diff options
Diffstat (limited to 'src/com/android/camera/CameraActivity.java')
| -rw-r--r-- | src/com/android/camera/CameraActivity.java | 571 |
1 files changed, 571 insertions, 0 deletions
diff --git a/src/com/android/camera/CameraActivity.java b/src/com/android/camera/CameraActivity.java new file mode 100644 index 000000000..7f71d5f31 --- /dev/null +++ b/src/com/android/camera/CameraActivity.java @@ -0,0 +1,571 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.camera; + +import android.app.Activity; +import android.content.BroadcastReceiver; +import android.content.ComponentName; +import android.content.ContentResolver; +import android.content.Context; +import android.content.Intent; +import android.content.IntentFilter; +import android.content.ServiceConnection; +import android.content.pm.ActivityInfo; +import android.content.res.Configuration; +import android.graphics.drawable.ColorDrawable; +import android.net.Uri; +import android.os.Bundle; +import android.os.Handler; +import android.os.IBinder; +import android.provider.Settings; +import android.view.KeyEvent; +import android.view.LayoutInflater; +import android.view.OrientationEventListener; +import android.view.View; +import android.view.ViewGroup; +import android.view.Window; +import android.view.WindowManager; +import android.widget.ImageView; + +import com.android.camera.data.CameraDataAdapter; +import com.android.camera.data.CameraPreviewData; +import com.android.camera.data.FixedFirstDataAdapter; +import com.android.camera.data.FixedLastDataAdapter; +import com.android.camera.data.LocalData; +import com.android.camera.data.LocalDataAdapter; +import com.android.camera.ui.CameraSwitcher; +import com.android.camera.ui.CameraSwitcher.CameraSwitchListener; +import com.android.camera.ui.FilmStripView; +import com.android.gallery3d.R; +import com.android.gallery3d.common.ApiHelper; +import com.android.gallery3d.util.LightCycleHelper; +import com.android.gallery3d.util.RefocusHelper; +import com.android.gallery3d.util.LightCycleHelper.PanoramaViewHelper; + +public class CameraActivity extends Activity + implements CameraSwitchListener { + + private static final String TAG = "CAM_Activity"; + + private static final String INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE = + "android.media.action.STILL_IMAGE_CAMERA_SECURE"; + public static final String ACTION_IMAGE_CAPTURE_SECURE = + "android.media.action.IMAGE_CAPTURE_SECURE"; + + // The intent extra for camera from secure lock screen. True if the gallery + // should only show newly captured pictures. sSecureAlbumId does not + // increment. This is used when switching between camera, camcorder, and + // panorama. If the extra is not set, it is in the normal camera mode. + public static final String SECURE_CAMERA_EXTRA = "secure_camera"; + + /** This data adapter is used by FilmStirpView. */ + private LocalDataAdapter mDataAdapter; + /** This data adapter represents the real local camera data. */ + private LocalDataAdapter mWrappedDataAdapter; + + private PanoramaStitchingManager mPanoramaManager; + private int mCurrentModuleIndex; + private CameraModule mCurrentModule; + private View mRootView; + private FilmStripView mFilmStripView; + private int mResultCodeForTesting; + private Intent mResultDataForTesting; + private OnScreenHint mStorageHint; + private long mStorageSpace = Storage.LOW_STORAGE_THRESHOLD; + private boolean mAutoRotateScreen; + private boolean mSecureCamera; + // This is a hack to speed up the start of SecureCamera. + private static boolean sFirstStartAfterScreenOn = true; + private boolean mShowCameraPreview; + private int mLastRawOrientation; + private MyOrientationEventListener mOrientationListener; + private Handler mMainHandler; + private PanoramaViewHelper mPanoramaViewHelper; + private CameraPreviewData mCameraPreviewData; + + private class MyOrientationEventListener + extends OrientationEventListener { + public MyOrientationEventListener(Context context) { + super(context); + } + + @Override + public void onOrientationChanged(int orientation) { + // We keep the last known orientation. So if the user first orient + // the camera then point the camera to floor or sky, we still have + // the correct orientation. + if (orientation == ORIENTATION_UNKNOWN) return; + mLastRawOrientation = orientation; + mCurrentModule.onOrientationChanged(orientation); + } + } + + private MediaSaveService mMediaSaveService; + private ServiceConnection mConnection = new ServiceConnection() { + @Override + public void onServiceConnected(ComponentName className, IBinder b) { + mMediaSaveService = ((MediaSaveService.LocalBinder) b).getService(); + mCurrentModule.onMediaSaveServiceConnected(mMediaSaveService); + } + @Override + public void onServiceDisconnected(ComponentName className) { + mMediaSaveService = null; + }}; + + // close activity when screen turns off + private BroadcastReceiver mScreenOffReceiver = new BroadcastReceiver() { + @Override + public void onReceive(Context context, Intent intent) { + finish(); + } + }; + + private static BroadcastReceiver sScreenOffReceiver; + private static class ScreenOffReceiver extends BroadcastReceiver { + @Override + public void onReceive(Context context, Intent intent) { + sFirstStartAfterScreenOn = true; + } + } + + public static boolean isFirstStartAfterScreenOn() { + return sFirstStartAfterScreenOn; + } + + public static void resetFirstStartAfterScreenOn() { + sFirstStartAfterScreenOn = false; + } + + private FilmStripView.Listener mFilmStripListener = new FilmStripView.Listener() { + @Override + public void onDataPromoted(int dataID) { + removeData(dataID); + } + + @Override + public void onDataDemoted(int dataID) { + removeData(dataID); + } + + @Override + public void onDataFullScreenChange(int dataID, boolean full) { + } + + @Override + public void onSwitchMode(boolean toCamera) { + mCurrentModule.onSwitchMode(toCamera); + } + }; + + private Runnable mDeletionRunnable = new Runnable() { + @Override + public void run() { + mDataAdapter.executeDeletion(CameraActivity.this); + } + }; + + private ImageTaskManager.TaskListener mStitchingListener = + new ImageTaskManager.TaskListener() { + @Override + public void onTaskQueued(String filePath, Uri imageUri) { + } + + @Override + public void onTaskDone(String filePath, Uri imageUri) { + } + + @Override + public void onTaskProgress( + String filePath, Uri imageUri, int progress) { + } + }; + + public MediaSaveService getMediaSaveService() { + return mMediaSaveService; + } + + public void notifyNewMedia(Uri uri) { + ContentResolver cr = getContentResolver(); + String mimeType = cr.getType(uri); + if (mimeType.startsWith("video/")) { + sendBroadcast(new Intent(Util.ACTION_NEW_VIDEO, uri)); + mDataAdapter.addNewVideo(cr, uri); + } else if (mimeType.startsWith("image/")) { + Util.broadcastNewPicture(this, uri); + mDataAdapter.addNewPhoto(cr, uri); + } else { + android.util.Log.w(TAG, "Unknown new media with MIME type:" + + mimeType + ", uri:" + uri); + } + } + + private void removeData(int dataID) { + mDataAdapter.removeData(CameraActivity.this, dataID); + mMainHandler.removeCallbacks(mDeletionRunnable); + mMainHandler.postDelayed(mDeletionRunnable, 3000); + } + + private void bindMediaSaveService() { + Intent intent = new Intent(this, MediaSaveService.class); + startService(intent); // start service before binding it so the + // service won't be killed if we unbind it. + bindService(intent, mConnection, Context.BIND_AUTO_CREATE); + } + + private void unbindMediaSaveService() { + if (mMediaSaveService != null) { + mMediaSaveService.setListener(null); + } + if (mConnection != null) { + unbindService(mConnection); + } + } + + @Override + public void onCreate(Bundle state) { + super.onCreate(state); + setContentView(R.layout.camera_filmstrip); + if (ApiHelper.HAS_ROTATION_ANIMATION) { + setRotationAnimation(); + } + // Check if this is in the secure camera mode. + Intent intent = getIntent(); + String action = intent.getAction(); + if (INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE.equals(action) + || ACTION_IMAGE_CAPTURE_SECURE.equals(action)) { + mSecureCamera = true; + } else { + mSecureCamera = intent.getBooleanExtra(SECURE_CAMERA_EXTRA, false); + } + + if (mSecureCamera) { + // Change the window flags so that secure camera can show when locked + Window win = getWindow(); + WindowManager.LayoutParams params = win.getAttributes(); + params.flags |= WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED; + win.setAttributes(params); + + // Filter for screen off so that we can finish secure camera activity + // when screen is off. + IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF); + registerReceiver(mScreenOffReceiver, filter); + // TODO: This static screen off event receiver is a workaround to the + // double onResume() invocation (onResume->onPause->onResume). We should + // find a better solution to this. + if (sScreenOffReceiver == null) { + sScreenOffReceiver = new ScreenOffReceiver(); + registerReceiver(sScreenOffReceiver, filter); + } + } + mPanoramaManager = new PanoramaStitchingManager(CameraActivity.this); + mPanoramaManager.addTaskListener(mStitchingListener); + LayoutInflater inflater = getLayoutInflater(); + View rootLayout = inflater.inflate(R.layout.camera, null, false); + mRootView = rootLayout.findViewById(R.id.camera_app_root); + mCameraPreviewData = new CameraPreviewData(rootLayout, + FilmStripView.ImageData.SIZE_FULL, + FilmStripView.ImageData.SIZE_FULL); + // Put a CameraPreviewData at the first position. + mWrappedDataAdapter = new FixedFirstDataAdapter( + new CameraDataAdapter(new ColorDrawable( + getResources().getColor(R.color.photo_placeholder))), + mCameraPreviewData); + mFilmStripView = (FilmStripView) findViewById(R.id.filmstrip_view); + mFilmStripView.setViewGap( + getResources().getDimensionPixelSize(R.dimen.camera_film_strip_gap)); + mPanoramaViewHelper = new PanoramaViewHelper(this); + mPanoramaViewHelper.onCreate(); + mFilmStripView.setPanoramaViewHelper(mPanoramaViewHelper); + // Set up the camera preview first so the preview shows up ASAP. + mFilmStripView.setListener(mFilmStripListener); + mCurrentModule = new PhotoModule(); + mCurrentModule.init(this, mRootView); + mOrientationListener = new MyOrientationEventListener(this); + mMainHandler = new Handler(getMainLooper()); + bindMediaSaveService(); + + if (!mSecureCamera) { + mDataAdapter = mWrappedDataAdapter; + mDataAdapter.requestLoad(getContentResolver()); + } else { + // Put a lock placeholder as the last image by setting its date to 0. + ImageView v = (ImageView) getLayoutInflater().inflate( + R.layout.secure_album_placeholder, null); + mDataAdapter = new FixedLastDataAdapter( + mWrappedDataAdapter, + new LocalData.LocalViewData( + v, + v.getDrawable().getIntrinsicWidth(), + v.getDrawable().getIntrinsicHeight(), + 0, 0)); + // Flush out all the original data. + mDataAdapter.flush(); + } + mFilmStripView.setDataAdapter(mDataAdapter); + } + + private void setRotationAnimation() { + int rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_ROTATE; + rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE; + Window win = getWindow(); + WindowManager.LayoutParams winParams = win.getAttributes(); + winParams.rotationAnimation = rotationAnimation; + win.setAttributes(winParams); + } + + @Override + public void onUserInteraction() { + super.onUserInteraction(); + mCurrentModule.onUserInteraction(); + } + + @Override + public void onPause() { + mOrientationListener.disable(); + mCurrentModule.onPauseBeforeSuper(); + super.onPause(); + mCurrentModule.onPauseAfterSuper(); + } + + @Override + public void onResume() { + if (Settings.System.getInt(getContentResolver(), + Settings.System.ACCELEROMETER_ROTATION, 0) == 0) {// auto-rotate off + setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED); + mAutoRotateScreen = false; + } else { + setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR); + mAutoRotateScreen = true; + } + mOrientationListener.enable(); + mCurrentModule.onResumeBeforeSuper(); + super.onResume(); + mCurrentModule.onResumeAfterSuper(); + + setSwipingEnabled(true); + } + + @Override + public void onStart() { + super.onStart(); + + mPanoramaViewHelper.onStart(); + } + + @Override + protected void onStop() { + super.onStop(); + mPanoramaViewHelper.onStop(); + } + + @Override + public void onDestroy() { + unbindMediaSaveService(); + if (mSecureCamera) unregisterReceiver(mScreenOffReceiver); + super.onDestroy(); + } + + @Override + public void onConfigurationChanged(Configuration config) { + super.onConfigurationChanged(config); + mCurrentModule.onConfigurationChanged(config); + } + + @Override + public boolean onKeyDown(int keyCode, KeyEvent event) { + if (mCurrentModule.onKeyDown(keyCode, event)) return true; + // Prevent software keyboard or voice search from showing up. + if (keyCode == KeyEvent.KEYCODE_SEARCH + || keyCode == KeyEvent.KEYCODE_MENU) { + if (event.isLongPress()) return true; + } + if (keyCode == KeyEvent.KEYCODE_MENU && mShowCameraPreview) { + return true; + } + + return super.onKeyDown(keyCode, event); + } + + @Override + public boolean onKeyUp(int keyCode, KeyEvent event) { + if (mCurrentModule.onKeyUp(keyCode, event)) return true; + if (keyCode == KeyEvent.KEYCODE_MENU && mShowCameraPreview) { + return true; + } + return super.onKeyUp(keyCode, event); + } + + public boolean isAutoRotateScreen() { + return mAutoRotateScreen; + } + + protected void updateStorageSpace() { + mStorageSpace = Storage.getAvailableSpace(); + } + + protected long getStorageSpace() { + return mStorageSpace; + } + + protected void updateStorageSpaceAndHint() { + updateStorageSpace(); + updateStorageHint(mStorageSpace); + } + + protected void updateStorageHint() { + updateStorageHint(mStorageSpace); + } + + protected boolean updateStorageHintOnResume() { + return true; + } + + protected void updateStorageHint(long storageSpace) { + String message = null; + if (storageSpace == Storage.UNAVAILABLE) { + message = getString(R.string.no_storage); + } else if (storageSpace == Storage.PREPARING) { + message = getString(R.string.preparing_sd); + } else if (storageSpace == Storage.UNKNOWN_SIZE) { + message = getString(R.string.access_sd_fail); + } else if (storageSpace <= Storage.LOW_STORAGE_THRESHOLD) { + message = getString(R.string.spaceIsLow_content); + } + + if (message != null) { + if (mStorageHint == null) { + mStorageHint = OnScreenHint.makeText(this, message); + } else { + mStorageHint.setText(message); + } + mStorageHint.show(); + } else if (mStorageHint != null) { + mStorageHint.cancel(); + mStorageHint = null; + } + } + + protected void setResultEx(int resultCode) { + mResultCodeForTesting = resultCode; + setResult(resultCode); + } + + protected void setResultEx(int resultCode, Intent data) { + mResultCodeForTesting = resultCode; + mResultDataForTesting = data; + setResult(resultCode, data); + } + + public int getResultCode() { + return mResultCodeForTesting; + } + + public Intent getResultData() { + return mResultDataForTesting; + } + + public boolean isSecureCamera() { + return mSecureCamera; + } + + @Override + public void onCameraSelected(int i) { + if (mCurrentModuleIndex == i) return; + + CameraHolder.instance().keep(); + closeModule(mCurrentModule); + mCurrentModuleIndex = i; + switch (i) { + case CameraSwitcher.VIDEO_MODULE_INDEX: + mCurrentModule = new VideoModule(); + break; + case CameraSwitcher.PHOTO_MODULE_INDEX: + mCurrentModule = new PhotoModule(); + break; + case CameraSwitcher.LIGHTCYCLE_MODULE_INDEX: + mCurrentModule = LightCycleHelper.createPanoramaModule(); + break; + case CameraSwitcher.REFOCUS_MODULE_INDEX: + mCurrentModule = RefocusHelper.createRefocusModule(); + break; + default: + break; + } + + openModule(mCurrentModule); + mCurrentModule.onOrientationChanged(mLastRawOrientation); + if (mMediaSaveService != null) { + mCurrentModule.onMediaSaveServiceConnected(mMediaSaveService); + } + } + + private void openModule(CameraModule module) { + module.init(this, mRootView); + module.onResumeBeforeSuper(); + module.onResumeAfterSuper(); + } + + private void closeModule(CameraModule module) { + module.onPauseBeforeSuper(); + module.onPauseAfterSuper(); + ((ViewGroup) mRootView).removeAllViews(); + } + + @Override + public void onShowSwitcherPopup() { + } + + public void setSwipingEnabled(boolean enable) { + mCameraPreviewData.lockPreview(!enable); + } + + // Accessor methods for getting latency times used in performance testing + public long getAutoFocusTime() { + return (mCurrentModule instanceof PhotoModule) ? + ((PhotoModule) mCurrentModule).mAutoFocusTime : -1; + } + + public long getShutterLag() { + return (mCurrentModule instanceof PhotoModule) ? + ((PhotoModule) mCurrentModule).mShutterLag : -1; + } + + public long getShutterToPictureDisplayedTime() { + return (mCurrentModule instanceof PhotoModule) ? + ((PhotoModule) mCurrentModule).mShutterToPictureDisplayedTime : -1; + } + + public long getPictureDisplayedToJpegCallbackTime() { + return (mCurrentModule instanceof PhotoModule) ? + ((PhotoModule) mCurrentModule).mPictureDisplayedToJpegCallbackTime : -1; + } + + public long getJpegCallbackFinishTime() { + return (mCurrentModule instanceof PhotoModule) ? + ((PhotoModule) mCurrentModule).mJpegCallbackFinishTime : -1; + } + + public long getCaptureStartTime() { + return (mCurrentModule instanceof PhotoModule) ? + ((PhotoModule) mCurrentModule).mCaptureStartTime : -1; + } + + public boolean isRecording() { + return (mCurrentModule instanceof VideoModule) ? + ((VideoModule) mCurrentModule).isRecording() : false; + } +} |