CameraActivity.java revision 38989540cb1488cb7b8062ff74b9dedcd76c047f 
1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.camera;
18
19import android.animation.Animator;
20import android.annotation.TargetApi;
21import android.app.ActionBar;
22import android.app.Activity;
23import android.app.AlertDialog;
24import android.app.Dialog;
25import android.content.ActivityNotFoundException;
26import android.content.BroadcastReceiver;
27import android.content.ContentResolver;
28import android.content.Context;
29import android.content.Intent;
30import android.content.IntentFilter;
31import android.content.pm.ActivityInfo;
32import android.content.pm.PackageManager;
33import android.content.res.Configuration;
34import android.graphics.Bitmap;
35import android.graphics.BitmapFactory;
36import android.graphics.Matrix;
37import android.graphics.Point;
38import android.graphics.RectF;
39import android.graphics.SurfaceTexture;
40import android.graphics.drawable.Drawable;
41import android.hardware.Camera;
42import android.net.Uri;
43import android.nfc.NfcAdapter;
44import android.nfc.NfcAdapter.CreateBeamUrisCallback;
45import android.nfc.NfcEvent;
46import android.os.AsyncTask;
47import android.os.Build;
48import android.os.Bundle;
49import android.os.Handler;
50import android.os.HandlerThread;
51import android.os.Looper;
52import android.os.Message;
53import android.provider.MediaStore;
54import android.provider.Settings;
55import android.text.TextUtils;
56import android.util.CameraPerformanceTracker;
57import android.view.ContextMenu;
58import android.view.ContextMenu.ContextMenuInfo;
59import android.view.KeyEvent;
60import android.view.Menu;
61import android.view.MenuInflater;
62import android.view.MenuItem;
63import android.view.MotionEvent;
64import android.view.View;
65import android.view.View.OnSystemUiVisibilityChangeListener;
66import android.view.ViewGroup;
67import android.view.Window;
68import android.view.WindowManager;
69import android.widget.FrameLayout;
70import android.widget.ImageView;
71import android.widget.ShareActionProvider;
72
73import com.android.camera.app.AppController;
74import com.android.camera.app.CameraAppUI;
75import com.android.camera.app.CameraController;
76import com.android.camera.app.CameraProvider;
77import com.android.camera.app.CameraServices;
78import com.android.camera.app.LocationManager;
79import com.android.camera.app.MemoryManager;
80import com.android.camera.app.MemoryQuery;
81import com.android.camera.app.ModuleManagerImpl;
82import com.android.camera.app.MotionManager;
83import com.android.camera.app.OrientationManager;
84import com.android.camera.app.OrientationManagerImpl;
85import com.android.camera.cameradevice.CameraManager;
86import com.android.camera.cameradevice.CameraManagerFactory;
87import com.android.camera.data.CameraDataAdapter;
88import com.android.camera.data.FixedLastDataAdapter;
89import com.android.camera.data.LocalData;
90import com.android.camera.data.LocalDataAdapter;
91import com.android.camera.data.LocalDataUtil;
92import com.android.camera.data.LocalDataViewType;
93import com.android.camera.data.LocalMediaData;
94import com.android.camera.data.LocalMediaObserver;
95import com.android.camera.data.LocalSessionData;
96import com.android.camera.data.MediaDetails;
97import com.android.camera.data.MetadataLoader;
98import com.android.camera.data.PanoramaMetadataLoader;
99import com.android.camera.data.RgbzMetadataLoader;
100import com.android.camera.data.SimpleViewData;
101import com.android.camera.debug.Log;
102import com.android.camera.filmstrip.FilmstripContentPanel;
103import com.android.camera.filmstrip.FilmstripController;
104import com.android.camera.hardware.HardwareSpec;
105import com.android.camera.hardware.HardwareSpecImpl;
106import com.android.camera.module.ModuleController;
107import com.android.camera.module.ModulesInfo;
108import com.android.camera.session.CaptureSession;
109import com.android.camera.session.CaptureSessionManager;
110import com.android.camera.session.CaptureSessionManager.SessionListener;
111import com.android.camera.settings.CameraSettingsActivity;
112import com.android.camera.settings.SettingsManager;
113import com.android.camera.settings.SettingsManager.SettingsCapabilities;
114import com.android.camera.settings.SettingsUtil;
115import com.android.camera.tinyplanet.TinyPlanetFragment;
116import com.android.camera.ui.AbstractTutorialOverlay;
117import com.android.camera.ui.DetailsDialog;
118import com.android.camera.ui.MainActivityLayout;
119import com.android.camera.ui.ModeListView;
120import com.android.camera.ui.ModeListView.ModeListVisibilityChangedListener;
121import com.android.camera.ui.PreviewStatusListener;
122import com.android.camera.util.ApiHelper;
123import com.android.camera.util.Callback;
124import com.android.camera.util.CameraUtil;
125import com.android.camera.util.FeedbackHelper;
126import com.android.camera.util.GalleryHelper;
127import com.android.camera.util.GcamHelper;
128import com.android.camera.util.GoogleHelpHelper;
129import com.android.camera.util.IntentHelper;
130import com.android.camera.util.PhotoSphereHelper.PanoramaViewHelper;
131import com.android.camera.util.ReleaseDialogHelper;
132import com.android.camera.util.UsageStatistics;
133import com.android.camera.widget.FilmstripView;
134import com.android.camera.widget.Preloader;
135import com.android.camera2.R;
136import com.bumptech.glide.Glide;
137import com.bumptech.glide.GlideBuilder;
138import com.bumptech.glide.MemoryCategory;
139import com.bumptech.glide.load.engine.executor.FifoPriorityThreadPoolExecutor;
140import com.google.common.logging.eventprotos;
141import com.google.common.logging.eventprotos.ForegroundEvent.ForegroundSource;
142import com.google.common.logging.eventprotos.MediaInteraction;
143import com.google.common.logging.eventprotos.NavigationChange;
144
145import java.io.File;
146import java.io.FileInputStream;
147import java.io.FileNotFoundException;
148import java.lang.ref.WeakReference;
149import java.util.ArrayList;
150import java.util.HashMap;
151import java.util.List;
152import java.util.concurrent.TimeUnit;
153
154public class CameraActivity extends Activity
155        implements AppController, CameraManager.CameraOpenCallback,
156        ActionBar.OnMenuVisibilityListener, ShareActionProvider.OnShareTargetSelectedListener,
157        OrientationManager.OnOrientationChangeListener {
158
159    private static final Log.Tag TAG = new Log.Tag("CameraActivity");
160
161    private static final String INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE =
162            "android.media.action.STILL_IMAGE_CAMERA_SECURE";
163    public static final String ACTION_IMAGE_CAPTURE_SECURE =
164            "android.media.action.IMAGE_CAPTURE_SECURE";
165
166    // The intent extra for camera from secure lock screen. True if the gallery
167    // should only show newly captured pictures. sSecureAlbumId does not
168    // increment. This is used when switching between camera, camcorder, and
169    // panorama. If the extra is not set, it is in the normal camera mode.
170    public static final String SECURE_CAMERA_EXTRA = "secure_camera";
171
172    /**
173     * Request code from an activity we started that indicated that we do not
174     * want to reset the view to the preview in onResume.
175     */
176    public static final int REQ_CODE_DONT_SWITCH_TO_PREVIEW = 142;
177
178    public static final int REQ_CODE_GCAM_DEBUG_POSTCAPTURE = 999;
179
180    private static final int MSG_CLEAR_SCREEN_ON_FLAG = 2;
181    private static final long SCREEN_DELAY_MS = 2 * 60 * 1000; // 2 mins.
182    private static final int MAX_PEEK_BITMAP_PIXELS = 1600000; // 1.6 * 4 MBs.
183    /** Load metadata for 10 items ahead of our current. */
184    private static final int FILMSTRIP_PRELOAD_AHEAD_ITEMS = 10;
185
186    /** Should be used wherever a context is needed. */
187    private Context mAppContext;
188
189    /**
190     * Whether onResume should reset the view to the preview.
191     */
192    private boolean mResetToPreviewOnResume = true;
193
194    /**
195     * This data adapter is used by FilmStripView.
196     */
197    private LocalDataAdapter mDataAdapter;
198
199    private SettingsManager mSettingsManager;
200    private ModeListView mModeListView;
201    private boolean mModeListVisible = false;
202    private int mCurrentModeIndex;
203    private CameraModule mCurrentModule;
204    private ModuleManagerImpl mModuleManager;
205    private FrameLayout mAboveFilmstripControlLayout;
206    private FilmstripController mFilmstripController;
207    private boolean mFilmstripVisible;
208    /** Whether the filmstrip fully covers the preview. */
209    private boolean mFilmstripCoversPreview = false;
210    private int mResultCodeForTesting;
211    private Intent mResultDataForTesting;
212    private OnScreenHint mStorageHint;
213    private final Object mStorageSpaceLock = new Object();
214    private long mStorageSpaceBytes = Storage.LOW_STORAGE_THRESHOLD_BYTES;
215    private boolean mAutoRotateScreen;
216    private boolean mSecureCamera;
217    private int mLastRawOrientation;
218    private OrientationManagerImpl mOrientationManager;
219    private LocationManager mLocationManager;
220    private ButtonManager mButtonManager;
221    private Handler mMainHandler;
222    private PanoramaViewHelper mPanoramaViewHelper;
223    private ActionBar mActionBar;
224    private ViewGroup mUndoDeletionBar;
225    private boolean mIsUndoingDeletion = false;
226
227    private final Uri[] mNfcPushUris = new Uri[1];
228
229    private LocalMediaObserver mLocalImagesObserver;
230    private LocalMediaObserver mLocalVideosObserver;
231
232    private boolean mPendingDeletion = false;
233    private boolean mSavedShutterEnabledState = true;
234
235    private CameraController mCameraController;
236    private boolean mPaused;
237    private CameraAppUI mCameraAppUI;
238
239    private PeekAnimationHandler mPeekAnimationHandler;
240    private HandlerThread mPeekAnimationThread;
241
242    private FeedbackHelper mFeedbackHelper;
243
244    private Intent mGalleryIntent;
245    private long mOnCreateTime;
246
247    private Menu mActionBarMenu;
248    private Preloader<Integer, AsyncTask> mPreloader;
249
250    private static final int LIGHTS_OUT_DELAY_MS = 4000;
251    private final int BASE_SYS_UI_VISIBILITY = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
252            | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
253    private final Runnable mLightsOutRunnable = new Runnable() {
254        @Override
255        public void run() {
256            getWindow().getDecorView().setSystemUiVisibility(
257                    BASE_SYS_UI_VISIBILITY | View.SYSTEM_UI_FLAG_LOW_PROFILE);
258        }
259    };
260    private MemoryManager mMemoryManager;
261    private MotionManager mMotionManager;
262
263    @Override
264    public CameraAppUI getCameraAppUI() {
265        return mCameraAppUI;
266    }
267
268    // close activity when screen turns off
269    private final BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() {
270        @Override
271        public void onReceive(Context context, Intent intent) {
272            finish();
273        }
274    };
275
276    /**
277     * Whether the screen is kept turned on.
278     */
279    private boolean mKeepScreenOn;
280    private int mLastLayoutOrientation;
281    private final CameraAppUI.BottomPanel.Listener mMyFilmstripBottomControlListener =
282            new CameraAppUI.BottomPanel.Listener() {
283
284                /**
285                 * If the current photo is a photo sphere, this will launch the
286                 * Photo Sphere panorama viewer.
287                 */
288                @Override
289                public void onExternalViewer() {
290                    if (mPanoramaViewHelper == null) {
291                        return;
292                    }
293                    final LocalData data = getCurrentLocalData();
294                    if (data == null) {
295                        return;
296                    }
297                    final Uri contentUri = data.getUri();
298                    if (contentUri == Uri.EMPTY) {
299                        return;
300                    }
301
302                    if (PanoramaMetadataLoader.isPanoramaAndUseViewer(data)) {
303                        mPanoramaViewHelper.showPanorama(CameraActivity.this, contentUri);
304                    } else if (RgbzMetadataLoader.hasRGBZData(data)) {
305                        mPanoramaViewHelper.showRgbz(contentUri);
306                        if (mSettingsManager.getBoolean(
307                                SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
308                            mSettingsManager.setBoolean(
309                                    SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING,
310                                    false);
311                            mCameraAppUI.clearClingForViewer(
312                                    CameraAppUI.BottomPanel.VIEWER_REFOCUS);
313                        }
314                    }
315                }
316
317                @Override
318                public void onEdit() {
319                    LocalData data = getCurrentLocalData();
320                    if (data == null) {
321                        return;
322                    }
323                    final int currentDataId = getCurrentDataId();
324                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
325                            MediaInteraction.InteractionType.EDIT,
326                            NavigationChange.InteractionCause.BUTTON,
327                            fileAgeFromDataID(currentDataId));
328                    launchEditor(data);
329                }
330
331                @Override
332                public void onTinyPlanet() {
333                    LocalData data = getCurrentLocalData();
334                    if (data == null) {
335                        return;
336                    }
337                    launchTinyPlanetEditor(data);
338                }
339
340                @Override
341                public void onDelete() {
342                    final int currentDataId = getCurrentDataId();
343                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
344                            MediaInteraction.InteractionType.DELETE,
345                            NavigationChange.InteractionCause.BUTTON,
346                            fileAgeFromDataID(currentDataId));
347                    removeData(currentDataId);
348                }
349
350                @Override
351                public void onShare() {
352                    final LocalData data = getCurrentLocalData();
353                    final int currentDataId = getCurrentDataId();
354                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
355                            MediaInteraction.InteractionType.SHARE,
356                            NavigationChange.InteractionCause.BUTTON,
357                            fileAgeFromDataID(currentDataId));
358                    // If applicable, show release information before this item
359                    // is shared.
360                    if (ReleaseDialogHelper.shouldShowReleaseInfoDialogOnShare(data)) {
361                        ReleaseDialogHelper.showReleaseInfoDialog(CameraActivity.this,
362                                new Callback<Void>() {
363                                    @Override
364                                    public void onCallback(Void result) {
365                                        share(data);
366                                    }
367                                });
368                    } else {
369                        share(data);
370                    }
371                }
372
373                private void share(LocalData data) {
374                    Intent shareIntent = getShareIntentByData(data);
375                    if (shareIntent != null) {
376                        try {
377                            launchActivityByIntent(shareIntent);
378                            mCameraAppUI.getFilmstripBottomControls().setShareEnabled(false);
379                        } catch (ActivityNotFoundException ex) {
380                            // Nothing.
381                        }
382                    }
383                }
384
385                private int getCurrentDataId() {
386                    return mFilmstripController.getCurrentId();
387                }
388
389                private LocalData getCurrentLocalData() {
390                    return mDataAdapter.getLocalData(getCurrentDataId());
391                }
392
393                /**
394                 * Sets up the share intent and NFC properly according to the
395                 * data.
396                 *
397                 * @param data The data to be shared.
398                 */
399                private Intent getShareIntentByData(final LocalData data) {
400                    Intent intent = null;
401                    final Uri contentUri = data.getUri();
402                    final String msgShareTo = getResources().getString(R.string.share_to);
403
404                    if (PanoramaMetadataLoader.isPanorama360(data) &&
405                            data.getUri() != Uri.EMPTY) {
406                        intent = new Intent(Intent.ACTION_SEND);
407                        intent.setType("application/vnd.google.panorama360+jpg");
408                        intent.putExtra(Intent.EXTRA_STREAM, contentUri);
409                    } else if (data.isDataActionSupported(LocalData.DATA_ACTION_SHARE)) {
410                        final String mimeType = data.getMimeType();
411                        intent = getShareIntentFromType(mimeType);
412                        if (intent != null) {
413                            intent.putExtra(Intent.EXTRA_STREAM, contentUri);
414                            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
415                        }
416                        intent = Intent.createChooser(intent, msgShareTo);
417                    }
418                    return intent;
419                }
420
421                /**
422                 * Get the share intent according to the mimeType
423                 *
424                 * @param mimeType The mimeType of current data.
425                 * @return the video/image's ShareIntent or null if mimeType is
426                 *         invalid.
427                 */
428                private Intent getShareIntentFromType(String mimeType) {
429                    // Lazily create the intent object.
430                    Intent intent = new Intent(Intent.ACTION_SEND);
431                    if (mimeType.startsWith("video/")) {
432                        intent.setType("video/*");
433                    } else {
434                        if (mimeType.startsWith("image/")) {
435                            intent.setType("image/*");
436                        } else {
437                            Log.w(TAG, "unsupported mimeType " + mimeType);
438                        }
439                    }
440                    return intent;
441                }
442
443                @Override
444                public void onProgressErrorClicked() {
445                    LocalData data = getCurrentLocalData();
446                    getServices().getCaptureSessionManager().removeErrorMessage(
447                            data.getUri());
448                    updateBottomControlsByData(data);
449                }
450            };
451
452    @Override
453    public void onCameraOpened(CameraManager.CameraProxy camera) {
454        if (mPaused) {
455            return;
456        }
457        /**
458         * The current UI requires that the flash option visibility in front-facing
459         * camera be
460         *   * disabled if back facing camera supports flash
461         *   * hidden if back facing camera does not support flash
462         * We save whether back facing camera supports flash because we cannot get
463         * this in front facing camera without a camera switch.
464         *
465         * If this preference is cleared, we also need to clear the camera facing
466         * setting so we default to opening the camera in back facing camera, and
467         * can save this flash support value again.
468         */
469        if (!mSettingsManager.isSet(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA)) {
470            HardwareSpec hardware = new HardwareSpecImpl(camera.getParameters());
471            mSettingsManager.setBoolean(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA,
472                hardware.isFlashSupported());
473        }
474
475        if (!mModuleManager.getModuleAgent(mCurrentModeIndex).requestAppForCamera()) {
476            // We shouldn't be here. Just close the camera and leave.
477            mCameraController.closeCamera(false);
478            throw new IllegalStateException("Camera opened but the module shouldn't be " +
479                    "requesting");
480        }
481        if (mCurrentModule != null) {
482            SettingsCapabilities capabilities =
483                    SettingsUtil.getSettingsCapabilities(camera);
484            mSettingsManager.changeCamera(camera.getCameraId(), capabilities);
485            resetExposureCompensationToDefault(camera);
486            mCurrentModule.onCameraAvailable(camera);
487        }
488        mCameraAppUI.onChangeCamera();
489    }
490
491    private void resetExposureCompensationToDefault(CameraManager.CameraProxy camera) {
492        // Reset the exposure compensation before handing the camera to module.
493        Camera.Parameters parameters = camera.getParameters();
494        parameters.setExposureCompensation(0);
495        camera.setParameters(parameters);
496    }
497
498    @Override
499    public void onCameraDisabled(int cameraId) {
500        UsageStatistics.instance().cameraFailure(eventprotos.CameraFailure.FailureReason.SECURITY,
501                null);
502        Log.w(TAG, "Camera disabled: " + cameraId);
503        CameraUtil.showErrorAndFinish(this, R.string.camera_disabled);
504    }
505
506    @Override
507    public void onDeviceOpenFailure(int cameraId, String info) {
508        UsageStatistics.instance().cameraFailure(
509                eventprotos.CameraFailure.FailureReason.OPEN_FAILURE, info);
510        Log.w(TAG, "Camera open failure: " + info);
511        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
512    }
513
514    @Override
515    public void onDeviceOpenedAlready(int cameraId, String info) {
516        Log.w(TAG, "Camera open already: " + cameraId + "," + info);
517        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
518    }
519
520    @Override
521    public void onReconnectionFailure(CameraManager mgr, String info) {
522        UsageStatistics.instance().cameraFailure(
523                eventprotos.CameraFailure.FailureReason.RECONNECT_FAILURE, null);
524        Log.w(TAG, "Camera reconnection failure:" + info);
525        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
526    }
527
528    private static class MainHandler extends Handler {
529        final WeakReference<CameraActivity> mActivity;
530
531        public MainHandler(CameraActivity activity, Looper looper) {
532            super(looper);
533            mActivity = new WeakReference<CameraActivity>(activity);
534        }
535
536        @Override
537        public void handleMessage(Message msg) {
538            CameraActivity activity = mActivity.get();
539            if (activity == null) {
540                return;
541            }
542            switch (msg.what) {
543
544                case MSG_CLEAR_SCREEN_ON_FLAG: {
545                    if (!activity.mPaused) {
546                        activity.getWindow().clearFlags(
547                                WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
548                    }
549                    break;
550                }
551            }
552        }
553    }
554
555    private String fileNameFromDataID(int dataID) {
556        final LocalData localData = mDataAdapter.getLocalData(dataID);
557
558        File localFile = new File(localData.getPath());
559        return localFile.getName();
560    }
561
562    private float fileAgeFromDataID(int dataID) {
563        final LocalData localData = mDataAdapter.getLocalData(dataID);
564
565        File localFile = new File(localData.getPath());
566        return 0.001f * (System.currentTimeMillis() - localFile.lastModified());
567    }
568
569    private final FilmstripContentPanel.Listener mFilmstripListener =
570            new FilmstripContentPanel.Listener() {
571
572                @Override
573                public void onSwipeOut() {
574                }
575
576                @Override
577                public void onSwipeOutBegin() {
578                    mActionBar.hide();
579                    mFilmstripCoversPreview = false;
580                    updatePreviewVisibility();
581                }
582
583                @Override
584                public void onFilmstripHidden() {
585                    mFilmstripVisible = false;
586                    UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
587                            NavigationChange.InteractionCause.SWIPE_RIGHT);
588                    CameraActivity.this.setFilmstripUiVisibility(false);
589                    // When the user hide the filmstrip (either swipe out or
590                    // tap on back key) we move to the first item so next time
591                    // when the user swipe in the filmstrip, the most recent
592                    // one is shown.
593                    mFilmstripController.goToFirstItem();
594                }
595
596                @Override
597                public void onFilmstripShown() {
598                    mFilmstripVisible = true;
599                    UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
600                            NavigationChange.InteractionCause.SWIPE_LEFT);
601                    updateUiByData(mFilmstripController.getCurrentId());
602                }
603
604                @Override
605                public void onFocusedDataLongPressed(int dataId) {
606                    // Do nothing.
607                }
608
609                @Override
610                public void onFocusedDataPromoted(int dataID) {
611                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(dataID),
612                            MediaInteraction.InteractionType.DELETE,
613                            NavigationChange.InteractionCause.SWIPE_UP, fileAgeFromDataID(dataID));
614                    removeData(dataID);
615                }
616
617                @Override
618                public void onFocusedDataDemoted(int dataID) {
619                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(dataID),
620                            MediaInteraction.InteractionType.DELETE,
621                            NavigationChange.InteractionCause.SWIPE_DOWN,
622                            fileAgeFromDataID(dataID));
623                    removeData(dataID);
624                }
625
626                @Override
627                public void onEnterFullScreenUiShown(int dataId) {
628                    if (mFilmstripVisible) {
629                        CameraActivity.this.setFilmstripUiVisibility(true);
630                    }
631                }
632
633                @Override
634                public void onLeaveFullScreenUiShown(int dataId) {
635                    // Do nothing.
636                }
637
638                @Override
639                public void onEnterFullScreenUiHidden(int dataId) {
640                    if (mFilmstripVisible) {
641                        CameraActivity.this.setFilmstripUiVisibility(false);
642                    }
643                }
644
645                @Override
646                public void onLeaveFullScreenUiHidden(int dataId) {
647                    // Do nothing.
648                }
649
650                @Override
651                public void onEnterFilmstrip(int dataId) {
652                    if (mFilmstripVisible) {
653                        CameraActivity.this.setFilmstripUiVisibility(true);
654                    }
655                }
656
657                @Override
658                public void onLeaveFilmstrip(int dataId) {
659                    // Do nothing.
660                }
661
662                @Override
663                public void onDataReloaded() {
664                    if (!mFilmstripVisible) {
665                        return;
666                    }
667                    updateUiByData(mFilmstripController.getCurrentId());
668                }
669
670                @Override
671                public void onDataUpdated(int dataId) {
672                    if (!mFilmstripVisible) {
673                        return;
674                    }
675                    updateUiByData(mFilmstripController.getCurrentId());
676                }
677
678                @Override
679                public void onEnterZoomView(int dataID) {
680                    if (mFilmstripVisible) {
681                        CameraActivity.this.setFilmstripUiVisibility(false);
682                    }
683                }
684
685                @Override
686                public void onZoomAtIndexChanged(int dataId, float zoom) {
687                    final LocalData localData = mDataAdapter.getLocalData(dataId);
688                    long ageMillis = System.currentTimeMillis() - localData.getDateModified() * 1000;
689
690                    // Do not log if items is to old or does not have a path (which is
691                    // being used as a key).
692                    if (TextUtils.isEmpty(localData.getPath()) ||
693                            ageMillis > UsageStatistics.VIEW_TIMEOUT_MILLIS) {
694                        return;
695                    }
696                    File localFile = new File(localData.getPath());
697                    UsageStatistics.instance().mediaView(localFile.getName(),
698                            TimeUnit.SECONDS.toMillis(localData.getDateModified()), zoom);
699               }
700
701                @Override
702                public void onDataFocusChanged(final int prevDataId, final int newDataId) {
703                    if (!mFilmstripVisible) {
704                        return;
705                    }
706                    // TODO: This callback is UI event callback, should always
707                    // happen on UI thread. Find the reason for this
708                    // runOnUiThread() and fix it.
709                    runOnUiThread(new Runnable() {
710                        @Override
711                        public void run() {
712                            updateUiByData(newDataId);
713                        }
714                    });
715                }
716
717                @Override
718                public void onScroll(int firstVisiblePosition, int visibleItemCount, int totalItemCount) {
719                    mPreloader.onScroll(null /*absListView*/, firstVisiblePosition, visibleItemCount, totalItemCount);
720                }
721            };
722
723    private final LocalDataAdapter.LocalDataListener mLocalDataListener =
724            new LocalDataAdapter.LocalDataListener() {
725                @Override
726                public void onMetadataUpdated(List<Integer> updatedData) {
727                    if (mPaused) {
728                        // Callback after the activity is paused.
729                        return;
730                    }
731                    int currentDataId = mFilmstripController.getCurrentId();
732                    for (Integer dataId : updatedData) {
733                        if (dataId == currentDataId) {
734                            updateBottomControlsByData(mDataAdapter.getLocalData(dataId));
735                            // Currently we have only 1 data can be matched.
736                            // No need to look for more, break.
737                            break;
738                        }
739                    }
740                }
741            };
742
743    public void gotoGallery() {
744        UsageStatistics.instance().changeScreen(NavigationChange.Mode.FILMSTRIP,
745                NavigationChange.InteractionCause.BUTTON);
746
747        mFilmstripController.goToNextItem();
748    }
749
750    /**
751     * If 'visible' is false, this hides the action bar. Also maintains
752     * lights-out at all times.
753     *
754     * @param visible is false, this hides the action bar and filmstrip bottom
755     *            controls.
756     */
757    private void setFilmstripUiVisibility(boolean visible) {
758        mLightsOutRunnable.run();
759        mCameraAppUI.getFilmstripBottomControls().setVisible(visible);
760        if (visible != mActionBar.isShowing()) {
761            if (visible) {
762                mActionBar.show();
763            } else {
764                mActionBar.hide();
765            }
766        }
767        mFilmstripCoversPreview = visible;
768        updatePreviewVisibility();
769    }
770
771    private void hideSessionProgress() {
772        mCameraAppUI.getFilmstripBottomControls().hideProgress();
773    }
774
775    private void showSessionProgress(CharSequence message) {
776        CameraAppUI.BottomPanel controls = mCameraAppUI.getFilmstripBottomControls();
777        controls.setProgressText(message);
778        controls.hideControls();
779        controls.hideProgressError();
780        controls.showProgress();
781    }
782
783    private void showProcessError(CharSequence message) {
784        mCameraAppUI.getFilmstripBottomControls().showProgressError(message);
785    }
786
787    private void updateSessionProgress(int progress) {
788        mCameraAppUI.getFilmstripBottomControls().setProgress(progress);
789    }
790
791    private void updateSessionProgressText(CharSequence message) {
792        mCameraAppUI.getFilmstripBottomControls().setProgressText(message);
793    }
794
795    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
796    private void setupNfcBeamPush() {
797        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mAppContext);
798        if (adapter == null) {
799            return;
800        }
801
802        if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) {
803            // Disable beaming
804            adapter.setNdefPushMessage(null, CameraActivity.this);
805            return;
806        }
807
808        adapter.setBeamPushUris(null, CameraActivity.this);
809        adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
810            @Override
811            public Uri[] createBeamUris(NfcEvent event) {
812                return mNfcPushUris;
813            }
814        }, CameraActivity.this);
815    }
816
817    @Override
818    public void onMenuVisibilityChanged(boolean isVisible) {
819        // TODO: Remove this or bring back the original implementation: cancel
820        // auto-hide actionbar.
821    }
822
823    @Override
824    public boolean onShareTargetSelected(ShareActionProvider shareActionProvider, Intent intent) {
825        int currentDataId = mFilmstripController.getCurrentId();
826        if (currentDataId < 0) {
827            return false;
828        }
829        UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
830                MediaInteraction.InteractionType.SHARE,
831                NavigationChange.InteractionCause.BUTTON, fileAgeFromDataID(currentDataId));
832        // TODO add intent.getComponent().getPackageName()
833        return true;
834    }
835
836    // Note: All callbacks come back on the main thread.
837    private final SessionListener mSessionListener =
838            new SessionListener() {
839                @Override
840                public void onSessionQueued(final Uri uri) {
841                    if (!Storage.isSessionUri(uri)) {
842                        return;
843                    }
844                    LocalSessionData newData = new LocalSessionData(uri);
845                    mDataAdapter.addData(newData);
846                }
847
848                @Override
849                public void onSessionDone(final Uri sessionUri) {
850                    Log.v(TAG, "onSessionDone:" + sessionUri);
851                    Uri contentUri = Storage.getContentUriForSessionUri(sessionUri);
852                    if (contentUri == null) {
853                        mDataAdapter.refresh(sessionUri);
854                        return;
855                    }
856                    LocalData newData = LocalMediaData.PhotoData.fromContentUri(
857                            getContentResolver(), contentUri);
858
859                    // This can be null if e.g. a session is canceled (e.g.
860                    // through discard panorama). It might be worth adding
861                    // onSessionCanceled or the like this interface.
862                    if (newData == null) {
863                        Log.i(TAG, "onSessionDone: Could not find LocalData for URI: " + contentUri);
864                        return;
865                    }
866
867                    final int pos = mDataAdapter.findDataByContentUri(sessionUri);
868                    if (pos == -1) {
869                        // We do not have a placeholder for this image, perhaps
870                        // due to the activity crashing or being killed.
871                        mDataAdapter.addData(newData);
872                    } else {
873                        mDataAdapter.updateData(pos, newData);
874                    }
875                }
876
877                @Override
878                public void onSessionProgress(final Uri uri, final int progress) {
879                    if (progress < 0) {
880                        // Do nothing, there is no task for this URI.
881                        return;
882                    }
883                    int currentDataId = mFilmstripController.getCurrentId();
884                    if (currentDataId == -1) {
885                        return;
886                    }
887                    if (uri.equals(
888                            mDataAdapter.getLocalData(currentDataId).getUri())) {
889                        updateSessionProgress(progress);
890                    }
891                }
892
893                @Override
894                public void onSessionProgressText(final Uri uri, final CharSequence message) {
895                    int currentDataId = mFilmstripController.getCurrentId();
896                    if (currentDataId == -1) {
897                        return;
898                    }
899                    if (uri.equals(
900                            mDataAdapter.getLocalData(currentDataId).getUri())) {
901                        updateSessionProgressText(message);
902                    }
903                }
904
905                @Override
906                public void onSessionUpdated(Uri uri) {
907                    mDataAdapter.refresh(uri);
908                }
909
910                @Override
911                public void onSessionPreviewAvailable(Uri uri) {
912                    mDataAdapter.refresh(uri);
913                    int dataId = mDataAdapter.findDataByContentUri(uri);
914                    if (dataId != -1) {
915                        startPeekAnimation(mDataAdapter.getLocalData(dataId));
916                    }
917                }
918
919                @Override
920                public void onSessionFailed(Uri uri, CharSequence reason) {
921                    Log.v(TAG, "onSessionFailed:" + uri);
922
923                    int failedDataId = mDataAdapter.findDataByContentUri(uri);
924                    int currentDataId = mFilmstripController.getCurrentId();
925
926                    if (currentDataId == failedDataId) {
927                        updateSessionProgress(0);
928                        showProcessError(reason);
929                    }
930                    // HERE
931                    mDataAdapter.refresh(uri);
932                }
933            };
934
935    @Override
936    public Context getAndroidContext() {
937        return mAppContext;
938    }
939
940    @Override
941    public void launchActivityByIntent(Intent intent) {
942        startActivityForResult(intent, REQ_CODE_DONT_SWITCH_TO_PREVIEW);
943    }
944
945    @Override
946    public int getCurrentModuleIndex() {
947        return mCurrentModeIndex;
948    }
949
950    @Override
951    public ModuleController getCurrentModuleController() {
952        return mCurrentModule;
953    }
954
955    @Override
956    public int getQuickSwitchToModuleId(int currentModuleIndex) {
957        return mModuleManager.getQuickSwitchToModuleId(currentModuleIndex, mSettingsManager,
958                mAppContext);
959    }
960
961    @Override
962    public SurfaceTexture getPreviewBuffer() {
963        // TODO: implement this
964        return null;
965    }
966
967    @Override
968    public void onPreviewReadyToStart() {
969        mCameraAppUI.onPreviewReadyToStart();
970    }
971
972    @Override
973    public void onPreviewStarted() {
974        mCameraAppUI.onPreviewStarted();
975    }
976
977    @Override
978    public void addPreviewAreaSizeChangedListener(
979            PreviewStatusListener.PreviewAreaChangedListener listener) {
980        mCameraAppUI.addPreviewAreaChangedListener(listener);
981    }
982
983    @Override
984    public void removePreviewAreaSizeChangedListener(
985            PreviewStatusListener.PreviewAreaChangedListener listener) {
986        mCameraAppUI.removePreviewAreaChangedListener(listener);
987    }
988
989    @Override
990    public void setupOneShotPreviewListener() {
991        mCameraController.setOneShotPreviewCallback(mMainHandler,
992                new CameraManager.CameraPreviewDataCallback() {
993                    @Override
994                    public void onPreviewFrame(byte[] data, CameraManager.CameraProxy camera) {
995                        mCurrentModule.onPreviewInitialDataReceived();
996                        mCameraAppUI.onNewPreviewFrame();
997                    }
998                }
999        );
1000    }
1001
1002    @Override
1003    public void updatePreviewAspectRatio(float aspectRatio) {
1004        mCameraAppUI.updatePreviewAspectRatio(aspectRatio);
1005    }
1006
1007    @Override
1008    public void updatePreviewTransformFullscreen(Matrix matrix, float aspectRatio) {
1009        mCameraAppUI.updatePreviewTransformFullscreen(matrix, aspectRatio);
1010    }
1011
1012    @Override
1013    public RectF getFullscreenRect() {
1014        return mCameraAppUI.getFullscreenRect();
1015    }
1016
1017    @Override
1018    public void updatePreviewTransform(Matrix matrix) {
1019        mCameraAppUI.updatePreviewTransform(matrix);
1020    }
1021
1022    @Override
1023    public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) {
1024        mCameraAppUI.setPreviewStatusListener(previewStatusListener);
1025    }
1026
1027    @Override
1028    public FrameLayout getModuleLayoutRoot() {
1029        return mCameraAppUI.getModuleRootView();
1030    }
1031
1032    @Override
1033    public void setShutterEventsListener(ShutterEventsListener listener) {
1034        // TODO: implement this
1035    }
1036
1037    private void saveShutterEnabledState() {
1038        mSavedShutterEnabledState = isShutterEnabled();
1039    }
1040
1041    private void restoreShutterEnabledState() {
1042        setShutterEnabled(mSavedShutterEnabledState);
1043    }
1044
1045    @Override
1046    public void setShutterEnabled(boolean enabled) {
1047        mCameraAppUI.setShutterButtonEnabled(enabled);
1048        saveShutterEnabledState();
1049    }
1050
1051    @Override
1052    public boolean isShutterEnabled() {
1053        return mCameraAppUI.isShutterButtonEnabled();
1054    }
1055
1056    @Override
1057    public void startPreCaptureAnimation() {
1058        mCameraAppUI.startPreCaptureAnimation();
1059    }
1060
1061    @Override
1062    public void cancelPreCaptureAnimation() {
1063        // TODO: implement this
1064    }
1065
1066    @Override
1067    public void startPostCaptureAnimation() {
1068        // TODO: implement this
1069    }
1070
1071    @Override
1072    public void startPostCaptureAnimation(Bitmap thumbnail) {
1073        // TODO: implement this
1074    }
1075
1076    @Override
1077    public void cancelPostCaptureAnimation() {
1078        // TODO: implement this
1079    }
1080
1081    @Override
1082    public OrientationManager getOrientationManager() {
1083        return mOrientationManager;
1084    }
1085
1086    @Override
1087    public LocationManager getLocationManager() {
1088        return mLocationManager;
1089    }
1090
1091    @Override
1092    public void lockOrientation() {
1093        if (mOrientationManager != null) {
1094            mOrientationManager.lockOrientation();
1095        }
1096    }
1097
1098    @Override
1099    public void unlockOrientation() {
1100        if (mOrientationManager != null) {
1101            mOrientationManager.unlockOrientation();
1102        }
1103    }
1104
1105    /**
1106     * Starts the filmstrip peek animation if the filmstrip is not visible.
1107     * Only {@link LocalData#LOCAL_IMAGE}, {@link
1108     * LocalData#LOCAL_IN_PROGRESS_DATA} and {@link
1109     * LocalData#LOCAL_VIDEO} are supported.
1110     *
1111     * @param data The data to peek.
1112     */
1113    private void startPeekAnimation(final LocalData data) {
1114        if (mFilmstripVisible || mPeekAnimationHandler == null) {
1115            return;
1116        }
1117
1118        int dataType = data.getLocalDataType();
1119        if (dataType != LocalData.LOCAL_IMAGE && dataType != LocalData.LOCAL_IN_PROGRESS_DATA &&
1120                dataType != LocalData.LOCAL_VIDEO) {
1121            return;
1122        }
1123
1124        mPeekAnimationHandler.startDecodingJob(data, new Callback<Bitmap>() {
1125            @Override
1126            public void onCallback(Bitmap result) {
1127                mCameraAppUI.startPeekAnimation(result, true);
1128            }
1129        });
1130    }
1131
1132    @Override
1133    public void notifyNewMedia(Uri uri) {
1134        updateStorageSpaceAndHint(null);
1135        ContentResolver cr = getContentResolver();
1136        String mimeType = cr.getType(uri);
1137        LocalData newData = null;
1138        if (LocalDataUtil.isMimeTypeVideo(mimeType)) {
1139            sendBroadcast(new Intent(CameraUtil.ACTION_NEW_VIDEO, uri));
1140            newData = LocalMediaData.VideoData.fromContentUri(getContentResolver(), uri);
1141            if (newData == null) {
1142                Log.e(TAG, "Can't find video data in content resolver:" + uri);
1143                return;
1144            }
1145        } else if (LocalDataUtil.isMimeTypeImage(mimeType)) {
1146            CameraUtil.broadcastNewPicture(mAppContext, uri);
1147            newData = LocalMediaData.PhotoData.fromContentUri(getContentResolver(), uri);
1148            if (newData == null) {
1149                Log.e(TAG, "Can't find photo data in content resolver:" + uri);
1150                return;
1151            }
1152        } else {
1153            Log.w(TAG, "Unknown new media with MIME type:" + mimeType + ", uri:" + uri);
1154            return;
1155        }
1156        // We are preloading the metadata for new video since we need the
1157        // rotation info for the thumbnail.
1158        new AsyncTask<LocalData, Void, LocalData>() {
1159
1160            @Override
1161            protected LocalData doInBackground(LocalData... params) {
1162                LocalData data = params[0];
1163                MetadataLoader.loadMetadata(getAndroidContext(), data);
1164                return data;
1165            }
1166
1167            @Override
1168            protected void onPostExecute(LocalData data) {
1169                if (mDataAdapter.addData(data)) {
1170                    startPeekAnimation(data);
1171                }
1172            }
1173        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, newData);
1174    }
1175
1176    @Override
1177    public void enableKeepScreenOn(boolean enabled) {
1178        if (mPaused) {
1179            return;
1180        }
1181
1182        mKeepScreenOn = enabled;
1183        if (mKeepScreenOn) {
1184            mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
1185            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
1186        } else {
1187            keepScreenOnForAWhile();
1188        }
1189    }
1190
1191    @Override
1192    public CameraProvider getCameraProvider() {
1193        return mCameraController;
1194    }
1195
1196    private void removeData(int dataID) {
1197        mDataAdapter.removeData(dataID);
1198        if (mDataAdapter.getTotalNumber() > 1) {
1199            showUndoDeletionBar();
1200        } else {
1201            // If camera preview is the only view left in filmstrip,
1202            // no need to show undo bar.
1203            mPendingDeletion = true;
1204            performDeletion();
1205            if (mFilmstripVisible) {
1206                mCameraAppUI.getFilmstripContentPanel().animateHide();
1207            }
1208        }
1209    }
1210
1211    @Override
1212    public boolean onOptionsItemSelected(MenuItem item) {
1213        // Handle presses on the action bar items
1214        switch (item.getItemId()) {
1215            case android.R.id.home:
1216                if (mFilmstripVisible && startGallery()) {
1217                    return true;
1218                }
1219                onBackPressed();
1220                return true;
1221            case R.id.action_details:
1222                showDetailsDialog(mFilmstripController.getCurrentId());
1223                return true;
1224            case R.id.action_help_and_feedback:
1225                mResetToPreviewOnResume = false;
1226                GoogleHelpHelper.launchGoogleHelp(this);
1227                return true;
1228            default:
1229                return super.onOptionsItemSelected(item);
1230        }
1231    }
1232
1233    private boolean isCaptureIntent() {
1234        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())
1235                || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())
1236                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1237            return true;
1238        } else {
1239            return false;
1240        }
1241    }
1242
1243    private final CameraManager.CameraExceptionCallback mCameraDefaultExceptionCallback
1244        = new CameraManager.CameraExceptionCallback() {
1245                @Override
1246                public void onCameraException(RuntimeException e) {
1247                    Log.e(TAG, "Camera Exception", e);
1248                    CameraUtil.showErrorAndFinish(CameraActivity.this,
1249                            R.string.cannot_connect_camera);
1250                }
1251            };
1252
1253    @Override
1254    public void onCreate(Bundle state) {
1255        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_START);
1256        super.onCreate(state);
1257        if (!Glide.isSetup()) {
1258            Glide.setup(new GlideBuilder(this)
1259                .setResizeService(new FifoPriorityThreadPoolExecutor(1)));
1260            Glide.get(this).setMemoryCategory(MemoryCategory.HIGH);
1261        }
1262
1263        mOnCreateTime = System.currentTimeMillis();
1264        mAppContext = getApplicationContext();
1265        mSettingsManager = new SettingsManager(mAppContext, this);
1266        GcamHelper.init(getContentResolver());
1267
1268        getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
1269        setContentView(R.layout.activity_main);
1270        mActionBar = getActionBar();
1271        mActionBar.addOnMenuVisibilityListener(this);
1272        mMainHandler = new MainHandler(this, getMainLooper());
1273        mCameraController =
1274                new CameraController(mAppContext, this, mMainHandler,
1275                        CameraManagerFactory.getAndroidCameraManager());
1276        mCameraController.setCameraDefaultExceptionCallback(mCameraDefaultExceptionCallback,
1277                mMainHandler);
1278
1279        // TODO: Try to move all the resources allocation to happen as soon as
1280        // possible so we can call module.init() at the earliest time.
1281        mModuleManager = new ModuleManagerImpl();
1282        ModulesInfo.setupModules(mAppContext, mModuleManager);
1283
1284        mModeListView = (ModeListView) findViewById(R.id.mode_list_layout);
1285        mModeListView.init(mModuleManager.getSupportedModeIndexList());
1286        if (ApiHelper.HAS_ROTATION_ANIMATION) {
1287            setRotationAnimation();
1288        }
1289        mModeListView.setVisibilityChangedListener(new ModeListVisibilityChangedListener() {
1290            @Override
1291            public void onVisibilityChanged(boolean visible) {
1292                mModeListVisible = visible;
1293                if (visible) {
1294                    saveShutterEnabledState();
1295                    // bypass own setShutterEnabled()
1296                    // which will blow away whatever's stored in
1297                    // mSavedShutterEnabledState
1298                    mCameraAppUI.setShutterButtonEnabled(false);
1299                } else {
1300                    restoreShutterEnabledState();
1301                }
1302                updatePreviewVisibility();
1303            }
1304        });
1305
1306        // Check if this is in the secure camera mode.
1307        Intent intent = getIntent();
1308        String action = intent.getAction();
1309        if (INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)
1310                || ACTION_IMAGE_CAPTURE_SECURE.equals(action)) {
1311            mSecureCamera = true;
1312        } else {
1313            mSecureCamera = intent.getBooleanExtra(SECURE_CAMERA_EXTRA, false);
1314        }
1315
1316        if (mSecureCamera) {
1317            // Change the window flags so that secure camera can show when
1318            // locked
1319            Window win = getWindow();
1320            WindowManager.LayoutParams params = win.getAttributes();
1321            params.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
1322            win.setAttributes(params);
1323
1324            // Filter for screen off so that we can finish secure camera
1325            // activity
1326            // when screen is off.
1327            IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
1328            registerReceiver(mScreenOffReceiver, filter);
1329        }
1330        mCameraAppUI = new CameraAppUI(this,
1331                (MainActivityLayout) findViewById(R.id.activity_root_view), isCaptureIntent());
1332
1333        mCameraAppUI.setFilmstripBottomControlsListener(mMyFilmstripBottomControlListener);
1334
1335        mAboveFilmstripControlLayout =
1336                (FrameLayout) findViewById(R.id.camera_filmstrip_content_layout);
1337
1338        // Add the session listener so we can track the session progress
1339        // updates.
1340        getServices().getCaptureSessionManager().addSessionListener(mSessionListener);
1341        mFilmstripController = ((FilmstripView) findViewById(R.id.filmstrip_view)).getController();
1342        mFilmstripController.setImageGap(
1343                getResources().getDimensionPixelSize(R.dimen.camera_film_strip_gap));
1344        mPanoramaViewHelper = new PanoramaViewHelper(this);
1345        mPanoramaViewHelper.onCreate();
1346        // Set up the camera preview first so the preview shows up ASAP.
1347        mDataAdapter = new CameraDataAdapter(mAppContext, R.color.photo_placeholder);
1348        mDataAdapter.setLocalDataListener(mLocalDataListener);
1349
1350        mPreloader = new Preloader<Integer, AsyncTask>(FILMSTRIP_PRELOAD_AHEAD_ITEMS, mDataAdapter,
1351                mDataAdapter);
1352
1353        mCameraAppUI.getFilmstripContentPanel().setFilmstripListener(mFilmstripListener);
1354        if (mSettingsManager.getBoolean(SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
1355            mCameraAppUI.setupClingForViewer(CameraAppUI.BottomPanel.VIEWER_REFOCUS);
1356        }
1357
1358        mLocationManager = new LocationManager(mAppContext);
1359
1360        mOrientationManager = new OrientationManagerImpl(this);
1361        mOrientationManager.addOnOrientationChangeListener(mMainHandler, this);
1362
1363        setModuleFromModeIndex(getModeIndex());
1364        mCameraAppUI.prepareModuleUI();
1365        mCurrentModule.init(this, isSecureCamera(), isCaptureIntent());
1366
1367        if (!mSecureCamera) {
1368            mFilmstripController.setDataAdapter(mDataAdapter);
1369            if (!isCaptureIntent()) {
1370                mDataAdapter.requestLoad(new Callback<Void>() {
1371                    @Override
1372                    public void onCallback(Void result) {
1373                        fillTemporarySessions();
1374                    }
1375                });
1376            }
1377        } else {
1378            // Put a lock placeholder as the last image by setting its date to
1379            // 0.
1380            ImageView v = (ImageView) getLayoutInflater().inflate(
1381                    R.layout.secure_album_placeholder, null);
1382            v.setTag(R.id.mediadata_tag_viewtype, LocalDataViewType.SECURE_ALBUM_PLACEHOLDER.ordinal());
1383            v.setOnClickListener(new View.OnClickListener() {
1384                @Override
1385                public void onClick(View view) {
1386                    UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
1387                            NavigationChange.InteractionCause.BUTTON);
1388                    startGallery();
1389                    finish();
1390                }
1391            });
1392            v.setContentDescription(getString(R.string.accessibility_unlock_to_camera));
1393            mDataAdapter = new FixedLastDataAdapter(
1394                    mAppContext,
1395                    mDataAdapter,
1396                    new SimpleViewData(
1397                            v,
1398                            LocalDataViewType.SECURE_ALBUM_PLACEHOLDER,
1399                            v.getDrawable().getIntrinsicWidth(),
1400                            v.getDrawable().getIntrinsicHeight(),
1401                            0, 0));
1402            // Flush out all the original data.
1403            mDataAdapter.flush();
1404            mFilmstripController.setDataAdapter(mDataAdapter);
1405        }
1406
1407        setupNfcBeamPush();
1408
1409        mLocalImagesObserver = new LocalMediaObserver();
1410        mLocalVideosObserver = new LocalMediaObserver();
1411
1412        getContentResolver().registerContentObserver(
1413                MediaStore.Images.Media.EXTERNAL_CONTENT_URI, true,
1414                mLocalImagesObserver);
1415        getContentResolver().registerContentObserver(
1416                MediaStore.Video.Media.EXTERNAL_CONTENT_URI, true,
1417                mLocalVideosObserver);
1418        if (FeedbackHelper.feedbackAvailable()) {
1419            mFeedbackHelper = new FeedbackHelper(mAppContext);
1420        }
1421        mMemoryManager = getServices().getMemoryManager();
1422
1423        AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
1424            @Override
1425            public void run() {
1426                HashMap memoryData = mMemoryManager.queryMemory();
1427                UsageStatistics.instance().reportMemoryConsumed(memoryData,
1428                        MemoryQuery.REPORT_LABEL_LAUNCH);
1429            }
1430        });
1431        mMotionManager = getServices().getMotionManager();
1432    }
1433
1434    /**
1435     * Get the current mode index from the Intent or from persistent
1436     * settings.
1437     */
1438    public int getModeIndex() {
1439        int modeIndex = -1;
1440        int photoIndex = getResources().getInteger(R.integer.camera_mode_photo);
1441        int videoIndex = getResources().getInteger(R.integer.camera_mode_video);
1442        int gcamIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1443        if (MediaStore.INTENT_ACTION_VIDEO_CAMERA.equals(getIntent().getAction())
1444                || MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())) {
1445            modeIndex = videoIndex;
1446        } else if (MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())) {
1447            // Capture intent.
1448            modeIndex = photoIndex;
1449        } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA.equals(getIntent().getAction())
1450                ||MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(getIntent()
1451                        .getAction())
1452                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1453            modeIndex = mSettingsManager.getInt(
1454                SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX);
1455
1456            // For upgraders who have not seen the aspect ratio selection screen,
1457            // we need to drop them back in the photo module and have them select
1458            // aspect ratio.
1459            // TODO: Move this to SettingsManager as an upgrade procedure.
1460            if (!mSettingsManager.getBoolean(SettingsManager.SETTING_USER_SELECTED_ASPECT_RATIO)) {
1461                modeIndex = photoIndex;
1462            }
1463        } else {
1464            // If the activity has not been started using an explicit intent,
1465            // read the module index from the last time the user changed modes
1466            modeIndex = mSettingsManager.getInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX);
1467            if ((modeIndex == gcamIndex &&
1468                    !GcamHelper.hasGcamCapture()) || modeIndex < 0) {
1469                modeIndex = photoIndex;
1470            }
1471        }
1472        return modeIndex;
1473    }
1474
1475    /**
1476     * Call this whenever the mode drawer or filmstrip change the visibility
1477     * state.
1478     */
1479    private void updatePreviewVisibility() {
1480        if (mCurrentModule == null) {
1481            return;
1482        }
1483
1484        int visibility = getPreviewVisibility();
1485        mCameraAppUI.onPreviewVisiblityChanged(visibility);
1486        updatePreviewRendering(visibility);
1487        mCurrentModule.onPreviewVisibilityChanged(visibility);
1488    }
1489
1490    private void updatePreviewRendering(int visibility) {
1491        if (visibility == ModuleController.VISIBILITY_HIDDEN) {
1492            mCameraAppUI.pausePreviewRendering();
1493        } else {
1494            mCameraAppUI.resumePreviewRendering();
1495        }
1496    }
1497
1498    private int getPreviewVisibility() {
1499        if (mFilmstripCoversPreview) {
1500            return ModuleController.VISIBILITY_HIDDEN;
1501        } else if (mModeListVisible){
1502            return ModuleController.VISIBILITY_COVERED;
1503        } else {
1504            return ModuleController.VISIBILITY_VISIBLE;
1505        }
1506    }
1507
1508    private void setRotationAnimation() {
1509        int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
1510        rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
1511        Window win = getWindow();
1512        WindowManager.LayoutParams winParams = win.getAttributes();
1513        winParams.rotationAnimation = rotationAnimation;
1514        win.setAttributes(winParams);
1515    }
1516
1517    @Override
1518    public void onUserInteraction() {
1519        super.onUserInteraction();
1520        if (!isFinishing()) {
1521            keepScreenOnForAWhile();
1522        }
1523    }
1524
1525    @Override
1526    public boolean dispatchTouchEvent(MotionEvent ev) {
1527        boolean result = super.dispatchTouchEvent(ev);
1528        if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
1529            // Real deletion is postponed until the next user interaction after
1530            // the gesture that triggers deletion. Until real deletion is
1531            // performed, users can click the undo button to bring back the
1532            // image that they chose to delete.
1533            if (mPendingDeletion && !mIsUndoingDeletion) {
1534                performDeletion();
1535            }
1536        }
1537        return result;
1538    }
1539
1540    @Override
1541    public void onPause() {
1542        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_PAUSE);
1543
1544        /*
1545         * Save the last module index after all secure camera and icon launches,
1546         * not just on mode switches.
1547         *
1548         * Right now we exclude capture intents from this logic, because we also
1549         * ignore the cross-Activity recovery logic in onStart for capture intents.
1550         */
1551        if (!isCaptureIntent()) {
1552            mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX,
1553                mCurrentModeIndex);
1554        }
1555
1556        mPaused = true;
1557        mPeekAnimationHandler = null;
1558        mPeekAnimationThread.quitSafely();
1559        mPeekAnimationThread = null;
1560
1561        // Delete photos that are pending deletion
1562        performDeletion();
1563        mCurrentModule.pause();
1564        mOrientationManager.pause();
1565        // Close the camera and wait for the operation done.
1566        mCameraController.closeCamera(true);
1567        mPanoramaViewHelper.onPause();
1568
1569        mLocalImagesObserver.setForegroundChangeListener(null);
1570        mLocalImagesObserver.setActivityPaused(true);
1571        mLocalVideosObserver.setActivityPaused(true);
1572        mPreloader.cancelAllLoads();
1573        resetScreenOn();
1574
1575        mMotionManager.stop();
1576
1577        UsageStatistics.instance().backgrounded();
1578
1579        super.onPause();
1580    }
1581
1582    @Override
1583    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
1584        if (requestCode == REQ_CODE_DONT_SWITCH_TO_PREVIEW) {
1585            mResetToPreviewOnResume = false;
1586        } else {
1587            super.onActivityResult(requestCode, resultCode, data);
1588        }
1589    }
1590
1591    @Override
1592    public void onResume() {
1593        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_RESUME);
1594        Log.v(TAG, "Build info: " + Build.DISPLAY);
1595
1596        mPaused = false;
1597        updateStorageSpaceAndHint(null);
1598
1599        mLastLayoutOrientation = getResources().getConfiguration().orientation;
1600
1601        // TODO: Handle this in OrientationManager.
1602        // Auto-rotate off
1603        if (Settings.System.getInt(getContentResolver(),
1604                Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {
1605            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
1606            mAutoRotateScreen = false;
1607        } else {
1608            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
1609            mAutoRotateScreen = true;
1610        }
1611
1612        // Foreground event logging.
1613        int source;
1614        String action = getIntent().getAction();
1615        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(action)) {
1616            source = ForegroundSource.ACTION_VIDEO_CAPTURE;
1617        } else if (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)) {
1618            source = ForegroundSource.ACTION_IMAGE_CAPTURE;
1619        } else if (MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(action) ||
1620                INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)) {
1621            // Foreground event caused by lock screen startup.
1622            // May get double logged due to lock screen onResume->onPause->onResume sequence.
1623            source = ForegroundSource.ACTION_IMAGE_CAPTURE_SECURE;
1624        } else if (Intent.ACTION_MAIN.equals(action)) {
1625            source = ForegroundSource.ACTION_MAIN;
1626        } else {
1627            source = ForegroundSource.UNKNOWN_SOURCE;
1628        }
1629        UsageStatistics.instance().foregrounded(source, currentUserInterfaceMode());
1630
1631        mGalleryIntent = IntentHelper.getPhotosGalleryIntent(mAppContext);
1632        Drawable galleryLogo = IntentHelper.getGalleryIcon(mAppContext, mGalleryIntent);
1633        if (galleryLogo == null) {
1634            try {
1635                galleryLogo = getPackageManager().getActivityLogo(getComponentName());
1636            } catch (PackageManager.NameNotFoundException e) {
1637                Log.e(TAG, "Can't get the activity logo");
1638            }
1639        }
1640        if (mGalleryIntent != null) {
1641            mActionBar.setDisplayUseLogoEnabled(true);
1642        }
1643        mActionBar.setLogo(galleryLogo);
1644        mOrientationManager.resume();
1645        super.onResume();
1646        mPeekAnimationThread = new HandlerThread("Peek animation");
1647        mPeekAnimationThread.start();
1648        mPeekAnimationHandler = new PeekAnimationHandler(mPeekAnimationThread.getLooper());
1649
1650        mCurrentModule.hardResetSettings(mSettingsManager);
1651        mCurrentModule.resume();
1652        UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
1653                NavigationChange.InteractionCause.BUTTON);
1654        setSwipingEnabled(true);
1655
1656        if (!mResetToPreviewOnResume) {
1657            LocalData data = mDataAdapter.getLocalData(mFilmstripController.getCurrentId());
1658            if (data != null) {
1659                mDataAdapter.refresh(data.getUri());
1660            }
1661        }
1662        // The share button might be disabled to avoid double tapping.
1663        mCameraAppUI.getFilmstripBottomControls().setShareEnabled(true);
1664        // Default is showing the preview, unless disabled by explicitly
1665        // starting an activity we want to return from to the filmstrip rather
1666        // than the preview.
1667        mResetToPreviewOnResume = true;
1668
1669        if (mLocalVideosObserver.isMediaDataChangedDuringPause()
1670                || mLocalImagesObserver.isMediaDataChangedDuringPause()) {
1671            if (!mSecureCamera) {
1672                // If it's secure camera, requestLoad() should not be called
1673                // as it will load all the data.
1674                if (!mFilmstripVisible) {
1675                    mDataAdapter.requestLoad(new Callback<Void>() {
1676                        @Override
1677                        public void onCallback(Void result) {
1678                            fillTemporarySessions();
1679                        }
1680                    });
1681                } else {
1682                    mDataAdapter.requestLoadNewPhotos();
1683                }
1684            }
1685        }
1686        mLocalImagesObserver.setActivityPaused(false);
1687        mLocalVideosObserver.setActivityPaused(false);
1688        if (!mSecureCamera) {
1689            mLocalImagesObserver.setForegroundChangeListener(
1690                    new LocalMediaObserver.ChangeListener() {
1691                @Override
1692                public void onChange() {
1693                    mDataAdapter.requestLoadNewPhotos();
1694                }
1695            });
1696        }
1697
1698        keepScreenOnForAWhile();
1699
1700        // Lights-out mode at all times.
1701        final View rootView = findViewById(R.id.activity_root_view);
1702        mLightsOutRunnable.run();
1703        getWindow().getDecorView().setOnSystemUiVisibilityChangeListener(
1704                new OnSystemUiVisibilityChangeListener() {
1705                    @Override
1706                    public void onSystemUiVisibilityChange(int visibility) {
1707                        mMainHandler.removeCallbacks(mLightsOutRunnable);
1708                        mMainHandler.postDelayed(mLightsOutRunnable, LIGHTS_OUT_DELAY_MS);
1709                    }
1710                });
1711
1712        mPanoramaViewHelper.onResume();
1713        ReleaseDialogHelper.showReleaseInfoDialogOnStart(this, mSettingsManager);
1714        syncLocationManagerSetting();
1715
1716        final int previewVisibility = getPreviewVisibility();
1717        updatePreviewRendering(previewVisibility);
1718
1719        mMotionManager.start();
1720    }
1721
1722    private void fillTemporarySessions() {
1723        if (mSecureCamera) {
1724            return;
1725        }
1726        // There might be sessions still in flight (processed by our service).
1727        // Make sure they're added to the filmstrip.
1728        getServices().getCaptureSessionManager().fillTemporarySession(mSessionListener);
1729    }
1730
1731    @Override
1732    public void onStart() {
1733        super.onStart();
1734        mPanoramaViewHelper.onStart();
1735
1736        /*
1737         * If we're starting after launching a different Activity (lockscreen),
1738         * we need to use the last mode used in the other Activity, and
1739         * not the old one from this Activity.
1740         *
1741         * This needs to happen before CameraAppUI.resume() in order to set the
1742         * mode cover icon to the actual last mode used.
1743         *
1744         * Right now we exclude capture intents from this logic.
1745         */
1746        int modeIndex = getModeIndex();
1747        if (!isCaptureIntent() && mCurrentModeIndex != modeIndex) {
1748            onModeSelected(modeIndex);
1749        }
1750
1751        if (mResetToPreviewOnResume) {
1752            mCameraAppUI.resume();
1753            mResetToPreviewOnResume = false;
1754        }
1755    }
1756
1757    @Override
1758    protected void onStop() {
1759        mPanoramaViewHelper.onStop();
1760        if (mFeedbackHelper != null) {
1761            mFeedbackHelper.stopFeedback();
1762        }
1763
1764        mLocationManager.disconnect();
1765        super.onStop();
1766    }
1767
1768    @Override
1769    public void onDestroy() {
1770        if (mSecureCamera) {
1771            unregisterReceiver(mScreenOffReceiver);
1772        }
1773        mActionBar.removeOnMenuVisibilityListener(this);
1774        mSettingsManager.removeAllListeners();
1775        mCameraController.removeCallbackReceiver();
1776        getContentResolver().unregisterContentObserver(mLocalImagesObserver);
1777        getContentResolver().unregisterContentObserver(mLocalVideosObserver);
1778        getServices().getCaptureSessionManager().removeSessionListener(mSessionListener);
1779        mCameraAppUI.onDestroy();
1780        mModeListView.setVisibilityChangedListener(null);
1781        mCameraController = null;
1782        mSettingsManager = null;
1783        mCameraAppUI = null;
1784        mOrientationManager = null;
1785        mButtonManager = null;
1786        CameraManagerFactory.recycle();
1787        super.onDestroy();
1788    }
1789
1790    @Override
1791    public void onConfigurationChanged(Configuration config) {
1792        super.onConfigurationChanged(config);
1793        Log.v(TAG, "onConfigurationChanged");
1794        if (config.orientation == Configuration.ORIENTATION_UNDEFINED) {
1795            return;
1796        }
1797
1798        if (mLastLayoutOrientation != config.orientation) {
1799            mLastLayoutOrientation = config.orientation;
1800            mCurrentModule.onLayoutOrientationChanged(
1801                    mLastLayoutOrientation == Configuration.ORIENTATION_LANDSCAPE);
1802        }
1803    }
1804
1805    @Override
1806    public boolean onKeyDown(int keyCode, KeyEvent event) {
1807        if (!mFilmstripVisible) {
1808            if (mCurrentModule.onKeyDown(keyCode, event)) {
1809                return true;
1810            }
1811            // Prevent software keyboard or voice search from showing up.
1812            if (keyCode == KeyEvent.KEYCODE_SEARCH
1813                    || keyCode == KeyEvent.KEYCODE_MENU) {
1814                if (event.isLongPress()) {
1815                    return true;
1816                }
1817            }
1818        }
1819
1820        return super.onKeyDown(keyCode, event);
1821    }
1822
1823    @Override
1824    public boolean onKeyUp(int keyCode, KeyEvent event) {
1825        if (!mFilmstripVisible) {
1826            // If a module is in the middle of capture, it should
1827            // consume the key event.
1828            if (mCurrentModule.onKeyUp(keyCode, event)) {
1829                return true;
1830            } else if (keyCode == KeyEvent.KEYCODE_MENU
1831                    || keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1832                // Let the mode list view consume the event.
1833                mCameraAppUI.openModeList();
1834                return true;
1835            } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1836                mCameraAppUI.showFilmstrip();
1837                return true;
1838            }
1839        } else {
1840            if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1841                mFilmstripController.goToNextItem();
1842                return true;
1843            } else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1844                boolean wentToPrevious = mFilmstripController.goToPreviousItem();
1845                if (!wentToPrevious) {
1846                  // at beginning of filmstrip, hide and go back to preview
1847                  mCameraAppUI.hideFilmstrip();
1848                }
1849                return true;
1850            }
1851        }
1852        return super.onKeyUp(keyCode, event);
1853    }
1854
1855    @Override
1856    public void onBackPressed() {
1857        if (!mCameraAppUI.onBackPressed()) {
1858            if (!mCurrentModule.onBackPressed()) {
1859                super.onBackPressed();
1860            }
1861        }
1862    }
1863
1864    @Override
1865    public boolean isAutoRotateScreen() {
1866        // TODO: Move to OrientationManager.
1867        return mAutoRotateScreen;
1868    }
1869
1870    @Override
1871    public boolean onCreateOptionsMenu(Menu menu) {
1872        MenuInflater inflater = getMenuInflater();
1873        inflater.inflate(R.menu.filmstrip_menu, menu);
1874        mActionBarMenu = menu;
1875        return super.onCreateOptionsMenu(menu);
1876    }
1877
1878    protected long getStorageSpaceBytes() {
1879        synchronized (mStorageSpaceLock) {
1880            return mStorageSpaceBytes;
1881        }
1882    }
1883
1884    protected interface OnStorageUpdateDoneListener {
1885        public void onStorageUpdateDone(long bytes);
1886    }
1887
1888    protected void updateStorageSpaceAndHint(final OnStorageUpdateDoneListener callback) {
1889        /*
1890         * We execute disk operations on a background thread in order to
1891         * free up the UI thread.  Synchronizing on the lock below ensures
1892         * that when getStorageSpaceBytes is called, the main thread waits
1893         * until this method has completed.
1894         *
1895         * However, .execute() does not ensure this execution block will be
1896         * run right away (.execute() schedules this AsyncTask for sometime
1897         * in the future. executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR)
1898         * tries to execute the task in parellel with other AsyncTasks, but
1899         * there's still no guarantee).
1900         * e.g. don't call this then immediately call getStorageSpaceBytes().
1901         * Instead, pass in an OnStorageUpdateDoneListener.
1902         */
1903        (new AsyncTask<Void, Void, Long>() {
1904            @Override
1905            protected Long doInBackground(Void ... arg) {
1906                synchronized (mStorageSpaceLock) {
1907                    mStorageSpaceBytes = Storage.getAvailableSpace();
1908                    return mStorageSpaceBytes;
1909                }
1910            }
1911
1912            @Override
1913            protected void onPostExecute(Long bytes) {
1914                updateStorageHint(bytes);
1915                if (callback != null) {
1916                    callback.onStorageUpdateDone(bytes);
1917                }
1918            }
1919        }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
1920    }
1921
1922    protected void updateStorageHint(long storageSpace) {
1923        String message = null;
1924        if (storageSpace == Storage.UNAVAILABLE) {
1925            message = getString(R.string.no_storage);
1926        } else if (storageSpace == Storage.PREPARING) {
1927            message = getString(R.string.preparing_sd);
1928        } else if (storageSpace == Storage.UNKNOWN_SIZE) {
1929            message = getString(R.string.access_sd_fail);
1930        } else if (storageSpace <= Storage.LOW_STORAGE_THRESHOLD_BYTES) {
1931            message = getString(R.string.spaceIsLow_content);
1932        }
1933
1934        if (message != null) {
1935            Log.w(TAG, "Storage warning: " + message);
1936            if (mStorageHint == null) {
1937                mStorageHint = OnScreenHint.makeText(CameraActivity.this, message);
1938            } else {
1939                mStorageHint.setText(message);
1940            }
1941            mStorageHint.show();
1942            UsageStatistics.instance().storageWarning(storageSpace);
1943        } else if (mStorageHint != null) {
1944            mStorageHint.cancel();
1945            mStorageHint = null;
1946        }
1947    }
1948
1949    protected void setResultEx(int resultCode) {
1950        mResultCodeForTesting = resultCode;
1951        setResult(resultCode);
1952    }
1953
1954    protected void setResultEx(int resultCode, Intent data) {
1955        mResultCodeForTesting = resultCode;
1956        mResultDataForTesting = data;
1957        setResult(resultCode, data);
1958    }
1959
1960    public int getResultCode() {
1961        return mResultCodeForTesting;
1962    }
1963
1964    public Intent getResultData() {
1965        return mResultDataForTesting;
1966    }
1967
1968    public boolean isSecureCamera() {
1969        return mSecureCamera;
1970    }
1971
1972    @Override
1973    public boolean isPaused() {
1974        return mPaused;
1975    }
1976
1977    @Override
1978    public int getPreferredChildModeIndex(int modeIndex) {
1979        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
1980            boolean hdrPlusOn = mSettingsManager.isHdrPlusOn();
1981            if (hdrPlusOn && GcamHelper.hasGcamCapture()) {
1982                modeIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1983            }
1984        }
1985        return modeIndex;
1986    }
1987
1988    @Override
1989    public void onModeSelected(int modeIndex) {
1990        if (mCurrentModeIndex == modeIndex) {
1991            return;
1992        }
1993
1994        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.MODE_SWITCH_START);
1995        // Record last used camera mode for quick switching
1996        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)
1997                || modeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
1998            mSettingsManager.setInt(SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX,
1999                    modeIndex);
2000        }
2001
2002        closeModule(mCurrentModule);
2003
2004        // Select the correct module index from the mode switcher index.
2005        modeIndex = getPreferredChildModeIndex(modeIndex);
2006        setModuleFromModeIndex(modeIndex);
2007
2008        mCameraAppUI.resetBottomControls(mCurrentModule, modeIndex);
2009        mCameraAppUI.addShutterListener(mCurrentModule);
2010        mCameraAppUI.hideLetterboxing();
2011        openModule(mCurrentModule);
2012        mCurrentModule.onOrientationChanged(mLastRawOrientation);
2013        // Store the module index so we can use it the next time the Camera
2014        // starts up.
2015        mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX, modeIndex);
2016    }
2017
2018    /**
2019     * Shows the settings dialog.
2020     */
2021    @Override
2022    public void onSettingsSelected() {
2023        UsageStatistics.instance().controlUsed(
2024                eventprotos.ControlEvent.ControlType.OVERALL_SETTINGS);
2025        Intent intent = new Intent(this, CameraSettingsActivity.class);
2026        startActivity(intent);
2027    }
2028
2029    @Override
2030    public void freezeScreenUntilPreviewReady() {
2031        mCameraAppUI.freezeScreenUntilPreviewReady();
2032    }
2033
2034    /**
2035     * Sets the mCurrentModuleIndex, creates a new module instance for the given
2036     * index an sets it as mCurrentModule.
2037     */
2038    private void setModuleFromModeIndex(int modeIndex) {
2039        ModuleManagerImpl.ModuleAgent agent = mModuleManager.getModuleAgent(modeIndex);
2040        if (agent == null) {
2041            return;
2042        }
2043        if (!agent.requestAppForCamera()) {
2044            mCameraController.closeCamera(true);
2045        }
2046        mCurrentModeIndex = agent.getModuleId();
2047        mCurrentModule = (CameraModule) agent.createModule(this);
2048    }
2049
2050    @Override
2051    public SettingsManager getSettingsManager() {
2052        return mSettingsManager;
2053    }
2054
2055    @Override
2056    public CameraServices getServices() {
2057        return (CameraServices) getApplication();
2058    }
2059
2060    public List<String> getSupportedModeNames() {
2061        List<Integer> indices = mModuleManager.getSupportedModeIndexList();
2062        List<String> supported = new ArrayList<String>();
2063
2064        for (Integer modeIndex : indices) {
2065            String name = CameraUtil.getCameraModeText(modeIndex, mAppContext);
2066            if (name != null && !name.equals("")) {
2067                supported.add(name);
2068            }
2069        }
2070        return supported;
2071    }
2072
2073    @Override
2074    public ButtonManager getButtonManager() {
2075        if (mButtonManager == null) {
2076            mButtonManager = new ButtonManager(this);
2077        }
2078        return mButtonManager;
2079    }
2080
2081    /**
2082     * Creates an AlertDialog appropriate for choosing whether to enable
2083     * location on the first run of the app.
2084     */
2085    public AlertDialog getFirstTimeLocationAlert() {
2086        AlertDialog.Builder builder = new AlertDialog.Builder(this);
2087        builder = SettingsUtil.getFirstTimeLocationAlertBuilder(builder, new Callback<Boolean>() {
2088            @Override
2089            public void onCallback(Boolean locationOn) {
2090                mSettingsManager.setLocation(locationOn, mLocationManager);
2091            }
2092        });
2093        if (builder != null) {
2094            return builder.create();
2095        } else {
2096            return null;
2097        }
2098    }
2099
2100    /**
2101     * Launches an ACTION_EDIT intent for the given local data item. If
2102     * 'withTinyPlanet' is set, this will show a disambig dialog first to let
2103     * the user start either the tiny planet editor or another photo edior.
2104     *
2105     * @param data The data item to edit.
2106     */
2107    public void launchEditor(LocalData data) {
2108        Intent intent = new Intent(Intent.ACTION_EDIT)
2109                .setDataAndType(data.getUri(), data.getMimeType())
2110                .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2111        try {
2112            launchActivityByIntent(intent);
2113        } catch (ActivityNotFoundException e) {
2114            final String msgEditWith = getResources().getString(R.string.edit_with);
2115            launchActivityByIntent(Intent.createChooser(intent, msgEditWith));
2116        }
2117    }
2118
2119    @Override
2120    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
2121        super.onCreateContextMenu(menu, v, menuInfo);
2122
2123        MenuInflater inflater = getMenuInflater();
2124        inflater.inflate(R.menu.filmstrip_context_menu, menu);
2125    }
2126
2127    @Override
2128    public boolean onContextItemSelected(MenuItem item) {
2129        switch (item.getItemId()) {
2130            case R.id.tiny_planet_editor:
2131                mMyFilmstripBottomControlListener.onTinyPlanet();
2132                return true;
2133            case R.id.photo_editor:
2134                mMyFilmstripBottomControlListener.onEdit();
2135                return true;
2136        }
2137        return false;
2138    }
2139
2140    /**
2141     * Launch the tiny planet editor.
2142     *
2143     * @param data The data must be a 360 degree stereographically mapped
2144     *            panoramic image. It will not be modified, instead a new item
2145     *            with the result will be added to the filmstrip.
2146     */
2147    public void launchTinyPlanetEditor(LocalData data) {
2148        TinyPlanetFragment fragment = new TinyPlanetFragment();
2149        Bundle bundle = new Bundle();
2150        bundle.putString(TinyPlanetFragment.ARGUMENT_URI, data.getUri().toString());
2151        bundle.putString(TinyPlanetFragment.ARGUMENT_TITLE, data.getTitle());
2152        fragment.setArguments(bundle);
2153        fragment.show(getFragmentManager(), "tiny_planet");
2154    }
2155
2156    /**
2157     * Returns what UI mode (capture mode or filmstrip) we are in.
2158     * Returned number one of {@link com.google.common.logging.eventprotos.NavigationChange.Mode}
2159     */
2160    private int currentUserInterfaceMode() {
2161        int mode = NavigationChange.Mode.UNKNOWN_MODE;
2162        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
2163            mode = NavigationChange.Mode.PHOTO_CAPTURE;
2164        }
2165        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_video)) {
2166            mode = NavigationChange.Mode.VIDEO_CAPTURE;
2167        }
2168        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_refocus)) {
2169            mode = NavigationChange.Mode.LENS_BLUR;
2170        }
2171        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
2172            mode = NavigationChange.Mode.HDR_PLUS;
2173        }
2174        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photosphere)) {
2175            mode = NavigationChange.Mode.PHOTO_SPHERE;
2176        }
2177        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_panorama)) {
2178            mode = NavigationChange.Mode.PANORAMA;
2179        }
2180        if (mFilmstripVisible) {
2181            mode = NavigationChange.Mode.FILMSTRIP;
2182        }
2183        return mode;
2184    }
2185
2186    private void openModule(CameraModule module) {
2187        module.init(this, isSecureCamera(), isCaptureIntent());
2188        module.hardResetSettings(mSettingsManager);
2189        module.resume();
2190        UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
2191                NavigationChange.InteractionCause.BUTTON);
2192        updatePreviewVisibility();
2193    }
2194
2195    private void closeModule(CameraModule module) {
2196        module.pause();
2197        mCameraAppUI.clearModuleUI();
2198    }
2199
2200    private void performDeletion() {
2201        if (!mPendingDeletion) {
2202            return;
2203        }
2204        hideUndoDeletionBar(false);
2205        mDataAdapter.executeDeletion();
2206    }
2207
2208    public void showUndoDeletionBar() {
2209        if (mPendingDeletion) {
2210            performDeletion();
2211        }
2212        Log.v(TAG, "showing undo bar");
2213        mPendingDeletion = true;
2214        if (mUndoDeletionBar == null) {
2215            ViewGroup v = (ViewGroup) getLayoutInflater().inflate(R.layout.undo_bar,
2216                    mAboveFilmstripControlLayout, true);
2217            mUndoDeletionBar = (ViewGroup) v.findViewById(R.id.camera_undo_deletion_bar);
2218            View button = mUndoDeletionBar.findViewById(R.id.camera_undo_deletion_button);
2219            button.setOnClickListener(new View.OnClickListener() {
2220                @Override
2221                public void onClick(View view) {
2222                    mDataAdapter.undoDataRemoval();
2223                    hideUndoDeletionBar(true);
2224                }
2225            });
2226            // Setting undo bar clickable to avoid touch events going through
2227            // the bar to the buttons (eg. edit button, etc) underneath the bar.
2228            mUndoDeletionBar.setClickable(true);
2229            // When there is user interaction going on with the undo button, we
2230            // do not want to hide the undo bar.
2231            button.setOnTouchListener(new View.OnTouchListener() {
2232                @Override
2233                public boolean onTouch(View v, MotionEvent event) {
2234                    if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
2235                        mIsUndoingDeletion = true;
2236                    } else if (event.getActionMasked() == MotionEvent.ACTION_UP) {
2237                        mIsUndoingDeletion = false;
2238                    }
2239                    return false;
2240                }
2241            });
2242        }
2243        mUndoDeletionBar.setAlpha(0f);
2244        mUndoDeletionBar.setVisibility(View.VISIBLE);
2245        mUndoDeletionBar.animate().setDuration(200).alpha(1f).setListener(null).start();
2246    }
2247
2248    private void hideUndoDeletionBar(boolean withAnimation) {
2249        Log.v(TAG, "Hiding undo deletion bar");
2250        mPendingDeletion = false;
2251        if (mUndoDeletionBar != null) {
2252            if (withAnimation) {
2253                mUndoDeletionBar.animate().setDuration(200).alpha(0f)
2254                        .setListener(new Animator.AnimatorListener() {
2255                            @Override
2256                            public void onAnimationStart(Animator animation) {
2257                                // Do nothing.
2258                            }
2259
2260                            @Override
2261                            public void onAnimationEnd(Animator animation) {
2262                                mUndoDeletionBar.setVisibility(View.GONE);
2263                            }
2264
2265                            @Override
2266                            public void onAnimationCancel(Animator animation) {
2267                                // Do nothing.
2268                            }
2269
2270                            @Override
2271                            public void onAnimationRepeat(Animator animation) {
2272                                // Do nothing.
2273                            }
2274                        }).start();
2275            } else {
2276                mUndoDeletionBar.setVisibility(View.GONE);
2277            }
2278        }
2279    }
2280
2281    @Override
2282    public void onOrientationChanged(int orientation) {
2283        // We keep the last known orientation. So if the user first orient
2284        // the camera then point the camera to floor or sky, we still have
2285        // the correct orientation.
2286        if (orientation == OrientationManager.ORIENTATION_UNKNOWN) {
2287            return;
2288        }
2289        mLastRawOrientation = orientation;
2290        if (mCurrentModule != null) {
2291            mCurrentModule.onOrientationChanged(orientation);
2292        }
2293    }
2294
2295    /**
2296     * Enable/disable swipe-to-filmstrip. Will always disable swipe if in
2297     * capture intent.
2298     *
2299     * @param enable {@code true} to enable swipe.
2300     */
2301    public void setSwipingEnabled(boolean enable) {
2302        // TODO: Bring back the functionality.
2303        if (isCaptureIntent()) {
2304            // lockPreview(true);
2305        } else {
2306            // lockPreview(!enable);
2307        }
2308    }
2309
2310    // Accessor methods for getting latency times used in performance testing
2311    public long getFirstPreviewTime() {
2312        if (mCurrentModule instanceof PhotoModule) {
2313            long coverHiddenTime = getCameraAppUI().getCoverHiddenTime();
2314            if (coverHiddenTime != -1) {
2315                return coverHiddenTime - mOnCreateTime;
2316            }
2317        }
2318        return -1;
2319    }
2320
2321    public long getAutoFocusTime() {
2322        return (mCurrentModule instanceof PhotoModule) ?
2323                ((PhotoModule) mCurrentModule).mAutoFocusTime : -1;
2324    }
2325
2326    public long getShutterLag() {
2327        return (mCurrentModule instanceof PhotoModule) ?
2328                ((PhotoModule) mCurrentModule).mShutterLag : -1;
2329    }
2330
2331    public long getShutterToPictureDisplayedTime() {
2332        return (mCurrentModule instanceof PhotoModule) ?
2333                ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1;
2334    }
2335
2336    public long getPictureDisplayedToJpegCallbackTime() {
2337        return (mCurrentModule instanceof PhotoModule) ?
2338                ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1;
2339    }
2340
2341    public long getJpegCallbackFinishTime() {
2342        return (mCurrentModule instanceof PhotoModule) ?
2343                ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1;
2344    }
2345
2346    public long getCaptureStartTime() {
2347        return (mCurrentModule instanceof PhotoModule) ?
2348                ((PhotoModule) mCurrentModule).mCaptureStartTime : -1;
2349    }
2350
2351    public boolean isRecording() {
2352        return (mCurrentModule instanceof VideoModule) ?
2353                ((VideoModule) mCurrentModule).isRecording() : false;
2354    }
2355
2356    public CameraManager.CameraOpenCallback getCameraOpenErrorCallback() {
2357        return mCameraController;
2358    }
2359
2360    // For debugging purposes only.
2361    public CameraModule getCurrentModule() {
2362        return mCurrentModule;
2363    }
2364
2365    @Override
2366    public void showTutorial(AbstractTutorialOverlay tutorial) {
2367        mCameraAppUI.showTutorial(tutorial, getLayoutInflater());
2368    }
2369
2370    /**
2371     * Reads the current location recording settings and passes it on to the
2372     * location manager.
2373     */
2374    public void syncLocationManagerSetting() {
2375        mSettingsManager.syncLocationManager(mLocationManager);
2376    }
2377
2378    private void keepScreenOnForAWhile() {
2379        if (mKeepScreenOn) {
2380            return;
2381        }
2382        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2383        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2384        mMainHandler.sendEmptyMessageDelayed(MSG_CLEAR_SCREEN_ON_FLAG, SCREEN_DELAY_MS);
2385    }
2386
2387    private void resetScreenOn() {
2388        mKeepScreenOn = false;
2389        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2390        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2391    }
2392
2393    /**
2394     * @return {@code true} if the Gallery is launched successfully.
2395     */
2396    private boolean startGallery() {
2397        if (mGalleryIntent == null) {
2398            return false;
2399        }
2400        try {
2401            UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
2402                    NavigationChange.InteractionCause.BUTTON);
2403            Intent startGalleryIntent = new Intent(mGalleryIntent);
2404            int currentDataId = mFilmstripController.getCurrentId();
2405            LocalData currentLocalData = mDataAdapter.getLocalData(currentDataId);
2406            if (currentLocalData != null) {
2407                GalleryHelper.setContentUri(startGalleryIntent, currentLocalData.getUri());
2408            }
2409            launchActivityByIntent(startGalleryIntent);
2410        } catch (ActivityNotFoundException e) {
2411            Log.w(TAG, "Failed to launch gallery activity, closing");
2412        }
2413        return false;
2414    }
2415
2416    private void setNfcBeamPushUriFromData(LocalData data) {
2417        final Uri uri = data.getUri();
2418        if (uri != Uri.EMPTY) {
2419            mNfcPushUris[0] = uri;
2420        } else {
2421            mNfcPushUris[0] = null;
2422        }
2423    }
2424
2425    /**
2426     * Updates the visibility of the filmstrip bottom controls and action bar.
2427     */
2428    private void updateUiByData(final int dataId) {
2429        final LocalData currentData = mDataAdapter.getLocalData(dataId);
2430        if (currentData == null) {
2431            Log.w(TAG, "Current data ID not found.");
2432            hideSessionProgress();
2433            return;
2434        }
2435        updateActionBarMenu(currentData);
2436
2437        /* Bottom controls. */
2438        updateBottomControlsByData(currentData);
2439
2440        if (isSecureCamera()) {
2441            // We cannot show buttons in secure camera since go to other
2442            // activities might create a security hole.
2443            mCameraAppUI.getFilmstripBottomControls().hideControls();
2444            return;
2445        }
2446
2447
2448        setNfcBeamPushUriFromData(currentData);
2449
2450        if (!mDataAdapter.isMetadataUpdated(dataId)) {
2451            mDataAdapter.updateMetadata(dataId);
2452        }
2453    }
2454
2455    /**
2456     * Updates the bottom controls based on the data.
2457     */
2458    private void updateBottomControlsByData(final LocalData currentData) {
2459
2460        final CameraAppUI.BottomPanel filmstripBottomPanel =
2461                mCameraAppUI.getFilmstripBottomControls();
2462        filmstripBottomPanel.showControls();
2463        filmstripBottomPanel.setEditButtonVisibility(
2464                currentData.isDataActionSupported(LocalData.DATA_ACTION_EDIT));
2465        filmstripBottomPanel.setShareButtonVisibility(
2466                currentData.isDataActionSupported(LocalData.DATA_ACTION_SHARE));
2467        filmstripBottomPanel.setDeleteButtonVisibility(
2468                currentData.isDataActionSupported(LocalData.DATA_ACTION_DELETE));
2469
2470        /* Progress bar */
2471
2472        Uri contentUri = currentData.getUri();
2473        CaptureSessionManager sessionManager = getServices()
2474                .getCaptureSessionManager();
2475
2476        if (sessionManager.hasErrorMessage(contentUri)) {
2477            showProcessError(sessionManager.getErrorMesage(contentUri));
2478        } else {
2479            filmstripBottomPanel.hideProgressError();
2480            CaptureSession session = sessionManager.getSession(contentUri);
2481
2482            if (session != null) {
2483                int sessionProgress = session.getProgress();
2484
2485                if (sessionProgress < 0) {
2486                    hideSessionProgress();
2487                } else {
2488                    CharSequence progressMessage = session.getProgressMessage();
2489                    showSessionProgress(progressMessage);
2490                    updateSessionProgress(sessionProgress);
2491                }
2492            } else {
2493                hideSessionProgress();
2494            }
2495        }
2496
2497        /* View button */
2498
2499        // We need to add this to a separate DB.
2500        final int viewButtonVisibility;
2501        if (PanoramaMetadataLoader.isPanoramaAndUseViewer(currentData)) {
2502            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_PHOTO_SPHERE;
2503        } else if (RgbzMetadataLoader.hasRGBZData(currentData)) {
2504            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_REFOCUS;
2505        } else {
2506            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_NONE;
2507        }
2508
2509        filmstripBottomPanel.setTinyPlanetEnabled(
2510                PanoramaMetadataLoader.isPanorama360(currentData));
2511        filmstripBottomPanel.setViewerButtonVisibility(viewButtonVisibility);
2512    }
2513
2514    private class PeekAnimationHandler extends Handler {
2515        private class DataAndCallback {
2516            LocalData mData;
2517            com.android.camera.util.Callback<Bitmap> mCallback;
2518
2519            public DataAndCallback(LocalData data, com.android.camera.util.Callback<Bitmap>
2520                    callback) {
2521                mData = data;
2522                mCallback = callback;
2523            }
2524        }
2525
2526        public PeekAnimationHandler(Looper looper) {
2527            super(looper);
2528        }
2529
2530        /**
2531         * Starts the animation decoding job and posts a {@code Runnable} back
2532         * when when the decoding is done.
2533         *
2534         * @param data The data item to decode the thumbnail for.
2535         * @param callback {@link com.android.camera.util.Callback} after the
2536         *                 decoding is done.
2537         */
2538        public void startDecodingJob(final LocalData data,
2539                final com.android.camera.util.Callback<Bitmap> callback) {
2540            PeekAnimationHandler.this.obtainMessage(0 /** dummy integer **/,
2541                    new DataAndCallback(data, callback)).sendToTarget();
2542        }
2543
2544        @Override
2545        public void handleMessage(Message msg) {
2546            final LocalData data = ((DataAndCallback) msg.obj).mData;
2547            final com.android.camera.util.Callback<Bitmap> callback =
2548                    ((DataAndCallback) msg.obj).mCallback;
2549            if (data == null || callback == null) {
2550                return;
2551            }
2552
2553            final Bitmap bitmap;
2554            switch (data.getLocalDataType()) {
2555                case LocalData.LOCAL_IN_PROGRESS_DATA:
2556                    byte[] jpegData = Storage.getJpegForSession(data.getUri());
2557                    if (jpegData != null) {
2558                        bitmap = BitmapFactory.decodeByteArray(jpegData, 0, jpegData.length);
2559                    } else {
2560                        bitmap = null;
2561                    }
2562                    break;
2563
2564                case LocalData.LOCAL_IMAGE:
2565                    FileInputStream stream;
2566                    try {
2567                        stream = new FileInputStream(data.getPath());
2568                    } catch (FileNotFoundException e) {
2569                        Log.e(TAG, "File not found:" + data.getPath());
2570                        return;
2571                    }
2572                    Point dim = CameraUtil.resizeToFill(data.getWidth(), data.getHeight(),
2573                            data.getRotation(), mAboveFilmstripControlLayout.getWidth(),
2574                            mAboveFilmstripControlLayout.getMeasuredHeight());
2575                    if (data.getRotation() % 180 != 0) {
2576                        int dummy = dim.x;
2577                        dim.x = dim.y;
2578                        dim.y = dummy;
2579                    }
2580                    bitmap = LocalDataUtil
2581                            .loadImageThumbnailFromStream(stream, data.getWidth(), data.getHeight(),
2582                                    (int) (dim.x * 0.7f), (int) (dim.y * 0.7),
2583                                    data.getRotation(), MAX_PEEK_BITMAP_PIXELS);
2584                    break;
2585
2586                case LocalData.LOCAL_VIDEO:
2587                    bitmap = LocalDataUtil.loadVideoThumbnail(data.getPath());
2588                    break;
2589
2590                default:
2591                    bitmap = null;
2592                    break;
2593            }
2594
2595            if (bitmap == null) {
2596                return;
2597            }
2598
2599            mMainHandler.post(new Runnable() {
2600                @Override
2601                public void run() {
2602                    callback.onCallback(bitmap);
2603                }
2604            });
2605        }
2606    }
2607
2608    private void showDetailsDialog(int dataId) {
2609        final LocalData data = mDataAdapter.getLocalData(dataId);
2610        if (data == null) {
2611            return;
2612        }
2613        MediaDetails details = data.getMediaDetails(getAndroidContext());
2614        if (details == null) {
2615            return;
2616        }
2617        Dialog detailDialog = DetailsDialog.create(CameraActivity.this, details);
2618        detailDialog.show();
2619        UsageStatistics.instance().mediaInteraction(
2620                fileNameFromDataID(dataId), MediaInteraction.InteractionType.DETAILS,
2621                NavigationChange.InteractionCause.BUTTON, fileAgeFromDataID(dataId));
2622    }
2623
2624    /**
2625     * Show or hide action bar items depending on current data type.
2626     */
2627    private void updateActionBarMenu(LocalData data) {
2628        if (mActionBarMenu == null) {
2629            return;
2630        }
2631
2632        MenuItem detailsMenuItem = mActionBarMenu.findItem(R.id.action_details);
2633        if (detailsMenuItem == null) {
2634            return;
2635        }
2636
2637        int type = data.getLocalDataType();
2638        boolean showDetails = (type == LocalData.LOCAL_IMAGE) || (type == LocalData.LOCAL_VIDEO);
2639        detailsMenuItem.setVisible(showDetails);
2640    }
2641}
2642