CameraActivity.java revision f1f5186f7d3fd8bf35009d9e65a43914c664d82b
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.app.Activity; 20import android.content.BroadcastReceiver; 21import android.content.ComponentName; 22import android.content.ContentResolver; 23import android.content.Context; 24import android.content.Intent; 25import android.content.IntentFilter; 26import android.content.ServiceConnection; 27import android.content.pm.ActivityInfo; 28import android.content.res.Configuration; 29import android.graphics.drawable.ColorDrawable; 30import android.net.Uri; 31import android.os.Bundle; 32import android.os.Handler; 33import android.os.IBinder; 34import android.provider.Settings; 35import android.view.KeyEvent; 36import android.view.LayoutInflater; 37import android.view.OrientationEventListener; 38import android.view.View; 39import android.view.ViewGroup; 40import android.view.Window; 41import android.view.WindowManager; 42import android.widget.ImageView; 43 44import com.android.camera.data.CameraDataAdapter; 45import com.android.camera.data.LocalData; 46import com.android.camera.ui.CameraSwitcher; 47import com.android.camera.ui.CameraSwitcher.CameraSwitchListener; 48import com.android.camera.ui.FilmStripView; 49import com.android.gallery3d.R; 50import com.android.gallery3d.common.ApiHelper; 51import com.android.gallery3d.util.LightCycleHelper; 52import com.android.gallery3d.util.RefocusHelper; 53import com.android.gallery3d.util.LightCycleHelper.PanoramaViewHelper; 54 55public class CameraActivity extends Activity 56 implements CameraSwitchListener { 57 58 private static final String TAG = "CAM_Activity"; 59 60 private static final String INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE = 61 "android.media.action.STILL_IMAGE_CAMERA_SECURE"; 62 public static final String ACTION_IMAGE_CAPTURE_SECURE = 63 "android.media.action.IMAGE_CAPTURE_SECURE"; 64 65 // The intent extra for camera from secure lock screen. True if the gallery 66 // should only show newly captured pictures. sSecureAlbumId does not 67 // increment. This is used when switching between camera, camcorder, and 68 // panorama. If the extra is not set, it is in the normal camera mode. 69 public static final String SECURE_CAMERA_EXTRA = "secure_camera"; 70 71 private CameraDataAdapter mDataAdapter; 72 private PanoramaStitchingManager mPanoramaManager; 73 private int mCurrentModuleIndex; 74 private CameraModule mCurrentModule; 75 private View mRootView; 76 private FilmStripView mFilmStripView; 77 private int mResultCodeForTesting; 78 private Intent mResultDataForTesting; 79 private OnScreenHint mStorageHint; 80 private long mStorageSpace = Storage.LOW_STORAGE_THRESHOLD; 81 private boolean mAutoRotateScreen; 82 private boolean mSecureCamera; 83 // This is a hack to speed up the start of SecureCamera. 84 private static boolean sFirstStartAfterScreenOn = true; 85 private boolean mShowCameraPreview; 86 private int mLastRawOrientation; 87 private MyOrientationEventListener mOrientationListener; 88 private Handler mMainHandler; 89 private PanoramaViewHelper mPanoramaViewHelper; 90 91 private class MyOrientationEventListener 92 extends OrientationEventListener { 93 public MyOrientationEventListener(Context context) { 94 super(context); 95 } 96 97 @Override 98 public void onOrientationChanged(int orientation) { 99 // We keep the last known orientation. So if the user first orient 100 // the camera then point the camera to floor or sky, we still have 101 // the correct orientation. 102 if (orientation == ORIENTATION_UNKNOWN) return; 103 mLastRawOrientation = orientation; 104 mCurrentModule.onOrientationChanged(orientation); 105 } 106 } 107 108 private MediaSaveService mMediaSaveService; 109 private ServiceConnection mConnection = new ServiceConnection() { 110 @Override 111 public void onServiceConnected(ComponentName className, IBinder b) { 112 mMediaSaveService = ((MediaSaveService.LocalBinder) b).getService(); 113 mCurrentModule.onMediaSaveServiceConnected(mMediaSaveService); 114 } 115 @Override 116 public void onServiceDisconnected(ComponentName className) { 117 mMediaSaveService = null; 118 }}; 119 120 // close activity when screen turns off 121 private BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() { 122 @Override 123 public void onReceive(Context context, Intent intent) { 124 finish(); 125 } 126 }; 127 128 private static BroadcastReceiver sScreenOffReceiver; 129 private static class ScreenOffReceiver extends BroadcastReceiver { 130 @Override 131 public void onReceive(Context context, Intent intent) { 132 sFirstStartAfterScreenOn = true; 133 } 134 } 135 136 public static boolean isFirstStartAfterScreenOn() { 137 return sFirstStartAfterScreenOn; 138 } 139 140 public static void resetFirstStartAfterScreenOn() { 141 sFirstStartAfterScreenOn = false; 142 } 143 144 private FilmStripView.Listener mFilmStripListener = new FilmStripView.Listener() { 145 @Override 146 public void onDataPromoted(int dataID) { 147 removeData(dataID); 148 } 149 150 @Override 151 public void onDataDemoted(int dataID) { 152 removeData(dataID); 153 } 154 155 @Override 156 public void onDataFullScreenChange(int dataID, boolean full) { 157 } 158 159 @Override 160 public void onSwitchMode(boolean toCamera) { 161 mCurrentModule.onSwitchMode(toCamera); 162 } 163 }; 164 165 private Runnable mDeletionRunnable = new Runnable() { 166 @Override 167 public void run() { 168 mDataAdapter.executeDeletion(CameraActivity.this); 169 } 170 }; 171 172 private ImageTaskManager.TaskListener mStitchingListener = 173 new ImageTaskManager.TaskListener() { 174 @Override 175 public void onTaskQueued(String filePath, Uri imageUri) { 176 } 177 178 @Override 179 public void onTaskDone(String filePath, Uri imageUri) { 180 } 181 182 @Override 183 public void onTaskProgress( 184 String filePath, Uri imageUri, int progress) { 185 } 186 }; 187 188 public MediaSaveService getMediaSaveService() { 189 return mMediaSaveService; 190 } 191 192 public void notifyNewMedia(Uri uri) { 193 ContentResolver cr = getContentResolver(); 194 String mimeType = cr.getType(uri); 195 if (mimeType.startsWith("video/")) { 196 sendBroadcast(new Intent(Util.ACTION_NEW_VIDEO, uri)); 197 mDataAdapter.addNewVideo(cr, uri); 198 } else if (mimeType.startsWith("image/")) { 199 Util.broadcastNewPicture(this, uri); 200 mDataAdapter.addNewPhoto(cr, uri); 201 } else { 202 android.util.Log.w(TAG, "Unknown new media with MIME type:" 203 + mimeType + ", uri:" + uri); 204 } 205 } 206 207 private void removeData(int dataID) { 208 mDataAdapter.removeData(CameraActivity.this, dataID); 209 mMainHandler.removeCallbacks(mDeletionRunnable); 210 mMainHandler.postDelayed(mDeletionRunnable, 3000); 211 } 212 213 private void bindMediaSaveService() { 214 Intent intent = new Intent(this, MediaSaveService.class); 215 startService(intent); // start service before binding it so the 216 // service won't be killed if we unbind it. 217 bindService(intent, mConnection, Context.BIND_AUTO_CREATE); 218 } 219 220 private void unbindMediaSaveService() { 221 if (mMediaSaveService != null) { 222 mMediaSaveService.setListener(null); 223 } 224 if (mConnection != null) { 225 unbindService(mConnection); 226 } 227 } 228 229 @Override 230 public void onCreate(Bundle state) { 231 super.onCreate(state); 232 setContentView(R.layout.camera_filmstrip); 233 if (ApiHelper.HAS_ROTATION_ANIMATION) { 234 setRotationAnimation(); 235 } 236 // Check if this is in the secure camera mode. 237 Intent intent = getIntent(); 238 String action = intent.getAction(); 239 if (INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action) 240 || ACTION_IMAGE_CAPTURE_SECURE.equals(action)) { 241 mSecureCamera = true; 242 } else { 243 mSecureCamera = intent.getBooleanExtra(SECURE_CAMERA_EXTRA, false); 244 } 245 246 if (mSecureCamera) { 247 // Change the window flags so that secure camera can show when locked 248 Window win = getWindow(); 249 WindowManager.LayoutParams params = win.getAttributes(); 250 params.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED; 251 win.setAttributes(params); 252 253 // Filter for screen off so that we can finish secure camera activity 254 // when screen is off. 255 IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF); 256 registerReceiver(mScreenOffReceiver, filter); 257 // TODO: This static screen off event receiver is a workaround to the 258 // double onResume() invocation (onResume->onPause->onResume). We should 259 // find a better solution to this. 260 if (sScreenOffReceiver == null) { 261 sScreenOffReceiver = new ScreenOffReceiver(); 262 registerReceiver(sScreenOffReceiver, filter); 263 } 264 } 265 mPanoramaManager = new PanoramaStitchingManager(CameraActivity.this); 266 mPanoramaManager.addTaskListener(mStitchingListener); 267 LayoutInflater inflater = getLayoutInflater(); 268 View rootLayout = inflater.inflate(R.layout.camera, null, false); 269 mRootView = rootLayout.findViewById(R.id.camera_app_root); 270 mDataAdapter = new CameraDataAdapter( 271 new ColorDrawable(getResources().getColor(R.color.photo_placeholder))); 272 mFilmStripView = (FilmStripView) findViewById(R.id.filmstrip_view); 273 mFilmStripView.setViewGap( 274 getResources().getDimensionPixelSize(R.dimen.camera_film_strip_gap)); 275 mPanoramaViewHelper = new PanoramaViewHelper(this); 276 mPanoramaViewHelper.onCreate(); 277 mFilmStripView.setPanoramaViewHelper(mPanoramaViewHelper); 278 // Set up the camera preview first so the preview shows up ASAP. 279 mDataAdapter.setCameraPreviewInfo(rootLayout, 280 FilmStripView.ImageData.SIZE_FULL, FilmStripView.ImageData.SIZE_FULL); 281 mFilmStripView.setDataAdapter(mDataAdapter); 282 mFilmStripView.setListener(mFilmStripListener); 283 mCurrentModule = new PhotoModule(); 284 mCurrentModule.init(this, mRootView); 285 mOrientationListener = new MyOrientationEventListener(this); 286 mMainHandler = new Handler(getMainLooper()); 287 bindMediaSaveService(); 288 } 289 290 private void setRotationAnimation() { 291 int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE; 292 rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE; 293 Window win = getWindow(); 294 WindowManager.LayoutParams winParams = win.getAttributes(); 295 winParams.rotationAnimation = rotationAnimation; 296 win.setAttributes(winParams); 297 } 298 299 @Override 300 public void onUserInteraction() { 301 super.onUserInteraction(); 302 mCurrentModule.onUserInteraction(); 303 } 304 305 @Override 306 public void onPause() { 307 mOrientationListener.disable(); 308 mCurrentModule.onPauseBeforeSuper(); 309 super.onPause(); 310 mCurrentModule.onPauseAfterSuper(); 311 } 312 313 @Override 314 public void onResume() { 315 if (Settings.System.getInt(getContentResolver(), 316 Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {// auto-rotate off 317 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); 318 mAutoRotateScreen = false; 319 } else { 320 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR); 321 mAutoRotateScreen = true; 322 } 323 mOrientationListener.enable(); 324 mCurrentModule.onResumeBeforeSuper(); 325 super.onResume(); 326 mCurrentModule.onResumeAfterSuper(); 327 328 setSwipingEnabled(true); 329 } 330 331 @Override 332 public void onStart() { 333 super.onStart(); 334 335 // The loading is done in background and will update the filmstrip later. 336 if (!mSecureCamera) { 337 mDataAdapter.requestLoad(getContentResolver()); 338 } else { 339 // Flush out all the original data first. 340 mDataAdapter.flush(); 341 ImageView v = (ImageView) getLayoutInflater().inflate( 342 R.layout.secure_album_placeholder, null); 343 // Put a lock placeholder as the last image by setting its date to 0. 344 mDataAdapter.addLocalData( 345 new LocalData.LocalViewData( 346 v, 347 v.getDrawable().getIntrinsicWidth(), 348 v.getDrawable().getIntrinsicHeight(), 349 0, 0)); 350 } 351 mPanoramaViewHelper.onStart(); 352 } 353 354 @Override 355 protected void onStop() { 356 super.onStop(); 357 mPanoramaViewHelper.onStop(); 358 } 359 360 @Override 361 public void onDestroy() { 362 unbindMediaSaveService(); 363 if (mSecureCamera) unregisterReceiver(mScreenOffReceiver); 364 super.onDestroy(); 365 } 366 367 @Override 368 public void onConfigurationChanged(Configuration config) { 369 super.onConfigurationChanged(config); 370 mCurrentModule.onConfigurationChanged(config); 371 } 372 373 @Override 374 public boolean onKeyDown(int keyCode, KeyEvent event) { 375 if (mCurrentModule.onKeyDown(keyCode, event)) return true; 376 // Prevent software keyboard or voice search from showing up. 377 if (keyCode == KeyEvent.KEYCODE_SEARCH 378 || keyCode == KeyEvent.KEYCODE_MENU) { 379 if (event.isLongPress()) return true; 380 } 381 if (keyCode == KeyEvent.KEYCODE_MENU && mShowCameraPreview) { 382 return true; 383 } 384 385 return super.onKeyDown(keyCode, event); 386 } 387 388 @Override 389 public boolean onKeyUp(int keyCode, KeyEvent event) { 390 if (mCurrentModule.onKeyUp(keyCode, event)) return true; 391 if (keyCode == KeyEvent.KEYCODE_MENU && mShowCameraPreview) { 392 return true; 393 } 394 return super.onKeyUp(keyCode, event); 395 } 396 397 public boolean isAutoRotateScreen() { 398 return mAutoRotateScreen; 399 } 400 401 protected void updateStorageSpace() { 402 mStorageSpace = Storage.getAvailableSpace(); 403 } 404 405 protected long getStorageSpace() { 406 return mStorageSpace; 407 } 408 409 protected void updateStorageSpaceAndHint() { 410 updateStorageSpace(); 411 updateStorageHint(mStorageSpace); 412 } 413 414 protected void updateStorageHint() { 415 updateStorageHint(mStorageSpace); 416 } 417 418 protected boolean updateStorageHintOnResume() { 419 return true; 420 } 421 422 protected void updateStorageHint(long storageSpace) { 423 String message = null; 424 if (storageSpace == Storage.UNAVAILABLE) { 425 message = getString(R.string.no_storage); 426 } else if (storageSpace == Storage.PREPARING) { 427 message = getString(R.string.preparing_sd); 428 } else if (storageSpace == Storage.UNKNOWN_SIZE) { 429 message = getString(R.string.access_sd_fail); 430 } else if (storageSpace <= Storage.LOW_STORAGE_THRESHOLD) { 431 message = getString(R.string.spaceIsLow_content); 432 } 433 434 if (message != null) { 435 if (mStorageHint == null) { 436 mStorageHint = OnScreenHint.makeText(this, message); 437 } else { 438 mStorageHint.setText(message); 439 } 440 mStorageHint.show(); 441 } else if (mStorageHint != null) { 442 mStorageHint.cancel(); 443 mStorageHint = null; 444 } 445 } 446 447 protected void setResultEx(int resultCode) { 448 mResultCodeForTesting = resultCode; 449 setResult(resultCode); 450 } 451 452 protected void setResultEx(int resultCode, Intent data) { 453 mResultCodeForTesting = resultCode; 454 mResultDataForTesting = data; 455 setResult(resultCode, data); 456 } 457 458 public int getResultCode() { 459 return mResultCodeForTesting; 460 } 461 462 public Intent getResultData() { 463 return mResultDataForTesting; 464 } 465 466 public boolean isSecureCamera() { 467 return mSecureCamera; 468 } 469 470 @Override 471 public void onCameraSelected(int i) { 472 if (mCurrentModuleIndex == i) return; 473 474 CameraHolder.instance().keep(); 475 closeModule(mCurrentModule); 476 mCurrentModuleIndex = i; 477 switch (i) { 478 case CameraSwitcher.VIDEO_MODULE_INDEX: 479 mCurrentModule = new VideoModule(); 480 break; 481 case CameraSwitcher.PHOTO_MODULE_INDEX: 482 mCurrentModule = new PhotoModule(); 483 break; 484 case CameraSwitcher.LIGHTCYCLE_MODULE_INDEX: 485 mCurrentModule = LightCycleHelper.createPanoramaModule(); 486 break; 487 case CameraSwitcher.REFOCUS_MODULE_INDEX: 488 mCurrentModule = RefocusHelper.createRefocusModule(); 489 break; 490 default: 491 break; 492 } 493 494 openModule(mCurrentModule); 495 mCurrentModule.onOrientationChanged(mLastRawOrientation); 496 if (mMediaSaveService != null) { 497 mCurrentModule.onMediaSaveServiceConnected(mMediaSaveService); 498 } 499 } 500 501 private void openModule(CameraModule module) { 502 module.init(this, mRootView); 503 module.onResumeBeforeSuper(); 504 module.onResumeAfterSuper(); 505 } 506 507 private void closeModule(CameraModule module) { 508 module.onPauseBeforeSuper(); 509 module.onPauseAfterSuper(); 510 ((ViewGroup) mRootView).removeAllViews(); 511 } 512 513 @Override 514 public void onShowSwitcherPopup() { 515 } 516 517 public void setSwipingEnabled(boolean enable) { 518 mDataAdapter.setCameraPreviewLock(!enable); 519 } 520 521 // Accessor methods for getting latency times used in performance testing 522 public long getAutoFocusTime() { 523 return (mCurrentModule instanceof PhotoModule) ? 524 ((PhotoModule) mCurrentModule).mAutoFocusTime : -1; 525 } 526 527 public long getShutterLag() { 528 return (mCurrentModule instanceof PhotoModule) ? 529 ((PhotoModule) mCurrentModule).mShutterLag : -1; 530 } 531 532 public long getShutterToPictureDisplayedTime() { 533 return (mCurrentModule instanceof PhotoModule) ? 534 ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1; 535 } 536 537 public long getPictureDisplayedToJpegCallbackTime() { 538 return (mCurrentModule instanceof PhotoModule) ? 539 ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1; 540 } 541 542 public long getJpegCallbackFinishTime() { 543 return (mCurrentModule instanceof PhotoModule) ? 544 ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1; 545 } 546 547 public long getCaptureStartTime() { 548 return (mCurrentModule instanceof PhotoModule) ? 549 ((PhotoModule) mCurrentModule).mCaptureStartTime : -1; 550 } 551 552 public boolean isRecording() { 553 return (mCurrentModule instanceof VideoModule) ? 554 ((VideoModule) mCurrentModule).isRecording() : false; 555 } 556} 557