrentModuleController() {
951        return mCurrentModule;
952    }
953
954    @Override
955    public int getQuickSwitchToModuleId(int currentModuleIndex) {
956        return mModuleManager.getQuickSwitchToModuleId(currentModuleIndex, mSettingsManager,
957                mAppContext);
958    }
959
960    @Override
961    public SurfaceTexture getPreviewBuffer() {
962        // TODO: implement this
963        return null;
964    }
965
966    @Override
967    public void onPreviewReadyToStart() {
968        mCameraAppUI.onPreviewReadyToStart();
969    }
970
971    @Override
972    public void onPreviewStarted() {
973        mCameraAppUI.onPreviewStarted();
974    }
975
976    @Override
977    public void addPreviewAreaSizeChangedListener(
978            PreviewStatusListener.PreviewAreaChangedListener listener) {
979        mCameraAppUI.addPreviewAreaChangedListener(listener);
980    }
981
982    @Override
983    public void removePreviewAreaSizeChangedListener(
984            PreviewStatusListener.PreviewAreaChangedListener listener) {
985        mCameraAppUI.removePreviewAreaChangedListener(listener);
986    }
987
988    @Override
989    public void setupOneShotPreviewListener() {
990        mCameraController.setOneShotPreviewCallback(mMainHandler,
991                new CameraManager.CameraPreviewDataCallback() {
992                    @Override
993                    public void onPreviewFrame(byte[] data, CameraManager.CameraProxy camera) {
994                        mCurrentModule.onPreviewInitialDataReceived();
995                        mCameraAppUI.onNewPreviewFrame();
996                    }
997                }
998        );
999    }
1000
1001    @Override
1002    public void updatePreviewAspectRatio(float aspectRatio) {
1003        mCameraAppUI.updatePreviewAspectRatio(aspectRatio);
1004    }
1005
1006    @Override
1007    public void updatePreviewTransformFullscreen(Matrix matrix, float aspectRatio) {
1008        mCameraAppUI.updatePreviewTransformFullscreen(matrix, aspectRatio);
1009    }
1010
1011    @Override
1012    public RectF getFullscreenRect() {
1013        return mCameraAppUI.getFullscreenRect();
1014    }
1015
1016    @Override
1017    public void updatePreviewTransform(Matrix matrix) {
1018        mCameraAppUI.updatePreviewTransform(matrix);
1019    }
1020
1021    @Override
1022    public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) {
1023        mCameraAppUI.setPreviewStatusListener(previewStatusListener);
1024    }
1025
1026    @Override
1027    public FrameLayout getModuleLayoutRoot() {
1028        return mCameraAppUI.getModuleRootView();
1029    }
1030
1031    @Override
1032    public void setShutterEventsListener(ShutterEventsListener listener) {
1033        // TODO: implement this
1034    }
1035
1036    @Override
1037    public void setShutterEnabled(boolean enabled) {
1038        mCameraAppUI.setShutterButtonEnabled(enabled);
1039    }
1040
1041    @Override
1042    public boolean isShutterEnabled() {
1043        return mCameraAppUI.isShutterButtonEnabled();
1044    }
1045
1046    @Override
1047    public void startPreCaptureAnimation() {
1048        mCameraAppUI.startPreCaptureAnimation();
1049    }
1050
1051    @Override
1052    public void cancelPreCaptureAnimation() {
1053        // TODO: implement this
1054    }
1055
1056    @Override
1057    public void startPostCaptureAnimation() {
1058        // TODO: implement this
1059    }
1060
1061    @Override
1062    public void startPostCaptureAnimation(Bitmap thumbnail) {
1063        // TODO: implement this
1064    }
1065
1066    @Override
1067    public void cancelPostCaptureAnimation() {
1068        // TODO: implement this
1069    }
1070
1071    @Override
1072    public OrientationManager getOrientationManager() {
1073        return mOrientationManager;
1074    }
1075
1076    @Override
1077    public LocationManager getLocationManager() {
1078        return mLocationManager;
1079    }
1080
1081    @Override
1082    public void lockOrientation() {
1083        if (mOrientationManager != null) {
1084            mOrientationManager.lockOrientation();
1085        }
1086    }
1087
1088    @Override
1089    public void unlockOrientation() {
1090        if (mOrientationManager != null) {
1091            mOrientationManager.unlockOrientation();
1092        }
1093    }
1094
1095    /**
1096     * Starts the filmstrip peek animation if the filmstrip is not visible.
1097     * Only {@link LocalData#LOCAL_IMAGE}, {@link
1098     * LocalData#LOCAL_IN_PROGRESS_DATA} and {@link
1099     * LocalData#LOCAL_VIDEO} are supported.
1100     *
1101     * @param data The data to peek.
1102     */
1103    private void startPeekAnimation(final LocalData data) {
1104        if (mFilmstripVisible || mPeekAnimationHandler == null) {
1105            return;
1106        }
1107
1108        int dataType = data.getLocalDataType();
1109        if (dataType != LocalData.LOCAL_IMAGE && dataType != LocalData.LOCAL_IN_PROGRESS_DATA &&
1110                dataType != LocalData.LOCAL_VIDEO) {
1111            return;
1112        }
1113
1114        mPeekAnimationHandler.startDecodingJob(data, new Callback<Bitmap>() {
1115            @Override
1116            public void onCallback(Bitmap result) {
1117                mCameraAppUI.startPeekAnimation(result, true);
1118            }
1119        });
1120    }
1121
1122    @Override
1123    public void notifyNewMedia(Uri uri) {
1124        updateStorageSpaceAndHint(null);
1125        ContentResolver cr = getContentResolver();
1126        String mimeType = cr.getType(uri);
1127        LocalData newData = null;
1128        if (LocalDataUtil.isMimeTypeVideo(mimeType)) {
1129            sendBroadcast(new Intent(CameraUtil.ACTION_NEW_VIDEO, uri));
1130            newData = LocalMediaData.VideoData.fromContentUri(getContentResolver(), uri);
1131            if (newData == null) {
1132                Log.e(TAG, "Can't find video data in content resolver:" + uri);
1133                return;
1134            }
1135        } else if (LocalDataUtil.isMimeTypeImage(mimeType)) {
1136            CameraUtil.broadcastNewPicture(mAppContext, uri);
1137            newData = LocalMediaData.PhotoData.fromContentUri(getContentResolver(), uri);
1138            if (newData == null) {
1139                Log.e(TAG, "Can't find photo data in content resolver:" + uri);
1140                return;
1141            }
1142        } else {
1143            Log.w(TAG, "Unknown new media with MIME type:" + mimeType + ", uri:" + uri);
1144            return;
1145        }
1146        // We are preloading the metadata for new video since we need the
1147        // rotation info for the thumbnail.
1148        new AsyncTask<LocalData, Void, LocalData>() {
1149
1150            @Override
1151            protected LocalData doInBackground(LocalData... params) {
1152                LocalData data = params[0];
1153                MetadataLoader.loadMetadata(getAndroidContext(), data);
1154                return data;
1155            }
1156
1157            @Override
1158            protected void onPostExecute(LocalData data) {
1159                if (mDataAdapter.addData(data)) {
1160                    startPeekAnimation(data);
1161                }
1162            }
1163        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, newData);
1164    }
1165
1166    @Override
1167    public void enableKeepScreenOn(boolean enabled) {
1168        if (mPaused) {
1169            return;
1170        }
1171
1172        mKeepScreenOn = enabled;
1173        if (mKeepScreenOn) {
1174            mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
1175            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
1176        } else {
1177            keepScreenOnForAWhile();
1178        }
1179    }
1180
1181    @Override
1182    public CameraProvider getCameraProvider() {
1183        return mCameraController;
1184    }
1185
1186    private void removeData(int dataID) {
1187        mDataAdapter.removeData(dataID);
1188        if (mDataAdapter.getTotalNumber() > 1) {
1189            showUndoDeletionBar();
1190        } else {
1191            // If camera preview is the only view left in filmstrip,
1192            // no need to show undo bar.
1193            mPendingDeletion = true;
1194            performDeletion();
1195            if (mFilmstripVisible) {
1196                mCameraAppUI.getFilmstripContentPanel().animateHide();
1197            }
1198        }
1199    }
1200
1201    @Override
1202    public boolean onOptionsItemSelected(MenuItem item) {
1203        // Handle presses on the action bar items
1204        switch (item.getItemId()) {
1205            case android.R.id.home:
1206                if (mFilmstripVisible && startGallery()) {
1207                    return true;
1208                }
1209                onBackPressed();
1210                return true;
1211            case R.id.action_details:
1212                showDetailsDialog(mFilmstripController.getCurrentId());
1213                return true;
1214            case R.id.action_help_and_feedback:
1215                mResetToPreviewOnResume = false;
1216                GoogleHelpHelper.launchGoogleHelp(this);
1217                return true;
1218            default:
1219                return super.onOptionsItemSelected(item);
1220        }
1221    }
1222
1223    private boolean isCaptureIntent() {
1224        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())
1225                || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())
1226                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1227            return true;
1228        } else {
1229            return false;
1230        }
1231    }
1232
1233    private final CameraManager.CameraExceptionCallback mCameraDefaultExceptionCallback
1234        = new CameraManager.CameraExceptionCallback() {
1235                @Override
1236                public void onCameraException(RuntimeException e) {
1237                    Log.e(TAG, "Camera Exception", e);
1238                    CameraUtil.showErrorAndFinish(CameraActivity.this,
1239                            R.string.cannot_connect_camera);
1240                }
1241            };
1242
1243    @Override
1244    public void onCreate(Bundle state) {
1245        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_START);
1246        super.onCreate(state);
1247        if (!Glide.isSetup()) {
1248            Glide.setup(new GlideBuilder(this)
1249                .setResizeService(new FifoPriorityThreadPoolExecutor(1)));
1250            Glide.get(this).setMemoryCategory(MemoryCategory.HIGH);
1251        }
1252
1253        mOnCreateTime = System.currentTimeMillis();
1254        mAppContext = getApplicationContext();
1255        mSettingsManager = new SettingsManager(mAppContext, this);
1256        GcamHelper.init(getContentResolver());
1257
1258        getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
1259        setContentView(R.layout.activity_main);
1260        mActionBar = getActionBar();
1261        mActionBar.addOnMenuVisibilityListener(this);
1262        mMainHandler = new MainHandler(this, getMainLooper());
1263        mCameraController =
1264                new CameraController(mAppContext, this, mMainHandler,
1265                        CameraManagerFactory.getAndroidCameraManager());
1266        mCameraController.setCameraDefaultExceptionCallback(mCameraDefaultExceptionCallback,
1267                mMainHandler);
1268
1269        // TODO: Try to move all the resources allocation to happen as soon as
1270        // possible so we can call module.init() at the earliest time.
1271        mModuleManager = new ModuleManagerImpl();
1272        ModulesInfo.setupModules(mAppContext, mModuleManager);
1273
1274        mModeListView = (ModeListView) findViewById(R.id.mode_list_layout);
1275        mModeListView.init(mModuleManager.getSupportedModeIndexList());
1276        if (ApiHelper.HAS_ROTATION_ANIMATION) {
1277            setRotationAnimation();
1278        }
1279        mModeListView.setVisibilityChangedListener(new ModeListVisibilityChangedListener() {
1280            @Override
1281            public void onVisibilityChanged(boolean visible) {
1282                mModeListVisible = visible;
1283                updatePreviewVisibility();
1284            }
1285        });
1286
1287        // Check if this is in the secure camera mode.
1288        Intent intent = getIntent();
1289        String action = intent.getAction();
1290        if (INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)
1291                || ACTION_IMAGE_CAPTURE_SECURE.equals(action)) {
1292            mSecureCamera = true;
1293        } else {
1294            mSecureCamera = intent.getBooleanExtra(SECURE_CAMERA_EXTRA, false);
1295        }
1296
1297        if (mSecureCamera) {
1298            // Change the window flags so that secure camera can show when
1299            // locked
1300            Window win = getWindow();
1301            WindowManager.LayoutParams params = win.getAttributes();
1302            params.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
1303            win.setAttributes(params);
1304
1305            // Filter for screen off so that we can finish secure camera
1306            // activity
1307            // when screen is off.
1308            IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
1309            registerReceiver(mScreenOffReceiver, filter);
1310        }
1311        mCameraAppUI = new CameraAppUI(this,
1312                (MainActivityLayout) findViewById(R.id.activity_root_view), isCaptureIntent());
1313
1314        mCameraAppUI.setFilmstripBottomControlsListener(mMyFilmstripBottomControlListener);
1315
1316        mAboveFilmstripControlLayout =
1317                (FrameLayout) findViewById(R.id.camera_filmstrip_content_layout);
1318
1319        // Add the session listener so we can track the session progress
1320        // updates.
1321        getServices().getCaptureSessionManager().addSessionListener(mSessionListener);
1322        mFilmstripController = ((FilmstripView) findViewById(R.id.filmstrip_view)).getController();
1323        mFilmstripController.setImageGap(
1324                getResources().getDimensionPixelSize(R.dimen.camera_film_strip_gap));
1325        mPanoramaViewHelper = new PanoramaViewHelper(this);
1326        mPanoramaViewHelper.onCreate();
1327        // Set up the camera preview first so the preview shows up ASAP.
1328        mDataAdapter = new CameraDataAdapter(mAppContext, R.color.photo_placeholder);
1329        mDataAdapter.setLocalDataListener(mLocalDataListener);
1330
1331        mPreloader = new Preloader<Integer, AsyncTask>(FILMSTRIP_PRELOAD_AHEAD_ITEMS, mDataAdapter,
1332                mDataAdapter);
1333
1334        mCameraAppUI.getFilmstripContentPanel().setFilmstripListener(mFilmstripListener);
1335        if (mSettingsManager.getBoolean(SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
1336            mCameraAppUI.setupClingForViewer(CameraAppUI.BottomPanel.VIEWER_REFOCUS);
1337        }
1338
1339        mLocationManager = new LocationManager(mAppContext);
1340
1341        mOrientationManager = new OrientationManagerImpl(this);
1342        mOrientationManager.addOnOrientationChangeListener(mMainHandler, this);
1343
1344        setModuleFromModeIndex(getModeIndex());
1345        mCameraAppUI.prepareModuleUI();
1346        mCurrentModule.init(this, isSecureCamera(), isCaptureIntent());
1347
1348        if (!mSecureCamera) {
1349            mFilmstripController.setDataAdapter(mDataAdapter);
1350            if (!isCaptureIntent()) {
1351                mDataAdapter.requestLoad(new Callback<Void>() {
1352                    @Override
1353                    public void onCallback(Void result) {
1354                        fillTemporarySessions();
1355                    }
1356                });
1357            }
1358        } else {
1359            // Put a lock placeholder as the last image by setting its date to
1360            // 0.
1361            ImageView v = (ImageView) getLayoutInflater().inflate(
1362                    R.layout.secure_album_placeholder, null);
1363            v.setTag(R.id.mediadata_tag_viewtype, LocalDataViewType.SECURE_ALBUM_PLACEHOLDER.ordinal());
1364            v.setOnClickListener(new View.OnClickListener() {
1365                @Override
1366                public void onClick(View view) {
1367                    UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
1368                            NavigationChange.InteractionCause.BUTTON);
1369                    startGallery();
1370                    finish();
1371                }
1372            });
1373            v.setContentDescription(getString(R.string.accessibility_unlock_to_camera));
1374            mDataAdapter = new FixedLastDataAdapter(
1375                    mAppContext,
1376                    mDataAdapter,
1377                    new SimpleViewData(
1378                            v,
1379                            LocalDataViewType.SECURE_ALBUM_PLACEHOLDER,
1380                            v.getDrawable().getIntrinsicWidth(),
1381                            v.getDrawable().getIntrinsicHeight(),
1382                            0, 0));
1383            // Flush out all the original data.
1384            mDataAdapter.flush();
1385            mFilmstripController.setDataAdapter(mDataAdapter);
1386        }
1387
1388        setupNfcBeamPush();
1389
1390        mLocalImagesObserver = new LocalMediaObserver();
1391        mLocalVideosObserver = new LocalMediaObserver();
1392
1393        getContentResolver().registerContentObserver(
1394                MediaStore.Images.Media.EXTERNAL_CONTENT_URI, true,
1395                mLocalImagesObserver);
1396        getContentResolver().registerContentObserver(
1397                MediaStore.Video.Media.EXTERNAL_CONTENT_URI, true,
1398                mLocalVideosObserver);
1399        if (FeedbackHelper.feedbackAvailable()) {
1400            mFeedbackHelper = new FeedbackHelper(mAppContext);
1401        }
1402        mMemoryManager = getServices().getMemoryManager();
1403
1404        AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
1405            @Override
1406            public void run() {
1407                HashMap memoryData = mMemoryManager.queryMemory();
1408                UsageStatistics.instance().reportMemoryConsumed(memoryData,
1409                        MemoryQuery.REPORT_LABEL_LAUNCH);
1410            }
1411        });
1412        mMotionManager = getServices().getMotionManager();
1413    }
1414
1415    /**
1416     * Get the current mode index from the Intent or from persistent
1417     * settings.
1418     */
1419    public int getModeIndex() {
1420        int modeIndex = -1;
1421        int photoIndex = getResources().getInteger(R.integer.camera_mode_photo);
1422        int videoIndex = getResources().getInteger(R.integer.camera_mode_video);
1423        int gcamIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1424        if (MediaStore.INTENT_ACTION_VIDEO_CAMERA.equals(getIntent().getAction())
1425                || MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())) {
1426            modeIndex = videoIndex;
1427        } else if (MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())) {
1428            // Capture intent.
1429            modeIndex = photoIndex;
1430        } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA.equals(getIntent().getAction())
1431                ||MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(getIntent()
1432                        .getAction())
1433                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1434            modeIndex = mSettingsManager.getInt(
1435                SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX);
1436
1437            // For upgraders who have not seen the aspect ratio selection screen,
1438            // we need to drop them back in the photo module and have them select
1439            // aspect ratio.
1440            // TODO: Move this to SettingsManager as an upgrade procedure.
1441            if (!mSettingsManager.getBoolean(SettingsManager.SETTING_USER_SELECTED_ASPECT_RATIO)) {
1442                modeIndex = photoIndex;
1443            }
1444        } else {
1445            // If the activity has not been started using an explicit intent,
1446            // read the module index from the last time the user changed modes
1447            modeIndex = mSettingsManager.getInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX);
1448            if ((modeIndex == gcamIndex &&
1449                    !GcamHelper.hasGcamCapture()) || modeIndex < 0) {
1450                modeIndex = photoIndex;
1451            }
1452        }
1453        return modeIndex;
1454    }
1455
1456    /**
1457     * Call this whenever the mode drawer or filmstrip change the visibility
1458     * state.
1459     */
1460    private void updatePreviewVisibility() {
1461        if (mCurrentModule == null) {
1462            return;
1463        }
1464
1465        int visibility = getPreviewVisibility();
1466        mCameraAppUI.onPreviewVisiblityChanged(visibility);
1467        updatePreviewRendering(visibility);
1468        mCurrentModule.onPreviewVisibilityChanged(visibility);
1469    }
1470
1471    private void updatePreviewRendering(int visibility) {
1472        if (visibility == ModuleController.VISIBILITY_HIDDEN) {
1473            mCameraAppUI.pausePreviewRendering();
1474        } else {
1475            mCameraAppUI.resumePreviewRendering();
1476        }
1477    }
1478
1479    private int getPreviewVisibility() {
1480        if (mFilmstripCoversPreview) {
1481            return ModuleController.VISIBILITY_HIDDEN;
1482        } else if (mModeListVisible){
1483            return ModuleController.VISIBILITY_COVERED;
1484        } else {
1485            return ModuleController.VISIBILITY_VISIBLE;
1486        }
1487    }
1488
1489    private void setRotationAnimation() {
1490        int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
1491        rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
1492        Window win = getWindow();
1493        WindowManager.LayoutParams winParams = win.getAttributes();
1494        winParams.rotationAnimation = rotationAnimation;
1495        win.setAttributes(winParams);
1496    }
1497
1498    @Override
1499    public void onUserInteraction() {
1500        super.onUserInteraction();
1501        if (!isFinishing()) {
1502            keepScreenOnForAWhile();
1503        }
1504    }
1505
1506    @Override
1507    public boolean dispatchTouchEvent(MotionEvent ev) {
1508        boolean result = super.dispatchTouchEvent(ev);
1509        if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
1510            // Real deletion is postponed until the next user interaction after
1511            // the gesture that triggers deletion. Until real deletion is
1512            // performed, users can click the undo button to bring back the
1513            // image that they chose to delete.
1514            if (mPendingDeletion && !mIsUndoingDeletion) {
1515                performDeletion();
1516            }
1517        }
1518        return result;
1519    }
1520
1521    @Override
1522    public void onPause() {
1523        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_PAUSE);
1524
1525        /*
1526         * Save the last module index after all secure camera and icon launches,
1527         * not just on mode switches.
1528         *
1529         * Right now we exclude capture intents from this logic, because we also
1530         * ignore the cross-Activity recovery logic in onStart for capture intents.
1531         */
1532        if (!isCaptureIntent()) {
1533            mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX,
1534                mCurrentModeIndex);
1535        }
1536
1537        mPaused = true;
1538        mPeekAnimationHandler = null;
1539        mPeekAnimationThread.quitSafely();
1540        mPeekAnimationThread = null;
1541
1542        // Delete photos that are pending deletion
1543        performDeletion();
1544        mCurrentModule.pause();
1545        mOrientationManager.pause();
1546        // Close the camera and wait for the operation done.
1547        mCameraController.closeCamera(true);
1548        mPanoramaViewHelper.onPause();
1549
1550        mLocalImagesObserver.setForegroundChangeListener(null);
1551        mLocalImagesObserver.setActivityPaused(true);
1552        mLocalVideosObserver.setActivityPaused(true);
1553        mPreloader.cancelAllLoads();
1554        resetScreenOn();
1555
1556        mMotionManager.stop();
1557
1558        UsageStatistics.instance().backgrounded();
1559
1560        super.onPause();
1561    }
1562
1563    @Override
1564    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
1565        if (requestCode == REQ_CODE_DONT_SWITCH_TO_PREVIEW) {
1566            mResetToPreviewOnResume = false;
1567        } else {
1568            super.onActivityResult(requestCode, resultCode, data);
1569        }
1570    }
1571
1572    @Override
1573    public void onResume() {
1574        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_RESUME);
1575        Log.v(TAG, "Build info: " + Build.DISPLAY);
1576
1577        mPaused = false;
1578        updateStorageSpaceAndHint(null);
1579
1580        mLastLayoutOrientation = getResources().getConfiguration().orientation;
1581
1582        // TODO: Handle this in OrientationManager.
1583        // Auto-rotate off
1584        if (Settings.System.getInt(getContentResolver(),
1585                Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {
1586            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
1587            mAutoRotateScreen = false;
1588        } else {
1589            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
1590            mAutoRotateScreen = true;
1591        }
1592
1593        // Foreground event logging.
1594        int source;
1595        String action = getIntent().getAction();
1596        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(action)) {
1597            source = ForegroundSource.ACTION_VIDEO_CAPTURE;
1598        } else if (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)) {
1599            source = ForegroundSource.ACTION_IMAGE_CAPTURE;
1600        } else if (MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(action) ||
1601                INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)) {
1602            // Foreground event caused by lock screen startup.
1603            // May get double logged due to lock screen onResume->onPause->onResume sequence.
1604            source = ForegroundSource.ACTION_IMAGE_CAPTURE_SECURE;
1605        } else if (Intent.ACTION_MAIN.equals(action)) {
1606            source = ForegroundSource.ACTION_MAIN;
1607        } else {
1608            source = ForegroundSource.UNKNOWN_SOURCE;
1609        }
1610        UsageStatistics.instance().foregrounded(source, currentUserInterfaceMode());
1611
1612        mGalleryIntent = IntentHelper.getPhotosGalleryIntent(mAppContext);
1613        Drawable galleryLogo = IntentHelper.getGalleryIcon(mAppContext, mGalleryIntent);
1614        if (galleryLogo == null) {
1615            try {
1616                galleryLogo = getPackageManager().getActivityLogo(getComponentName());
1617            } catch (PackageManager.NameNotFoundException e) {
1618                Log.e(TAG, "Can't get the activity logo");
1619            }
1620        }
1621        if (mGalleryIntent != null) {
1622            mActionBar.setDisplayUseLogoEnabled(true);
1623        }
1624        mActionBar.setLogo(galleryLogo);
1625        mOrientationManager.resume();
1626        super.onResume();
1627        mPeekAnimationThread = new HandlerThread("Peek animation");
1628        mPeekAnimationThread.start();
1629        mPeekAnimationHandler = new PeekAnimationHandler(mPeekAnimationThread.getLooper());
1630
1631        mCurrentModule.hardResetSettings(mSettingsManager);
1632        mCurrentModule.resume();
1633        UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
1634                NavigationChange.InteractionCause.BUTTON);
1635        setSwipingEnabled(true);
1636
1637        if (!mResetToPreviewOnResume) {
1638            LocalData data = mDataAdapter.getLocalData(mFilmstripController.getCurrentId());
1639            if (data != null) {
1640                mDataAdapter.refresh(data.getUri());
1641            }
1642        }
1643        // The share button might be disabled to avoid double tapping.
1644        mCameraAppUI.getFilmstripBottomControls().setShareEnabled(true);
1645        // Default is showing the preview, unless disabled by explicitly
1646        // starting an activity we want to return from to the filmstrip rather
1647        // than the preview.
1648        mResetToPreviewOnResume = true;
1649
1650        if (mLocalVideosObserver.isMediaDataChangedDuringPause()
1651                || mLocalImagesObserver.isMediaDataChangedDuringPause()) {
1652            if (!mSecureCamera) {
1653                // If it's secure camera, requestLoad() should not be called
1654                // as it will load all the data.
1655                if (!mFilmstripVisible) {
1656                    mDataAdapter.requestLoad(new Callback<Void>() {
1657                        @Override
1658                        public void onCallback(Void result) {
1659                            fillTemporarySessions();
1660                        }
1661                    });
1662                } else {
1663                    mDataAdapter.requestLoadNewPhotos();
1664                }
1665            }
1666        }
1667        mLocalImagesObserver.setActivityPaused(false);
1668        mLocalVideosObserver.setActivityPaused(false);
1669        if (!mSecureCamera) {
1670            mLocalImagesObserver.setForegroundChangeListener(
1671                    new LocalMediaObserver.ChangeListener() {
1672                @Override
1673                public void onChange() {
1674                    mDataAdapter.requestLoadNewPhotos();
1675                }
1676            });
1677        }
1678
1679        keepScreenOnForAWhile();
1680
1681        // Lights-out mode at all times.
1682        final View rootView = findViewById(R.id.activity_root_view);
1683        mLightsOutRunnable.run();
1684        getWindow().getDecorView().setOnSystemUiVisibilityChangeListener(
1685                new OnSystemUiVisibilityChangeListener() {
1686                    @Override
1687                    public void onSystemUiVisibilityChange(int visibility) {
1688                        mMainHandler.removeCallbacks(mLightsOutRunnable);
1689                        mMainHandler.postDelayed(mLightsOutRunnable, LIGHTS_OUT_DELAY_MS);
1690                    }
1691                });
1692
1693        mPanoramaViewHelper.onResume();
1694        ReleaseDialogHelper.showReleaseInfoDialogOnStart(this, mSettingsManager);
1695        syncLocationManagerSetting();
1696
1697        final int previewVisibility = getPreviewVisibility();
1698        updatePreviewRendering(previewVisibility);
1699
1700        mMotionManager.start();
1701    }
1702
1703    private void fillTemporarySessions() {
1704        if (mSecureCamera) {
1705            return;
1706        }
1707        // There might be sessions still in flight (processed by our service).
1708        // Make sure they're added to the filmstrip.
1709        getServices().getCaptureSessionManager().fillTemporarySession(mSessionListener);
1710    }
1711
1712    @Override
1713    public void onStart() {
1714        super.onStart();
1715        mPanoramaViewHelper.onStart();
1716
1717        /*
1718         * If we're starting after launching a different Activity (lockscreen),
1719         * we need to use the last mode used in the other Activity, and
1720         * not the old one from this Activity.
1721         *
1722         * This needs to happen before CameraAppUI.resume() in order to set the
1723         * mode cover icon to the actual last mode used.
1724         *
1725         * Right now we exclude capture intents from this logic.
1726         */
1727        int modeIndex = getModeIndex();
1728        if (!isCaptureIntent() && mCurrentModeIndex != modeIndex) {
1729            onModeSelected(modeIndex);
1730        }
1731
1732        if (mResetToPreviewOnResume) {
1733            mCameraAppUI.resume();
1734            mResetToPreviewOnResume = false;
1735        }
1736    }
1737
1738    @Override
1739    protected void onStop() {
1740        mPanoramaViewHelper.onStop();
1741        if (mFeedbackHelper != null) {
1742            mFeedbackHelper.stopFeedback();
1743        }
1744
1745        mLocationManager.disconnect();
1746        super.onStop();
1747    }
1748
1749    @Override
1750    public void onDestroy() {
1751        if (mSecureCamera) {
1752            unregisterReceiver(mScreenOffReceiver);
1753        }
1754        mActionBar.removeOnMenuVisibilityListener(this);
1755        mSettingsManager.removeAllListeners();
1756        mCameraController.removeCallbackReceiver();
1757        getContentResolver().unregisterContentObserver(mLocalImagesObserver);
1758        getContentResolver().unregisterContentObserver(mLocalVideosObserver);
1759        getServices().getCaptureSessionManager().removeSessionListener(mSessionListener);
1760        mCameraAppUI.onDestroy();
1761        mModeListView.setVisibilityChangedListener(null);
1762        mCameraController = null;
1763        mSettingsManager = null;
1764        mCameraAppUI = null;
1765        mOrientationManager = null;
1766        mButtonManager = null;
1767        CameraManagerFactory.recycle();
1768        super.onDestroy();
1769    }
1770
1771    @Override
1772    public void onConfigurationChanged(Configuration config) {
1773        super.onConfigurationChanged(config);
1774        Log.v(TAG, "onConfigurationChanged");
1775        if (config.orientation == Configuration.ORIENTATION_UNDEFINED) {
1776            return;
1777        }
1778
1779        if (mLastLayoutOrientation != config.orientation) {
1780            mLastLayoutOrientation = config.orientation;
1781            mCurrentModule.onLayoutOrientationChanged(
1782                    mLastLayoutOrientation == Configuration.ORIENTATION_LANDSCAPE);
1783        }
1784    }
1785
1786    @Override
1787    public boolean onKeyDown(int keyCode, KeyEvent event) {
1788        if (!mFilmstripVisible) {
1789            if (mCurrentModule.onKeyDown(keyCode, event)) {
1790                return true;
1791            }
1792            // Prevent software keyboard or voice search from showing up.
1793            if (keyCode == KeyEvent.KEYCODE_SEARCH
1794                    || keyCode == KeyEvent.KEYCODE_MENU) {
1795                if (event.isLongPress()) {
1796                    return true;
1797                }
1798            }
1799        }
1800
1801        return super.onKeyDown(keyCode, event);
1802    }
1803
1804    @Override
1805    public boolean onKeyUp(int keyCode, KeyEvent event) {
1806        if (!mFilmstripVisible) {
1807            // If a module is in the middle of capture, it should
1808            // consume the key event.
1809            if (mCurrentModule.onKeyUp(keyCode, event)) {
1810                return true;
1811            } else if (keyCode == KeyEvent.KEYCODE_MENU
1812                    || keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1813                // Let the mode list view consume the event.
1814                mCameraAppUI.openModeList();
1815                return true;
1816            } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1817                mCameraAppUI.showFilmstrip();
1818                return true;
1819            }
1820        } else {
1821            if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1822                mFilmstripController.goToNextItem();
1823                return true;
1824            } else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1825                boolean wentToPrevious = mFilmstripController.goToPreviousItem();
1826                if (!wentToPrevious) {
1827                  // at beginning of filmstrip, hide and go back to preview
1828                  mCameraAppUI.hideFilmstrip();
1829                }
1830                return true;
1831            }
1832        }
1833        return super.onKeyUp(keyCode, event);
1834    }
1835
1836    @Override
1837    public void onBackPressed() {
1838        if (!mCameraAppUI.onBackPressed()) {
1839            if (!mCurrentModule.onBackPressed()) {
1840                super.onBackPressed();
1841            }
1842        }
1843    }
1844
1845    @Override
1846    public boolean isAutoRotateScreen() {
1847        // TODO: Move to OrientationManager.
1848        return mAutoRotateScreen;
1849    }
1850
1851    @Override
1852    public boolean onCreateOptionsMenu(Menu menu) {
1853        MenuInflater inflater = getMenuInflater();
1854        inflater.inflate(R.menu.filmstrip_menu, menu);
1855        mActionBarMenu = menu;
1856        return super.onCreateOptionsMenu(menu);
1857    }
1858
1859    protected long getStorageSpaceBytes() {
1860        synchronized (mStorageSpaceLock) {
1861            return mStorageSpaceBytes;
1862        }
1863    }
1864
1865    protected interface OnStorageUpdateDoneListener {
1866        public void onStorageUpdateDone(long bytes);
1867    }
1868
1869    protected void updateStorageSpaceAndHint(final OnStorageUpdateDoneListener callback) {
1870        /*
1871         * We execute disk operations on a background thread in order to
1872         * free up the UI thread.  Synchronizing on the lock below ensures
1873         * that when getStorageSpaceBytes is called, the main thread waits
1874         * until this method has completed.
1875         *
1876         * However, .execute() does not ensure this execution block will be
1877         * run right away (.execute() schedules this AsyncTask for sometime
1878         * in the future. executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR)
1879         * tries to execute the task in parellel with other AsyncTasks, but
1880         * there's still no guarantee).
1881         * e.g. don't call this then immediately call getStorageSpaceBytes().
1882         * Instead, pass in an OnStorageUpdateDoneListener.
1883         */
1884        (new AsyncTask<Void, Void, Long>() {
1885            @Override
1886            protected Long doInBackground(Void ... arg) {
1887                synchronized (mStorageSpaceLock) {
1888                    mStorageSpaceBytes = Storage.getAvailableSpace();
1889                    return mStorageSpaceBytes;
1890                }
1891            }
1892
1893            @Override
1894            protected void onPostExecute(Long bytes) {
1895                updateStorageHint(bytes);
1896                if (callback != null) {
1897                    callback.onStorageUpdateDone(bytes);
1898                }
1899            }
1900        }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
1901    }
1902
1903    protected void updateStorageHint(long storageSpace) {
1904        String message = null;
1905        if (storageSpace == Storage.UNAVAILABLE) {
1906            message = getString(R.string.no_storage);
1907        } else if (storageSpace == Storage.PREPARING) {
1908            message = getString(R.string.preparing_sd);
1909        } else if (storageSpace == Storage.UNKNOWN_SIZE) {
1910            message = getString(R.string.access_sd_fail);
1911        } else if (storageSpace <= Storage.LOW_STORAGE_THRESHOLD_BYTES) {
1912            message = getString(R.string.spaceIsLow_content);
1913        }
1914
1915        if (message != null) {
1916            Log.w(TAG, "Storage warning: " + message);
1917            if (mStorageHint == null) {
1918                mStorageHint = OnScreenHint.makeText(CameraActivity.this, message);
1919            } else {
1920                mStorageHint.setText(message);
1921            }
1922            mStorageHint.show();
1923            UsageStatistics.instance().storageWarning(storageSpace);
1924        } else if (mStorageHint != null) {
1925            mStorageHint.cancel();
1926            mStorageHint = null;
1927        }
1928    }
1929
1930    protected void setResultEx(int resultCode) {
1931        mResultCodeForTesting = resultCode;
1932        setResult(resultCode);
1933    }
1934
1935    protected void setResultEx(int resultCode, Intent data) {
1936        mResultCodeForTesting = resultCode;
1937        mResultDataForTesting = data;
1938        setResult(resultCode, data);
1939    }
1940
1941    public int getResultCode() {
1942        return mResultCodeForTesting;
1943    }
1944
1945    public Intent getResultData() {
1946        return mResultDataForTesting;
1947    }
1948
1949    public boolean isSecureCamera() {
1950        return mSecureCamera;
1951    }
1952
1953    @Override
1954    public boolean isPaused() {
1955        return mPaused;
1956    }
1957
1958    @Override
1959    public int getPreferredChildModeIndex(int modeIndex) {
1960        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
1961            boolean hdrPlusOn = mSettingsManager.isHdrPlusOn();
1962            if (hdrPlusOn && GcamHelper.hasGcamCapture()) {
1963                modeIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1964            }
1965        }
1966        return modeIndex;
1967    }
1968
1969    @Override
1970    public void onModeSelected(int modeIndex) {
1971        if (mCurrentModeIndex == modeIndex) {
1972            return;
1973        }
1974
1975        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.MODE_SWITCH_START);
1976        // Record last used camera mode for quick switching
1977        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)
1978                || modeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
1979            mSettingsManager.setInt(SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX,
1980                    modeIndex);
1981        }
1982
1983        closeModule(mCurrentModule);
1984
1985        // Select the correct module index from the mode switcher index.
1986        modeIndex = getPreferredChildModeIndex(modeIndex);
1987        setModuleFromModeIndex(modeIndex);
1988
1989        mCameraAppUI.resetBottomControls(mCurrentModule, modeIndex);
1990        mCameraAppUI.addShutterListener(mCurrentModule);
1991        mCameraAppUI.hideLetterboxing();
1992        openModule(mCurrentModule);
1993        mCurrentModule.onOrientationChanged(mLastRawOrientation);
1994        // Store the module index so we can use it the next time the Camera
1995        // starts up.
1996        mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX, modeIndex);
1997    }
1998
1999    /**
2000     * Shows the settings dialog.
2001     */
2002    @Override
2003    public void onSettingsSelected() {
2004        UsageStatistics.instance().controlUsed(
2005                eventprotos.ControlEvent.ControlType.OVERALL_SETTINGS);
2006        Intent intent = new Intent(this, CameraSettingsActivity.class);
2007        startActivity(intent);
2008    }
2009
2010    @Override
2011    public void freezeScreenUntilPreviewReady() {
2012        mCameraAppUI.freezeScreenUntilPreviewReady();
2013    }
2014
2015    /**
2016     * Sets the mCurrentModuleIndex, creates a new module instance for the given
2017     * index an sets it as mCurrentModule.
2018     */
2019    private void setModuleFromModeIndex(int modeIndex) {
2020        ModuleManagerImpl.ModuleAgent agent = mModuleManager.getModuleAgent(modeIndex);
2021        if (agent == null) {
2022            return;
2023        }
2024        if (!agent.requestAppForCamera()) {
2025            mCameraController.closeCamera(true);
2026        }
2027        mCurrentModeIndex = agent.getModuleId();
2028        mCurrentModule = (CameraModule) agent.createModule(this);
2029    }
2030
2031    @Override
2032    public SettingsManager getSettingsManager() {
2033        return mSettingsManager;
2034    }
2035
2036    @Override
2037    public CameraServices getServices() {
2038        return (CameraServices) getApplication();
2039    }
2040
2041    public List<String> getSupportedModeNames() {
2042        List<Integer> indices = mModuleManager.getSupportedModeIndexList();
2043        List<String> supported = new ArrayList<String>();
2044
2045        for (Integer modeIndex : indices) {
2046            String name = CameraUtil.getCameraModeText(modeIndex, mAppContext);
2047            if (name != null && !name.equals("")) {
2048                supported.add(name);
2049            }
2050        }
2051        return supported;
2052    }
2053
2054    @Override
2055    public ButtonManager getButtonManager() {
2056        if (mButtonManager == null) {
2057            mButtonManager = new ButtonManager(this);
2058        }
2059        return mButtonManager;
2060    }
2061
2062    /**
2063     * Creates an AlertDialog appropriate for choosing whether to enable
2064     * location on the first run of the app.
2065     */
2066    public AlertDialog getFirstTimeLocationAlert() {
2067        AlertDialog.Builder builder = new AlertDialog.Builder(this);
2068        builder = SettingsUtil.getFirstTimeLocationAlertBuilder(builder, new Callback<Boolean>() {
2069            @Override
2070            public void onCallback(Boolean locationOn) {
2071                mSettingsManager.setLocation(locationOn, mLocationManager);
2072            }
2073        });
2074        if (builder != null) {
2075            return builder.create();
2076        } else {
2077            return null;
2078        }
2079    }
2080
2081    /**
2082     * Launches an ACTION_EDIT intent for the given local data item. If
2083     * 'withTinyPlanet' is set, this will show a disambig dialog first to let
2084     * the user start either the tiny planet editor or another photo edior.
2085     *
2086     * @param data The data item to edit.
2087     */
2088    public void launchEditor(LocalData data) {
2089        Intent intent = new Intent(Intent.ACTION_EDIT)
2090                .setDataAndType(data.getUri(), data.getMimeType())
2091                .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2092        try {
2093            launchActivityByIntent(intent);
2094        } catch (ActivityNotFoundException e) {
2095            final String msgEditWith = getResources().getString(R.string.edit_with);
2096            launchActivityByIntent(Intent.createChooser(intent, msgEditWith));
2097        }
2098    }
2099
2100    @Override
2101    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
2102        super.onCreateContextMenu(menu, v, menuInfo);
2103
2104        MenuInflater inflater = getMenuInflater();
2105        inflater.inflate(R.menu.filmstrip_context_menu, menu);
2106    }
2107
2108    @Override
2109    public boolean onContextItemSelected(MenuItem item) {
2110        switch (item.getItemId()) {
2111            case R.id.tiny_planet_editor:
2112                mMyFilmstripBottomControlListener.onTinyPlanet();
2113                return true;
2114            case R.id.photo_editor:
2115                mMyFilmstripBottomControlListener.onEdit();
2116                return true;
2117        }
2118        return false;
2119    }
2120
2121    /**
2122     * Launch the tiny planet editor.
2123     *
2124     * @param data The data must be a 360 degree stereographically mapped
2125     *            panoramic image. It will not be modified, instead a new item
2126     *            with the result will be added to the filmstrip.
2127     */
2128    public void launchTinyPlanetEditor(LocalData data) {
2129        TinyPlanetFragment fragment = new TinyPlanetFragment();
2130        Bundle bundle = new Bundle();
2131        bundle.putString(TinyPlanetFragment.ARGUMENT_URI, data.getUri().toString());
2132        bundle.putString(TinyPlanetFragment.ARGUMENT_TITLE, data.getTitle());
2133        fragment.setArguments(bundle);
2134        fragment.show(getFragmentManager(), "tiny_planet");
2135    }
2136
2137    /**
2138     * Returns what UI mode (capture mode or filmstrip) we are in.
2139     * Returned number one of {@link com.google.common.logging.eventprotos.NavigationChange.Mode}
2140     */
2141    private int currentUserInterfaceMode() {
2142        int mode = NavigationChange.Mode.UNKNOWN_MODE;
2143        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
2144            mode = NavigationChange.Mode.PHOTO_CAPTURE;
2145        }
2146        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_video)) {
2147            mode = NavigationChange.Mode.VIDEO_CAPTURE;
2148        }
2149        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_refocus)) {
2150            mode = NavigationChange.Mode.LENS_BLUR;
2151        }
2152        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
2153            mode = NavigationChange.Mode.HDR_PLUS;
2154        }
2155        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photosphere)) {
2156            mode = NavigationChange.Mode.PHOTO_SPHERE;
2157        }
2158        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_panorama)) {
2159            mode = NavigationChange.Mode.PANORAMA;
2160        }
2161        if (mFilmstripVisible) {
2162            mode = NavigationChange.Mode.FILMSTRIP;
2163        }
2164        return mode;
2165    }
2166
2167    private void openModule(CameraModule module) {
2168        module.init(this, isSecureCamera(), isCaptureIntent());
2169        module.hardResetSettings(mSettingsManager);
2170        module.resume();
2171        UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
2172                NavigationChange.InteractionCause.BUTTON);
2173        updatePreviewVisibility();
2174    }
2175
2176    private void closeModule(CameraModule module) {
2177        module.pause();
2178        mCameraAppUI.clearModuleUI();
2179    }
2180
2181    private void performDeletion() {
2182        if (!mPendingDeletion) {
2183            return;
2184        }
2185        hideUndoDeletionBar(false);
2186        mDataAdapter.executeDeletion();
2187    }
2188
2189    public void showUndoDeletionBar() {
2190        if (mPendingDeletion) {
2191            performDeletion();
2192        }
2193        Log.v(TAG, "showing undo bar");
2194        mPendingDeletion = true;
2195        if (mUndoDeletionBar == null) {
2196            ViewGroup v = (ViewGroup) getLayoutInflater().inflate(R.layout.undo_bar,
2197                    mAboveFilmstripControlLayout, true);
2198            mUndoDeletionBar = (ViewGroup) v.findViewById(R.id.camera_undo_deletion_bar);
2199            View button = mUndoDeletionBar.findViewById(R.id.camera_undo_deletion_button);
2200            button.setOnClickListener(new View.OnClickListener() {
2201                @Override
2202                public void onClick(View view) {
2203                    mDataAdapter.undoDataRemoval();
2204                    hideUndoDeletionBar(true);
2205                }
2206            });
2207            // Setting undo bar clickable to avoid touch events going through
2208            // the bar to the buttons (eg. edit button, etc) underneath the bar.
2209            mUndoDeletionBar.setClickable(true);
2210            // When there is user interaction going on with the undo button, we
2211            // do not want to hide the undo bar.
2212            button.setOnTouchListener(new View.OnTouchListener() {
2213                @Override
2214                public boolean onTouch(View v, MotionEvent event) {
2215                    if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
2216                        mIsUndoingDeletion = true;
2217                    } else if (event.getActionMasked() == MotionEvent.ACTION_UP) {
2218                        mIsUndoingDeletion = false;
2219                    }
2220                    return false;
2221                }
2222            });
2223        }
2224        mUndoDeletionBar.setAlpha(0f);
2225        mUndoDeletionBar.setVisibility(View.VISIBLE);
2226        mUndoDeletionBar.animate().setDuration(200).alpha(1f).setListener(null).start();
2227    }
2228
2229    private void hideUndoDeletionBar(boolean withAnimation) {
2230        Log.v(TAG, "Hiding undo deletion bar");
2231        mPendingDeletion = false;
2232        if (mUndoDeletionBar != null) {
2233            if (withAnimation) {
2234                mUndoDeletionBar.animate().setDuration(200).alpha(0f)
2235                        .setListener(new Animator.AnimatorListener() {
2236                            @Override
2237                            public void onAnimationStart(Animator animation) {
2238                                // Do nothing.
2239                            }
2240
2241                            @Override
2242                            public void onAnimationEnd(Animator animation) {
2243                                mUndoDeletionBar.setVisibility(View.GONE);
2244                            }
2245
2246                            @Override
2247                            public void onAnimationCancel(Animator animation) {
2248                                // Do nothing.
2249                            }
2250
2251                            @Override
2252                            public void onAnimationRepeat(Animator animation) {
2253                                // Do nothing.
2254                            }
2255                        }).start();
2256            } else {
2257                mUndoDeletionBar.setVisibility(View.GONE);
2258            }
2259        }
2260    }
2261
2262    @Override
2263    public void onOrientationChanged(int orientation) {
2264        // We keep the last known orientation. So if the user first orient
2265        // the camera then point the camera to floor or sky, we still have
2266        // the correct orientation.
2267        if (orientation == OrientationManager.ORIENTATION_UNKNOWN) {
2268            return;
2269        }
2270        mLastRawOrientation = orientation;
2271        if (mCurrentModule != null) {
2272            mCurrentModule.onOrientationChanged(orientation);
2273        }
2274    }
2275
2276    /**
2277     * Enable/disable swipe-to-filmstrip. Will always disable swipe if in
2278     * capture intent.
2279     *
2280     * @param enable {@code true} to enable swipe.
2281     */
2282    public void setSwipingEnabled(boolean enable) {
2283        // TODO: Bring back the functionality.
2284        if (isCaptureIntent()) {
2285            // lockPreview(true);
2286        } else {
2287            // lockPreview(!enable);
2288        }
2289    }
2290
2291    // Accessor methods for getting latency times used in performance testing
2292    public long getFirstPreviewTime() {
2293        if (mCurrentModule instanceof PhotoModule) {
2294            long coverHiddenTime = getCameraAppUI().getCoverHiddenTime();
2295            if (coverHiddenTime != -1) {
2296                return coverHiddenTime - mOnCreateTime;
2297            }
2298        }
2299        return -1;
2300    }
2301
2302    public long getAutoFocusTime() {
2303        return (mCurrentModule instanceof PhotoModule) ?
2304                ((PhotoModule) mCurrentModule).mAutoFocusTime : -1;
2305    }
2306
2307    public long getShutterLag() {
2308        return (mCurrentModule instanceof PhotoModule) ?
2309                ((PhotoModule) mCurrentModule).mShutterLag : -1;
2310    }
2311
2312    public long getShutterToPictureDisplayedTime() {
2313        return (mCurrentModule instanceof PhotoModule) ?
2314                ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1;
2315    }
2316
2317    public long getPictureDisplayedToJpegCallbackTime() {
2318        return (mCurrentModule instanceof PhotoModule) ?
2319                ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1;
2320    }
2321
2322    public long getJpegCallbackFinishTime() {
2323        return (mCurrentModule instanceof PhotoModule) ?
2324                ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1;
2325    }
2326
2327    public long getCaptureStartTime() {
2328        return (mCurrentModule instanceof PhotoModule) ?
2329                ((PhotoModule) mCurrentModule).mCaptureStartTime : -1;
2330    }
2331
2332    public boolean isRecording() {
2333        return (mCurrentModule instanceof VideoModule) ?
2334                ((VideoModule) mCurrentModule).isRecording() : false;
2335    }
2336
2337    public CameraManager.CameraOpenCallback getCameraOpenErrorCallback() {
2338        return mCameraController;
2339    }
2340
2341    // For debugging purposes only.
2342    public CameraModule getCurrentModule() {
2343        return mCurrentModule;
2344    }
2345
2346    @Override
2347    public void showTutorial(AbstractTutorialOverlay tutorial) {
2348        mCameraAppUI.showTutorial(tutorial, getLayoutInflater());
2349    }
2350
2351    /**
2352     * Reads the current location recording settings and passes it on to the
2353     * location manager.
2354     */
2355    public void syncLocationManagerSetting() {
2356        mSettingsManager.syncLocationManager(mLocationManager);
2357    }
2358
2359    private void keepScreenOnForAWhile() {
2360        if (mKeepScreenOn) {
2361            return;
2362        }
2363        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2364        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2365        mMainHandler.sendEmptyMessageDelayed(MSG_CLEAR_SCREEN_ON_FLAG, SCREEN_DELAY_MS);
2366    }
2367
2368    private void resetScreenOn() {
2369        mKeepScreenOn = false;
2370        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2371        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2372    }
2373
2374    /**
2375     * @return {@code true} if the Gallery is launched successfully.
2376     */
2377    private boolean startGallery() {
2378        if (mGalleryIntent == null) {
2379            return false;
2380        }
2381        try {
2382            UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
2383                    NavigationChange.InteractionCause.BUTTON);
2384            Intent startGalleryIntent = new Intent(mGalleryIntent);
2385            int currentDataId = mFilmstripController.getCurrentId();
2386            LocalData currentLocalData = mDataAdapter.getLocalData(currentDataId);
2387            if (currentLocalData != null) {
2388                GalleryHelper.setContentUri(startGalleryIntent, currentLocalData.getUri());
2389            }
2390            launchActivityByIntent(startGalleryIntent);
2391        } catch (ActivityNotFoundException e) {
2392            Log.w(TAG, "Failed to launch gallery activity, closing");
2393        }
2394        return false;
2395    }
2396
2397    private void setNfcBeamPushUriFromData(LocalData data) {
2398        final Uri uri = data.getUri();
2399        if (uri != Uri.EMPTY) {
2400            mNfcPushUris[0] = uri;
2401        } else {
2402            mNfcPushUris[0] = null;
2403        }
2404    }
2405
2406    /**
2407     * Updates the visibility of the filmstrip bottom controls and action bar.
2408     */
2409    private void updateUiByData(final int dataId) {
2410        final LocalData currentData = mDataAdapter.getLocalData(dataId);
2411        if (currentData == null) {
2412            Log.w(TAG, "Current data ID not found.");
2413            hideSessionProgress();
2414            return;
2415        }
2416        updateActionBarMenu(currentData);
2417
2418        /* Bottom controls. */
2419        updateBottomControlsByData(currentData);
2420
2421        if (isSecureCamera()) {
2422            // We cannot show buttons in secure camera since go to other
2423            // activities might create a security hole.
2424            mCameraAppUI.getFilmstripBottomControls().hideControls();
2425            return;
2426        }
2427
2428
2429        setNfcBeamPushUriFromData(currentData);
2430
2431        if (!mDataAdapter.isMetadataUpdated(dataId)) {
2432            mDataAdapter.updateMetadata(dataId);
2433        }
2434    }
2435
2436    /**
2437     * Updates the bottom controls based on the data.
2438     */
2439    private void updateBottomControlsByData(final LocalData currentData) {
2440
2441        final CameraAppUI.BottomPanel filmstripBottomPanel =
2442                mCameraAppUI.getFilmstripBottomControls();
2443        filmstripBottomPanel.showControls();
2444        filmstripBottomPanel.setEditButtonVisibility(
2445                currentData.isDataActionSupported(LocalData.DATA_ACTION_EDIT));
2446        filmstripBottomPanel.setShareButtonVisibility(
2447                currentData.isDataActionSupported(LocalData.DATA_ACTION_SHARE));
2448        filmstripBottomPanel.setDeleteButtonVisibility(
2449                currentData.isDataActionSupported(LocalData.DATA_ACTION_DELETE));
2450
2451        /* Progress bar */
2452
2453        Uri contentUri = currentData.getUri();
2454        CaptureSessionManager sessionManager = getServices()
2455                .getCaptureSessionManager();
2456
2457        if (sessionManager.hasErrorMessage(contentUri)) {
2458            showProcessError(sessionManager.getErrorMesage(contentUri));
2459        } else {
2460            filmstripBottomPanel.hideProgressError();
2461            CaptureSession session = sessionManager.getSession(contentUri);
2462
2463            if (session != null) {
2464                int sessionProgress = session.getProgress();
2465
2466                if (sessionProgress < 0) {
2467                    hideSessionProgress();
2468                } else {
2469                    CharSequence progressMessage = session.getProgressMessage();
2470                    showSessionProgress(progressMessage);
2471                    updateSessionProgress(sessionProgress);
2472                }
2473            } else {
2474                hideSessionProgress();
2475            }
2476        }
2477
2478        /* View button */
2479
2480        // We need to add this to a separate DB.
2481        final int viewButtonVisibility;
2482        if (PanoramaMetadataLoader.isPanoramaAndUseViewer(currentData)) {
2483            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_PHOTO_SPHERE;
2484        } else if (RgbzMetadataLoader.hasRGBZData(currentData)) {
2485            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_REFOCUS;
2486        } else {
2487            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_NONE;
2488        }
2489
2490        filmstripBottomPanel.setTinyPlanetEnabled(
2491                PanoramaMetadataLoader.isPanorama360(currentData));
2492        filmstripBottomPanel.setViewerButtonVisibility(viewButtonVisibility);
2493    }
2494
2495    private class PeekAnimationHandler extends Handler {
2496        private class DataAndCallback {
2497            LocalData mData;
2498            com.android.camera.util.Callback<Bitmap> mCallback;
2499
2500            public DataAndCallback(LocalData data, com.android.camera.util.Callback<Bitmap>
2501                    callback) {
2502                mData = data;
2503                mCallback = callback;
2504            }
2505        }
2506
2507        public PeekAnimationHandler(Looper looper) {
2508            super(looper);
2509        }
2510
2511        /**
2512         * Starts the animation decoding job and posts a {@code Runnable} back
2513         * when when the decoding is done.
2514         *
2515         * @param data The data item to decode the thumbnail for.
2516         * @param callback {@link com.android.camera.util.Callback} after the
2517         *                 decoding is done.
2518         */
2519        public void startDecodingJob(final LocalData data,
2520                final com.android.camera.util.Callback<Bitmap> callback) {
2521            PeekAnimationHandler.this.obtainMessage(0 /** dummy integer **/,
2522                    new DataAndCallback(data, callback)).sendToTarget();
2523        }
2524
2525        @Override
2526        public void handleMessage(Message msg) {
2527            final LocalData data = ((DataAndCallback) msg.obj).mData;
2528            final com.android.camera.util.Callback<Bitmap> callback =
2529                    ((DataAndCallback) msg.obj).mCallback;
2530            if (data == null || callback == null) {
2531                return;
2532            }
2533
2534            final Bitmap bitmap;
2535            switch (data.getLocalDataType()) {
2536                case LocalData.LOCAL_IN_PROGRESS_DATA:
2537                    byte[] jpegData = Storage.getJpegForSession(data.getUri());
2538                    if (jpegData != null) {
2539                        bitmap = BitmapFactory.decodeByteArray(jpegData, 0, jpegData.length);
2540                    } else {
2541                        bitmap = null;
2542                    }
2543                    break;
2544
2545                case LocalData.LOCAL_IMAGE:
2546                    FileInputStream stream;
2547                    try {
2548                        stream = new FileInputStream(data.getPath());
2549                    } catch (FileNotFoundException e) {
2550                        Log.e(TAG, "File not found:" + data.getPath());
2551                        return;
2552                    }
2553                    Point dim = CameraUtil.resizeToFill(data.getWidth(), data.getHeight(),
2554                            data.getRotation(), mAboveFilmstripControlLayout.getWidth(),
2555                            mAboveFilmstripControlLayout.getMeasuredHeight());
2556                    if (data.getRotation() % 180 != 0) {
2557                        int dummy = dim.x;
2558                        dim.x = dim.y;
2559                        dim.y = dummy;
2560                    }
2561                    bitmap = LocalDataUtil
2562                            .loadImageThumbnailFromStream(stream, data.getWidth(), data.getHeight(),
2563                                    (int) (dim.x * 0.7f), (int) (dim.y * 0.7),
2564                                    data.getRotation(), MAX_PEEK_BITMAP_PIXELS);
2565                    break;
2566
2567                case LocalData.LOCAL_VIDEO:
2568                    bitmap = LocalDataUtil.loadVideoThumbnail(data.getPath());
2569                    break;
2570
2571                default:
2572                    bitmap = null;
2573                    break;
2574            }
2575
2576            if (bitmap == null) {
2577                return;
2578            }
2579
2580            mMainHandler.post(new Runnable() {
2581                @Override
2582                public void run() {
2583                    callback.onCallback(bitmap);
2584                }
2585            });
2586        }
2587    }
2588
2589    private void showDetailsDialog(int dataId) {
2590        final LocalData data = mDataAdapter.getLocalData(dataId);
2591        if (data == null) {
2592            return;
2593        }
2594        MediaDetails details = data.getMediaDetails(getAndroidContext());
2595        if (details == null) {
2596            return;
2597        }
2598        Dialog detailDialog = DetailsDialog.create(CameraActivity.this, details);
2599        detailDialog.show();
2600        UsageStatistics.instance().mediaInteraction(
2601                fileNameFromDataID(dataId), MediaInteraction.InteractionType.DETAILS,
2602                NavigationChange.InteractionCause.BUTTON, fileAgeFromDataID(dataId));
2603    }
2604
2605    /**
2606     * Show or hide action bar items depending on current data type.
2607     */
2608    private void updateActionBarMenu(LocalData data) {
2609        if (mActionBarMenu == null) {
2610            return;
2611        }
2612
2613        MenuItem detailsMenuItem = mActionBarMenu.findItem(R.id.action_details);
2614        if (detailsMenuItem == null) {
2615            return;
2616        }
2617
2618        int type = data.getLocalDataType();
2619        boolean showDetails = (type == LocalData.LOCAL_IMAGE) || (type == LocalData.LOCAL_VIDEO);
2620        detailsMenuItem.setVisible(showDetails);
2621    }
2622}
2623