CameraActivity.java revision 6fbfe5173803b303c883ab2d446f50983cf43c2e 
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.util.CameraPerformanceTracker;
56import android.view.ContextMenu;
57import android.view.ContextMenu.ContextMenuInfo;
58import android.view.KeyEvent;
59import android.view.Menu;
60import android.view.MenuInflater;
61import android.view.MenuItem;
62import android.view.MotionEvent;
63import android.view.View;
64import android.view.View.OnSystemUiVisibilityChangeListener;
65import android.view.ViewGroup;
66import android.view.Window;
67import android.view.WindowManager;
68import android.widget.FrameLayout;
69import android.widget.ImageView;
70import android.widget.ShareActionProvider;
71
72import com.android.camera.app.AppController;
73import com.android.camera.app.CameraAppUI;
74import com.android.camera.app.CameraController;
75import com.android.camera.app.CameraProvider;
76import com.android.camera.app.CameraServices;
77import com.android.camera.app.LocationManager;
78import com.android.camera.app.MemoryManager;
79import com.android.camera.app.MemoryQuery;
80import com.android.camera.app.ModuleManagerImpl;
81import com.android.camera.app.OrientationManager;
82import com.android.camera.app.OrientationManagerImpl;
83import com.android.camera.cameradevice.CameraManager;
84import com.android.camera.cameradevice.CameraManagerFactory;
85import com.android.camera.cameradevice.CameraSettings;
86import com.android.camera.data.CameraDataAdapter;
87import com.android.camera.data.FixedLastDataAdapter;
88import com.android.camera.data.LocalData;
89import com.android.camera.data.LocalDataAdapter;
90import com.android.camera.data.LocalDataUtil;
91import com.android.camera.data.LocalDataViewType;
92import com.android.camera.data.LocalMediaData;
93import com.android.camera.data.LocalMediaObserver;
94import com.android.camera.data.LocalSessionData;
95import com.android.camera.data.MediaDetails;
96import com.android.camera.data.MetadataLoader;
97import com.android.camera.data.PanoramaMetadataLoader;
98import com.android.camera.data.RgbzMetadataLoader;
99import com.android.camera.data.SimpleViewData;
100import com.android.camera.debug.Log;
101import com.android.camera.filmstrip.FilmstripContentPanel;
102import com.android.camera.filmstrip.FilmstripController;
103import com.android.camera.hardware.HardwareSpec;
104import com.android.camera.hardware.HardwareSpecImpl;
105import com.android.camera.module.ModuleController;
106import com.android.camera.module.ModulesInfo;
107import com.android.camera.session.CaptureSession;
108import com.android.camera.session.CaptureSessionManager;
109import com.android.camera.session.CaptureSessionManager.SessionListener;
110import com.android.camera.settings.CameraSettingsActivity;
111import com.android.camera.settings.SettingsManager;
112import com.android.camera.settings.SettingsManager.SettingsCapabilities;
113import com.android.camera.settings.SettingsUtil;
114import com.android.camera.tinyplanet.TinyPlanetFragment;
115import com.android.camera.ui.AbstractTutorialOverlay;
116import com.android.camera.ui.DetailsDialog;
117import com.android.camera.ui.MainActivityLayout;
118import com.android.camera.ui.ModeListView;
119import com.android.camera.ui.ModeListView.ModeListVisibilityChangedListener;
120import com.android.camera.ui.PreviewStatusListener;
121import com.android.camera.util.ApiHelper;
122import com.android.camera.util.Callback;
123import com.android.camera.util.CameraUtil;
124import com.android.camera.util.FeedbackHelper;
125import com.android.camera.util.GalleryHelper;
126import com.android.camera.util.GcamHelper;
127import com.android.camera.util.IntentHelper;
128import com.android.camera.util.PhotoSphereHelper.PanoramaViewHelper;
129import com.android.camera.util.ReleaseDialogHelper;
130import com.android.camera.util.UsageStatistics;
131import com.android.camera.widget.FilmstripView;
132import com.android.camera.widget.Preloader;
133import com.android.camera2.R;
134import com.bumptech.glide.Glide;
135import com.bumptech.glide.resize.ImageManager;
136import com.google.common.logging.eventprotos;
137import com.google.common.logging.eventprotos.ForegroundEvent.ForegroundSource;
138import com.google.common.logging.eventprotos.MediaInteraction;
139import com.google.common.logging.eventprotos.NavigationChange;
140
141import java.io.File;
142import java.io.FileInputStream;
143import java.io.FileNotFoundException;
144import java.lang.ref.WeakReference;
145import java.util.ArrayList;
146import java.util.HashMap;
147import java.util.List;
148import java.util.concurrent.Executors;
149
150public class CameraActivity extends Activity
151        implements AppController, CameraManager.CameraOpenCallback,
152        ActionBar.OnMenuVisibilityListener, ShareActionProvider.OnShareTargetSelectedListener,
153        OrientationManager.OnOrientationChangeListener {
154
155    private static final Log.Tag TAG = new Log.Tag("CameraActivity");
156
157    private static final String INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE =
158            "android.media.action.STILL_IMAGE_CAMERA_SECURE";
159    public static final String ACTION_IMAGE_CAPTURE_SECURE =
160            "android.media.action.IMAGE_CAPTURE_SECURE";
161
162    // The intent extra for camera from secure lock screen. True if the gallery
163    // should only show newly captured pictures. sSecureAlbumId does not
164    // increment. This is used when switching between camera, camcorder, and
165    // panorama. If the extra is not set, it is in the normal camera mode.
166    public static final String SECURE_CAMERA_EXTRA = "secure_camera";
167
168    /**
169     * Request code from an activity we started that indicated that we do not
170     * want to reset the view to the preview in onResume.
171     */
172    public static final int REQ_CODE_DONT_SWITCH_TO_PREVIEW = 142;
173
174    public static final int REQ_CODE_GCAM_DEBUG_POSTCAPTURE = 999;
175
176    private static final int MSG_CLEAR_SCREEN_ON_FLAG = 2;
177    private static final long SCREEN_DELAY_MS = 2 * 60 * 1000; // 2 mins.
178    private static final int MAX_PEEK_BITMAP_PIXELS = 1600000; // 1.6 * 4 MBs.
179    /** Load metadata for 10 items ahead of our current. */
180    private static final int FILMSTRIP_PRELOAD_AHEAD_ITEMS = 10;
181
182    /** Should be used wherever a context is needed. */
183    private Context mAppContext;
184
185    /**
186     * Whether onResume should reset the view to the preview.
187     */
188    private boolean mResetToPreviewOnResume = true;
189
190    /**
191     * This data adapter is used by FilmStripView.
192     */
193    private LocalDataAdapter mDataAdapter;
194
195    private SettingsManager mSettingsManager;
196    private ModeListView mModeListView;
197    private boolean mModeListVisible = false;
198    private int mCurrentModeIndex;
199    private CameraModule mCurrentModule;
200    private ModuleManagerImpl mModuleManager;
201    private FrameLayout mAboveFilmstripControlLayout;
202    private FilmstripController mFilmstripController;
203    private boolean mFilmstripVisible;
204    /** Whether the filmstrip fully covers the preview. */
205    private boolean mFilmstripCoversPreview = false;
206    private int mResultCodeForTesting;
207    private Intent mResultDataForTesting;
208    private OnScreenHint mStorageHint;
209    private final Object mStorageSpaceLock = new Object();
210    private long mStorageSpaceBytes = Storage.LOW_STORAGE_THRESHOLD_BYTES;
211    private boolean mAutoRotateScreen;
212    private boolean mSecureCamera;
213    private int mLastRawOrientation;
214    private OrientationManagerImpl mOrientationManager;
215    private LocationManager mLocationManager;
216    private ButtonManager mButtonManager;
217    private Handler mMainHandler;
218    private PanoramaViewHelper mPanoramaViewHelper;
219    private ActionBar mActionBar;
220    private ViewGroup mUndoDeletionBar;
221    private boolean mIsUndoingDeletion = false;
222
223    private final Uri[] mNfcPushUris = new Uri[1];
224
225    private LocalMediaObserver mLocalImagesObserver;
226    private LocalMediaObserver mLocalVideosObserver;
227
228    private boolean mPendingDeletion = false;
229
230    private CameraController mCameraController;
231    private boolean mPaused;
232    private CameraAppUI mCameraAppUI;
233
234    private PeekAnimationHandler mPeekAnimationHandler;
235    private HandlerThread mPeekAnimationThread;
236
237    private FeedbackHelper mFeedbackHelper;
238
239    private Intent mGalleryIntent;
240    private long mOnCreateTime;
241
242    private Menu mActionBarMenu;
243    private Preloader<Integer, AsyncTask> mPreloader;
244
245    private static final int LIGHTS_OUT_DELAY_MS = 4000;
246    private final int BASE_SYS_UI_VISIBILITY = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
247            | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
248    private final Runnable mLightsOutRunnable = new Runnable() {
249        @Override
250        public void run() {
251            getWindow().getDecorView().setSystemUiVisibility(
252                    BASE_SYS_UI_VISIBILITY | View.SYSTEM_UI_FLAG_LOW_PROFILE);
253        }
254    };
255    private MemoryManager mMemoryManager;
256
257    @Override
258    public CameraAppUI getCameraAppUI() {
259        return mCameraAppUI;
260    }
261
262    // close activity when screen turns off
263    private final BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() {
264        @Override
265        public void onReceive(Context context, Intent intent) {
266            finish();
267        }
268    };
269
270    /**
271     * Whether the screen is kept turned on.
272     */
273    private boolean mKeepScreenOn;
274    private int mLastLayoutOrientation;
275    private final CameraAppUI.BottomPanel.Listener mMyFilmstripBottomControlListener =
276            new CameraAppUI.BottomPanel.Listener() {
277
278                /**
279                 * If the current photo is a photo sphere, this will launch the
280                 * Photo Sphere panorama viewer.
281                 */
282                @Override
283                public void onExternalViewer() {
284                    if (mPanoramaViewHelper == null) {
285                        return;
286                    }
287                    final LocalData data = getCurrentLocalData();
288                    if (data == null) {
289                        return;
290                    }
291                    final Uri contentUri = data.getUri();
292                    if (contentUri == Uri.EMPTY) {
293                        return;
294                    }
295
296                    if (PanoramaMetadataLoader.isPanoramaAndUseViewer(data)) {
297                        mPanoramaViewHelper.showPanorama(CameraActivity.this, contentUri);
298                    } else if (RgbzMetadataLoader.hasRGBZData(data)) {
299                        mPanoramaViewHelper.showRgbz(contentUri);
300                        if (mSettingsManager.getBoolean(
301                                SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
302                            mSettingsManager.setBoolean(
303                                    SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING,
304                                    false);
305                            mCameraAppUI.clearClingForViewer(
306                                    CameraAppUI.BottomPanel.VIEWER_REFOCUS);
307                        }
308                    }
309                }
310
311                @Override
312                public void onEdit() {
313                    LocalData data = getCurrentLocalData();
314                    if (data == null) {
315                        return;
316                    }
317                    final int currentDataId = getCurrentDataId();
318                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
319                            MediaInteraction.InteractionType.EDIT,
320                            NavigationChange.InteractionCause.BUTTON,
321                            fileAgeFromDataID(currentDataId));
322                    launchEditor(data);
323                }
324
325                @Override
326                public void onTinyPlanet() {
327                    LocalData data = getCurrentLocalData();
328                    if (data == null) {
329                        return;
330                    }
331                    launchTinyPlanetEditor(data);
332                }
333
334                @Override
335                public void onDelete() {
336                    final int currentDataId = getCurrentDataId();
337                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
338                            MediaInteraction.InteractionType.DELETE,
339                            NavigationChange.InteractionCause.BUTTON,
340                            fileAgeFromDataID(currentDataId));
341                    removeData(currentDataId);
342                }
343
344                @Override
345                public void onShare() {
346                    final LocalData data = getCurrentLocalData();
347                    final int currentDataId = getCurrentDataId();
348                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
349                            MediaInteraction.InteractionType.SHARE,
350                            NavigationChange.InteractionCause.BUTTON,
351                            fileAgeFromDataID(currentDataId));
352                    // If applicable, show release information before this item
353                    // is shared.
354                    if (ReleaseDialogHelper.shouldShowReleaseInfoDialogOnShare(data)) {
355                        ReleaseDialogHelper.showReleaseInfoDialog(CameraActivity.this,
356                                new Callback<Void>() {
357                                    @Override
358                                    public void onCallback(Void result) {
359                                        share(data);
360                                    }
361                                });
362                    } else {
363                        share(data);
364                    }
365                }
366
367                private void share(LocalData data) {
368                    Intent shareIntent = getShareIntentByData(data);
369                    if (shareIntent != null) {
370                        try {
371                            launchActivityByIntent(shareIntent);
372                            mCameraAppUI.getFilmstripBottomControls().setShareEnabled(false);
373                        } catch (ActivityNotFoundException ex) {
374                            // Nothing.
375                        }
376                    }
377                }
378
379                private int getCurrentDataId() {
380                    return mFilmstripController.getCurrentId();
381                }
382
383                private LocalData getCurrentLocalData() {
384                    return mDataAdapter.getLocalData(getCurrentDataId());
385                }
386
387                /**
388                 * Sets up the share intent and NFC properly according to the
389                 * data.
390                 *
391                 * @param data The data to be shared.
392                 */
393                private Intent getShareIntentByData(final LocalData data) {
394                    Intent intent = null;
395                    final Uri contentUri = data.getUri();
396                    final String msgShareTo = getResources().getString(R.string.share_to);
397
398                    if (PanoramaMetadataLoader.isPanorama360(data) &&
399                            data.getUri() != Uri.EMPTY) {
400                        intent = new Intent(Intent.ACTION_SEND);
401                        intent.setType("application/vnd.google.panorama360+jpg");
402                        intent.putExtra(Intent.EXTRA_STREAM, contentUri);
403                    } else if (data.isDataActionSupported(LocalData.DATA_ACTION_SHARE)) {
404                        final String mimeType = data.getMimeType();
405                        intent = getShareIntentFromType(mimeType);
406                        if (intent != null) {
407                            intent.putExtra(Intent.EXTRA_STREAM, contentUri);
408                            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
409                        }
410                        intent = Intent.createChooser(intent, msgShareTo);
411                    }
412                    return intent;
413                }
414
415                /**
416                 * Get the share intent according to the mimeType
417                 *
418                 * @param mimeType The mimeType of current data.
419                 * @return the video/image's ShareIntent or null if mimeType is
420                 *         invalid.
421                 */
422                private Intent getShareIntentFromType(String mimeType) {
423                    // Lazily create the intent object.
424                    Intent intent = new Intent(Intent.ACTION_SEND);
425                    if (mimeType.startsWith("video/")) {
426                        intent.setType("video/*");
427                    } else {
428                        if (mimeType.startsWith("image/")) {
429                            intent.setType("image/*");
430                        } else {
431                            Log.w(TAG, "unsupported mimeType " + mimeType);
432                        }
433                    }
434                    return intent;
435                }
436
437                @Override
438                public void onProgressErrorClicked() {
439                    LocalData data = getCurrentLocalData();
440                    getServices().getCaptureSessionManager().removeErrorMessage(
441                            data.getUri());
442                    updateBottomControlsByData(data);
443                }
444            };
445
446    @Override
447    public void onCameraOpened(CameraManager.CameraProxy camera) {
448        if (mPaused) {
449            return;
450        }
451        /**
452         * The current UI requires that the flash option visibility in front-facing
453         * camera be
454         *   * disabled if back facing camera supports flash
455         *   * hidden if back facing camera does not support flash
456         * We save whether back facing camera supports flash because we cannot get
457         * this in front facing camera without a camera switch.
458         *
459         * If this preference is cleared, we also need to clear the camera facing
460         * setting so we default to opening the camera in back facing camera, and
461         * can save this flash support value again.
462         */
463        if (!mSettingsManager.isSet(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA)) {
464            HardwareSpec hardware = new HardwareSpecImpl(camera.getCapabilities());
465            mSettingsManager.setBoolean(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA,
466                hardware.isFlashSupported());
467        }
468
469        if (!mModuleManager.getModuleAgent(mCurrentModeIndex).requestAppForCamera()) {
470            // We shouldn't be here. Just close the camera and leave.
471            mCameraController.closeCamera(false);
472            throw new IllegalStateException("Camera opened but the module shouldn't be " +
473                    "requesting");
474        }
475        if (mCurrentModule != null) {
476            SettingsCapabilities capabilities =
477                    SettingsUtil.getSettingsCapabilities(camera);
478            mSettingsManager.changeCamera(camera.getCameraId(), capabilities);
479            resetExposureCompensationToDefault(camera);
480            mCurrentModule.onCameraAvailable(camera);
481        }
482        mCameraAppUI.onChangeCamera();
483    }
484
485    private void resetExposureCompensationToDefault(CameraManager.CameraProxy camera) {
486        // Reset the exposure compensation before handing the camera to module.
487        CameraSettings cameraSettings = camera.getSettings();
488        cameraSettings.setExposureCompensationIndex(0);
489        camera.applySettings(cameraSettings);
490    }
491
492    @Override
493    public void onCameraDisabled(int cameraId) {
494        UsageStatistics.instance().cameraFailure(eventprotos.CameraFailure.FailureReason.SECURITY,
495                null);
496        Log.w(TAG, "Camera disabled: " + cameraId);
497        CameraUtil.showErrorAndFinish(this, R.string.camera_disabled);
498    }
499
500    @Override
501    public void onDeviceOpenFailure(int cameraId, String info) {
502        UsageStatistics.instance().cameraFailure(
503                eventprotos.CameraFailure.FailureReason.OPEN_FAILURE, info);
504        Log.w(TAG, "Camera open failure: " + info);
505        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
506    }
507
508    @Override
509    public void onDeviceOpenedAlready(int cameraId, String info) {
510        Log.w(TAG, "Camera open already: " + cameraId + "," + info);
511        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
512    }
513
514    @Override
515    public void onReconnectionFailure(CameraManager mgr, String info) {
516        UsageStatistics.instance().cameraFailure(
517                eventprotos.CameraFailure.FailureReason.RECONNECT_FAILURE, null);
518        Log.w(TAG, "Camera reconnection failure:" + info);
519        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
520    }
521
522    private static class MainHandler extends Handler {
523        final WeakReference<CameraActivity> mActivity;
524
525        public MainHandler(CameraActivity activity, Looper looper) {
526            super(looper);
527            mActivity = new WeakReference<CameraActivity>(activity);
528        }
529
530        @Override
531        public void handleMessage(Message msg) {
532            CameraActivity activity = mActivity.get();
533            if (activity == null) {
534                return;
535            }
536            switch (msg.what) {
537
538                case MSG_CLEAR_SCREEN_ON_FLAG: {
539                    if (!activity.mPaused) {
540                        activity.getWindow().clearFlags(
541                                WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
542                    }
543                    break;
544                }
545            }
546        }
547    }
548
549    private String fileNameFromDataID(int dataID) {
550        final LocalData localData = mDataAdapter.getLocalData(dataID);
551
552        File localFile = new File(localData.getPath());
553        return localFile.getName();
554    }
555
556    private float fileAgeFromDataID(int dataID) {
557        final LocalData localData = mDataAdapter.getLocalData(dataID);
558
559        File localFile = new File(localData.getPath());
560        return 0.001f * (System.currentTimeMillis() - localFile.lastModified());
561    }
562
563    private final FilmstripContentPanel.Listener mFilmstripListener =
564            new FilmstripContentPanel.Listener() {
565
566                @Override
567                public void onSwipeOut() {
568                }
569
570                @Override
571                public void onSwipeOutBegin() {
572                    mActionBar.hide();
573                    mFilmstripCoversPreview = false;
574                    updatePreviewVisibility();
575                }
576
577                @Override
578                public void onFilmstripHidden() {
579                    mFilmstripVisible = false;
580                    UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
581                            NavigationChange.InteractionCause.SWIPE_RIGHT);
582                    CameraActivity.this.setFilmstripUiVisibility(false);
583                    // When the user hide the filmstrip (either swipe out or
584                    // tap on back key) we move to the first item so next time
585                    // when the user swipe in the filmstrip, the most recent
586                    // one is shown.
587                    mFilmstripController.goToFirstItem();
588                }
589
590                @Override
591                public void onFilmstripShown() {
592                    mFilmstripVisible = true;
593                    UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
594                            NavigationChange.InteractionCause.SWIPE_LEFT);
595                    updateUiByData(mFilmstripController.getCurrentId());
596                }
597
598                @Override
599                public void onFocusedDataLongPressed(int dataId) {
600                    // Do nothing.
601                }
602
603                @Override
604                public void onFocusedDataPromoted(int dataID) {
605                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(dataID),
606                            MediaInteraction.InteractionType.DELETE,
607                            NavigationChange.InteractionCause.SWIPE_UP, fileAgeFromDataID(dataID));
608                    removeData(dataID);
609                }
610
611                @Override
612                public void onFocusedDataDemoted(int dataID) {
613                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(dataID),
614                            MediaInteraction.InteractionType.DELETE,
615                            NavigationChange.InteractionCause.SWIPE_DOWN,
616                            fileAgeFromDataID(dataID));
617                    removeData(dataID);
618                }
619
620                @Override
621                public void onEnterFullScreenUiShown(int dataId) {
622                    if (mFilmstripVisible) {
623                        CameraActivity.this.setFilmstripUiVisibility(true);
624                    }
625                }
626
627                @Override
628                public void onLeaveFullScreenUiShown(int dataId) {
629                    // Do nothing.
630                }
631
632                @Override
633                public void onEnterFullScreenUiHidden(int dataId) {
634                    if (mFilmstripVisible) {
635                        CameraActivity.this.setFilmstripUiVisibility(false);
636                    }
637                }
638
639                @Override
640                public void onLeaveFullScreenUiHidden(int dataId) {
641                    // Do nothing.
642                }
643
644                @Override
645                public void onEnterFilmstrip(int dataId) {
646                    if (mFilmstripVisible) {
647                        CameraActivity.this.setFilmstripUiVisibility(true);
648                    }
649                }
650
651                @Override
652                public void onLeaveFilmstrip(int dataId) {
653                    // Do nothing.
654                }
655
656                @Override
657                public void onDataReloaded() {
658                    if (!mFilmstripVisible) {
659                        return;
660                    }
661                    updateUiByData(mFilmstripController.getCurrentId());
662                }
663
664                @Override
665                public void onDataUpdated(int dataId) {
666                    if (!mFilmstripVisible) {
667                        return;
668                    }
669                    updateUiByData(mFilmstripController.getCurrentId());
670                }
671
672                @Override
673                public void onEnterZoomView(int dataID) {
674                    if (mFilmstripVisible) {
675                        CameraActivity.this.setFilmstripUiVisibility(false);
676                    }
677                }
678
679                @Override
680                public void onDataFocusChanged(final int prevDataId, final int newDataId) {
681                    if (!mFilmstripVisible) {
682                        return;
683                    }
684                    // TODO: This callback is UI event callback, should always
685                    // happen on UI thread. Find the reason for this
686                    // runOnUiThread() and fix it.
687                    runOnUiThread(new Runnable() {
688                        @Override
689                        public void run() {
690                            updateUiByData(newDataId);
691                        }
692                    });
693                }
694
695                @Override
696                public void onScroll(int firstVisiblePosition, int visibleItemCount, int totalItemCount) {
697                    mPreloader.onScroll(null /*absListView*/, firstVisiblePosition, visibleItemCount, totalItemCount);
698                }
699            };
700
701    private final LocalDataAdapter.LocalDataListener mLocalDataListener =
702            new LocalDataAdapter.LocalDataListener() {
703                @Override
704                public void onMetadataUpdated(List<Integer> updatedData) {
705                    if (mPaused) {
706                        // Callback after the activity is paused.
707                        return;
708                    }
709                    int currentDataId = mFilmstripController.getCurrentId();
710                    for (Integer dataId : updatedData) {
711                        if (dataId == currentDataId) {
712                            updateBottomControlsByData(mDataAdapter.getLocalData(dataId));
713                            // Currently we have only 1 data can be matched.
714                            // No need to look for more, break.
715                            break;
716                        }
717                    }
718                }
719            };
720
721    public void gotoGallery() {
722        UsageStatistics.instance().changeScreen(NavigationChange.Mode.FILMSTRIP,
723                NavigationChange.InteractionCause.BUTTON);
724
725        mFilmstripController.goToNextItem();
726    }
727
728    /**
729     * If 'visible' is false, this hides the action bar. Also maintains
730     * lights-out at all times.
731     *
732     * @param visible is false, this hides the action bar and filmstrip bottom
733     *            controls.
734     */
735    private void setFilmstripUiVisibility(boolean visible) {
736        mLightsOutRunnable.run();
737        mCameraAppUI.getFilmstripBottomControls().setVisible(visible);
738        if (visible != mActionBar.isShowing()) {
739            if (visible) {
740                mActionBar.show();
741            } else {
742                mActionBar.hide();
743            }
744        }
745        mFilmstripCoversPreview = visible;
746        updatePreviewVisibility();
747    }
748
749    private void hideSessionProgress() {
750        mCameraAppUI.getFilmstripBottomControls().hideProgress();
751    }
752
753    private void showSessionProgress(CharSequence message) {
754        CameraAppUI.BottomPanel controls = mCameraAppUI.getFilmstripBottomControls();
755        controls.setProgressText(message);
756        controls.hideControls();
757        controls.hideProgressError();
758        controls.showProgress();
759    }
760
761    private void showProcessError(CharSequence message) {
762        mCameraAppUI.getFilmstripBottomControls().showProgressError(message);
763    }
764
765    private void updateSessionProgress(int progress) {
766        mCameraAppUI.getFilmstripBottomControls().setProgress(progress);
767    }
768
769    private void updateSessionProgressText(CharSequence message) {
770        mCameraAppUI.getFilmstripBottomControls().setProgressText(message);
771    }
772
773    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
774    private void setupNfcBeamPush() {
775        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mAppContext);
776        if (adapter == null) {
777            return;
778        }
779
780        if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) {
781            // Disable beaming
782            adapter.setNdefPushMessage(null, CameraActivity.this);
783            return;
784        }
785
786        adapter.setBeamPushUris(null, CameraActivity.this);
787        adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
788            @Override
789            public Uri[] createBeamUris(NfcEvent event) {
790                return mNfcPushUris;
791            }
792        }, CameraActivity.this);
793    }
794
795    @Override
796    public void onMenuVisibilityChanged(boolean isVisible) {
797        // TODO: Remove this or bring back the original implementation: cancel
798        // auto-hide actionbar.
799    }
800
801    @Override
802    public boolean onShareTargetSelected(ShareActionProvider shareActionProvider, Intent intent) {
803        int currentDataId = mFilmstripController.getCurrentId();
804        if (currentDataId < 0) {
805            return false;
806        }
807        UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
808                MediaInteraction.InteractionType.SHARE,
809                NavigationChange.InteractionCause.BUTTON, fileAgeFromDataID(currentDataId));
810        // TODO add intent.getComponent().getPackageName()
811        return true;
812    }
813
814    // Note: All callbacks come back on the main thread.
815    private final SessionListener mSessionListener =
816            new SessionListener() {
817                @Override
818                public void onSessionQueued(final Uri uri) {
819                    if (!Storage.isSessionUri(uri)) {
820                        return;
821                    }
822                    LocalSessionData newData = new LocalSessionData(uri);
823                    mDataAdapter.addData(newData);
824                }
825
826                @Override
827                public void onSessionDone(final Uri sessionUri) {
828                    Log.v(TAG, "onSessionDone:" + sessionUri);
829                    Uri contentUri = Storage.getContentUriForSessionUri(sessionUri);
830                    if (contentUri == null) {
831                        mDataAdapter.refresh(sessionUri);
832                        return;
833                    }
834                    LocalData newData = LocalMediaData.PhotoData.fromContentUri(
835                            getContentResolver(), contentUri);
836
837                    final int pos = mDataAdapter.findDataByContentUri(sessionUri);
838                    if (pos == -1) {
839                        // We do not have a placeholder for this image, perhaps
840                        // due to the activity crashing or being killed.
841                        mDataAdapter.addData(newData);
842                    } else {
843                        mDataAdapter.updateData(pos, newData);
844                    }
845                }
846
847                @Override
848                public void onSessionProgress(final Uri uri, final int progress) {
849                    if (progress < 0) {
850                        // Do nothing, there is no task for this URI.
851                        return;
852                    }
853                    int currentDataId = mFilmstripController.getCurrentId();
854                    if (currentDataId == -1) {
855                        return;
856                    }
857                    if (uri.equals(
858                            mDataAdapter.getLocalData(currentDataId).getUri())) {
859                        updateSessionProgress(progress);
860                    }
861                }
862
863                @Override
864                public void onSessionProgressText(final Uri uri, final CharSequence message) {
865                    int currentDataId = mFilmstripController.getCurrentId();
866                    if (currentDataId == -1) {
867                        return;
868                    }
869                    if (uri.equals(
870                            mDataAdapter.getLocalData(currentDataId).getUri())) {
871                        updateSessionProgressText(message);
872                    }
873                }
874
875                @Override
876                public void onSessionUpdated(Uri uri) {
877                    mDataAdapter.refresh(uri);
878                }
879
880                @Override
881                public void onSessionPreviewAvailable(Uri uri) {
882                    mDataAdapter.refresh(uri);
883                    int dataId = mDataAdapter.findDataByContentUri(uri);
884                    if (dataId != -1) {
885                        startPeekAnimation(mDataAdapter.getLocalData(dataId),
886                                mCurrentModule.getPeekAccessibilityString());
887                    }
888                }
889
890                @Override
891                public void onSessionFailed(Uri uri, CharSequence reason) {
892                    Log.v(TAG, "onSessionFailed:" + uri);
893
894                    int failedDataId = mDataAdapter.findDataByContentUri(uri);
895                    int currentDataId = mFilmstripController.getCurrentId();
896
897                    if (currentDataId == failedDataId) {
898                        updateSessionProgress(0);
899                        showProcessError(reason);
900                    }
901                    // HERE
902                    mDataAdapter.refresh(uri);
903                }
904            };
905
906    @Override
907    public Context getAndroidContext() {
908        return mAppContext;
909    }
910
911    @Override
912    public void launchActivityByIntent(Intent intent) {
913        startActivityForResult(intent, REQ_CODE_DONT_SWITCH_TO_PREVIEW);
914    }
915
916    @Override
917    public int getCurrentModuleIndex() {
918        return mCurrentModeIndex;
919    }
920
921    @Override
922    public ModuleController getCurrentModuleController() {
923        return mCurrentModule;
924    }
925
926    @Override
927    public int getQuickSwitchToModuleId(int currentModuleIndex) {
928        return mModuleManager.getQuickSwitchToModuleId(currentModuleIndex, mSettingsManager,
929                mAppContext);
930    }
931
932    @Override
933    public SurfaceTexture getPreviewBuffer() {
934        // TODO: implement this
935        return null;
936    }
937
938    @Override
939    public void onPreviewReadyToStart() {
940        mCameraAppUI.onPreviewReadyToStart();
941    }
942
943    @Override
944    public void onPreviewStarted() {
945        mCameraAppUI.onPreviewStarted();
946    }
947
948    @Override
949    public void addPreviewAreaSizeChangedListener(
950            PreviewStatusListener.PreviewAreaChangedListener listener) {
951        mCameraAppUI.addPreviewAreaChangedListener(listener);
952    }
953
954    @Override
955    public void removePreviewAreaSizeChangedListener(
956            PreviewStatusListener.PreviewAreaChangedListener listener) {
957        mCameraAppUI.removePreviewAreaChangedListener(listener);
958    }
959
960    @Override
961    public void setupOneShotPreviewListener() {
962        mCameraController.setOneShotPreviewCallback(mMainHandler,
963                new CameraManager.CameraPreviewDataCallback() {
964                    @Override
965                    public void onPreviewFrame(byte[] data, CameraManager.CameraProxy camera) {
966                        mCurrentModule.onPreviewInitialDataReceived();
967                        mCameraAppUI.onNewPreviewFrame();
968                    }
969                }
970        );
971    }
972
973    @Override
974    public void updatePreviewAspectRatio(float aspectRatio) {
975        mCameraAppUI.updatePreviewAspectRatio(aspectRatio);
976    }
977
978    @Override
979    public void updatePreviewTransformFullscreen(Matrix matrix, float aspectRatio) {
980        mCameraAppUI.updatePreviewTransformFullscreen(matrix, aspectRatio);
981    }
982
983    @Override
984    public RectF getFullscreenRect() {
985        return mCameraAppUI.getFullscreenRect();
986    }
987
988    @Override
989    public void updatePreviewTransform(Matrix matrix) {
990        mCameraAppUI.updatePreviewTransform(matrix);
991    }
992
993    @Override
994    public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) {
995        mCameraAppUI.setPreviewStatusListener(previewStatusListener);
996    }
997
998    @Override
999    public FrameLayout getModuleLayoutRoot() {
1000        return mCameraAppUI.getModuleRootView();
1001    }
1002
1003    @Override
1004    public void setShutterEventsListener(ShutterEventsListener listener) {
1005        // TODO: implement this
1006    }
1007
1008    @Override
1009    public void setShutterEnabled(boolean enabled) {
1010        mCameraAppUI.setShutterButtonEnabled(enabled);
1011    }
1012
1013    @Override
1014    public boolean isShutterEnabled() {
1015        return mCameraAppUI.isShutterButtonEnabled();
1016    }
1017
1018    @Override
1019    public void startPreCaptureAnimation() {
1020        mCameraAppUI.startPreCaptureAnimation();
1021    }
1022
1023    @Override
1024    public void cancelPreCaptureAnimation() {
1025        // TODO: implement this
1026    }
1027
1028    @Override
1029    public void startPostCaptureAnimation() {
1030        // TODO: implement this
1031    }
1032
1033    @Override
1034    public void startPostCaptureAnimation(Bitmap thumbnail) {
1035        // TODO: implement this
1036    }
1037
1038    @Override
1039    public void cancelPostCaptureAnimation() {
1040        // TODO: implement this
1041    }
1042
1043    @Override
1044    public OrientationManager getOrientationManager() {
1045        return mOrientationManager;
1046    }
1047
1048    @Override
1049    public LocationManager getLocationManager() {
1050        return mLocationManager;
1051    }
1052
1053    @Override
1054    public void lockOrientation() {
1055        if (mOrientationManager != null) {
1056            mOrientationManager.lockOrientation();
1057        }
1058    }
1059
1060    @Override
1061    public void unlockOrientation() {
1062        if (mOrientationManager != null) {
1063            mOrientationManager.unlockOrientation();
1064        }
1065    }
1066
1067    /**
1068     * Starts the filmstrip peek animation if the filmstrip is not visible.
1069     * Only {@link LocalData#LOCAL_IMAGE}, {@link
1070     * LocalData#LOCAL_IN_PROGRESS_DATA} and {@link
1071     * LocalData#LOCAL_VIDEO} are supported.
1072     *
1073     * @param data The data to peek.
1074     * @param accessibilityString Accessibility string to announce on peek animation.
1075     */
1076    private void startPeekAnimation(final LocalData data, final String accessibilityString) {
1077        if (mFilmstripVisible || mPeekAnimationHandler == null) {
1078            return;
1079        }
1080
1081        int dataType = data.getLocalDataType();
1082        if (dataType != LocalData.LOCAL_IMAGE && dataType != LocalData.LOCAL_IN_PROGRESS_DATA &&
1083                dataType != LocalData.LOCAL_VIDEO) {
1084            return;
1085        }
1086
1087        mPeekAnimationHandler.startDecodingJob(data, new Callback<Bitmap>() {
1088            @Override
1089            public void onCallback(Bitmap result) {
1090                mCameraAppUI.startPeekAnimation(result, true, accessibilityString);
1091            }
1092        });
1093    }
1094
1095    @Override
1096    public void notifyNewMedia(Uri uri) {
1097        updateStorageSpaceAndHint(null);
1098        ContentResolver cr = getContentResolver();
1099        String mimeType = cr.getType(uri);
1100        LocalData newData = null;
1101        if (LocalDataUtil.isMimeTypeVideo(mimeType)) {
1102            sendBroadcast(new Intent(CameraUtil.ACTION_NEW_VIDEO, uri));
1103            newData = LocalMediaData.VideoData.fromContentUri(getContentResolver(), uri);
1104            if (newData == null) {
1105                Log.e(TAG, "Can't find video data in content resolver:" + uri);
1106                return;
1107            }
1108        } else if (LocalDataUtil.isMimeTypeImage(mimeType)) {
1109            CameraUtil.broadcastNewPicture(mAppContext, uri);
1110            newData = LocalMediaData.PhotoData.fromContentUri(getContentResolver(), uri);
1111            if (newData == null) {
1112                Log.e(TAG, "Can't find photo data in content resolver:" + uri);
1113                return;
1114            }
1115        } else {
1116            Log.w(TAG, "Unknown new media with MIME type:" + mimeType + ", uri:" + uri);
1117            return;
1118        }
1119        // We are preloading the metadata for new video since we need the
1120        // rotation info for the thumbnail.
1121        new AsyncTask<LocalData, Void, LocalData>() {
1122            @Override
1123            protected LocalData doInBackground(LocalData... params) {
1124                LocalData data = params[0];
1125                MetadataLoader.loadMetadata(getAndroidContext(), data);
1126                return data;
1127            }
1128
1129            @Override
1130            protected void onPostExecute(LocalData data) {
1131                if (mDataAdapter.addData(data)) {
1132                    startPeekAnimation(data, mCurrentModule.getPeekAccessibilityString());
1133                }
1134            }
1135        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, newData);
1136    }
1137
1138    @Override
1139    public void enableKeepScreenOn(boolean enabled) {
1140        if (mPaused) {
1141            return;
1142        }
1143
1144        mKeepScreenOn = enabled;
1145        if (mKeepScreenOn) {
1146            mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
1147            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
1148        } else {
1149            keepScreenOnForAWhile();
1150        }
1151    }
1152
1153    @Override
1154    public CameraProvider getCameraProvider() {
1155        return mCameraController;
1156    }
1157
1158    private void removeData(int dataID) {
1159        mDataAdapter.removeData(dataID);
1160        if (mDataAdapter.getTotalNumber() > 1) {
1161            showUndoDeletionBar();
1162        } else {
1163            // If camera preview is the only view left in filmstrip,
1164            // no need to show undo bar.
1165            mPendingDeletion = true;
1166            performDeletion();
1167            if (mFilmstripVisible) {
1168                mCameraAppUI.getFilmstripContentPanel().animateHide();
1169            }
1170        }
1171    }
1172
1173    @Override
1174    public boolean onOptionsItemSelected(MenuItem item) {
1175        // Handle presses on the action bar items
1176        switch (item.getItemId()) {
1177            case android.R.id.home:
1178                if (mFilmstripVisible && startGallery()) {
1179                    return true;
1180                }
1181                onBackPressed();
1182                return true;
1183            case R.id.action_details:
1184                showDetailsDialog(mFilmstripController.getCurrentId());
1185                return true;
1186            default:
1187                return super.onOptionsItemSelected(item);
1188        }
1189    }
1190
1191    private boolean isCaptureIntent() {
1192        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())
1193                || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())
1194                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1195            return true;
1196        } else {
1197            return false;
1198        }
1199    }
1200
1201    private final CameraManager.CameraExceptionCallback mCameraDefaultExceptionCallback
1202        = new CameraManager.CameraExceptionCallback() {
1203                @Override
1204                public void onCameraException(RuntimeException e) {
1205                    Log.e(TAG, "Camera Exception", e);
1206                    CameraUtil.showErrorAndFinish(CameraActivity.this,
1207                            R.string.cannot_connect_camera);
1208                }
1209            };
1210
1211    @Override
1212    public void onCreate(Bundle state) {
1213        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_START);
1214
1215        super.onCreate(state);
1216        final Glide glide = Glide.get();
1217        if (!glide.isImageManagerSet()) {
1218            // We load exclusively large images, so we want fewer threads to minimize jank.
1219            glide.setImageManager(new ImageManager.Builder(getApplicationContext())
1220                    .setResizeService(Executors.newSingleThreadExecutor()));
1221        }
1222
1223        mOnCreateTime = System.currentTimeMillis();
1224        mAppContext = getApplicationContext();
1225        mSettingsManager = new SettingsManager(mAppContext, this);
1226        GcamHelper.init(getContentResolver());
1227
1228        getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
1229        setContentView(R.layout.activity_main);
1230        mActionBar = getActionBar();
1231        mActionBar.addOnMenuVisibilityListener(this);
1232        mMainHandler = new MainHandler(this, getMainLooper());
1233        mCameraController =
1234                new CameraController(mAppContext, this, mMainHandler,
1235                        CameraManagerFactory.getAndroidCameraManager());
1236        mCameraController.setCameraDefaultExceptionCallback(mCameraDefaultExceptionCallback,
1237                mMainHandler);
1238
1239        // TODO: Try to move all the resources allocation to happen as soon as
1240        // possible so we can call module.init() at the earliest time.
1241        mModuleManager = new ModuleManagerImpl();
1242        ModulesInfo.setupModules(mAppContext, mModuleManager);
1243
1244        mModeListView = (ModeListView) findViewById(R.id.mode_list_layout);
1245        mModeListView.init(mModuleManager.getSupportedModeIndexList());
1246        if (ApiHelper.HAS_ROTATION_ANIMATION) {
1247            setRotationAnimation();
1248        }
1249        mModeListView.setVisibilityChangedListener(new ModeListVisibilityChangedListener() {
1250            @Override
1251            public void onVisibilityChanged(boolean visible) {
1252                mModeListVisible = visible;
1253                updatePreviewVisibility();
1254            }
1255        });
1256
1257        // Check if this is in the secure camera mode.
1258        Intent intent = getIntent();
1259        String action = intent.getAction();
1260        if (INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)
1261                || ACTION_IMAGE_CAPTURE_SECURE.equals(action)) {
1262            mSecureCamera = true;
1263        } else {
1264            mSecureCamera = intent.getBooleanExtra(SECURE_CAMERA_EXTRA, false);
1265        }
1266
1267        if (mSecureCamera) {
1268            // Foreground event caused by lock screen startup.
1269            // It is necessary to log this in onCreate, to avoid the
1270            // onResume->onPause->onResume sequence.
1271            UsageStatistics.instance().foregrounded(ForegroundSource.ACTION_IMAGE_CAPTURE_SECURE,
1272                    currentUserInterfaceMode());
1273
1274            // Change the window flags so that secure camera can show when
1275            // locked
1276            Window win = getWindow();
1277            WindowManager.LayoutParams params = win.getAttributes();
1278            params.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
1279            win.setAttributes(params);
1280
1281            // Filter for screen off so that we can finish secure camera
1282            // activity
1283            // when screen is off.
1284            IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
1285            registerReceiver(mScreenOffReceiver, filter);
1286        }
1287        mCameraAppUI = new CameraAppUI(this,
1288                (MainActivityLayout) findViewById(R.id.activity_root_view), isCaptureIntent());
1289
1290        mCameraAppUI.setFilmstripBottomControlsListener(mMyFilmstripBottomControlListener);
1291
1292        mAboveFilmstripControlLayout =
1293                (FrameLayout) findViewById(R.id.camera_filmstrip_content_layout);
1294
1295        // Add the session listener so we can track the session progress
1296        // updates.
1297        getServices().getCaptureSessionManager().addSessionListener(mSessionListener);
1298        mFilmstripController = ((FilmstripView) findViewById(R.id.filmstrip_view)).getController();
1299        mFilmstripController.setImageGap(
1300                getResources().getDimensionPixelSize(R.dimen.camera_film_strip_gap));
1301        mPanoramaViewHelper = new PanoramaViewHelper(this);
1302        mPanoramaViewHelper.onCreate();
1303        // Set up the camera preview first so the preview shows up ASAP.
1304        mDataAdapter = new CameraDataAdapter(mAppContext, R.color.photo_placeholder);
1305        mDataAdapter.setLocalDataListener(mLocalDataListener);
1306
1307        mPreloader = new Preloader<Integer, AsyncTask>(FILMSTRIP_PRELOAD_AHEAD_ITEMS, mDataAdapter,
1308                mDataAdapter);
1309
1310        mCameraAppUI.getFilmstripContentPanel().setFilmstripListener(mFilmstripListener);
1311        if (mSettingsManager.getBoolean(SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
1312            mCameraAppUI.setupClingForViewer(CameraAppUI.BottomPanel.VIEWER_REFOCUS);
1313        }
1314
1315        mLocationManager = new LocationManager(mAppContext);
1316
1317        mOrientationManager = new OrientationManagerImpl(this);
1318        mOrientationManager.addOnOrientationChangeListener(mMainHandler, this);
1319
1320        setModuleFromModeIndex(getModeIndex());
1321        mCameraAppUI.prepareModuleUI();
1322        mCurrentModule.init(this, isSecureCamera(), isCaptureIntent());
1323
1324        if (!mSecureCamera) {
1325            mFilmstripController.setDataAdapter(mDataAdapter);
1326            if (!isCaptureIntent()) {
1327                mDataAdapter.requestLoad(new Callback<Void>() {
1328                    @Override
1329                    public void onCallback(Void result) {
1330                        fillTemporarySessions();
1331                    }
1332                });
1333            }
1334        } else {
1335            // Put a lock placeholder as the last image by setting its date to
1336            // 0.
1337            ImageView v = (ImageView) getLayoutInflater().inflate(
1338                    R.layout.secure_album_placeholder, null);
1339            v.setTag(R.id.mediadata_tag_viewtype, LocalDataViewType.SECURE_ALBUM_PLACEHOLDER.ordinal());
1340            v.setOnClickListener(new View.OnClickListener() {
1341                @Override
1342                public void onClick(View view) {
1343                    UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
1344                            NavigationChange.InteractionCause.BUTTON);
1345                    startGallery();
1346                    finish();
1347                }
1348            });
1349            v.setContentDescription(getString(R.string.accessibility_unlock_to_camera));
1350            mDataAdapter = new FixedLastDataAdapter(
1351                    mAppContext,
1352                    mDataAdapter,
1353                    new SimpleViewData(
1354                            v,
1355                            LocalDataViewType.SECURE_ALBUM_PLACEHOLDER,
1356                            v.getDrawable().getIntrinsicWidth(),
1357                            v.getDrawable().getIntrinsicHeight(),
1358                            0, 0));
1359            // Flush out all the original data.
1360            mDataAdapter.flush();
1361            mFilmstripController.setDataAdapter(mDataAdapter);
1362        }
1363
1364        setupNfcBeamPush();
1365
1366        mLocalImagesObserver = new LocalMediaObserver();
1367        mLocalVideosObserver = new LocalMediaObserver();
1368
1369        getContentResolver().registerContentObserver(
1370                MediaStore.Images.Media.EXTERNAL_CONTENT_URI, true,
1371                mLocalImagesObserver);
1372        getContentResolver().registerContentObserver(
1373                MediaStore.Video.Media.EXTERNAL_CONTENT_URI, true,
1374                mLocalVideosObserver);
1375        if (FeedbackHelper.feedbackAvailable()) {
1376            mFeedbackHelper = new FeedbackHelper(mAppContext);
1377        }
1378        mMemoryManager = getServices().getMemoryManager();
1379
1380        AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
1381            @Override
1382            public void run() {
1383                HashMap memoryData = mMemoryManager.queryMemory();
1384                UsageStatistics.instance().reportMemoryConsumed(memoryData,
1385                        MemoryQuery.REPORT_LABEL_LAUNCH);
1386            }
1387        });
1388    }
1389
1390    /**
1391     * Get the current mode index from the Intent or from persistent
1392     * settings.
1393     */
1394    public int getModeIndex() {
1395        int modeIndex = -1;
1396        int photoIndex = getResources().getInteger(R.integer.camera_mode_photo);
1397        int videoIndex = getResources().getInteger(R.integer.camera_mode_video);
1398        int gcamIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1399        if (MediaStore.INTENT_ACTION_VIDEO_CAMERA.equals(getIntent().getAction())
1400                || MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())) {
1401            modeIndex = videoIndex;
1402        } else if (MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())) {
1403            // Capture intent.
1404            modeIndex = photoIndex;
1405        } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA.equals(getIntent().getAction())
1406                ||MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(getIntent()
1407                        .getAction())
1408                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1409            modeIndex = mSettingsManager.getInt(
1410                SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX);
1411
1412            // For upgraders who have not seen the aspect ratio selection screen,
1413            // we need to drop them back in the photo module and have them select
1414            // aspect ratio.
1415            // TODO: Move this to SettingsManager as an upgrade procedure.
1416            if (!mSettingsManager.getBoolean(SettingsManager.SETTING_USER_SELECTED_ASPECT_RATIO)) {
1417                modeIndex = photoIndex;
1418            }
1419        } else {
1420            // If the activity has not been started using an explicit intent,
1421            // read the module index from the last time the user changed modes
1422            modeIndex = mSettingsManager.getInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX);
1423            if ((modeIndex == gcamIndex &&
1424                    !GcamHelper.hasGcamCapture()) || modeIndex < 0) {
1425                modeIndex = photoIndex;
1426            }
1427        }
1428        return modeIndex;
1429    }
1430
1431    /**
1432     * Call this whenever the mode drawer or filmstrip change the visibility
1433     * state.
1434     */
1435    private void updatePreviewVisibility() {
1436        if (mCurrentModule == null) {
1437            return;
1438        }
1439
1440        int visibility = getPreviewVisibility();
1441        mCameraAppUI.onPreviewVisiblityChanged(visibility);
1442        updatePreviewRendering(visibility);
1443        mCurrentModule.onPreviewVisibilityChanged(visibility);
1444    }
1445
1446    private void updatePreviewRendering(int visibility) {
1447        if (visibility == ModuleController.VISIBILITY_HIDDEN) {
1448            mCameraAppUI.pausePreviewRendering();
1449        } else {
1450            mCameraAppUI.resumePreviewRendering();
1451        }
1452    }
1453
1454    private int getPreviewVisibility() {
1455        if (mFilmstripCoversPreview) {
1456            return ModuleController.VISIBILITY_HIDDEN;
1457        } else if (mModeListVisible){
1458            return ModuleController.VISIBILITY_COVERED;
1459        } else {
1460            return ModuleController.VISIBILITY_VISIBLE;
1461        }
1462    }
1463
1464    private void setRotationAnimation() {
1465        int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
1466        rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
1467        Window win = getWindow();
1468        WindowManager.LayoutParams winParams = win.getAttributes();
1469        winParams.rotationAnimation = rotationAnimation;
1470        win.setAttributes(winParams);
1471    }
1472
1473    @Override
1474    public void onUserInteraction() {
1475        super.onUserInteraction();
1476        if (!isFinishing()) {
1477            keepScreenOnForAWhile();
1478        }
1479    }
1480
1481    @Override
1482    public boolean dispatchTouchEvent(MotionEvent ev) {
1483        boolean result = super.dispatchTouchEvent(ev);
1484        if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
1485            // Real deletion is postponed until the next user interaction after
1486            // the gesture that triggers deletion. Until real deletion is
1487            // performed, users can click the undo button to bring back the
1488            // image that they chose to delete.
1489            if (mPendingDeletion && !mIsUndoingDeletion) {
1490                performDeletion();
1491            }
1492        }
1493        return result;
1494    }
1495
1496    @Override
1497    public void onPause() {
1498        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_PAUSE);
1499
1500        /*
1501         * Save the last module index after all secure camera and icon launches,
1502         * not just on mode switches.
1503         *
1504         * Right now we exclude capture intents from this logic, because we also
1505         * ignore the cross-Activity recovery logic in onStart for capture intents.
1506         */
1507        if (!isCaptureIntent()) {
1508            mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX,
1509                mCurrentModeIndex);
1510        }
1511
1512        mPaused = true;
1513        mPeekAnimationHandler = null;
1514        mPeekAnimationThread.quitSafely();
1515        mPeekAnimationThread = null;
1516
1517        // Delete photos that are pending deletion
1518        performDeletion();
1519        mCurrentModule.pause();
1520        mOrientationManager.pause();
1521        // Close the camera and wait for the operation done.
1522        mCameraController.closeCamera(true);
1523        mPanoramaViewHelper.onPause();
1524
1525        mLocalImagesObserver.setForegroundChangeListener(null);
1526        mLocalImagesObserver.setActivityPaused(true);
1527        mLocalVideosObserver.setActivityPaused(true);
1528        mPreloader.cancelAllLoads();
1529        resetScreenOn();
1530
1531        UsageStatistics.instance().backgrounded();
1532
1533        super.onPause();
1534    }
1535
1536    @Override
1537    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
1538        if (requestCode == REQ_CODE_DONT_SWITCH_TO_PREVIEW) {
1539            mResetToPreviewOnResume = false;
1540        } else {
1541            super.onActivityResult(requestCode, resultCode, data);
1542        }
1543    }
1544
1545    @Override
1546    public void onResume() {
1547        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_RESUME);
1548        Log.v(TAG, "Build info: " + Build.DISPLAY);
1549
1550        mPaused = false;
1551        updateStorageSpaceAndHint(null);
1552
1553        mLastLayoutOrientation = getResources().getConfiguration().orientation;
1554
1555        // TODO: Handle this in OrientationManager.
1556        // Auto-rotate off
1557        if (Settings.System.getInt(getContentResolver(),
1558                Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {
1559            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
1560            mAutoRotateScreen = false;
1561        } else {
1562            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
1563            mAutoRotateScreen = true;
1564        }
1565
1566        String action = getIntent().getAction();
1567        // Foreground event logging
1568        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(action)) {
1569            UsageStatistics.instance().foregrounded(ForegroundSource.ACTION_VIDEO_CAPTURE,
1570                    currentUserInterfaceMode());
1571        } else if (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)) {
1572            UsageStatistics.instance().foregrounded(ForegroundSource.ACTION_IMAGE_CAPTURE,
1573                    currentUserInterfaceMode());
1574        } else if (MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(action) ||
1575                INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)) {
1576            // logged in onCreate()
1577        } else if (Intent.ACTION_MAIN.equals(action)) {
1578            UsageStatistics.instance().foregrounded(ForegroundSource.ACTION_MAIN,
1579                    currentUserInterfaceMode());
1580        } else {
1581            UsageStatistics.instance().foregrounded(ForegroundSource.UNKNOWN_SOURCE,
1582                    currentUserInterfaceMode());
1583        }
1584
1585        mGalleryIntent = IntentHelper.getPhotosGalleryIntent(mAppContext);
1586        Drawable galleryLogo = IntentHelper.getGalleryIcon(mAppContext, mGalleryIntent);
1587        if (galleryLogo == null) {
1588            try {
1589                galleryLogo = getPackageManager().getActivityLogo(getComponentName());
1590            } catch (PackageManager.NameNotFoundException e) {
1591                Log.e(TAG, "Can't get the activity logo");
1592            }
1593        }
1594        if (mGalleryIntent != null) {
1595            mActionBar.setDisplayUseLogoEnabled(true);
1596        }
1597        mActionBar.setLogo(galleryLogo);
1598        mOrientationManager.resume();
1599        super.onResume();
1600        mPeekAnimationThread = new HandlerThread("Peek animation");
1601        mPeekAnimationThread.start();
1602        mPeekAnimationHandler = new PeekAnimationHandler(mPeekAnimationThread.getLooper());
1603
1604        mCurrentModule.hardResetSettings(mSettingsManager);
1605        mCurrentModule.resume();
1606        UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
1607                NavigationChange.InteractionCause.BUTTON);
1608        setSwipingEnabled(true);
1609
1610        if (!mResetToPreviewOnResume) {
1611            LocalData data = mDataAdapter.getLocalData(mFilmstripController.getCurrentId());
1612            if (data != null) {
1613                mDataAdapter.refresh(data.getUri());
1614            }
1615        }
1616        // The share button might be disabled to avoid double tapping.
1617        mCameraAppUI.getFilmstripBottomControls().setShareEnabled(true);
1618        // Default is showing the preview, unless disabled by explicitly
1619        // starting an activity we want to return from to the filmstrip rather
1620        // than the preview.
1621        mResetToPreviewOnResume = true;
1622
1623        if (mLocalVideosObserver.isMediaDataChangedDuringPause()
1624                || mLocalImagesObserver.isMediaDataChangedDuringPause()) {
1625            if (!mSecureCamera) {
1626                // If it's secure camera, requestLoad() should not be called
1627                // as it will load all the data.
1628                if (!mFilmstripVisible) {
1629                    mDataAdapter.requestLoad(new Callback<Void>() {
1630                        @Override
1631                        public void onCallback(Void result) {
1632                            fillTemporarySessions();
1633                        }
1634                    });
1635                } else {
1636                    mDataAdapter.requestLoadNewPhotos();
1637                }
1638            }
1639        }
1640        mLocalImagesObserver.setActivityPaused(false);
1641        mLocalVideosObserver.setActivityPaused(false);
1642        if (!mSecureCamera) {
1643            mLocalImagesObserver.setForegroundChangeListener(
1644                    new LocalMediaObserver.ChangeListener() {
1645                @Override
1646                public void onChange() {
1647                    mDataAdapter.requestLoadNewPhotos();
1648                }
1649            });
1650        }
1651
1652        keepScreenOnForAWhile();
1653
1654        // Lights-out mode at all times.
1655        final View rootView = findViewById(R.id.activity_root_view);
1656        mLightsOutRunnable.run();
1657        getWindow().getDecorView().setOnSystemUiVisibilityChangeListener(
1658                new OnSystemUiVisibilityChangeListener() {
1659                    @Override
1660                    public void onSystemUiVisibilityChange(int visibility) {
1661                        mMainHandler.removeCallbacks(mLightsOutRunnable);
1662                        mMainHandler.postDelayed(mLightsOutRunnable, LIGHTS_OUT_DELAY_MS);
1663                    }
1664                });
1665
1666        mPanoramaViewHelper.onResume();
1667        ReleaseDialogHelper.showReleaseInfoDialogOnStart(this, mSettingsManager);
1668        syncLocationManagerSetting();
1669
1670        final int previewVisibility = getPreviewVisibility();
1671        updatePreviewRendering(previewVisibility);
1672    }
1673
1674    private void fillTemporarySessions() {
1675        if (mSecureCamera) {
1676            return;
1677        }
1678        // There might be sessions still in flight (processed by our service).
1679        // Make sure they're added to the filmstrip.
1680        getServices().getCaptureSessionManager().fillTemporarySession(mSessionListener);
1681    }
1682
1683    @Override
1684    public void onStart() {
1685        super.onStart();
1686        mPanoramaViewHelper.onStart();
1687
1688        /*
1689         * If we're starting after launching a different Activity (lockscreen),
1690         * we need to use the last mode used in the other Activity, and
1691         * not the old one from this Activity.
1692         *
1693         * This needs to happen before CameraAppUI.resume() in order to set the
1694         * mode cover icon to the actual last mode used.
1695         *
1696         * Right now we exclude capture intents from this logic.
1697         */
1698        int modeIndex = getModeIndex();
1699        if (!isCaptureIntent() && mCurrentModeIndex != modeIndex) {
1700            onModeSelected(modeIndex);
1701        }
1702
1703        if (mResetToPreviewOnResume) {
1704            mCameraAppUI.resume();
1705            mResetToPreviewOnResume = false;
1706        }
1707    }
1708
1709    @Override
1710    protected void onStop() {
1711        mPanoramaViewHelper.onStop();
1712        if (mFeedbackHelper != null) {
1713            mFeedbackHelper.stopFeedback();
1714        }
1715
1716        mLocationManager.disconnect();
1717        super.onStop();
1718    }
1719
1720    @Override
1721    public void onDestroy() {
1722        if (mSecureCamera) {
1723            unregisterReceiver(mScreenOffReceiver);
1724        }
1725        mActionBar.removeOnMenuVisibilityListener(this);
1726        mSettingsManager.removeAllListeners();
1727        mCameraController.removeCallbackReceiver();
1728        getContentResolver().unregisterContentObserver(mLocalImagesObserver);
1729        getContentResolver().unregisterContentObserver(mLocalVideosObserver);
1730        getServices().getCaptureSessionManager().removeSessionListener(mSessionListener);
1731        mCameraAppUI.onDestroy();
1732        mModeListView.setVisibilityChangedListener(null);
1733        mCameraController = null;
1734        mSettingsManager = null;
1735        mCameraAppUI = null;
1736        mOrientationManager = null;
1737        mButtonManager = null;
1738        CameraManagerFactory.recycle();
1739        super.onDestroy();
1740    }
1741
1742    @Override
1743    public void onConfigurationChanged(Configuration config) {
1744        super.onConfigurationChanged(config);
1745        Log.v(TAG, "onConfigurationChanged");
1746        if (config.orientation == Configuration.ORIENTATION_UNDEFINED) {
1747            return;
1748        }
1749
1750        if (mLastLayoutOrientation != config.orientation) {
1751            mLastLayoutOrientation = config.orientation;
1752            mCurrentModule.onLayoutOrientationChanged(
1753                    mLastLayoutOrientation == Configuration.ORIENTATION_LANDSCAPE);
1754        }
1755    }
1756
1757    @Override
1758    public boolean onKeyDown(int keyCode, KeyEvent event) {
1759        if (!mFilmstripVisible) {
1760            if (mCurrentModule.onKeyDown(keyCode, event)) {
1761                return true;
1762            }
1763            // Prevent software keyboard or voice search from showing up.
1764            if (keyCode == KeyEvent.KEYCODE_SEARCH
1765                    || keyCode == KeyEvent.KEYCODE_MENU) {
1766                if (event.isLongPress()) {
1767                    return true;
1768                }
1769            }
1770        }
1771
1772        return super.onKeyDown(keyCode, event);
1773    }
1774
1775    @Override
1776    public boolean onKeyUp(int keyCode, KeyEvent event) {
1777        if (!mFilmstripVisible) {
1778            // If a module is in the middle of capture, it should
1779            // consume the key event.
1780            if (mCurrentModule.onKeyUp(keyCode, event)) {
1781                return true;
1782            } else if (keyCode == KeyEvent.KEYCODE_MENU
1783                    || keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1784                // Let the mode list view consume the event.
1785                mCameraAppUI.openModeList();
1786                return true;
1787            } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1788                mCameraAppUI.showFilmstrip();
1789                return true;
1790            }
1791        } else {
1792            if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1793                mFilmstripController.goToNextItem();
1794                return true;
1795            } else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1796                boolean wentToPrevious = mFilmstripController.goToPreviousItem();
1797                if (!wentToPrevious) {
1798                  // at beginning of filmstrip, hide and go back to preview
1799                  mCameraAppUI.hideFilmstrip();
1800                }
1801                return true;
1802            }
1803        }
1804        return super.onKeyUp(keyCode, event);
1805    }
1806
1807    @Override
1808    public void onBackPressed() {
1809        if (!mCameraAppUI.onBackPressed()) {
1810            if (!mCurrentModule.onBackPressed()) {
1811                super.onBackPressed();
1812            }
1813        }
1814    }
1815
1816    @Override
1817    public boolean isAutoRotateScreen() {
1818        // TODO: Move to OrientationManager.
1819        return mAutoRotateScreen;
1820    }
1821
1822    @Override
1823    public boolean onCreateOptionsMenu(Menu menu) {
1824        MenuInflater inflater = getMenuInflater();
1825        inflater.inflate(R.menu.filmstrip_menu, menu);
1826        mActionBarMenu = menu;
1827        return super.onCreateOptionsMenu(menu);
1828    }
1829
1830    protected long getStorageSpaceBytes() {
1831        synchronized (mStorageSpaceLock) {
1832            return mStorageSpaceBytes;
1833        }
1834    }
1835
1836    protected interface OnStorageUpdateDoneListener {
1837        public void onStorageUpdateDone(long bytes);
1838    }
1839
1840    protected void updateStorageSpaceAndHint(final OnStorageUpdateDoneListener callback) {
1841        /*
1842         * We execute disk operations on a background thread in order to
1843         * free up the UI thread.  Synchronizing on the lock below ensures
1844         * that when getStorageSpaceBytes is called, the main thread waits
1845         * until this method has completed.
1846         *
1847         * However, .execute() does not ensure this execution block will be
1848         * run right away (.execute() schedules this AsyncTask for sometime
1849         * in the future. executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR)
1850         * tries to execute the task in parellel with other AsyncTasks, but
1851         * there's still no guarantee).
1852         * e.g. don't call this then immediately call getStorageSpaceBytes().
1853         * Instead, pass in an OnStorageUpdateDoneListener.
1854         */
1855        (new AsyncTask<Void, Void, Long>() {
1856            @Override
1857            protected Long doInBackground(Void ... arg) {
1858                synchronized (mStorageSpaceLock) {
1859                    mStorageSpaceBytes = Storage.getAvailableSpace();
1860                    return mStorageSpaceBytes;
1861                }
1862            }
1863
1864            @Override
1865            protected void onPostExecute(Long bytes) {
1866                updateStorageHint(bytes);
1867                if (callback != null) {
1868                    callback.onStorageUpdateDone(bytes);
1869                }
1870            }
1871        }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
1872    }
1873
1874    protected void updateStorageHint(long storageSpace) {
1875        String message = null;
1876        if (storageSpace == Storage.UNAVAILABLE) {
1877            message = getString(R.string.no_storage);
1878        } else if (storageSpace == Storage.PREPARING) {
1879            message = getString(R.string.preparing_sd);
1880        } else if (storageSpace == Storage.UNKNOWN_SIZE) {
1881            message = getString(R.string.access_sd_fail);
1882        } else if (storageSpace <= Storage.LOW_STORAGE_THRESHOLD_BYTES) {
1883            message = getString(R.string.spaceIsLow_content);
1884        }
1885
1886        if (message != null) {
1887            Log.w(TAG, "Storage warning: " + message);
1888            if (mStorageHint == null) {
1889                mStorageHint = OnScreenHint.makeText(CameraActivity.this, message);
1890            } else {
1891                mStorageHint.setText(message);
1892            }
1893            mStorageHint.show();
1894            UsageStatistics.instance().storageWarning(storageSpace);
1895        } else if (mStorageHint != null) {
1896            mStorageHint.cancel();
1897            mStorageHint = null;
1898        }
1899    }
1900
1901    protected void setResultEx(int resultCode) {
1902        mResultCodeForTesting = resultCode;
1903        setResult(resultCode);
1904    }
1905
1906    protected void setResultEx(int resultCode, Intent data) {
1907        mResultCodeForTesting = resultCode;
1908        mResultDataForTesting = data;
1909        setResult(resultCode, data);
1910    }
1911
1912    public int getResultCode() {
1913        return mResultCodeForTesting;
1914    }
1915
1916    public Intent getResultData() {
1917        return mResultDataForTesting;
1918    }
1919
1920    public boolean isSecureCamera() {
1921        return mSecureCamera;
1922    }
1923
1924    @Override
1925    public boolean isPaused() {
1926        return mPaused;
1927    }
1928
1929    @Override
1930    public int getPreferredChildModeIndex(int modeIndex) {
1931        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
1932            boolean hdrPlusOn = mSettingsManager.isHdrPlusOn();
1933            if (hdrPlusOn && GcamHelper.hasGcamCapture()) {
1934                modeIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1935            }
1936        }
1937        return modeIndex;
1938    }
1939
1940    @Override
1941    public void onModeSelected(int modeIndex) {
1942        if (mCurrentModeIndex == modeIndex) {
1943            return;
1944        }
1945
1946        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.MODE_SWITCH_START);
1947        // Record last used camera mode for quick switching
1948        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)
1949                || modeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
1950            mSettingsManager.setInt(SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX,
1951                    modeIndex);
1952        }
1953
1954        closeModule(mCurrentModule);
1955
1956        // Select the correct module index from the mode switcher index.
1957        modeIndex = getPreferredChildModeIndex(modeIndex);
1958        setModuleFromModeIndex(modeIndex);
1959
1960        mCameraAppUI.resetBottomControls(mCurrentModule, modeIndex);
1961        mCameraAppUI.addShutterListener(mCurrentModule);
1962        mCameraAppUI.hideLetterboxing();
1963        openModule(mCurrentModule);
1964        mCurrentModule.onOrientationChanged(mLastRawOrientation);
1965        // Store the module index so we can use it the next time the Camera
1966        // starts up.
1967        mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX, modeIndex);
1968    }
1969
1970    /**
1971     * Shows the settings dialog.
1972     */
1973    @Override
1974    public void onSettingsSelected() {
1975        UsageStatistics.instance().controlUsed(
1976                eventprotos.ControlEvent.ControlType.OVERALL_SETTINGS);
1977        Intent intent = new Intent(this, CameraSettingsActivity.class);
1978        startActivity(intent);
1979    }
1980
1981    @Override
1982    public void freezeScreenUntilPreviewReady() {
1983        mCameraAppUI.freezeScreenUntilPreviewReady();
1984    }
1985
1986    /**
1987     * Sets the mCurrentModuleIndex, creates a new module instance for the given
1988     * index an sets it as mCurrentModule.
1989     */
1990    private void setModuleFromModeIndex(int modeIndex) {
1991        ModuleManagerImpl.ModuleAgent agent = mModuleManager.getModuleAgent(modeIndex);
1992        if (agent == null) {
1993            return;
1994        }
1995        if (!agent.requestAppForCamera()) {
1996            mCameraController.closeCamera(true);
1997        }
1998        mCurrentModeIndex = agent.getModuleId();
1999        mCurrentModule = (CameraModule) agent.createModule(this);
2000    }
2001
2002    @Override
2003    public SettingsManager getSettingsManager() {
2004        return mSettingsManager;
2005    }
2006
2007    @Override
2008    public CameraServices getServices() {
2009        return (CameraServices) getApplication();
2010    }
2011
2012    public List<String> getSupportedModeNames() {
2013        List<Integer> indices = mModuleManager.getSupportedModeIndexList();
2014        List<String> supported = new ArrayList<String>();
2015
2016        for (Integer modeIndex : indices) {
2017            String name = CameraUtil.getCameraModeText(modeIndex, mAppContext);
2018            if (name != null && !name.equals("")) {
2019                supported.add(name);
2020            }
2021        }
2022        return supported;
2023    }
2024
2025    @Override
2026    public ButtonManager getButtonManager() {
2027        if (mButtonManager == null) {
2028            mButtonManager = new ButtonManager(this);
2029        }
2030        return mButtonManager;
2031    }
2032
2033    /**
2034     * Creates an AlertDialog appropriate for choosing whether to enable
2035     * location on the first run of the app.
2036     */
2037    public AlertDialog getFirstTimeLocationAlert() {
2038        AlertDialog.Builder builder = new AlertDialog.Builder(this);
2039        builder = SettingsUtil.getFirstTimeLocationAlertBuilder(builder, new Callback<Boolean>() {
2040            @Override
2041            public void onCallback(Boolean locationOn) {
2042                mSettingsManager.setLocation(locationOn, mLocationManager);
2043            }
2044        });
2045        if (builder != null) {
2046            return builder.create();
2047        } else {
2048            return null;
2049        }
2050    }
2051
2052    /**
2053     * Launches an ACTION_EDIT intent for the given local data item. If
2054     * 'withTinyPlanet' is set, this will show a disambig dialog first to let
2055     * the user start either the tiny planet editor or another photo edior.
2056     *
2057     * @param data The data item to edit.
2058     */
2059    public void launchEditor(LocalData data) {
2060        Intent intent = new Intent(Intent.ACTION_EDIT)
2061                .setDataAndType(data.getUri(), data.getMimeType())
2062                .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2063        try {
2064            launchActivityByIntent(intent);
2065        } catch (ActivityNotFoundException e) {
2066            final String msgEditWith = getResources().getString(R.string.edit_with);
2067            launchActivityByIntent(Intent.createChooser(intent, msgEditWith));
2068        }
2069    }
2070
2071    @Override
2072    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
2073        super.onCreateContextMenu(menu, v, menuInfo);
2074
2075        MenuInflater inflater = getMenuInflater();
2076        inflater.inflate(R.menu.filmstrip_context_menu, menu);
2077    }
2078
2079    @Override
2080    public boolean onContextItemSelected(MenuItem item) {
2081        switch (item.getItemId()) {
2082            case R.id.tiny_planet_editor:
2083                mMyFilmstripBottomControlListener.onTinyPlanet();
2084                return true;
2085            case R.id.photo_editor:
2086                mMyFilmstripBottomControlListener.onEdit();
2087                return true;
2088        }
2089        return false;
2090    }
2091
2092    /**
2093     * Launch the tiny planet editor.
2094     *
2095     * @param data The data must be a 360 degree stereographically mapped
2096     *            panoramic image. It will not be modified, instead a new item
2097     *            with the result will be added to the filmstrip.
2098     */
2099    public void launchTinyPlanetEditor(LocalData data) {
2100        TinyPlanetFragment fragment = new TinyPlanetFragment();
2101        Bundle bundle = new Bundle();
2102        bundle.putString(TinyPlanetFragment.ARGUMENT_URI, data.getUri().toString());
2103        bundle.putString(TinyPlanetFragment.ARGUMENT_TITLE, data.getTitle());
2104        fragment.setArguments(bundle);
2105        fragment.show(getFragmentManager(), "tiny_planet");
2106    }
2107
2108    /**
2109     * Returns what UI mode (capture mode or filmstrip) we are in.
2110     * Returned number one of {@link com.google.common.logging.eventprotos.NavigationChange.Mode}
2111     */
2112    private int currentUserInterfaceMode() {
2113        int mode = NavigationChange.Mode.UNKNOWN_MODE;
2114        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
2115            mode = NavigationChange.Mode.PHOTO_CAPTURE;
2116        }
2117        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_video)) {
2118            mode = NavigationChange.Mode.VIDEO_CAPTURE;
2119        }
2120        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_refocus)) {
2121            mode = NavigationChange.Mode.LENS_BLUR;
2122        }
2123        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
2124            mode = NavigationChange.Mode.HDR_PLUS;
2125        }
2126        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photosphere)) {
2127            mode = NavigationChange.Mode.PHOTO_SPHERE;
2128        }
2129        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_panorama)) {
2130            mode = NavigationChange.Mode.PANORAMA;
2131        }
2132        if (mFilmstripVisible) {
2133            mode = NavigationChange.Mode.FILMSTRIP;
2134        }
2135        return mode;
2136    }
2137
2138    private void openModule(CameraModule module) {
2139        module.init(this, isSecureCamera(), isCaptureIntent());
2140        module.hardResetSettings(mSettingsManager);
2141        module.resume();
2142        UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
2143                NavigationChange.InteractionCause.BUTTON);
2144        updatePreviewVisibility();
2145    }
2146
2147    private void closeModule(CameraModule module) {
2148        module.pause();
2149        mCameraAppUI.clearModuleUI();
2150    }
2151
2152    private void performDeletion() {
2153        if (!mPendingDeletion) {
2154            return;
2155        }
2156        hideUndoDeletionBar(false);
2157        mDataAdapter.executeDeletion();
2158    }
2159
2160    public void showUndoDeletionBar() {
2161        if (mPendingDeletion) {
2162            performDeletion();
2163        }
2164        Log.v(TAG, "showing undo bar");
2165        mPendingDeletion = true;
2166        if (mUndoDeletionBar == null) {
2167            ViewGroup v = (ViewGroup) getLayoutInflater().inflate(R.layout.undo_bar,
2168                    mAboveFilmstripControlLayout, true);
2169            mUndoDeletionBar = (ViewGroup) v.findViewById(R.id.camera_undo_deletion_bar);
2170            View button = mUndoDeletionBar.findViewById(R.id.camera_undo_deletion_button);
2171            button.setOnClickListener(new View.OnClickListener() {
2172                @Override
2173                public void onClick(View view) {
2174                    mDataAdapter.undoDataRemoval();
2175                    hideUndoDeletionBar(true);
2176                }
2177            });
2178            // Setting undo bar clickable to avoid touch events going through
2179            // the bar to the buttons (eg. edit button, etc) underneath the bar.
2180            mUndoDeletionBar.setClickable(true);
2181            // When there is user interaction going on with the undo button, we
2182            // do not want to hide the undo bar.
2183            button.setOnTouchListener(new View.OnTouchListener() {
2184                @Override
2185                public boolean onTouch(View v, MotionEvent event) {
2186                    if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
2187                        mIsUndoingDeletion = true;
2188                    } else if (event.getActionMasked() == MotionEvent.ACTION_UP) {
2189                        mIsUndoingDeletion = false;
2190                    }
2191                    return false;
2192                }
2193            });
2194        }
2195        mUndoDeletionBar.setAlpha(0f);
2196        mUndoDeletionBar.setVisibility(View.VISIBLE);
2197        mUndoDeletionBar.animate().setDuration(200).alpha(1f).setListener(null).start();
2198    }
2199
2200    private void hideUndoDeletionBar(boolean withAnimation) {
2201        Log.v(TAG, "Hiding undo deletion bar");
2202        mPendingDeletion = false;
2203        if (mUndoDeletionBar != null) {
2204            if (withAnimation) {
2205                mUndoDeletionBar.animate().setDuration(200).alpha(0f)
2206                        .setListener(new Animator.AnimatorListener() {
2207                            @Override
2208                            public void onAnimationStart(Animator animation) {
2209                                // Do nothing.
2210                            }
2211
2212                            @Override
2213                            public void onAnimationEnd(Animator animation) {
2214                                mUndoDeletionBar.setVisibility(View.GONE);
2215                            }
2216
2217                            @Override
2218                            public void onAnimationCancel(Animator animation) {
2219                                // Do nothing.
2220                            }
2221
2222                            @Override
2223                            public void onAnimationRepeat(Animator animation) {
2224                                // Do nothing.
2225                            }
2226                        }).start();
2227            } else {
2228                mUndoDeletionBar.setVisibility(View.GONE);
2229            }
2230        }
2231    }
2232
2233    @Override
2234    public void onOrientationChanged(int orientation) {
2235        // We keep the last known orientation. So if the user first orient
2236        // the camera then point the camera to floor or sky, we still have
2237        // the correct orientation.
2238        if (orientation == OrientationManager.ORIENTATION_UNKNOWN) {
2239            return;
2240        }
2241        mLastRawOrientation = orientation;
2242        if (mCurrentModule != null) {
2243            mCurrentModule.onOrientationChanged(orientation);
2244        }
2245    }
2246
2247    /**
2248     * Enable/disable swipe-to-filmstrip. Will always disable swipe if in
2249     * capture intent.
2250     *
2251     * @param enable {@code true} to enable swipe.
2252     */
2253    public void setSwipingEnabled(boolean enable) {
2254        // TODO: Bring back the functionality.
2255        if (isCaptureIntent()) {
2256            // lockPreview(true);
2257        } else {
2258            // lockPreview(!enable);
2259        }
2260    }
2261
2262    // Accessor methods for getting latency times used in performance testing
2263    public long getFirstPreviewTime() {
2264        if (mCurrentModule instanceof PhotoModule) {
2265            long coverHiddenTime = getCameraAppUI().getCoverHiddenTime();
2266            if (coverHiddenTime != -1) {
2267                return coverHiddenTime - mOnCreateTime;
2268            }
2269        }
2270        return -1;
2271    }
2272
2273    public long getAutoFocusTime() {
2274        return (mCurrentModule instanceof PhotoModule) ?
2275                ((PhotoModule) mCurrentModule).mAutoFocusTime : -1;
2276    }
2277
2278    public long getShutterLag() {
2279        return (mCurrentModule instanceof PhotoModule) ?
2280                ((PhotoModule) mCurrentModule).mShutterLag : -1;
2281    }
2282
2283    public long getShutterToPictureDisplayedTime() {
2284        return (mCurrentModule instanceof PhotoModule) ?
2285                ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1;
2286    }
2287
2288    public long getPictureDisplayedToJpegCallbackTime() {
2289        return (mCurrentModule instanceof PhotoModule) ?
2290                ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1;
2291    }
2292
2293    public long getJpegCallbackFinishTime() {
2294        return (mCurrentModule instanceof PhotoModule) ?
2295                ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1;
2296    }
2297
2298    public long getCaptureStartTime() {
2299        return (mCurrentModule instanceof PhotoModule) ?
2300                ((PhotoModule) mCurrentModule).mCaptureStartTime : -1;
2301    }
2302
2303    public boolean isRecording() {
2304        return (mCurrentModule instanceof VideoModule) ?
2305                ((VideoModule) mCurrentModule).isRecording() : false;
2306    }
2307
2308    public CameraManager.CameraOpenCallback getCameraOpenErrorCallback() {
2309        return mCameraController;
2310    }
2311
2312    // For debugging purposes only.
2313    public CameraModule getCurrentModule() {
2314        return mCurrentModule;
2315    }
2316
2317    @Override
2318    public void showTutorial(AbstractTutorialOverlay tutorial) {
2319        mCameraAppUI.showTutorial(tutorial, getLayoutInflater());
2320    }
2321
2322    /**
2323     * Reads the current location recording settings and passes it on to the
2324     * location manager.
2325     */
2326    public void syncLocationManagerSetting() {
2327        mSettingsManager.syncLocationManager(mLocationManager);
2328    }
2329
2330    private void keepScreenOnForAWhile() {
2331        if (mKeepScreenOn) {
2332            return;
2333        }
2334        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2335        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2336        mMainHandler.sendEmptyMessageDelayed(MSG_CLEAR_SCREEN_ON_FLAG, SCREEN_DELAY_MS);
2337    }
2338
2339    private void resetScreenOn() {
2340        mKeepScreenOn = false;
2341        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2342        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2343    }
2344
2345    /**
2346     * @return {@code true} if the Gallery is launched successfully.
2347     */
2348    private boolean startGallery() {
2349        if (mGalleryIntent == null) {
2350            return false;
2351        }
2352        try {
2353            UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
2354                    NavigationChange.InteractionCause.BUTTON);
2355            Intent startGalleryIntent = new Intent(mGalleryIntent);
2356            int currentDataId = mFilmstripController.getCurrentId();
2357            LocalData currentLocalData = mDataAdapter.getLocalData(currentDataId);
2358            if (currentLocalData != null) {
2359                GalleryHelper.setContentUri(startGalleryIntent, currentLocalData.getUri());
2360            }
2361            launchActivityByIntent(startGalleryIntent);
2362        } catch (ActivityNotFoundException e) {
2363            Log.w(TAG, "Failed to launch gallery activity, closing");
2364        }
2365        return false;
2366    }
2367
2368    private void setNfcBeamPushUriFromData(LocalData data) {
2369        final Uri uri = data.getUri();
2370        if (uri != Uri.EMPTY) {
2371            mNfcPushUris[0] = uri;
2372        } else {
2373            mNfcPushUris[0] = null;
2374        }
2375    }
2376
2377    /**
2378     * Updates the visibility of the filmstrip bottom controls and action bar.
2379     */
2380    private void updateUiByData(final int dataId) {
2381        final LocalData currentData = mDataAdapter.getLocalData(dataId);
2382        if (currentData == null) {
2383            Log.w(TAG, "Current data ID not found.");
2384            hideSessionProgress();
2385            return;
2386        }
2387        updateActionBarMenu(currentData);
2388
2389        /* Bottom controls. */
2390        updateBottomControlsByData(currentData);
2391
2392        if (isSecureCamera()) {
2393            // We cannot show buttons in secure camera since go to other
2394            // activities might create a security hole.
2395            mCameraAppUI.getFilmstripBottomControls().hideControls();
2396            return;
2397        }
2398
2399
2400        setNfcBeamPushUriFromData(currentData);
2401
2402        if (!mDataAdapter.isMetadataUpdated(dataId)) {
2403            mDataAdapter.updateMetadata(dataId);
2404        }
2405    }
2406
2407    /**
2408     * Updates the bottom controls based on the data.
2409     */
2410    private void updateBottomControlsByData(final LocalData currentData) {
2411
2412        final CameraAppUI.BottomPanel filmstripBottomPanel =
2413                mCameraAppUI.getFilmstripBottomControls();
2414        filmstripBottomPanel.showControls();
2415        filmstripBottomPanel.setEditButtonVisibility(
2416                currentData.isDataActionSupported(LocalData.DATA_ACTION_EDIT));
2417        filmstripBottomPanel.setShareButtonVisibility(
2418                currentData.isDataActionSupported(LocalData.DATA_ACTION_SHARE));
2419        filmstripBottomPanel.setDeleteButtonVisibility(
2420                currentData.isDataActionSupported(LocalData.DATA_ACTION_DELETE));
2421
2422        /* Progress bar */
2423
2424        Uri contentUri = currentData.getUri();
2425        CaptureSessionManager sessionManager = getServices()
2426                .getCaptureSessionManager();
2427
2428        if (sessionManager.hasErrorMessage(contentUri)) {
2429            showProcessError(sessionManager.getErrorMesage(contentUri));
2430        } else {
2431            filmstripBottomPanel.hideProgressError();
2432            CaptureSession session = sessionManager.getSession(contentUri);
2433
2434            if (session != null) {
2435                int sessionProgress = session.getProgress();
2436
2437                if (sessionProgress < 0) {
2438                    hideSessionProgress();
2439                } else {
2440                    CharSequence progressMessage = session.getProgressMessage();
2441                    showSessionProgress(progressMessage);
2442                    updateSessionProgress(sessionProgress);
2443                }
2444            } else {
2445                hideSessionProgress();
2446            }
2447        }
2448
2449        /* View button */
2450
2451        // We need to add this to a separate DB.
2452        final int viewButtonVisibility;
2453        if (PanoramaMetadataLoader.isPanoramaAndUseViewer(currentData)) {
2454            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_PHOTO_SPHERE;
2455        } else if (RgbzMetadataLoader.hasRGBZData(currentData)) {
2456            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_REFOCUS;
2457        } else {
2458            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_NONE;
2459        }
2460
2461        filmstripBottomPanel.setTinyPlanetEnabled(
2462                PanoramaMetadataLoader.isPanorama360(currentData));
2463        filmstripBottomPanel.setViewerButtonVisibility(viewButtonVisibility);
2464    }
2465
2466    private class PeekAnimationHandler extends Handler {
2467        private class DataAndCallback {
2468            LocalData mData;
2469            com.android.camera.util.Callback<Bitmap> mCallback;
2470
2471            public DataAndCallback(LocalData data, com.android.camera.util.Callback<Bitmap>
2472                    callback) {
2473                mData = data;
2474                mCallback = callback;
2475            }
2476        }
2477
2478        public PeekAnimationHandler(Looper looper) {
2479            super(looper);
2480        }
2481
2482        /**
2483         * Starts the animation decoding job and posts a {@code Runnable} back
2484         * when when the decoding is done.
2485         *
2486         * @param data The data item to decode the thumbnail for.
2487         * @param callback {@link com.android.camera.util.Callback} after the
2488         *                 decoding is done.
2489         */
2490        public void startDecodingJob(final LocalData data,
2491                final com.android.camera.util.Callback<Bitmap> callback) {
2492            PeekAnimationHandler.this.obtainMessage(0 /** dummy integer **/,
2493                    new DataAndCallback(data, callback)).sendToTarget();
2494        }
2495
2496        @Override
2497        public void handleMessage(Message msg) {
2498            final LocalData data = ((DataAndCallback) msg.obj).mData;
2499            final com.android.camera.util.Callback<Bitmap> callback =
2500                    ((DataAndCallback) msg.obj).mCallback;
2501            if (data == null || callback == null) {
2502                return;
2503            }
2504
2505            final Bitmap bitmap;
2506            switch (data.getLocalDataType()) {
2507                case LocalData.LOCAL_IN_PROGRESS_DATA:
2508                    byte[] jpegData = Storage.getJpegForSession(data.getUri());
2509                    if (jpegData != null) {
2510                        bitmap = BitmapFactory.decodeByteArray(jpegData, 0, jpegData.length);
2511                    } else {
2512                        bitmap = null;
2513                    }
2514                    break;
2515
2516                case LocalData.LOCAL_IMAGE:
2517                    FileInputStream stream;
2518                    try {
2519                        stream = new FileInputStream(data.getPath());
2520                    } catch (FileNotFoundException e) {
2521                        Log.e(TAG, "File not found:" + data.getPath());
2522                        return;
2523                    }
2524                    Point dim = CameraUtil.resizeToFill(data.getWidth(), data.getHeight(),
2525                            data.getRotation(), mAboveFilmstripControlLayout.getWidth(),
2526                            mAboveFilmstripControlLayout.getMeasuredHeight());
2527                    if (data.getRotation() % 180 != 0) {
2528                        int dummy = dim.x;
2529                        dim.x = dim.y;
2530                        dim.y = dummy;
2531                    }
2532                    bitmap = LocalDataUtil
2533                            .loadImageThumbnailFromStream(stream, data.getWidth(), data.getHeight(),
2534                                    (int) (dim.x * 0.7f), (int) (dim.y * 0.7),
2535                                    data.getRotation(), MAX_PEEK_BITMAP_PIXELS);
2536                    break;
2537
2538                case LocalData.LOCAL_VIDEO:
2539                    bitmap = LocalDataUtil.loadVideoThumbnail(data.getPath());
2540                    break;
2541
2542                default:
2543                    bitmap = null;
2544                    break;
2545            }
2546
2547            if (bitmap == null) {
2548                return;
2549            }
2550
2551            mMainHandler.post(new Runnable() {
2552                @Override
2553                public void run() {
2554                    callback.onCallback(bitmap);
2555                }
2556            });
2557        }
2558    }
2559
2560    private void showDetailsDialog(int dataId) {
2561        final LocalData data = mDataAdapter.getLocalData(dataId);
2562        if (data == null) {
2563            return;
2564        }
2565        MediaDetails details = data.getMediaDetails(getAndroidContext());
2566        if (details == null) {
2567            return;
2568        }
2569        Dialog detailDialog = DetailsDialog.create(CameraActivity.this, details);
2570        detailDialog.show();
2571        UsageStatistics.instance().mediaInteraction(
2572                fileNameFromDataID(dataId), MediaInteraction.InteractionType.DETAILS,
2573                NavigationChange.InteractionCause.BUTTON, fileAgeFromDataID(dataId));
2574    }
2575
2576    /**
2577     * Show or hide action bar items depending on current data type.
2578     */
2579    private void updateActionBarMenu(LocalData data) {
2580        if (mActionBarMenu == null) {
2581            return;
2582        }
2583
2584        MenuItem detailsMenuItem = mActionBarMenu.findItem(R.id.action_details);
2585        if (detailsMenuItem == null) {
2586            return;
2587        }
2588
2589        int type = data.getLocalDataType();
2590        boolean showDetails = (type == LocalData.LOCAL_IMAGE) || (type == LocalData.LOCAL_VIDEO);
2591        detailsMenuItem.setVisible(showDetails);
2592    }
2593}
2594