CameraActivity.java revision f3da6cf0b26be00afe43323b7fac74a317d0f5f5 
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.SurfaceTexture;
39import android.graphics.drawable.Drawable;
40import android.hardware.Camera;
41import android.net.Uri;
42import android.nfc.NfcAdapter;
43import android.nfc.NfcAdapter.CreateBeamUrisCallback;
44import android.nfc.NfcEvent;
45import android.os.AsyncTask;
46import android.os.Build;
47import android.os.Bundle;
48import android.os.Handler;
49import android.os.HandlerThread;
50import android.os.Looper;
51import android.os.Message;
52import android.provider.MediaStore;
53import android.provider.Settings;
54import android.util.CameraPerformanceTracker;
55import android.view.ContextMenu;
56import android.view.ContextMenu.ContextMenuInfo;
57import android.view.KeyEvent;
58import android.view.Menu;
59import android.view.MenuInflater;
60import android.view.MenuItem;
61import android.view.MotionEvent;
62import android.view.View;
63import android.view.View.OnSystemUiVisibilityChangeListener;
64import android.view.ViewGroup;
65import android.view.Window;
66import android.view.WindowManager;
67import android.widget.FrameLayout;
68import android.widget.ImageView;
69import android.widget.ShareActionProvider;
70
71import com.android.camera.app.AppController;
72import com.android.camera.app.CameraAppUI;
73import com.android.camera.app.CameraController;
74import com.android.camera.cameradevice.CameraManager;
75import com.android.camera.cameradevice.CameraManagerFactory;
76import com.android.camera.app.CameraProvider;
77import com.android.camera.app.CameraServices;
78import com.android.camera.app.LocationManager;
79import com.android.camera.app.MemoryManager;
80import com.android.camera.app.MemoryQuery;
81import com.android.camera.app.ModuleManagerImpl;
82import com.android.camera.app.OrientationManager;
83import com.android.camera.app.OrientationManagerImpl;
84import com.android.camera.data.CameraDataAdapter;
85import com.android.camera.data.LocalDataViewType;
86import com.android.camera.data.FixedLastDataAdapter;
87import com.android.camera.data.LocalData;
88import com.android.camera.data.LocalDataAdapter;
89import com.android.camera.data.LocalDataUtil;
90import com.android.camera.data.LocalMediaData;
91import com.android.camera.data.LocalMediaObserver;
92import com.android.camera.data.LocalSessionData;
93import com.android.camera.data.MediaDetails;
94import com.android.camera.data.MetadataLoader;
95import com.android.camera.data.PanoramaMetadataLoader;
96import com.android.camera.data.RgbzMetadataLoader;
97import com.android.camera.data.SimpleViewData;
98import com.android.camera.debug.Log;
99import com.android.camera.filmstrip.FilmstripContentPanel;
100import com.android.camera.filmstrip.FilmstripController;
101import com.android.camera.hardware.HardwareSpec;
102import com.android.camera.hardware.HardwareSpecImpl;
103import com.android.camera.module.ModuleController;
104import com.android.camera.module.ModulesInfo;
105import com.android.camera.session.CaptureSession;
106import com.android.camera.session.CaptureSessionManager;
107import com.android.camera.session.CaptureSessionManager.SessionListener;
108import com.android.camera.settings.CameraSettingsActivity;
109import com.android.camera.settings.SettingsManager;
110import com.android.camera.settings.SettingsManager.SettingsCapabilities;
111import com.android.camera.settings.SettingsUtil;
112import com.android.camera.tinyplanet.TinyPlanetFragment;
113import com.android.camera.ui.AbstractTutorialOverlay;
114import com.android.camera.ui.DetailsDialog;
115import com.android.camera.ui.MainActivityLayout;
116import com.android.camera.ui.ModeListView;
117import com.android.camera.ui.ModeListView.ModeListVisibilityChangedListener;
118import com.android.camera.ui.PreviewStatusListener;
119import com.android.camera.util.ApiHelper;
120import com.android.camera.util.Callback;
121import com.android.camera.util.CameraUtil;
122import com.android.camera.util.FeedbackHelper;
123import com.android.camera.util.GalleryHelper;
124import com.android.camera.util.GcamHelper;
125import com.android.camera.util.IntentHelper;
126import com.android.camera.util.PhotoSphereHelper.PanoramaViewHelper;
127import com.android.camera.util.ReleaseDialogHelper;
128import com.android.camera.util.UsageStatistics;
129import com.android.camera.widget.FilmstripView;
130import com.android.camera.widget.Preloader;
131import com.android.camera2.R;
132import com.bumptech.glide.Glide;
133import com.bumptech.glide.resize.ImageManager;
134import com.google.common.logging.eventprotos;
135import com.google.common.logging.eventprotos.ForegroundEvent.ForegroundSource;
136import com.google.common.logging.eventprotos.MediaInteraction;
137import com.google.common.logging.eventprotos.NavigationChange;
138
139import java.io.File;
140import java.io.FileInputStream;
141import java.io.FileNotFoundException;
142import java.lang.ref.WeakReference;
143import java.util.ArrayList;
144import java.util.HashMap;
145import java.util.List;
146import java.util.concurrent.Executors;
147
148public class CameraActivity extends Activity
149        implements AppController, CameraManager.CameraOpenCallback,
150        ActionBar.OnMenuVisibilityListener, ShareActionProvider.OnShareTargetSelectedListener,
151        OrientationManager.OnOrientationChangeListener {
152
153    private static final Log.Tag TAG = new Log.Tag("CameraActivity");
154
155    private static final String INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE =
156            "android.media.action.STILL_IMAGE_CAMERA_SECURE";
157    public static final String ACTION_IMAGE_CAPTURE_SECURE =
158            "android.media.action.IMAGE_CAPTURE_SECURE";
159
160    // The intent extra for camera from secure lock screen. True if the gallery
161    // should only show newly captured pictures. sSecureAlbumId does not
162    // increment. This is used when switching between camera, camcorder, and
163    // panorama. If the extra is not set, it is in the normal camera mode.
164    public static final String SECURE_CAMERA_EXTRA = "secure_camera";
165
166    /**
167     * Request code from an activity we started that indicated that we do not
168     * want to reset the view to the preview in onResume.
169     */
170    public static final int REQ_CODE_DONT_SWITCH_TO_PREVIEW = 142;
171
172    public static final int REQ_CODE_GCAM_DEBUG_POSTCAPTURE = 999;
173
174    private static final int MSG_CLEAR_SCREEN_ON_FLAG = 2;
175    private static final long SCREEN_DELAY_MS = 2 * 60 * 1000; // 2 mins.
176    private static final int MAX_PEEK_BITMAP_PIXELS = 1600000; // 1.6 * 4 MBs.
177    /** Load metadata for 10 items ahead of our current. */
178    private static final int FILMSTRIP_PRELOAD_AHEAD_ITEMS = 10;
179
180    /** Should be used wherever a context is needed. */
181    private Context mAppContext;
182
183    /**
184     * Whether onResume should reset the view to the preview.
185     */
186    private boolean mResetToPreviewOnResume = true;
187
188    /**
189     * This data adapter is used by FilmStripView.
190     */
191    private LocalDataAdapter mDataAdapter;
192
193    private SettingsManager mSettingsManager;
194    private ModeListView mModeListView;
195    private boolean mModeListVisible = false;
196    private int mCurrentModeIndex;
197    private CameraModule mCurrentModule;
198    private ModuleManagerImpl mModuleManager;
199    private FrameLayout mAboveFilmstripControlLayout;
200    private FilmstripController mFilmstripController;
201    private boolean mFilmstripVisible;
202    /** Whether the filmstrip fully covers the preview. */
203    private boolean mFilmstripCoversPreview = false;
204    private int mResultCodeForTesting;
205    private Intent mResultDataForTesting;
206    private OnScreenHint mStorageHint;
207    private final Object mStorageSpaceLock = new Object();
208    private long mStorageSpaceBytes = Storage.LOW_STORAGE_THRESHOLD_BYTES;
209    private boolean mAutoRotateScreen;
210    private boolean mSecureCamera;
211    private int mLastRawOrientation;
212    private OrientationManagerImpl mOrientationManager;
213    private LocationManager mLocationManager;
214    private ButtonManager mButtonManager;
215    private Handler mMainHandler;
216    private PanoramaViewHelper mPanoramaViewHelper;
217    private ActionBar mActionBar;
218    private ViewGroup mUndoDeletionBar;
219    private boolean mIsUndoingDeletion = false;
220
221    private final Uri[] mNfcPushUris = new Uri[1];
222
223    private LocalMediaObserver mLocalImagesObserver;
224    private LocalMediaObserver mLocalVideosObserver;
225
226    private boolean mPendingDeletion = false;
227
228    private CameraController mCameraController;
229    private boolean mPaused;
230    private CameraAppUI mCameraAppUI;
231
232    private PeekAnimationHandler mPeekAnimationHandler;
233    private HandlerThread mPeekAnimationThread;
234
235    private FeedbackHelper mFeedbackHelper;
236
237    private Intent mGalleryIntent;
238    private long mOnCreateTime;
239
240    private Menu mActionBarMenu;
241    private Preloader<Integer, AsyncTask> mPreloader;
242
243    private static final int LIGHTS_OUT_DELAY_MS = 4000;
244    private final int BASE_SYS_UI_VISIBILITY = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
245            | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
246    private final Runnable mLightsOutRunnable = new Runnable() {
247        @Override
248        public void run() {
249            getWindow().getDecorView().setSystemUiVisibility(
250                    BASE_SYS_UI_VISIBILITY | View.SYSTEM_UI_FLAG_LOW_PROFILE);
251        }
252    };
253    private MemoryManager mMemoryManager;
254
255    @Override
256    public CameraAppUI getCameraAppUI() {
257        return mCameraAppUI;
258    }
259
260    // close activity when screen turns off
261    private final BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() {
262        @Override
263        public void onReceive(Context context, Intent intent) {
264            finish();
265        }
266    };
267
268    /**
269     * Whether the screen is kept turned on.
270     */
271    private boolean mKeepScreenOn;
272    private int mLastLayoutOrientation;
273    private final CameraAppUI.BottomPanel.Listener mMyFilmstripBottomControlListener =
274            new CameraAppUI.BottomPanel.Listener() {
275
276                /**
277                 * If the current photo is a photo sphere, this will launch the
278                 * Photo Sphere panorama viewer.
279                 */
280                @Override
281                public void onExternalViewer() {
282                    if (mPanoramaViewHelper == null) {
283                        return;
284                    }
285                    final LocalData data = getCurrentLocalData();
286                    if (data == null) {
287                        return;
288                    }
289                    final Uri contentUri = data.getUri();
290                    if (contentUri == Uri.EMPTY) {
291                        return;
292                    }
293
294                    if (PanoramaMetadataLoader.isPanoramaAndUseViewer(data)) {
295                        mPanoramaViewHelper.showPanorama(CameraActivity.this, contentUri);
296                    } else if (RgbzMetadataLoader.hasRGBZData(data)) {
297                        mPanoramaViewHelper.showRgbz(contentUri);
298                        if (mSettingsManager.getBoolean(
299                                SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
300                            mSettingsManager.setBoolean(
301                                    SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING,
302                                    false);
303                            mCameraAppUI.clearClingForViewer(
304                                    CameraAppUI.BottomPanel.VIEWER_REFOCUS);
305                        }
306                    }
307                }
308
309                @Override
310                public void onEdit() {
311                    LocalData data = getCurrentLocalData();
312                    if (data == null) {
313                        return;
314                    }
315                    final int currentDataId = getCurrentDataId();
316                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
317                            MediaInteraction.InteractionType.EDIT,
318                            NavigationChange.InteractionCause.BUTTON);
319                    launchEditor(data);
320                }
321
322                @Override
323                public void onTinyPlanet() {
324                    LocalData data = getCurrentLocalData();
325                    if (data == null) {
326                        return;
327                    }
328                    launchTinyPlanetEditor(data);
329                }
330
331                @Override
332                public void onDelete() {
333                    final int currentDataId = getCurrentDataId();
334                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
335                            MediaInteraction.InteractionType.DELETE,
336                            NavigationChange.InteractionCause.BUTTON);
337                    removeData(currentDataId);
338                }
339
340                @Override
341                public void onShare() {
342                    final LocalData data = getCurrentLocalData();
343                    final int currentDataId = getCurrentDataId();
344                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
345                            MediaInteraction.InteractionType.SHARE,
346                            NavigationChange.InteractionCause.BUTTON);
347                    // If applicable, show release information before this item
348                    // is shared.
349                    if (PanoramaMetadataLoader.isPanorama(data)
350                            || RgbzMetadataLoader.hasRGBZData(data)) {
351                        ReleaseDialogHelper.showReleaseInfoDialog(CameraActivity.this,
352                                new Callback<Void>() {
353                                    @Override
354                                    public void onCallback(Void result) {
355                                        share(data);
356                                    }
357                                });
358                    } else {
359                        share(data);
360                    }
361                }
362
363                private void share(LocalData data) {
364                    Intent shareIntent = getShareIntentByData(data);
365                    if (shareIntent != null) {
366                        try {
367                            launchActivityByIntent(shareIntent);
368                            mCameraAppUI.getFilmstripBottomControls().setShareEnabled(false);
369                        } catch (ActivityNotFoundException ex) {
370                            // Nothing.
371                        }
372                    }
373                }
374
375                private int getCurrentDataId() {
376                    return mFilmstripController.getCurrentId();
377                }
378
379                private LocalData getCurrentLocalData() {
380                    return mDataAdapter.getLocalData(getCurrentDataId());
381                }
382
383                /**
384                 * Sets up the share intent and NFC properly according to the
385                 * data.
386                 *
387                 * @param data The data to be shared.
388                 */
389                private Intent getShareIntentByData(final LocalData data) {
390                    Intent intent = null;
391                    final Uri contentUri = data.getUri();
392                    if (PanoramaMetadataLoader.isPanorama360(data) &&
393                            data.getUri() != Uri.EMPTY) {
394                        intent = new Intent(Intent.ACTION_SEND);
395                        intent.setType("application/vnd.google.panorama360+jpg");
396                        intent.putExtra(Intent.EXTRA_STREAM, contentUri);
397                    } else if (data.isDataActionSupported(LocalData.DATA_ACTION_SHARE)) {
398                        final String mimeType = data.getMimeType();
399                        intent = getShareIntentFromType(mimeType);
400                        if (intent != null) {
401                            intent.putExtra(Intent.EXTRA_STREAM, contentUri);
402                            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
403                        }
404                        intent = Intent.createChooser(intent, null);
405                    }
406                    return intent;
407                }
408
409                /**
410                 * Get the share intent according to the mimeType
411                 *
412                 * @param mimeType The mimeType of current data.
413                 * @return the video/image's ShareIntent or null if mimeType is
414                 *         invalid.
415                 */
416                private Intent getShareIntentFromType(String mimeType) {
417                    // Lazily create the intent object.
418                    Intent intent = new Intent(Intent.ACTION_SEND);
419                    if (mimeType.startsWith("video/")) {
420                        intent.setType("video/*");
421                    } else {
422                        if (mimeType.startsWith("image/")) {
423                            intent.setType("image/*");
424                        } else {
425                            Log.w(TAG, "unsupported mimeType " + mimeType);
426                        }
427                    }
428                    return intent;
429                }
430
431                @Override
432                public void onProgressErrorClicked() {
433                    LocalData data = getCurrentLocalData();
434                    getServices().getCaptureSessionManager().removeErrorMessage(
435                            data.getUri());
436                    updateBottomControlsByData(data);
437                }
438            };
439
440    @Override
441    public void onCameraOpened(CameraManager.CameraProxy camera) {
442        /**
443         * The current UI requires that the flash option visibility in front-facing
444         * camera be
445         *   * disabled if back facing camera supports flash
446         *   * hidden if back facing camera does not support flash
447         * We save whether back facing camera supports flash because we cannot get
448         * this in front facing camera without a camera switch.
449         *
450         * If this preference is cleared, we also need to clear the camera facing
451         * setting so we default to opening the camera in back facing camera, and
452         * can save this flash support value again.
453         */
454        if (!mSettingsManager.isSet(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA)) {
455            HardwareSpec hardware = new HardwareSpecImpl(camera.getParameters());
456            mSettingsManager.setBoolean(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA,
457                hardware.isFlashSupported());
458        }
459
460        if (!mModuleManager.getModuleAgent(mCurrentModeIndex).requestAppForCamera()) {
461            // We shouldn't be here. Just close the camera and leave.
462            camera.release(false);
463            throw new IllegalStateException("Camera opened but the module shouldn't be " +
464                    "requesting");
465        }
466        if (mCurrentModule != null) {
467            SettingsCapabilities capabilities =
468                    SettingsUtil.getSettingsCapabilities(camera);
469            mSettingsManager.changeCamera(camera.getCameraId(), capabilities);
470            resetExposureCompensationToDefault(camera);
471            mCurrentModule.onCameraAvailable(camera);
472        }
473        mCameraAppUI.onChangeCamera();
474    }
475
476    private void resetExposureCompensationToDefault(CameraManager.CameraProxy camera) {
477        // Reset the exposure compensation before handing the camera to module.
478        Camera.Parameters parameters = camera.getParameters();
479        parameters.setExposureCompensation(0);
480        camera.setParameters(parameters);
481    }
482
483    @Override
484    public void onCameraDisabled(int cameraId) {
485        UsageStatistics.instance().cameraFailure(
486                eventprotos.CameraFailure.FailureReason.SECURITY, null);
487        CameraUtil.showErrorAndFinish(this,
488                R.string.camera_disabled);
489    }
490
491    @Override
492    public void onDeviceOpenFailure(int cameraId, String info) {
493        UsageStatistics.instance().cameraFailure(
494                eventprotos.CameraFailure.FailureReason.OPEN_FAILURE, info);
495        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
496    }
497
498    @Override
499    public void onDeviceOpenedAlready(int cameraId) {
500        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
501    }
502
503    @Override
504    public void onReconnectionFailure(CameraManager mgr) {
505        UsageStatistics.instance().cameraFailure(
506                eventprotos.CameraFailure.FailureReason.RECONNECT_FAILURE, null);
507        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
508    }
509
510    private static class MainHandler extends Handler {
511        final WeakReference<CameraActivity> mActivity;
512
513        public MainHandler(CameraActivity activity, Looper looper) {
514            super(looper);
515            mActivity = new WeakReference<CameraActivity>(activity);
516        }
517
518        @Override
519        public void handleMessage(Message msg) {
520            CameraActivity activity = mActivity.get();
521            if (activity == null) {
522                return;
523            }
524            switch (msg.what) {
525
526                case MSG_CLEAR_SCREEN_ON_FLAG: {
527                    if (!activity.mPaused) {
528                        activity.getWindow().clearFlags(
529                                WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
530                    }
531                    break;
532                }
533            }
534        }
535    }
536
537    private String fileNameFromDataID(int dataID) {
538        final LocalData localData = mDataAdapter.getLocalData(dataID);
539
540        File localFile = new File(localData.getPath());
541        return localFile.getName();
542    }
543
544    private final FilmstripContentPanel.Listener mFilmstripListener =
545            new FilmstripContentPanel.Listener() {
546
547                @Override
548                public void onSwipeOut() {
549                }
550
551                @Override
552                public void onSwipeOutBegin() {
553                    mActionBar.hide();
554                    mFilmstripCoversPreview = false;
555                    updatePreviewVisibility();
556                }
557
558                @Override
559                public void onFilmstripHidden() {
560                    mFilmstripVisible = false;
561                    UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
562                            NavigationChange.InteractionCause.SWIPE_RIGHT);
563                    CameraActivity.this.setFilmstripUiVisibility(false);
564                    // When the user hide the filmstrip (either swipe out or
565                    // tap on back key) we move to the first item so next time
566                    // when the user swipe in the filmstrip, the most recent
567                    // one is shown.
568                    mFilmstripController.goToFirstItem();
569                }
570
571                @Override
572                public void onFilmstripShown() {
573                    mFilmstripVisible = true;
574                    UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
575                            NavigationChange.InteractionCause.SWIPE_LEFT);
576                    updateUiByData(mFilmstripController.getCurrentId());
577                }
578
579                @Override
580                public void onFocusedDataLongPressed(int dataId) {
581                    // Do nothing.
582                }
583
584                @Override
585                public void onFocusedDataPromoted(int dataID) {
586                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(dataID),
587                            MediaInteraction.InteractionType.DELETE,
588                            NavigationChange.InteractionCause.SWIPE_UP);
589                    removeData(dataID);
590                }
591
592                @Override
593                public void onFocusedDataDemoted(int dataID) {
594                    UsageStatistics.instance().mediaInteraction(fileNameFromDataID(dataID),
595                            MediaInteraction.InteractionType.DELETE,
596                            NavigationChange.InteractionCause.SWIPE_DOWN);
597                    removeData(dataID);
598                }
599
600                @Override
601                public void onEnterFullScreenUiShown(int dataId) {
602                    if (mFilmstripVisible) {
603                        CameraActivity.this.setFilmstripUiVisibility(true);
604                    }
605                }
606
607                @Override
608                public void onLeaveFullScreenUiShown(int dataId) {
609                    // Do nothing.
610                }
611
612                @Override
613                public void onEnterFullScreenUiHidden(int dataId) {
614                    if (mFilmstripVisible) {
615                        CameraActivity.this.setFilmstripUiVisibility(false);
616                    }
617                }
618
619                @Override
620                public void onLeaveFullScreenUiHidden(int dataId) {
621                    // Do nothing.
622                }
623
624                @Override
625                public void onEnterFilmstrip(int dataId) {
626                    if (mFilmstripVisible) {
627                        CameraActivity.this.setFilmstripUiVisibility(true);
628                    }
629                }
630
631                @Override
632                public void onLeaveFilmstrip(int dataId) {
633                    // Do nothing.
634                }
635
636                @Override
637                public void onDataReloaded() {
638                    if (!mFilmstripVisible) {
639                        return;
640                    }
641                    updateUiByData(mFilmstripController.getCurrentId());
642                }
643
644                @Override
645                public void onDataUpdated(int dataId) {
646                    if (!mFilmstripVisible) {
647                        return;
648                    }
649                    updateUiByData(mFilmstripController.getCurrentId());
650                }
651
652                @Override
653                public void onEnterZoomView(int dataID) {
654                    if (mFilmstripVisible) {
655                        CameraActivity.this.setFilmstripUiVisibility(false);
656                    }
657                }
658
659                @Override
660                public void onDataFocusChanged(final int prevDataId, final int newDataId) {
661                    if (!mFilmstripVisible) {
662                        return;
663                    }
664                    // TODO: This callback is UI event callback, should always
665                    // happen on UI thread. Find the reason for this
666                    // runOnUiThread() and fix it.
667                    runOnUiThread(new Runnable() {
668                        @Override
669                        public void run() {
670                            updateUiByData(newDataId);
671                        }
672                    });
673                }
674
675                @Override
676                public void onScroll(int firstVisiblePosition, int visibleItemCount, int totalItemCount) {
677                    mPreloader.onScroll(null /*absListView*/, firstVisiblePosition, visibleItemCount, totalItemCount);
678                }
679            };
680
681    private final LocalDataAdapter.LocalDataListener mLocalDataListener =
682            new LocalDataAdapter.LocalDataListener() {
683                @Override
684                public void onMetadataUpdated(List<Integer> updatedData) {
685                    int currentDataId = mFilmstripController.getCurrentId();
686                    for (Integer dataId : updatedData) {
687                        if (dataId == currentDataId) {
688                            updateBottomControlsByData(mDataAdapter.getLocalData(dataId));
689                        }
690                    }
691                }
692            };
693
694    public void gotoGallery() {
695        UsageStatistics.instance().changeScreen(NavigationChange.Mode.FILMSTRIP,
696                NavigationChange.InteractionCause.BUTTON);
697
698        mFilmstripController.goToNextItem();
699    }
700
701    /**
702     * If 'visible' is false, this hides the action bar. Also maintains
703     * lights-out at all times.
704     *
705     * @param visible is false, this hides the action bar and filmstrip bottom
706     *            controls.
707     */
708    private void setFilmstripUiVisibility(boolean visible) {
709        mLightsOutRunnable.run();
710        mCameraAppUI.getFilmstripBottomControls().setVisible(visible);
711        if (visible != mActionBar.isShowing()) {
712            if (visible) {
713                mActionBar.show();
714            } else {
715                mActionBar.hide();
716            }
717        }
718        mFilmstripCoversPreview = visible;
719        updatePreviewVisibility();
720    }
721
722    private void hideSessionProgress() {
723        mCameraAppUI.getFilmstripBottomControls().hideProgress();
724    }
725
726    private void showSessionProgress(CharSequence message) {
727        CameraAppUI.BottomPanel controls = mCameraAppUI.getFilmstripBottomControls();
728        controls.setProgressText(message);
729        controls.hideControls();
730        controls.hideProgressError();
731        controls.showProgress();
732    }
733
734    private void showProcessError(CharSequence message) {
735        mCameraAppUI.getFilmstripBottomControls().showProgressError(message);
736    }
737
738    private void updateSessionProgress(int progress) {
739        mCameraAppUI.getFilmstripBottomControls().setProgress(progress);
740    }
741
742    private void updateSessionProgressText(CharSequence message) {
743        mCameraAppUI.getFilmstripBottomControls().setProgressText(message);
744    }
745
746    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
747    private void setupNfcBeamPush() {
748        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mAppContext);
749        if (adapter == null) {
750            return;
751        }
752
753        if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) {
754            // Disable beaming
755            adapter.setNdefPushMessage(null, CameraActivity.this);
756            return;
757        }
758
759        adapter.setBeamPushUris(null, CameraActivity.this);
760        adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
761            @Override
762            public Uri[] createBeamUris(NfcEvent event) {
763                return mNfcPushUris;
764            }
765        }, CameraActivity.this);
766    }
767
768    @Override
769    public void onMenuVisibilityChanged(boolean isVisible) {
770        // TODO: Remove this or bring back the original implementation: cancel
771        // auto-hide actionbar.
772    }
773
774    @Override
775    public boolean onShareTargetSelected(ShareActionProvider shareActionProvider, Intent intent) {
776        int currentDataId = mFilmstripController.getCurrentId();
777        if (currentDataId < 0) {
778            return false;
779        }
780        UsageStatistics.instance().mediaInteraction(fileNameFromDataID(currentDataId),
781                MediaInteraction.InteractionType.SHARE,
782                NavigationChange.InteractionCause.BUTTON);
783        // TODO add intent.getComponent().getPackageName()
784        return true;
785    }
786
787    // Note: All callbacks come back on the main thread.
788    private final SessionListener mSessionListener =
789            new SessionListener() {
790                @Override
791                public void onSessionQueued(final Uri uri) {
792                    if (!Storage.isSessionUri(uri)) {
793                        return;
794                    }
795                    LocalSessionData newData = new LocalSessionData(uri);
796                    mDataAdapter.addData(newData);
797                }
798
799                @Override
800                public void onSessionDone(final Uri sessionUri) {
801                    Log.v(TAG, "onSessionDone:" + sessionUri);
802                    Uri contentUri = Storage.getContentUriForSessionUri(sessionUri);
803                    if (contentUri == null) {
804                        mDataAdapter.refresh(sessionUri);
805                        return;
806                    }
807                    LocalData newData = LocalMediaData.PhotoData.fromContentUri(
808                            getContentResolver(), contentUri);
809
810                    final int pos = mDataAdapter.findDataByContentUri(sessionUri);
811                    if (pos == -1) {
812                        // We do not have a placeholder for this image, perhaps
813                        // due to the activity crashing or being killed.
814                        mDataAdapter.addData(newData);
815                    } else {
816                        mDataAdapter.updateData(pos, newData);
817                    }
818                }
819
820                @Override
821                public void onSessionProgress(final Uri uri, final int progress) {
822                    if (progress < 0) {
823                        // Do nothing, there is no task for this URI.
824                        return;
825                    }
826                    int currentDataId = mFilmstripController.getCurrentId();
827                    if (currentDataId == -1) {
828                        return;
829                    }
830                    if (uri.equals(
831                            mDataAdapter.getLocalData(currentDataId).getUri())) {
832                        updateSessionProgress(progress);
833                    }
834                }
835
836                @Override
837                public void onSessionProgressText(final Uri uri, final CharSequence message) {
838                    int currentDataId = mFilmstripController.getCurrentId();
839                    if (currentDataId == -1) {
840                        return;
841                    }
842                    if (uri.equals(
843                            mDataAdapter.getLocalData(currentDataId).getUri())) {
844                        updateSessionProgressText(message);
845                    }
846                }
847
848                @Override
849                public void onSessionUpdated(Uri uri) {
850                    mDataAdapter.refresh(uri);
851                }
852
853                @Override
854                public void onSessionPreviewAvailable(Uri uri) {
855                    mDataAdapter.refresh(uri);
856                    int dataId = mDataAdapter.findDataByContentUri(uri);
857                    if (dataId != -1) {
858                        startPeekAnimation(mDataAdapter.getLocalData(dataId));
859                    }
860                }
861
862                @Override
863                public void onSessionFailed(Uri uri, CharSequence reason) {
864                    Log.v(TAG, "onSessionFailed:" + uri);
865
866                    int failedDataId = mDataAdapter.findDataByContentUri(uri);
867                    int currentDataId = mFilmstripController.getCurrentId();
868
869                    if (currentDataId == failedDataId) {
870                        updateSessionProgress(0);
871                        showProcessError(reason);
872                    }
873                    // HERE
874                    mDataAdapter.refresh(uri);
875                }
876            };
877
878    @Override
879    public Context getAndroidContext() {
880        return mAppContext;
881    }
882
883    @Override
884    public void launchActivityByIntent(Intent intent) {
885        startActivityForResult(intent, REQ_CODE_DONT_SWITCH_TO_PREVIEW);
886    }
887
888    @Override
889    public int getCurrentModuleIndex() {
890        return mCurrentModeIndex;
891    }
892
893    @Override
894    public ModuleController getCurrentModuleController() {
895        return mCurrentModule;
896    }
897
898    @Override
899    public int getQuickSwitchToModuleId(int currentModuleIndex) {
900        return mModuleManager.getQuickSwitchToModuleId(currentModuleIndex, mSettingsManager,
901                mAppContext);
902    }
903
904    @Override
905    public SurfaceTexture getPreviewBuffer() {
906        // TODO: implement this
907        return null;
908    }
909
910    @Override
911    public void onPreviewReadyToStart() {
912        mCameraAppUI.onPreviewReadyToStart();
913    }
914
915    @Override
916    public void onPreviewStarted() {
917        mCameraAppUI.onPreviewStarted();
918    }
919
920    @Override
921    public void addPreviewAreaSizeChangedListener(
922            PreviewStatusListener.PreviewAreaChangedListener listener) {
923        mCameraAppUI.addPreviewAreaChangedListener(listener);
924    }
925
926    @Override
927    public void removePreviewAreaSizeChangedListener(
928            PreviewStatusListener.PreviewAreaChangedListener listener) {
929        mCameraAppUI.removePreviewAreaChangedListener(listener);
930    }
931
932    @Override
933    public void setupOneShotPreviewListener() {
934        mCameraController.setOneShotPreviewCallback(mMainHandler,
935                new CameraManager.CameraPreviewDataCallback() {
936                    @Override
937                    public void onPreviewFrame(byte[] data, CameraManager.CameraProxy camera) {
938                        mCurrentModule.onPreviewInitialDataReceived();
939                        mCameraAppUI.onNewPreviewFrame();
940                    }
941                }
942        );
943    }
944
945    @Override
946    public void updatePreviewAspectRatio(float aspectRatio) {
947        mCameraAppUI.updatePreviewAspectRatio(aspectRatio);
948    }
949
950    @Override
951    public void updatePreviewTransform(Matrix matrix) {
952        mCameraAppUI.updatePreviewTransform(matrix);
953    }
954
955    @Override
956    public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) {
957        mCameraAppUI.setPreviewStatusListener(previewStatusListener);
958    }
959
960    @Override
961    public FrameLayout getModuleLayoutRoot() {
962        return mCameraAppUI.getModuleRootView();
963    }
964
965    @Override
966    public void setShutterEventsListener(ShutterEventsListener listener) {
967        // TODO: implement this
968    }
969
970    @Override
971    public void setShutterEnabled(boolean enabled) {
972        mCameraAppUI.setShutterButtonEnabled(enabled);
973    }
974
975    @Override
976    public boolean isShutterEnabled() {
977        return mCameraAppUI.isShutterButtonEnabled();
978    }
979
980    @Override
981    public void startPreCaptureAnimation() {
982        mCameraAppUI.startPreCaptureAnimation();
983    }
984
985    @Override
986    public void cancelPreCaptureAnimation() {
987        // TODO: implement this
988    }
989
990    @Override
991    public void startPostCaptureAnimation() {
992        // TODO: implement this
993    }
994
995    @Override
996    public void startPostCaptureAnimation(Bitmap thumbnail) {
997        // TODO: implement this
998    }
999
1000    @Override
1001    public void cancelPostCaptureAnimation() {
1002        // TODO: implement this
1003    }
1004
1005    @Override
1006    public OrientationManager getOrientationManager() {
1007        return mOrientationManager;
1008    }
1009
1010    @Override
1011    public LocationManager getLocationManager() {
1012        return mLocationManager;
1013    }
1014
1015    @Override
1016    public void lockOrientation() {
1017        if (mOrientationManager != null) {
1018            mOrientationManager.lockOrientation();
1019        }
1020    }
1021
1022    @Override
1023    public void unlockOrientation() {
1024        if (mOrientationManager != null) {
1025            mOrientationManager.unlockOrientation();
1026        }
1027    }
1028
1029    /**
1030     * Starts the filmstrip peek animation if the filmstrip is not visible.
1031     * Only {@link LocalData#LOCAL_IMAGE}, {@link
1032     * LocalData#LOCAL_IN_PROGRESS_DATA} and {@link
1033     * LocalData#LOCAL_VIDEO} are supported.
1034     *
1035     * @param data The data to peek.
1036     */
1037    private void startPeekAnimation(final LocalData data) {
1038        if (mFilmstripVisible || mPeekAnimationHandler == null) {
1039            return;
1040        }
1041
1042        int dataType = data.getLocalDataType();
1043        if (dataType != LocalData.LOCAL_IMAGE && dataType != LocalData.LOCAL_IN_PROGRESS_DATA &&
1044                dataType != LocalData.LOCAL_VIDEO) {
1045            return;
1046        }
1047
1048        mPeekAnimationHandler.startDecodingJob(data, new Callback<Bitmap>() {
1049            @Override
1050            public void onCallback(Bitmap result) {
1051                mCameraAppUI.startPeekAnimation(result, true);
1052            }
1053        });
1054    }
1055
1056    @Override
1057    public void notifyNewMedia(Uri uri) {
1058        updateStorageSpaceAndHint(null);
1059        ContentResolver cr = getContentResolver();
1060        String mimeType = cr.getType(uri);
1061        LocalData newData = null;
1062        if (LocalDataUtil.isMimeTypeVideo(mimeType)) {
1063            sendBroadcast(new Intent(CameraUtil.ACTION_NEW_VIDEO, uri));
1064            newData = LocalMediaData.VideoData.fromContentUri(getContentResolver(), uri);
1065            if (newData == null) {
1066                Log.e(TAG, "Can't find video data in content resolver:" + uri);
1067                return;
1068            }
1069        } else if (LocalDataUtil.isMimeTypeImage(mimeType)) {
1070            CameraUtil.broadcastNewPicture(mAppContext, uri);
1071            newData = LocalMediaData.PhotoData.fromContentUri(getContentResolver(), uri);
1072            if (newData == null) {
1073                Log.e(TAG, "Can't find photo data in content resolver:" + uri);
1074                return;
1075            }
1076        } else {
1077            Log.w(TAG, "Unknown new media with MIME type:" + mimeType + ", uri:" + uri);
1078            return;
1079        }
1080        // We are preloading the metadata for new video since we need the
1081        // rotation info for the thumbnail.
1082        new AsyncTask<LocalData, Void, LocalData>() {
1083
1084            @Override
1085            protected LocalData doInBackground(LocalData... params) {
1086                LocalData data = params[0];
1087                MetadataLoader.loadMetadata(getAndroidContext(), data);
1088                return data;
1089            }
1090
1091            @Override
1092            protected void onPostExecute(LocalData data) {
1093                if (mDataAdapter.addData(data)) {
1094                    startPeekAnimation(data);
1095                }
1096            }
1097        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, newData);
1098    }
1099
1100    @Override
1101    public void enableKeepScreenOn(boolean enabled) {
1102        if (mPaused) {
1103            return;
1104        }
1105
1106        mKeepScreenOn = enabled;
1107        if (mKeepScreenOn) {
1108            mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
1109            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
1110        } else {
1111            keepScreenOnForAWhile();
1112        }
1113    }
1114
1115    @Override
1116    public CameraProvider getCameraProvider() {
1117        return mCameraController;
1118    }
1119
1120    private void removeData(int dataID) {
1121        mDataAdapter.removeData(dataID);
1122        if (mDataAdapter.getTotalNumber() > 1) {
1123            showUndoDeletionBar();
1124        } else {
1125            // If camera preview is the only view left in filmstrip,
1126            // no need to show undo bar.
1127            mPendingDeletion = true;
1128            performDeletion();
1129            if (mFilmstripVisible) {
1130                mCameraAppUI.getFilmstripContentPanel().animateHide();
1131            }
1132        }
1133    }
1134
1135    @Override
1136    public boolean onOptionsItemSelected(MenuItem item) {
1137        // Handle presses on the action bar items
1138        switch (item.getItemId()) {
1139            case android.R.id.home:
1140                if (mFilmstripVisible && startGallery()) {
1141                    return true;
1142                }
1143                onBackPressed();
1144                return true;
1145            case R.id.action_details:
1146                showDetailsDialog(mFilmstripController.getCurrentId());
1147                return true;
1148            default:
1149                return super.onOptionsItemSelected(item);
1150        }
1151    }
1152
1153    private boolean isCaptureIntent() {
1154        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())
1155                || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())
1156                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1157            return true;
1158        } else {
1159            return false;
1160        }
1161    }
1162
1163    private final CameraManager.CameraExceptionCallback mCameraDefaultExceptionCallback
1164        = new CameraManager.CameraExceptionCallback() {
1165                @Override
1166                public void onCameraException(RuntimeException e) {
1167                    Log.e(TAG, "Camera Exception", e);
1168                    CameraUtil.showErrorAndFinish(CameraActivity.this,
1169                            R.string.cannot_connect_camera);
1170                }
1171            };
1172
1173    @Override
1174    public void onCreate(Bundle state) {
1175        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_START);
1176
1177        super.onCreate(state);
1178        final Glide glide = Glide.get();
1179        if (!glide.isImageManagerSet()) {
1180            // We load exclusively large images, so we want fewer threads to minimize jank.
1181            glide.setImageManager(new ImageManager.Builder(getApplicationContext())
1182                    .setResizeService(Executors.newSingleThreadExecutor()));
1183        }
1184
1185        mOnCreateTime = System.currentTimeMillis();
1186        mAppContext = getApplicationContext();
1187        mSettingsManager = new SettingsManager(mAppContext, this);
1188        GcamHelper.init(getContentResolver());
1189
1190        getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
1191        setContentView(R.layout.activity_main);
1192        mActionBar = getActionBar();
1193        mActionBar.addOnMenuVisibilityListener(this);
1194        mMainHandler = new MainHandler(this, getMainLooper());
1195        mCameraController =
1196                new CameraController(mAppContext, this, mMainHandler,
1197                        CameraManagerFactory.getAndroidCameraManager());
1198        mCameraController.setCameraDefaultExceptionCallback(mCameraDefaultExceptionCallback,
1199                mMainHandler);
1200
1201        // TODO: Try to move all the resources allocation to happen as soon as
1202        // possible so we can call module.init() at the earliest time.
1203        mModuleManager = new ModuleManagerImpl();
1204        ModulesInfo.setupModules(mAppContext, mModuleManager);
1205
1206        mModeListView = (ModeListView) findViewById(R.id.mode_list_layout);
1207        mModeListView.init(mModuleManager.getSupportedModeIndexList());
1208        if (ApiHelper.HAS_ROTATION_ANIMATION) {
1209            setRotationAnimation();
1210        }
1211        mModeListView.setVisibilityChangedListener(new ModeListVisibilityChangedListener() {
1212            @Override
1213            public void onVisibilityChanged(boolean visible) {
1214                mModeListVisible = visible;
1215                updatePreviewVisibility();
1216            }
1217        });
1218
1219        // Check if this is in the secure camera mode.
1220        Intent intent = getIntent();
1221        String action = intent.getAction();
1222        if (INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)
1223                || ACTION_IMAGE_CAPTURE_SECURE.equals(action)) {
1224            mSecureCamera = true;
1225        } else {
1226            mSecureCamera = intent.getBooleanExtra(SECURE_CAMERA_EXTRA, false);
1227        }
1228
1229        if (mSecureCamera) {
1230            // Foreground event caused by lock screen startup.
1231            // It is necessary to log this in onCreate, to avoid the
1232            // onResume->onPause->onResume sequence.
1233            UsageStatistics.instance().foregrounded(ForegroundSource.ACTION_IMAGE_CAPTURE_SECURE,
1234                    currentUserInterfaceMode());
1235
1236            // Change the window flags so that secure camera can show when
1237            // locked
1238            Window win = getWindow();
1239            WindowManager.LayoutParams params = win.getAttributes();
1240            params.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
1241            win.setAttributes(params);
1242
1243            // Filter for screen off so that we can finish secure camera
1244            // activity
1245            // when screen is off.
1246            IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
1247            registerReceiver(mScreenOffReceiver, filter);
1248        }
1249        mCameraAppUI = new CameraAppUI(this,
1250                (MainActivityLayout) findViewById(R.id.activity_root_view), isCaptureIntent());
1251
1252        mCameraAppUI.setFilmstripBottomControlsListener(mMyFilmstripBottomControlListener);
1253
1254        mAboveFilmstripControlLayout =
1255                (FrameLayout) findViewById(R.id.camera_filmstrip_content_layout);
1256
1257        // Add the session listener so we can track the session progress
1258        // updates.
1259        getServices().getCaptureSessionManager().addSessionListener(mSessionListener);
1260        mFilmstripController = ((FilmstripView) findViewById(R.id.filmstrip_view)).getController();
1261        mFilmstripController.setImageGap(
1262                getResources().getDimensionPixelSize(R.dimen.camera_film_strip_gap));
1263        mPanoramaViewHelper = new PanoramaViewHelper(this);
1264        mPanoramaViewHelper.onCreate();
1265        // Set up the camera preview first so the preview shows up ASAP.
1266        mDataAdapter = new CameraDataAdapter(mAppContext, R.color.photo_placeholder);
1267        mDataAdapter.setLocalDataListener(mLocalDataListener);
1268
1269        mPreloader = new Preloader<Integer, AsyncTask>(FILMSTRIP_PRELOAD_AHEAD_ITEMS, mDataAdapter,
1270                mDataAdapter);
1271
1272        mCameraAppUI.getFilmstripContentPanel().setFilmstripListener(mFilmstripListener);
1273        if (mSettingsManager.getBoolean(SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
1274            mCameraAppUI.setupClingForViewer(CameraAppUI.BottomPanel.VIEWER_REFOCUS);
1275        }
1276
1277        mLocationManager = new LocationManager(mAppContext);
1278
1279        mOrientationManager = new OrientationManagerImpl(this);
1280        mOrientationManager.addOnOrientationChangeListener(mMainHandler, this);
1281
1282        setModuleFromModeIndex(getModeIndex());
1283        mCameraAppUI.prepareModuleUI();
1284        mCurrentModule.init(this, isSecureCamera(), isCaptureIntent());
1285
1286        if (!mSecureCamera) {
1287            mFilmstripController.setDataAdapter(mDataAdapter);
1288            if (!isCaptureIntent()) {
1289                mDataAdapter.requestLoad(new Callback<Void>() {
1290                    @Override
1291                    public void onCallback(Void result) {
1292                        fillTemporarySessions();
1293                    }
1294                });
1295            }
1296        } else {
1297            // Put a lock placeholder as the last image by setting its date to
1298            // 0.
1299            ImageView v = (ImageView) getLayoutInflater().inflate(
1300                    R.layout.secure_album_placeholder, null);
1301            v.setOnClickListener(new View.OnClickListener() {
1302                @Override
1303                public void onClick(View view) {
1304                    UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
1305                            NavigationChange.InteractionCause.BUTTON);
1306                    startGallery();
1307                    finish();
1308                }
1309            });
1310            v.setContentDescription(getString(R.string.accessibility_unlock_to_camera));
1311            mDataAdapter = new FixedLastDataAdapter(
1312                    mAppContext,
1313                    mDataAdapter,
1314                    new SimpleViewData(
1315                            v,
1316                            LocalDataViewType.SECURE_ALBUM_PLACEHOLDER,
1317                            v.getDrawable().getIntrinsicWidth(),
1318                            v.getDrawable().getIntrinsicHeight(),
1319                            0, 0));
1320            // Flush out all the original data.
1321            mDataAdapter.flush();
1322            mFilmstripController.setDataAdapter(mDataAdapter);
1323        }
1324
1325        setupNfcBeamPush();
1326
1327        mLocalImagesObserver = new LocalMediaObserver();
1328        mLocalVideosObserver = new LocalMediaObserver();
1329
1330        getContentResolver().registerContentObserver(
1331                MediaStore.Images.Media.EXTERNAL_CONTENT_URI, true,
1332                mLocalImagesObserver);
1333        getContentResolver().registerContentObserver(
1334                MediaStore.Video.Media.EXTERNAL_CONTENT_URI, true,
1335                mLocalVideosObserver);
1336        if (FeedbackHelper.feedbackAvailable()) {
1337            mFeedbackHelper = new FeedbackHelper(mAppContext);
1338        }
1339        mMemoryManager = getServices().getMemoryManager();
1340
1341        AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
1342            public void run() {
1343                HashMap memoryData = mMemoryManager.queryMemory();
1344                UsageStatistics.instance().reportMemoryConsumed(memoryData,
1345                        MemoryQuery.REPORT_LABEL_LAUNCH);
1346            }
1347        });
1348    }
1349
1350    /**
1351     * Get the current mode index from the Intent or from persistent
1352     * settings.
1353     */
1354    public int getModeIndex() {
1355        int modeIndex = -1;
1356        int photoIndex = getResources().getInteger(R.integer.camera_mode_photo);
1357        int videoIndex = getResources().getInteger(R.integer.camera_mode_video);
1358        int gcamIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1359        if (MediaStore.INTENT_ACTION_VIDEO_CAMERA.equals(getIntent().getAction())
1360                || MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())) {
1361            modeIndex = videoIndex;
1362        } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA.equals(getIntent().getAction())
1363                || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())) {
1364            // TODO: synchronize mode options with photo module without losing
1365            // HDR+ preferences.
1366            modeIndex = photoIndex;
1367        } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(getIntent()
1368                        .getAction())
1369                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1370            modeIndex = mSettingsManager.getInt(
1371                SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX);
1372        } else {
1373            // If the activity has not been started using an explicit intent,
1374            // read the module index from the last time the user changed modes
1375            modeIndex = mSettingsManager.getInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX);
1376            if ((modeIndex == gcamIndex &&
1377                    !GcamHelper.hasGcamCapture()) || modeIndex < 0) {
1378                modeIndex = photoIndex;
1379            }
1380        }
1381        return modeIndex;
1382    }
1383
1384    /**
1385     * Call this whenever the mode drawer or filmstrip change the visibility
1386     * state.
1387     */
1388    private void updatePreviewVisibility() {
1389        if (mCurrentModule == null) {
1390            return;
1391        }
1392
1393        int visibility = getPreviewVisibility();
1394        mCameraAppUI.onPreviewVisiblityChanged(visibility);
1395        updatePreviewRendering(visibility);
1396        mCurrentModule.onPreviewVisibilityChanged(visibility);
1397    }
1398
1399    private void updatePreviewRendering(int visibility) {
1400        if (visibility == ModuleController.VISIBILITY_HIDDEN) {
1401            mCameraAppUI.pausePreviewRendering();
1402        } else {
1403            mCameraAppUI.resumePreviewRendering();
1404        }
1405    }
1406
1407    private int getPreviewVisibility() {
1408        if (mFilmstripCoversPreview) {
1409            return ModuleController.VISIBILITY_HIDDEN;
1410        } else if (mModeListVisible){
1411            return ModuleController.VISIBILITY_COVERED;
1412        } else {
1413            return ModuleController.VISIBILITY_VISIBLE;
1414        }
1415    }
1416
1417    private void setRotationAnimation() {
1418        int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
1419        rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
1420        Window win = getWindow();
1421        WindowManager.LayoutParams winParams = win.getAttributes();
1422        winParams.rotationAnimation = rotationAnimation;
1423        win.setAttributes(winParams);
1424    }
1425
1426    @Override
1427    public void onUserInteraction() {
1428        super.onUserInteraction();
1429        if (!isFinishing()) {
1430            keepScreenOnForAWhile();
1431        }
1432    }
1433
1434    @Override
1435    public boolean dispatchTouchEvent(MotionEvent ev) {
1436        boolean result = super.dispatchTouchEvent(ev);
1437        if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
1438            // Real deletion is postponed until the next user interaction after
1439            // the gesture that triggers deletion. Until real deletion is
1440            // performed, users can click the undo button to bring back the
1441            // image that they chose to delete.
1442            if (mPendingDeletion && !mIsUndoingDeletion) {
1443                performDeletion();
1444            }
1445        }
1446        return result;
1447    }
1448
1449    @Override
1450    public void onPause() {
1451        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_PAUSE);
1452
1453        /*
1454         * Save the last module index after all secure camera and icon launches,
1455         * not just on mode switches.
1456         *
1457         * Right now we exclude capture intents from this logic, because we also
1458         * ignore the cross-Activity recovery logic in onStart for capture intents.
1459         */
1460        if (!isCaptureIntent()) {
1461            mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX,
1462                mCurrentModeIndex);
1463        }
1464
1465        mPaused = true;
1466        mPeekAnimationHandler = null;
1467        mPeekAnimationThread.quitSafely();
1468        mPeekAnimationThread = null;
1469
1470        // Delete photos that are pending deletion
1471        performDeletion();
1472        mCurrentModule.pause();
1473        mOrientationManager.pause();
1474        // Close the camera and wait for the operation done.
1475        mCameraController.closeCamera();
1476        mPanoramaViewHelper.onPause();
1477
1478        mLocalImagesObserver.setForegroundChangeListener(null);
1479        mLocalImagesObserver.setActivityPaused(true);
1480        mLocalVideosObserver.setActivityPaused(true);
1481        mPreloader.cancelAllLoads();
1482        resetScreenOn();
1483        super.onPause();
1484    }
1485
1486    @Override
1487    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
1488        if (requestCode == REQ_CODE_DONT_SWITCH_TO_PREVIEW) {
1489            mResetToPreviewOnResume = false;
1490        } else {
1491            super.onActivityResult(requestCode, resultCode, data);
1492        }
1493    }
1494
1495    @Override
1496    public void onResume() {
1497        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_RESUME);
1498        Log.v(TAG, "Build info: " + Build.DISPLAY);
1499
1500        mPaused = false;
1501        updateStorageSpaceAndHint(null);
1502
1503        mLastLayoutOrientation = getResources().getConfiguration().orientation;
1504
1505        // TODO: Handle this in OrientationManager.
1506        // Auto-rotate off
1507        if (Settings.System.getInt(getContentResolver(),
1508                Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {
1509            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
1510            mAutoRotateScreen = false;
1511        } else {
1512            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
1513            mAutoRotateScreen = true;
1514        }
1515
1516        String action = getIntent().getAction();
1517        // Foreground event logging
1518        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(action)) {
1519            UsageStatistics.instance().foregrounded(ForegroundSource.ACTION_VIDEO_CAPTURE,
1520                    currentUserInterfaceMode());
1521        } else if (MediaStore.ACTION_IMAGE_CAPTURE.equals(action)) {
1522            UsageStatistics.instance().foregrounded(ForegroundSource.ACTION_IMAGE_CAPTURE,
1523                    currentUserInterfaceMode());
1524        } else if (MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(action) ||
1525                INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)) {
1526            // logged in onCreate()
1527        } else if (Intent.ACTION_MAIN.equals(action)) {
1528            UsageStatistics.instance().foregrounded(ForegroundSource.ACTION_MAIN,
1529                    currentUserInterfaceMode());
1530        } else {
1531            UsageStatistics.instance().foregrounded(ForegroundSource.UNKNOWN_SOURCE,
1532                    currentUserInterfaceMode());
1533        }
1534
1535        Drawable galleryLogo;
1536        if (mSecureCamera) {
1537            mGalleryIntent = null;
1538            galleryLogo = null;
1539        } else {
1540            mGalleryIntent = IntentHelper.getDefaultGalleryIntent(mAppContext);
1541            galleryLogo = IntentHelper.getGalleryIcon(mAppContext, mGalleryIntent);
1542        }
1543        if (galleryLogo == null) {
1544            try {
1545                galleryLogo = getPackageManager().getActivityLogo(getComponentName());
1546            } catch (PackageManager.NameNotFoundException e) {
1547                Log.e(TAG, "Can't get the activity logo");
1548            }
1549        }
1550        if (mGalleryIntent != null) {
1551            mActionBar.setDisplayUseLogoEnabled(true);
1552        }
1553        mActionBar.setLogo(galleryLogo);
1554        mOrientationManager.resume();
1555        super.onResume();
1556        mPeekAnimationThread = new HandlerThread("Peek animation");
1557        mPeekAnimationThread.start();
1558        mPeekAnimationHandler = new PeekAnimationHandler(mPeekAnimationThread.getLooper());
1559
1560        mCurrentModule.hardResetSettings(mSettingsManager);
1561        mCurrentModule.resume();
1562        UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
1563                NavigationChange.InteractionCause.BUTTON);
1564        setSwipingEnabled(true);
1565
1566        if (!mResetToPreviewOnResume) {
1567            LocalData data = mDataAdapter.getLocalData(mFilmstripController.getCurrentId());
1568            if (data != null) {
1569                mDataAdapter.refresh(data.getUri());
1570            }
1571        }
1572        // The share button might be disabled to avoid double tapping.
1573        mCameraAppUI.getFilmstripBottomControls().setShareEnabled(true);
1574        // Default is showing the preview, unless disabled by explicitly
1575        // starting an activity we want to return from to the filmstrip rather
1576        // than the preview.
1577        mResetToPreviewOnResume = true;
1578
1579        if (mLocalVideosObserver.isMediaDataChangedDuringPause()
1580                || mLocalImagesObserver.isMediaDataChangedDuringPause()) {
1581            if (!mSecureCamera) {
1582                // If it's secure camera, requestLoad() should not be called
1583                // as it will load all the data.
1584                if (!mFilmstripVisible) {
1585                    mDataAdapter.requestLoad(new Callback<Void>() {
1586                        @Override
1587                        public void onCallback(Void result) {
1588                            fillTemporarySessions();
1589                        }
1590                    });
1591                } else {
1592                    mDataAdapter.requestLoadNewPhotos();
1593                }
1594            }
1595        }
1596        mLocalImagesObserver.setActivityPaused(false);
1597        mLocalVideosObserver.setActivityPaused(false);
1598        if (!mSecureCamera) {
1599            mLocalImagesObserver.setForegroundChangeListener(
1600                    new LocalMediaObserver.ChangeListener() {
1601                @Override
1602                public void onChange() {
1603                    mDataAdapter.requestLoadNewPhotos();
1604                }
1605            });
1606        }
1607
1608        keepScreenOnForAWhile();
1609
1610        // Lights-out mode at all times.
1611        final View rootView = findViewById(R.id.activity_root_view);
1612        mLightsOutRunnable.run();
1613        getWindow().getDecorView().setOnSystemUiVisibilityChangeListener(
1614                new OnSystemUiVisibilityChangeListener() {
1615                    @Override
1616                    public void onSystemUiVisibilityChange(int visibility) {
1617                        mMainHandler.removeCallbacks(mLightsOutRunnable);
1618                        mMainHandler.postDelayed(mLightsOutRunnable, LIGHTS_OUT_DELAY_MS);
1619                    }
1620                });
1621
1622        mPanoramaViewHelper.onResume();
1623        ReleaseDialogHelper.showReleaseInfoDialogOnStart(this, mSettingsManager);
1624        syncLocationManagerSetting();
1625
1626        final int previewVisibility = getPreviewVisibility();
1627        updatePreviewRendering(previewVisibility);
1628    }
1629
1630    private void fillTemporarySessions() {
1631        if (mSecureCamera) {
1632            return;
1633        }
1634        // There might be sessions still in flight (processed by our service).
1635        // Make sure they're added to the filmstrip.
1636        getServices().getCaptureSessionManager().fillTemporarySession(mSessionListener);
1637    }
1638
1639    @Override
1640    public void onStart() {
1641        super.onStart();
1642        mPanoramaViewHelper.onStart();
1643
1644        /*
1645         * If we're starting after launching a different Activity (lockscreen),
1646         * we need to use the last mode used in the other Activity, and
1647         * not the old one from this Activity.
1648         *
1649         * This needs to happen before CameraAppUI.resume() in order to set the
1650         * mode cover icon to the actual last mode used.
1651         *
1652         * Right now we exclude capture intents from this logic.
1653         */
1654        int modeIndex = getModeIndex();
1655        if (!isCaptureIntent() && mCurrentModeIndex != modeIndex) {
1656            onModeSelected(modeIndex);
1657        }
1658
1659        if (mResetToPreviewOnResume) {
1660            mCameraAppUI.resume();
1661            mResetToPreviewOnResume = false;
1662        }
1663    }
1664
1665    @Override
1666    protected void onStop() {
1667        mPanoramaViewHelper.onStop();
1668        if (mFeedbackHelper != null) {
1669            mFeedbackHelper.stopFeedback();
1670        }
1671
1672        mLocationManager.disconnect();
1673        super.onStop();
1674    }
1675
1676    @Override
1677    public void onDestroy() {
1678        if (mSecureCamera) {
1679            unregisterReceiver(mScreenOffReceiver);
1680        }
1681        mActionBar.removeOnMenuVisibilityListener(this);
1682        mSettingsManager.removeAllListeners();
1683        mCameraController.removeCallbackReceiver();
1684        getContentResolver().unregisterContentObserver(mLocalImagesObserver);
1685        getContentResolver().unregisterContentObserver(mLocalVideosObserver);
1686        getServices().getCaptureSessionManager().removeSessionListener(mSessionListener);
1687        mCameraAppUI.onDestroy();
1688        mModeListView.setVisibilityChangedListener(null);
1689        mCameraController = null;
1690        mSettingsManager = null;
1691        mCameraAppUI = null;
1692        mOrientationManager = null;
1693        mButtonManager = null;
1694        CameraManagerFactory.recycle();
1695        super.onDestroy();
1696    }
1697
1698    @Override
1699    public void onConfigurationChanged(Configuration config) {
1700        super.onConfigurationChanged(config);
1701        Log.v(TAG, "onConfigurationChanged");
1702        if (config.orientation == Configuration.ORIENTATION_UNDEFINED) {
1703            return;
1704        }
1705
1706        if (mLastLayoutOrientation != config.orientation) {
1707            mLastLayoutOrientation = config.orientation;
1708            mCurrentModule.onLayoutOrientationChanged(
1709                    mLastLayoutOrientation == Configuration.ORIENTATION_LANDSCAPE);
1710        }
1711    }
1712
1713    @Override
1714    public boolean onKeyDown(int keyCode, KeyEvent event) {
1715        if (!mFilmstripVisible) {
1716            if (mCurrentModule.onKeyDown(keyCode, event)) {
1717                return true;
1718            }
1719            // Prevent software keyboard or voice search from showing up.
1720            if (keyCode == KeyEvent.KEYCODE_SEARCH
1721                    || keyCode == KeyEvent.KEYCODE_MENU) {
1722                if (event.isLongPress()) {
1723                    return true;
1724                }
1725            }
1726        }
1727
1728        return super.onKeyDown(keyCode, event);
1729    }
1730
1731    @Override
1732    public boolean onKeyUp(int keyCode, KeyEvent event) {
1733        if (!mFilmstripVisible) {
1734            // If a module is in the middle of capture, it should
1735            // consume the key event.
1736            if (mCurrentModule.onKeyUp(keyCode, event)) {
1737                return true;
1738            } else if (keyCode == KeyEvent.KEYCODE_MENU
1739                    || keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1740                // Let the mode list view consume the event.
1741                mModeListView.onMenuPressed();
1742                return true;
1743            } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1744                mCameraAppUI.showFilmstrip();
1745                return true;
1746            }
1747        } else {
1748            if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1749                mFilmstripController.goToNextItem();
1750                return true;
1751            } else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1752                boolean wentToPrevious = mFilmstripController.goToPreviousItem();
1753                if (!wentToPrevious) {
1754                  // at beginning of filmstrip, hide and go back to preview
1755                  mCameraAppUI.hideFilmstrip();
1756                }
1757                return true;
1758            }
1759        }
1760        return super.onKeyUp(keyCode, event);
1761    }
1762
1763    @Override
1764    public void onBackPressed() {
1765        if (!mCameraAppUI.onBackPressed()) {
1766            if (!mCurrentModule.onBackPressed()) {
1767                super.onBackPressed();
1768            }
1769        }
1770    }
1771
1772    @Override
1773    public boolean isAutoRotateScreen() {
1774        // TODO: Move to OrientationManager.
1775        return mAutoRotateScreen;
1776    }
1777
1778    @Override
1779    public boolean onCreateOptionsMenu(Menu menu) {
1780        MenuInflater inflater = getMenuInflater();
1781        inflater.inflate(R.menu.filmstrip_menu, menu);
1782        mActionBarMenu = menu;
1783        return super.onCreateOptionsMenu(menu);
1784    }
1785
1786    protected long getStorageSpaceBytes() {
1787        synchronized (mStorageSpaceLock) {
1788            return mStorageSpaceBytes;
1789        }
1790    }
1791
1792    protected interface OnStorageUpdateDoneListener {
1793        public void onStorageUpdateDone(long bytes);
1794    }
1795
1796    protected void updateStorageSpaceAndHint(final OnStorageUpdateDoneListener callback) {
1797        /*
1798         * We execute disk operations on a background thread in order to
1799         * free up the UI thread.  Synchronizing on the lock below ensures
1800         * that when getStorageSpaceBytes is called, the main thread waits
1801         * until this method has completed.
1802         *
1803         * However, .execute() does not ensure this execution block will be
1804         * run right away (.execute() schedules this AsyncTask for sometime
1805         * in the future. executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR)
1806         * tries to execute the task in parellel with other AsyncTasks, but
1807         * there's still no guarantee).
1808         * e.g. don't call this then immediately call getStorageSpaceBytes().
1809         * Instead, pass in an OnStorageUpdateDoneListener.
1810         */
1811        (new AsyncTask<Void, Void, Long>() {
1812            @Override
1813            protected Long doInBackground(Void ... arg) {
1814                synchronized (mStorageSpaceLock) {
1815                    mStorageSpaceBytes = Storage.getAvailableSpace();
1816                    return mStorageSpaceBytes;
1817                }
1818            }
1819
1820            @Override
1821            protected void onPostExecute(Long bytes) {
1822                updateStorageHint(bytes);
1823                if (callback != null) {
1824                    callback.onStorageUpdateDone(bytes);
1825                }
1826            }
1827        }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
1828    }
1829
1830    protected void updateStorageHint(long storageSpace) {
1831        String message = null;
1832        if (storageSpace == Storage.UNAVAILABLE) {
1833            message = getString(R.string.no_storage);
1834        } else if (storageSpace == Storage.PREPARING) {
1835            message = getString(R.string.preparing_sd);
1836        } else if (storageSpace == Storage.UNKNOWN_SIZE) {
1837            message = getString(R.string.access_sd_fail);
1838        } else if (storageSpace <= Storage.LOW_STORAGE_THRESHOLD_BYTES) {
1839            message = getString(R.string.spaceIsLow_content);
1840        }
1841
1842        if (message != null) {
1843            Log.w(TAG, "Storage warning: " + message);
1844            if (mStorageHint == null) {
1845                mStorageHint = OnScreenHint.makeText(CameraActivity.this, message);
1846            } else {
1847                mStorageHint.setText(message);
1848            }
1849            mStorageHint.show();
1850        } else if (mStorageHint != null) {
1851            mStorageHint.cancel();
1852            mStorageHint = null;
1853       }
1854    }
1855
1856    protected void setResultEx(int resultCode) {
1857        mResultCodeForTesting = resultCode;
1858        setResult(resultCode);
1859    }
1860
1861    protected void setResultEx(int resultCode, Intent data) {
1862        mResultCodeForTesting = resultCode;
1863        mResultDataForTesting = data;
1864        setResult(resultCode, data);
1865    }
1866
1867    public int getResultCode() {
1868        return mResultCodeForTesting;
1869    }
1870
1871    public Intent getResultData() {
1872        return mResultDataForTesting;
1873    }
1874
1875    public boolean isSecureCamera() {
1876        return mSecureCamera;
1877    }
1878
1879    @Override
1880    public boolean isPaused() {
1881        return mPaused;
1882    }
1883
1884    @Override
1885    public int getPreferredChildModeIndex(int modeIndex) {
1886        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
1887            boolean hdrPlusOn = mSettingsManager.isHdrPlusOn();
1888            if (hdrPlusOn && GcamHelper.hasGcamCapture()) {
1889                modeIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1890            }
1891        }
1892        return modeIndex;
1893    }
1894
1895    @Override
1896    public void onModeSelected(int modeIndex) {
1897        if (mCurrentModeIndex == modeIndex) {
1898            return;
1899        }
1900
1901        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.MODE_SWITCH_START);
1902        // Record last used camera mode for quick switching
1903        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)
1904                || modeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
1905            mSettingsManager.setInt(SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX,
1906                    modeIndex);
1907        }
1908
1909        closeModule(mCurrentModule);
1910
1911        // Select the correct module index from the mode switcher index.
1912        modeIndex = getPreferredChildModeIndex(modeIndex);
1913        setModuleFromModeIndex(modeIndex);
1914
1915        mCameraAppUI.resetBottomControls(mCurrentModule, modeIndex);
1916        mCameraAppUI.addShutterListener(mCurrentModule);
1917        openModule(mCurrentModule);
1918        mCurrentModule.onOrientationChanged(mLastRawOrientation);
1919        // Store the module index so we can use it the next time the Camera
1920        // starts up.
1921        mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX, modeIndex);
1922    }
1923
1924    /**
1925     * Shows the settings dialog.
1926     */
1927    @Override
1928    public void onSettingsSelected() {
1929        UsageStatistics.instance().controlUsed(
1930                eventprotos.ControlEvent.ControlType.OVERALL_SETTINGS);
1931        Intent intent = new Intent(this, CameraSettingsActivity.class);
1932        startActivity(intent);
1933    }
1934
1935    /**
1936     * Sets the mCurrentModuleIndex, creates a new module instance for the given
1937     * index an sets it as mCurrentModule.
1938     */
1939    private void setModuleFromModeIndex(int modeIndex) {
1940        ModuleManagerImpl.ModuleAgent agent = mModuleManager.getModuleAgent(modeIndex);
1941        if (agent == null) {
1942            return;
1943        }
1944        if (!agent.requestAppForCamera()) {
1945            mCameraController.closeCamera();
1946        }
1947        mCurrentModeIndex = agent.getModuleId();
1948        mCurrentModule = (CameraModule) agent.createModule(this);
1949    }
1950
1951    @Override
1952    public SettingsManager getSettingsManager() {
1953        return mSettingsManager;
1954    }
1955
1956    @Override
1957    public CameraServices getServices() {
1958        return (CameraServices) getApplication();
1959    }
1960
1961    public List<String> getSupportedModeNames() {
1962        List<Integer> indices = mModuleManager.getSupportedModeIndexList();
1963        List<String> supported = new ArrayList<String>();
1964
1965        for (Integer modeIndex : indices) {
1966            String name = CameraUtil.getCameraModeText(modeIndex, mAppContext);
1967            if (name != null && !name.equals("")) {
1968                supported.add(name);
1969            }
1970        }
1971        return supported;
1972    }
1973
1974    @Override
1975    public ButtonManager getButtonManager() {
1976        if (mButtonManager == null) {
1977            mButtonManager = new ButtonManager(this);
1978        }
1979        return mButtonManager;
1980    }
1981
1982    /**
1983     * Creates an AlertDialog appropriate for choosing whether to enable
1984     * location on the first run of the app.
1985     */
1986    public AlertDialog getFirstTimeLocationAlert() {
1987        AlertDialog.Builder builder = new AlertDialog.Builder(this);
1988        builder = SettingsUtil.getFirstTimeLocationAlertBuilder(builder, new Callback<Boolean>() {
1989            @Override
1990            public void onCallback(Boolean locationOn) {
1991                mSettingsManager.setLocation(locationOn, mLocationManager);
1992            }
1993        });
1994        if (builder != null) {
1995            return builder.create();
1996        } else {
1997            return null;
1998        }
1999    }
2000
2001    /**
2002     * Launches an ACTION_EDIT intent for the given local data item. If
2003     * 'withTinyPlanet' is set, this will show a disambig dialog first to let
2004     * the user start either the tiny planet editor or another photo edior.
2005     *
2006     * @param data The data item to edit.
2007     */
2008    public void launchEditor(LocalData data) {
2009        Intent intent = new Intent(Intent.ACTION_EDIT)
2010                .setDataAndType(data.getUri(), data.getMimeType())
2011                .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
2012        try {
2013            launchActivityByIntent(intent);
2014        } catch (ActivityNotFoundException e) {
2015            launchActivityByIntent(Intent.createChooser(intent, null));
2016        }
2017    }
2018
2019    @Override
2020    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
2021        super.onCreateContextMenu(menu, v, menuInfo);
2022
2023        MenuInflater inflater = getMenuInflater();
2024        inflater.inflate(R.menu.filmstrip_context_menu, menu);
2025    }
2026
2027    @Override
2028    public boolean onContextItemSelected(MenuItem item) {
2029        switch (item.getItemId()) {
2030            case R.id.tiny_planet_editor:
2031                mMyFilmstripBottomControlListener.onTinyPlanet();
2032                return true;
2033            case R.id.photo_editor:
2034                mMyFilmstripBottomControlListener.onEdit();
2035                return true;
2036        }
2037        return false;
2038    }
2039
2040    /**
2041     * Launch the tiny planet editor.
2042     *
2043     * @param data The data must be a 360 degree stereographically mapped
2044     *            panoramic image. It will not be modified, instead a new item
2045     *            with the result will be added to the filmstrip.
2046     */
2047    public void launchTinyPlanetEditor(LocalData data) {
2048        TinyPlanetFragment fragment = new TinyPlanetFragment();
2049        Bundle bundle = new Bundle();
2050        bundle.putString(TinyPlanetFragment.ARGUMENT_URI, data.getUri().toString());
2051        bundle.putString(TinyPlanetFragment.ARGUMENT_TITLE, data.getTitle());
2052        fragment.setArguments(bundle);
2053        fragment.show(getFragmentManager(), "tiny_planet");
2054    }
2055
2056    /**
2057     * Returns what UI mode (capture mode or filmstrip) we are in.
2058     * Returned number one of {@link com.google.common.logging.eventprotos.NavigationChange.Mode}
2059     */
2060    private int currentUserInterfaceMode() {
2061        int mode = NavigationChange.Mode.UNKNOWN_MODE;
2062        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
2063            mode = NavigationChange.Mode.PHOTO_CAPTURE;
2064        }
2065        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_video)) {
2066            mode = NavigationChange.Mode.VIDEO_CAPTURE;
2067        }
2068        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_refocus)) {
2069            mode = NavigationChange.Mode.LENS_BLUR;
2070        }
2071        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
2072            mode = NavigationChange.Mode.HDR_PLUS;
2073        }
2074        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_photosphere)) {
2075            mode = NavigationChange.Mode.PHOTO_SPHERE;
2076        }
2077        if (mCurrentModeIndex == getResources().getInteger(R.integer.camera_mode_panorama)) {
2078            mode = NavigationChange.Mode.PANORAMA;
2079        }
2080        if (mFilmstripVisible) {
2081            mode = NavigationChange.Mode.FILMSTRIP;
2082        }
2083        return mode;
2084    }
2085
2086    private void openModule(CameraModule module) {
2087        module.init(this, isSecureCamera(), isCaptureIntent());
2088        module.hardResetSettings(mSettingsManager);
2089        module.resume();
2090        UsageStatistics.instance().changeScreen(currentUserInterfaceMode(),
2091                NavigationChange.InteractionCause.BUTTON);
2092        updatePreviewVisibility();
2093    }
2094
2095    private void closeModule(CameraModule module) {
2096        module.pause();
2097        mCameraAppUI.clearModuleUI();
2098    }
2099
2100    private void performDeletion() {
2101        if (!mPendingDeletion) {
2102            return;
2103        }
2104        hideUndoDeletionBar(false);
2105        mDataAdapter.executeDeletion();
2106    }
2107
2108    public void showUndoDeletionBar() {
2109        if (mPendingDeletion) {
2110            performDeletion();
2111        }
2112        Log.v(TAG, "showing undo bar");
2113        mPendingDeletion = true;
2114        if (mUndoDeletionBar == null) {
2115            ViewGroup v = (ViewGroup) getLayoutInflater().inflate(R.layout.undo_bar,
2116                    mAboveFilmstripControlLayout, true);
2117            mUndoDeletionBar = (ViewGroup) v.findViewById(R.id.camera_undo_deletion_bar);
2118            View button = mUndoDeletionBar.findViewById(R.id.camera_undo_deletion_button);
2119            button.setOnClickListener(new View.OnClickListener() {
2120                @Override
2121                public void onClick(View view) {
2122                    mDataAdapter.undoDataRemoval();
2123                    hideUndoDeletionBar(true);
2124                }
2125            });
2126            // Setting undo bar clickable to avoid touch events going through
2127            // the bar to the buttons (eg. edit button, etc) underneath the bar.
2128            mUndoDeletionBar.setClickable(true);
2129            // When there is user interaction going on with the undo button, we
2130            // do not want to hide the undo bar.
2131            button.setOnTouchListener(new View.OnTouchListener() {
2132                @Override
2133                public boolean onTouch(View v, MotionEvent event) {
2134                    if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
2135                        mIsUndoingDeletion = true;
2136                    } else if (event.getActionMasked() == MotionEvent.ACTION_UP) {
2137                        mIsUndoingDeletion = false;
2138                    }
2139                    return false;
2140                }
2141            });
2142        }
2143        mUndoDeletionBar.setAlpha(0f);
2144        mUndoDeletionBar.setVisibility(View.VISIBLE);
2145        mUndoDeletionBar.animate().setDuration(200).alpha(1f).setListener(null).start();
2146    }
2147
2148    private void hideUndoDeletionBar(boolean withAnimation) {
2149        Log.v(TAG, "Hiding undo deletion bar");
2150        mPendingDeletion = false;
2151        if (mUndoDeletionBar != null) {
2152            if (withAnimation) {
2153                mUndoDeletionBar.animate().setDuration(200).alpha(0f)
2154                        .setListener(new Animator.AnimatorListener() {
2155                            @Override
2156                            public void onAnimationStart(Animator animation) {
2157                                // Do nothing.
2158                            }
2159
2160                            @Override
2161                            public void onAnimationEnd(Animator animation) {
2162                                mUndoDeletionBar.setVisibility(View.GONE);
2163                            }
2164
2165                            @Override
2166                            public void onAnimationCancel(Animator animation) {
2167                                // Do nothing.
2168                            }
2169
2170                            @Override
2171                            public void onAnimationRepeat(Animator animation) {
2172                                // Do nothing.
2173                            }
2174                        }).start();
2175            } else {
2176                mUndoDeletionBar.setVisibility(View.GONE);
2177            }
2178        }
2179    }
2180
2181    @Override
2182    public void onOrientationChanged(int orientation) {
2183        // We keep the last known orientation. So if the user first orient
2184        // the camera then point the camera to floor or sky, we still have
2185        // the correct orientation.
2186        if (orientation == OrientationManager.ORIENTATION_UNKNOWN) {
2187            return;
2188        }
2189        mLastRawOrientation = orientation;
2190        if (mCurrentModule != null) {
2191            mCurrentModule.onOrientationChanged(orientation);
2192        }
2193    }
2194
2195    /**
2196     * Enable/disable swipe-to-filmstrip. Will always disable swipe if in
2197     * capture intent.
2198     *
2199     * @param enable {@code true} to enable swipe.
2200     */
2201    public void setSwipingEnabled(boolean enable) {
2202        // TODO: Bring back the functionality.
2203        if (isCaptureIntent()) {
2204            // lockPreview(true);
2205        } else {
2206            // lockPreview(!enable);
2207        }
2208    }
2209
2210    // Accessor methods for getting latency times used in performance testing
2211    public long getFirstPreviewTime() {
2212        if (mCurrentModule instanceof PhotoModule) {
2213            long coverHiddenTime = getCameraAppUI().getCoverHiddenTime();
2214            if (coverHiddenTime != -1) {
2215                return coverHiddenTime - mOnCreateTime;
2216            }
2217        }
2218        return -1;
2219    }
2220
2221    public long getAutoFocusTime() {
2222        return (mCurrentModule instanceof PhotoModule) ?
2223                ((PhotoModule) mCurrentModule).mAutoFocusTime : -1;
2224    }
2225
2226    public long getShutterLag() {
2227        return (mCurrentModule instanceof PhotoModule) ?
2228                ((PhotoModule) mCurrentModule).mShutterLag : -1;
2229    }
2230
2231    public long getShutterToPictureDisplayedTime() {
2232        return (mCurrentModule instanceof PhotoModule) ?
2233                ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1;
2234    }
2235
2236    public long getPictureDisplayedToJpegCallbackTime() {
2237        return (mCurrentModule instanceof PhotoModule) ?
2238                ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1;
2239    }
2240
2241    public long getJpegCallbackFinishTime() {
2242        return (mCurrentModule instanceof PhotoModule) ?
2243                ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1;
2244    }
2245
2246    public long getCaptureStartTime() {
2247        return (mCurrentModule instanceof PhotoModule) ?
2248                ((PhotoModule) mCurrentModule).mCaptureStartTime : -1;
2249    }
2250
2251    public boolean isRecording() {
2252        return (mCurrentModule instanceof VideoModule) ?
2253                ((VideoModule) mCurrentModule).isRecording() : false;
2254    }
2255
2256    public CameraManager.CameraOpenCallback getCameraOpenErrorCallback() {
2257        return mCameraController;
2258    }
2259
2260    // For debugging purposes only.
2261    public CameraModule getCurrentModule() {
2262        return mCurrentModule;
2263    }
2264
2265    @Override
2266    public void showTutorial(AbstractTutorialOverlay tutorial) {
2267        mCameraAppUI.showTutorial(tutorial, getLayoutInflater());
2268    }
2269
2270    /**
2271     * Reads the current location recording settings and passes it on to the
2272     * location manager.
2273     */
2274    public void syncLocationManagerSetting() {
2275        mSettingsManager.syncLocationManager(mLocationManager);
2276    }
2277
2278    private void keepScreenOnForAWhile() {
2279        if (mKeepScreenOn) {
2280            return;
2281        }
2282        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2283        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2284        mMainHandler.sendEmptyMessageDelayed(MSG_CLEAR_SCREEN_ON_FLAG, SCREEN_DELAY_MS);
2285    }
2286
2287    private void resetScreenOn() {
2288        mKeepScreenOn = false;
2289        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2290        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2291    }
2292
2293    /**
2294     * @return {@code true} if the Gallery is launched successfully.
2295     */
2296    private boolean startGallery() {
2297        if (mGalleryIntent == null) {
2298            return false;
2299        }
2300        try {
2301            UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
2302                    NavigationChange.InteractionCause.BUTTON);
2303            Intent startGalleryIntent = new Intent(mGalleryIntent);
2304            int currentDataId = mFilmstripController.getCurrentId();
2305            LocalData currentLocalData = mDataAdapter.getLocalData(currentDataId);
2306            if (currentLocalData != null) {
2307                GalleryHelper.setContentUri(startGalleryIntent, currentLocalData.getUri());
2308            }
2309            launchActivityByIntent(startGalleryIntent);
2310        } catch (ActivityNotFoundException e) {
2311            Log.w(TAG, "Failed to launch gallery activity, closing");
2312        }
2313        return false;
2314    }
2315
2316    private void setNfcBeamPushUriFromData(LocalData data) {
2317        final Uri uri = data.getUri();
2318        if (uri != Uri.EMPTY) {
2319            mNfcPushUris[0] = uri;
2320        } else {
2321            mNfcPushUris[0] = null;
2322        }
2323    }
2324
2325    /**
2326     * Updates the visibility of the filmstrip bottom controls and action bar.
2327     */
2328    private void updateUiByData(final int dataId) {
2329        final LocalData currentData = mDataAdapter.getLocalData(dataId);
2330        if (currentData == null) {
2331            Log.w(TAG, "Current data ID not found.");
2332            hideSessionProgress();
2333            return;
2334        }
2335        updateActionBarMenu(currentData);
2336
2337        /* Bottom controls. */
2338        updateBottomControlsByData(currentData);
2339
2340        if (isSecureCamera()) {
2341            // We cannot show buttons in secure camera since go to other
2342            // activities might create a security hole.
2343            mCameraAppUI.getFilmstripBottomControls().hideControls();
2344            return;
2345        }
2346
2347
2348        setNfcBeamPushUriFromData(currentData);
2349
2350        if (!mDataAdapter.isMetadataUpdated(dataId)) {
2351            mDataAdapter.updateMetadata(dataId);
2352        }
2353    }
2354
2355    /**
2356     * Updates the bottom controls based on the data.
2357     */
2358    private void updateBottomControlsByData(final LocalData currentData) {
2359
2360        final CameraAppUI.BottomPanel filmstripBottomPanel =
2361                mCameraAppUI.getFilmstripBottomControls();
2362        filmstripBottomPanel.showControls();
2363        filmstripBottomPanel.setEditButtonVisibility(
2364                currentData.isDataActionSupported(LocalData.DATA_ACTION_EDIT));
2365        filmstripBottomPanel.setShareButtonVisibility(
2366                currentData.isDataActionSupported(LocalData.DATA_ACTION_SHARE));
2367        filmstripBottomPanel.setDeleteButtonVisibility(
2368                currentData.isDataActionSupported(LocalData.DATA_ACTION_DELETE));
2369
2370        /* Progress bar */
2371
2372        Uri contentUri = currentData.getUri();
2373        CaptureSessionManager sessionManager = getServices()
2374                .getCaptureSessionManager();
2375
2376        if (sessionManager.hasErrorMessage(contentUri)) {
2377            showProcessError(sessionManager.getErrorMesage(contentUri));
2378        } else {
2379            filmstripBottomPanel.hideProgressError();
2380            CaptureSession session = sessionManager.getSession(contentUri);
2381
2382            if (session != null) {
2383                int sessionProgress = session.getProgress();
2384
2385                if (sessionProgress < 0) {
2386                    hideSessionProgress();
2387                } else {
2388                    CharSequence progressMessage = session.getProgressMessage();
2389                    showSessionProgress(progressMessage);
2390                    updateSessionProgress(sessionProgress);
2391                }
2392            } else {
2393                hideSessionProgress();
2394            }
2395        }
2396
2397        /* View button */
2398
2399        // We need to add this to a separate DB.
2400        final int viewButtonVisibility;
2401        if (PanoramaMetadataLoader.isPanoramaAndUseViewer(currentData)) {
2402            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_PHOTO_SPHERE;
2403        } else if (RgbzMetadataLoader.hasRGBZData(currentData)) {
2404            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_REFOCUS;
2405        } else {
2406            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_NONE;
2407        }
2408
2409        filmstripBottomPanel.setTinyPlanetEnabled(
2410                PanoramaMetadataLoader.isPanorama360(currentData));
2411        filmstripBottomPanel.setViewerButtonVisibility(viewButtonVisibility);
2412    }
2413
2414    private class PeekAnimationHandler extends Handler {
2415        private class DataAndCallback {
2416            LocalData mData;
2417            com.android.camera.util.Callback<Bitmap> mCallback;
2418
2419            public DataAndCallback(LocalData data, com.android.camera.util.Callback<Bitmap>
2420                    callback) {
2421                mData = data;
2422                mCallback = callback;
2423            }
2424        }
2425
2426        public PeekAnimationHandler(Looper looper) {
2427            super(looper);
2428        }
2429
2430        /**
2431         * Starts the animation decoding job and posts a {@code Runnable} back
2432         * when when the decoding is done.
2433         *
2434         * @param data The data item to decode the thumbnail for.
2435         * @param callback {@link com.android.camera.util.Callback} after the
2436         *                 decoding is done.
2437         */
2438        public void startDecodingJob(final LocalData data,
2439                final com.android.camera.util.Callback<Bitmap> callback) {
2440            PeekAnimationHandler.this.obtainMessage(0 /** dummy integer **/,
2441                    new DataAndCallback(data, callback)).sendToTarget();
2442        }
2443
2444        @Override
2445        public void handleMessage(Message msg) {
2446            final LocalData data = ((DataAndCallback) msg.obj).mData;
2447            final com.android.camera.util.Callback<Bitmap> callback =
2448                    ((DataAndCallback) msg.obj).mCallback;
2449            if (data == null || callback == null) {
2450                return;
2451            }
2452
2453            final Bitmap bitmap;
2454            switch (data.getLocalDataType()) {
2455                case LocalData.LOCAL_IN_PROGRESS_DATA:
2456                    byte[] jpegData = Storage.getJpegForSession(data.getUri());
2457                    if (jpegData != null) {
2458                        bitmap = BitmapFactory.decodeByteArray(jpegData, 0, jpegData.length);
2459                    } else {
2460                        bitmap = null;
2461                    }
2462                    break;
2463
2464                case LocalData.LOCAL_IMAGE:
2465                    FileInputStream stream;
2466                    try {
2467                        stream = new FileInputStream(data.getPath());
2468                    } catch (FileNotFoundException e) {
2469                        Log.e(TAG, "File not found:" + data.getPath());
2470                        return;
2471                    }
2472                    Point dim = CameraUtil.resizeToFill(data.getWidth(), data.getHeight(),
2473                            data.getRotation(), mAboveFilmstripControlLayout.getWidth(),
2474                            mAboveFilmstripControlLayout.getMeasuredHeight());
2475                    if (data.getRotation() % 180 != 0) {
2476                        int dummy = dim.x;
2477                        dim.x = dim.y;
2478                        dim.y = dummy;
2479                    }
2480                    bitmap = LocalDataUtil
2481                            .loadImageThumbnailFromStream(stream, data.getWidth(), data.getHeight(),
2482                                    (int) (dim.x * 0.7f), (int) (dim.y * 0.7),
2483                                    data.getRotation(), MAX_PEEK_BITMAP_PIXELS);
2484                    break;
2485
2486                case LocalData.LOCAL_VIDEO:
2487                    bitmap = LocalDataUtil.loadVideoThumbnail(data.getPath());
2488                    break;
2489
2490                default:
2491                    bitmap = null;
2492                    break;
2493            }
2494
2495            if (bitmap == null) {
2496                return;
2497            }
2498
2499            mMainHandler.post(new Runnable() {
2500                @Override
2501                public void run() {
2502                    callback.onCallback(bitmap);
2503                }
2504            });
2505        }
2506    }
2507
2508    private void showDetailsDialog(int dataId) {
2509        final LocalData data = mDataAdapter.getLocalData(dataId);
2510        if (data == null) {
2511            return;
2512        }
2513        MediaDetails details = data.getMediaDetails(getAndroidContext());
2514        if (details == null) {
2515            return;
2516        }
2517        Dialog detailDialog = DetailsDialog.create(CameraActivity.this, details);
2518        detailDialog.show();
2519        UsageStatistics.instance().mediaInteraction(
2520                fileNameFromDataID(dataId), MediaInteraction.InteractionType.DETAILS,
2521                NavigationChange.InteractionCause.BUTTON);
2522    }
2523
2524    /**
2525     * Show or hide action bar items depending on current data type.
2526     */
2527    private void updateActionBarMenu(LocalData data) {
2528        if (mActionBarMenu == null) {
2529            return;
2530        }
2531
2532        MenuItem detailsMenuItem = mActionBarMenu.findItem(R.id.action_details);
2533        if (detailsMenuItem == null) {
2534            return;
2535        }
2536
2537        int type = data.getLocalDataType();
2538        boolean showDetails = (type == LocalData.LOCAL_IMAGE) || (type == LocalData.LOCAL_VIDEO);
2539        detailsMenuItem.setVisible(showDetails);
2540    }
2541}
2542