CameraActivity.java revision a83ec8a3acb174e2688f0d31f2094e1aa72a06ee 
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.ColorDrawable;
40import android.graphics.drawable.Drawable;
41import android.net.Uri;
42import android.nfc.NfcAdapter;
43import android.nfc.NfcAdapter.CreateBeamUrisCallback;
44import android.nfc.NfcEvent;
45import android.os.AsyncTask;
46import android.os.Build;
47import android.os.Bundle;
48import android.os.Handler;
49import android.os.HandlerThread;
50import android.os.Looper;
51import android.os.Message;
52import android.provider.MediaStore;
53import android.provider.Settings;
54import android.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.ViewGroup;
64import android.view.Window;
65import android.view.WindowManager;
66import android.widget.FrameLayout;
67import android.widget.ImageView;
68import android.widget.ShareActionProvider;
69
70import com.android.camera.app.AppController;
71import com.android.camera.app.CameraAppUI;
72import com.android.camera.app.CameraController;
73import com.android.camera.app.CameraManager;
74import com.android.camera.app.CameraManagerFactory;
75import com.android.camera.app.CameraProvider;
76import com.android.camera.app.CameraServices;
77import com.android.camera.app.LocationManager;
78import com.android.camera.app.ModuleManagerImpl;
79import com.android.camera.app.OrientationManager;
80import com.android.camera.app.OrientationManagerImpl;
81import com.android.camera.data.CameraDataAdapter;
82import com.android.camera.data.FixedLastDataAdapter;
83import com.android.camera.data.LocalData;
84import com.android.camera.data.LocalDataAdapter;
85import com.android.camera.data.LocalDataUtil;
86import com.android.camera.data.LocalMediaData;
87import com.android.camera.data.LocalMediaObserver;
88import com.android.camera.data.LocalSessionData;
89import com.android.camera.data.MediaDetails;
90import com.android.camera.data.PanoramaMetadataLoader;
91import com.android.camera.data.RgbzMetadataLoader;
92import com.android.camera.data.SimpleViewData;
93import com.android.camera.debug.Log;
94import com.android.camera.filmstrip.FilmstripContentPanel;
95import com.android.camera.filmstrip.FilmstripController;
96import com.android.camera.hardware.HardwareSpec;
97import com.android.camera.hardware.HardwareSpecImpl;
98import com.android.camera.module.ModuleController;
99import com.android.camera.module.ModulesInfo;
100import com.android.camera.session.CaptureSession;
101import com.android.camera.session.CaptureSessionManager;
102import com.android.camera.session.CaptureSessionManager.SessionListener;
103import com.android.camera.settings.CameraSettingsActivity;
104import com.android.camera.settings.SettingsManager;
105import com.android.camera.settings.SettingsManager.SettingsCapabilities;
106import com.android.camera.settings.SettingsUtil;
107import com.android.camera.tinyplanet.TinyPlanetFragment;
108import com.android.camera.ui.AbstractTutorialOverlay;
109import com.android.camera.ui.DetailsDialog;
110import com.android.camera.ui.MainActivityLayout;
111import com.android.camera.ui.ModeListView;
112import com.android.camera.ui.ModeListView.ModeListVisibilityChangedListener;
113import com.android.camera.ui.PreviewStatusListener;
114import com.android.camera.util.ApiHelper;
115import com.android.camera.util.Callback;
116import com.android.camera.util.CameraUtil;
117import com.android.camera.util.FeedbackHelper;
118import com.android.camera.util.GalleryHelper;
119import com.android.camera.util.GcamHelper;
120import com.android.camera.util.IntentHelper;
121import com.android.camera.util.PhotoSphereHelper.PanoramaViewHelper;
122import com.android.camera.util.ReleaseDialogHelper;
123import com.android.camera.util.UsageStatistics;
124import com.android.camera.widget.FilmstripView;
125import com.android.camera.widget.Preloader;
126import com.android.camera2.R;
127import com.google.common.logging.eventprotos;
128import com.google.common.logging.eventprotos.CameraEvent.InteractionCause;
129import com.google.common.logging.eventprotos.NavigationChange;
130
131import java.io.File;
132import java.io.FileInputStream;
133import java.io.FileNotFoundException;
134import java.lang.ref.WeakReference;
135import java.util.ArrayList;
136import java.util.List;
137
138public class CameraActivity extends Activity
139        implements AppController, CameraManager.CameraOpenCallback,
140        ActionBar.OnMenuVisibilityListener, ShareActionProvider.OnShareTargetSelectedListener,
141        OrientationManager.OnOrientationChangeListener {
142
143    private static final Log.Tag TAG = new Log.Tag("CameraActivity");
144
145    private static final String INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE =
146            "android.media.action.STILL_IMAGE_CAMERA_SECURE";
147    public static final String ACTION_IMAGE_CAPTURE_SECURE =
148            "android.media.action.IMAGE_CAPTURE_SECURE";
149
150    // The intent extra for camera from secure lock screen. True if the gallery
151    // should only show newly captured pictures. sSecureAlbumId does not
152    // increment. This is used when switching between camera, camcorder, and
153    // panorama. If the extra is not set, it is in the normal camera mode.
154    public static final String SECURE_CAMERA_EXTRA = "secure_camera";
155
156    /**
157     * Request code from an activity we started that indicated that we do not
158     * want to reset the view to the preview in onResume.
159     */
160    public static final int REQ_CODE_DONT_SWITCH_TO_PREVIEW = 142;
161
162    public static final int REQ_CODE_GCAM_DEBUG_POSTCAPTURE = 999;
163
164    private static final int MSG_CLEAR_SCREEN_ON_FLAG = 2;
165    private static final long SCREEN_DELAY_MS = 2 * 60 * 1000; // 2 mins.
166    private static final int MAX_PEEK_BITMAP_PIXELS = 1600000; // 1.6 * 4 MBs.
167    /** Load metadata for 10 items ahead of our current. */
168    private static final int FILMSTRIP_PRELOAD_AHEAD_ITEMS = 10;
169
170    /** Should be used wherever a context is needed. */
171    private Context mAppContext;
172
173    /**
174     * Whether onResume should reset the view to the preview.
175     */
176    private boolean mResetToPreviewOnResume = true;
177
178    /**
179     * This data adapter is used by FilmStripView.
180     */
181    private LocalDataAdapter mDataAdapter;
182
183    /**
184     * TODO: This should be moved to the app level.
185     */
186    private SettingsManager mSettingsManager;
187
188    private ModeListView mModeListView;
189    private boolean mModeListVisible = false;
190    private int mCurrentModeIndex;
191    private CameraModule mCurrentModule;
192    private ModuleManagerImpl mModuleManager;
193    private FrameLayout mAboveFilmstripControlLayout;
194    private FilmstripController mFilmstripController;
195    private boolean mFilmstripVisible;
196    /** Whether the filmstrip fully covers the preview. */
197    private boolean mFilmstripCoversPreview = false;
198    private int mResultCodeForTesting;
199    private Intent mResultDataForTesting;
200    private OnScreenHint mStorageHint;
201    private long mStorageSpaceBytes = Storage.LOW_STORAGE_THRESHOLD_BYTES;
202    private boolean mAutoRotateScreen;
203    private boolean mSecureCamera;
204    private int mLastRawOrientation;
205    private OrientationManagerImpl mOrientationManager;
206    private LocationManager mLocationManager;
207    private ButtonManager mButtonManager;
208    private Handler mMainHandler;
209    private PanoramaViewHelper mPanoramaViewHelper;
210    private ActionBar mActionBar;
211    private ViewGroup mUndoDeletionBar;
212    private boolean mIsUndoingDeletion = false;
213
214    private final Uri[] mNfcPushUris = new Uri[1];
215
216    private LocalMediaObserver mLocalImagesObserver;
217    private LocalMediaObserver mLocalVideosObserver;
218
219    private boolean mPendingDeletion = false;
220
221    private CameraController mCameraController;
222    private boolean mPaused;
223    private CameraAppUI mCameraAppUI;
224
225    private PeekAnimationHandler mPeekAnimationHandler;
226    private HandlerThread mPeekAnimationThread;
227
228    private FeedbackHelper mFeedbackHelper;
229
230    private Intent mGalleryIntent;
231    private long mOnCreateTime;
232
233    private Menu mActionBarMenu;
234    private Preloader<Integer, AsyncTask> mPreloader;
235
236    @Override
237    public CameraAppUI getCameraAppUI() {
238        return mCameraAppUI;
239    }
240
241    // close activity when screen turns off
242    private final BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() {
243        @Override
244        public void onReceive(Context context, Intent intent) {
245            finish();
246        }
247    };
248
249    /**
250     * Whether the screen is kept turned on.
251     */
252    private boolean mKeepScreenOn;
253    private int mLastLayoutOrientation;
254    private final CameraAppUI.BottomPanel.Listener mMyFilmstripBottomControlListener =
255            new CameraAppUI.BottomPanel.Listener() {
256
257                /**
258                 * If the current photo is a photo sphere, this will launch the
259                 * Photo Sphere panorama viewer.
260                 */
261                @Override
262                public void onExternalViewer() {
263                    if (mPanoramaViewHelper == null) {
264                        return;
265                    }
266                    final LocalData data = getCurrentLocalData();
267                    if (data == null) {
268                        return;
269                    }
270                    final Uri contentUri = data.getUri();
271                    if (contentUri == Uri.EMPTY) {
272                        return;
273                    }
274
275                    if (PanoramaMetadataLoader.isPanoramaAndUseViewer(data)) {
276                        mPanoramaViewHelper.showPanorama(CameraActivity.this, contentUri);
277                    } else if (RgbzMetadataLoader.hasRGBZData(data)) {
278                        mPanoramaViewHelper.showRgbz(contentUri);
279                        if (mSettingsManager.getBoolean(
280                                SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
281                            mSettingsManager.setBoolean(
282                                    SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING,
283                                    false);
284                            mCameraAppUI.clearClingForViewer(
285                                    CameraAppUI.BottomPanel.VIEWER_REFOCUS);
286                        }
287                    }
288                }
289
290                @Override
291                public void onEdit() {
292                    LocalData data = getCurrentLocalData();
293                    if (data == null) {
294                        return;
295                    }
296                    launchEditor(data);
297                }
298
299                @Override
300                public void onTinyPlanet() {
301                    LocalData data = getCurrentLocalData();
302                    if (data == null) {
303                        return;
304                    }
305                    launchTinyPlanetEditor(data);
306                }
307
308                @Override
309                public void onDelete() {
310                    final int currentDataId = getCurrentDataId();
311                    UsageStatistics.instance().photoInteraction(
312                            UsageStatistics.hashFileName(fileNameFromDataID(currentDataId)),
313                            eventprotos.CameraEvent.InteractionType.DELETE,
314                            InteractionCause.BUTTON);
315                    removeData(currentDataId);
316                }
317
318                @Override
319                public void onShare() {
320                    final LocalData data = getCurrentLocalData();
321
322                    // If applicable, show release information before this item
323                    // is shared.
324                    if (PanoramaMetadataLoader.isPanorama(data)
325                            || RgbzMetadataLoader.hasRGBZData(data)) {
326                        ReleaseDialogHelper.showReleaseInfoDialog(CameraActivity.this,
327                                new Callback<Void>() {
328                                    @Override
329                                    public void onCallback(Void result) {
330                                        share(data);
331                                    }
332                                });
333                    } else {
334                        share(data);
335                    }
336                }
337
338                private void share(LocalData data) {
339                    Intent shareIntent = getShareIntentByData(data);
340                    if (shareIntent != null) {
341                        try {
342                            launchActivityByIntent(shareIntent);
343                            mCameraAppUI.getFilmstripBottomControls().setShareEnabled(false);
344                        } catch (ActivityNotFoundException ex) {
345                            // Nothing.
346                        }
347                    }
348                }
349
350                private int getCurrentDataId() {
351                    return mFilmstripController.getCurrentId();
352                }
353
354                private LocalData getCurrentLocalData() {
355                    return mDataAdapter.getLocalData(getCurrentDataId());
356                }
357
358                /**
359                 * Sets up the share intent and NFC properly according to the
360                 * data.
361                 *
362                 * @param data The data to be shared.
363                 */
364                private Intent getShareIntentByData(final LocalData data) {
365                    Intent intent = null;
366                    final Uri contentUri = data.getUri();
367                    if (PanoramaMetadataLoader.isPanorama360(data) &&
368                            data.getUri() != Uri.EMPTY) {
369                        intent = new Intent(Intent.ACTION_SEND);
370                        intent.setType("application/vnd.google.panorama360+jpg");
371                        intent.putExtra(Intent.EXTRA_STREAM, contentUri);
372                    } else if (data.isDataActionSupported(LocalData.DATA_ACTION_SHARE)) {
373                        final String mimeType = data.getMimeType();
374                        intent = getShareIntentFromType(mimeType);
375                        if (intent != null) {
376                            intent.putExtra(Intent.EXTRA_STREAM, contentUri);
377                            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
378                        }
379                        intent = Intent.createChooser(intent, null);
380                    }
381                    return intent;
382                }
383
384                /**
385                 * Get the share intent according to the mimeType
386                 *
387                 * @param mimeType The mimeType of current data.
388                 * @return the video/image's ShareIntent or null if mimeType is
389                 *         invalid.
390                 */
391                private Intent getShareIntentFromType(String mimeType) {
392                    // Lazily create the intent object.
393                    Intent intent = new Intent(Intent.ACTION_SEND);
394                    if (mimeType.startsWith("video/")) {
395                        intent.setType("video/*");
396                    } else {
397                        if (mimeType.startsWith("image/")) {
398                            intent.setType("image/*");
399                        } else {
400                            Log.w(TAG, "unsupported mimeType " + mimeType);
401                        }
402                    }
403                    return intent;
404                }
405
406                @Override
407                public void onProgressErrorClicked() {
408                    LocalData data = getCurrentLocalData();
409                    getServices().getCaptureSessionManager().removeErrorMessage(
410                            data.getUri());
411                    updateBottomControlsByData(data);
412                }
413            };
414
415    private ComboPreferences mPreferences;
416
417    @Override
418    public void onCameraOpened(CameraManager.CameraProxy camera) {
419        /**
420         * The current UI requires that the flash option visibility in front-facing
421         * camera be
422         *   * disabled if back facing camera supports flash
423         *   * hidden if back facing camera does not support flash
424         * We save whether back facing camera supports flash because we cannot get
425         * this in front facing camera without a camera switch.
426         *
427         * If this preference is cleared, we also need to clear the camera facing
428         * setting so we default to opening the camera in back facing camera, and
429         * can save this flash support value again.
430         */
431        if (!mSettingsManager.isSet(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA)) {
432            HardwareSpec hardware = new HardwareSpecImpl(camera.getParameters());
433            mSettingsManager.setBoolean(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA,
434                hardware.isFlashSupported());
435        }
436
437        if (!mModuleManager.getModuleAgent(mCurrentModeIndex).requestAppForCamera()) {
438            // We shouldn't be here. Just close the camera and leave.
439            camera.release(false);
440            throw new IllegalStateException("Camera opened but the module shouldn't be " +
441                    "requesting");
442        }
443        if (mCurrentModule != null) {
444            SettingsCapabilities capabilities =
445                    SettingsUtil.getSettingsCapabilities(camera);
446            mSettingsManager.changeCamera(camera.getCameraId(), capabilities);
447            mCurrentModule.onCameraAvailable(camera);
448        }
449        mCameraAppUI.onChangeCamera();
450    }
451
452    @Override
453    public void onCameraDisabled(int cameraId) {
454        UsageStatistics.instance().cameraFailure(
455                eventprotos.CameraFailure.FailureReason.SECURITY);
456        CameraUtil.showErrorAndFinish(this, R.string.camera_disabled);
457    }
458
459    @Override
460    public void onDeviceOpenFailure(int cameraId) {
461        UsageStatistics.instance().cameraFailure(
462                eventprotos.CameraFailure.FailureReason.OPEN_FAILURE);
463        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
464    }
465
466    @Override
467    public void onDeviceOpenedAlready(int cameraId) {
468        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
469    }
470
471    @Override
472    public void onReconnectionFailure(CameraManager mgr) {
473        UsageStatistics.instance().cameraFailure(
474                eventprotos.CameraFailure.FailureReason.RECONNECT_FAILURE);
475        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
476    }
477
478    private static class MainHandler extends Handler {
479        final WeakReference<CameraActivity> mActivity;
480
481        public MainHandler(CameraActivity activity, Looper looper) {
482            super(looper);
483            mActivity = new WeakReference<CameraActivity>(activity);
484        }
485
486        @Override
487        public void handleMessage(Message msg) {
488            CameraActivity activity = mActivity.get();
489            if (activity == null) {
490                return;
491            }
492            switch (msg.what) {
493
494                case MSG_CLEAR_SCREEN_ON_FLAG: {
495                    if (!activity.mPaused) {
496                        activity.getWindow().clearFlags(
497                                WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
498                    }
499                    break;
500                }
501            }
502        }
503    }
504
505    private String fileNameFromDataID(int dataID) {
506        final LocalData localData = mDataAdapter.getLocalData(dataID);
507
508        File localFile = new File(localData.getPath());
509        return localFile.getName();
510    }
511
512    private final FilmstripContentPanel.Listener mFilmstripListener =
513            new FilmstripContentPanel.Listener() {
514
515                @Override
516                public void onSwipeOut() {
517                    UsageStatistics.instance().changeScreen(
518                            eventprotos.NavigationChange.Mode.PHOTO_CAPTURE,
519                            eventprotos.CameraEvent.InteractionCause.SWIPE_RIGHT);
520                }
521
522                @Override
523                public void onSwipeOutBegin() {
524                    mActionBar.hide();
525                    mFilmstripCoversPreview = false;
526                    updatePreviewVisibility();
527                }
528
529                @Override
530                public void onFilmstripHidden() {
531                    mFilmstripVisible = false;
532                    CameraActivity.this.setFilmstripUiVisibility(false);
533                    // When the user hide the filmstrip (either swipe out or
534                    // tap on back key) we move to the first item so next time
535                    // when the user swipe in the filmstrip, the most recent
536                    // one is shown.
537                    mFilmstripController.goToFirstItem();
538                }
539
540                @Override
541                public void onFilmstripShown() {
542                    mFilmstripVisible = true;
543                    updateUiByData(mFilmstripController.getCurrentId());
544                }
545
546                @Override
547                public void onFocusedDataLongPressed(int dataId) {
548                    // Do nothing.
549                }
550
551                @Override
552                public void onFocusedDataPromoted(int dataID) {
553                    UsageStatistics.instance().photoInteraction(
554                            UsageStatistics.hashFileName(fileNameFromDataID(dataID)),
555                            eventprotos.CameraEvent.InteractionType.DELETE,
556                            InteractionCause.SWIPE_UP);
557
558                    removeData(dataID);
559                }
560
561                @Override
562                public void onFocusedDataDemoted(int dataID) {
563                    UsageStatistics.instance().photoInteraction(
564                            UsageStatistics.hashFileName(fileNameFromDataID(dataID)),
565                            eventprotos.CameraEvent.InteractionType.DELETE,
566                            InteractionCause.SWIPE_DOWN);
567
568                    removeData(dataID);
569                }
570
571                @Override
572                public void onEnterFullScreenUiShown(int dataId) {
573                    if (mFilmstripVisible) {
574                        CameraActivity.this.setFilmstripUiVisibility(true);
575                    }
576                }
577
578                @Override
579                public void onLeaveFullScreenUiShown(int dataId) {
580                    // Do nothing.
581                }
582
583                @Override
584                public void onEnterFullScreenUiHidden(int dataId) {
585                    if (mFilmstripVisible) {
586                        CameraActivity.this.setFilmstripUiVisibility(false);
587                    }
588                }
589
590                @Override
591                public void onLeaveFullScreenUiHidden(int dataId) {
592                    // Do nothing.
593                }
594
595                @Override
596                public void onEnterFilmstrip(int dataId) {
597                    if (mFilmstripVisible) {
598                        CameraActivity.this.setFilmstripUiVisibility(true);
599                    }
600                }
601
602                @Override
603                public void onLeaveFilmstrip(int dataId) {
604                    // Do nothing.
605                }
606
607                @Override
608                public void onDataReloaded() {
609                    if (!mFilmstripVisible) {
610                        return;
611                    }
612                    updateUiByData(mFilmstripController.getCurrentId());
613                }
614
615                @Override
616                public void onDataUpdated(int dataId) {
617                    if (!mFilmstripVisible) {
618                        return;
619                    }
620                    updateUiByData(mFilmstripController.getCurrentId());
621                }
622
623                @Override
624                public void onEnterZoomView(int dataID) {
625                    if (mFilmstripVisible) {
626                        CameraActivity.this.setFilmstripUiVisibility(false);
627                    }
628                }
629
630                @Override
631                public void onDataFocusChanged(final int prevDataId, final int newDataId) {
632                    if (!mFilmstripVisible) {
633                        return;
634                    }
635                    // TODO: This callback is UI event callback, should always
636                    // happen on UI thread. Find the reason for this
637                    // runOnUiThread() and fix it.
638                    runOnUiThread(new Runnable() {
639                        @Override
640                        public void run() {
641                            updateUiByData(newDataId);
642                        }
643                    });
644                }
645
646                @Override
647                public void onScroll(int firstVisiblePosition, int visibleItemCount, int totalItemCount) {
648                    mPreloader.onScroll(null /*absListView*/, firstVisiblePosition, visibleItemCount, totalItemCount);
649                }
650            };
651
652    private final LocalDataAdapter.LocalDataListener mLocalDataListener =
653            new LocalDataAdapter.LocalDataListener() {
654                @Override
655                public void onMetadataUpdated(List<Integer> updatedData) {
656                    int currentDataId = mFilmstripController.getCurrentId();
657                    for (Integer dataId : updatedData) {
658                        if (dataId == currentDataId) {
659                            updateBottomControlsByData(mDataAdapter.getLocalData(dataId));
660                        }
661                    }
662                }
663            };
664
665    public void gotoGallery() {
666        UsageStatistics.instance().changeScreen(NavigationChange.Mode.FILMSTRIP,
667                InteractionCause.BUTTON);
668
669        mFilmstripController.goToNextItem();
670    }
671
672    /**
673     * If 'visible' is false, this hides the action bar and switches the
674     * filmstrip UI to lights-out mode.
675     *
676     * @param visible is false, this hides the action bar and switches the
677     *            filmstrip UI to lights-out mode.
678     */
679    private void setFilmstripUiVisibility(boolean visible) {
680        int currentSystemUIVisibility = mAboveFilmstripControlLayout.getSystemUiVisibility();
681        int newSystemUIVisibility = (visible ? View.SYSTEM_UI_FLAG_VISIBLE
682                : View.SYSTEM_UI_FLAG_FULLSCREEN);
683        if (newSystemUIVisibility != currentSystemUIVisibility) {
684            mAboveFilmstripControlLayout.setSystemUiVisibility(newSystemUIVisibility);
685        }
686
687        mCameraAppUI.getFilmstripBottomControls().setVisible(visible);
688        if (visible != mActionBar.isShowing()) {
689            if (visible) {
690                mActionBar.show();
691            } else {
692                mActionBar.hide();
693            }
694        }
695        mFilmstripCoversPreview = visible;
696        updatePreviewVisibility();
697    }
698
699    private void hideSessionProgress() {
700        mCameraAppUI.getFilmstripBottomControls().hideProgress();
701    }
702
703    private void showSessionProgress(CharSequence message) {
704        CameraAppUI.BottomPanel controls =  mCameraAppUI.getFilmstripBottomControls();
705        controls.setProgressText(message);
706        controls.hideControls();
707        controls.hideProgressError();
708        controls.showProgress();
709    }
710
711    private void showProcessError(CharSequence message) {
712        mCameraAppUI.getFilmstripBottomControls().showProgressError(message);
713    }
714
715    private void updateSessionProgress(int progress) {
716        mCameraAppUI.getFilmstripBottomControls().setProgress(progress);
717    }
718
719    private void updateSessionProgressText(CharSequence message) {
720        mCameraAppUI.getFilmstripBottomControls().setProgressText(message);
721    }
722
723    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
724    private void setupNfcBeamPush() {
725        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mAppContext);
726        if (adapter == null) {
727            return;
728        }
729
730        if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) {
731            // Disable beaming
732            adapter.setNdefPushMessage(null, CameraActivity.this);
733            return;
734        }
735
736        adapter.setBeamPushUris(null, CameraActivity.this);
737        adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
738            @Override
739            public Uri[] createBeamUris(NfcEvent event) {
740                return mNfcPushUris;
741            }
742        }, CameraActivity.this);
743    }
744
745    @Override
746    public void onMenuVisibilityChanged(boolean isVisible) {
747        // TODO: Remove this or bring back the original implementation: cancel
748        // auto-hide actionbar.
749    }
750
751    @Override
752    public boolean onShareTargetSelected(ShareActionProvider shareActionProvider, Intent intent) {
753        int currentDataId = mFilmstripController.getCurrentId();
754        if (currentDataId < 0) {
755            return false;
756        }
757        UsageStatistics.instance().photoInteraction(
758                UsageStatistics.hashFileName(fileNameFromDataID(currentDataId)),
759                eventprotos.CameraEvent.InteractionType.SHARE,
760                InteractionCause.BUTTON);
761        // TODO add intent.getComponent().getPackageName()
762        return true;
763    }
764
765    // Note: All callbacks come back on the main thread.
766    private final SessionListener mSessionListener =
767            new SessionListener() {
768                @Override
769                public void onSessionQueued(final Uri uri) {
770                    if (!Storage.isSessionUri(uri)) {
771                        return;
772                    }
773                    LocalSessionData newData = new LocalSessionData(uri);
774                    mDataAdapter.addData(newData);
775                }
776
777                @Override
778                public void onSessionDone(final Uri sessionUri) {
779                    Log.v(TAG, "onSessionDone:" + sessionUri);
780                    Uri contentUri = Storage.getContentUriForSessionUri(sessionUri);
781                    if (contentUri == null) {
782                        mDataAdapter.refresh(sessionUri);
783                        return;
784                    }
785                    LocalData newData = LocalMediaData.PhotoData.fromContentUri(
786                            getContentResolver(), contentUri);
787
788                    final int pos = mDataAdapter.findDataByContentUri(sessionUri);
789                    if (pos == -1) {
790                        // We do not have a placeholder for this image, perhaps due to the
791                        // activity crashing or being killed.
792                        mDataAdapter.addData(newData);
793                    }  else  {
794                        mDataAdapter.updateData(pos, newData);
795                    }
796                }
797
798                @Override
799                public void onSessionProgress(final Uri uri, final int progress) {
800                    if (progress < 0) {
801                        // Do nothing, there is no task for this URI.
802                        return;
803                    }
804                    int currentDataId = mFilmstripController.getCurrentId();
805                    if (currentDataId == -1) {
806                        return;
807                    }
808                    if (uri.equals(
809                            mDataAdapter.getLocalData(currentDataId).getUri())) {
810                        updateSessionProgress(progress);
811                    }
812                }
813
814                @Override
815                public void onSessionProgressText(final Uri uri, final CharSequence message) {
816                    int currentDataId = mFilmstripController.getCurrentId();
817                    if (currentDataId == -1) {
818                        return;
819                    }
820                    if (uri.equals(
821                            mDataAdapter.getLocalData(currentDataId).getUri())) {
822                        updateSessionProgressText(message);
823                    }
824                }
825
826                @Override
827                public void onSessionUpdated(Uri uri) {
828                    mDataAdapter.refresh(uri);
829                }
830
831                @Override
832                public void onSessionPreviewAvailable(Uri uri) {
833                    mDataAdapter.refresh(uri);
834                    int dataId = mDataAdapter.findDataByContentUri(uri);
835                    if (dataId != -1) {
836                        startPeekAnimation(mDataAdapter.getLocalData(dataId));
837                    }
838                }
839
840                @Override
841                public void onSessionFailed(Uri uri, CharSequence reason) {
842                    Log.v(TAG, "onSessionFailed:" + uri);
843
844                    int failedDataId = mDataAdapter.findDataByContentUri(uri);
845                    int currentDataId = mFilmstripController.getCurrentId();
846
847                    if (currentDataId == failedDataId) {
848                        updateSessionProgress(0);
849                        showProcessError(reason);
850                    }
851                    // HERE
852                    mDataAdapter.refresh(uri);
853                }
854            };
855
856    @Override
857    public Context getAndroidContext() {
858        return mAppContext;
859    }
860
861    @Override
862    public void launchActivityByIntent(Intent intent) {
863        startActivityForResult(intent, REQ_CODE_DONT_SWITCH_TO_PREVIEW);
864    }
865
866    @Override
867    public int getCurrentModuleIndex() {
868        return mCurrentModeIndex;
869    }
870
871    @Override
872    public ModuleController getCurrentModuleController() {
873        return mCurrentModule;
874    }
875
876    @Override
877    public int getQuickSwitchToModuleId(int currentModuleIndex) {
878        return mModuleManager.getQuickSwitchToModuleId(currentModuleIndex, mSettingsManager,
879                mAppContext);
880    }
881
882    @Override
883    public SurfaceTexture getPreviewBuffer() {
884        // TODO: implement this
885        return null;
886    }
887
888    @Override
889    public void onPreviewReadyToStart() {
890        mCameraAppUI.onPreviewReadyToStart();
891    }
892
893    @Override
894    public void onPreviewStarted() {
895        mCameraAppUI.onPreviewStarted();
896    }
897
898    @Override
899    public void addPreviewAreaSizeChangedListener(
900            PreviewStatusListener.PreviewAreaChangedListener listener) {
901        mCameraAppUI.addPreviewAreaChangedListener(listener);
902    }
903
904    @Override
905    public void removePreviewAreaSizeChangedListener(
906            PreviewStatusListener.PreviewAreaChangedListener listener) {
907        mCameraAppUI.removePreviewAreaChangedListener(listener);
908    }
909
910    @Override
911    public void setupOneShotPreviewListener() {
912        mCameraController.setOneShotPreviewCallback(mMainHandler,
913                new CameraManager.CameraPreviewDataCallback() {
914                    @Override
915                    public void onPreviewFrame(byte[] data, CameraManager.CameraProxy camera) {
916                        mCurrentModule.onPreviewInitialDataReceived();
917                        mCameraAppUI.onNewPreviewFrame();
918                    }
919                }
920        );
921    }
922
923    @Override
924    public void updatePreviewAspectRatio(float aspectRatio) {
925        mCameraAppUI.updatePreviewAspectRatio(aspectRatio);
926    }
927
928    @Override
929    public void updatePreviewTransform(Matrix matrix) {
930        mCameraAppUI.updatePreviewTransform(matrix);
931    }
932
933    @Override
934    public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) {
935        mCameraAppUI.setPreviewStatusListener(previewStatusListener);
936    }
937
938    @Override
939    public FrameLayout getModuleLayoutRoot() {
940        return mCameraAppUI.getModuleRootView();
941    }
942
943    @Override
944    public void setShutterEventsListener(ShutterEventsListener listener) {
945        // TODO: implement this
946    }
947
948    @Override
949    public void setShutterEnabled(boolean enabled) {
950        // TODO: implement this
951    }
952
953    @Override
954    public boolean isShutterEnabled() {
955        // TODO: implement this
956        return false;
957    }
958
959    @Override
960    public void startPreCaptureAnimation() {
961        mCameraAppUI.startPreCaptureAnimation();
962    }
963
964    @Override
965    public void cancelPreCaptureAnimation() {
966        // TODO: implement this
967    }
968
969    @Override
970    public void startPostCaptureAnimation() {
971        // TODO: implement this
972    }
973
974    @Override
975    public void startPostCaptureAnimation(Bitmap thumbnail) {
976        // TODO: implement this
977    }
978
979    @Override
980    public void cancelPostCaptureAnimation() {
981        // TODO: implement this
982    }
983
984    @Override
985    public OrientationManager getOrientationManager() {
986        return mOrientationManager;
987    }
988
989    @Override
990    public LocationManager getLocationManager() {
991        return mLocationManager;
992    }
993
994    @Override
995    public void lockOrientation() {
996        if (mOrientationManager != null) {
997            mOrientationManager.lockOrientation();
998        }
999    }
1000
1001    @Override
1002    public void unlockOrientation() {
1003        if (mOrientationManager != null) {
1004            mOrientationManager.unlockOrientation();
1005        }
1006    }
1007
1008    /**
1009     * Starts the filmstrip peek animation if the filmstrip is not visible.
1010     * Only {@link LocalData#LOCAL_IMAGE}, {@link
1011     * LocalData#LOCAL_IN_PROGRESS_DATA} and {@link
1012     * LocalData#LOCAL_VIDEO} are supported.
1013     *
1014     * @param data The data to peek.
1015     */
1016    private void startPeekAnimation(final LocalData data) {
1017        if (mFilmstripVisible || mPeekAnimationHandler == null) {
1018            return;
1019        }
1020
1021        int dataType = data.getLocalDataType();
1022        if (dataType != LocalData.LOCAL_IMAGE && dataType != LocalData.LOCAL_IN_PROGRESS_DATA &&
1023                dataType != LocalData.LOCAL_VIDEO) {
1024            return;
1025        }
1026
1027        mPeekAnimationHandler.startDecodingJob(data, new Callback<Bitmap>() {
1028            @Override
1029            public void onCallback(Bitmap result) {
1030                mCameraAppUI.startPeekAnimation(result, true);
1031            }
1032        });
1033    }
1034
1035    @Override
1036    public void notifyNewMedia(Uri uri) {
1037        ContentResolver cr = getContentResolver();
1038        String mimeType = cr.getType(uri);
1039        if (LocalDataUtil.isMimeTypeVideo(mimeType)) {
1040            sendBroadcast(new Intent(CameraUtil.ACTION_NEW_VIDEO, uri));
1041            LocalData newData = LocalMediaData.VideoData.fromContentUri(getContentResolver(), uri);
1042            if (newData == null) {
1043                Log.e(TAG, "Can't find video data in content resolver:" + uri);
1044                return;
1045            }
1046            if (mDataAdapter.addData(newData)) {
1047                startPeekAnimation(newData);
1048            }
1049        } else if (LocalDataUtil.isMimeTypeImage(mimeType)) {
1050            CameraUtil.broadcastNewPicture(mAppContext, uri);
1051            LocalData newData = LocalMediaData.PhotoData.fromContentUri(getContentResolver(), uri);
1052            if (newData == null) {
1053                Log.e(TAG, "Can't find photo data in content resolver:" + uri);
1054                return;
1055            }
1056            if (mDataAdapter.addData(newData)) {
1057                startPeekAnimation(newData);
1058            }
1059        } else {
1060            Log.w(TAG, "Unknown new media with MIME type:" + mimeType + ", uri:" + uri);
1061        }
1062    }
1063
1064    @Override
1065    public void enableKeepScreenOn(boolean enabled) {
1066        if (mPaused) {
1067            return;
1068        }
1069
1070        mKeepScreenOn = enabled;
1071        if (mKeepScreenOn) {
1072            mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
1073            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
1074        } else {
1075            keepScreenOnForAWhile();
1076        }
1077    }
1078
1079    @Override
1080    public CameraProvider getCameraProvider() {
1081        return mCameraController;
1082    }
1083
1084    private void removeData(int dataID) {
1085        mDataAdapter.removeData(dataID);
1086        if (mDataAdapter.getTotalNumber() > 1) {
1087            showUndoDeletionBar();
1088        } else {
1089            // If camera preview is the only view left in filmstrip,
1090            // no need to show undo bar.
1091            mPendingDeletion = true;
1092            performDeletion();
1093            if (mFilmstripVisible) {
1094                mCameraAppUI.getFilmstripContentPanel().animateHide();
1095            }
1096        }
1097    }
1098
1099    @Override
1100    public boolean onOptionsItemSelected(MenuItem item) {
1101        // Handle presses on the action bar items
1102        switch (item.getItemId()) {
1103            case android.R.id.home:
1104                if (mFilmstripVisible && startGallery()) {
1105                    return true;
1106                }
1107                onBackPressed();
1108                return true;
1109            case R.id.action_details:
1110                showDetailsDialog(mFilmstripController.getCurrentId());
1111                return true;
1112            default:
1113                return super.onOptionsItemSelected(item);
1114        }
1115    }
1116
1117    private boolean isCaptureIntent() {
1118        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())
1119                || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())
1120                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1121            return true;
1122        } else {
1123            return false;
1124        }
1125    }
1126
1127    private final SettingsManager.StrictUpgradeCallback mStrictUpgradeCallback
1128        = new SettingsManager.StrictUpgradeCallback() {
1129                @Override
1130                public void upgrade(SettingsManager settingsManager, int version) {
1131                    // Show the location dialog on upgrade if
1132                    //  (a) the user has never set this option (status quo).
1133                    //  (b) the user opt'ed out previously.
1134                    if (settingsManager.isSet(SettingsManager.SETTING_RECORD_LOCATION)) {
1135                        // Location is set in the source file defined for this setting.
1136                        // Remove the setting if the value is false to launch the dialog.
1137                        if (!settingsManager.getBoolean(SettingsManager.SETTING_RECORD_LOCATION)) {
1138                            settingsManager.remove(SettingsManager.SETTING_RECORD_LOCATION);
1139                        }
1140                    } else {
1141                        // Location is not set, check to see if we're upgrading from
1142                        // a different source file.
1143                        if (settingsManager.isSet(SettingsManager.SETTING_RECORD_LOCATION,
1144                                                  SettingsManager.SOURCE_GLOBAL)) {
1145                            boolean location = settingsManager.getBoolean(
1146                                SettingsManager.SETTING_RECORD_LOCATION,
1147                                SettingsManager.SOURCE_GLOBAL);
1148                            if (location) {
1149                                // Set the old setting only if the value is true, to prevent
1150                                // launching the dialog.
1151                                settingsManager.setBoolean(
1152                                    SettingsManager.SETTING_RECORD_LOCATION, location);
1153                            }
1154                        }
1155                    }
1156
1157                    settingsManager.remove(SettingsManager.SETTING_STARTUP_MODULE_INDEX);
1158                }
1159            };
1160
1161    private final CameraManager.CameraExceptionCallback mCameraDefaultExceptionCallback
1162        = new CameraManager.CameraExceptionCallback() {
1163                @Override
1164                public void onCameraException(RuntimeException e) {
1165                    Log.d(TAG, "Camera Exception", e);
1166                    CameraUtil.showErrorAndFinish(CameraActivity.this,
1167                            R.string.cannot_connect_camera);
1168                }
1169            };
1170
1171    @Override
1172    public void onCreate(Bundle state) {
1173        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_START);
1174
1175        super.onCreate(state);
1176        mOnCreateTime = System.currentTimeMillis();
1177        mAppContext = getApplicationContext();
1178        GcamHelper.init(getContentResolver());
1179
1180        getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
1181        setContentView(R.layout.activity_main);
1182        mActionBar = getActionBar();
1183        mActionBar.addOnMenuVisibilityListener(this);
1184        mMainHandler = new MainHandler(this, getMainLooper());
1185        mCameraController =
1186                new CameraController(mAppContext, this, mMainHandler,
1187                        CameraManagerFactory.getAndroidCameraManager());
1188        mCameraController.setCameraDefaultExceptionCallback(mCameraDefaultExceptionCallback,
1189                mMainHandler);
1190
1191        mPreferences = new ComboPreferences(mAppContext);
1192
1193        mSettingsManager = new SettingsManager(mAppContext, this,
1194                mCameraController.getNumberOfCameras(), mStrictUpgradeCallback);
1195
1196        // Remove this after we get rid of ComboPreferences.
1197        int cameraId = Integer.parseInt(mSettingsManager.get(SettingsManager.SETTING_CAMERA_ID));
1198        mPreferences.setLocalId(mAppContext, cameraId);
1199        CameraSettings.upgradeGlobalPreferences(mPreferences,
1200                mCameraController.getNumberOfCameras());
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(
1234                    eventprotos.ForegroundEvent.ForegroundSource.LOCK_SCREEN);
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,
1267                new ColorDrawable(getResources().getColor(R.color.photo_placeholder)));
1268        mDataAdapter.setLocalDataListener(mLocalDataListener);
1269
1270        mPreloader = new Preloader<Integer, AsyncTask>(FILMSTRIP_PRELOAD_AHEAD_ITEMS, mDataAdapter,
1271                mDataAdapter);
1272
1273        mCameraAppUI.getFilmstripContentPanel().setFilmstripListener(mFilmstripListener);
1274        if (mSettingsManager.getBoolean(SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
1275            mCameraAppUI.setupClingForViewer(CameraAppUI.BottomPanel.VIEWER_REFOCUS);
1276        }
1277
1278        mLocationManager = new LocationManager(mAppContext);
1279
1280        mOrientationManager = new OrientationManagerImpl(this);
1281        mOrientationManager.addOnOrientationChangeListener(mMainHandler, this);
1282
1283        setModuleFromModeIndex(getModeIndex());
1284        mCameraAppUI.prepareModuleUI();
1285        mCurrentModule.init(this, isSecureCamera(), isCaptureIntent());
1286
1287        if (!mSecureCamera) {
1288            mFilmstripController.setDataAdapter(mDataAdapter);
1289            if (!isCaptureIntent()) {
1290                mDataAdapter.requestLoad(new Callback<Void>() {
1291                    @Override
1292                    public void onCallback(Void result) {
1293                        fillTemporarySessions();
1294                    }
1295                });
1296            }
1297        } else {
1298            // Put a lock placeholder as the last image by setting its date to
1299            // 0.
1300            ImageView v = (ImageView) getLayoutInflater().inflate(
1301                    R.layout.secure_album_placeholder, null);
1302            v.setOnClickListener(new View.OnClickListener() {
1303                @Override
1304                public void onClick(View view) {
1305                    UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
1306                            InteractionCause.BUTTON);
1307                    startGallery();
1308                    finish();
1309                }
1310            });
1311            v.setContentDescription(getString(R.string.accessibility_unlock_to_camera));
1312            mDataAdapter = new FixedLastDataAdapter(
1313                    mAppContext,
1314                    mDataAdapter,
1315                    new SimpleViewData(
1316                            v,
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    }
1340
1341    /**
1342     * Get the current mode index from the Intent or from persistent
1343     * settings.
1344     */
1345    public int getModeIndex() {
1346        int modeIndex = -1;
1347        int photoIndex = getResources().getInteger(R.integer.camera_mode_photo);
1348        int videoIndex = getResources().getInteger(R.integer.camera_mode_video);
1349        int gcamIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1350        if (MediaStore.INTENT_ACTION_VIDEO_CAMERA.equals(getIntent().getAction())
1351                || MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())) {
1352            modeIndex = videoIndex;
1353        } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA.equals(getIntent().getAction())
1354                || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())) {
1355            // TODO: synchronize mode options with photo module without losing
1356            // HDR+ preferences.
1357            modeIndex = photoIndex;
1358        } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(getIntent()
1359                        .getAction())
1360                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1361            modeIndex = mSettingsManager.getInt(
1362                SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX);
1363        } else {
1364            // If the activity has not been started using an explicit intent,
1365            // read the module index from the last time the user changed modes
1366            modeIndex = mSettingsManager.getInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX);
1367            if ((modeIndex == gcamIndex &&
1368                    !GcamHelper.hasGcamCapture()) || modeIndex < 0) {
1369                modeIndex = photoIndex;
1370            }
1371        }
1372        return modeIndex;
1373    }
1374
1375    /**
1376     * Call this whenever the mode drawer or filmstrip change the visibility
1377     * state.
1378     */
1379    private void updatePreviewVisibility() {
1380        if (mCurrentModule == null) {
1381            return;
1382        }
1383
1384        int visibility = getPreviewVisibility();
1385        updatePreviewRendering(visibility);
1386        updateCaptureControls(visibility);
1387        mCurrentModule.onPreviewVisibilityChanged(visibility);
1388    }
1389
1390    private void updateCaptureControls(int visibility) {
1391        if (visibility == ModuleController.VISIBILITY_HIDDEN) {
1392            mCameraAppUI.setIndicatorBottomBarWrapperVisible(false);
1393        } else {
1394            mCameraAppUI.setIndicatorBottomBarWrapperVisible(true);
1395        }
1396    }
1397
1398    private void updatePreviewRendering(int visibility) {
1399        if (visibility == ModuleController.VISIBILITY_HIDDEN) {
1400            mCameraAppUI.pausePreviewRendering();
1401        } else {
1402            mCameraAppUI.resumePreviewRendering();
1403        }
1404    }
1405
1406    private int getPreviewVisibility() {
1407        if (mFilmstripCoversPreview) {
1408            return ModuleController.VISIBILITY_HIDDEN;
1409        } else if (mModeListVisible){
1410            return ModuleController.VISIBILITY_COVERED;
1411        } else {
1412            return ModuleController.VISIBILITY_VISIBLE;
1413        }
1414    }
1415
1416    private void setRotationAnimation() {
1417        int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
1418        rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
1419        Window win = getWindow();
1420        WindowManager.LayoutParams winParams = win.getAttributes();
1421        winParams.rotationAnimation = rotationAnimation;
1422        win.setAttributes(winParams);
1423    }
1424
1425    @Override
1426    public void onUserInteraction() {
1427        super.onUserInteraction();
1428        if (!isFinishing()) {
1429            keepScreenOnForAWhile();
1430        }
1431    }
1432
1433    @Override
1434    public boolean dispatchTouchEvent(MotionEvent ev) {
1435        boolean result = super.dispatchTouchEvent(ev);
1436        if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
1437            // Real deletion is postponed until the next user interaction after
1438            // the gesture that triggers deletion. Until real deletion is
1439            // performed, users can click the undo button to bring back the
1440            // image that they chose to delete.
1441            if (mPendingDeletion && !mIsUndoingDeletion) {
1442                performDeletion();
1443            }
1444        }
1445        return result;
1446    }
1447
1448    @Override
1449    public void onPause() {
1450        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_PAUSE);
1451
1452        /*
1453         * Save the last module index after all secure camera and icon launches,
1454         * not just on mode switches.
1455         *
1456         * Right now we exclude capture intents from this logic, because we also
1457         * ignore the cross-Activity recovery logic in onStart for capture intents.
1458         */
1459        if (!isCaptureIntent()) {
1460            mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX,
1461                mCurrentModeIndex);
1462        }
1463
1464        mPaused = true;
1465        mPeekAnimationHandler = null;
1466        mPeekAnimationThread.quitSafely();
1467        mPeekAnimationThread = null;
1468
1469        // Delete photos that are pending deletion
1470        performDeletion();
1471        mCurrentModule.pause();
1472        mOrientationManager.pause();
1473        // Close the camera and wait for the operation done.
1474        mCameraController.closeCamera();
1475        mPanoramaViewHelper.onPause();
1476
1477        mLocalImagesObserver.setForegroundChangeListener(null);
1478        mLocalImagesObserver.setActivityPaused(true);
1479        mLocalVideosObserver.setActivityPaused(true);
1480        mPreloader.cancelAllLoads();
1481        resetScreenOn();
1482        super.onPause();
1483    }
1484
1485    @Override
1486    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
1487        if (requestCode == REQ_CODE_DONT_SWITCH_TO_PREVIEW) {
1488            mResetToPreviewOnResume = false;
1489        } else {
1490            super.onActivityResult(requestCode, resultCode, data);
1491        }
1492    }
1493
1494    @Override
1495    public void onResume() {
1496        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_RESUME);
1497
1498        mPaused = false;
1499
1500        mLastLayoutOrientation = getResources().getConfiguration().orientation;
1501
1502        // TODO: Handle this in OrientationManager.
1503        // Auto-rotate off
1504        if (Settings.System.getInt(getContentResolver(),
1505                Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {
1506            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
1507            mAutoRotateScreen = false;
1508        } else {
1509            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
1510            mAutoRotateScreen = true;
1511        }
1512
1513        if (isCaptureIntent()) {
1514            // Foreground event caused by photo or video capure intent.
1515            UsageStatistics.instance().foregrounded(
1516                    eventprotos.ForegroundEvent.ForegroundSource.INTENT_PICKER);
1517        } else if (!mSecureCamera) {
1518            // Foreground event that is not caused by an intent.
1519            UsageStatistics.instance().foregrounded(
1520                    eventprotos.ForegroundEvent.ForegroundSource.ICON_LAUNCHER);
1521        }
1522
1523        Drawable galleryLogo;
1524        if (mSecureCamera) {
1525            mGalleryIntent = null;
1526            galleryLogo = null;
1527        } else {
1528            mGalleryIntent = IntentHelper.getDefaultGalleryIntent(mAppContext);
1529            galleryLogo = IntentHelper.getGalleryIcon(mAppContext, mGalleryIntent);
1530        }
1531        if (galleryLogo == null) {
1532            try {
1533                galleryLogo = getPackageManager().getActivityLogo(getComponentName());
1534            } catch (PackageManager.NameNotFoundException e) {
1535                Log.e(TAG, "Can't get the activity logo");
1536            }
1537        }
1538        if (mGalleryIntent != null) {
1539            mActionBar.setDisplayUseLogoEnabled(true);
1540        }
1541        mActionBar.setLogo(galleryLogo);
1542        mOrientationManager.resume();
1543        super.onResume();
1544        mPeekAnimationThread = new HandlerThread("Peek animation");
1545        mPeekAnimationThread.start();
1546        mPeekAnimationHandler = new PeekAnimationHandler(mPeekAnimationThread.getLooper());
1547
1548        mCurrentModule.hardResetSettings(mSettingsManager);
1549        mCurrentModule.resume();
1550        setSwipingEnabled(true);
1551
1552        if (!mResetToPreviewOnResume) {
1553            LocalData data = mDataAdapter.getLocalData(mFilmstripController.getCurrentId());
1554            if (data != null) {
1555                mDataAdapter.refresh(data.getUri());
1556            }
1557        }
1558        // The share button might be disabled to avoid double tapping.
1559        mCameraAppUI.getFilmstripBottomControls().setShareEnabled(true);
1560        // Default is showing the preview, unless disabled by explicitly
1561        // starting an activity we want to return from to the filmstrip rather
1562        // than the preview.
1563        mResetToPreviewOnResume = true;
1564
1565        if (mLocalVideosObserver.isMediaDataChangedDuringPause()
1566                || mLocalImagesObserver.isMediaDataChangedDuringPause()) {
1567            if (!mSecureCamera) {
1568                // If it's secure camera, requestLoad() should not be called
1569                // as it will load all the data.
1570                if (!mFilmstripVisible) {
1571                    mDataAdapter.requestLoad(new Callback<Void>() {
1572                        @Override
1573                        public void onCallback(Void result) {
1574                            fillTemporarySessions();
1575                        }
1576                    });
1577                } else {
1578                    mDataAdapter.requestLoadNewPhotos();
1579                }
1580            }
1581        }
1582        mLocalImagesObserver.setActivityPaused(false);
1583        mLocalVideosObserver.setActivityPaused(false);
1584        if (!mSecureCamera) {
1585            mLocalImagesObserver.setForegroundChangeListener(
1586                    new LocalMediaObserver.ChangeListener() {
1587                @Override
1588                public void onChange() {
1589                    mDataAdapter.requestLoadNewPhotos();
1590                }
1591            });
1592        }
1593
1594        keepScreenOnForAWhile();
1595
1596        mPanoramaViewHelper.onResume();
1597        ReleaseDialogHelper.showReleaseInfoDialogOnStart(this, mSettingsManager);
1598        syncLocationManagerSetting();
1599
1600        final int previewVisibility = getPreviewVisibility();
1601        updatePreviewRendering(previewVisibility);
1602    }
1603
1604    private void fillTemporarySessions() {
1605        if (mSecureCamera) {
1606            return;
1607        }
1608        // There might be sessions still in flight (processed by our service).
1609        // Make sure they're added to the filmstrip.
1610        getServices().getCaptureSessionManager().fillTemporarySession(mSessionListener);
1611    }
1612
1613    @Override
1614    public void onStart() {
1615        super.onStart();
1616        mPanoramaViewHelper.onStart();
1617
1618        /*
1619         * If we're starting after launching a different Activity (lockscreen),
1620         * we need to use the last mode used in the other Activity, and
1621         * not the old one from this Activity.
1622         *
1623         * This needs to happen before CameraAppUI.resume() in order to set the
1624         * mode cover icon to the actual last mode used.
1625         *
1626         * Right now we exclude capture intents from this logic.
1627         */
1628        int modeIndex = getModeIndex();
1629        if (!isCaptureIntent() && mCurrentModeIndex != modeIndex) {
1630            onModeSelected(modeIndex);
1631        }
1632
1633        if (mResetToPreviewOnResume) {
1634            mCameraAppUI.resume();
1635            mResetToPreviewOnResume = false;
1636        }
1637    }
1638
1639    @Override
1640    protected void onStop() {
1641        mPanoramaViewHelper.onStop();
1642        if (mFeedbackHelper != null) {
1643            mFeedbackHelper.stopFeedback();
1644        }
1645
1646        mLocationManager.disconnect();
1647        super.onStop();
1648    }
1649
1650    @Override
1651    public void onDestroy() {
1652        if (mSecureCamera) {
1653            unregisterReceiver(mScreenOffReceiver);
1654        }
1655        mActionBar.removeOnMenuVisibilityListener(this);
1656        mSettingsManager.removeAllListeners();
1657        mCameraController.removeCallbackReceiver();
1658        getContentResolver().unregisterContentObserver(mLocalImagesObserver);
1659        getContentResolver().unregisterContentObserver(mLocalVideosObserver);
1660        getServices().getCaptureSessionManager().removeSessionListener(mSessionListener);
1661        mCameraAppUI.onDestroy();
1662        mModeListView.setVisibilityChangedListener(null);
1663        mCameraController = null;
1664        mSettingsManager = null;
1665        mCameraAppUI = null;
1666        mOrientationManager = null;
1667        mButtonManager = null;
1668        CameraManagerFactory.recycle();
1669        super.onDestroy();
1670    }
1671
1672    @Override
1673    public void onConfigurationChanged(Configuration config) {
1674        super.onConfigurationChanged(config);
1675        Log.v(TAG, "onConfigurationChanged");
1676        if (config.orientation == Configuration.ORIENTATION_UNDEFINED) {
1677            return;
1678        }
1679
1680        if (mLastLayoutOrientation != config.orientation) {
1681            mLastLayoutOrientation = config.orientation;
1682            mCurrentModule.onLayoutOrientationChanged(
1683                    mLastLayoutOrientation == Configuration.ORIENTATION_LANDSCAPE);
1684        }
1685    }
1686
1687    @Override
1688    public boolean onKeyDown(int keyCode, KeyEvent event) {
1689        if (!mFilmstripVisible) {
1690            if (mCurrentModule.onKeyDown(keyCode, event)) {
1691                return true;
1692            }
1693            // Prevent software keyboard or voice search from showing up.
1694            if (keyCode == KeyEvent.KEYCODE_SEARCH
1695                    || keyCode == KeyEvent.KEYCODE_MENU) {
1696                if (event.isLongPress()) {
1697                    return true;
1698                }
1699            }
1700        }
1701
1702        return super.onKeyDown(keyCode, event);
1703    }
1704
1705    @Override
1706    public boolean onKeyUp(int keyCode, KeyEvent event) {
1707        if (!mFilmstripVisible) {
1708            // If a module is in the middle of capture, it should
1709            // consume the key event.
1710            if (mCurrentModule.onKeyUp(keyCode, event)) {
1711                return true;
1712            } else if (keyCode == KeyEvent.KEYCODE_MENU
1713                    || keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1714                // Let the mode list view consume the event.
1715                mModeListView.onMenuPressed();
1716                return true;
1717            } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1718                mCameraAppUI.showFilmstrip();
1719                return true;
1720            }
1721        } else {
1722            if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1723                mFilmstripController.goToNextItem();
1724                return true;
1725            } else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1726                boolean wentToPrevious = mFilmstripController.goToPreviousItem();
1727                if (!wentToPrevious) {
1728                  // at beginning of filmstrip, hide and go back to preview
1729                  mCameraAppUI.hideFilmstrip();
1730                }
1731                return true;
1732            }
1733        }
1734        return super.onKeyUp(keyCode, event);
1735    }
1736
1737    @Override
1738    public void onBackPressed() {
1739        if (!mCameraAppUI.onBackPressed()) {
1740            if (!mCurrentModule.onBackPressed()) {
1741                super.onBackPressed();
1742            }
1743        }
1744    }
1745
1746    @Override
1747    public boolean isAutoRotateScreen() {
1748        // TODO: Move to OrientationManager.
1749        return mAutoRotateScreen;
1750    }
1751
1752    @Override
1753    public boolean onCreateOptionsMenu(Menu menu) {
1754        MenuInflater inflater = getMenuInflater();
1755        inflater.inflate(R.menu.filmstrip_menu, menu);
1756        mActionBarMenu = menu;
1757        return super.onCreateOptionsMenu(menu);
1758    }
1759
1760    protected void updateStorageSpace() {
1761        mStorageSpaceBytes = Storage.getAvailableSpace();
1762    }
1763
1764    protected long getStorageSpaceBytes() {
1765        return mStorageSpaceBytes;
1766    }
1767
1768    protected void updateStorageSpaceAndHint() {
1769        updateStorageSpace();
1770        updateStorageHint(mStorageSpaceBytes);
1771    }
1772
1773    protected void updateStorageHint(long storageSpace) {
1774        String message = null;
1775        if (storageSpace == Storage.UNAVAILABLE) {
1776            message = getString(R.string.no_storage);
1777        } else if (storageSpace == Storage.PREPARING) {
1778            message = getString(R.string.preparing_sd);
1779        } else if (storageSpace == Storage.UNKNOWN_SIZE) {
1780            message = getString(R.string.access_sd_fail);
1781        } else if (storageSpace <= Storage.LOW_STORAGE_THRESHOLD_BYTES) {
1782            message = getString(R.string.spaceIsLow_content);
1783        }
1784
1785        if (message != null) {
1786            if (mStorageHint == null) {
1787                mStorageHint = OnScreenHint.makeText(mAppContext, message);
1788            } else {
1789                mStorageHint.setText(message);
1790            }
1791            mStorageHint.show();
1792        } else if (mStorageHint != null) {
1793            mStorageHint.cancel();
1794            mStorageHint = null;
1795        }
1796    }
1797
1798    protected void setResultEx(int resultCode) {
1799        mResultCodeForTesting = resultCode;
1800        setResult(resultCode);
1801    }
1802
1803    protected void setResultEx(int resultCode, Intent data) {
1804        mResultCodeForTesting = resultCode;
1805        mResultDataForTesting = data;
1806        setResult(resultCode, data);
1807    }
1808
1809    public int getResultCode() {
1810        return mResultCodeForTesting;
1811    }
1812
1813    public Intent getResultData() {
1814        return mResultDataForTesting;
1815    }
1816
1817    public boolean isSecureCamera() {
1818        return mSecureCamera;
1819    }
1820
1821    @Override
1822    public boolean isPaused() {
1823        return mPaused;
1824    }
1825
1826    @Override
1827    public int getPreferredChildModeIndex(int modeIndex) {
1828        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
1829            boolean hdrPlusOn = mSettingsManager.isHdrPlusOn();
1830            if (hdrPlusOn && GcamHelper.hasGcamCapture()) {
1831                modeIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1832            }
1833        }
1834        return modeIndex;
1835    }
1836
1837    @Override
1838    public void onModeSelected(int modeIndex) {
1839        if (mCurrentModeIndex == modeIndex) {
1840            return;
1841        }
1842
1843        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.MODE_SWITCH_START);
1844        // Record last used camera mode for quick switching
1845        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)
1846                || modeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
1847            mSettingsManager.setInt(SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX,
1848                    modeIndex);
1849        }
1850
1851        closeModule(mCurrentModule);
1852        int oldModuleIndex = mCurrentModeIndex;
1853
1854        // Select the correct module index from the mode switcher index.
1855        modeIndex = getPreferredChildModeIndex(modeIndex);
1856        setModuleFromModeIndex(modeIndex);
1857
1858        mCameraAppUI.resetBottomControls(mCurrentModule, modeIndex);
1859        mCameraAppUI.addShutterListener(mCurrentModule);
1860        openModule(mCurrentModule);
1861        mCurrentModule.onOrientationChanged(mLastRawOrientation);
1862        // Store the module index so we can use it the next time the Camera
1863        // starts up.
1864        mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX, modeIndex);
1865    }
1866
1867    /**
1868     * Shows the settings dialog.
1869     */
1870    @Override
1871    public void onSettingsSelected() {
1872        Intent intent = new Intent(this, CameraSettingsActivity.class);
1873        startActivity(intent);
1874    }
1875
1876    /**
1877     * Sets the mCurrentModuleIndex, creates a new module instance for the given
1878     * index an sets it as mCurrentModule.
1879     */
1880    private void setModuleFromModeIndex(int modeIndex) {
1881        ModuleManagerImpl.ModuleAgent agent = mModuleManager.getModuleAgent(modeIndex);
1882        if (agent == null) {
1883            return;
1884        }
1885        if (!agent.requestAppForCamera()) {
1886            mCameraController.closeCamera();
1887        }
1888        mCurrentModeIndex = agent.getModuleId();
1889        mCurrentModule = (CameraModule) agent.createModule(this);
1890    }
1891
1892    @Override
1893    public SettingsManager getSettingsManager() {
1894        return mSettingsManager;
1895    }
1896
1897    @Override
1898    public CameraServices getServices() {
1899        return (CameraServices) getApplication();
1900    }
1901
1902    public List<String> getSupportedModeNames() {
1903        List<Integer> indices = mModuleManager.getSupportedModeIndexList();
1904        List<String> supported = new ArrayList<String>();
1905
1906        for (Integer modeIndex : indices) {
1907            String name = CameraUtil.getCameraModeText(modeIndex, mAppContext);
1908            if (name != null && !name.equals("")) {
1909                supported.add(name);
1910            }
1911        }
1912        return supported;
1913    }
1914
1915    @Override
1916    public ButtonManager getButtonManager() {
1917        if (mButtonManager == null) {
1918            mButtonManager = new ButtonManager(this);
1919        }
1920        return mButtonManager;
1921    }
1922
1923    /**
1924     * Creates an AlertDialog appropriate for choosing whether to enable
1925     * location on the first run of the app.
1926     */
1927    public AlertDialog getFirstTimeLocationAlert() {
1928        AlertDialog.Builder builder = new AlertDialog.Builder(this);
1929        builder = SettingsUtil.getFirstTimeLocationAlertBuilder(builder, new Callback<Boolean>() {
1930            @Override
1931            public void onCallback(Boolean locationOn) {
1932                mSettingsManager.setLocation(locationOn, mLocationManager);
1933            }
1934        });
1935        if (builder != null) {
1936            return builder.create();
1937        } else {
1938            return null;
1939        }
1940    }
1941
1942    /**
1943     * Launches an ACTION_EDIT intent for the given local data item. If
1944     * 'withTinyPlanet' is set, this will show a disambig dialog first to let
1945     * the user start either the tiny planet editor or another photo edior.
1946     *
1947     * @param data The data item to edit.
1948     */
1949    public void launchEditor(LocalData data) {
1950        Intent intent = new Intent(Intent.ACTION_EDIT)
1951                .setDataAndType(data.getUri(), data.getMimeType())
1952                .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
1953        try {
1954            launchActivityByIntent(intent);
1955        } catch (ActivityNotFoundException e) {
1956            launchActivityByIntent(Intent.createChooser(intent, null));
1957        }
1958    }
1959
1960    @Override
1961    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1962        super.onCreateContextMenu(menu, v, menuInfo);
1963
1964        MenuInflater inflater = getMenuInflater();
1965        inflater.inflate(R.menu.filmstrip_context_menu, menu);
1966    }
1967
1968    @Override
1969    public boolean onContextItemSelected(MenuItem item) {
1970        switch (item.getItemId()) {
1971            case R.id.tiny_planet_editor:
1972                mMyFilmstripBottomControlListener.onTinyPlanet();
1973                return true;
1974            case R.id.photo_editor:
1975                mMyFilmstripBottomControlListener.onEdit();
1976                return true;
1977        }
1978        return false;
1979    }
1980
1981    /**
1982     * Launch the tiny planet editor.
1983     *
1984     * @param data The data must be a 360 degree stereographically mapped
1985     *            panoramic image. It will not be modified, instead a new item
1986     *            with the result will be added to the filmstrip.
1987     */
1988    public void launchTinyPlanetEditor(LocalData data) {
1989        TinyPlanetFragment fragment = new TinyPlanetFragment();
1990        Bundle bundle = new Bundle();
1991        bundle.putString(TinyPlanetFragment.ARGUMENT_URI, data.getUri().toString());
1992        bundle.putString(TinyPlanetFragment.ARGUMENT_TITLE, data.getTitle());
1993        fragment.setArguments(bundle);
1994        fragment.show(getFragmentManager(), "tiny_planet");
1995    }
1996
1997    private void openModule(CameraModule module) {
1998        module.init(this, isSecureCamera(), isCaptureIntent());
1999        module.hardResetSettings(mSettingsManager);
2000        module.resume();
2001        updatePreviewVisibility();
2002    }
2003
2004    private void closeModule(CameraModule module) {
2005        module.pause();
2006        mCameraAppUI.clearModuleUI();
2007    }
2008
2009    private void performDeletion() {
2010        if (!mPendingDeletion) {
2011            return;
2012        }
2013        hideUndoDeletionBar(false);
2014        mDataAdapter.executeDeletion();
2015    }
2016
2017    public void showUndoDeletionBar() {
2018        if (mPendingDeletion) {
2019            performDeletion();
2020        }
2021        Log.v(TAG, "showing undo bar");
2022        mPendingDeletion = true;
2023        if (mUndoDeletionBar == null) {
2024            ViewGroup v = (ViewGroup) getLayoutInflater().inflate(R.layout.undo_bar,
2025                    mAboveFilmstripControlLayout, true);
2026            mUndoDeletionBar = (ViewGroup) v.findViewById(R.id.camera_undo_deletion_bar);
2027            View button = mUndoDeletionBar.findViewById(R.id.camera_undo_deletion_button);
2028            button.setOnClickListener(new View.OnClickListener() {
2029                @Override
2030                public void onClick(View view) {
2031                    mDataAdapter.undoDataRemoval();
2032                    hideUndoDeletionBar(true);
2033                }
2034            });
2035            // Setting undo bar clickable to avoid touch events going through
2036            // the bar to the buttons (eg. edit button, etc) underneath the bar.
2037            mUndoDeletionBar.setClickable(true);
2038            // When there is user interaction going on with the undo button, we
2039            // do not want to hide the undo bar.
2040            button.setOnTouchListener(new View.OnTouchListener() {
2041                @Override
2042                public boolean onTouch(View v, MotionEvent event) {
2043                    if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
2044                        mIsUndoingDeletion = true;
2045                    } else if (event.getActionMasked() == MotionEvent.ACTION_UP) {
2046                        mIsUndoingDeletion = false;
2047                    }
2048                    return false;
2049                }
2050            });
2051        }
2052        mUndoDeletionBar.setAlpha(0f);
2053        mUndoDeletionBar.setVisibility(View.VISIBLE);
2054        mUndoDeletionBar.animate().setDuration(200).alpha(1f).setListener(null).start();
2055    }
2056
2057    private void hideUndoDeletionBar(boolean withAnimation) {
2058        Log.v(TAG, "Hiding undo deletion bar");
2059        mPendingDeletion = false;
2060        if (mUndoDeletionBar != null) {
2061            if (withAnimation) {
2062                mUndoDeletionBar.animate().setDuration(200).alpha(0f)
2063                        .setListener(new Animator.AnimatorListener() {
2064                            @Override
2065                            public void onAnimationStart(Animator animation) {
2066                                // Do nothing.
2067                            }
2068
2069                            @Override
2070                            public void onAnimationEnd(Animator animation) {
2071                                mUndoDeletionBar.setVisibility(View.GONE);
2072                            }
2073
2074                            @Override
2075                            public void onAnimationCancel(Animator animation) {
2076                                // Do nothing.
2077                            }
2078
2079                            @Override
2080                            public void onAnimationRepeat(Animator animation) {
2081                                // Do nothing.
2082                            }
2083                        }).start();
2084            } else {
2085                mUndoDeletionBar.setVisibility(View.GONE);
2086            }
2087        }
2088    }
2089
2090    @Override
2091    public void onOrientationChanged(int orientation) {
2092        // We keep the last known orientation. So if the user first orient
2093        // the camera then point the camera to floor or sky, we still have
2094        // the correct orientation.
2095        if (orientation == OrientationManager.ORIENTATION_UNKNOWN) {
2096            return;
2097        }
2098        mLastRawOrientation = orientation;
2099        if (mCurrentModule != null) {
2100            mCurrentModule.onOrientationChanged(orientation);
2101        }
2102    }
2103
2104    /**
2105     * Enable/disable swipe-to-filmstrip. Will always disable swipe if in
2106     * capture intent.
2107     *
2108     * @param enable {@code true} to enable swipe.
2109     */
2110    public void setSwipingEnabled(boolean enable) {
2111        // TODO: Bring back the functionality.
2112        if (isCaptureIntent()) {
2113            // lockPreview(true);
2114        } else {
2115            // lockPreview(!enable);
2116        }
2117    }
2118
2119    // Accessor methods for getting latency times used in performance testing
2120    public long getFirstPreviewTime() {
2121        if (mCurrentModule instanceof PhotoModule) {
2122            long coverHiddenTime = getCameraAppUI().getCoverHiddenTime();
2123            if (coverHiddenTime != -1) {
2124                return coverHiddenTime - mOnCreateTime;
2125            }
2126        }
2127        return -1;
2128    }
2129
2130    public long getAutoFocusTime() {
2131        return (mCurrentModule instanceof PhotoModule) ?
2132                ((PhotoModule) mCurrentModule).mAutoFocusTime : -1;
2133    }
2134
2135    public long getShutterLag() {
2136        return (mCurrentModule instanceof PhotoModule) ?
2137                ((PhotoModule) mCurrentModule).mShutterLag : -1;
2138    }
2139
2140    public long getShutterToPictureDisplayedTime() {
2141        return (mCurrentModule instanceof PhotoModule) ?
2142                ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1;
2143    }
2144
2145    public long getPictureDisplayedToJpegCallbackTime() {
2146        return (mCurrentModule instanceof PhotoModule) ?
2147                ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1;
2148    }
2149
2150    public long getJpegCallbackFinishTime() {
2151        return (mCurrentModule instanceof PhotoModule) ?
2152                ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1;
2153    }
2154
2155    public long getCaptureStartTime() {
2156        return (mCurrentModule instanceof PhotoModule) ?
2157                ((PhotoModule) mCurrentModule).mCaptureStartTime : -1;
2158    }
2159
2160    public boolean isRecording() {
2161        return (mCurrentModule instanceof VideoModule) ?
2162                ((VideoModule) mCurrentModule).isRecording() : false;
2163    }
2164
2165    public CameraManager.CameraOpenCallback getCameraOpenErrorCallback() {
2166        return mCameraController;
2167    }
2168
2169    // For debugging purposes only.
2170    public CameraModule getCurrentModule() {
2171        return mCurrentModule;
2172    }
2173
2174    @Override
2175    public void showTutorial(AbstractTutorialOverlay tutorial) {
2176        mCameraAppUI.showTutorial(tutorial, getLayoutInflater());
2177    }
2178
2179    /**
2180     * Reads the current location recording settings and passes it on to the
2181     * location manager.
2182     */
2183    public void syncLocationManagerSetting() {
2184        mSettingsManager.syncLocationManager(mLocationManager);
2185    }
2186
2187    private void keepScreenOnForAWhile() {
2188        if (mKeepScreenOn) {
2189            return;
2190        }
2191        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2192        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2193        mMainHandler.sendEmptyMessageDelayed(MSG_CLEAR_SCREEN_ON_FLAG, SCREEN_DELAY_MS);
2194    }
2195
2196    private void resetScreenOn() {
2197        mKeepScreenOn = false;
2198        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2199        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2200    }
2201
2202    /**
2203     * @return {@code true} if the Gallery is launched successfully.
2204     */
2205    private boolean startGallery() {
2206        if (mGalleryIntent == null) {
2207            return false;
2208        }
2209        try {
2210            UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
2211                    InteractionCause.BUTTON);
2212            Intent startGalleryIntent = new Intent(mGalleryIntent);
2213            int currentDataId = mFilmstripController.getCurrentId();
2214            LocalData currentLocalData = mDataAdapter.getLocalData(currentDataId);
2215            if (currentLocalData != null) {
2216                GalleryHelper.setContentUri(startGalleryIntent, currentLocalData.getUri());
2217            }
2218            launchActivityByIntent(startGalleryIntent);
2219        } catch (ActivityNotFoundException e) {
2220            Log.w(TAG, "Failed to launch gallery activity, closing");
2221        }
2222        return false;
2223    }
2224
2225    private void setNfcBeamPushUriFromData(LocalData data) {
2226        final Uri uri = data.getUri();
2227        if (uri != Uri.EMPTY) {
2228            mNfcPushUris[0] = uri;
2229        } else {
2230            mNfcPushUris[0] = null;
2231        }
2232    }
2233
2234    /**
2235     * Updates the visibility of the filmstrip bottom controls and action bar.
2236     */
2237    private void updateUiByData(final int dataId) {
2238        final LocalData currentData = mDataAdapter.getLocalData(dataId);
2239        if (currentData == null) {
2240            Log.w(TAG, "Current data ID not found.");
2241            hideSessionProgress();
2242            return;
2243        }
2244        updateActionBarMenu(currentData);
2245
2246        /* Bottom controls. */
2247        updateBottomControlsByData(currentData);
2248
2249        if (isSecureCamera()) {
2250            // We cannot show buttons in secure camera since go to other
2251            // activities might create a security hole.
2252            mCameraAppUI.getFilmstripBottomControls().hideControls();
2253            return;
2254        }
2255
2256
2257        setNfcBeamPushUriFromData(currentData);
2258
2259        if (!mDataAdapter.isMetadataUpdated(dataId)) {
2260            mDataAdapter.updateMetadata(dataId);
2261        }
2262    }
2263
2264    /**
2265     * Updates the bottom controls based on the data.
2266     */
2267    private void updateBottomControlsByData(final LocalData currentData) {
2268
2269        final CameraAppUI.BottomPanel filmstripBottomPanel =
2270                mCameraAppUI.getFilmstripBottomControls();
2271        filmstripBottomPanel.showControls();
2272        filmstripBottomPanel.setEditButtonVisibility(
2273                currentData.isDataActionSupported(LocalData.DATA_ACTION_EDIT));
2274        filmstripBottomPanel.setShareButtonVisibility(
2275                currentData.isDataActionSupported(LocalData.DATA_ACTION_SHARE));
2276        filmstripBottomPanel.setDeleteButtonVisibility(
2277                currentData.isDataActionSupported(LocalData.DATA_ACTION_DELETE));
2278
2279        /* Progress bar */
2280
2281        Uri contentUri = currentData.getUri();
2282        CaptureSessionManager sessionManager = getServices()
2283                .getCaptureSessionManager();
2284
2285        if (sessionManager.hasErrorMessage(contentUri)) {
2286            showProcessError(sessionManager.getErrorMesage(contentUri));
2287        } else {
2288            filmstripBottomPanel.hideProgressError();
2289            CaptureSession session = sessionManager.getSession(contentUri);
2290
2291            if (session != null) {
2292                int sessionProgress = session.getProgress();
2293
2294                if (sessionProgress < 0) {
2295                    hideSessionProgress();
2296                } else {
2297                    CharSequence progressMessage = session.getProgressMessage();
2298                    showSessionProgress(progressMessage);
2299                    updateSessionProgress(sessionProgress);
2300                }
2301            } else {
2302                hideSessionProgress();
2303            }
2304        }
2305
2306        /* View button */
2307
2308        // We need to add this to a separate DB.
2309        final int viewButtonVisibility;
2310        if (PanoramaMetadataLoader.isPanoramaAndUseViewer(currentData)) {
2311            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_PHOTO_SPHERE;
2312        } else if (RgbzMetadataLoader.hasRGBZData(currentData)) {
2313            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_REFOCUS;
2314        } else {
2315            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_NONE;
2316        }
2317
2318        filmstripBottomPanel.setTinyPlanetEnabled(
2319                PanoramaMetadataLoader.isPanorama360(currentData));
2320        filmstripBottomPanel.setViewerButtonVisibility(viewButtonVisibility);
2321    }
2322
2323    private class PeekAnimationHandler extends Handler {
2324        private class DataAndCallback {
2325            LocalData mData;
2326            com.android.camera.util.Callback<Bitmap> mCallback;
2327
2328            public DataAndCallback(LocalData data, com.android.camera.util.Callback<Bitmap>
2329                    callback) {
2330                mData = data;
2331                mCallback = callback;
2332            }
2333        }
2334
2335        public PeekAnimationHandler(Looper looper) {
2336            super(looper);
2337        }
2338
2339        /**
2340         * Starts the animation decoding job and posts a {@code Runnable} back
2341         * when when the decoding is done.
2342         *
2343         * @param data The data item to decode the thumbnail for.
2344         * @param callback {@link com.android.camera.util.Callback} after the
2345         *                 decoding is done.
2346         */
2347        public void startDecodingJob(final LocalData data,
2348                final com.android.camera.util.Callback<Bitmap> callback) {
2349            PeekAnimationHandler.this.obtainMessage(0 /** dummy integer **/,
2350                    new DataAndCallback(data, callback)).sendToTarget();
2351        }
2352
2353        @Override
2354        public void handleMessage(Message msg) {
2355            final LocalData data = ((DataAndCallback) msg.obj).mData;
2356            final com.android.camera.util.Callback<Bitmap> callback =
2357                    ((DataAndCallback) msg.obj).mCallback;
2358            if (data == null || callback == null) {
2359                return;
2360            }
2361
2362            final Bitmap bitmap;
2363            switch (data.getLocalDataType()) {
2364                case LocalData.LOCAL_IN_PROGRESS_DATA:
2365                    byte[] jpegData = Storage.getJpegForSession(data.getUri());
2366                    if (jpegData != null) {
2367                        bitmap = BitmapFactory.decodeByteArray(jpegData, 0, jpegData.length);
2368                    } else {
2369                        bitmap = null;
2370                    }
2371                    break;
2372
2373                case LocalData.LOCAL_IMAGE:
2374                    FileInputStream stream;
2375                    try {
2376                        stream = new FileInputStream(data.getPath());
2377                    } catch (FileNotFoundException e) {
2378                        Log.e(TAG, "File not found:" + data.getPath());
2379                        return;
2380                    }
2381                    Point dim = CameraUtil.resizeToFill(data.getWidth(), data.getHeight(),
2382                            data.getRotation(), mAboveFilmstripControlLayout.getWidth(),
2383                            mAboveFilmstripControlLayout.getMeasuredHeight());
2384                    if (data.getRotation() % 180 != 0) {
2385                        int dummy = dim.x;
2386                        dim.x = dim.y;
2387                        dim.y = dummy;
2388                    }
2389                    bitmap = LocalDataUtil
2390                            .loadImageThumbnailFromStream(stream, data.getWidth(), data.getHeight(),
2391                                    (int) (dim.x * 0.7f), (int) (dim.y * 0.7),
2392                                    data.getRotation(), MAX_PEEK_BITMAP_PIXELS);
2393                    break;
2394
2395                case LocalData.LOCAL_VIDEO:
2396                    bitmap = LocalDataUtil.loadVideoThumbnail(data.getPath());
2397                    break;
2398
2399                default:
2400                    bitmap = null;
2401                    break;
2402            }
2403
2404            if (bitmap == null) {
2405                return;
2406            }
2407
2408            mMainHandler.post(new Runnable() {
2409                @Override
2410                public void run() {
2411                    callback.onCallback(bitmap);
2412                }
2413            });
2414        }
2415    }
2416
2417    private void showDetailsDialog(int dataId) {
2418        final LocalData data = mDataAdapter.getLocalData(dataId);
2419        if (data == null) {
2420            return;
2421        }
2422        MediaDetails details = data.getMediaDetails(getAndroidContext());
2423        if (details == null) {
2424            return;
2425        }
2426        Dialog detailDialog = DetailsDialog.create(CameraActivity.this, details);
2427        detailDialog.show();
2428
2429        UsageStatistics.instance().photoInteraction(
2430                UsageStatistics.hashFileName(fileNameFromDataID(dataId)),
2431                eventprotos.CameraEvent.InteractionType.DETAILS,
2432                InteractionCause.BUTTON);
2433    }
2434
2435    /**
2436     * Show or hide action bar items depending on current data type.
2437     */
2438    private void updateActionBarMenu(LocalData data) {
2439        if (mActionBarMenu == null) {
2440            return;
2441        }
2442
2443        MenuItem detailsMenuItem = mActionBarMenu.findItem(R.id.action_details);
2444        if (detailsMenuItem == null) {
2445            return;
2446        }
2447
2448        int type = data.getLocalDataType();
2449        boolean showDetails = (type == LocalData.LOCAL_IMAGE) || (type == LocalData.LOCAL_VIDEO);
2450        detailsMenuItem.setVisible(showDetails);
2451    }
2452}
2453