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.content.ActivityNotFoundException;
24import android.content.BroadcastReceiver;
25import android.content.ComponentName;
26import android.content.ContentResolver;
27import android.content.Context;
28import android.content.Intent;
29import android.content.IntentFilter;
30import android.content.ServiceConnection;
31import android.content.SharedPreferences;
32import android.content.pm.ActivityInfo;
33import android.content.res.Configuration;
34import android.graphics.drawable.ColorDrawable;
35import android.net.Uri;
36import android.nfc.NfcAdapter;
37import android.nfc.NfcAdapter.CreateBeamUrisCallback;
38import android.nfc.NfcEvent;
39import android.os.AsyncTask;
40import android.os.Build;
41import android.os.Bundle;
42import android.os.Handler;
43import android.os.IBinder;
44import android.os.Looper;
45import android.os.Message;
46import android.preference.PreferenceManager;
47import android.provider.MediaStore;
48import android.provider.Settings;
49import android.util.Log;
50import android.view.KeyEvent;
51import android.view.LayoutInflater;
52import android.view.Menu;
53import android.view.MenuInflater;
54import android.view.MenuItem;
55import android.view.MotionEvent;
56import android.view.OrientationEventListener;
57import android.view.View;
58import android.view.ViewGroup;
59import android.view.Window;
60import android.view.WindowManager;
61import android.widget.FrameLayout;
62import android.widget.ImageView;
63import android.widget.ProgressBar;
64import android.widget.ShareActionProvider;
65
66import com.android.camera.app.AppManagerFactory;
67import com.android.camera.app.PlaceholderManager;
68import com.android.camera.app.PanoramaStitchingManager;
69import com.android.camera.crop.CropActivity;
70import com.android.camera.data.CameraDataAdapter;
71import com.android.camera.data.CameraPreviewData;
72import com.android.camera.data.FixedFirstDataAdapter;
73import com.android.camera.data.FixedLastDataAdapter;
74import com.android.camera.data.InProgressDataWrapper;
75import com.android.camera.data.LocalData;
76import com.android.camera.data.LocalDataAdapter;
77import com.android.camera.data.LocalMediaObserver;
78import com.android.camera.data.MediaDetails;
79import com.android.camera.data.SimpleViewData;
80import com.android.camera.tinyplanet.TinyPlanetFragment;
81import com.android.camera.ui.ModuleSwitcher;
82import com.android.camera.ui.DetailsDialog;
83import com.android.camera.ui.FilmStripView;
84import com.android.camera.util.ApiHelper;
85import com.android.camera.util.CameraUtil;
86import com.android.camera.util.GcamHelper;
87import com.android.camera.util.IntentHelper;
88import com.android.camera.util.PhotoSphereHelper;
89import com.android.camera.util.PhotoSphereHelper.PanoramaViewHelper;
90import com.android.camera.util.UsageStatistics;
91import com.android.camera2.R;
92
93import java.io.File;
94
95import static com.android.camera.CameraManager.CameraOpenErrorCallback;
96
97public class CameraActivity extends Activity
98        implements ModuleSwitcher.ModuleSwitchListener,
99        ActionBar.OnMenuVisibilityListener,
100        ShareActionProvider.OnShareTargetSelectedListener {
101
102    private static final String TAG = "CAM_Activity";
103
104    private static final String INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE =
105            "android.media.action.STILL_IMAGE_CAMERA_SECURE";
106    public static final String ACTION_IMAGE_CAPTURE_SECURE =
107            "android.media.action.IMAGE_CAPTURE_SECURE";
108    public static final String ACTION_TRIM_VIDEO =
109            "com.android.camera.action.TRIM";
110    public static final String MEDIA_ITEM_PATH = "media-item-path";
111
112    // The intent extra for camera from secure lock screen. True if the gallery
113    // should only show newly captured pictures. sSecureAlbumId does not
114    // increment. This is used when switching between camera, camcorder, and
115    // panorama. If the extra is not set, it is in the normal camera mode.
116    public static final String SECURE_CAMERA_EXTRA = "secure_camera";
117
118    /**
119     * Request code from an activity we started that indicated that we do not
120     * want to reset the view to the preview in onResume.
121     */
122    public static final int REQ_CODE_DONT_SWITCH_TO_PREVIEW = 142;
123
124    public static final int REQ_CODE_GCAM_DEBUG_POSTCAPTURE = 999;
125
126    private static final int HIDE_ACTION_BAR = 1;
127    private static final long SHOW_ACTION_BAR_TIMEOUT_MS = 3000;
128
129    /** Whether onResume should reset the view to the preview. */
130    private boolean mResetToPreviewOnResume = true;
131
132    // Supported operations at FilmStripView. Different data has different
133    // set of supported operations.
134    private static final int SUPPORT_DELETE = 1 << 0;
135    private static final int SUPPORT_ROTATE = 1 << 1;
136    private static final int SUPPORT_INFO = 1 << 2;
137    private static final int SUPPORT_CROP = 1 << 3;
138    private static final int SUPPORT_SETAS = 1 << 4;
139    private static final int SUPPORT_EDIT = 1 << 5;
140    private static final int SUPPORT_TRIM = 1 << 6;
141    private static final int SUPPORT_SHARE = 1 << 7;
142    private static final int SUPPORT_SHARE_PANORAMA360 = 1 << 8;
143    private static final int SUPPORT_SHOW_ON_MAP = 1 << 9;
144    private static final int SUPPORT_ALL = 0xffffffff;
145
146    /** This data adapter is used by FilmStripView. */
147    private LocalDataAdapter mDataAdapter;
148    /** This data adapter represents the real local camera data. */
149    private LocalDataAdapter mWrappedDataAdapter;
150
151    private PanoramaStitchingManager mPanoramaManager;
152    private PlaceholderManager mPlaceholderManager;
153    private int mCurrentModuleIndex;
154    private CameraModule mCurrentModule;
155    private FrameLayout mAboveFilmstripControlLayout;
156    private View mCameraModuleRootView;
157    private FilmStripView mFilmStripView;
158    private ProgressBar mBottomProgress;
159    private View mPanoStitchingPanel;
160    private int mResultCodeForTesting;
161    private Intent mResultDataForTesting;
162    private OnScreenHint mStorageHint;
163    private long mStorageSpaceBytes = Storage.LOW_STORAGE_THRESHOLD_BYTES;
164    private boolean mAutoRotateScreen;
165    private boolean mSecureCamera;
166    // This is a hack to speed up the start of SecureCamera.
167    private static boolean sFirstStartAfterScreenOn = true;
168    private int mLastRawOrientation;
169    private MyOrientationEventListener mOrientationListener;
170    private Handler mMainHandler;
171    private PanoramaViewHelper mPanoramaViewHelper;
172    private CameraPreviewData mCameraPreviewData;
173    private ActionBar mActionBar;
174    private OnActionBarVisibilityListener mOnActionBarVisibilityListener = null;
175    private Menu mActionBarMenu;
176    private ViewGroup mUndoDeletionBar;
177    private boolean mIsUndoingDeletion = false;
178
179    private Uri[] mNfcPushUris = new Uri[1];
180
181    private ShareActionProvider mStandardShareActionProvider;
182    private Intent mStandardShareIntent;
183    private ShareActionProvider mPanoramaShareActionProvider;
184    private Intent mPanoramaShareIntent;
185    private LocalMediaObserver mLocalImagesObserver;
186    private LocalMediaObserver mLocalVideosObserver;
187
188    private final int DEFAULT_SYSTEM_UI_VISIBILITY = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
189            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
190    private boolean mPendingDeletion = false;
191
192    private Intent mVideoShareIntent;
193    private Intent mImageShareIntent;
194
195    private class MyOrientationEventListener
196            extends OrientationEventListener {
197        public MyOrientationEventListener(Context context) {
198            super(context);
199        }
200
201        @Override
202        public void onOrientationChanged(int orientation) {
203            // We keep the last known orientation. So if the user first orient
204            // the camera then point the camera to floor or sky, we still have
205            // the correct orientation.
206            if (orientation == ORIENTATION_UNKNOWN) {
207                return;
208            }
209            mLastRawOrientation = orientation;
210            mCurrentModule.onOrientationChanged(orientation);
211        }
212    }
213
214    private MediaSaveService mMediaSaveService;
215    private ServiceConnection mConnection = new ServiceConnection() {
216        @Override
217        public void onServiceConnected(ComponentName className, IBinder b) {
218            mMediaSaveService = ((MediaSaveService.LocalBinder) b).getService();
219            mCurrentModule.onMediaSaveServiceConnected(mMediaSaveService);
220        }
221
222        @Override
223        public void onServiceDisconnected(ComponentName className) {
224            if (mMediaSaveService != null) {
225                mMediaSaveService.setListener(null);
226                mMediaSaveService = null;
227            }
228        }
229    };
230
231    private CameraOpenErrorCallback mCameraOpenErrorCallback =
232            new CameraOpenErrorCallback() {
233                @Override
234                public void onCameraDisabled(int cameraId) {
235                    UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
236                            UsageStatistics.ACTION_OPEN_FAIL, "security");
237
238                    CameraUtil.showErrorAndFinish(CameraActivity.this,
239                            R.string.camera_disabled);
240                }
241
242                @Override
243                public void onDeviceOpenFailure(int cameraId) {
244                    UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
245                            UsageStatistics.ACTION_OPEN_FAIL, "open");
246
247                    CameraUtil.showErrorAndFinish(CameraActivity.this,
248                            R.string.cannot_connect_camera);
249                }
250
251                @Override
252                public void onReconnectionFailure(CameraManager mgr) {
253                    UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
254                            UsageStatistics.ACTION_OPEN_FAIL, "reconnect");
255
256                    CameraUtil.showErrorAndFinish(CameraActivity.this,
257                            R.string.cannot_connect_camera);
258                }
259            };
260
261    // close activity when screen turns off
262    private BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() {
263        @Override
264        public void onReceive(Context context, Intent intent) {
265            finish();
266        }
267    };
268
269    private static BroadcastReceiver sScreenOffReceiver;
270
271    private static class ScreenOffReceiver extends BroadcastReceiver {
272        @Override
273        public void onReceive(Context context, Intent intent) {
274            sFirstStartAfterScreenOn = true;
275        }
276    }
277
278    private class MainHandler extends Handler {
279        public MainHandler(Looper looper) {
280            super(looper);
281        }
282
283        @Override
284        public void handleMessage(Message msg) {
285            if (msg.what == HIDE_ACTION_BAR) {
286                removeMessages(HIDE_ACTION_BAR);
287                CameraActivity.this.setSystemBarsVisibility(false);
288            }
289        }
290    }
291
292    public interface OnActionBarVisibilityListener {
293        public void onActionBarVisibilityChanged(boolean isVisible);
294    }
295
296    public void setOnActionBarVisibilityListener(OnActionBarVisibilityListener listener) {
297        mOnActionBarVisibilityListener = listener;
298    }
299
300    public static boolean isFirstStartAfterScreenOn() {
301        return sFirstStartAfterScreenOn;
302    }
303
304    public static void resetFirstStartAfterScreenOn() {
305        sFirstStartAfterScreenOn = false;
306    }
307
308    private String fileNameFromDataID(int dataID) {
309        final LocalData localData = mDataAdapter.getLocalData(dataID);
310
311        File localFile = new File(localData.getPath());
312        return localFile.getName();
313    }
314
315    private FilmStripView.Listener mFilmStripListener =
316            new FilmStripView.Listener() {
317                @Override
318                public void onDataPromoted(int dataID) {
319                    UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
320                            UsageStatistics.ACTION_DELETE, "promoted", 0,
321                            UsageStatistics.hashFileName(fileNameFromDataID(dataID)));
322
323                    removeData(dataID);
324                }
325
326                @Override
327                public void onDataDemoted(int dataID) {
328                    UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
329                            UsageStatistics.ACTION_DELETE, "demoted", 0,
330                            UsageStatistics.hashFileName(fileNameFromDataID(dataID)));
331
332                    removeData(dataID);
333                }
334
335                @Override
336                public void onDataFullScreenChange(int dataID, boolean full) {
337                    boolean isCameraID = isCameraPreview(dataID);
338                    if (!isCameraID) {
339                        if (!full) {
340                            // Always show action bar in filmstrip mode
341                            CameraActivity.this.setSystemBarsVisibility(true, false);
342                        } else if (mActionBar.isShowing()) {
343                            // Hide action bar after time out in full screen mode
344                            mMainHandler.sendEmptyMessageDelayed(HIDE_ACTION_BAR,
345                                    SHOW_ACTION_BAR_TIMEOUT_MS);
346                        }
347                    }
348                }
349
350                /**
351                 * Check if the local data corresponding to dataID is the camera
352                 * preview.
353                 *
354                 * @param dataID the ID of the local data
355                 * @return true if the local data is not null and it is the
356                 *         camera preview.
357                 */
358                private boolean isCameraPreview(int dataID) {
359                    LocalData localData = mDataAdapter.getLocalData(dataID);
360                    if (localData == null) {
361                        Log.w(TAG, "Current data ID not found.");
362                        return false;
363                    }
364                    return localData.getLocalDataType() == LocalData.LOCAL_CAMERA_PREVIEW;
365                }
366
367                @Override
368                public void onReload() {
369                    setPreviewControlsVisibility(true);
370                    CameraActivity.this.setSystemBarsVisibility(false);
371                }
372
373                @Override
374                public void onCurrentDataCentered(int dataID) {
375                    if (dataID != 0 && !mFilmStripView.isCameraPreview()) {
376                        // For now, We ignore all items that are not the camera preview.
377                        return;
378                    }
379
380                    if(!arePreviewControlsVisible()) {
381                        setPreviewControlsVisibility(true);
382                        CameraActivity.this.setSystemBarsVisibility(false);
383                    }
384                }
385
386                @Override
387                public void onCurrentDataOffCentered(int dataID) {
388                    if (dataID != 0 && !mFilmStripView.isCameraPreview()) {
389                        // For now, We ignore all items that are not the camera preview.
390                        return;
391                    }
392
393                    if (arePreviewControlsVisible()) {
394                        setPreviewControlsVisibility(false);
395                    }
396                }
397
398                @Override
399                public void onDataFocusChanged(final int dataID, final boolean focused) {
400                    // Delay hiding action bar if there is any user interaction
401                    if (mMainHandler.hasMessages(HIDE_ACTION_BAR)) {
402                        mMainHandler.removeMessages(HIDE_ACTION_BAR);
403                        mMainHandler.sendEmptyMessageDelayed(HIDE_ACTION_BAR,
404                                SHOW_ACTION_BAR_TIMEOUT_MS);
405                    }
406                    // TODO: This callback is UI event callback, should always
407                    // happen on UI thread. Find the reason for this
408                    // runOnUiThread() and fix it.
409                    runOnUiThread(new Runnable() {
410                        @Override
411                        public void run() {
412                            LocalData currentData = mDataAdapter.getLocalData(dataID);
413                            if (currentData == null) {
414                                Log.w(TAG, "Current data ID not found.");
415                                hidePanoStitchingProgress();
416                                return;
417                            }
418                            boolean isCameraID = currentData.getLocalDataType() ==
419                                    LocalData.LOCAL_CAMERA_PREVIEW;
420                            if (!focused) {
421                                if (isCameraID) {
422                                    mCurrentModule.onPreviewFocusChanged(false);
423                                    CameraActivity.this.setSystemBarsVisibility(true);
424                                }
425                                hidePanoStitchingProgress();
426                            } else {
427                                if (isCameraID) {
428                                    // Don't show the action bar in Camera
429                                    // preview.
430                                    CameraActivity.this.setSystemBarsVisibility(false);
431
432                                    if (mPendingDeletion) {
433                                        performDeletion();
434                                    }
435                                } else {
436                                    updateActionBarMenu(dataID);
437                                }
438
439                                Uri contentUri = currentData.getContentUri();
440                                if (contentUri == null) {
441                                    hidePanoStitchingProgress();
442                                    return;
443                                }
444                                int panoStitchingProgress = mPanoramaManager.getTaskProgress(
445                                        contentUri);
446                                if (panoStitchingProgress < 0) {
447                                    hidePanoStitchingProgress();
448                                    return;
449                                }
450                                showPanoStitchingProgress();
451                                updateStitchingProgress(panoStitchingProgress);
452                            }
453                        }
454                    });
455                }
456
457                @Override
458                public void onToggleSystemDecorsVisibility(int dataID) {
459                    // If action bar is showing, hide it immediately, otherwise
460                    // show action bar and hide it later
461                    if (mActionBar.isShowing()) {
462                        CameraActivity.this.setSystemBarsVisibility(false);
463                    } else {
464                        // Don't show the action bar if that is the camera preview.
465                        boolean isCameraID = isCameraPreview(dataID);
466                        if (!isCameraID) {
467                            CameraActivity.this.setSystemBarsVisibility(true, true);
468                        }
469                    }
470                }
471
472                @Override
473                public void setSystemDecorsVisibility(boolean visible) {
474                    CameraActivity.this.setSystemBarsVisibility(visible);
475                }
476            };
477
478    public void gotoGallery() {
479        UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA, UsageStatistics.ACTION_FILMSTRIP,
480                "thumbnailTap");
481
482        mFilmStripView.getController().goToNextItem();
483    }
484
485    /**
486     * If {@param visible} is false, this hides the action bar and switches the system UI
487     * to lights-out mode.
488     */
489    // TODO: This should not be called outside of the activity.
490    public void setSystemBarsVisibility(boolean visible) {
491        setSystemBarsVisibility(visible, false);
492    }
493
494    /**
495     * If {@param visible} is false, this hides the action bar and switches the
496     * system UI to lights-out mode. If {@param hideLater} is true, a delayed message
497     * will be sent after a timeout to hide the action bar.
498     */
499    private void setSystemBarsVisibility(boolean visible, boolean hideLater) {
500        mMainHandler.removeMessages(HIDE_ACTION_BAR);
501
502        int currentSystemUIVisibility = mAboveFilmstripControlLayout.getSystemUiVisibility();
503        int newSystemUIVisibility = DEFAULT_SYSTEM_UI_VISIBILITY |
504                (visible ? View.SYSTEM_UI_FLAG_VISIBLE :
505                        View.SYSTEM_UI_FLAG_LOW_PROFILE | View.SYSTEM_UI_FLAG_FULLSCREEN);
506        if (newSystemUIVisibility != currentSystemUIVisibility) {
507            mAboveFilmstripControlLayout.setSystemUiVisibility(newSystemUIVisibility);
508        }
509
510        boolean currentActionBarVisibility = mActionBar.isShowing();
511        if (visible != currentActionBarVisibility) {
512            if (visible) {
513                mActionBar.show();
514            } else {
515                mActionBar.hide();
516            }
517            if (mOnActionBarVisibilityListener != null) {
518                mOnActionBarVisibilityListener.onActionBarVisibilityChanged(visible);
519            }
520        }
521
522        // Now delay hiding the bars
523        if (visible && hideLater) {
524            mMainHandler.sendEmptyMessageDelayed(HIDE_ACTION_BAR, SHOW_ACTION_BAR_TIMEOUT_MS);
525        }
526    }
527
528    private void hidePanoStitchingProgress() {
529        mPanoStitchingPanel.setVisibility(View.GONE);
530    }
531
532    private void showPanoStitchingProgress() {
533        mPanoStitchingPanel.setVisibility(View.VISIBLE);
534    }
535
536    private void updateStitchingProgress(int progress) {
537        mBottomProgress.setProgress(progress);
538    }
539
540    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
541    private void setupNfcBeamPush() {
542        NfcAdapter adapter = NfcAdapter.getDefaultAdapter(CameraActivity.this);
543        if (adapter == null) {
544            return;
545        }
546
547        if (!ApiHelper.HAS_SET_BEAM_PUSH_URIS) {
548            // Disable beaming
549            adapter.setNdefPushMessage(null, CameraActivity.this);
550            return;
551        }
552
553        adapter.setBeamPushUris(null, CameraActivity.this);
554        adapter.setBeamPushUrisCallback(new CreateBeamUrisCallback() {
555            @Override
556            public Uri[] createBeamUris(NfcEvent event) {
557                return mNfcPushUris;
558            }
559        }, CameraActivity.this);
560    }
561
562    private void setNfcBeamPushUri(Uri uri) {
563        mNfcPushUris[0] = uri;
564    }
565
566    private void setStandardShareIntent(Uri contentUri, String mimeType) {
567        mStandardShareIntent = getShareIntentFromType(mimeType);
568        if (mStandardShareIntent != null) {
569            mStandardShareIntent.putExtra(Intent.EXTRA_STREAM, contentUri);
570            mStandardShareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
571            if (mStandardShareActionProvider != null) {
572                mStandardShareActionProvider.setShareIntent(mStandardShareIntent);
573            }
574        }
575    }
576
577    /**
578     * Get the share intent according to the mimeType
579     *
580     * @param mimeType The mimeType of current data.
581     * @return the video/image's ShareIntent or null if mimeType is invalid.
582     */
583    private Intent getShareIntentFromType(String mimeType) {
584        // Lazily create the intent object.
585        if (mimeType.startsWith("video/")) {
586            if (mVideoShareIntent == null) {
587                mVideoShareIntent = new Intent(Intent.ACTION_SEND);
588                mVideoShareIntent.setType("video/*");
589            }
590            return mVideoShareIntent;
591        } else if (mimeType.startsWith("image/")) {
592            if (mImageShareIntent == null) {
593                mImageShareIntent = new Intent(Intent.ACTION_SEND);
594                mImageShareIntent.setType("image/*");
595            }
596            return mImageShareIntent;
597        }
598        Log.w(TAG, "unsupported mimeType " + mimeType);
599        return null;
600    }
601
602    private void setPanoramaShareIntent(Uri contentUri) {
603        if (mPanoramaShareIntent == null) {
604            mPanoramaShareIntent = new Intent(Intent.ACTION_SEND);
605        }
606        mPanoramaShareIntent.setType("application/vnd.google.panorama360+jpg");
607        mPanoramaShareIntent.putExtra(Intent.EXTRA_STREAM, contentUri);
608        if (mPanoramaShareActionProvider != null) {
609            mPanoramaShareActionProvider.setShareIntent(mPanoramaShareIntent);
610        }
611    }
612
613    @Override
614    public void onMenuVisibilityChanged(boolean isVisible) {
615        // If menu is showing, we need to make sure action bar does not go away.
616        mMainHandler.removeMessages(HIDE_ACTION_BAR);
617        if (!isVisible) {
618            mMainHandler.sendEmptyMessageDelayed(HIDE_ACTION_BAR, SHOW_ACTION_BAR_TIMEOUT_MS);
619        }
620    }
621
622    @Override
623    public boolean onShareTargetSelected(ShareActionProvider shareActionProvider, Intent intent) {
624        int currentDataId = mFilmStripView.getCurrentId();
625        if (currentDataId < 0) {
626            return false;
627        }
628        UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA, UsageStatistics.ACTION_SHARE,
629                intent.getComponent().getPackageName(), 0,
630                UsageStatistics.hashFileName(fileNameFromDataID(currentDataId)));
631        return true;
632    }
633
634    /**
635     * According to the data type, make the menu items for supported operations
636     * visible.
637     *
638     * @param dataID the data ID of the current item.
639     */
640    private void updateActionBarMenu(int dataID) {
641        LocalData currentData = mDataAdapter.getLocalData(dataID);
642        if (currentData == null) {
643            return;
644        }
645        int type = currentData.getLocalDataType();
646
647        if (mActionBarMenu == null) {
648            return;
649        }
650
651        int supported = 0;
652
653        switch (type) {
654            case LocalData.LOCAL_IMAGE:
655                supported |= SUPPORT_DELETE | SUPPORT_ROTATE | SUPPORT_INFO
656                        | SUPPORT_CROP | SUPPORT_SETAS | SUPPORT_EDIT
657                        | SUPPORT_SHARE | SUPPORT_SHOW_ON_MAP;
658                break;
659            case LocalData.LOCAL_VIDEO:
660                supported |= SUPPORT_DELETE | SUPPORT_INFO | SUPPORT_SHARE;
661                break;
662            case LocalData.LOCAL_PHOTO_SPHERE:
663                supported |= SUPPORT_DELETE | SUPPORT_ROTATE | SUPPORT_INFO
664                        | SUPPORT_CROP | SUPPORT_SETAS | SUPPORT_EDIT
665                        | SUPPORT_SHARE | SUPPORT_SHOW_ON_MAP;
666                break;
667            case LocalData.LOCAL_360_PHOTO_SPHERE:
668                supported |= SUPPORT_DELETE | SUPPORT_ROTATE | SUPPORT_INFO
669                        | SUPPORT_CROP | SUPPORT_SETAS | SUPPORT_EDIT
670                        | SUPPORT_SHARE | SUPPORT_SHARE_PANORAMA360
671                        | SUPPORT_SHOW_ON_MAP;
672                break;
673            default:
674                break;
675        }
676
677        // In secure camera mode, we only support delete operation.
678        if (isSecureCamera()) {
679            supported &= SUPPORT_DELETE;
680        }
681
682        setMenuItemVisible(mActionBarMenu, R.id.action_delete,
683                (supported & SUPPORT_DELETE) != 0);
684        setMenuItemVisible(mActionBarMenu, R.id.action_rotate_ccw,
685                (supported & SUPPORT_ROTATE) != 0);
686        setMenuItemVisible(mActionBarMenu, R.id.action_rotate_cw,
687                (supported & SUPPORT_ROTATE) != 0);
688        setMenuItemVisible(mActionBarMenu, R.id.action_details,
689                (supported & SUPPORT_INFO) != 0);
690        setMenuItemVisible(mActionBarMenu, R.id.action_crop,
691                (supported & SUPPORT_CROP) != 0);
692        setMenuItemVisible(mActionBarMenu, R.id.action_setas,
693                (supported & SUPPORT_SETAS) != 0);
694        setMenuItemVisible(mActionBarMenu, R.id.action_edit,
695                (supported & SUPPORT_EDIT) != 0);
696        setMenuItemVisible(mActionBarMenu, R.id.action_trim,
697                (supported & SUPPORT_TRIM) != 0);
698
699        boolean standardShare = (supported & SUPPORT_SHARE) != 0;
700        boolean panoramaShare = (supported & SUPPORT_SHARE_PANORAMA360) != 0;
701        setMenuItemVisible(mActionBarMenu, R.id.action_share, standardShare);
702        setMenuItemVisible(mActionBarMenu, R.id.action_share_panorama, panoramaShare);
703
704        if (panoramaShare) {
705            // For 360 PhotoSphere, relegate standard share to the overflow menu
706            MenuItem item = mActionBarMenu.findItem(R.id.action_share);
707            if (item != null) {
708                item.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
709                item.setTitle(getResources().getString(R.string.share_as_photo));
710            }
711            // And, promote "share as panorama" to action bar
712            item = mActionBarMenu.findItem(R.id.action_share_panorama);
713            if (item != null) {
714                item.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
715            }
716            setPanoramaShareIntent(currentData.getContentUri());
717        }
718        if (standardShare) {
719            if (!panoramaShare) {
720                MenuItem item = mActionBarMenu.findItem(R.id.action_share);
721                if (item != null) {
722                    item.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
723                    item.setTitle(getResources().getString(R.string.share));
724                }
725            }
726            setStandardShareIntent(currentData.getContentUri(), currentData.getMimeType());
727            setNfcBeamPushUri(currentData.getContentUri());
728        }
729
730        boolean itemHasLocation = currentData.getLatLong() != null;
731        setMenuItemVisible(mActionBarMenu, R.id.action_show_on_map,
732                itemHasLocation && (supported & SUPPORT_SHOW_ON_MAP) != 0);
733    }
734
735    private void setMenuItemVisible(Menu menu, int itemId, boolean visible) {
736        MenuItem item = menu.findItem(itemId);
737        if (item != null)
738            item.setVisible(visible);
739    }
740
741    private ImageTaskManager.TaskListener mPlaceholderListener =
742            new ImageTaskManager.TaskListener() {
743
744                @Override
745                public void onTaskQueued(String filePath, final Uri imageUri) {
746                    mMainHandler.post(new Runnable() {
747                        @Override
748                        public void run() {
749                            notifyNewMedia(imageUri);
750                            int dataID = mDataAdapter.findDataByContentUri(imageUri);
751                            if (dataID != -1) {
752                                LocalData d = mDataAdapter.getLocalData(dataID);
753                                InProgressDataWrapper newData = new InProgressDataWrapper(d, true);
754                                mDataAdapter.updateData(dataID, newData);
755                            }
756                        }
757                    });
758                }
759
760                @Override
761                public void onTaskDone(String filePath, final Uri imageUri) {
762                    mMainHandler.post(new Runnable() {
763                        @Override
764                        public void run() {
765                            mDataAdapter.refresh(getContentResolver(), imageUri);
766                        }
767                    });
768                }
769
770                @Override
771                public void onTaskProgress(String filePath, Uri imageUri, int progress) {
772                    // Do nothing
773                }
774    };
775
776    private ImageTaskManager.TaskListener mStitchingListener =
777            new ImageTaskManager.TaskListener() {
778                @Override
779                public void onTaskQueued(String filePath, final Uri imageUri) {
780                    mMainHandler.post(new Runnable() {
781                        @Override
782                        public void run() {
783                            notifyNewMedia(imageUri);
784                            int dataID = mDataAdapter.findDataByContentUri(imageUri);
785                            if (dataID != -1) {
786                                // Don't allow special UI actions (swipe to
787                                // delete, for example) on in-progress data.
788                                LocalData d = mDataAdapter.getLocalData(dataID);
789                                InProgressDataWrapper newData = new InProgressDataWrapper(d);
790                                mDataAdapter.updateData(dataID, newData);
791                            }
792                        }
793                    });
794                }
795
796                @Override
797                public void onTaskDone(String filePath, final Uri imageUri) {
798                    Log.v(TAG, "onTaskDone:" + filePath);
799                    mMainHandler.post(new Runnable() {
800                        @Override
801                        public void run() {
802                            int doneID = mDataAdapter.findDataByContentUri(imageUri);
803                            int currentDataId = mFilmStripView.getCurrentId();
804
805                            if (currentDataId == doneID) {
806                                hidePanoStitchingProgress();
807                                updateStitchingProgress(0);
808                            }
809
810                            mDataAdapter.refresh(getContentResolver(), imageUri);
811                        }
812                    });
813                }
814
815                @Override
816                public void onTaskProgress(
817                        String filePath, final Uri imageUri, final int progress) {
818                    mMainHandler.post(new Runnable() {
819                        @Override
820                        public void run() {
821                            int currentDataId = mFilmStripView.getCurrentId();
822                            if (currentDataId == -1) {
823                                return;
824                            }
825                            if (imageUri.equals(
826                                    mDataAdapter.getLocalData(currentDataId).getContentUri())) {
827                                updateStitchingProgress(progress);
828                            }
829                        }
830                    });
831                }
832            };
833
834    public MediaSaveService getMediaSaveService() {
835        return mMediaSaveService;
836    }
837
838    public void notifyNewMedia(Uri uri) {
839        ContentResolver cr = getContentResolver();
840        String mimeType = cr.getType(uri);
841        if (mimeType.startsWith("video/")) {
842            sendBroadcast(new Intent(CameraUtil.ACTION_NEW_VIDEO, uri));
843            mDataAdapter.addNewVideo(cr, uri);
844        } else if (mimeType.startsWith("image/")) {
845            CameraUtil.broadcastNewPicture(this, uri);
846            mDataAdapter.addNewPhoto(cr, uri);
847        } else if (mimeType.startsWith("application/stitching-preview")) {
848            mDataAdapter.addNewPhoto(cr, uri);
849        } else if (mimeType.startsWith(PlaceholderManager.PLACEHOLDER_MIME_TYPE)) {
850            mDataAdapter.addNewPhoto(cr, uri);
851        } else {
852            android.util.Log.w(TAG, "Unknown new media with MIME type:"
853                    + mimeType + ", uri:" + uri);
854        }
855    }
856
857    private void removeData(int dataID) {
858        mDataAdapter.removeData(CameraActivity.this, dataID);
859        if (mDataAdapter.getTotalNumber() > 1) {
860            showUndoDeletionBar();
861        } else {
862            // If camera preview is the only view left in filmstrip,
863            // no need to show undo bar.
864            mPendingDeletion = true;
865            performDeletion();
866        }
867    }
868
869    private void bindMediaSaveService() {
870        Intent intent = new Intent(this, MediaSaveService.class);
871        bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
872    }
873
874    private void unbindMediaSaveService() {
875        if (mConnection != null) {
876            unbindService(mConnection);
877        }
878    }
879
880    @Override
881    public boolean onCreateOptionsMenu(Menu menu) {
882        // Inflate the menu items for use in the action bar
883        MenuInflater inflater = getMenuInflater();
884        inflater.inflate(R.menu.operations, menu);
885        mActionBarMenu = menu;
886
887        // Configure the standard share action provider
888        MenuItem item = menu.findItem(R.id.action_share);
889        mStandardShareActionProvider = (ShareActionProvider) item.getActionProvider();
890        mStandardShareActionProvider.setShareHistoryFileName("standard_share_history.xml");
891        if (mStandardShareIntent != null) {
892            mStandardShareActionProvider.setShareIntent(mStandardShareIntent);
893        }
894
895        // Configure the panorama share action provider
896        item = menu.findItem(R.id.action_share_panorama);
897        mPanoramaShareActionProvider = (ShareActionProvider) item.getActionProvider();
898        mPanoramaShareActionProvider.setShareHistoryFileName("panorama_share_history.xml");
899        if (mPanoramaShareIntent != null) {
900            mPanoramaShareActionProvider.setShareIntent(mPanoramaShareIntent);
901        }
902
903        mStandardShareActionProvider.setOnShareTargetSelectedListener(this);
904        mPanoramaShareActionProvider.setOnShareTargetSelectedListener(this);
905
906        return super.onCreateOptionsMenu(menu);
907    }
908
909    @Override
910    public boolean onOptionsItemSelected(MenuItem item) {
911        int currentDataId = mFilmStripView.getCurrentId();
912        if (currentDataId < 0) {
913            return false;
914        }
915        final LocalData localData = mDataAdapter.getLocalData(currentDataId);
916
917        // Handle presses on the action bar items
918        switch (item.getItemId()) {
919            case android.R.id.home:
920                // ActionBar's Up/Home button was clicked
921                try {
922                    startActivity(IntentHelper.getGalleryIntent(this));
923                    return true;
924                } catch (ActivityNotFoundException e) {
925                    Log.w(TAG, "Failed to launch gallery activity, closing");
926                    finish();
927                }
928            case R.id.action_delete:
929                UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
930                        UsageStatistics.ACTION_DELETE, null, 0,
931                        UsageStatistics.hashFileName(fileNameFromDataID(currentDataId)));
932                removeData(currentDataId);
933                return true;
934            case R.id.action_edit:
935                UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
936                        UsageStatistics.ACTION_EDIT, null, 0,
937                        UsageStatistics.hashFileName(fileNameFromDataID(currentDataId)));
938                launchEditor(localData);
939                return true;
940            case R.id.action_trim: {
941                // This is going to be handled by the Gallery app.
942                Intent intent = new Intent(ACTION_TRIM_VIDEO);
943                LocalData currentData = mDataAdapter.getLocalData(
944                        mFilmStripView.getCurrentId());
945                intent.setData(currentData.getContentUri());
946                // We need the file path to wrap this into a RandomAccessFile.
947                intent.putExtra(MEDIA_ITEM_PATH, currentData.getPath());
948                startActivityForResult(intent, REQ_CODE_DONT_SWITCH_TO_PREVIEW);
949                return true;
950            }
951            case R.id.action_rotate_ccw:
952                localData.rotate90Degrees(this, mDataAdapter, currentDataId, false);
953                return true;
954            case R.id.action_rotate_cw:
955                localData.rotate90Degrees(this, mDataAdapter, currentDataId, true);
956                return true;
957            case R.id.action_crop: {
958                UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
959                        UsageStatistics.ACTION_CROP, null, 0,
960                        UsageStatistics.hashFileName(fileNameFromDataID(currentDataId)));
961                Intent intent = new Intent(CropActivity.CROP_ACTION);
962                intent.setClass(this, CropActivity.class);
963                intent.setDataAndType(localData.getContentUri(), localData.getMimeType())
964                        .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
965                startActivityForResult(intent, REQ_CODE_DONT_SWITCH_TO_PREVIEW);
966                return true;
967            }
968            case R.id.action_setas: {
969                Intent intent = new Intent(Intent.ACTION_ATTACH_DATA)
970                        .setDataAndType(localData.getContentUri(),
971                                localData.getMimeType())
972                        .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
973                intent.putExtra("mimeType", intent.getType());
974                startActivityForResult(Intent.createChooser(
975                        intent, getString(R.string.set_as)), REQ_CODE_DONT_SWITCH_TO_PREVIEW);
976                return true;
977            }
978            case R.id.action_details:
979                (new AsyncTask<Void, Void, MediaDetails>() {
980                    @Override
981                    protected MediaDetails doInBackground(Void... params) {
982                        return localData.getMediaDetails(CameraActivity.this);
983                    }
984
985                    @Override
986                    protected void onPostExecute(MediaDetails mediaDetails) {
987                        if (mediaDetails != null) {
988                            DetailsDialog.create(CameraActivity.this, mediaDetails).show();
989                        }
990                    }
991                }).execute();
992                return true;
993            case R.id.action_show_on_map:
994                double[] latLong = localData.getLatLong();
995                if (latLong != null) {
996                    CameraUtil.showOnMap(this, latLong);
997                }
998                return true;
999            default:
1000                return super.onOptionsItemSelected(item);
1001        }
1002    }
1003
1004    private boolean isCaptureIntent() {
1005        if (MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())
1006                || MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())
1007                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1008            return true;
1009        } else {
1010            return false;
1011        }
1012    }
1013
1014    @Override
1015    public void onCreate(Bundle state) {
1016        super.onCreate(state);
1017        GcamHelper.init(getContentResolver());
1018
1019        getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
1020        setContentView(R.layout.camera_filmstrip);
1021        mActionBar = getActionBar();
1022        mActionBar.addOnMenuVisibilityListener(this);
1023
1024        if (ApiHelper.HAS_ROTATION_ANIMATION) {
1025            setRotationAnimation();
1026        }
1027
1028        mMainHandler = new MainHandler(getMainLooper());
1029        // Check if this is in the secure camera mode.
1030        Intent intent = getIntent();
1031        String action = intent.getAction();
1032        if (INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action)
1033                || ACTION_IMAGE_CAPTURE_SECURE.equals(action)) {
1034            mSecureCamera = true;
1035        } else {
1036            mSecureCamera = intent.getBooleanExtra(SECURE_CAMERA_EXTRA, false);
1037        }
1038
1039        if (mSecureCamera) {
1040            // Change the window flags so that secure camera can show when locked
1041            Window win = getWindow();
1042            WindowManager.LayoutParams params = win.getAttributes();
1043            params.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED;
1044            win.setAttributes(params);
1045
1046            // Filter for screen off so that we can finish secure camera activity
1047            // when screen is off.
1048            IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
1049            registerReceiver(mScreenOffReceiver, filter);
1050            // TODO: This static screen off event receiver is a workaround to the
1051            // double onResume() invocation (onResume->onPause->onResume). We should
1052            // find a better solution to this.
1053            if (sScreenOffReceiver == null) {
1054                sScreenOffReceiver = new ScreenOffReceiver();
1055                registerReceiver(sScreenOffReceiver, filter);
1056            }
1057        }
1058        mAboveFilmstripControlLayout =
1059                (FrameLayout) findViewById(R.id.camera_above_filmstrip_layout);
1060        mAboveFilmstripControlLayout.setFitsSystemWindows(true);
1061        // Hide action bar first since we are in full screen mode first, and
1062        // switch the system UI to lights-out mode.
1063        this.setSystemBarsVisibility(false);
1064        mPanoramaManager = AppManagerFactory.getInstance(this)
1065                .getPanoramaStitchingManager();
1066        mPlaceholderManager = AppManagerFactory.getInstance(this)
1067                .getGcamProcessingManager();
1068        mPanoramaManager.addTaskListener(mStitchingListener);
1069        mPlaceholderManager.addTaskListener(mPlaceholderListener);
1070        LayoutInflater inflater = getLayoutInflater();
1071        View rootLayout = inflater.inflate(R.layout.camera, null, false);
1072        mCameraModuleRootView = rootLayout.findViewById(R.id.camera_app_root);
1073        mPanoStitchingPanel = findViewById(R.id.pano_stitching_progress_panel);
1074        mBottomProgress = (ProgressBar) findViewById(R.id.pano_stitching_progress_bar);
1075        mCameraPreviewData = new CameraPreviewData(rootLayout,
1076                FilmStripView.ImageData.SIZE_FULL,
1077                FilmStripView.ImageData.SIZE_FULL);
1078        // Put a CameraPreviewData at the first position.
1079        mWrappedDataAdapter = new FixedFirstDataAdapter(
1080                new CameraDataAdapter(new ColorDrawable(
1081                        getResources().getColor(R.color.photo_placeholder))),
1082                mCameraPreviewData);
1083        mFilmStripView = (FilmStripView) findViewById(R.id.filmstrip_view);
1084        mFilmStripView.setViewGap(
1085                getResources().getDimensionPixelSize(R.dimen.camera_film_strip_gap));
1086        mPanoramaViewHelper = new PanoramaViewHelper(this);
1087        mPanoramaViewHelper.onCreate();
1088        mFilmStripView.setPanoramaViewHelper(mPanoramaViewHelper);
1089        // Set up the camera preview first so the preview shows up ASAP.
1090        mFilmStripView.setListener(mFilmStripListener);
1091
1092        int moduleIndex = -1;
1093        if (MediaStore.INTENT_ACTION_VIDEO_CAMERA.equals(getIntent().getAction())
1094                || MediaStore.ACTION_VIDEO_CAPTURE.equals(getIntent().getAction())) {
1095            moduleIndex = ModuleSwitcher.VIDEO_MODULE_INDEX;
1096        } else if (MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA.equals(getIntent().getAction())
1097                || MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(getIntent()
1098                        .getAction())) {
1099            moduleIndex = ModuleSwitcher.PHOTO_MODULE_INDEX;
1100            SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
1101            if (prefs.getInt(CameraSettings.KEY_STARTUP_MODULE_INDEX, -1)
1102                        == ModuleSwitcher.GCAM_MODULE_INDEX && GcamHelper.hasGcamCapture()) {
1103                moduleIndex = ModuleSwitcher.GCAM_MODULE_INDEX;
1104            }
1105        } else if (MediaStore.ACTION_IMAGE_CAPTURE.equals(getIntent().getAction())
1106                || MediaStore.ACTION_IMAGE_CAPTURE_SECURE.equals(getIntent().getAction())) {
1107            moduleIndex = ModuleSwitcher.PHOTO_MODULE_INDEX;
1108        } else {
1109            // If the activity has not been started using an explicit intent,
1110            // read the module index from the last time the user changed modes
1111            SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
1112            moduleIndex = prefs.getInt(CameraSettings.KEY_STARTUP_MODULE_INDEX, -1);
1113            if ((moduleIndex == ModuleSwitcher.GCAM_MODULE_INDEX &&
1114                    !GcamHelper.hasGcamCapture()) || moduleIndex < 0) {
1115                moduleIndex = ModuleSwitcher.PHOTO_MODULE_INDEX;
1116            }
1117        }
1118
1119        mOrientationListener = new MyOrientationEventListener(this);
1120        setModuleFromIndex(moduleIndex);
1121        mCurrentModule.init(this, mCameraModuleRootView);
1122
1123        if (!mSecureCamera) {
1124            mDataAdapter = mWrappedDataAdapter;
1125            mFilmStripView.setDataAdapter(mDataAdapter);
1126            if (!isCaptureIntent()) {
1127                mDataAdapter.requestLoad(getContentResolver());
1128            }
1129        } else {
1130            // Put a lock placeholder as the last image by setting its date to
1131            // 0.
1132            ImageView v = (ImageView) getLayoutInflater().inflate(
1133                    R.layout.secure_album_placeholder, null);
1134            v.setOnClickListener(new View.OnClickListener() {
1135                @Override
1136                public void onClick(View view) {
1137                    try {
1138                        UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
1139                                UsageStatistics.ACTION_GALLERY, null);
1140                        startActivity(IntentHelper.getGalleryIntent(CameraActivity.this));
1141                    } catch (ActivityNotFoundException e) {
1142                        Log.w(TAG, "Failed to launch gallery activity, closing");
1143                    }
1144                    finish();
1145                }
1146            });
1147            mDataAdapter = new FixedLastDataAdapter(
1148                    mWrappedDataAdapter,
1149                    new SimpleViewData(
1150                            v,
1151                            v.getDrawable().getIntrinsicWidth(),
1152                            v.getDrawable().getIntrinsicHeight(),
1153                            0, 0));
1154            // Flush out all the original data.
1155            mDataAdapter.flush();
1156            mFilmStripView.setDataAdapter(mDataAdapter);
1157        }
1158
1159        setupNfcBeamPush();
1160
1161        mLocalImagesObserver = new LocalMediaObserver();
1162        mLocalVideosObserver = new LocalMediaObserver();
1163
1164        getContentResolver().registerContentObserver(
1165                MediaStore.Images.Media.EXTERNAL_CONTENT_URI, true,
1166                mLocalImagesObserver);
1167        getContentResolver().registerContentObserver(
1168                MediaStore.Video.Media.EXTERNAL_CONTENT_URI, true,
1169                mLocalVideosObserver);
1170    }
1171
1172    private void setRotationAnimation() {
1173        int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE;
1174        rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
1175        Window win = getWindow();
1176        WindowManager.LayoutParams winParams = win.getAttributes();
1177        winParams.rotationAnimation = rotationAnimation;
1178        win.setAttributes(winParams);
1179    }
1180
1181    @Override
1182    public void onUserInteraction() {
1183        super.onUserInteraction();
1184        mCurrentModule.onUserInteraction();
1185    }
1186
1187    @Override
1188    public boolean dispatchTouchEvent(MotionEvent ev) {
1189        boolean result = super.dispatchTouchEvent(ev);
1190        if (ev.getActionMasked() == MotionEvent.ACTION_DOWN) {
1191            // Real deletion is postponed until the next user interaction after
1192            // the gesture that triggers deletion. Until real deletion is performed,
1193            // users can click the undo button to bring back the image that they
1194            // chose to delete.
1195            if (mPendingDeletion && !mIsUndoingDeletion) {
1196                 performDeletion();
1197            }
1198        }
1199        return result;
1200    }
1201
1202    @Override
1203    public void onPause() {
1204        // Delete photos that are pending deletion
1205        performDeletion();
1206        mOrientationListener.disable();
1207        mCurrentModule.onPauseBeforeSuper();
1208        super.onPause();
1209        mCurrentModule.onPauseAfterSuper();
1210
1211        mLocalImagesObserver.setActivityPaused(true);
1212        mLocalVideosObserver.setActivityPaused(true);
1213    }
1214
1215    @Override
1216    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
1217        if (requestCode == REQ_CODE_DONT_SWITCH_TO_PREVIEW) {
1218            mResetToPreviewOnResume = false;
1219        } else {
1220            super.onActivityResult(requestCode, resultCode, data);
1221        }
1222    }
1223
1224    @Override
1225    public void onResume() {
1226        // TODO: Handle this in OrientationManager.
1227        // Auto-rotate off
1228        if (Settings.System.getInt(getContentResolver(),
1229                Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {
1230            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
1231            mAutoRotateScreen = false;
1232        } else {
1233            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);
1234            mAutoRotateScreen = true;
1235        }
1236
1237        UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA,
1238                UsageStatistics.ACTION_FOREGROUNDED, this.getClass().getSimpleName());
1239
1240        mOrientationListener.enable();
1241        mCurrentModule.onResumeBeforeSuper();
1242        super.onResume();
1243        mCurrentModule.onResumeAfterSuper();
1244
1245        setSwipingEnabled(true);
1246
1247        if (mResetToPreviewOnResume) {
1248            // Go to the preview on resume.
1249            mFilmStripView.getController().goToFirstItem();
1250        }
1251        // Default is showing the preview, unless disabled by explicitly
1252        // starting an activity we want to return from to the filmstrip rather
1253        // than the preview.
1254        mResetToPreviewOnResume = true;
1255
1256        if (mLocalVideosObserver.isMediaDataChangedDuringPause()
1257                || mLocalImagesObserver.isMediaDataChangedDuringPause()) {
1258            if (!mSecureCamera) {
1259                // If it's secure camera, requestLoad() should not be called
1260                // as it will load all the data.
1261                mDataAdapter.requestLoad(getContentResolver());
1262            }
1263        }
1264        mLocalImagesObserver.setActivityPaused(false);
1265        mLocalVideosObserver.setActivityPaused(false);
1266    }
1267
1268    @Override
1269    public void onStart() {
1270        super.onStart();
1271        bindMediaSaveService();
1272        mPanoramaViewHelper.onStart();
1273    }
1274
1275    @Override
1276    protected void onStop() {
1277        super.onStop();
1278        mPanoramaViewHelper.onStop();
1279        unbindMediaSaveService();
1280    }
1281
1282    @Override
1283    public void onDestroy() {
1284        if (mSecureCamera) {
1285            unregisterReceiver(mScreenOffReceiver);
1286        }
1287        getContentResolver().unregisterContentObserver(mLocalImagesObserver);
1288        getContentResolver().unregisterContentObserver(mLocalVideosObserver);
1289
1290        super.onDestroy();
1291    }
1292
1293    @Override
1294    public void onConfigurationChanged(Configuration config) {
1295        super.onConfigurationChanged(config);
1296        mCurrentModule.onConfigurationChanged(config);
1297    }
1298
1299    @Override
1300    public boolean onKeyDown(int keyCode, KeyEvent event) {
1301        if (mFilmStripView.inCameraFullscreen()) {
1302            if (mCurrentModule.onKeyDown(keyCode, event)) {
1303                return true;
1304            }
1305            // Prevent software keyboard or voice search from showing up.
1306            if (keyCode == KeyEvent.KEYCODE_SEARCH
1307                    || keyCode == KeyEvent.KEYCODE_MENU) {
1308                if (event.isLongPress()) {
1309                    return true;
1310                }
1311            }
1312        }
1313
1314        return super.onKeyDown(keyCode, event);
1315    }
1316
1317    @Override
1318    public boolean onKeyUp(int keyCode, KeyEvent event) {
1319        if (mFilmStripView.inCameraFullscreen() && mCurrentModule.onKeyUp(keyCode, event)) {
1320            return true;
1321        }
1322        return super.onKeyUp(keyCode, event);
1323    }
1324
1325    @Override
1326    public void onBackPressed() {
1327        if (!mFilmStripView.inCameraFullscreen()) {
1328            mFilmStripView.getController().goToFirstItem();
1329        } else if (!mCurrentModule.onBackPressed()) {
1330            super.onBackPressed();
1331        }
1332    }
1333
1334    public boolean isAutoRotateScreen() {
1335        return mAutoRotateScreen;
1336    }
1337
1338    protected void updateStorageSpace() {
1339        mStorageSpaceBytes = Storage.getAvailableSpace();
1340    }
1341
1342    protected long getStorageSpaceBytes() {
1343        return mStorageSpaceBytes;
1344    }
1345
1346    protected void updateStorageSpaceAndHint() {
1347        updateStorageSpace();
1348        updateStorageHint(mStorageSpaceBytes);
1349    }
1350
1351    protected void updateStorageHint(long storageSpace) {
1352        String message = null;
1353        if (storageSpace == Storage.UNAVAILABLE) {
1354            message = getString(R.string.no_storage);
1355        } else if (storageSpace == Storage.PREPARING) {
1356            message = getString(R.string.preparing_sd);
1357        } else if (storageSpace == Storage.UNKNOWN_SIZE) {
1358            message = getString(R.string.access_sd_fail);
1359        } else if (storageSpace <= Storage.LOW_STORAGE_THRESHOLD_BYTES) {
1360            message = getString(R.string.spaceIsLow_content);
1361        }
1362
1363        if (message != null) {
1364            if (mStorageHint == null) {
1365                mStorageHint = OnScreenHint.makeText(this, message);
1366            } else {
1367                mStorageHint.setText(message);
1368            }
1369            mStorageHint.show();
1370        } else if (mStorageHint != null) {
1371            mStorageHint.cancel();
1372            mStorageHint = null;
1373        }
1374    }
1375
1376    protected void setResultEx(int resultCode) {
1377        mResultCodeForTesting = resultCode;
1378        setResult(resultCode);
1379    }
1380
1381    protected void setResultEx(int resultCode, Intent data) {
1382        mResultCodeForTesting = resultCode;
1383        mResultDataForTesting = data;
1384        setResult(resultCode, data);
1385    }
1386
1387    public int getResultCode() {
1388        return mResultCodeForTesting;
1389    }
1390
1391    public Intent getResultData() {
1392        return mResultDataForTesting;
1393    }
1394
1395    public boolean isSecureCamera() {
1396        return mSecureCamera;
1397    }
1398
1399    @Override
1400    public void onModuleSelected(int moduleIndex) {
1401        if (mCurrentModuleIndex == moduleIndex) {
1402            return;
1403        }
1404
1405        CameraHolder.instance().keep();
1406        closeModule(mCurrentModule);
1407        setModuleFromIndex(moduleIndex);
1408
1409        openModule(mCurrentModule);
1410        mCurrentModule.onOrientationChanged(mLastRawOrientation);
1411        if (mMediaSaveService != null) {
1412            mCurrentModule.onMediaSaveServiceConnected(mMediaSaveService);
1413        }
1414
1415        // Store the module index so we can use it the next time the Camera
1416        // starts up.
1417        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
1418        prefs.edit().putInt(CameraSettings.KEY_STARTUP_MODULE_INDEX, moduleIndex).apply();
1419    }
1420
1421    /**
1422     * Sets the mCurrentModuleIndex, creates a new module instance for the given
1423     * index an sets it as mCurrentModule.
1424     */
1425    private void setModuleFromIndex(int moduleIndex) {
1426        mCurrentModuleIndex = moduleIndex;
1427        switch (moduleIndex) {
1428            case ModuleSwitcher.VIDEO_MODULE_INDEX:
1429                mCurrentModule = new VideoModule();
1430                break;
1431
1432            case ModuleSwitcher.PHOTO_MODULE_INDEX:
1433                mCurrentModule = new PhotoModule();
1434                break;
1435
1436            case ModuleSwitcher.WIDE_ANGLE_PANO_MODULE_INDEX:
1437                mCurrentModule = new WideAnglePanoramaModule();
1438                break;
1439
1440            case ModuleSwitcher.LIGHTCYCLE_MODULE_INDEX:
1441                mCurrentModule = PhotoSphereHelper.createPanoramaModule();
1442                break;
1443            case ModuleSwitcher.GCAM_MODULE_INDEX:
1444                // Force immediate release of Camera instance
1445                CameraHolder.instance().strongRelease();
1446                mCurrentModule = GcamHelper.createGcamModule();
1447                break;
1448            default:
1449                // Fall back to photo mode.
1450                mCurrentModule = new PhotoModule();
1451                mCurrentModuleIndex = ModuleSwitcher.PHOTO_MODULE_INDEX;
1452                break;
1453        }
1454    }
1455
1456    /**
1457     * Launches an ACTION_EDIT intent for the given local data item.
1458     */
1459    public void launchEditor(LocalData data) {
1460        Intent intent = new Intent(Intent.ACTION_EDIT)
1461                .setDataAndType(data.getContentUri(), data.getMimeType())
1462                .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
1463        try {
1464            startActivityForResult(intent, REQ_CODE_DONT_SWITCH_TO_PREVIEW);
1465        } catch (ActivityNotFoundException e) {
1466            startActivityForResult(Intent.createChooser(intent, null),
1467                    REQ_CODE_DONT_SWITCH_TO_PREVIEW);
1468        }
1469    }
1470
1471    /**
1472     * Launch the tiny planet editor.
1473     *
1474     * @param data the data must be a 360 degree stereographically mapped
1475     *            panoramic image. It will not be modified, instead a new item
1476     *            with the result will be added to the filmstrip.
1477     */
1478    public void launchTinyPlanetEditor(LocalData data) {
1479        TinyPlanetFragment fragment = new TinyPlanetFragment();
1480        Bundle bundle = new Bundle();
1481        bundle.putString(TinyPlanetFragment.ARGUMENT_URI, data.getContentUri().toString());
1482        bundle.putString(TinyPlanetFragment.ARGUMENT_TITLE, data.getTitle());
1483        fragment.setArguments(bundle);
1484        fragment.show(getFragmentManager(), "tiny_planet");
1485    }
1486
1487    private void openModule(CameraModule module) {
1488        module.init(this, mCameraModuleRootView);
1489        module.onResumeBeforeSuper();
1490        module.onResumeAfterSuper();
1491    }
1492
1493    private void closeModule(CameraModule module) {
1494        module.onPauseBeforeSuper();
1495        module.onPauseAfterSuper();
1496        ((ViewGroup) mCameraModuleRootView).removeAllViews();
1497    }
1498
1499    private void performDeletion() {
1500        if (!mPendingDeletion) {
1501            return;
1502        }
1503        hideUndoDeletionBar(false);
1504        mDataAdapter.executeDeletion(CameraActivity.this);
1505
1506        int currentId = mFilmStripView.getCurrentId();
1507        updateActionBarMenu(currentId);
1508        mFilmStripListener.onCurrentDataCentered(currentId);
1509    }
1510
1511    public void showUndoDeletionBar() {
1512        if (mPendingDeletion) {
1513            performDeletion();
1514        }
1515        Log.v(TAG, "showing undo bar");
1516        mPendingDeletion = true;
1517        if (mUndoDeletionBar == null) {
1518            ViewGroup v = (ViewGroup) getLayoutInflater().inflate(
1519                    R.layout.undo_bar, mAboveFilmstripControlLayout, true);
1520            mUndoDeletionBar = (ViewGroup) v.findViewById(R.id.camera_undo_deletion_bar);
1521            View button = mUndoDeletionBar.findViewById(R.id.camera_undo_deletion_button);
1522            button.setOnClickListener(new View.OnClickListener() {
1523                @Override
1524                public void onClick(View view) {
1525                    mDataAdapter.undoDataRemoval();
1526                    hideUndoDeletionBar(true);
1527                }
1528            });
1529            // Setting undo bar clickable to avoid touch events going through
1530            // the bar to the buttons (eg. edit button, etc) underneath the bar.
1531            mUndoDeletionBar.setClickable(true);
1532            // When there is user interaction going on with the undo button, we
1533            // do not want to hide the undo bar.
1534            button.setOnTouchListener(new View.OnTouchListener() {
1535                @Override
1536                public boolean onTouch(View v, MotionEvent event) {
1537                    if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
1538                        mIsUndoingDeletion = true;
1539                    } else if (event.getActionMasked() == MotionEvent.ACTION_UP) {
1540                        mIsUndoingDeletion =false;
1541                    }
1542                    return false;
1543                }
1544            });
1545        }
1546        mUndoDeletionBar.setAlpha(0f);
1547        mUndoDeletionBar.setVisibility(View.VISIBLE);
1548        mUndoDeletionBar.animate().setDuration(200).alpha(1f).setListener(null).start();
1549    }
1550
1551    private void hideUndoDeletionBar(boolean withAnimation) {
1552        Log.v(TAG, "Hiding undo deletion bar");
1553        mPendingDeletion = false;
1554        if (mUndoDeletionBar != null) {
1555            if (withAnimation) {
1556                mUndoDeletionBar.animate()
1557                        .setDuration(200)
1558                        .alpha(0f)
1559                        .setListener(new Animator.AnimatorListener() {
1560                            @Override
1561                            public void onAnimationStart(Animator animation) {
1562                                // Do nothing.
1563                            }
1564
1565                            @Override
1566                            public void onAnimationEnd(Animator animation) {
1567                                mUndoDeletionBar.setVisibility(View.GONE);
1568                            }
1569
1570                            @Override
1571                            public void onAnimationCancel(Animator animation) {
1572                                // Do nothing.
1573                            }
1574
1575                            @Override
1576                            public void onAnimationRepeat(Animator animation) {
1577                                // Do nothing.
1578                            }
1579                        })
1580                        .start();
1581            } else {
1582                mUndoDeletionBar.setVisibility(View.GONE);
1583            }
1584        }
1585    }
1586
1587    @Override
1588    public void onShowSwitcherPopup() {
1589        mCurrentModule.onShowSwitcherPopup();
1590    }
1591
1592    /**
1593     * Enable/disable swipe-to-filmstrip. Will always disable swipe if in
1594     * capture intent.
1595     *
1596     * @param enable {@code true} to enable swipe.
1597     */
1598    public void setSwipingEnabled(boolean enable) {
1599        if (isCaptureIntent()) {
1600            mCameraPreviewData.lockPreview(true);
1601        } else {
1602            mCameraPreviewData.lockPreview(!enable);
1603        }
1604    }
1605
1606
1607    /**
1608     * Check whether camera controls are visible.
1609     *
1610     * @return whether controls are visible.
1611     */
1612    private boolean arePreviewControlsVisible() {
1613        return mCurrentModule.arePreviewControlsVisible();
1614    }
1615
1616    /**
1617     * Show or hide the {@link CameraControls} using the current module's
1618     * implementation of {@link #onPreviewFocusChanged}.
1619     *
1620     * @param showControls whether to show camera controls.
1621     */
1622    private void setPreviewControlsVisibility(boolean showControls) {
1623        mCurrentModule.onPreviewFocusChanged(showControls);
1624    }
1625
1626    // Accessor methods for getting latency times used in performance testing
1627    public long getAutoFocusTime() {
1628        return (mCurrentModule instanceof PhotoModule) ?
1629                ((PhotoModule) mCurrentModule).mAutoFocusTime : -1;
1630    }
1631
1632    public long getShutterLag() {
1633        return (mCurrentModule instanceof PhotoModule) ?
1634                ((PhotoModule) mCurrentModule).mShutterLag : -1;
1635    }
1636
1637    public long getShutterToPictureDisplayedTime() {
1638        return (mCurrentModule instanceof PhotoModule) ?
1639                ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1;
1640    }
1641
1642    public long getPictureDisplayedToJpegCallbackTime() {
1643        return (mCurrentModule instanceof PhotoModule) ?
1644                ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1;
1645    }
1646
1647    public long getJpegCallbackFinishTime() {
1648        return (mCurrentModule instanceof PhotoModule) ?
1649                ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1;
1650    }
1651
1652    public long getCaptureStartTime() {
1653        return (mCurrentModule instanceof PhotoModule) ?
1654                ((PhotoModule) mCurrentModule).mCaptureStartTime : -1;
1655    }
1656
1657    public boolean isRecording() {
1658        return (mCurrentModule instanceof VideoModule) ?
1659                ((VideoModule) mCurrentModule).isRecording() : false;
1660    }
1661
1662    public CameraOpenErrorCallback getCameraOpenErrorCallback() {
1663        return mCameraOpenErrorCallback;
1664    }
1665
1666    // For debugging purposes only.
1667    public CameraModule getCurrentModule() {
1668        return mCurrentModule;
1669    }
1670}
1671