CameraActivity.java revision 107172f82e8c9b7cbfab09f54f97af40b9dfabde 
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.LocalDataViewType;
83import com.android.camera.data.FixedLastDataAdapter;
84import com.android.camera.data.LocalData;
85import com.android.camera.data.LocalDataAdapter;
86import com.android.camera.data.LocalDataUtil;
87import com.android.camera.data.LocalMediaData;
88import com.android.camera.data.LocalMediaObserver;
89import com.android.camera.data.LocalSessionData;
90import com.android.camera.data.MediaDetails;
91import com.android.camera.data.PanoramaMetadataLoader;
92import com.android.camera.data.RgbzMetadataLoader;
93import com.android.camera.data.SimpleViewData;
94import com.android.camera.debug.Log;
95import com.android.camera.filmstrip.FilmstripContentPanel;
96import com.android.camera.filmstrip.FilmstripController;
97import com.android.camera.hardware.HardwareSpec;
98import com.android.camera.hardware.HardwareSpecImpl;
99import com.android.camera.module.ModuleController;
100import com.android.camera.module.ModulesInfo;
101import com.android.camera.session.CaptureSession;
102import com.android.camera.session.CaptureSessionManager;
103import com.android.camera.session.CaptureSessionManager.SessionListener;
104import com.android.camera.settings.CameraSettingsActivity;
105import com.android.camera.settings.SettingsManager;
106import com.android.camera.settings.SettingsManager.SettingsCapabilities;
107import com.android.camera.settings.SettingsUtil;
108import com.android.camera.tinyplanet.TinyPlanetFragment;
109import com.android.camera.ui.AbstractTutorialOverlay;
110import com.android.camera.ui.DetailsDialog;
111import com.android.camera.ui.MainActivityLayout;
112import com.android.camera.ui.ModeListView;
113import com.android.camera.ui.ModeListView.ModeListVisibilityChangedListener;
114import com.android.camera.ui.PreviewStatusListener;
115import com.android.camera.util.ApiHelper;
116import com.android.camera.util.Callback;
117import com.android.camera.util.CameraUtil;
118import com.android.camera.util.FeedbackHelper;
119import com.android.camera.util.GalleryHelper;
120import com.android.camera.util.GcamHelper;
121import com.android.camera.util.IntentHelper;
122import com.android.camera.util.PhotoSphereHelper.PanoramaViewHelper;
123import com.android.camera.util.ReleaseDialogHelper;
124import com.android.camera.util.UsageStatistics;
125import com.android.camera.widget.FilmstripView;
126import com.android.camera.widget.Preloader;
127import com.android.camera2.R;
128import com.bumptech.glide.Glide;
129import com.bumptech.glide.resize.ImageManager;
130import com.google.common.logging.eventprotos;
131import com.google.common.logging.eventprotos.CameraEvent.InteractionCause;
132import com.google.common.logging.eventprotos.NavigationChange;
133
134import java.io.File;
135import java.io.FileInputStream;
136import java.io.FileNotFoundException;
137import java.lang.ref.WeakReference;
138import java.util.ArrayList;
139import java.util.List;
140import java.util.concurrent.Executors;
141
142public class CameraActivity extends Activity
143        implements AppController, CameraManager.CameraOpenCallback,
144        ActionBar.OnMenuVisibilityListener, ShareActionProvider.OnShareTargetSelectedListener,
145        OrientationManager.OnOrientationChangeListener {
146
147    private static final Log.Tag TAG = new Log.Tag("CameraActivity");
148
149    private static final String INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE =
150            "android.media.action.STILL_IMAGE_CAMERA_SECURE";
151    public static final String ACTION_IMAGE_CAPTURE_SECURE =
152            "android.media.action.IMAGE_CAPTURE_SECURE";
153
154    // The intent extra for camera from secure lock screen. True if the gallery
155    // should only show newly captured pictures. sSecureAlbumId does not
156    // increment. This is used when switching between camera, camcorder, and
157    // panorama. If the extra is not set, it is in the normal camera mode.
158    public static final String SECURE_CAMERA_EXTRA = "secure_camera";
159
160    /**
161     * Request code from an activity we started that indicated that we do not
162     * want to reset the view to the preview in onResume.
163     */
164    public static final int REQ_CODE_DONT_SWITCH_TO_PREVIEW = 142;
165
166    public static final int REQ_CODE_GCAM_DEBUG_POSTCAPTURE = 999;
167
168    private static final int MSG_CLEAR_SCREEN_ON_FLAG = 2;
169    private static final long SCREEN_DELAY_MS = 2 * 60 * 1000; // 2 mins.
170    private static final int MAX_PEEK_BITMAP_PIXELS = 1600000; // 1.6 * 4 MBs.
171    /** Load metadata for 10 items ahead of our current. */
172    private static final int FILMSTRIP_PRELOAD_AHEAD_ITEMS = 10;
173
174    /** Should be used wherever a context is needed. */
175    private Context mAppContext;
176
177    /**
178     * Whether onResume should reset the view to the preview.
179     */
180    private boolean mResetToPreviewOnResume = true;
181
182    /**
183     * This data adapter is used by FilmStripView.
184     */
185    private LocalDataAdapter mDataAdapter;
186
187    private SettingsManager mSettingsManager;
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 final Object mStorageSpaceLock = new Object();
202    private long mStorageSpaceBytes = Storage.LOW_STORAGE_THRESHOLD_BYTES;
203    private boolean mAutoRotateScreen;
204    private boolean mSecureCamera;
205    private int mLastRawOrientation;
206    private OrientationManagerImpl mOrientationManager;
207    private LocationManager mLocationManager;
208    private ButtonManager mButtonManager;
209    private Handler mMainHandler;
210    private PanoramaViewHelper mPanoramaViewHelper;
211    private ActionBar mActionBar;
212    private ViewGroup mUndoDeletionBar;
213    private boolean mIsUndoingDeletion = false;
214
215    private final Uri[] mNfcPushUris = new Uri[1];
216
217    private LocalMediaObserver mLocalImagesObserver;
218    private LocalMediaObserver mLocalVideosObserver;
219
220    private boolean mPendingDeletion = false;
221
222    private CameraController mCameraController;
223    private boolean mPaused;
224    private CameraAppUI mCameraAppUI;
225
226    private PeekAnimationHandler mPeekAnimationHandler;
227    private HandlerThread mPeekAnimationThread;
228
229    private FeedbackHelper mFeedbackHelper;
230
231    private Intent mGalleryIntent;
232    private long mOnCreateTime;
233
234    private Menu mActionBarMenu;
235    private Preloader<Integer, AsyncTask> mPreloader;
236
237    @Override
238    public CameraAppUI getCameraAppUI() {
239        return mCameraAppUI;
240    }
241
242    // close activity when screen turns off
243    private final BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() {
244        @Override
245        public void onReceive(Context context, Intent intent) {
246            finish();
247        }
248    };
249
250    /**
251     * Whether the screen is kept turned on.
252     */
253    private boolean mKeepScreenOn;
254    private int mLastLayoutOrientation;
255    private final CameraAppUI.BottomPanel.Listener mMyFilmstripBottomControlListener =
256            new CameraAppUI.BottomPanel.Listener() {
257
258                /**
259                 * If the current photo is a photo sphere, this will launch the
260                 * Photo Sphere panorama viewer.
261                 */
262                @Override
263                public void onExternalViewer() {
264                    if (mPanoramaViewHelper == null) {
265                        return;
266                    }
267                    final LocalData data = getCurrentLocalData();
268                    if (data == null) {
269                        return;
270                    }
271                    final Uri contentUri = data.getUri();
272                    if (contentUri == Uri.EMPTY) {
273                        return;
274                    }
275
276                    if (PanoramaMetadataLoader.isPanoramaAndUseViewer(data)) {
277                        mPanoramaViewHelper.showPanorama(CameraActivity.this, contentUri);
278                    } else if (RgbzMetadataLoader.hasRGBZData(data)) {
279                        mPanoramaViewHelper.showRgbz(contentUri);
280                        if (mSettingsManager.getBoolean(
281                                SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
282                            mSettingsManager.setBoolean(
283                                    SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING,
284                                    false);
285                            mCameraAppUI.clearClingForViewer(
286                                    CameraAppUI.BottomPanel.VIEWER_REFOCUS);
287                        }
288                    }
289                }
290
291                @Override
292                public void onEdit() {
293                    LocalData data = getCurrentLocalData();
294                    if (data == null) {
295                        return;
296                    }
297                    launchEditor(data);
298                }
299
300                @Override
301                public void onTinyPlanet() {
302                    LocalData data = getCurrentLocalData();
303                    if (data == null) {
304                        return;
305                    }
306                    launchTinyPlanetEditor(data);
307                }
308
309                @Override
310                public void onDelete() {
311                    final int currentDataId = getCurrentDataId();
312                    UsageStatistics.instance().photoInteraction(
313                            UsageStatistics.hashFileName(fileNameFromDataID(currentDataId)),
314                            eventprotos.CameraEvent.InteractionType.DELETE,
315                            InteractionCause.BUTTON);
316                    removeData(currentDataId);
317                }
318
319                @Override
320                public void onShare() {
321                    final LocalData data = getCurrentLocalData();
322
323                    // If applicable, show release information before this item
324                    // is shared.
325                    if (PanoramaMetadataLoader.isPanorama(data)
326                            || RgbzMetadataLoader.hasRGBZData(data)) {
327                        ReleaseDialogHelper.showReleaseInfoDialog(CameraActivity.this,
328                                new Callback<Void>() {
329                                    @Override
330                                    public void onCallback(Void result) {
331                                        share(data);
332                                    }
333                                });
334                    } else {
335                        share(data);
336                    }
337                }
338
339                private void share(LocalData data) {
340                    Intent shareIntent = getShareIntentByData(data);
341                    if (shareIntent != null) {
342                        try {
343                            launchActivityByIntent(shareIntent);
344                            mCameraAppUI.getFilmstripBottomControls().setShareEnabled(false);
345                        } catch (ActivityNotFoundException ex) {
346                            // Nothing.
347                        }
348                    }
349                }
350
351                private int getCurrentDataId() {
352                    return mFilmstripController.getCurrentId();
353                }
354
355                private LocalData getCurrentLocalData() {
356                    return mDataAdapter.getLocalData(getCurrentDataId());
357                }
358
359                /**
360                 * Sets up the share intent and NFC properly according to the
361                 * data.
362                 *
363                 * @param data The data to be shared.
364                 */
365                private Intent getShareIntentByData(final LocalData data) {
366                    Intent intent = null;
367                    final Uri contentUri = data.getUri();
368                    if (PanoramaMetadataLoader.isPanorama360(data) &&
369                            data.getUri() != Uri.EMPTY) {
370                        intent = new Intent(Intent.ACTION_SEND);
371                        intent.setType("application/vnd.google.panorama360+jpg");
372                        intent.putExtra(Intent.EXTRA_STREAM, contentUri);
373                    } else if (data.isDataActionSupported(LocalData.DATA_ACTION_SHARE)) {
374                        final String mimeType = data.getMimeType();
375                        intent = getShareIntentFromType(mimeType);
376                        if (intent != null) {
377                            intent.putExtra(Intent.EXTRA_STREAM, contentUri);
378                            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
379                        }
380                        intent = Intent.createChooser(intent, null);
381                    }
382                    return intent;
383                }
384
385                /**
386                 * Get the share intent according to the mimeType
387                 *
388                 * @param mimeType The mimeType of current data.
389                 * @return the video/image's ShareIntent or null if mimeType is
390                 *         invalid.
391                 */
392                private Intent getShareIntentFromType(String mimeType) {
393                    // Lazily create the intent object.
394                    Intent intent = new Intent(Intent.ACTION_SEND);
395                    if (mimeType.startsWith("video/")) {
396                        intent.setType("video/*");
397                    } else {
398                        if (mimeType.startsWith("image/")) {
399                            intent.setType("image/*");
400                        } else {
401                            Log.w(TAG, "unsupported mimeType " + mimeType);
402                        }
403                    }
404                    return intent;
405                }
406
407                @Override
408                public void onProgressErrorClicked() {
409                    LocalData data = getCurrentLocalData();
410                    getServices().getCaptureSessionManager().removeErrorMessage(
411                            data.getUri());
412                    updateBottomControlsByData(data);
413                }
414            };
415
416    @Override
417    public void onCameraOpened(CameraManager.CameraProxy camera) {
418        /**
419         * The current UI requires that the flash option visibility in front-facing
420         * camera be
421         *   * disabled if back facing camera supports flash
422         *   * hidden if back facing camera does not support flash
423         * We save whether back facing camera supports flash because we cannot get
424         * this in front facing camera without a camera switch.
425         *
426         * If this preference is cleared, we also need to clear the camera facing
427         * setting so we default to opening the camera in back facing camera, and
428         * can save this flash support value again.
429         */
430        if (!mSettingsManager.isSet(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA)) {
431            HardwareSpec hardware = new HardwareSpecImpl(camera.getParameters());
432            mSettingsManager.setBoolean(SettingsManager.SETTING_FLASH_SUPPORTED_BACK_CAMERA,
433                hardware.isFlashSupported());
434        }
435
436        if (!mModuleManager.getModuleAgent(mCurrentModeIndex).requestAppForCamera()) {
437            // We shouldn't be here. Just close the camera and leave.
438            camera.release(false);
439            throw new IllegalStateException("Camera opened but the module shouldn't be " +
440                    "requesting");
441        }
442        if (mCurrentModule != null) {
443            SettingsCapabilities capabilities =
444                    SettingsUtil.getSettingsCapabilities(camera);
445            mSettingsManager.changeCamera(camera.getCameraId(), capabilities);
446            mCurrentModule.onCameraAvailable(camera);
447        }
448        mCameraAppUI.onChangeCamera();
449    }
450
451    @Override
452    public void onCameraDisabled(int cameraId) {
453        UsageStatistics.instance().cameraFailure(
454                eventprotos.CameraFailure.FailureReason.SECURITY);
455        CameraUtil.showErrorAndFinish(this, R.string.camera_disabled);
456    }
457
458    @Override
459    public void onDeviceOpenFailure(int cameraId) {
460        UsageStatistics.instance().cameraFailure(
461                eventprotos.CameraFailure.FailureReason.OPEN_FAILURE);
462        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
463    }
464
465    @Override
466    public void onDeviceOpenedAlready(int cameraId) {
467        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
468    }
469
470    @Override
471    public void onReconnectionFailure(CameraManager mgr) {
472        UsageStatistics.instance().cameraFailure(
473                eventprotos.CameraFailure.FailureReason.RECONNECT_FAILURE);
474        CameraUtil.showErrorAndFinish(this, R.string.cannot_connect_camera);
475    }
476
477    private static class MainHandler extends Handler {
478        final WeakReference<CameraActivity> mActivity;
479
480        public MainHandler(CameraActivity activity, Looper looper) {
481            super(looper);
482            mActivity = new WeakReference<CameraActivity>(activity);
483        }
484
485        @Override
486        public void handleMessage(Message msg) {
487            CameraActivity activity = mActivity.get();
488            if (activity == null) {
489                return;
490            }
491            switch (msg.what) {
492
493                case MSG_CLEAR_SCREEN_ON_FLAG: {
494                    if (!activity.mPaused) {
495                        activity.getWindow().clearFlags(
496                                WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
497                    }
498                    break;
499                }
500            }
501        }
502    }
503
504    private String fileNameFromDataID(int dataID) {
505        final LocalData localData = mDataAdapter.getLocalData(dataID);
506
507        File localFile = new File(localData.getPath());
508        return localFile.getName();
509    }
510
511    private final FilmstripContentPanel.Listener mFilmstripListener =
512            new FilmstripContentPanel.Listener() {
513
514                @Override
515                public void onSwipeOut() {
516                    UsageStatistics.instance().changeScreen(
517                            eventprotos.NavigationChange.Mode.PHOTO_CAPTURE,
518                            eventprotos.CameraEvent.InteractionCause.SWIPE_RIGHT);
519                }
520
521                @Override
522                public void onSwipeOutBegin() {
523                    mActionBar.hide();
524                    mFilmstripCoversPreview = false;
525                    updatePreviewVisibility();
526                }
527
528                @Override
529                public void onFilmstripHidden() {
530                    mFilmstripVisible = false;
531                    CameraActivity.this.setFilmstripUiVisibility(false);
532                    // When the user hide the filmstrip (either swipe out or
533                    // tap on back key) we move to the first item so next time
534                    // when the user swipe in the filmstrip, the most recent
535                    // one is shown.
536                    mFilmstripController.goToFirstItem();
537                }
538
539                @Override
540                public void onFilmstripShown() {
541                    mFilmstripVisible = true;
542                    updateUiByData(mFilmstripController.getCurrentId());
543                }
544
545                @Override
546                public void onFocusedDataLongPressed(int dataId) {
547                    // Do nothing.
548                }
549
550                @Override
551                public void onFocusedDataPromoted(int dataID) {
552                    UsageStatistics.instance().photoInteraction(
553                            UsageStatistics.hashFileName(fileNameFromDataID(dataID)),
554                            eventprotos.CameraEvent.InteractionType.DELETE,
555                            InteractionCause.SWIPE_UP);
556
557                    removeData(dataID);
558                }
559
560                @Override
561                public void onFocusedDataDemoted(int dataID) {
562                    UsageStatistics.instance().photoInteraction(
563                            UsageStatistics.hashFileName(fileNameFromDataID(dataID)),
564                            eventprotos.CameraEvent.InteractionType.DELETE,
565                            InteractionCause.SWIPE_DOWN);
566
567                    removeData(dataID);
568                }
569
570                @Override
571                public void onEnterFullScreenUiShown(int dataId) {
572                    if (mFilmstripVisible) {
573                        CameraActivity.this.setFilmstripUiVisibility(true);
574                    }
575                }
576
577                @Override
578                public void onLeaveFullScreenUiShown(int dataId) {
579                    // Do nothing.
580                }
581
582                @Override
583                public void onEnterFullScreenUiHidden(int dataId) {
584                    if (mFilmstripVisible) {
585                        CameraActivity.this.setFilmstripUiVisibility(false);
586                    }
587                }
588
589                @Override
590                public void onLeaveFullScreenUiHidden(int dataId) {
591                    // Do nothing.
592                }
593
594                @Override
595                public void onEnterFilmstrip(int dataId) {
596                    if (mFilmstripVisible) {
597                        CameraActivity.this.setFilmstripUiVisibility(true);
598                    }
599                }
600
601                @Override
602                public void onLeaveFilmstrip(int dataId) {
603                    // Do nothing.
604                }
605
606                @Override
607                public void onDataReloaded() {
608                    if (!mFilmstripVisible) {
609                        return;
610                    }
611                    updateUiByData(mFilmstripController.getCurrentId());
612                }
613
614                @Override
615                public void onDataUpdated(int dataId) {
616                    if (!mFilmstripVisible) {
617                        return;
618                    }
619                    updateUiByData(mFilmstripController.getCurrentId());
620                }
621
622                @Override
623                public void onEnterZoomView(int dataID) {
624                    if (mFilmstripVisible) {
625                        CameraActivity.this.setFilmstripUiVisibility(false);
626                    }
627                }
628
629                @Override
630                public void onDataFocusChanged(final int prevDataId, final int newDataId) {
631                    if (!mFilmstripVisible) {
632                        return;
633                    }
634                    // TODO: This callback is UI event callback, should always
635                    // happen on UI thread. Find the reason for this
636                    // runOnUiThread() and fix it.
637                    runOnUiThread(new Runnable() {
638                        @Override
639                        public void run() {
640                            updateUiByData(newDataId);
641                        }
642                    });
643                }
644
645                @Override
646                public void onScroll(int firstVisiblePosition, int visibleItemCount, int totalItemCount) {
647                    mPreloader.onScroll(null /*absListView*/, firstVisiblePosition, visibleItemCount, totalItemCount);
648                }
649            };
650
651    private final LocalDataAdapter.LocalDataListener mLocalDataListener =
652            new LocalDataAdapter.LocalDataListener() {
653                @Override
654                public void onMetadataUpdated(List<Integer> updatedData) {
655                    int currentDataId = mFilmstripController.getCurrentId();
656                    for (Integer dataId : updatedData) {
657                        if (dataId == currentDataId) {
658                            updateBottomControlsByData(mDataAdapter.getLocalData(dataId));
659                        }
660                    }
661                }
662            };
663
664    public void gotoGallery() {
665        UsageStatistics.instance().changeScreen(NavigationChange.Mode.FILMSTRIP,
666                InteractionCause.BUTTON);
667
668        mFilmstripController.goToNextItem();
669    }
670
671    /**
672     * If 'visible' is false, this hides the action bar and switches the
673     * filmstrip UI to lights-out mode.
674     *
675     * @param visible is false, this hides the action bar and switches the
676     *            filmstrip UI to lights-out mode.
677     */
678    private void setFilmstripUiVisibility(boolean visible) {
679        int currentSystemUIVisibility = mAboveFilmstripControlLayout.getSystemUiVisibility();
680        int newSystemUIVisibility = (visible ? View.SYSTEM_UI_FLAG_VISIBLE
681                : View.SYSTEM_UI_FLAG_FULLSCREEN);
682        if (newSystemUIVisibility != currentSystemUIVisibility) {
683            mAboveFilmstripControlLayout.setSystemUiVisibility(newSystemUIVisibility);
684        }
685
686        mCameraAppUI.getFilmstripBottomControls().setVisible(visible);
687        if (visible != mActionBar.isShowing()) {
688            if (visible) {
689                mActionBar.show();
690            } else {
691                mActionBar.hide();
692            }
693        }
694        mFilmstripCoversPreview = visible;
695        updatePreviewVisibility();
696    }
697
698    private void hideSessionProgress() {
699        mCameraAppUI.getFilmstripBottomControls().hideProgress();
700    }
701
702    private void showSessionProgress(CharSequence message) {
703        CameraAppUI.BottomPanel controls =  mCameraAppUI.getFilmstripBottomControls();
704        controls.setProgressText(message);
705        controls.hideControls();
706        controls.hideProgressError();
707        controls.showProgress();
708    }
709
710    private void showProcessError(CharSequence message) {
711        mCameraAppUI.getFilmstripBottomControls().showProgressError(message);
712    }
713
714    private void updateSessionProgress(int progress) {
715        mCameraAppUI.getFilmstripBottomControls().setProgress(progress);
716    }
717
718    private void updateSessionProgressText(CharSequence message) {
719        mCameraAppUI.getFilmstripBottomControls().setProgressText(message);
720    }
721
722    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
723    private void setupNfcBeamPush() {
724        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(mAppContext);
725        if (adapter == null) {
726            return;
727        }
728
729        if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) {
730            // Disable beaming
731            adapter.setNdefPushMessage(null, CameraActivity.this);
732            return;
733        }
734
735        adapter.setBeamPushUris(null, CameraActivity.this);
736        adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
737            @Override
738            public Uri[] createBeamUris(NfcEvent event) {
739                return mNfcPushUris;
740            }
741        }, CameraActivity.this);
742    }
743
744    @Override
745    public void onMenuVisibilityChanged(boolean isVisible) {
746        // TODO: Remove this or bring back the original implementation: cancel
747        // auto-hide actionbar.
748    }
749
750    @Override
751    public boolean onShareTargetSelected(ShareActionProvider shareActionProvider, Intent intent) {
752        int currentDataId = mFilmstripController.getCurrentId();
753        if (currentDataId < 0) {
754            return false;
755        }
756        UsageStatistics.instance().photoInteraction(
757                UsageStatistics.hashFileName(fileNameFromDataID(currentDataId)),
758                eventprotos.CameraEvent.InteractionType.SHARE,
759                InteractionCause.BUTTON);
760        // TODO add intent.getComponent().getPackageName()
761        return true;
762    }
763
764    // Note: All callbacks come back on the main thread.
765    private final SessionListener mSessionListener =
766            new SessionListener() {
767                @Override
768                public void onSessionQueued(final Uri uri) {
769                    if (!Storage.isSessionUri(uri)) {
770                        return;
771                    }
772                    LocalSessionData newData = new LocalSessionData(uri);
773                    mDataAdapter.addData(newData);
774                }
775
776                @Override
777                public void onSessionDone(final Uri sessionUri) {
778                    Log.v(TAG, "onSessionDone:" + sessionUri);
779                    Uri contentUri = Storage.getContentUriForSessionUri(sessionUri);
780                    if (contentUri == null) {
781                        mDataAdapter.refresh(sessionUri);
782                        return;
783                    }
784                    LocalData newData = LocalMediaData.PhotoData.fromContentUri(
785                            getContentResolver(), contentUri);
786
787                    final int pos = mDataAdapter.findDataByContentUri(sessionUri);
788                    if (pos == -1) {
789                        // We do not have a placeholder for this image, perhaps due to the
790                        // activity crashing or being killed.
791                        mDataAdapter.addData(newData);
792                    }  else  {
793                        mDataAdapter.updateData(pos, newData);
794                    }
795                }
796
797                @Override
798                public void onSessionProgress(final Uri uri, final int progress) {
799                    if (progress < 0) {
800                        // Do nothing, there is no task for this URI.
801                        return;
802                    }
803                    int currentDataId = mFilmstripController.getCurrentId();
804                    if (currentDataId == -1) {
805                        return;
806                    }
807                    if (uri.equals(
808                            mDataAdapter.getLocalData(currentDataId).getUri())) {
809                        updateSessionProgress(progress);
810                    }
811                }
812
813                @Override
814                public void onSessionProgressText(final Uri uri, final CharSequence message) {
815                    int currentDataId = mFilmstripController.getCurrentId();
816                    if (currentDataId == -1) {
817                        return;
818                    }
819                    if (uri.equals(
820                            mDataAdapter.getLocalData(currentDataId).getUri())) {
821                        updateSessionProgressText(message);
822                    }
823                }
824
825                @Override
826                public void onSessionUpdated(Uri uri) {
827                    mDataAdapter.refresh(uri);
828                }
829
830                @Override
831                public void onSessionPreviewAvailable(Uri uri) {
832                    mDataAdapter.refresh(uri);
833                    int dataId = mDataAdapter.findDataByContentUri(uri);
834                    if (dataId != -1) {
835                        startPeekAnimation(mDataAdapter.getLocalData(dataId));
836                    }
837                }
838
839                @Override
840                public void onSessionFailed(Uri uri, CharSequence reason) {
841                    Log.v(TAG, "onSessionFailed:" + uri);
842
843                    int failedDataId = mDataAdapter.findDataByContentUri(uri);
844                    int currentDataId = mFilmstripController.getCurrentId();
845
846                    if (currentDataId == failedDataId) {
847                        updateSessionProgress(0);
848                        showProcessError(reason);
849                    }
850                    // HERE
851                    mDataAdapter.refresh(uri);
852                }
853            };
854
855    @Override
856    public Context getAndroidContext() {
857        return mAppContext;
858    }
859
860    @Override
861    public void launchActivityByIntent(Intent intent) {
862        startActivityForResult(intent, REQ_CODE_DONT_SWITCH_TO_PREVIEW);
863    }
864
865    @Override
866    public int getCurrentModuleIndex() {
867        return mCurrentModeIndex;
868    }
869
870    @Override
871    public ModuleController getCurrentModuleController() {
872        return mCurrentModule;
873    }
874
875    @Override
876    public int getQuickSwitchToModuleId(int currentModuleIndex) {
877        return mModuleManager.getQuickSwitchToModuleId(currentModuleIndex, mSettingsManager,
878                mAppContext);
879    }
880
881    @Override
882    public SurfaceTexture getPreviewBuffer() {
883        // TODO: implement this
884        return null;
885    }
886
887    @Override
888    public void onPreviewReadyToStart() {
889        mCameraAppUI.onPreviewReadyToStart();
890    }
891
892    @Override
893    public void onPreviewStarted() {
894        mCameraAppUI.onPreviewStarted();
895    }
896
897    @Override
898    public void addPreviewAreaSizeChangedListener(
899            PreviewStatusListener.PreviewAreaChangedListener listener) {
900        mCameraAppUI.addPreviewAreaChangedListener(listener);
901    }
902
903    @Override
904    public void removePreviewAreaSizeChangedListener(
905            PreviewStatusListener.PreviewAreaChangedListener listener) {
906        mCameraAppUI.removePreviewAreaChangedListener(listener);
907    }
908
909    @Override
910    public void setupOneShotPreviewListener() {
911        mCameraController.setOneShotPreviewCallback(mMainHandler,
912                new CameraManager.CameraPreviewDataCallback() {
913                    @Override
914                    public void onPreviewFrame(byte[] data, CameraManager.CameraProxy camera) {
915                        mCurrentModule.onPreviewInitialDataReceived();
916                        mCameraAppUI.onNewPreviewFrame();
917                    }
918                }
919        );
920    }
921
922    @Override
923    public void updatePreviewAspectRatio(float aspectRatio) {
924        mCameraAppUI.updatePreviewAspectRatio(aspectRatio);
925    }
926
927    @Override
928    public void updatePreviewTransform(Matrix matrix) {
929        mCameraAppUI.updatePreviewTransform(matrix);
930    }
931
932    @Override
933    public void setPreviewStatusListener(PreviewStatusListener previewStatusListener) {
934        mCameraAppUI.setPreviewStatusListener(previewStatusListener);
935    }
936
937    @Override
938    public FrameLayout getModuleLayoutRoot() {
939        return mCameraAppUI.getModuleRootView();
940    }
941
942    @Override
943    public void setShutterEventsListener(ShutterEventsListener listener) {
944        // TODO: implement this
945    }
946
947    @Override
948    public void setShutterEnabled(boolean enabled) {
949        mCameraAppUI.setShutterButtonEnabled(enabled);
950    }
951
952    @Override
953    public boolean isShutterEnabled() {
954        return mCameraAppUI.isShutterButtonEnabled();
955    }
956
957    @Override
958    public void startPreCaptureAnimation() {
959        mCameraAppUI.startPreCaptureAnimation();
960    }
961
962    @Override
963    public void cancelPreCaptureAnimation() {
964        // TODO: implement this
965    }
966
967    @Override
968    public void startPostCaptureAnimation() {
969        // TODO: implement this
970    }
971
972    @Override
973    public void startPostCaptureAnimation(Bitmap thumbnail) {
974        // TODO: implement this
975    }
976
977    @Override
978    public void cancelPostCaptureAnimation() {
979        // TODO: implement this
980    }
981
982    @Override
983    public OrientationManager getOrientationManager() {
984        return mOrientationManager;
985    }
986
987    @Override
988    public LocationManager getLocationManager() {
989        return mLocationManager;
990    }
991
992    @Override
993    public void lockOrientation() {
994        if (mOrientationManager != null) {
995            mOrientationManager.lockOrientation();
996        }
997    }
998
999    @Override
1000    public void unlockOrientation() {
1001        if (mOrientationManager != null) {
1002            mOrientationManager.unlockOrientation();
1003        }
1004    }
1005
1006    /**
1007     * Starts the filmstrip peek animation if the filmstrip is not visible.
1008     * Only {@link LocalData#LOCAL_IMAGE}, {@link
1009     * LocalData#LOCAL_IN_PROGRESS_DATA} and {@link
1010     * LocalData#LOCAL_VIDEO} are supported.
1011     *
1012     * @param data The data to peek.
1013     */
1014    private void startPeekAnimation(final LocalData data) {
1015        if (mFilmstripVisible || mPeekAnimationHandler == null) {
1016            return;
1017        }
1018
1019        int dataType = data.getLocalDataType();
1020        if (dataType != LocalData.LOCAL_IMAGE && dataType != LocalData.LOCAL_IN_PROGRESS_DATA &&
1021                dataType != LocalData.LOCAL_VIDEO) {
1022            return;
1023        }
1024
1025        mPeekAnimationHandler.startDecodingJob(data, new Callback<Bitmap>() {
1026            @Override
1027            public void onCallback(Bitmap result) {
1028                mCameraAppUI.startPeekAnimation(result, true);
1029            }
1030        });
1031    }
1032
1033    @Override
1034    public void notifyNewMedia(Uri uri) {
1035        ContentResolver cr = getContentResolver();
1036        String mimeType = cr.getType(uri);
1037        if (LocalDataUtil.isMimeTypeVideo(mimeType)) {
1038            sendBroadcast(new Intent(CameraUtil.ACTION_NEW_VIDEO, uri));
1039            LocalData newData = LocalMediaData.VideoData.fromContentUri(getContentResolver(), uri);
1040            if (newData == null) {
1041                Log.e(TAG, "Can't find video data in content resolver:" + uri);
1042                return;
1043            }
1044            if (mDataAdapter.addData(newData)) {
1045                startPeekAnimation(newData);
1046            }
1047        } else if (LocalDataUtil.isMimeTypeImage(mimeType)) {
1048            CameraUtil.broadcastNewPicture(mAppContext, uri);
1049            LocalData newData = LocalMediaData.PhotoData.fromContentUri(getContentResolver(), uri);
1050            if (newData == null) {
1051                Log.e(TAG, "Can't find photo data in content resolver:" + uri);
1052                return;
1053            }
1054            if (mDataAdapter.addData(newData)) {
1055                startPeekAnimation(newData);
1056            }
1057        } else {
1058            Log.w(TAG, "Unknown new media with MIME type:" + mimeType + ", uri:" + uri);
1059        }
1060    }
1061
1062    @Override
1063    public void enableKeepScreenOn(boolean enabled) {
1064        if (mPaused) {
1065            return;
1066        }
1067
1068        mKeepScreenOn = enabled;
1069        if (mKeepScreenOn) {
1070            mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
1071            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
1072        } else {
1073            keepScreenOnForAWhile();
1074        }
1075    }
1076
1077    @Override
1078    public CameraProvider getCameraProvider() {
1079        return mCameraController;
1080    }
1081
1082    private void removeData(int dataID) {
1083        mDataAdapter.removeData(dataID);
1084        if (mDataAdapter.getTotalNumber() > 1) {
1085            showUndoDeletionBar();
1086        } else {
1087            // If camera preview is the only view left in filmstrip,
1088            // no need to show undo bar.
1089            mPendingDeletion = true;
1090            performDeletion();
1091            if (mFilmstripVisible) {
1092                mCameraAppUI.getFilmstripContentPanel().animateHide();
1093            }
1094        }
1095    }
1096
1097    @Override
1098    public boolean onOptionsItemSelected(MenuItem item) {
1099        // Handle presses on the action bar items
1100        switch (item.getItemId()) {
1101            case android.R.id.home:
1102                if (mFilmstripVisible && startGallery()) {
1103                    return true;
1104                }
1105                onBackPressed();
1106                return true;
1107            case R.id.action_details:
1108                showDetailsDialog(mFilmstripController.getCurrentId());
1109                return true;
1110            default:
1111                return super.onOptionsItemSelected(item);
1112        }
1113    }
1114
1115    private boolean isCaptureIntent() {
1116        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())
1117                || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())
1118                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1119            return true;
1120        } else {
1121            return false;
1122        }
1123    }
1124
1125    private final CameraManager.CameraExceptionCallback mCameraDefaultExceptionCallback
1126        = new CameraManager.CameraExceptionCallback() {
1127                @Override
1128                public void onCameraException(RuntimeException e) {
1129                    Log.d(TAG, "Camera Exception", e);
1130                    CameraUtil.showErrorAndFinish(CameraActivity.this,
1131                            R.string.cannot_connect_camera);
1132                }
1133            };
1134
1135    @Override
1136    public void onCreate(Bundle state) {
1137        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_START);
1138
1139        super.onCreate(state);
1140        final Glide glide = Glide.get();
1141        if (!glide.isImageManagerSet()) {
1142            // We load exclusively large images, so we want fewer threads to minimize jank.
1143            glide.setImageManager(new ImageManager.Builder(getApplicationContext())
1144                    .setResizeService(Executors.newSingleThreadExecutor()));
1145        }
1146
1147        mOnCreateTime = System.currentTimeMillis();
1148        mAppContext = getApplicationContext();
1149        mSettingsManager = new SettingsManager(mAppContext, this);
1150        GcamHelper.init(getContentResolver());
1151
1152        getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
1153        setContentView(R.layout.activity_main);
1154        mActionBar = getActionBar();
1155        mActionBar.addOnMenuVisibilityListener(this);
1156        mMainHandler = new MainHandler(this, getMainLooper());
1157        mCameraController =
1158                new CameraController(mAppContext, this, mMainHandler,
1159                        CameraManagerFactory.getAndroidCameraManager());
1160        mCameraController.setCameraDefaultExceptionCallback(mCameraDefaultExceptionCallback,
1161                mMainHandler);
1162
1163        // TODO: Try to move all the resources allocation to happen as soon as
1164        // possible so we can call module.init() at the earliest time.
1165        mModuleManager = new ModuleManagerImpl();
1166        ModulesInfo.setupModules(mAppContext, mModuleManager);
1167
1168        mModeListView = (ModeListView) findViewById(R.id.mode_list_layout);
1169        mModeListView.init(mModuleManager.getSupportedModeIndexList());
1170        if (ApiHelper.HAS_ROTATION_ANIMATION) {
1171            setRotationAnimation();
1172        }
1173        mModeListView.setVisibilityChangedListener(new ModeListVisibilityChangedListener() {
1174            @Override
1175            public void onVisibilityChanged(boolean visible) {
1176                mModeListVisible = visible;
1177                updatePreviewVisibility();
1178            }
1179        });
1180
1181        // Check if this is in the secure camera mode.
1182        Intent intent = getIntent();
1183        String action = intent.getAction();
1184        if (INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)
1185                || ACTION_IMAGE_CAPTURE_SECURE.equals(action)) {
1186            mSecureCamera = true;
1187        } else {
1188            mSecureCamera = intent.getBooleanExtra(SECURE_CAMERA_EXTRA, false);
1189        }
1190
1191        if (mSecureCamera) {
1192            // Foreground event caused by lock screen startup.
1193            // It is necessary to log this in onCreate, to avoid the
1194            // onResume->onPause->onResume sequence.
1195            UsageStatistics.instance().foregrounded(
1196                    eventprotos.ForegroundEvent.ForegroundSource.LOCK_SCREEN);
1197
1198            // Change the window flags so that secure camera can show when
1199            // locked
1200            Window win = getWindow();
1201            WindowManager.LayoutParams params = win.getAttributes();
1202            params.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
1203            win.setAttributes(params);
1204
1205            // Filter for screen off so that we can finish secure camera
1206            // activity
1207            // when screen is off.
1208            IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
1209            registerReceiver(mScreenOffReceiver, filter);
1210        }
1211        mCameraAppUI = new CameraAppUI(this,
1212                (MainActivityLayout) findViewById(R.id.activity_root_view), isCaptureIntent());
1213
1214        mCameraAppUI.setFilmstripBottomControlsListener(mMyFilmstripBottomControlListener);
1215
1216        mAboveFilmstripControlLayout =
1217                (FrameLayout) findViewById(R.id.camera_filmstrip_content_layout);
1218
1219        // Add the session listener so we can track the session progress
1220        // updates.
1221        getServices().getCaptureSessionManager().addSessionListener(mSessionListener);
1222        mFilmstripController = ((FilmstripView) findViewById(R.id.filmstrip_view)).getController();
1223        mFilmstripController.setImageGap(
1224                getResources().getDimensionPixelSize(R.dimen.camera_film_strip_gap));
1225        mPanoramaViewHelper = new PanoramaViewHelper(this);
1226        mPanoramaViewHelper.onCreate();
1227        // Set up the camera preview first so the preview shows up ASAP.
1228        mDataAdapter = new CameraDataAdapter(mAppContext, R.color.photo_placeholder);
1229        mDataAdapter.setLocalDataListener(mLocalDataListener);
1230
1231        mPreloader = new Preloader<Integer, AsyncTask>(FILMSTRIP_PRELOAD_AHEAD_ITEMS, mDataAdapter,
1232                mDataAdapter);
1233
1234        mCameraAppUI.getFilmstripContentPanel().setFilmstripListener(mFilmstripListener);
1235        if (mSettingsManager.getBoolean(SettingsManager.SETTING_SHOULD_SHOW_REFOCUS_VIEWER_CLING)) {
1236            mCameraAppUI.setupClingForViewer(CameraAppUI.BottomPanel.VIEWER_REFOCUS);
1237        }
1238
1239        mLocationManager = new LocationManager(mAppContext);
1240
1241        mOrientationManager = new OrientationManagerImpl(this);
1242        mOrientationManager.addOnOrientationChangeListener(mMainHandler, this);
1243
1244        setModuleFromModeIndex(getModeIndex());
1245        mCameraAppUI.prepareModuleUI();
1246        mCurrentModule.init(this, isSecureCamera(), isCaptureIntent());
1247
1248        if (!mSecureCamera) {
1249            mFilmstripController.setDataAdapter(mDataAdapter);
1250            if (!isCaptureIntent()) {
1251                mDataAdapter.requestLoad(new Callback<Void>() {
1252                    @Override
1253                    public void onCallback(Void result) {
1254                        fillTemporarySessions();
1255                    }
1256                });
1257            }
1258        } else {
1259            // Put a lock placeholder as the last image by setting its date to
1260            // 0.
1261            ImageView v = (ImageView) getLayoutInflater().inflate(
1262                    R.layout.secure_album_placeholder, null);
1263            v.setOnClickListener(new View.OnClickListener() {
1264                @Override
1265                public void onClick(View view) {
1266                    UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
1267                            InteractionCause.BUTTON);
1268                    startGallery();
1269                    finish();
1270                }
1271            });
1272            v.setContentDescription(getString(R.string.accessibility_unlock_to_camera));
1273            mDataAdapter = new FixedLastDataAdapter(
1274                    mAppContext,
1275                    mDataAdapter,
1276                    new SimpleViewData(
1277                            v,
1278                            LocalDataViewType.SECURE_ALBUM_PLACEHOLDER,
1279                            v.getDrawable().getIntrinsicWidth(),
1280                            v.getDrawable().getIntrinsicHeight(),
1281                            0, 0));
1282            // Flush out all the original data.
1283            mDataAdapter.flush();
1284            mFilmstripController.setDataAdapter(mDataAdapter);
1285        }
1286
1287        setupNfcBeamPush();
1288
1289        mLocalImagesObserver = new LocalMediaObserver();
1290        mLocalVideosObserver = new LocalMediaObserver();
1291
1292        getContentResolver().registerContentObserver(
1293                MediaStore.Images.Media.EXTERNAL_CONTENT_URI, true,
1294                mLocalImagesObserver);
1295        getContentResolver().registerContentObserver(
1296                MediaStore.Video.Media.EXTERNAL_CONTENT_URI, true,
1297                mLocalVideosObserver);
1298        if (FeedbackHelper.feedbackAvailable()) {
1299            mFeedbackHelper = new FeedbackHelper(mAppContext);
1300        }
1301    }
1302
1303    /**
1304     * Get the current mode index from the Intent or from persistent
1305     * settings.
1306     */
1307    public int getModeIndex() {
1308        int modeIndex = -1;
1309        int photoIndex = getResources().getInteger(R.integer.camera_mode_photo);
1310        int videoIndex = getResources().getInteger(R.integer.camera_mode_video);
1311        int gcamIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1312        if (MediaStore.INTENT_ACTION_VIDEO_CAMERA.equals(getIntent().getAction())
1313                || MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())) {
1314            modeIndex = videoIndex;
1315        } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA.equals(getIntent().getAction())
1316                || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())) {
1317            // TODO: synchronize mode options with photo module without losing
1318            // HDR+ preferences.
1319            modeIndex = photoIndex;
1320        } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(getIntent()
1321                        .getAction())
1322                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1323            modeIndex = mSettingsManager.getInt(
1324                SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX);
1325        } else {
1326            // If the activity has not been started using an explicit intent,
1327            // read the module index from the last time the user changed modes
1328            modeIndex = mSettingsManager.getInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX);
1329            if ((modeIndex == gcamIndex &&
1330                    !GcamHelper.hasGcamCapture()) || modeIndex < 0) {
1331                modeIndex = photoIndex;
1332            }
1333        }
1334        return modeIndex;
1335    }
1336
1337    /**
1338     * Call this whenever the mode drawer or filmstrip change the visibility
1339     * state.
1340     */
1341    private void updatePreviewVisibility() {
1342        if (mCurrentModule == null) {
1343            return;
1344        }
1345
1346        int visibility = getPreviewVisibility();
1347        updatePreviewRendering(visibility);
1348        updateCaptureControls(visibility);
1349        mCurrentModule.onPreviewVisibilityChanged(visibility);
1350    }
1351
1352    private void updateCaptureControls(int visibility) {
1353        if (visibility == ModuleController.VISIBILITY_HIDDEN) {
1354            mCameraAppUI.setIndicatorBottomBarWrapperVisible(false);
1355        } else {
1356            mCameraAppUI.setIndicatorBottomBarWrapperVisible(true);
1357        }
1358    }
1359
1360    private void updatePreviewRendering(int visibility) {
1361        if (visibility == ModuleController.VISIBILITY_HIDDEN) {
1362            mCameraAppUI.pausePreviewRendering();
1363        } else {
1364            mCameraAppUI.resumePreviewRendering();
1365        }
1366    }
1367
1368    private int getPreviewVisibility() {
1369        if (mFilmstripCoversPreview) {
1370            return ModuleController.VISIBILITY_HIDDEN;
1371        } else if (mModeListVisible){
1372            return ModuleController.VISIBILITY_COVERED;
1373        } else {
1374            return ModuleController.VISIBILITY_VISIBLE;
1375        }
1376    }
1377
1378    private void setRotationAnimation() {
1379        int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
1380        rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
1381        Window win = getWindow();
1382        WindowManager.LayoutParams winParams = win.getAttributes();
1383        winParams.rotationAnimation = rotationAnimation;
1384        win.setAttributes(winParams);
1385    }
1386
1387    @Override
1388    public void onUserInteraction() {
1389        super.onUserInteraction();
1390        if (!isFinishing()) {
1391            keepScreenOnForAWhile();
1392        }
1393    }
1394
1395    @Override
1396    public boolean dispatchTouchEvent(MotionEvent ev) {
1397        boolean result = super.dispatchTouchEvent(ev);
1398        if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
1399            // Real deletion is postponed until the next user interaction after
1400            // the gesture that triggers deletion. Until real deletion is
1401            // performed, users can click the undo button to bring back the
1402            // image that they chose to delete.
1403            if (mPendingDeletion && !mIsUndoingDeletion) {
1404                performDeletion();
1405            }
1406        }
1407        return result;
1408    }
1409
1410    @Override
1411    public void onPause() {
1412        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_PAUSE);
1413
1414        /*
1415         * Save the last module index after all secure camera and icon launches,
1416         * not just on mode switches.
1417         *
1418         * Right now we exclude capture intents from this logic, because we also
1419         * ignore the cross-Activity recovery logic in onStart for capture intents.
1420         */
1421        if (!isCaptureIntent()) {
1422            mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX,
1423                mCurrentModeIndex);
1424        }
1425
1426        mPaused = true;
1427        mPeekAnimationHandler = null;
1428        mPeekAnimationThread.quitSafely();
1429        mPeekAnimationThread = null;
1430
1431        // Delete photos that are pending deletion
1432        performDeletion();
1433        mCurrentModule.pause();
1434        mOrientationManager.pause();
1435        // Close the camera and wait for the operation done.
1436        mCameraController.closeCamera();
1437        mPanoramaViewHelper.onPause();
1438
1439        mLocalImagesObserver.setForegroundChangeListener(null);
1440        mLocalImagesObserver.setActivityPaused(true);
1441        mLocalVideosObserver.setActivityPaused(true);
1442        mPreloader.cancelAllLoads();
1443        resetScreenOn();
1444        super.onPause();
1445    }
1446
1447    @Override
1448    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
1449        if (requestCode == REQ_CODE_DONT_SWITCH_TO_PREVIEW) {
1450            mResetToPreviewOnResume = false;
1451        } else {
1452            super.onActivityResult(requestCode, resultCode, data);
1453        }
1454    }
1455
1456    @Override
1457    public void onResume() {
1458        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.ACTIVITY_RESUME);
1459
1460        mPaused = false;
1461
1462        mLastLayoutOrientation = getResources().getConfiguration().orientation;
1463
1464        // TODO: Handle this in OrientationManager.
1465        // Auto-rotate off
1466        if (Settings.System.getInt(getContentResolver(),
1467                Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {
1468            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
1469            mAutoRotateScreen = false;
1470        } else {
1471            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
1472            mAutoRotateScreen = true;
1473        }
1474
1475        if (isCaptureIntent()) {
1476            // Foreground event caused by photo or video capure intent.
1477            UsageStatistics.instance().foregrounded(
1478                    eventprotos.ForegroundEvent.ForegroundSource.INTENT_PICKER);
1479        } else if (!mSecureCamera) {
1480            // Foreground event that is not caused by an intent.
1481            UsageStatistics.instance().foregrounded(
1482                    eventprotos.ForegroundEvent.ForegroundSource.ICON_LAUNCHER);
1483        }
1484
1485        Drawable galleryLogo;
1486        if (mSecureCamera) {
1487            mGalleryIntent = null;
1488            galleryLogo = null;
1489        } else {
1490            mGalleryIntent = IntentHelper.getDefaultGalleryIntent(mAppContext);
1491            galleryLogo = IntentHelper.getGalleryIcon(mAppContext, mGalleryIntent);
1492        }
1493        if (galleryLogo == null) {
1494            try {
1495                galleryLogo = getPackageManager().getActivityLogo(getComponentName());
1496            } catch (PackageManager.NameNotFoundException e) {
1497                Log.e(TAG, "Can't get the activity logo");
1498            }
1499        }
1500        if (mGalleryIntent != null) {
1501            mActionBar.setDisplayUseLogoEnabled(true);
1502        }
1503        mActionBar.setLogo(galleryLogo);
1504        mOrientationManager.resume();
1505        super.onResume();
1506        mPeekAnimationThread = new HandlerThread("Peek animation");
1507        mPeekAnimationThread.start();
1508        mPeekAnimationHandler = new PeekAnimationHandler(mPeekAnimationThread.getLooper());
1509
1510        mCurrentModule.hardResetSettings(mSettingsManager);
1511        mCurrentModule.resume();
1512        setSwipingEnabled(true);
1513
1514        if (!mResetToPreviewOnResume) {
1515            LocalData data = mDataAdapter.getLocalData(mFilmstripController.getCurrentId());
1516            if (data != null) {
1517                mDataAdapter.refresh(data.getUri());
1518            }
1519        }
1520        // The share button might be disabled to avoid double tapping.
1521        mCameraAppUI.getFilmstripBottomControls().setShareEnabled(true);
1522        // Default is showing the preview, unless disabled by explicitly
1523        // starting an activity we want to return from to the filmstrip rather
1524        // than the preview.
1525        mResetToPreviewOnResume = true;
1526
1527        if (mLocalVideosObserver.isMediaDataChangedDuringPause()
1528                || mLocalImagesObserver.isMediaDataChangedDuringPause()) {
1529            if (!mSecureCamera) {
1530                // If it's secure camera, requestLoad() should not be called
1531                // as it will load all the data.
1532                if (!mFilmstripVisible) {
1533                    mDataAdapter.requestLoad(new Callback<Void>() {
1534                        @Override
1535                        public void onCallback(Void result) {
1536                            fillTemporarySessions();
1537                        }
1538                    });
1539                } else {
1540                    mDataAdapter.requestLoadNewPhotos();
1541                }
1542            }
1543        }
1544        mLocalImagesObserver.setActivityPaused(false);
1545        mLocalVideosObserver.setActivityPaused(false);
1546        if (!mSecureCamera) {
1547            mLocalImagesObserver.setForegroundChangeListener(
1548                    new LocalMediaObserver.ChangeListener() {
1549                @Override
1550                public void onChange() {
1551                    mDataAdapter.requestLoadNewPhotos();
1552                }
1553            });
1554        }
1555
1556        keepScreenOnForAWhile();
1557
1558        // Lights-out mode at all times.
1559        findViewById(R.id.activity_root_view)
1560                .setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
1561
1562        mPanoramaViewHelper.onResume();
1563        ReleaseDialogHelper.showReleaseInfoDialogOnStart(this, mSettingsManager);
1564        syncLocationManagerSetting();
1565
1566        final int previewVisibility = getPreviewVisibility();
1567        updatePreviewRendering(previewVisibility);
1568    }
1569
1570    private void fillTemporarySessions() {
1571        if (mSecureCamera) {
1572            return;
1573        }
1574        // There might be sessions still in flight (processed by our service).
1575        // Make sure they're added to the filmstrip.
1576        getServices().getCaptureSessionManager().fillTemporarySession(mSessionListener);
1577    }
1578
1579    @Override
1580    public void onStart() {
1581        super.onStart();
1582        mPanoramaViewHelper.onStart();
1583
1584        /*
1585         * If we're starting after launching a different Activity (lockscreen),
1586         * we need to use the last mode used in the other Activity, and
1587         * not the old one from this Activity.
1588         *
1589         * This needs to happen before CameraAppUI.resume() in order to set the
1590         * mode cover icon to the actual last mode used.
1591         *
1592         * Right now we exclude capture intents from this logic.
1593         */
1594        int modeIndex = getModeIndex();
1595        if (!isCaptureIntent() && mCurrentModeIndex != modeIndex) {
1596            onModeSelected(modeIndex);
1597        }
1598
1599        if (mResetToPreviewOnResume) {
1600            mCameraAppUI.resume();
1601            mResetToPreviewOnResume = false;
1602        }
1603    }
1604
1605    @Override
1606    protected void onStop() {
1607        mPanoramaViewHelper.onStop();
1608        if (mFeedbackHelper != null) {
1609            mFeedbackHelper.stopFeedback();
1610        }
1611
1612        mLocationManager.disconnect();
1613        super.onStop();
1614    }
1615
1616    @Override
1617    public void onDestroy() {
1618        if (mSecureCamera) {
1619            unregisterReceiver(mScreenOffReceiver);
1620        }
1621        mActionBar.removeOnMenuVisibilityListener(this);
1622        mSettingsManager.removeAllListeners();
1623        mCameraController.removeCallbackReceiver();
1624        getContentResolver().unregisterContentObserver(mLocalImagesObserver);
1625        getContentResolver().unregisterContentObserver(mLocalVideosObserver);
1626        getServices().getCaptureSessionManager().removeSessionListener(mSessionListener);
1627        mCameraAppUI.onDestroy();
1628        mModeListView.setVisibilityChangedListener(null);
1629        mCameraController = null;
1630        mSettingsManager = null;
1631        mCameraAppUI = null;
1632        mOrientationManager = null;
1633        mButtonManager = null;
1634        CameraManagerFactory.recycle();
1635        super.onDestroy();
1636    }
1637
1638    @Override
1639    public void onConfigurationChanged(Configuration config) {
1640        super.onConfigurationChanged(config);
1641        Log.v(TAG, "onConfigurationChanged");
1642        if (config.orientation == Configuration.ORIENTATION_UNDEFINED) {
1643            return;
1644        }
1645
1646        if (mLastLayoutOrientation != config.orientation) {
1647            mLastLayoutOrientation = config.orientation;
1648            mCurrentModule.onLayoutOrientationChanged(
1649                    mLastLayoutOrientation == Configuration.ORIENTATION_LANDSCAPE);
1650        }
1651    }
1652
1653    @Override
1654    public boolean onKeyDown(int keyCode, KeyEvent event) {
1655        if (!mFilmstripVisible) {
1656            if (mCurrentModule.onKeyDown(keyCode, event)) {
1657                return true;
1658            }
1659            // Prevent software keyboard or voice search from showing up.
1660            if (keyCode == KeyEvent.KEYCODE_SEARCH
1661                    || keyCode == KeyEvent.KEYCODE_MENU) {
1662                if (event.isLongPress()) {
1663                    return true;
1664                }
1665            }
1666        }
1667
1668        return super.onKeyDown(keyCode, event);
1669    }
1670
1671    @Override
1672    public boolean onKeyUp(int keyCode, KeyEvent event) {
1673        if (!mFilmstripVisible) {
1674            // If a module is in the middle of capture, it should
1675            // consume the key event.
1676            if (mCurrentModule.onKeyUp(keyCode, event)) {
1677                return true;
1678            } else if (keyCode == KeyEvent.KEYCODE_MENU
1679                    || keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1680                // Let the mode list view consume the event.
1681                mModeListView.onMenuPressed();
1682                return true;
1683            } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1684                mCameraAppUI.showFilmstrip();
1685                return true;
1686            }
1687        } else {
1688            if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
1689                mFilmstripController.goToNextItem();
1690                return true;
1691            } else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
1692                boolean wentToPrevious = mFilmstripController.goToPreviousItem();
1693                if (!wentToPrevious) {
1694                  // at beginning of filmstrip, hide and go back to preview
1695                  mCameraAppUI.hideFilmstrip();
1696                }
1697                return true;
1698            }
1699        }
1700        return super.onKeyUp(keyCode, event);
1701    }
1702
1703    @Override
1704    public void onBackPressed() {
1705        if (!mCameraAppUI.onBackPressed()) {
1706            if (!mCurrentModule.onBackPressed()) {
1707                super.onBackPressed();
1708            }
1709        }
1710    }
1711
1712    @Override
1713    public boolean isAutoRotateScreen() {
1714        // TODO: Move to OrientationManager.
1715        return mAutoRotateScreen;
1716    }
1717
1718    @Override
1719    public boolean onCreateOptionsMenu(Menu menu) {
1720        MenuInflater inflater = getMenuInflater();
1721        inflater.inflate(R.menu.filmstrip_menu, menu);
1722        mActionBarMenu = menu;
1723        return super.onCreateOptionsMenu(menu);
1724    }
1725
1726    protected long getStorageSpaceBytes() {
1727        synchronized (mStorageSpaceLock) {
1728            return mStorageSpaceBytes;
1729        }
1730    }
1731
1732    protected void updateStorageSpaceAndHint() {
1733        /*
1734         * We execute disk operations on a background thread in order to
1735         * free up the UI thread.  Synchronizing on the lock below ensures
1736         * that when getStorageSpaceBytes is called, the main thread waits
1737         * until this method has completed.
1738         */
1739        (new AsyncTask<Void, Void, Void>() {
1740            @Override
1741            protected Void doInBackground(Void ... arg) {
1742                synchronized (mStorageSpaceLock) {
1743                    mStorageSpaceBytes = Storage.getAvailableSpace();
1744                }
1745                return null;
1746            }
1747
1748            @Override
1749            protected void onPostExecute(Void ignore) {
1750                updateStorageHint(getStorageSpaceBytes());
1751            }
1752        }).execute();
1753    }
1754
1755    protected void updateStorageHint(long storageSpace) {
1756        String message = null;
1757        if (storageSpace == Storage.UNAVAILABLE) {
1758            message = getString(R.string.no_storage);
1759        } else if (storageSpace == Storage.PREPARING) {
1760            message = getString(R.string.preparing_sd);
1761        } else if (storageSpace == Storage.UNKNOWN_SIZE) {
1762            message = getString(R.string.access_sd_fail);
1763        } else if (storageSpace <= Storage.LOW_STORAGE_THRESHOLD_BYTES) {
1764            message = getString(R.string.spaceIsLow_content);
1765        }
1766
1767        if (message != null) {
1768            if (mStorageHint == null) {
1769                mStorageHint = OnScreenHint.makeText(mAppContext, message);
1770            } else {
1771                mStorageHint.setText(message);
1772            }
1773            mStorageHint.show();
1774        } else if (mStorageHint != null) {
1775            mStorageHint.cancel();
1776            mStorageHint = null;
1777        }
1778    }
1779
1780    protected void setResultEx(int resultCode) {
1781        mResultCodeForTesting = resultCode;
1782        setResult(resultCode);
1783    }
1784
1785    protected void setResultEx(int resultCode, Intent data) {
1786        mResultCodeForTesting = resultCode;
1787        mResultDataForTesting = data;
1788        setResult(resultCode, data);
1789    }
1790
1791    public int getResultCode() {
1792        return mResultCodeForTesting;
1793    }
1794
1795    public Intent getResultData() {
1796        return mResultDataForTesting;
1797    }
1798
1799    public boolean isSecureCamera() {
1800        return mSecureCamera;
1801    }
1802
1803    @Override
1804    public boolean isPaused() {
1805        return mPaused;
1806    }
1807
1808    @Override
1809    public int getPreferredChildModeIndex(int modeIndex) {
1810        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)) {
1811            boolean hdrPlusOn = mSettingsManager.isHdrPlusOn();
1812            if (hdrPlusOn && GcamHelper.hasGcamCapture()) {
1813                modeIndex = getResources().getInteger(R.integer.camera_mode_gcam);
1814            }
1815        }
1816        return modeIndex;
1817    }
1818
1819    @Override
1820    public void onModeSelected(int modeIndex) {
1821        if (mCurrentModeIndex == modeIndex) {
1822            return;
1823        }
1824
1825        CameraPerformanceTracker.onEvent(CameraPerformanceTracker.MODE_SWITCH_START);
1826        // Record last used camera mode for quick switching
1827        if (modeIndex == getResources().getInteger(R.integer.camera_mode_photo)
1828                || modeIndex == getResources().getInteger(R.integer.camera_mode_gcam)) {
1829            mSettingsManager.setInt(SettingsManager.SETTING_KEY_CAMERA_MODULE_LAST_USED_INDEX,
1830                    modeIndex);
1831        }
1832
1833        closeModule(mCurrentModule);
1834
1835        // Select the correct module index from the mode switcher index.
1836        modeIndex = getPreferredChildModeIndex(modeIndex);
1837        setModuleFromModeIndex(modeIndex);
1838
1839        mCameraAppUI.resetBottomControls(mCurrentModule, modeIndex);
1840        mCameraAppUI.addShutterListener(mCurrentModule);
1841        openModule(mCurrentModule);
1842        mCurrentModule.onOrientationChanged(mLastRawOrientation);
1843        // Store the module index so we can use it the next time the Camera
1844        // starts up.
1845        mSettingsManager.setInt(SettingsManager.SETTING_STARTUP_MODULE_INDEX, modeIndex);
1846    }
1847
1848    /**
1849     * Shows the settings dialog.
1850     */
1851    @Override
1852    public void onSettingsSelected() {
1853        Intent intent = new Intent(this, CameraSettingsActivity.class);
1854        startActivity(intent);
1855    }
1856
1857    /**
1858     * Sets the mCurrentModuleIndex, creates a new module instance for the given
1859     * index an sets it as mCurrentModule.
1860     */
1861    private void setModuleFromModeIndex(int modeIndex) {
1862        ModuleManagerImpl.ModuleAgent agent = mModuleManager.getModuleAgent(modeIndex);
1863        if (agent == null) {
1864            return;
1865        }
1866        if (!agent.requestAppForCamera()) {
1867            mCameraController.closeCamera();
1868        }
1869        mCurrentModeIndex = agent.getModuleId();
1870        mCurrentModule = (CameraModule) agent.createModule(this);
1871    }
1872
1873    @Override
1874    public SettingsManager getSettingsManager() {
1875        return mSettingsManager;
1876    }
1877
1878    @Override
1879    public CameraServices getServices() {
1880        return (CameraServices) getApplication();
1881    }
1882
1883    public List<String> getSupportedModeNames() {
1884        List<Integer> indices = mModuleManager.getSupportedModeIndexList();
1885        List<String> supported = new ArrayList<String>();
1886
1887        for (Integer modeIndex : indices) {
1888            String name = CameraUtil.getCameraModeText(modeIndex, mAppContext);
1889            if (name != null && !name.equals("")) {
1890                supported.add(name);
1891            }
1892        }
1893        return supported;
1894    }
1895
1896    @Override
1897    public ButtonManager getButtonManager() {
1898        if (mButtonManager == null) {
1899            mButtonManager = new ButtonManager(this);
1900        }
1901        return mButtonManager;
1902    }
1903
1904    /**
1905     * Creates an AlertDialog appropriate for choosing whether to enable
1906     * location on the first run of the app.
1907     */
1908    public AlertDialog getFirstTimeLocationAlert() {
1909        AlertDialog.Builder builder = new AlertDialog.Builder(this);
1910        builder = SettingsUtil.getFirstTimeLocationAlertBuilder(builder, new Callback<Boolean>() {
1911            @Override
1912            public void onCallback(Boolean locationOn) {
1913                mSettingsManager.setLocation(locationOn, mLocationManager);
1914            }
1915        });
1916        if (builder != null) {
1917            return builder.create();
1918        } else {
1919            return null;
1920        }
1921    }
1922
1923    /**
1924     * Launches an ACTION_EDIT intent for the given local data item. If
1925     * 'withTinyPlanet' is set, this will show a disambig dialog first to let
1926     * the user start either the tiny planet editor or another photo edior.
1927     *
1928     * @param data The data item to edit.
1929     */
1930    public void launchEditor(LocalData data) {
1931        Intent intent = new Intent(Intent.ACTION_EDIT)
1932                .setDataAndType(data.getUri(), data.getMimeType())
1933                .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
1934        try {
1935            launchActivityByIntent(intent);
1936        } catch (ActivityNotFoundException e) {
1937            launchActivityByIntent(Intent.createChooser(intent, null));
1938        }
1939    }
1940
1941    @Override
1942    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
1943        super.onCreateContextMenu(menu, v, menuInfo);
1944
1945        MenuInflater inflater = getMenuInflater();
1946        inflater.inflate(R.menu.filmstrip_context_menu, menu);
1947    }
1948
1949    @Override
1950    public boolean onContextItemSelected(MenuItem item) {
1951        switch (item.getItemId()) {
1952            case R.id.tiny_planet_editor:
1953                mMyFilmstripBottomControlListener.onTinyPlanet();
1954                return true;
1955            case R.id.photo_editor:
1956                mMyFilmstripBottomControlListener.onEdit();
1957                return true;
1958        }
1959        return false;
1960    }
1961
1962    /**
1963     * Launch the tiny planet editor.
1964     *
1965     * @param data The data must be a 360 degree stereographically mapped
1966     *            panoramic image. It will not be modified, instead a new item
1967     *            with the result will be added to the filmstrip.
1968     */
1969    public void launchTinyPlanetEditor(LocalData data) {
1970        TinyPlanetFragment fragment = new TinyPlanetFragment();
1971        Bundle bundle = new Bundle();
1972        bundle.putString(TinyPlanetFragment.ARGUMENT_URI, data.getUri().toString());
1973        bundle.putString(TinyPlanetFragment.ARGUMENT_TITLE, data.getTitle());
1974        fragment.setArguments(bundle);
1975        fragment.show(getFragmentManager(), "tiny_planet");
1976    }
1977
1978    private void openModule(CameraModule module) {
1979        module.init(this, isSecureCamera(), isCaptureIntent());
1980        module.hardResetSettings(mSettingsManager);
1981        module.resume();
1982        updatePreviewVisibility();
1983    }
1984
1985    private void closeModule(CameraModule module) {
1986        module.pause();
1987        mCameraAppUI.clearModuleUI();
1988    }
1989
1990    private void performDeletion() {
1991        if (!mPendingDeletion) {
1992            return;
1993        }
1994        hideUndoDeletionBar(false);
1995        mDataAdapter.executeDeletion();
1996    }
1997
1998    public void showUndoDeletionBar() {
1999        if (mPendingDeletion) {
2000            performDeletion();
2001        }
2002        Log.v(TAG, "showing undo bar");
2003        mPendingDeletion = true;
2004        if (mUndoDeletionBar == null) {
2005            ViewGroup v = (ViewGroup) getLayoutInflater().inflate(R.layout.undo_bar,
2006                    mAboveFilmstripControlLayout, true);
2007            mUndoDeletionBar = (ViewGroup) v.findViewById(R.id.camera_undo_deletion_bar);
2008            View button = mUndoDeletionBar.findViewById(R.id.camera_undo_deletion_button);
2009            button.setOnClickListener(new View.OnClickListener() {
2010                @Override
2011                public void onClick(View view) {
2012                    mDataAdapter.undoDataRemoval();
2013                    hideUndoDeletionBar(true);
2014                }
2015            });
2016            // Setting undo bar clickable to avoid touch events going through
2017            // the bar to the buttons (eg. edit button, etc) underneath the bar.
2018            mUndoDeletionBar.setClickable(true);
2019            // When there is user interaction going on with the undo button, we
2020            // do not want to hide the undo bar.
2021            button.setOnTouchListener(new View.OnTouchListener() {
2022                @Override
2023                public boolean onTouch(View v, MotionEvent event) {
2024                    if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
2025                        mIsUndoingDeletion = true;
2026                    } else if (event.getActionMasked() == MotionEvent.ACTION_UP) {
2027                        mIsUndoingDeletion = false;
2028                    }
2029                    return false;
2030                }
2031            });
2032        }
2033        mUndoDeletionBar.setAlpha(0f);
2034        mUndoDeletionBar.setVisibility(View.VISIBLE);
2035        mUndoDeletionBar.animate().setDuration(200).alpha(1f).setListener(null).start();
2036    }
2037
2038    private void hideUndoDeletionBar(boolean withAnimation) {
2039        Log.v(TAG, "Hiding undo deletion bar");
2040        mPendingDeletion = false;
2041        if (mUndoDeletionBar != null) {
2042            if (withAnimation) {
2043                mUndoDeletionBar.animate().setDuration(200).alpha(0f)
2044                        .setListener(new Animator.AnimatorListener() {
2045                            @Override
2046                            public void onAnimationStart(Animator animation) {
2047                                // Do nothing.
2048                            }
2049
2050                            @Override
2051                            public void onAnimationEnd(Animator animation) {
2052                                mUndoDeletionBar.setVisibility(View.GONE);
2053                            }
2054
2055                            @Override
2056                            public void onAnimationCancel(Animator animation) {
2057                                // Do nothing.
2058                            }
2059
2060                            @Override
2061                            public void onAnimationRepeat(Animator animation) {
2062                                // Do nothing.
2063                            }
2064                        }).start();
2065            } else {
2066                mUndoDeletionBar.setVisibility(View.GONE);
2067            }
2068        }
2069    }
2070
2071    @Override
2072    public void onOrientationChanged(int orientation) {
2073        // We keep the last known orientation. So if the user first orient
2074        // the camera then point the camera to floor or sky, we still have
2075        // the correct orientation.
2076        if (orientation == OrientationManager.ORIENTATION_UNKNOWN) {
2077            return;
2078        }
2079        mLastRawOrientation = orientation;
2080        if (mCurrentModule != null) {
2081            mCurrentModule.onOrientationChanged(orientation);
2082        }
2083    }
2084
2085    /**
2086     * Enable/disable swipe-to-filmstrip. Will always disable swipe if in
2087     * capture intent.
2088     *
2089     * @param enable {@code true} to enable swipe.
2090     */
2091    public void setSwipingEnabled(boolean enable) {
2092        // TODO: Bring back the functionality.
2093        if (isCaptureIntent()) {
2094            // lockPreview(true);
2095        } else {
2096            // lockPreview(!enable);
2097        }
2098    }
2099
2100    // Accessor methods for getting latency times used in performance testing
2101    public long getFirstPreviewTime() {
2102        if (mCurrentModule instanceof PhotoModule) {
2103            long coverHiddenTime = getCameraAppUI().getCoverHiddenTime();
2104            if (coverHiddenTime != -1) {
2105                return coverHiddenTime - mOnCreateTime;
2106            }
2107        }
2108        return -1;
2109    }
2110
2111    public long getAutoFocusTime() {
2112        return (mCurrentModule instanceof PhotoModule) ?
2113                ((PhotoModule) mCurrentModule).mAutoFocusTime : -1;
2114    }
2115
2116    public long getShutterLag() {
2117        return (mCurrentModule instanceof PhotoModule) ?
2118                ((PhotoModule) mCurrentModule).mShutterLag : -1;
2119    }
2120
2121    public long getShutterToPictureDisplayedTime() {
2122        return (mCurrentModule instanceof PhotoModule) ?
2123                ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1;
2124    }
2125
2126    public long getPictureDisplayedToJpegCallbackTime() {
2127        return (mCurrentModule instanceof PhotoModule) ?
2128                ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1;
2129    }
2130
2131    public long getJpegCallbackFinishTime() {
2132        return (mCurrentModule instanceof PhotoModule) ?
2133                ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1;
2134    }
2135
2136    public long getCaptureStartTime() {
2137        return (mCurrentModule instanceof PhotoModule) ?
2138                ((PhotoModule) mCurrentModule).mCaptureStartTime : -1;
2139    }
2140
2141    public boolean isRecording() {
2142        return (mCurrentModule instanceof VideoModule) ?
2143                ((VideoModule) mCurrentModule).isRecording() : false;
2144    }
2145
2146    public CameraManager.CameraOpenCallback getCameraOpenErrorCallback() {
2147        return mCameraController;
2148    }
2149
2150    // For debugging purposes only.
2151    public CameraModule getCurrentModule() {
2152        return mCurrentModule;
2153    }
2154
2155    @Override
2156    public void showTutorial(AbstractTutorialOverlay tutorial) {
2157        mCameraAppUI.showTutorial(tutorial, getLayoutInflater());
2158    }
2159
2160    /**
2161     * Reads the current location recording settings and passes it on to the
2162     * location manager.
2163     */
2164    public void syncLocationManagerSetting() {
2165        mSettingsManager.syncLocationManager(mLocationManager);
2166    }
2167
2168    private void keepScreenOnForAWhile() {
2169        if (mKeepScreenOn) {
2170            return;
2171        }
2172        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2173        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2174        mMainHandler.sendEmptyMessageDelayed(MSG_CLEAR_SCREEN_ON_FLAG, SCREEN_DELAY_MS);
2175    }
2176
2177    private void resetScreenOn() {
2178        mKeepScreenOn = false;
2179        mMainHandler.removeMessages(MSG_CLEAR_SCREEN_ON_FLAG);
2180        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
2181    }
2182
2183    /**
2184     * @return {@code true} if the Gallery is launched successfully.
2185     */
2186    private boolean startGallery() {
2187        if (mGalleryIntent == null) {
2188            return false;
2189        }
2190        try {
2191            UsageStatistics.instance().changeScreen(NavigationChange.Mode.GALLERY,
2192                    InteractionCause.BUTTON);
2193            Intent startGalleryIntent = new Intent(mGalleryIntent);
2194            int currentDataId = mFilmstripController.getCurrentId();
2195            LocalData currentLocalData = mDataAdapter.getLocalData(currentDataId);
2196            if (currentLocalData != null) {
2197                GalleryHelper.setContentUri(startGalleryIntent, currentLocalData.getUri());
2198            }
2199            launchActivityByIntent(startGalleryIntent);
2200        } catch (ActivityNotFoundException e) {
2201            Log.w(TAG, "Failed to launch gallery activity, closing");
2202        }
2203        return false;
2204    }
2205
2206    private void setNfcBeamPushUriFromData(LocalData data) {
2207        final Uri uri = data.getUri();
2208        if (uri != Uri.EMPTY) {
2209            mNfcPushUris[0] = uri;
2210        } else {
2211            mNfcPushUris[0] = null;
2212        }
2213    }
2214
2215    /**
2216     * Updates the visibility of the filmstrip bottom controls and action bar.
2217     */
2218    private void updateUiByData(final int dataId) {
2219        final LocalData currentData = mDataAdapter.getLocalData(dataId);
2220        if (currentData == null) {
2221            Log.w(TAG, "Current data ID not found.");
2222            hideSessionProgress();
2223            return;
2224        }
2225        updateActionBarMenu(currentData);
2226
2227        /* Bottom controls. */
2228        updateBottomControlsByData(currentData);
2229
2230        if (isSecureCamera()) {
2231            // We cannot show buttons in secure camera since go to other
2232            // activities might create a security hole.
2233            mCameraAppUI.getFilmstripBottomControls().hideControls();
2234            return;
2235        }
2236
2237
2238        setNfcBeamPushUriFromData(currentData);
2239
2240        if (!mDataAdapter.isMetadataUpdated(dataId)) {
2241            mDataAdapter.updateMetadata(dataId);
2242        }
2243    }
2244
2245    /**
2246     * Updates the bottom controls based on the data.
2247     */
2248    private void updateBottomControlsByData(final LocalData currentData) {
2249
2250        final CameraAppUI.BottomPanel filmstripBottomPanel =
2251                mCameraAppUI.getFilmstripBottomControls();
2252        filmstripBottomPanel.showControls();
2253        filmstripBottomPanel.setEditButtonVisibility(
2254                currentData.isDataActionSupported(LocalData.DATA_ACTION_EDIT));
2255        filmstripBottomPanel.setShareButtonVisibility(
2256                currentData.isDataActionSupported(LocalData.DATA_ACTION_SHARE));
2257        filmstripBottomPanel.setDeleteButtonVisibility(
2258                currentData.isDataActionSupported(LocalData.DATA_ACTION_DELETE));
2259
2260        /* Progress bar */
2261
2262        Uri contentUri = currentData.getUri();
2263        CaptureSessionManager sessionManager = getServices()
2264                .getCaptureSessionManager();
2265
2266        if (sessionManager.hasErrorMessage(contentUri)) {
2267            showProcessError(sessionManager.getErrorMesage(contentUri));
2268        } else {
2269            filmstripBottomPanel.hideProgressError();
2270            CaptureSession session = sessionManager.getSession(contentUri);
2271
2272            if (session != null) {
2273                int sessionProgress = session.getProgress();
2274
2275                if (sessionProgress < 0) {
2276                    hideSessionProgress();
2277                } else {
2278                    CharSequence progressMessage = session.getProgressMessage();
2279                    showSessionProgress(progressMessage);
2280                    updateSessionProgress(sessionProgress);
2281                }
2282            } else {
2283                hideSessionProgress();
2284            }
2285        }
2286
2287        /* View button */
2288
2289        // We need to add this to a separate DB.
2290        final int viewButtonVisibility;
2291        if (PanoramaMetadataLoader.isPanoramaAndUseViewer(currentData)) {
2292            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_PHOTO_SPHERE;
2293        } else if (RgbzMetadataLoader.hasRGBZData(currentData)) {
2294            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_REFOCUS;
2295        } else {
2296            viewButtonVisibility = CameraAppUI.BottomPanel.VIEWER_NONE;
2297        }
2298
2299        filmstripBottomPanel.setTinyPlanetEnabled(
2300                PanoramaMetadataLoader.isPanorama360(currentData));
2301        filmstripBottomPanel.setViewerButtonVisibility(viewButtonVisibility);
2302    }
2303
2304    private class PeekAnimationHandler extends Handler {
2305        private class DataAndCallback {
2306            LocalData mData;
2307            com.android.camera.util.Callback<Bitmap> mCallback;
2308
2309            public DataAndCallback(LocalData data, com.android.camera.util.Callback<Bitmap>
2310                    callback) {
2311                mData = data;
2312                mCallback = callback;
2313            }
2314        }
2315
2316        public PeekAnimationHandler(Looper looper) {
2317            super(looper);
2318        }
2319
2320        /**
2321         * Starts the animation decoding job and posts a {@code Runnable} back
2322         * when when the decoding is done.
2323         *
2324         * @param data The data item to decode the thumbnail for.
2325         * @param callback {@link com.android.camera.util.Callback} after the
2326         *                 decoding is done.
2327         */
2328        public void startDecodingJob(final LocalData data,
2329                final com.android.camera.util.Callback<Bitmap> callback) {
2330            PeekAnimationHandler.this.obtainMessage(0 /** dummy integer **/,
2331                    new DataAndCallback(data, callback)).sendToTarget();
2332        }
2333
2334        @Override
2335        public void handleMessage(Message msg) {
2336            final LocalData data = ((DataAndCallback) msg.obj).mData;
2337            final com.android.camera.util.Callback<Bitmap> callback =
2338                    ((DataAndCallback) msg.obj).mCallback;
2339            if (data == null || callback == null) {
2340                return;
2341            }
2342
2343            final Bitmap bitmap;
2344            switch (data.getLocalDataType()) {
2345                case LocalData.LOCAL_IN_PROGRESS_DATA:
2346                    byte[] jpegData = Storage.getJpegForSession(data.getUri());
2347                    if (jpegData != null) {
2348                        bitmap = BitmapFactory.decodeByteArray(jpegData, 0, jpegData.length);
2349                    } else {
2350                        bitmap = null;
2351                    }
2352                    break;
2353
2354                case LocalData.LOCAL_IMAGE:
2355                    FileInputStream stream;
2356                    try {
2357                        stream = new FileInputStream(data.getPath());
2358                    } catch (FileNotFoundException e) {
2359                        Log.e(TAG, "File not found:" + data.getPath());
2360                        return;
2361                    }
2362                    Point dim = CameraUtil.resizeToFill(data.getWidth(), data.getHeight(),
2363                            data.getRotation(), mAboveFilmstripControlLayout.getWidth(),
2364                            mAboveFilmstripControlLayout.getMeasuredHeight());
2365                    if (data.getRotation() % 180 != 0) {
2366                        int dummy = dim.x;
2367                        dim.x = dim.y;
2368                        dim.y = dummy;
2369                    }
2370                    bitmap = LocalDataUtil
2371                            .loadImageThumbnailFromStream(stream, data.getWidth(), data.getHeight(),
2372                                    (int) (dim.x * 0.7f), (int) (dim.y * 0.7),
2373                                    data.getRotation(), MAX_PEEK_BITMAP_PIXELS);
2374                    break;
2375
2376                case LocalData.LOCAL_VIDEO:
2377                    bitmap = LocalDataUtil.loadVideoThumbnail(data.getPath());
2378                    break;
2379
2380                default:
2381                    bitmap = null;
2382                    break;
2383            }
2384
2385            if (bitmap == null) {
2386                return;
2387            }
2388
2389            mMainHandler.post(new Runnable() {
2390                @Override
2391                public void run() {
2392                    callback.onCallback(bitmap);
2393                }
2394            });
2395        }
2396    }
2397
2398    private void showDetailsDialog(int dataId) {
2399        final LocalData data = mDataAdapter.getLocalData(dataId);
2400        if (data == null) {
2401            return;
2402        }
2403        MediaDetails details = data.getMediaDetails(getAndroidContext());
2404        if (details == null) {
2405            return;
2406        }
2407        Dialog detailDialog = DetailsDialog.create(CameraActivity.this, details);
2408        detailDialog.show();
2409
2410        UsageStatistics.instance().photoInteraction(
2411                UsageStatistics.hashFileName(fileNameFromDataID(dataId)),
2412                eventprotos.CameraEvent.InteractionType.DETAILS,
2413                InteractionCause.BUTTON);
2414    }
2415
2416    /**
2417     * Show or hide action bar items depending on current data type.
2418     */
2419    private void updateActionBarMenu(LocalData data) {
2420        if (mActionBarMenu == null) {
2421            return;
2422        }
2423
2424        MenuItem detailsMenuItem = mActionBarMenu.findItem(R.id.action_details);
2425        if (detailsMenuItem == null) {
2426            return;
2427        }
2428
2429        int type = data.getLocalDataType();
2430        boolean showDetails = (type == LocalData.LOCAL_IMAGE) || (type == LocalData.LOCAL_VIDEO);
2431        detailsMenuItem.setVisible(showDetails);
2432    }
2433}
2434