CameraActivity.java revision 62c20bfb063743d636300ba49b89f16c6f2546d0 
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.net.Uri;
42import android.nfc.NfcAdapter;
43import android.nfc.NfcAdapter.CreateBeamUrisCallback;
44import android.nfc.NfcEvent;
45import android.os.AsyncTask;
46import android.os.Build;
47import android.os.Bundle;
48import android.os.Handler;
49import android.os.HandlerThread;
50import android.os.Looper;
51import android.os.Message;
52import android.provider.MediaStore;
53import android.provider.Settings;
54import android.text.TextUtils;
55import android.util.CameraPerformanceTracker;
56import android.view.ContextMenu;
57import android.view.ContextMenu.ContextMenuInfo;
58import android.view.KeyEvent;
59import android.view.Menu;
60import android.view.MenuInflater;
61import android.view.MenuItem;
62import android.view.MotionEvent;
63import android.view.View;
64import android.view.View.OnSystemUiVisibilityChangeListener;
65import android.view.ViewGroup;
66import android.view.Window;
67import android.view.WindowManager;
68import android.widget.FrameLayout;
69import android.widget.ImageView;
70import android.widget.ShareActionProvider;
71
72import com.android.camera.app.AppController;
73import com.android.camera.app.CameraAppUI;
74import com.android.camera.app.CameraController;
75import com.android.camera.app.CameraProvider;
76import com.android.camera.app.CameraServices;
77import com.android.camera.app.LocationManager;
78import com.android.camera.app.ModuleManager;
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.data.CameraDataAdapter;
86import com.android.camera.data.FixedLastDataAdapter;
87import com.android.camera.data.LocalData;
88import com.android.camera.data.LocalDataAdapter;
89import com.android.camera.data.LocalDataUtil;
90import com.android.camera.data.LocalDataViewType;
91import com.android.camera.data.LocalMediaData;
92import com.android.camera.data.LocalMediaObserver;
93import com.android.camera.data.LocalSessionData;
94import com.android.camera.data.MediaDetails;
95import com.android.camera.data.MetadataLoader;
96import com.android.camera.data.PanoramaMetadataLoader;
97import com.android.camera.data.RgbzMetadataLoader;
98import com.android.camera.data.SimpleViewData;
99import com.android.camera.debug.Log;
100import com.android.camera.filmstrip.FilmstripContentPanel;
101import com.android.camera.filmstrip.FilmstripController;
102import com.android.camera.hardware.HardwareSpec;
103import com.android.camera.hardware.HardwareSpecImpl;
104import com.android.camera.module.ModuleController;
105import com.android.camera.module.ModulesInfo;
106import com.android.camera.session.CaptureSession;
107import com.android.camera.session.CaptureSessionManager;
108import com.android.camera.session.CaptureSessionManager.SessionListener;
109import com.android.camera.settings.CameraSettingsActivity;
110import com.android.camera.settings.Keys;
111import com.android.camera.settings.SettingsManager;
112import com.android.camera.settings.SettingsUtil;
113import com.android.camera.settings.Upgrade;
114import com.android.camera.settings.UpgradeAosp;
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.android.ex.camera2.portability.CameraAgent;
137import com.android.ex.camera2.portability.CameraAgentFactory;
138import com.android.ex.camera2.portability.CameraSettings;
139import com.bumptech.glide.Glide;
140import com.bumptech.glide.GlideBuilder;
141import com.bumptech.glide.MemoryCategory;
142import com.bumptech.glide.load.engine.executor.FifoPriorityThreadPoolExecutor;
143import com.google.common.logging.eventprotos;
144import com.google.common.logging.eventprotos.ForegroundEvent.ForegroundSource;
145import com.google.common.logging.eventprotos.MediaInteraction;
146import com.google.common.logging.eventprotos.NavigationChange;
147
148import java.io.File;
149import java.io.FileInputStream;
150import java.io.FileNotFoundException;
151import java.lang.ref.WeakReference;
152import java.util.ArrayList;
153import java.util.HashMap;
154import java.util.List;
155import java.util.concurrent.TimeUnit;
156
157public class CameraActivity extends Activity
158        implements AppController, CameraAgent.CameraOpenCallback,
159        ActionBar.OnMenuVisibilityListener, ShareActionProvider.OnShareTargetSelectedListener,
160        OrientationManager.OnOrientationChangeListener {
161
162    private static final Log.Tag TAG = new Log.Tag("CameraActivity");
163
164    private static final String INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE =
165            "android.media.action.STILL_IMAGE_CAMERA_SECURE";
166    public static final String ACTION_IMAGE_CAPTURE_SECURE =
167            "android.media.action.IMAGE_CAPTURE_SECURE";
168
169    // The intent extra for camera from secure lock screen. True if the gallery
170    // should only show newly captured pictures. sSecureAlbumId does not
171    // increment. This is used when switching between camera, camcorder, and
172    // panorama. If the extra is not set, it is in the normal camera mode.
173    public static final String SECURE_CAMERA_EXTRA = "secure_camera";
174
175    public static final String MODULE_SCOPE_PREFIX = "_preferences_module_";
176    public static final String CAMERA_SCOPE_PREFIX = "_preferences_camera_";
177
178    /**
179     * Request code from an activity we started that indicated that we do not
180     * want to reset the view to the preview in onResume.
181     */
182    public static final int REQ_CODE_DONT_SWITCH_TO_PREVIEW = 142;
183
184    public static final int REQ_CODE_GCAM_DEBUG_POSTCAPTURE = 999;
185
186    private static final int MSG_CLEAR_SCREEN_ON_FLAG = 2;
187    private static final long SCREEN_DELAY_MS = 2 * 60 * 1000; // 2 mins.
188    private static final int MAX_PEEK_BITMAP_PIXELS = 1600000; // 1.6 * 4 MBs.
189    /** Load metadata for 10 items ahead of our current. */
190    private static final int FILMSTRIP_PRELOAD_AHEAD_ITEMS = 10;
191
192    /** Should be used wherever a context is needed. */
193    private Context mAppContext;
194
195    /**
196     * Whether onResume should reset the view to the preview.
197     */
198    private boolean mResetToPreviewOnResume = true;
199
200    /**
201     * This data adapter is used by FilmStripView.
202     */
203    private LocalDataAdapter mDataAdapter;
204
205    private SettingsManager mSettingsManager;
206    private ModeListView mModeListView;
207    private boolean mModeListVisible = false;
208    private int mCurrentModeIndex;
209    private CameraModule mCurrentModule;
210    private ModuleManagerImpl mModuleManager;
211    private FrameLayout mAboveFilmstripControlLayout;
212    private FilmstripController mFilmstripController;
213    private boolean mFilmstripVisible;
214    /** Whether the filmstrip fully covers the preview. */
215    private boolean mFilmstripCoversPreview = false;
216    private int mResultCodeForTesting;
217    private Intent mResultDataForTesting;
218    private OnScreenHint mStorageHint;
219    private final Object mStorageSpaceLock = new Object();
220    private long mStorageSpaceBytes = Storage.LOW_STORAGE_THRESHOLD_BYTES;
221    private boolean mAutoRotateScreen;
222    private boolean mSecureCamera;
223    private int mLastRawOrientation;
224    private OrientationManagerImpl mOrientationManager;
225    private LocationManager mLocationManager;
226    private ButtonManager mButtonManager;
227    private Handler mMainHandler;
228    private PanoramaViewHelper mPanoramaViewHelper;
229    private ActionBar mActionBar;
230    private ViewGroup mUndoDeletionBar;
231    private boolean mIsUndoingDeletion = false;
232    private boolean mIsActivityRunning = false;
233
234    private final Uri[] mNfcPushUris = new Uri[1];
235
236    private LocalMediaObserver mLocalImagesObserver;
237    private LocalMediaObserver mLocalVideosObserver;
238
239    private boolean mPendingDeletion = false;
240
241    private CameraController mCameraController;
242    private boolean mPaused;
243    private CameraAppUI mCameraAppUI;
244
245    private PeekAnimationHandler mPeekAnimationHandler;
246    private HandlerThread mPeekAnimationThread;
247
248    private FeedbackHelper mFeedbackHelper;
249
250    private Intent mGalleryIntent;
251    private long mOnCreateTime;
252
253    private Menu mActionBarMenu;
254    private Preloader<Integer, AsyncTask> mPreloader;
255
256    private static final int LIGHTS_OUT_DELAY_MS = 4000;
257    private final int BASE_SYS_UI_VISIBILITY = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
258            | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
259    private final Runnable mLightsOutRunnable = new Runnable() {
260        @Override
261        public void run() {
262            getWindow().getDecorView().setSystemUiVisibility(
263                    BASE_SYS_UI_VISIBILITY | View.SYSTEM_UI_FLAG_LOW_PROFILE);
264        }
265    };
266    private MemoryManager mMemoryManager;
267    private MotionManager mMotionManager;
268
269    @Override
270    public CameraAppUI getCameraAppUI() {
271        return mCameraAppUI;
272    }
273
274    @Override
275    public ModuleManager getModuleManager() {
276        return mModuleManager;
277    }
278
279    // close activity when screen turns off
280    private final BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() {
281        @Override
282        public void onReceive(Context context, Intent intent) {
283            finish();
284        }
285    };
286
287    /**
288     * Whether the screen is kept turned on.
289     */
290    private boolean mKeepScreenOn;
291    private int mLastLayoutOrientation;
292    private final CameraAppUI.BottomPanel.Listener mMyFilmstripBottomControlListener =
293            new CameraAppUI.BottomPanel.Listener() {
294
295                /**
296                 * If the current photo is a photo sphere, this will launch the
297                 * Photo Sphere panorama viewer.
298                 */
299                @Override
300                public void onExternalViewer() {
301                    if (mPanoramaViewHelper == null) {
302                        return;
303                    }
304                    final LocalData data = getCurrentLocalData();
305                    if (data == null) {
306                        return;
307                    }
308                    final Uri contentUri = data.getUri();
309                    if (contentUri == Uri.EMPTY) {
310                        return;
311                    }
312
313                    if (PanoramaMetadataLoader.isPanoramaAndUseViewer(data)) {
314                        mPanoramaViewHelper.showPanorama(CameraActivity.this, contentUri);
315                    } else if (RgbzMetadataLoader.hasRGBZData(data)) {
316                        mPanoramaViewHelper.showRgbz(contentUri);
317                        if (mSettingsManager.getBoolean(SettingsManager.SCOPE_GLOBAL,
318                                Keys.KEY_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
319                            mSettingsManager.set(SettingsManager.SCOPE_GLOBAL,
320                                    Keys.KEY_SHOULD_SHOW_REFOCUS_VIEWER_CLING, false);
321                            mCameraAppUI.clearClingForViewer(
322                                    CameraAppUI.BottomPanel.VIEWER_REFOCUS);
323                        }
324                    }
325                }
326
327                @Override
328                public void onEdit() {
329                    LocalData data = getCurrentLocalData();
330                    if (data == null) {
331                        return;
332                    }
333                    final int currentDataId = getCurrentDataId();
334                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
335                            MediaInteraction.InteractionType.EDIT,
336                            NavigationChange.InteractionCause.BUTTON,
337                            fileAgeFromDataID(currentDataId));
338                    launchEditor(data);
339                }
340
341                @Override
342                public void onTinyPlanet() {
343                    LocalData data = getCurrentLocalData();
344                    if (data == null) {
345                        return;
346                    }
347                    launchTinyPlanetEditor(data);
348                }
349
350                @Override
351                public void onDelete() {
352                    final int currentDataId = getCurrentDataId();
353                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
354                            MediaInteraction.InteractionType.DELETE,
355                            NavigationChange.InteractionCause.BUTTON,
356                            fileAgeFromDataID(currentDataId));
357                    removeData(currentDataId);
358                }
359
360                @Override
361                public void onShare() {
362                    final LocalData data = getCurrentLocalData();
363                    final int currentDataId = getCurrentDataId();
364                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
365                            MediaInteraction.InteractionType.SHARE,
366                            NavigationChange.InteractionCause.BUTTON,
367                            fileAgeFromDataID(currentDataId));
368                    // If applicable, show release information before this item
369                    // is shared.
370                    if (ReleaseDialogHelper.shouldShowReleaseInfoDialogOnShare(data)) {
371                        ReleaseDialogHelper.showReleaseInfoDialog(CameraActivity.this,
372                                new Callback<Void>() {
373                                    @Override
374                                    public void onCallback(Void result) {
375                                        share(data);
376                                    }
377                                });
378                    } else {
379                        share(data);
380                    }
381                }
382
383                private void share(LocalData data) {
384                    Intent shareIntent = getShareIntentByData(data);
385                    if (shareIntent != null) {
386                        try {
387                            launchActivityByIntent(shareIntent);
388                            mCameraAppUI.getFilmstripBottomControls().setShareEnabled(false);
389                        } catch (ActivityNotFoundException ex) {
390                            // Nothing.
391                        }
392                    }
393                }
394
395                private int getCurrentDataId() {
396                    return mFilmstripController.getCurrentId();
397                }
398
399                private LocalData getCurrentLocalData() {
400                    return mDataAdapter.getLocalData(getCurrentDataId());
401                }
402
403                /**
404                 * Sets up the share intent and NFC properly according to the
405                 * data.
406                 *
407                 * @param data The data to be shared.
408                 */
409                private Intent getShareIntentByData(final LocalData data) {
410                    Intent intent = null;
411                    final Uri contentUri = data.getUri();
412                    final String msgShareTo = getResources().getString(R.string.share_to);
413
414                    if (PanoramaMetadataLoader.isPanorama360(data) &&
415                            data.getUri() != Uri.EMPTY) {
416                        intent = new Intent(Intent.ACTION_SEND);
417                        intent.setType("application/vnd.google.panorama360+jpg");
418                        intent.putExtra(Intent.EXTRA_STREAM, contentUri);
419                    } else if (data.isDataActionSupported(LocalData.DATA_ACTION_SHARE)) {
420                        final String mimeType = data.getMimeType();
421                        intent = getShareIntentFromType(mimeType);
422                        if (intent != null) {
423                            intent.putExtra(Intent.EXTRA_STREAM, contentUri);
424                            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
425                        }
426                        intent = Intent.createChooser(intent, msgShareTo);
427                    }
428                    return intent;
429                }
430
431                /**
432                 * Get the share intent according to the mimeType
433                 *
434                 * @param mimeType The mimeType of current data.
435                 * @return the video/image's ShareIntent or null if mimeType is
436                 *         invalid.
437                 */
438                private Intent getShareIntentFromType(String mimeType) {
439                    // Lazily create the intent object.
440                    Intent intent = new Intent(Intent.ACTION_SEND);
441                    if (mimeType.startsWith("video/")) {
442                        intent.setType("video/*");
443                    } else {
444                        if (mimeType.startsWith("image/")) {
445                            intent.setType("image/*");
446                        } else {
447                            Log.w(TAG, "unsupported mimeType " + mimeType);
448                        }
449                    }
450                    return intent;
451                }
452
453                @Override
454                public void onProgressErrorClicked() {
455                    LocalData data = getCurrentLocalData();
456                    getServices().getCaptureSessionManager().removeErrorMessage(
457                            data.getUri());
458                    updateBottomControlsByData(data);
459                }
460            };
461
462    @Override
463    public void onCameraOpened(CameraAgent.CameraProxy camera) {
464        if (mPaused) {
465            return;
466        }
467        /**
468         * The current UI requires that the flash option visibility in front-facing
469         * camera be
470         *   * disabled if back facing camera supports flash
471         *   * hidden if back facing camera does not support flash
472         * We save whether back facing camera supports flash because we cannot get
473         * this in front facing camera without a camera switch.
474         *
475         * If this preference is cleared, we also need to clear the camera facing
476         * setting so we default to opening the camera in back facing camera, and
477         * can save this flash support value again.
478         */
479        if (!mSettingsManager.isSet(SettingsManager.SCOPE_GLOBAL,
480                                    Keys.KEY_FLASH_SUPPORTED_BACK_CAMERA)) {
481            HardwareSpec hardware =
482                    new HardwareSpecImpl(getCameraProvider(), camera.getCapabilities());
483            mSettingsManager.set(SettingsManager.SCOPE_GLOBAL,
484                                 Keys.KEY_FLASH_SUPPORTED_BACK_CAMERA,
485                                 hardware.isFlashSupported());
486        }
487
488        if (!mModuleManager.getModuleAgent(mCurrentModeIndex).requestAppForCamera()) {
489            // We shouldn't be here. Just close the camera and leave.
490            mCameraController.closeCamera(false);
491            throw new IllegalStateException("Camera opened but the module shouldn't be " +
492                    "requesting");
493        }
494        if (mCurrentModule != null) {
495            resetExposureCompensationToDefault(camera);
496            mCurrentModule.onCameraAvailable(camera);
497        }
498        mCameraAppUI.onChangeCamera();
499    }
500
501    private void resetExposureCompensationToDefault(CameraAgent.CameraProxy camera) {
502        // Reset the exposure compensation before handing the camera to module.
503        CameraSettings cameraSettings = camera.getSettings();
504        cameraSettings.setExposureCompensationIndex(0);
505        camera.applySettings(cameraSettings);
506    }
507
508    @Override
509    public void onCameraDisabled(int cameraId) {
510        UsageStatistics.instance().cameraFailure(eventprotos.CameraFailure.FailureReason.SECURITY,
511                null);
512        Log.w(TAG, "Camera disabled: " + cameraId);
513        CameraUtil.showErrorAndFinish(this, R.string.camera_disabled);
514    }
515
516    @Override
517    public void onDeviceOpenFailure(int cameraId, String info) {
518        UsageStatistics.instance().cameraFailure(
519                eventprotos.CameraFailure.FailureReason.OPEN_FAILURE, info);
520        Log.w(TAG, "Camera open failure: " + info);
521        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
522    }
523
524    @Override
525    public void onDeviceOpenedAlready(int cameraId, String info) {
526        Log.w(TAG, "Camera open already: " + cameraId + "," + info);
527        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
528    }
529
530    @Override
531    public void onReconnectionFailure(CameraAgent mgr, String info) {
532        UsageStatistics.instance().cameraFailure(
533                eventprotos.CameraFailure.FailureReason.RECONNECT_FAILURE, null);
534        Log.w(TAG, "Camera reconnection failure:" + info);
535        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
536    }
537
538    private static class MainHandler extends Handler {
539        final WeakReference<CameraActivity> mActivity;
540
541        public MainHandler(CameraActivity activity, Looper looper) {
542            super(looper);
543            mActivity = new WeakReference<CameraActivity>(activity);
544        }
545
546        @Override
547        public void handleMessage(Message msg) {
548            CameraActivity activity = mActivity.get();
549            if (activity == null) {
550                return;
551            }
552            switch (msg.what) {
553
554                case MSG_CLEAR_SCREEN_ON_FLAG: {
555                    if (!activity.mPaused) {
556                        activity.getWindow().clearFlags(
557                                WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
558                    }
559                    break;
560                }
561            }
562        }
563    }
564
565    private String fileNameFromDataID(int dataID) {
566        final LocalData localData = mDataAdapter.getLocalData(dataID);
567        if (localData == null) {
568            return "";
569        }
570
571        File localFile = new File(localData.getPath());
572        return localFile.getName();
573    }
574
575    private float fileAgeFromDataID(int dataID) {
576        final LocalData localData = mDataAdapter.getLocalData(dataID);
577
578        File localFile = new File(localData.getPath());
579        return 0.001f * (System.currentTimeMillis() - localFile.lastModified());
580    }
581
582    private final FilmstripContentPanel.Listener mFilmstripListener =
583            new FilmstripContentPanel.Listener() {
584
585                @Override
586                public void onSwipeOut() {
587                }
588
589                @Override
590                public void onSwipeOutBegin() {
591                    mActionBar.hide();
592                    mFilmstripCoversPreview = false;
593                    updatePreviewVisibility();
594                }
595
596                @Override
597                public void onFilmstripHidden() {
598                    mFilmstripVisible = false;
599                    UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
600                            NavigationChange.InteractionCause.SWIPE_RIGHT);
601                    CameraActivity.this.setFilmstripUiVisibility(false);
602                    // When the user hide the filmstrip (either swipe out or
603                    // tap on back key) we move to the first item so next time
604                    // when the user swipe in the filmstrip, the most recent
605                    // one is shown.
606                    mFilmstripController.goToFirstItem();
607                }
608
609                @Override
610                public void onFilmstripShown() {
611                    mFilmstripVisible = true;
612                    UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
613                            NavigationChange.InteractionCause.SWIPE_LEFT);
614                    updateUiByData(mFilmstripController.getCurrentId());
615                }
616
617                @Override
618                public void onFocusedDataLongPressed(int dataId) {
619                    // Do nothing.
620                }
621
622                @Override
623                public void onFocusedDataPromoted(int dataID) {
624                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(dataID),
625                            MediaInteraction.InteractionType.DELETE,
626                            NavigationChange.InteractionCause.SWIPE_UP, fileAgeFromDataID(dataID));
627                    removeData(dataID);
628                }
629
630                @Override
631                public void onFocusedDataDemoted(int dataID) {
632                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(dataID),
633                            MediaInteraction.InteractionType.DELETE,
634                            NavigationChange.InteractionCause.SWIPE_DOWN,
635                            fileAgeFromDataID(dataID));
636                    removeData(dataID);
637                }
638
639                @Override
640                public void onEnterFullScreenUiShown(int dataId) {
641                    if (mFilmstripVisible) {
642                        CameraActivity.this.setFilmstripUiVisibility(true);
643                    }
644                }
645
646                @Override
647                public void onLeaveFullScreenUiShown(int dataId) {
648                    // Do nothing.
649                }
650
651                @Override
652                public void onEnterFullScreenUiHidden(int dataId) {
653                    if (mFilmstripVisible) {
654                        CameraActivity.this.setFilmstripUiVisibility(false);
655                    }
656                }
657
658                @Override
659                public void onLeaveFullScreenUiHidden(int dataId) {
660                    // Do nothing.
661                }
662
663                @Override
664                public void onEnterFilmstrip(int dataId) {
665                    if (mFilmstripVisible) {
666                        CameraActivity.this.setFilmstripUiVisibility(true);
667                    }
668                }
669
670                @Override
671                public void onLeaveFilmstrip(int dataId) {
672                    // Do nothing.
673                }
674
675                @Override
676                public void onDataReloaded() {
677                    if (!mFilmstripVisible) {
678                        return;
679                    }
680                    updateUiByData(mFilmstripController.getCurrentId());
681                }
682
683                @Override
684                public void onDataUpdated(int dataId) {
685                    if (!mFilmstripVisible) {
686                        return;
687                    }
688                    updateUiByData(mFilmstripController.getCurrentId());
689                }
690
691                @Override
692                public void onEnterZoomView(int dataID) {
693                    if (mFilmstripVisible) {
694                        CameraActivity.this.setFilmstripUiVisibility(false);
695                    }
696                }
697
698                @Override
699                public void onZoomAtIndexChanged(int dataId, float zoom) {
700                    final LocalData localData = mDataAdapter.getLocalData(dataId);
701                    long ageMillis = System.currentTimeMillis() - localData.getDateModified() * 1000;
702
703                    // Do not log if items is to old or does not have a path (which is
704                    // being used as a key).
705                    if (TextUtils.isEmpty(localData.getPath()) ||
706                            ageMillis > UsageStatistics.VIEW_TIMEOUT_MILLIS) {
707                        return;
708                    }
709                    File localFile = new File(localData.getPath());
710                    UsageStatistics.instance().mediaView(localFile.getName(),
711                            TimeUnit.SECONDS.toMillis(localData.getDateModified()), zoom);
712               }
713
714                @Override
715                public void onDataFocusChanged(final int prevDataId, final int newDataId) {
716                    if (!mFilmstripVisible) {
717                        return;
718                    }
719                    // TODO: This callback is UI event callback, should always
720                    // happen on UI thread. Find the reason for this
721                    // runOnUiThread() and fix it.
722                    runOnUiThread(new Runnable() {
723                        @Override
724                        public void run() {
725                            updateUiByData(newDataId);
726                        }
727                    });
728                }
729
730                @Override
731                public void onScroll(int firstVisiblePosition, int visibleItemCount, int totalItemCount) {
732                    mPreloader.onScroll(null /*absListView*/, firstVisiblePosition, visibleItemCount, totalItemCount);
733                }
734            };
735
736    private final LocalDataAdapter.LocalDataListener mLocalDataListener =
737            new LocalDataAdapter.LocalDataListener() {
738                @Override
739                public void onMetadataUpdated(List<Integer> updatedData) {
740                    if (mPaused) {
741                        // Callback after the activity is paused.
742                        return;
743                    }
744                    int currentDataId = mFilmstripController.getCurrentId();
745                    for (Integer dataId : updatedData) {
746                        if (dataId == currentDataId) {
747                            updateBottomControlsByData(mDataAdapter.getLocalData(dataId));
748                            // Currently we have only 1 data can be matched.
749                            // No need to look for more, break.
750                            break;
751                        }
752                    }
753                }
754            };
755
756    public void gotoGallery() {
757        UsageStatistics.instance().changeScreen(NavigationChange.Mode.FILMSTRIP,
758                NavigationChange.InteractionCause.BUTTON);
759
760        mFilmstripController.goToNextItem();
761    }
762
763    /**
764     * If 'visible' is false, this hides the action bar. Also maintains
765     * lights-out at all times.
766     *
767     * @param visible is false, this hides the action bar and filmstrip bottom
768     *            controls.
769     */
770    private void setFilmstripUiVisibility(boolean visible) {
771        mLightsOutRunnable.run();
772        mCameraAppUI.getFilmstripBottomControls().setVisible(visible);
773        if (visible != mActionBar.isShowing()) {
774            if (visible) {
775                mActionBar.show();
776            } else {
777                mActionBar.hide();
778            }
779        }
780        mFilmstripCoversPreview = visible;
781        updatePreviewVisibility();
782    }
783
784    private void hideSessionProgress() {
785        mCameraAppUI.getFilmstripBottomControls().hideProgress();
786    }
787
788    private void showSessionProgress(CharSequence message) {
789        CameraAppUI.BottomPanel controls = mCameraAppUI.getFilmstripBottomControls();
790        controls.setProgressText(message);
791        controls.hideControls();
792        controls.hideProgressError();
793        controls.showProgress();
794    }
795
796    private void showProcessError(CharSequence message) {
797        mCameraAppUI.getFilmstripBottomControls().showProgressError(message);
798    }
799
800    private void updateSessionProgress(int progress) {
801        mCameraAppUI.getFilmstripBottomControls().setProgress(progress);
802    }
803
804    private void updateSessionProgressText(CharSequence message) {
805        mCameraAppUI.getFilmstripBottomControls().setProgressText(message);
806    }
807
808    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
809    private void setupNfcBeamPush() {
810        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mAppContext);
811        if (adapter == null) {
812            return;
813        }
814
815        if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) {
816            // Disable beaming
817            adapter.setNdefPushMessage(null, CameraActivity.this);
818            return;
819        }
820
821        adapter.setBeamPushUris(null, CameraActivity.this);
822        adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
823            @Override
824            public Uri[] createBeamUris(NfcEvent event) {
825                return mNfcPushUris;
826            }
827        }, CameraActivity.this);
828    }
829
830    @Override
831    public void onMenuVisibilityChanged(boolean isVisible) {
832        // TODO: Remove this or bring back the original implementation: cancel
833        // auto-hide actionbar.
834    }
835
836    @Override
837    public boolean onShareTargetSelected(ShareActionProvider shareActionProvider, Intent intent) {
838        int currentDataId = mFilmstripController.getCurrentId();
839        if (currentDataId < 0) {
840            return false;
841        }
842        UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
843                MediaInteraction.InteractionType.SHARE,
844                NavigationChange.InteractionCause.BUTTON, fileAgeFromDataID(currentDataId));
845        // TODO add intent.getComponent().getPackageName()
846        return true;
847    }
848
849    // Note: All callbacks come back on the main thread.
850    private final SessionListener mSessionListener =
851            new SessionListener() {
852                @Override
853                public void onSessionQueued(final Uri uri) {
854                    Log.v(TAG, "onSessionQueued: " + uri);
855                    if (!Storage.isSessionUri(uri)) {
856                        return;
857                    }
858                    LocalSessionData newData = new LocalSessionData(uri);
859                    mDataAdapter.addData(newData);
860                }
861
862                @Override
863                public void onSessionDone(final Uri sessionUri) {
864                    Log.v(TAG, "onSessionDone:" + sessionUri);
865                    Uri contentUri = Storage.getContentUriForSessionUri(sessionUri);
866                    if (contentUri == null) {
867                        mDataAdapter.refresh(sessionUri);
868                        return;
869                    }
870                    LocalData newData = LocalMediaData.PhotoData.fromContentUri(
871                            getContentResolver(), contentUri);
872
873                    // This can be null if e.g. a session is canceled (e.g.
874                    // through discard panorama). It might be worth adding
875                    // onSessionCanceled or the like this interface.
876                    if (newData == null) {
877                        Log.i(TAG, "onSessionDone: Could not find LocalData for URI: " + contentUri);
878                        return;
879                    }
880
881                    final int pos = mDataAdapter.findDataByContentUri(sessionUri);
882                    if (pos == -1) {
883                        // We do not have a placeholder for this image, perhaps
884                        // due to the activity crashing or being killed.
885                        mDataAdapter.addData(newData);
886                    } else {
887                        mDataAdapter.updateData(pos, newData);
888                    }
889                }
890
891                @Override
892                public void onSessionProgress(final Uri uri, final int progress) {
893                    if (progress < 0) {
894                        // Do nothing, there is no task for this URI.
895                        return;
896                    }
897                    int currentDataId = mFilmstripController.getCurrentId();
898                    if (currentDataId == -1) {
899                        return;
900                    }
901                    if (uri.equals(
902                            mDataAdapter.getLocalData(currentDataId).getUri())) {
903                        updateSessionProgress(progress);
904                    }
905                }
906
907                @Override
908                public void onSessionProgressText(final Uri uri, final CharSequence message) {
909                    int currentDataId = mFilmstripController.getCurrentId();
910                    if (currentDataId == -1) {
911                        return;
912                    }
913                    if (uri.equals(
914                            mDataAdapter.getLocalData(currentDataId).getUri())) {
915                        updateSessionProgressText(message);
916                    }
917                }
918
919                @Override
920                public void onSessionUpdated(Uri uri) {
921                    Log.v(TAG, "onSessionUpdated: " + uri);
922                    mDataAdapter.refresh(uri);
923                }
924
925                @Override
926                public void onSessionPreviewAvailable(Uri uri) {
927                    Log.v(TAG, "onSessionPreviewAvailable: " + uri);
928                    mDataAdapter.refresh(uri);
929                    int dataId = mDataAdapter.findDataByContentUri(uri);
930                    if (dataId != -1) {
931                        startPeekAnimation(mDataAdapter.getLocalData(dataId),
932                                mCurrentModule.getPeekAccessibilityString());
933                    }
934                }
935
936                @Override
937                public void onSessionFailed(Uri uri, CharSequence reason) {
938                    Log.v(TAG, "onSessionFailed:" + uri);
939
940                    int failedDataId = mDataAdapter.findDataByContentUri(uri);
941                    int currentDataId = mFilmstripController.getCurrentId();
942
943                    if (currentDataId == failedDataId) {
944                        updateSessionProgress(0);
945                        showProcessError(reason);
946                    }
947                    // HERE
948                    mDataAdapter.refresh(uri);
949                }
950            };
951
952    @Override
953    public Context getAndroidContext() {
954        return mAppContext;
955    }
956
957    @Override
958    public void launchActivityByIntent(Intent intent) {
959        startActivityForResult(intent, REQ_CODE_DONT_SWITCH_TO_PREVIEW);
960    }
961
962    @Override
963    public int getCurrentModuleIndex() {
964        return mCurrentModeIndex;
965    }
966
967    @Override
968    public int getCurrentCameraId() {
969        return mCameraController.getCurrentCameraId();
970    }
971
972    @Override
973    public String getModuleScope() {
974        return MODULE_SCOPE_PREFIX + mCurrentModule.getModuleStringIdentifier();
975    }
976
977    @Override
978    public String getCameraScope() {
979        int currentCameraId = getCurrentCameraId();
980        if (currentCameraId < 0) {
981            // if an unopen camera i.e. negative ID is returned, which we've observed in
982            // some automated scenarios, just return it as a valid separate scope
983            // this could cause user issues, so log a stack trace noting the call path
984            // which resulted in this scenario.
985            Log.w(TAG, "getting camera scope with no open camera, using id: " + currentCameraId,
986                    new Exception());
987        }
988        return CAMERA_SCOPE_PREFIX + Integer.toString(currentCameraId);
989    }
990
991    @Override
992    public ModuleController getCurrentModuleController() {
993        return mCurrentModule;
994    }
995
996    @Override
997    public int getQuickSwitchToModuleId(int currentModuleIndex) {
998        return mModuleManager.getQuickSwitchToModuleId(currentModuleIndex, mSettingsManager,
999                mAppContext);
1000    }
1001
1002    @Override
1003    public SurfaceTexture getPreviewBuffer() {
1004        // TODO: implement this
1005        return null;
1006    }
1007
1008    @Override
1009    public void onPreviewReadyToStart() {
1010        mCameraAppUI.onPreviewReadyToStart();
1011    }
1012
1013    @Override
1014    public void onPreviewStarted() {
1015        mCameraAppUI.onPreviewStarted();
1016    }
1017
1018    @Override
1019    public void addPreviewAreaSizeChangedListener(
1020            PreviewStatusListener.PreviewAreaChangedListener listener) {
1021        mCameraAppUI.addPreviewAreaChangedListener(listener);
1022    }
1023
1024    @Override
1025    public void removePreviewAreaSizeChangedListener(
1026            PreviewStatusListener.PreviewAreaChangedListener listener) {
1027        mCameraAppUI.removePreviewAreaChangedListener(listener);
1028    }
1029
1030    @Override
1031    public void setupOneShotPreviewListener() {
1032        mCameraController.setOneShotPreviewCallback(mMainHandler,
1033                new CameraAgent.CameraPreviewDataCallback() {
1034                    @Override
1035                    public void onPreviewFrame(byte[] data, CameraAgent.CameraProxy camera) {
1036                        mCurrentModule.onPreviewInitialDataReceived();
1037                        mCameraAppUI.onNewPreviewFrame();
1038                    }
1039                }
1040        );
1041    }
1042
1043    @Override
1044    public void updatePreviewAspectRatio(float aspectRatio) {
1045        mCameraAppUI.updatePreviewAspectRatio(aspectRatio);
1046    }
1047
1048    @Override
1049    public void updatePreviewTransformFullscreen(Matrix matrix, float aspectRatio) {
1050        mCameraAppUI.updatePreviewTransformFullscreen(matrix, aspectRatio);
1051    }
1052
1053    @Override
1054    public RectF getFullscreenRect() {
1055        return mCameraAppUI.getFullscreenRect();
1056    }
1057
1058    @Override
1059    public void updatePreviewTransform(Matrix matrix) {
1060        mCameraAppUI.updatePreviewTransform(matrix);
1061    }
1062
1063    @Override
1064    public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) {
1065        mCameraAppUI.setPreviewStatusListener(previewStatusListener);
1066    }
1067
1068    @Override
1069    public FrameLayout getModuleLayoutRoot() {
1070        return mCameraAppUI.getModuleRootView();
1071    }
1072
1073    @Override
1074    public void setShutterEventsListener(ShutterEventsListener listener) {
1075        // TODO: implement this
1076    }
1077
1078    @Override
1079    public void setShutterEnabled(boolean enabled) {
1080        mCameraAppUI.setShutterButtonEnabled(enabled);
1081    }
1082
1083    @Override
1084    public boolean isShutterEnabled() {
1085        return mCameraAppUI.isShutterButtonEnabled();
1086    }
1087
1088    @Override
1089    public void startPreCaptureAnimation() {
1090        mCameraAppUI.startPreCaptureAnimation();
1091    }
1092
1093    @Override
1094    public void cancelPreCaptureAnimation() {
1095        // TODO: implement this
1096    }
1097
1098    @Override
1099    public void startPostCaptureAnimation() {
1100        // TODO: implement this
1101    }
1102
1103    @Override
1104    public void startPostCaptureAnimation(Bitmap thumbnail) {
1105        // TODO: implement this
1106    }
1107
1108    @Override
1109    public void cancelPostCaptureAnimation() {
1110        // TODO: implement this
1111    }
1112
1113    @Override
1114    public OrientationManager getOrientationManager() {
1115        return mOrientationManager;
1116    }
1117
1118    @Override
1119    public LocationManager getLocationManager() {
1120        return mLocationManager;
1121    }
1122
1123    @Override
1124    public void lockOrientation() {
1125        if (mOrientationManager != null) {
1126            mOrientationManager.lockOrientation();
1127        }
1128    }
1129
1130    @Override
1131    public void unlockOrientation() {
1132        if (mOrientationManager != null) {
1133            mOrientationManager.unlockOrientation();
1134        }
1135    }
1136
1137    /**
1138     * Starts the filmstrip peek animation if the filmstrip is not visible.
1139     * Only {@link LocalData#LOCAL_IMAGE}, {@link
1140     * LocalData#LOCAL_IN_PROGRESS_DATA} and {@link
1141     * LocalData#LOCAL_VIDEO} are supported.
1142     *
1143     * @param data The data to peek.
1144     * @param accessibilityString Accessibility string to announce on peek animation.
1145     */
1146    private void startPeekAnimation(final LocalData data, final String accessibilityString) {
1147        if (mFilmstripVisible || mPeekAnimationHandler == null) {
1148            return;
1149        }
1150
1151        int dataType = data.getLocalDataType();
1152        if (dataType != LocalData.LOCAL_IMAGE && dataType != LocalData.LOCAL_IN_PROGRESS_DATA &&
1153                dataType != LocalData.LOCAL_VIDEO) {
1154            return;
1155        }
1156
1157        mPeekAnimationHandler.startDecodingJob(data, new Callback<Bitmap>() {
1158            @Override
1159            public void onCallback(Bitmap result) {
1160                mCameraAppUI.startPeekAnimation(result, true, accessibilityString);
1161            }
1162        });
1163    }
1164
1165    @Override
1166    public void notifyNewMedia(Uri uri) {
1167        updateStorageSpaceAndHint(null);
1168        ContentResolver cr = getContentResolver();
1169        String mimeType = cr.getType(uri);
1170        LocalData newData = null;
1171        if (LocalDataUtil.isMimeTypeVideo(mimeType)) {
1172            sendBroadcast(new Intent(CameraUtil.ACTION_NEW_VIDEO, uri));
1173            newData = LocalMediaData.VideoData.fromContentUri(getContentResolver(), uri);
1174            if (newData == null) {
1175                Log.e(TAG, "Can't find video data in content resolver:" + uri);
1176                return;
1177            }
1178        } else if (LocalDataUtil.isMimeTypeImage(mimeType)) {
1179            CameraUtil.broadcastNewPicture(mAppContext, uri);
1180            newData = LocalMediaData.PhotoData.fromContentUri(getContentResolver(), uri);
1181            if (newData == null) {
1182                Log.e(TAG, "Can't find photo data in content resolver:" + uri);
1183                return;
1184            }
1185        } else {
1186            Log.w(TAG, "Unknown new media with MIME type:" + mimeType + ", uri:" + uri);
1187            return;
1188        }
1189        // We are preloading the metadata for new video since we need the
1190        // rotation info for the thumbnail.
1191        new AsyncTask<LocalData, Void, LocalData>() {
1192            @Override
1193            protected LocalData doInBackground(LocalData... params) {
1194                LocalData data = params[0];
1195                MetadataLoader.loadMetadata(getAndroidContext(), data);
1196                return data;
1197            }
1198
1199            @Override
1200            protected void onPostExecute(LocalData data) {
1201                if (mDataAdapter.addData(data)) {
1202                    startPeekAnimation(data, mCurrentModule.getPeekAccessibilityString());
1203                }
1204            }
1205        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, newData);
1206    }
1207
1208    @Override
1209    public void enableKeepScreenOn(boolean enabled) {
1210        if (mPaused) {
1211            return;
1212        }
1213
1214        mKeepScreenOn = enabled;
1215        if (mKeepScreenOn) {
1216            mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
1217            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
1218        } else {
1219            keepScreenOnForAWhile();
1220        }
1221    }
1222
1223    @Override
1224    public CameraProvider getCameraProvider() {
1225        return mCameraController;
1226    }
1227
1228    private void removeData(int dataID) {
1229        mDataAdapter.removeData(dataID);
1230        if (mDataAdapter.getTotalNumber() > 1) {
1231            showUndoDeletionBar();
1232        } else {
1233            // If camera preview is the only view left in filmstrip,
1234            // no need to show undo bar.
1235            mPendingDeletion = true;
1236            performDeletion();
1237            if (mFilmstripVisible) {
1238                mCameraAppUI.getFilmstripContentPanel().animateHide();
1239            }
1240        }
1241    }
1242
1243    @Override
1244    public boolean onOptionsItemSelected(MenuItem item) {
1245        // Handle presses on the action bar items
1246        switch (item.getItemId()) {
1247            case android.R.id.home:
1248                if (mFilmstripVisible && startGallery()) {
1249                    return true;
1250                }
1251                onBackPressed();
1252                return true;
1253            case R.id.action_details:
1254                showDetailsDialog(mFilmstripController.getCurrentId());
1255                return true;
1256            case R.id.action_help_and_feedback:
1257                mResetToPreviewOnResume = false;
1258                GoogleHelpHelper.launchGoogleHelp(this);
1259                return true;
1260            default:
1261                return super.onOptionsItemSelected(item);
1262        }
1263    }
1264
1265    private boolean isCaptureIntent() {
1266        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())
1267                || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())
1268                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1269            return true;
1270        } else {
1271            return false;
1272        }
1273    }
1274
1275    private final CameraAgent.CameraExceptionCallback mCameraDefaultExceptionCallback
1276        = new CameraAgent.CameraExceptionCallback() {
1277                @Override
1278                public void onCameraException(RuntimeException e) {
1279                    Log.e(TAG, "Camera Exception", e);
1280                    CameraUtil.showErrorAndFinish(CameraActivity.this,
1281                            R.string.cannot_connect_camera);
1282                }
1283            };
1284
1285    @Override
1286    public void onCreate(Bundle state) {
1287        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_START);
1288        super.onCreate(state);
1289        if (!Glide.isSetup()) {
1290            Glide.setup(new GlideBuilder(this)
1291                .setResizeService(new FifoPriorityThreadPoolExecutor(1)));
1292            Glide.get(this).setMemoryCategory(MemoryCategory.HIGH);
1293        }
1294
1295        mOnCreateTime = System.currentTimeMillis();
1296        mAppContext = getApplicationContext();
1297
1298        // TODO: Try to move all the resources allocation to happen as soon as
1299        // possible so we can call module.init() at the earliest time.
1300        mModuleManager = new ModuleManagerImpl();
1301        GcamHelper.init(getContentResolver());
1302        ModulesInfo.setupModules(mAppContext, mModuleManager);
1303
1304        mSettingsManager = getServices().getSettingsManager();
1305        Upgrade.executeUpgradeOnVersionChanged(mSettingsManager,
1306            Keys.KEY_UPGRADE_VERSION, UpgradeAosp.AOSP_UPGRADE_VERSION,
1307            UpgradeAosp.getAospUpgradeSteps(this));
1308        Keys.setDefaults(mSettingsManager, mAppContext);
1309
1310        getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
1311        setContentView(R.layout.activity_main);
1312        mActionBar = getActionBar();
1313        mActionBar.addOnMenuVisibilityListener(this);
1314        mMainHandler = new MainHandler(this, getMainLooper());
1315        mCameraController =
1316                new CameraController(mAppContext, this, mMainHandler,
1317                        CameraAgentFactory.getAndroidCameraAgent(this));
1318        mCameraController.setCameraDefaultExceptionCallback(mCameraDefaultExceptionCallback,
1319                mMainHandler);
1320
1321        mModeListView = (ModeListView) findViewById(R.id.mode_list_layout);
1322        mModeListView.init(mModuleManager.getSupportedModeIndexList());
1323        if (ApiHelper.HAS_ROTATION_ANIMATION) {
1324            setRotationAnimation();
1325        }
1326        mModeListView.setVisibilityChangedListener(new ModeListVisibilityChangedListener() {
1327            @Override
1328            public void onVisibilityChanged(boolean visible) {
1329                mModeListVisible = visible;
1330                mCameraAppUI.setShutterButtonImportantToA11y(!visible);
1331                updatePreviewVisibility();
1332            }
1333        });
1334
1335        // Check if this is in the secure camera mode.
1336        Intent intent = getIntent();
1337        String action = intent.getAction();
1338        if (INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)
1339                || ACTION_IMAGE_CAPTURE_SECURE.equals(action)) {
1340            mSecureCamera = true;
1341        } else {
1342            mSecureCamera = intent.getBooleanExtra(SECURE_CAMERA_EXTRA, false);
1343        }
1344
1345        if (mSecureCamera) {
1346            // Change the window flags so that secure camera can show when
1347            // locked
1348            Window win = getWindow();
1349            WindowManager.LayoutParams params = win.getAttributes();
1350            params.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
1351            win.setAttributes(params);
1352
1353            // Filter for screen off so that we can finish secure camera
1354            // activity
1355            // when screen is off.
1356            IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
1357            registerReceiver(mScreenOffReceiver, filter);
1358        }
1359        mCameraAppUI = new CameraAppUI(this,
1360                (MainActivityLayout) findViewById(R.id.activity_root_view), isCaptureIntent());
1361
1362        mCameraAppUI.setFilmstripBottomControlsListener(mMyFilmstripBottomControlListener);
1363
1364        mAboveFilmstripControlLayout =
1365                (FrameLayout) findViewById(R.id.camera_filmstrip_content_layout);
1366
1367        // Add the session listener so we can track the session progress
1368        // updates.
1369        getServices().getCaptureSessionManager().addSessionListener(mSessionListener);
1370        mFilmstripController = ((FilmstripView) findViewById(R.id.filmstrip_view)).getController();
1371        mFilmstripController.setImageGap(
1372                getResources().getDimensionPixelSize(R.dimen.camera_film_strip_gap));
1373        mPanoramaViewHelper = new PanoramaViewHelper(this);
1374        mPanoramaViewHelper.onCreate();
1375        // Set up the camera preview first so the preview shows up ASAP.
1376        mDataAdapter = new CameraDataAdapter(mAppContext, R.color.photo_placeholder);
1377        mDataAdapter.setLocalDataListener(mLocalDataListener);
1378
1379        mPreloader = new Preloader<Integer, AsyncTask>(FILMSTRIP_PRELOAD_AHEAD_ITEMS, mDataAdapter,
1380                mDataAdapter);
1381
1382        mCameraAppUI.getFilmstripContentPanel().setFilmstripListener(mFilmstripListener);
1383        if (mSettingsManager.getBoolean(SettingsManager.SCOPE_GLOBAL,
1384                                        Keys.KEY_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
1385            mCameraAppUI.setupClingForViewer(CameraAppUI.BottomPanel.VIEWER_REFOCUS);
1386        }
1387
1388        mLocationManager = new LocationManager(mAppContext);
1389
1390        mOrientationManager = new OrientationManagerImpl(this);
1391        mOrientationManager.addOnOrientationChangeListener(mMainHandler, this);
1392
1393        setModuleFromModeIndex(getModeIndex());
1394        mCameraAppUI.prepareModuleUI();
1395        mCurrentModule.init(this, isSecureCamera(), isCaptureIntent());
1396
1397        if (!mSecureCamera) {
1398            mFilmstripController.setDataAdapter(mDataAdapter);
1399            if (!isCaptureIntent()) {
1400                mDataAdapter.requestLoad(new Callback<Void>() {
1401                    @Override
1402                    public void onCallback(Void result) {
1403                        fillTemporarySessions();
1404                    }
1405                });
1406            }
1407        } else {
1408            // Put a lock placeholder as the last image by setting its date to
1409            // 0.
1410            ImageView v = (ImageView) getLayoutInflater().inflate(
1411                    R.layout.secure_album_placeholder, null);
1412            v.setTag(R.id.mediadata_tag_viewtype, LocalDataViewType.SECURE_ALBUM_PLACEHOLDER.ordinal());
1413            v.setOnClickListener(new View.OnClickListener() {
1414                @Override
1415                public void onClick(View view) {
1416                    UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
1417                            NavigationChange.InteractionCause.BUTTON);
1418                    startGallery();
1419                    finish();
1420                }
1421            });
1422            v.setContentDescription(getString(R.string.accessibility_unlock_to_camera));
1423            mDataAdapter = new FixedLastDataAdapter(
1424                    mAppContext,
1425                    mDataAdapter,
1426                    new SimpleViewData(
1427                            v,
1428                            LocalDataViewType.SECURE_ALBUM_PLACEHOLDER,
1429                            v.getDrawable().getIntrinsicWidth(),
1430                            v.getDrawable().getIntrinsicHeight(),
1431                            0, 0));
1432            // Flush out all the original data.
1433            mDataAdapter.flush();
1434            mFilmstripController.setDataAdapter(mDataAdapter);
1435        }
1436
1437        setupNfcBeamPush();
1438
1439        mLocalImagesObserver = new LocalMediaObserver();
1440        mLocalVideosObserver = new LocalMediaObserver();
1441
1442        getContentResolver().registerContentObserver(
1443                MediaStore.Images.Media.EXTERNAL_CONTENT_URI, true,
1444                mLocalImagesObserver);
1445        getContentResolver().registerContentObserver(
1446                MediaStore.Video.Media.EXTERNAL_CONTENT_URI, true,
1447                mLocalVideosObserver);
1448        if (FeedbackHelper.feedbackAvailable()) {
1449            mFeedbackHelper = new FeedbackHelper(mAppContext);
1450        }
1451        mMemoryManager = getServices().getMemoryManager();
1452
1453        AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
1454            @Override
1455            public void run() {
1456                HashMap memoryData = mMemoryManager.queryMemory();
1457                UsageStatistics.instance().reportMemoryConsumed(memoryData,
1458                        MemoryQuery.REPORT_LABEL_LAUNCH);
1459            }
1460        });
1461        mMotionManager = getServices().getMotionManager();
1462    }
1463
1464    /**
1465     * Get the current mode index from the Intent or from persistent
1466     * settings.
1467     */
1468    public int getModeIndex() {
1469        int modeIndex = -1;
1470        int photoIndex = getResources().getInteger(R.integer.camera_mode_photo);
1471        int videoIndex = getResources().getInteger(R.integer.camera_mode_video);
1472        int gcamIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1473        if (MediaStore.INTENT_ACTION_VIDEO_CAMERA.equals(getIntent().getAction())
1474                || MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())) {
1475            modeIndex = videoIndex;
1476        } else if (MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())) {
1477            // Capture intent.
1478            modeIndex = photoIndex;
1479        } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA.equals(getIntent().getAction())
1480                ||MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(getIntent()
1481                        .getAction())
1482                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1483            modeIndex = mSettingsManager.getInteger(SettingsManager.SCOPE_GLOBAL,
1484                Keys.KEY_CAMERA_MODULE_LAST_USED);
1485
1486            // For upgraders who have not seen the aspect ratio selection screen,
1487            // we need to drop them back in the photo module and have them select
1488            // aspect ratio.
1489            // TODO: Move this to SettingsManager as an upgrade procedure.
1490            if (!mSettingsManager.getBoolean(SettingsManager.SCOPE_GLOBAL,
1491                    Keys.KEY_USER_SELECTED_ASPECT_RATIO)) {
1492                modeIndex = photoIndex;
1493            }
1494        } else {
1495            // If the activity has not been started using an explicit intent,
1496            // read the module index from the last time the user changed modes
1497            modeIndex = mSettingsManager.getInteger(SettingsManager.SCOPE_GLOBAL,
1498                                                    Keys.KEY_STARTUP_MODULE_INDEX);
1499            if ((modeIndex == gcamIndex &&
1500                    !GcamHelper.hasGcamCapture()) || modeIndex < 0) {
1501                modeIndex = photoIndex;
1502            }
1503        }
1504        return modeIndex;
1505    }
1506
1507    /**
1508     * Call this whenever the mode drawer or filmstrip change the visibility
1509     * state.
1510     */
1511    private void updatePreviewVisibility() {
1512        if (mCurrentModule == null) {
1513            return;
1514        }
1515
1516        int visibility = getPreviewVisibility();
1517        mCameraAppUI.onPreviewVisiblityChanged(visibility);
1518        updatePreviewRendering(visibility);
1519        mCurrentModule.onPreviewVisibilityChanged(visibility);
1520    }
1521
1522    private void updatePreviewRendering(int visibility) {
1523        if (visibility == ModuleController.VISIBILITY_HIDDEN) {
1524            mCameraAppUI.pausePreviewRendering();
1525        } else {
1526            mCameraAppUI.resumePreviewRendering();
1527        }
1528    }
1529
1530    private int getPreviewVisibility() {
1531        if (mFilmstripCoversPreview) {
1532            return ModuleController.VISIBILITY_HIDDEN;
1533        } else if (mModeListVisible){
1534            return ModuleController.VISIBILITY_COVERED;
1535        } else {
1536            return ModuleController.VISIBILITY_VISIBLE;
1537        }
1538    }
1539
1540    private void setRotationAnimation() {
1541        int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
1542        rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
1543        Window win = getWindow();
1544        WindowManager.LayoutParams winParams = win.getAttributes();
1545        winParams.rotationAnimation = rotationAnimation;
1546        win.setAttributes(winParams);
1547    }
1548
1549    @Override
1550    public void onUserInteraction() {
1551        super.onUserInteraction();
1552        if (!isFinishing()) {
1553            keepScreenOnForAWhile();
1554        }
1555    }
1556
1557    @Override
1558    public boolean dispatchTouchEvent(MotionEvent ev) {
1559        boolean result = super.dispatchTouchEvent(ev);
1560        if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
1561            // Real deletion is postponed until the next user interaction after
1562            // the gesture that triggers deletion. Until real deletion is
1563            // performed, users can click the undo button to bring back the
1564            // image that they chose to delete.
1565            if (mPendingDeletion && !mIsUndoingDeletion) {
1566                performDeletion();
1567            }
1568        }
1569        return result;
1570    }
1571
1572    @Override
1573    public void onPause() {
1574        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_PAUSE);
1575
1576        /*
1577         * Save the last module index after all secure camera and icon launches,
1578         * not just on mode switches.
1579         *
1580         * Right now we exclude capture intents from this logic, because we also
1581         * ignore the cross-Activity recovery logic in onStart for capture intents.
1582         */
1583        if (!isCaptureIntent()) {
1584            mSettingsManager.set(SettingsManager.SCOPE_GLOBAL,
1585                                 Keys.KEY_STARTUP_MODULE_INDEX,
1586                mCurrentModeIndex);
1587        }
1588
1589        mPaused = true;
1590        mPeekAnimationHandler = null;
1591        mPeekAnimationThread.quitSafely();
1592        mPeekAnimationThread = null;
1593
1594        // Delete photos that are pending deletion
1595        performDeletion();
1596        mCurrentModule.pause();
1597        mOrientationManager.pause();
1598        // Close the camera and wait for the operation done.
1599        mCameraController.closeCamera(true);
1600        mPanoramaViewHelper.onPause();
1601
1602        mLocalImagesObserver.setForegroundChangeListener(null);
1603        mLocalImagesObserver.setActivityPaused(true);
1604        mLocalVideosObserver.setActivityPaused(true);
1605        mPreloader.cancelAllLoads();
1606        resetScreenOn();
1607
1608        mMotionManager.stop();
1609
1610        UsageStatistics.instance().backgrounded();
1611
1612        super.onPause();
1613    }
1614
1615    @Override
1616    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
1617        if (requestCode == REQ_CODE_DONT_SWITCH_TO_PREVIEW) {
1618            mResetToPreviewOnResume = false;
1619        } else {
1620            super.onActivityResult(requestCode, resultCode, data);
1621        }
1622    }
1623
1624    @Override
1625    public void onResume() {
1626        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_RESUME);
1627        Log.v(TAG, "Build info: " + Build.DISPLAY);
1628
1629        mPaused = false;
1630        updateStorageSpaceAndHint(null);
1631
1632        mLastLayoutOrientation = getResources().getConfiguration().orientation;
1633
1634        // TODO: Handle this in OrientationManager.
1635        // Auto-rotate off
1636        if (Settings.System.getInt(getContentResolver(),
1637                Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {
1638            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
1639            mAutoRotateScreen = false;
1640        } else {
1641            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
1642            mAutoRotateScreen = true;
1643        }
1644
1645        // Foreground event logging.
1646        int source;
1647        String action = getIntent().getAction();
1648        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(action)) {
1649            source = ForegroundSource.ACTION_VIDEO_CAPTURE;
1650        } else if (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)) {
1651            source = ForegroundSource.ACTION_IMAGE_CAPTURE;
1652        } else if (MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(action) ||
1653                INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)) {
1654            // Foreground event caused by lock screen startup.
1655            // May get double logged due to lock screen onResume->onPause->onResume sequence.
1656            source = ForegroundSource.ACTION_IMAGE_CAPTURE_SECURE;
1657        } else if (Intent.ACTION_MAIN.equals(action)) {
1658            source = ForegroundSource.ACTION_MAIN;
1659        } else {
1660            source = ForegroundSource.UNKNOWN_SOURCE;
1661        }
1662        UsageStatistics.instance().foregrounded(source, currentUserInterfaceMode());
1663
1664        mGalleryIntent = IntentHelper.getPhotosGalleryIntent(mAppContext);
1665        Drawable galleryLogo = IntentHelper.getGalleryIcon(mAppContext, mGalleryIntent);
1666        if (galleryLogo == null) {
1667            try {
1668                galleryLogo = getPackageManager().getActivityLogo(getComponentName());
1669            } catch (PackageManager.NameNotFoundException e) {
1670                Log.e(TAG, "Can't get the activity logo");
1671            }
1672        }
1673        if (mGalleryIntent != null) {
1674            mActionBar.setDisplayUseLogoEnabled(true);
1675        }
1676        mActionBar.setLogo(galleryLogo);
1677        mOrientationManager.resume();
1678        super.onResume();
1679        mPeekAnimationThread = new HandlerThread("Peek animation");
1680        mPeekAnimationThread.start();
1681        mPeekAnimationHandler = new PeekAnimationHandler(mPeekAnimationThread.getLooper());
1682
1683        mCurrentModule.hardResetSettings(mSettingsManager);
1684        mCurrentModule.resume();
1685        UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
1686                NavigationChange.InteractionCause.BUTTON);
1687        setSwipingEnabled(true);
1688
1689        if (!mResetToPreviewOnResume) {
1690            LocalData data = mDataAdapter.getLocalData(mFilmstripController.getCurrentId());
1691            if (data != null) {
1692                mDataAdapter.refresh(data.getUri());
1693            }
1694        }
1695        // The share button might be disabled to avoid double tapping.
1696        mCameraAppUI.getFilmstripBottomControls().setShareEnabled(true);
1697        // Default is showing the preview, unless disabled by explicitly
1698        // starting an activity we want to return from to the filmstrip rather
1699        // than the preview.
1700        mResetToPreviewOnResume = true;
1701
1702        if (mLocalVideosObserver.isMediaDataChangedDuringPause()
1703                || mLocalImagesObserver.isMediaDataChangedDuringPause()) {
1704            if (!mSecureCamera) {
1705                // If it's secure camera, requestLoad() should not be called
1706                // as it will load all the data.
1707                if (!mFilmstripVisible) {
1708                    mDataAdapter.requestLoad(new Callback<Void>() {
1709                        @Override
1710                        public void onCallback(Void result) {
1711                            fillTemporarySessions();
1712                        }
1713                    });
1714                } else {
1715                    mDataAdapter.requestLoadNewPhotos();
1716                }
1717            }
1718        }
1719        mLocalImagesObserver.setActivityPaused(false);
1720        mLocalVideosObserver.setActivityPaused(false);
1721        if (!mSecureCamera) {
1722            mLocalImagesObserver.setForegroundChangeListener(
1723                    new LocalMediaObserver.ChangeListener() {
1724                @Override
1725                public void onChange() {
1726                    mDataAdapter.requestLoadNewPhotos();
1727                }
1728            });
1729        }
1730
1731        keepScreenOnForAWhile();
1732
1733        // Lights-out mode at all times.
1734        final View rootView = findViewById(R.id.activity_root_view);
1735        mLightsOutRunnable.run();
1736        getWindow().getDecorView().setOnSystemUiVisibilityChangeListener(
1737                new OnSystemUiVisibilityChangeListener() {
1738                    @Override
1739                    public void onSystemUiVisibilityChange(int visibility) {
1740                        mMainHandler.removeCallbacks(mLightsOutRunnable);
1741                        mMainHandler.postDelayed(mLightsOutRunnable, LIGHTS_OUT_DELAY_MS);
1742                    }
1743                });
1744
1745        mPanoramaViewHelper.onResume();
1746        ReleaseDialogHelper.showReleaseInfoDialogOnStart(this, mSettingsManager);
1747        syncLocationManagerSetting();
1748
1749        final int previewVisibility = getPreviewVisibility();
1750        updatePreviewRendering(previewVisibility);
1751
1752        mMotionManager.start();
1753    }
1754
1755    private void fillTemporarySessions() {
1756        if (mSecureCamera) {
1757            return;
1758        }
1759        // There might be sessions still in flight (processed by our service).
1760        // Make sure they're added to the filmstrip.
1761        getServices().getCaptureSessionManager().fillTemporarySession(mSessionListener);
1762    }
1763
1764    @Override
1765    public void onStart() {
1766        super.onStart();
1767        mIsActivityRunning = true;
1768        mPanoramaViewHelper.onStart();
1769
1770        /*
1771         * If we're starting after launching a different Activity (lockscreen),
1772         * we need to use the last mode used in the other Activity, and
1773         * not the old one from this Activity.
1774         *
1775         * This needs to happen before CameraAppUI.resume() in order to set the
1776         * mode cover icon to the actual last mode used.
1777         *
1778         * Right now we exclude capture intents from this logic.
1779         */
1780        int modeIndex = getModeIndex();
1781        if (!isCaptureIntent() && mCurrentModeIndex != modeIndex) {
1782            onModeSelected(modeIndex);
1783        }
1784
1785        if (mResetToPreviewOnResume) {
1786            mCameraAppUI.resume();
1787            mResetToPreviewOnResume = false;
1788        }
1789    }
1790
1791    @Override
1792    protected void onStop() {
1793        mIsActivityRunning = false;
1794        mPanoramaViewHelper.onStop();
1795        if (mFeedbackHelper != null) {
1796            mFeedbackHelper.stopFeedback();
1797        }
1798
1799        mLocationManager.disconnect();
1800        super.onStop();
1801    }
1802
1803    @Override
1804    public void onDestroy() {
1805        if (mSecureCamera) {
1806            unregisterReceiver(mScreenOffReceiver);
1807        }
1808        mActionBar.removeOnMenuVisibilityListener(this);
1809        mSettingsManager.removeAllListeners();
1810        mCameraController.removeCallbackReceiver();
1811        getContentResolver().unregisterContentObserver(mLocalImagesObserver);
1812        getContentResolver().unregisterContentObserver(mLocalVideosObserver);
1813        getServices().getCaptureSessionManager().removeSessionListener(mSessionListener);
1814        mCameraAppUI.onDestroy();
1815        mModeListView.setVisibilityChangedListener(null);
1816        mCameraController = null;
1817        mSettingsManager = null;
1818        mCameraAppUI = null;
1819        mOrientationManager = null;
1820        mButtonManager = null;
1821        CameraAgentFactory.recycle();
1822        super.onDestroy();
1823    }
1824
1825    @Override
1826    public void onConfigurationChanged(Configuration config) {
1827        super.onConfigurationChanged(config);
1828        Log.v(TAG, "onConfigurationChanged");
1829        if (config.orientation == Configuration.ORIENTATION_UNDEFINED) {
1830            return;
1831        }
1832
1833        if (mLastLayoutOrientation != config.orientation) {
1834            mLastLayoutOrientation = config.orientation;
1835            mCurrentModule.onLayoutOrientationChanged(
1836                    mLastLayoutOrientation == Configuration.ORIENTATION_LANDSCAPE);
1837        }
1838    }
1839
1840    @Override
1841    public boolean onKeyDown(int keyCode, KeyEvent event) {
1842        if (!mFilmstripVisible) {
1843            if (mCurrentModule.onKeyDown(keyCode, event)) {
1844                return true;
1845            }
1846            // Prevent software keyboard or voice search from showing up.
1847            if (keyCode == KeyEvent.KEYCODE_SEARCH
1848                    || keyCode == KeyEvent.KEYCODE_MENU) {
1849                if (event.isLongPress()) {
1850                    return true;
1851                }
1852            }
1853        }
1854
1855        return super.onKeyDown(keyCode, event);
1856    }
1857
1858    @Override
1859    public boolean onKeyUp(int keyCode, KeyEvent event) {
1860        if (!mFilmstripVisible) {
1861            // If a module is in the middle of capture, it should
1862            // consume the key event.
1863            if (mCurrentModule.onKeyUp(keyCode, event)) {
1864                return true;
1865            } else if (keyCode == KeyEvent.KEYCODE_MENU
1866                    || keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1867                // Let the mode list view consume the event.
1868                mCameraAppUI.openModeList();
1869                return true;
1870            } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1871                mCameraAppUI.showFilmstrip();
1872                return true;
1873            }
1874        } else {
1875            if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1876                mFilmstripController.goToNextItem();
1877                return true;
1878            } else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1879                boolean wentToPrevious = mFilmstripController.goToPreviousItem();
1880                if (!wentToPrevious) {
1881                  // at beginning of filmstrip, hide and go back to preview
1882                  mCameraAppUI.hideFilmstrip();
1883                }
1884                return true;
1885            }
1886        }
1887        return super.onKeyUp(keyCode, event);
1888    }
1889
1890    @Override
1891    public void onBackPressed() {
1892        if (!mCameraAppUI.onBackPressed()) {
1893            if (!mCurrentModule.onBackPressed()) {
1894                super.onBackPressed();
1895            }
1896        }
1897    }
1898
1899    @Override
1900    public boolean isAutoRotateScreen() {
1901        // TODO: Move to OrientationManager.
1902        return mAutoRotateScreen;
1903    }
1904
1905    @Override
1906    public boolean onCreateOptionsMenu(Menu menu) {
1907        MenuInflater inflater = getMenuInflater();
1908        inflater.inflate(R.menu.filmstrip_menu, menu);
1909        mActionBarMenu = menu;
1910        return super.onCreateOptionsMenu(menu);
1911    }
1912
1913    protected long getStorageSpaceBytes() {
1914        synchronized (mStorageSpaceLock) {
1915            return mStorageSpaceBytes;
1916        }
1917    }
1918
1919    protected interface OnStorageUpdateDoneListener {
1920        public void onStorageUpdateDone(long bytes);
1921    }
1922
1923    protected void updateStorageSpaceAndHint(final OnStorageUpdateDoneListener callback) {
1924        /*
1925         * We execute disk operations on a background thread in order to
1926         * free up the UI thread.  Synchronizing on the lock below ensures
1927         * that when getStorageSpaceBytes is called, the main thread waits
1928         * until this method has completed.
1929         *
1930         * However, .execute() does not ensure this execution block will be
1931         * run right away (.execute() schedules this AsyncTask for sometime
1932         * in the future. executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR)
1933         * tries to execute the task in parellel with other AsyncTasks, but
1934         * there's still no guarantee).
1935         * e.g. don't call this then immediately call getStorageSpaceBytes().
1936         * Instead, pass in an OnStorageUpdateDoneListener.
1937         */
1938        (new AsyncTask<Void, Void, Long>() {
1939            @Override
1940            protected Long doInBackground(Void ... arg) {
1941                synchronized (mStorageSpaceLock) {
1942                    mStorageSpaceBytes = Storage.getAvailableSpace();
1943                    return mStorageSpaceBytes;
1944                }
1945            }
1946
1947            @Override
1948            protected void onPostExecute(Long bytes) {
1949                updateStorageHint(bytes);
1950                if (callback != null) {
1951                    callback.onStorageUpdateDone(bytes);
1952                }
1953            }
1954        }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
1955    }
1956
1957    protected void updateStorageHint(long storageSpace) {
1958        if (!mIsActivityRunning) {
1959            return;
1960        }
1961
1962        String message = null;
1963        if (storageSpace == Storage.UNAVAILABLE) {
1964            message = getString(R.string.no_storage);
1965        } else if (storageSpace == Storage.PREPARING) {
1966            message = getString(R.string.preparing_sd);
1967        } else if (storageSpace == Storage.UNKNOWN_SIZE) {
1968            message = getString(R.string.access_sd_fail);
1969        } else if (storageSpace <= Storage.LOW_STORAGE_THRESHOLD_BYTES) {
1970            message = getString(R.string.spaceIsLow_content);
1971        }
1972
1973        if (message != null) {
1974            Log.w(TAG, "Storage warning: " + message);
1975            if (mStorageHint == null) {
1976                mStorageHint = OnScreenHint.makeText(CameraActivity.this, message);
1977            } else {
1978                mStorageHint.setText(message);
1979            }
1980            mStorageHint.show();
1981            UsageStatistics.instance().storageWarning(storageSpace);
1982        } else if (mStorageHint != null) {
1983            mStorageHint.cancel();
1984            mStorageHint = null;
1985        }
1986    }
1987
1988    protected void setResultEx(int resultCode) {
1989        mResultCodeForTesting = resultCode;
1990        setResult(resultCode);
1991    }
1992
1993    protected void setResultEx(int resultCode, Intent data) {
1994        mResultCodeForTesting = resultCode;
1995        mResultDataForTesting = data;
1996        setResult(resultCode, data);
1997    }
1998
1999    public int getResultCode() {
2000        return mResultCodeForTesting;
2001    }
2002
2003    public Intent getResultData() {
2004        return mResultDataForTesting;
2005    }
2006
2007    public boolean isSecureCamera() {
2008        return mSecureCamera;
2009    }
2010
2011    @Override
2012    public boolean isPaused() {
2013        return mPaused;
2014    }
2015
2016    @Override
2017    public int getPreferredChildModeIndex(int modeIndex) {
2018        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
2019            boolean hdrPlusOn = Keys.isHdrPlusOn(mSettingsManager);
2020            if (hdrPlusOn && GcamHelper.hasGcamCapture()) {
2021                modeIndex = getResources().getInteger(R.integer.camera_mode_gcam);
2022            }
2023        }
2024        return modeIndex;
2025    }
2026
2027    @Override
2028    public void onModeSelected(int modeIndex) {
2029        if (mCurrentModeIndex == modeIndex) {
2030            return;
2031        }
2032
2033        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.MODE_SWITCH_START);
2034        // Record last used camera mode for quick switching
2035        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)
2036                || modeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
2037            mSettingsManager.set(SettingsManager.SCOPE_GLOBAL,
2038                                 Keys.KEY_CAMERA_MODULE_LAST_USED,
2039                                 modeIndex);
2040        }
2041
2042        closeModule(mCurrentModule);
2043
2044        // Select the correct module index from the mode switcher index.
2045        modeIndex = getPreferredChildModeIndex(modeIndex);
2046        setModuleFromModeIndex(modeIndex);
2047
2048        mCameraAppUI.resetBottomControls(mCurrentModule, modeIndex);
2049        mCameraAppUI.addShutterListener(mCurrentModule);
2050        mCameraAppUI.hideLetterboxing();
2051        openModule(mCurrentModule);
2052        mCurrentModule.onOrientationChanged(mLastRawOrientation);
2053        // Store the module index so we can use it the next time the Camera
2054        // starts up.
2055        mSettingsManager.set(SettingsManager.SCOPE_GLOBAL,
2056                             Keys.KEY_STARTUP_MODULE_INDEX, modeIndex);
2057    }
2058
2059    /**
2060     * Shows the settings dialog.
2061     */
2062    @Override
2063    public void onSettingsSelected() {
2064        UsageStatistics.instance().controlUsed(
2065                eventprotos.ControlEvent.ControlType.OVERALL_SETTINGS);
2066        Intent intent = new Intent(this, CameraSettingsActivity.class);
2067        startActivity(intent);
2068    }
2069
2070    @Override
2071    public void freezeScreenUntilPreviewReady() {
2072        mCameraAppUI.freezeScreenUntilPreviewReady();
2073    }
2074
2075    /**
2076     * Sets the mCurrentModuleIndex, creates a new module instance for the given
2077     * index an sets it as mCurrentModule.
2078     */
2079    private void setModuleFromModeIndex(int modeIndex) {
2080        ModuleManagerImpl.ModuleAgent agent = mModuleManager.getModuleAgent(modeIndex);
2081        if (agent == null) {
2082            return;
2083        }
2084        if (!agent.requestAppForCamera()) {
2085            mCameraController.closeCamera(true);
2086        }
2087        mCurrentModeIndex = agent.getModuleId();
2088        mCurrentModule = (CameraModule) agent.createModule(this);
2089    }
2090
2091    @Override
2092    public SettingsManager getSettingsManager() {
2093        return mSettingsManager;
2094    }
2095
2096    @Override
2097    public CameraServices getServices() {
2098        return (CameraServices) getApplication();
2099    }
2100
2101    public List<String> getSupportedModeNames() {
2102        List<Integer> indices = mModuleManager.getSupportedModeIndexList();
2103        List<String> supported = new ArrayList<String>();
2104
2105        for (Integer modeIndex : indices) {
2106            String name = CameraUtil.getCameraModeText(modeIndex, mAppContext);
2107            if (name != null && !name.equals("")) {
2108                supported.add(name);
2109            }
2110        }
2111        return supported;
2112    }
2113
2114    @Override
2115    public ButtonManager getButtonManager() {
2116        if (mButtonManager == null) {
2117            mButtonManager = new ButtonManager(this);
2118        }
2119        return mButtonManager;
2120    }
2121
2122    /**
2123     * Creates an AlertDialog appropriate for choosing whether to enable
2124     * location on the first run of the app.
2125     */
2126    public AlertDialog getFirstTimeLocationAlert() {
2127        AlertDialog.Builder builder = new AlertDialog.Builder(this);
2128        builder = SettingsUtil.getFirstTimeLocationAlertBuilder(builder, new Callback<Boolean>() {
2129            @Override
2130            public void onCallback(Boolean locationOn) {
2131                Keys.setLocation(mSettingsManager, locationOn, mLocationManager);
2132            }
2133        });
2134        if (builder != null) {
2135            return builder.create();
2136        } else {
2137            return null;
2138        }
2139    }
2140
2141    /**
2142     * Launches an ACTION_EDIT intent for the given local data item. If
2143     * 'withTinyPlanet' is set, this will show a disambig dialog first to let
2144     * the user start either the tiny planet editor or another photo edior.
2145     *
2146     * @param data The data item to edit.
2147     */
2148    public void launchEditor(LocalData data) {
2149        Intent intent = new Intent(Intent.ACTION_EDIT)
2150                .setDataAndType(data.getUri(), data.getMimeType())
2151                .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2152        try {
2153            launchActivityByIntent(intent);
2154        } catch (ActivityNotFoundException e) {
2155            final String msgEditWith = getResources().getString(R.string.edit_with);
2156            launchActivityByIntent(Intent.createChooser(intent, msgEditWith));
2157        }
2158    }
2159
2160    @Override
2161    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
2162        super.onCreateContextMenu(menu, v, menuInfo);
2163
2164        MenuInflater inflater = getMenuInflater();
2165        inflater.inflate(R.menu.filmstrip_context_menu, menu);
2166    }
2167
2168    @Override
2169    public boolean onContextItemSelected(MenuItem item) {
2170        switch (item.getItemId()) {
2171            case R.id.tiny_planet_editor:
2172                mMyFilmstripBottomControlListener.onTinyPlanet();
2173                return true;
2174            case R.id.photo_editor:
2175                mMyFilmstripBottomControlListener.onEdit();
2176                return true;
2177        }
2178        return false;
2179    }
2180
2181    /**
2182     * Launch the tiny planet editor.
2183     *
2184     * @param data The data must be a 360 degree stereographically mapped
2185     *            panoramic image. It will not be modified, instead a new item
2186     *            with the result will be added to the filmstrip.
2187     */
2188    public void launchTinyPlanetEditor(LocalData data) {
2189        TinyPlanetFragment fragment = new TinyPlanetFragment();
2190        Bundle bundle = new Bundle();
2191        bundle.putString(TinyPlanetFragment.ARGUMENT_URI, data.getUri().toString());
2192        bundle.putString(TinyPlanetFragment.ARGUMENT_TITLE, data.getTitle());
2193        fragment.setArguments(bundle);
2194        fragment.show(getFragmentManager(), "tiny_planet");
2195    }
2196
2197    /**
2198     * Returns what UI mode (capture mode or filmstrip) we are in.
2199     * Returned number one of {@link com.google.common.logging.eventprotos.NavigationChange.Mode}
2200     */
2201    private int currentUserInterfaceMode() {
2202        int mode = NavigationChange.Mode.UNKNOWN_MODE;
2203        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
2204            mode = NavigationChange.Mode.PHOTO_CAPTURE;
2205        }
2206        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_video)) {
2207            mode = NavigationChange.Mode.VIDEO_CAPTURE;
2208        }
2209        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_refocus)) {
2210            mode = NavigationChange.Mode.LENS_BLUR;
2211        }
2212        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
2213            mode = NavigationChange.Mode.HDR_PLUS;
2214        }
2215        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photosphere)) {
2216            mode = NavigationChange.Mode.PHOTO_SPHERE;
2217        }
2218        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_panorama)) {
2219            mode = NavigationChange.Mode.PANORAMA;
2220        }
2221        if (mFilmstripVisible) {
2222            mode = NavigationChange.Mode.FILMSTRIP;
2223        }
2224        return mode;
2225    }
2226
2227    private void openModule(CameraModule module) {
2228        module.init(this, isSecureCamera(), isCaptureIntent());
2229        module.hardResetSettings(mSettingsManager);
2230        module.resume();
2231        UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
2232                NavigationChange.InteractionCause.BUTTON);
2233        updatePreviewVisibility();
2234    }
2235
2236    private void closeModule(CameraModule module) {
2237        module.pause();
2238        mCameraAppUI.clearModuleUI();
2239    }
2240
2241    private void performDeletion() {
2242        if (!mPendingDeletion) {
2243            return;
2244        }
2245        hideUndoDeletionBar(false);
2246        mDataAdapter.executeDeletion();
2247    }
2248
2249    public void showUndoDeletionBar() {
2250        if (mPendingDeletion) {
2251            performDeletion();
2252        }
2253        Log.v(TAG, "showing undo bar");
2254        mPendingDeletion = true;
2255        if (mUndoDeletionBar == null) {
2256            ViewGroup v = (ViewGroup) getLayoutInflater().inflate(R.layout.undo_bar,
2257                    mAboveFilmstripControlLayout, true);
2258            mUndoDeletionBar = (ViewGroup) v.findViewById(R.id.camera_undo_deletion_bar);
2259            View button = mUndoDeletionBar.findViewById(R.id.camera_undo_deletion_button);
2260            button.setOnClickListener(new View.OnClickListener() {
2261                @Override
2262                public void onClick(View view) {
2263                    mDataAdapter.undoDataRemoval();
2264                    hideUndoDeletionBar(true);
2265                }
2266            });
2267            // Setting undo bar clickable to avoid touch events going through
2268            // the bar to the buttons (eg. edit button, etc) underneath the bar.
2269            mUndoDeletionBar.setClickable(true);
2270            // When there is user interaction going on with the undo button, we
2271            // do not want to hide the undo bar.
2272            button.setOnTouchListener(new View.OnTouchListener() {
2273                @Override
2274                public boolean onTouch(View v, MotionEvent event) {
2275                    if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
2276                        mIsUndoingDeletion = true;
2277                    } else if (event.getActionMasked() == MotionEvent.ACTION_UP) {
2278                        mIsUndoingDeletion = false;
2279                    }
2280                    return false;
2281                }
2282            });
2283        }
2284        mUndoDeletionBar.setAlpha(0f);
2285        mUndoDeletionBar.setVisibility(View.VISIBLE);
2286        mUndoDeletionBar.animate().setDuration(200).alpha(1f).setListener(null).start();
2287    }
2288
2289    private void hideUndoDeletionBar(boolean withAnimation) {
2290        Log.v(TAG, "Hiding undo deletion bar");
2291        mPendingDeletion = false;
2292        if (mUndoDeletionBar != null) {
2293            if (withAnimation) {
2294                mUndoDeletionBar.animate().setDuration(200).alpha(0f)
2295                        .setListener(new Animator.AnimatorListener() {
2296                            @Override
2297                            public void onAnimationStart(Animator animation) {
2298                                // Do nothing.
2299                            }
2300
2301                            @Override
2302                            public void onAnimationEnd(Animator animation) {
2303                                mUndoDeletionBar.setVisibility(View.GONE);
2304                            }
2305
2306                            @Override
2307                            public void onAnimationCancel(Animator animation) {
2308                                // Do nothing.
2309                            }
2310
2311                            @Override
2312                            public void onAnimationRepeat(Animator animation) {
2313                                // Do nothing.
2314                            }
2315                        }).start();
2316            } else {
2317                mUndoDeletionBar.setVisibility(View.GONE);
2318            }
2319        }
2320    }
2321
2322    @Override
2323    public void onOrientationChanged(int orientation) {
2324        // We keep the last known orientation. So if the user first orient
2325        // the camera then point the camera to floor or sky, we still have
2326        // the correct orientation.
2327        if (orientation == OrientationManager.ORIENTATION_UNKNOWN) {
2328            return;
2329        }
2330        mLastRawOrientation = orientation;
2331        if (mCurrentModule != null) {
2332            mCurrentModule.onOrientationChanged(orientation);
2333        }
2334    }
2335
2336    /**
2337     * Enable/disable swipe-to-filmstrip. Will always disable swipe if in
2338     * capture intent.
2339     *
2340     * @param enable {@code true} to enable swipe.
2341     */
2342    public void setSwipingEnabled(boolean enable) {
2343        // TODO: Bring back the functionality.
2344        if (isCaptureIntent()) {
2345            // lockPreview(true);
2346        } else {
2347            // lockPreview(!enable);
2348        }
2349    }
2350
2351    // Accessor methods for getting latency times used in performance testing
2352    public long getFirstPreviewTime() {
2353        if (mCurrentModule instanceof PhotoModule) {
2354            long coverHiddenTime = getCameraAppUI().getCoverHiddenTime();
2355            if (coverHiddenTime != -1) {
2356                return coverHiddenTime - mOnCreateTime;
2357            }
2358        }
2359        return -1;
2360    }
2361
2362    public long getAutoFocusTime() {
2363        return (mCurrentModule instanceof PhotoModule) ?
2364                ((PhotoModule) mCurrentModule).mAutoFocusTime : -1;
2365    }
2366
2367    public long getShutterLag() {
2368        return (mCurrentModule instanceof PhotoModule) ?
2369                ((PhotoModule) mCurrentModule).mShutterLag : -1;
2370    }
2371
2372    public long getShutterToPictureDisplayedTime() {
2373        return (mCurrentModule instanceof PhotoModule) ?
2374                ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1;
2375    }
2376
2377    public long getPictureDisplayedToJpegCallbackTime() {
2378        return (mCurrentModule instanceof PhotoModule) ?
2379                ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1;
2380    }
2381
2382    public long getJpegCallbackFinishTime() {
2383        return (mCurrentModule instanceof PhotoModule) ?
2384                ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1;
2385    }
2386
2387    public long getCaptureStartTime() {
2388        return (mCurrentModule instanceof PhotoModule) ?
2389                ((PhotoModule) mCurrentModule).mCaptureStartTime : -1;
2390    }
2391
2392    public boolean isRecording() {
2393        return (mCurrentModule instanceof VideoModule) ?
2394                ((VideoModule) mCurrentModule).isRecording() : false;
2395    }
2396
2397    public CameraAgent.CameraOpenCallback getCameraOpenErrorCallback() {
2398        return mCameraController;
2399    }
2400
2401    // For debugging purposes only.
2402    public CameraModule getCurrentModule() {
2403        return mCurrentModule;
2404    }
2405
2406    @Override
2407    public void showTutorial(AbstractTutorialOverlay tutorial) {
2408        mCameraAppUI.showTutorial(tutorial, getLayoutInflater());
2409    }
2410
2411    /**
2412     * Reads the current location recording settings and passes it on to the
2413     * location manager.
2414     */
2415    public void syncLocationManagerSetting() {
2416        Keys.syncLocationManager(mSettingsManager, mLocationManager);
2417    }
2418
2419    private void keepScreenOnForAWhile() {
2420        if (mKeepScreenOn) {
2421            return;
2422        }
2423        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2424        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2425        mMainHandler.sendEmptyMessageDelayed(MSG_CLEAR_SCREEN_ON_FLAG, SCREEN_DELAY_MS);
2426    }
2427
2428    private void resetScreenOn() {
2429        mKeepScreenOn = false;
2430        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2431        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2432    }
2433
2434    /**
2435     * @return {@code true} if the Gallery is launched successfully.
2436     */
2437    private boolean startGallery() {
2438        if (mGalleryIntent == null) {
2439            return false;
2440        }
2441        try {
2442            UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
2443                    NavigationChange.InteractionCause.BUTTON);
2444            Intent startGalleryIntent = new Intent(mGalleryIntent);
2445            int currentDataId = mFilmstripController.getCurrentId();
2446            LocalData currentLocalData = mDataAdapter.getLocalData(currentDataId);
2447            if (currentLocalData != null) {
2448                GalleryHelper.setContentUri(startGalleryIntent, currentLocalData.getUri());
2449            }
2450            launchActivityByIntent(startGalleryIntent);
2451        } catch (ActivityNotFoundException e) {
2452            Log.w(TAG, "Failed to launch gallery activity, closing");
2453        }
2454        return false;
2455    }
2456
2457    private void setNfcBeamPushUriFromData(LocalData data) {
2458        final Uri uri = data.getUri();
2459        if (uri != Uri.EMPTY) {
2460            mNfcPushUris[0] = uri;
2461        } else {
2462            mNfcPushUris[0] = null;
2463        }
2464    }
2465
2466    /**
2467     * Updates the visibility of the filmstrip bottom controls and action bar.
2468     */
2469    private void updateUiByData(final int dataId) {
2470        final LocalData currentData = mDataAdapter.getLocalData(dataId);
2471        if (currentData == null) {
2472            Log.w(TAG, "Current data ID not found.");
2473            hideSessionProgress();
2474            return;
2475        }
2476        updateActionBarMenu(currentData);
2477
2478        /* Bottom controls. */
2479        updateBottomControlsByData(currentData);
2480
2481        if (isSecureCamera()) {
2482            // We cannot show buttons in secure camera since go to other
2483            // activities might create a security hole.
2484            mCameraAppUI.getFilmstripBottomControls().hideControls();
2485            return;
2486        }
2487
2488
2489        setNfcBeamPushUriFromData(currentData);
2490
2491        if (!mDataAdapter.isMetadataUpdated(dataId)) {
2492            mDataAdapter.updateMetadata(dataId);
2493        }
2494    }
2495
2496    /**
2497     * Updates the bottom controls based on the data.
2498     */
2499    private void updateBottomControlsByData(final LocalData currentData) {
2500
2501        final CameraAppUI.BottomPanel filmstripBottomPanel =
2502                mCameraAppUI.getFilmstripBottomControls();
2503        filmstripBottomPanel.showControls();
2504        filmstripBottomPanel.setEditButtonVisibility(
2505                currentData.isDataActionSupported(LocalData.DATA_ACTION_EDIT));
2506        filmstripBottomPanel.setShareButtonVisibility(
2507                currentData.isDataActionSupported(LocalData.DATA_ACTION_SHARE));
2508        filmstripBottomPanel.setDeleteButtonVisibility(
2509                currentData.isDataActionSupported(LocalData.DATA_ACTION_DELETE));
2510
2511        /* Progress bar */
2512
2513        Uri contentUri = currentData.getUri();
2514        CaptureSessionManager sessionManager = getServices()
2515                .getCaptureSessionManager();
2516
2517        if (sessionManager.hasErrorMessage(contentUri)) {
2518            showProcessError(sessionManager.getErrorMesage(contentUri));
2519        } else {
2520            filmstripBottomPanel.hideProgressError();
2521            CaptureSession session = sessionManager.getSession(contentUri);
2522
2523            if (session != null) {
2524                int sessionProgress = session.getProgress();
2525
2526                if (sessionProgress < 0) {
2527                    hideSessionProgress();
2528                } else {
2529                    CharSequence progressMessage = session.getProgressMessage();
2530                    showSessionProgress(progressMessage);
2531                    updateSessionProgress(sessionProgress);
2532                }
2533            } else {
2534                hideSessionProgress();
2535            }
2536        }
2537
2538        /* View button */
2539
2540        // We need to add this to a separate DB.
2541        final int viewButtonVisibility;
2542        if (PanoramaMetadataLoader.isPanoramaAndUseViewer(currentData)) {
2543            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_PHOTO_SPHERE;
2544        } else if (RgbzMetadataLoader.hasRGBZData(currentData)) {
2545            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_REFOCUS;
2546        } else {
2547            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_NONE;
2548        }
2549
2550        filmstripBottomPanel.setTinyPlanetEnabled(
2551                PanoramaMetadataLoader.isPanorama360(currentData));
2552        filmstripBottomPanel.setViewerButtonVisibility(viewButtonVisibility);
2553    }
2554
2555    private class PeekAnimationHandler extends Handler {
2556        private class DataAndCallback {
2557            LocalData mData;
2558            com.android.camera.util.Callback<Bitmap> mCallback;
2559
2560            public DataAndCallback(LocalData data, com.android.camera.util.Callback<Bitmap>
2561                    callback) {
2562                mData = data;
2563                mCallback = callback;
2564            }
2565        }
2566
2567        public PeekAnimationHandler(Looper looper) {
2568            super(looper);
2569        }
2570
2571        /**
2572         * Starts the animation decoding job and posts a {@code Runnable} back
2573         * when when the decoding is done.
2574         *
2575         * @param data The data item to decode the thumbnail for.
2576         * @param callback {@link com.android.camera.util.Callback} after the
2577         *                 decoding is done.
2578         */
2579        public void startDecodingJob(final LocalData data,
2580                final com.android.camera.util.Callback<Bitmap> callback) {
2581            PeekAnimationHandler.this.obtainMessage(0 /** dummy integer **/,
2582                    new DataAndCallback(data, callback)).sendToTarget();
2583        }
2584
2585        @Override
2586        public void handleMessage(Message msg) {
2587            final LocalData data = ((DataAndCallback) msg.obj).mData;
2588            final com.android.camera.util.Callback<Bitmap> callback =
2589                    ((DataAndCallback) msg.obj).mCallback;
2590            if (data == null || callback == null) {
2591                return;
2592            }
2593
2594            final Bitmap bitmap;
2595            switch (data.getLocalDataType()) {
2596                case LocalData.LOCAL_IN_PROGRESS_DATA:
2597                    byte[] jpegData = Storage.getJpegForSession(data.getUri());
2598                    if (jpegData != null) {
2599                        bitmap = BitmapFactory.decodeByteArray(jpegData, 0, jpegData.length);
2600                    } else {
2601                        bitmap = null;
2602                    }
2603                    break;
2604
2605                case LocalData.LOCAL_IMAGE:
2606                    FileInputStream stream;
2607                    try {
2608                        stream = new FileInputStream(data.getPath());
2609                    } catch (FileNotFoundException e) {
2610                        Log.e(TAG, "File not found:" + data.getPath());
2611                        return;
2612                    }
2613                    Point dim = CameraUtil.resizeToFill(data.getWidth(), data.getHeight(),
2614                            data.getRotation(), mAboveFilmstripControlLayout.getWidth(),
2615                            mAboveFilmstripControlLayout.getMeasuredHeight());
2616                    if (data.getRotation() % 180 != 0) {
2617                        int dummy = dim.x;
2618                        dim.x = dim.y;
2619                        dim.y = dummy;
2620                    }
2621                    bitmap = LocalDataUtil
2622                            .loadImageThumbnailFromStream(stream, data.getWidth(), data.getHeight(),
2623                                    (int) (dim.x * 0.7f), (int) (dim.y * 0.7),
2624                                    data.getRotation(), MAX_PEEK_BITMAP_PIXELS);
2625                    break;
2626
2627                case LocalData.LOCAL_VIDEO:
2628                    bitmap = LocalDataUtil.loadVideoThumbnail(data.getPath());
2629                    break;
2630
2631                default:
2632                    bitmap = null;
2633                    break;
2634            }
2635
2636            if (bitmap == null) {
2637                return;
2638            }
2639
2640            mMainHandler.post(new Runnable() {
2641                @Override
2642                public void run() {
2643                    callback.onCallback(bitmap);
2644                }
2645            });
2646        }
2647    }
2648
2649    private void showDetailsDialog(int dataId) {
2650        final LocalData data = mDataAdapter.getLocalData(dataId);
2651        if (data == null) {
2652            return;
2653        }
2654        MediaDetails details = data.getMediaDetails(getAndroidContext());
2655        if (details == null) {
2656            return;
2657        }
2658        Dialog detailDialog = DetailsDialog.create(CameraActivity.this, details);
2659        detailDialog.show();
2660        UsageStatistics.instance().mediaInteraction(
2661                fileNameFromDataID(dataId), MediaInteraction.InteractionType.DETAILS,
2662                NavigationChange.InteractionCause.BUTTON, fileAgeFromDataID(dataId));
2663    }
2664
2665    /**
2666     * Show or hide action bar items depending on current data type.
2667     */
2668    private void updateActionBarMenu(LocalData data) {
2669        if (mActionBarMenu == null) {
2670            return;
2671        }
2672
2673        MenuItem detailsMenuItem = mActionBarMenu.findItem(R.id.action_details);
2674        if (detailsMenuItem == null) {
2675            return;
2676        }
2677
2678        int type = data.getLocalDataType();
2679        boolean showDetails = (type == LocalData.LOCAL_IMAGE) || (type == LocalData.LOCAL_VIDEO);
2680        detailsMenuItem.setVisible(showDetails);
2681    }
2682}
2683