| /* |
| * 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.annotation.TargetApi; |
| import android.app.Activity; |
| import android.content.ContentProviderClient; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.SharedPreferences.Editor; |
| import android.content.res.Configuration; |
| import android.graphics.Bitmap; |
| import android.graphics.SurfaceTexture; |
| import android.hardware.Camera.CameraInfo; |
| import android.hardware.Camera.Parameters; |
| import android.hardware.Camera.Size; |
| import android.hardware.Sensor; |
| import android.hardware.SensorEvent; |
| import android.hardware.SensorEventListener; |
| import android.hardware.SensorManager; |
| import android.location.Location; |
| import android.media.CameraProfile; |
| import android.net.Uri; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.MessageQueue; |
| import android.os.SystemClock; |
| import android.provider.MediaStore; |
| import android.util.Log; |
| import android.view.KeyEvent; |
| import android.view.OrientationEventListener; |
| import android.view.View; |
| import android.view.WindowManager; |
| |
| import com.android.camera.CameraManager.CameraAFCallback; |
| import com.android.camera.CameraManager.CameraAFMoveCallback; |
| import com.android.camera.CameraManager.CameraPictureCallback; |
| import com.android.camera.CameraManager.CameraProxy; |
| import com.android.camera.CameraManager.CameraShutterCallback; |
| import com.android.camera.PhotoModule.NamedImages.NamedEntity; |
| import com.android.camera.exif.ExifInterface; |
| import com.android.camera.exif.ExifTag; |
| import com.android.camera.exif.Rational; |
| import com.android.camera.ui.CountDownView.OnCountDownFinishedListener; |
| import com.android.camera.ui.ModuleSwitcher; |
| import com.android.camera.ui.RotateTextToast; |
| import com.android.camera.util.ApiHelper; |
| import com.android.camera.util.CameraUtil; |
| import com.android.camera.util.GcamHelper; |
| import com.android.camera.util.UsageStatistics; |
| import com.android.camera2.R; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.List; |
| import java.util.Vector; |
| |
| public class PhotoModule |
| implements CameraModule, |
| PhotoController, |
| FocusOverlayManager.Listener, |
| CameraPreference.OnPreferenceChangedListener, |
| ShutterButton.OnShutterButtonListener, |
| MediaSaveService.Listener, |
| OnCountDownFinishedListener, |
| SensorEventListener { |
| |
| private static final String TAG = "CAM_PhotoModule"; |
| |
| // We number the request code from 1000 to avoid collision with Gallery. |
| private static final int REQUEST_CROP = 1000; |
| |
| private static final int SETUP_PREVIEW = 1; |
| private static final int FIRST_TIME_INIT = 2; |
| private static final int CLEAR_SCREEN_DELAY = 3; |
| private static final int SET_CAMERA_PARAMETERS_WHEN_IDLE = 4; |
| private static final int SHOW_TAP_TO_FOCUS_TOAST = 5; |
| private static final int SWITCH_CAMERA = 6; |
| private static final int SWITCH_CAMERA_START_ANIMATION = 7; |
| private static final int CAMERA_OPEN_DONE = 8; |
| private static final int OPEN_CAMERA_FAIL = 9; |
| private static final int CAMERA_DISABLED = 10; |
| private static final int SWITCH_TO_GCAM_MODULE = 11; |
| |
| // The subset of parameters we need to update in setCameraParameters(). |
| private static final int UPDATE_PARAM_INITIALIZE = 1; |
| private static final int UPDATE_PARAM_ZOOM = 2; |
| private static final int UPDATE_PARAM_PREFERENCE = 4; |
| private static final int UPDATE_PARAM_ALL = -1; |
| |
| // This is the timeout to keep the camera in onPause for the first time |
| // after screen on if the activity is started from secure lock screen. |
| private static final int KEEP_CAMERA_TIMEOUT = 1000; // ms |
| |
| private static final String DEBUG_IMAGE_PREFIX = "DEBUG_"; |
| |
| // copied from Camera hierarchy |
| private CameraActivity mActivity; |
| private CameraProxy mCameraDevice; |
| private int mCameraId; |
| private Parameters mParameters; |
| private boolean mPaused; |
| |
| private PhotoUI mUI; |
| |
| // The activity is going to switch to the specified camera id. This is |
| // needed because texture copy is done in GL thread. -1 means camera is not |
| // switching. |
| protected int mPendingSwitchCameraId = -1; |
| private boolean mOpenCameraFail; |
| private boolean mCameraDisabled; |
| |
| // When setCameraParametersWhenIdle() is called, we accumulate the subsets |
| // needed to be updated in mUpdateSet. |
| private int mUpdateSet; |
| |
| private static final int SCREEN_DELAY = 2 * 60 * 1000; |
| |
| private int mZoomValue; // The current zoom value. |
| |
| private Parameters mInitialParams; |
| private boolean mFocusAreaSupported; |
| private boolean mMeteringAreaSupported; |
| private boolean mAeLockSupported; |
| private boolean mAwbLockSupported; |
| private boolean mContinuousFocusSupported; |
| |
| // The degrees of the device rotated clockwise from its natural orientation. |
| private int mOrientation = OrientationEventListener.ORIENTATION_UNKNOWN; |
| private ComboPreferences mPreferences; |
| |
| private static final String sTempCropFilename = "crop-temp"; |
| |
| private ContentProviderClient mMediaProviderClient; |
| private boolean mFaceDetectionStarted = false; |
| |
| // mCropValue and mSaveUri are used only if isImageCaptureIntent() is true. |
| private String mCropValue; |
| private Uri mSaveUri; |
| |
| private Uri mDebugUri; |
| |
| // We use a queue to generated names of the images to be used later |
| // when the image is ready to be saved. |
| private NamedImages mNamedImages; |
| |
| private Runnable mDoSnapRunnable = new Runnable() { |
| @Override |
| public void run() { |
| onShutterButtonClick(); |
| } |
| }; |
| |
| /** |
| * An unpublished intent flag requesting to return as soon as capturing |
| * is completed. |
| * |
| * TODO: consider publishing by moving into MediaStore. |
| */ |
| private static final String EXTRA_QUICK_CAPTURE = |
| "android.intent.extra.quickCapture"; |
| |
| // The display rotation in degrees. This is only valid when mCameraState is |
| // not PREVIEW_STOPPED. |
| private int mDisplayRotation; |
| // The value for android.hardware.Camera.setDisplayOrientation. |
| private int mCameraDisplayOrientation; |
| // The value for UI components like indicators. |
| private int mDisplayOrientation; |
| // The value for android.hardware.Camera.Parameters.setRotation. |
| private int mJpegRotation; |
| // Indicates whether we are using front camera |
| private boolean mMirror; |
| private boolean mFirstTimeInitialized; |
| private boolean mIsImageCaptureIntent; |
| |
| private int mCameraState = PREVIEW_STOPPED; |
| private boolean mSnapshotOnIdle = false; |
| |
| private ContentResolver mContentResolver; |
| |
| private LocationManager mLocationManager; |
| |
| private final PostViewPictureCallback mPostViewPictureCallback = |
| new PostViewPictureCallback(); |
| private final RawPictureCallback mRawPictureCallback = |
| new RawPictureCallback(); |
| private final AutoFocusCallback mAutoFocusCallback = |
| new AutoFocusCallback(); |
| private final Object mAutoFocusMoveCallback = |
| ApiHelper.HAS_AUTO_FOCUS_MOVE_CALLBACK |
| ? new AutoFocusMoveCallback() |
| : null; |
| |
| private final CameraErrorCallback mErrorCallback = new CameraErrorCallback(); |
| |
| private long mFocusStartTime; |
| private long mShutterCallbackTime; |
| private long mPostViewPictureCallbackTime; |
| private long mRawPictureCallbackTime; |
| private long mJpegPictureCallbackTime; |
| private long mOnResumeTime; |
| private byte[] mJpegImageData; |
| |
| // These latency time are for the CameraLatency test. |
| public long mAutoFocusTime; |
| public long mShutterLag; |
| public long mShutterToPictureDisplayedTime; |
| public long mPictureDisplayedToJpegCallbackTime; |
| public long mJpegCallbackFinishTime; |
| public long mCaptureStartTime; |
| |
| // This handles everything about focus. |
| private FocusOverlayManager mFocusManager; |
| |
| private String mSceneMode; |
| |
| private final Handler mHandler = new MainHandler(); |
| private PreferenceGroup mPreferenceGroup; |
| |
| private boolean mQuickCapture; |
| private SensorManager mSensorManager; |
| private float[] mGData = new float[3]; |
| private float[] mMData = new float[3]; |
| private float[] mR = new float[16]; |
| private int mHeading = -1; |
| |
| // True if all the parameters needed to start preview is ready. |
| private boolean mCameraPreviewParamsReady = false; |
| |
| private MediaSaveService.OnMediaSavedListener mOnMediaSavedListener = |
| new MediaSaveService.OnMediaSavedListener() { |
| @Override |
| public void onMediaSaved(Uri uri) { |
| if (uri != null) { |
| mActivity.notifyNewMedia(uri); |
| } |
| } |
| }; |
| |
| private void checkDisplayRotation() { |
| // Set the display orientation if display rotation has changed. |
| // Sometimes this happens when the device is held upside |
| // down and camera app is opened. Rotation animation will |
| // take some time and the rotation value we have got may be |
| // wrong. Framework does not have a callback for this now. |
| if (CameraUtil.getDisplayRotation(mActivity) != mDisplayRotation) { |
| setDisplayOrientation(); |
| } |
| if (SystemClock.uptimeMillis() - mOnResumeTime < 5000) { |
| mHandler.postDelayed(new Runnable() { |
| @Override |
| public void run() { |
| checkDisplayRotation(); |
| } |
| }, 100); |
| } |
| } |
| |
| /** |
| * This Handler is used to post message back onto the main thread of the |
| * application |
| */ |
| private class MainHandler extends Handler { |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case SETUP_PREVIEW: { |
| setupPreview(); |
| break; |
| } |
| |
| case CLEAR_SCREEN_DELAY: { |
| mActivity.getWindow().clearFlags( |
| WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| break; |
| } |
| |
| case FIRST_TIME_INIT: { |
| initializeFirstTime(); |
| break; |
| } |
| |
| case SET_CAMERA_PARAMETERS_WHEN_IDLE: { |
| setCameraParametersWhenIdle(0); |
| break; |
| } |
| |
| case SHOW_TAP_TO_FOCUS_TOAST: { |
| showTapToFocusToast(); |
| break; |
| } |
| |
| case SWITCH_CAMERA: { |
| switchCamera(); |
| break; |
| } |
| |
| case SWITCH_CAMERA_START_ANIMATION: { |
| // TODO: Need to revisit |
| // ((CameraScreenNail) mActivity.mCameraScreenNail).animateSwitchCamera(); |
| break; |
| } |
| |
| case CAMERA_OPEN_DONE: { |
| onCameraOpened(); |
| break; |
| } |
| |
| case OPEN_CAMERA_FAIL: { |
| mOpenCameraFail = true; |
| CameraUtil.showErrorAndFinish(mActivity, |
| R.string.cannot_connect_camera); |
| break; |
| } |
| |
| case CAMERA_DISABLED: { |
| mCameraDisabled = true; |
| CameraUtil.showErrorAndFinish(mActivity, |
| R.string.camera_disabled); |
| break; |
| } |
| |
| case SWITCH_TO_GCAM_MODULE: { |
| mActivity.onModuleSelected(ModuleSwitcher.GCAM_MODULE_INDEX); |
| } |
| } |
| } |
| } |
| |
| |
| @Override |
| public void init(CameraActivity activity, View parent) { |
| mActivity = activity; |
| mUI = new PhotoUI(activity, this, parent); |
| mPreferences = new ComboPreferences(mActivity); |
| CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal()); |
| mCameraId = getPreferredCameraId(mPreferences); |
| |
| mContentResolver = mActivity.getContentResolver(); |
| |
| // Surface texture is from camera screen nail and startPreview needs it. |
| // This must be done before startPreview. |
| mIsImageCaptureIntent = isImageCaptureIntent(); |
| |
| mPreferences.setLocalId(mActivity, mCameraId); |
| CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); |
| // we need to reset exposure for the preview |
| resetExposureCompensation(); |
| |
| initializeControlByIntent(); |
| mQuickCapture = mActivity.getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false); |
| mLocationManager = new LocationManager(mActivity, mUI); |
| mSensorManager = (SensorManager)(mActivity.getSystemService(Context.SENSOR_SERVICE)); |
| } |
| |
| private void initializeControlByIntent() { |
| mUI.initializeControlByIntent(); |
| if (mIsImageCaptureIntent) { |
| setupCaptureParams(); |
| } |
| } |
| |
| private void onPreviewStarted() { |
| setCameraState(IDLE); |
| startFaceDetection(); |
| locationFirstRun(); |
| } |
| |
| // Prompt the user to pick to record location for the very first run of |
| // camera only |
| private void locationFirstRun() { |
| if (RecordLocationPreference.isSet(mPreferences)) { |
| return; |
| } |
| if (mActivity.isSecureCamera()) return; |
| // Check if the back camera exists |
| int backCameraId = CameraHolder.instance().getBackCameraId(); |
| if (backCameraId == -1) { |
| // If there is no back camera, do not show the prompt. |
| return; |
| } |
| mUI.showLocationDialog(); |
| } |
| |
| @Override |
| public void enableRecordingLocation(boolean enable) { |
| setLocationPreference(enable ? RecordLocationPreference.VALUE_ON |
| : RecordLocationPreference.VALUE_OFF); |
| } |
| |
| @Override |
| public void onPreviewUIReady() { |
| startPreview(); |
| } |
| |
| @Override |
| public void onPreviewUIDestroyed() { |
| if (mCameraDevice == null) { |
| return; |
| } |
| mCameraDevice.setPreviewTexture(null); |
| stopPreview(); |
| } |
| |
| private void setLocationPreference(String value) { |
| mPreferences.edit() |
| .putString(CameraSettings.KEY_RECORD_LOCATION, value) |
| .apply(); |
| // TODO: Fix this to use the actual onSharedPreferencesChanged listener |
| // instead of invoking manually |
| onSharedPreferenceChanged(); |
| } |
| |
| private void onCameraOpened() { |
| View root = mUI.getRootView(); |
| // These depend on camera parameters. |
| |
| int width = root.getWidth(); |
| int height = root.getHeight(); |
| mFocusManager.setPreviewSize(width, height); |
| openCameraCommon(); |
| } |
| |
| private void switchCamera() { |
| if (mPaused) return; |
| |
| Log.v(TAG, "Start to switch camera. id=" + mPendingSwitchCameraId); |
| mCameraId = mPendingSwitchCameraId; |
| mPendingSwitchCameraId = -1; |
| setCameraId(mCameraId); |
| |
| // from onPause |
| closeCamera(); |
| mUI.collapseCameraControls(); |
| mUI.clearFaces(); |
| if (mFocusManager != null) mFocusManager.removeMessages(); |
| |
| // Restart the camera and initialize the UI. From onCreate. |
| mPreferences.setLocalId(mActivity, mCameraId); |
| CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); |
| mCameraDevice = CameraUtil.openCamera( |
| mActivity, mCameraId, mHandler, |
| mActivity.getCameraOpenErrorCallback()); |
| if (mCameraDevice == null) { |
| Log.e(TAG, "Failed to open camera:" + mCameraId + ", aborting."); |
| return; |
| } |
| mParameters = mCameraDevice.getParameters(); |
| initializeCapabilities(); |
| CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; |
| mMirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); |
| mFocusManager.setMirror(mMirror); |
| mFocusManager.setParameters(mInitialParams); |
| setupPreview(); |
| |
| // reset zoom value index |
| mZoomValue = 0; |
| openCameraCommon(); |
| |
| // Start switch camera animation. Post a message because |
| // onFrameAvailable from the old camera may already exist. |
| mHandler.sendEmptyMessage(SWITCH_CAMERA_START_ANIMATION); |
| } |
| |
| protected void setCameraId(int cameraId) { |
| ListPreference pref = mPreferenceGroup.findPreference(CameraSettings.KEY_CAMERA_ID); |
| pref.setValue("" + cameraId); |
| } |
| |
| // either open a new camera or switch cameras |
| private void openCameraCommon() { |
| loadCameraPreferences(); |
| |
| mUI.onCameraOpened(mPreferenceGroup, mPreferences, mParameters, this); |
| if (mIsImageCaptureIntent) { |
| mUI.overrideSettings(CameraSettings.KEY_CAMERA_HDR_PLUS, |
| mActivity.getString(R.string.setting_off_value)); |
| } |
| updateSceneMode(); |
| showTapToFocusToastIfNeeded(); |
| |
| |
| } |
| |
| @Override |
| public void onScreenSizeChanged(int width, int height) { |
| if (mFocusManager != null) mFocusManager.setPreviewSize(width, height); |
| } |
| |
| private void resetExposureCompensation() { |
| String value = mPreferences.getString(CameraSettings.KEY_EXPOSURE, |
| CameraSettings.EXPOSURE_DEFAULT_VALUE); |
| if (!CameraSettings.EXPOSURE_DEFAULT_VALUE.equals(value)) { |
| Editor editor = mPreferences.edit(); |
| editor.putString(CameraSettings.KEY_EXPOSURE, "0"); |
| editor.apply(); |
| } |
| } |
| |
| private void keepMediaProviderInstance() { |
| // We want to keep a reference to MediaProvider in camera's lifecycle. |
| // TODO: Utilize mMediaProviderClient instance to replace |
| // ContentResolver calls. |
| if (mMediaProviderClient == null) { |
| mMediaProviderClient = mContentResolver |
| .acquireContentProviderClient(MediaStore.AUTHORITY); |
| } |
| } |
| |
| // Snapshots can only be taken after this is called. It should be called |
| // once only. We could have done these things in onCreate() but we want to |
| // make preview screen appear as soon as possible. |
| private void initializeFirstTime() { |
| if (mFirstTimeInitialized || mPaused) { |
| return; |
| } |
| |
| // Initialize location service. |
| boolean recordLocation = RecordLocationPreference.get( |
| mPreferences, mContentResolver); |
| mLocationManager.recordLocation(recordLocation); |
| |
| keepMediaProviderInstance(); |
| |
| mUI.initializeFirstTime(); |
| MediaSaveService s = mActivity.getMediaSaveService(); |
| // We set the listener only when both service and shutterbutton |
| // are initialized. |
| if (s != null) { |
| s.setListener(this); |
| } |
| |
| mNamedImages = new NamedImages(); |
| |
| mFirstTimeInitialized = true; |
| addIdleHandler(); |
| |
| mActivity.updateStorageSpaceAndHint(); |
| } |
| |
| // If the activity is paused and resumed, this method will be called in |
| // onResume. |
| private void initializeSecondTime() { |
| // Start location update if needed. |
| boolean recordLocation = RecordLocationPreference.get( |
| mPreferences, mContentResolver); |
| mLocationManager.recordLocation(recordLocation); |
| MediaSaveService s = mActivity.getMediaSaveService(); |
| if (s != null) { |
| s.setListener(this); |
| } |
| mNamedImages = new NamedImages(); |
| mUI.initializeSecondTime(mParameters); |
| keepMediaProviderInstance(); |
| } |
| |
| private void showTapToFocusToastIfNeeded() { |
| // Show the tap to focus toast if this is the first start. |
| if (mFocusAreaSupported && |
| mPreferences.getBoolean(CameraSettings.KEY_CAMERA_FIRST_USE_HINT_SHOWN, true)) { |
| // Delay the toast for one second to wait for orientation. |
| mHandler.sendEmptyMessageDelayed(SHOW_TAP_TO_FOCUS_TOAST, 1000); |
| } |
| } |
| |
| private void addIdleHandler() { |
| MessageQueue queue = Looper.myQueue(); |
| queue.addIdleHandler(new MessageQueue.IdleHandler() { |
| @Override |
| public boolean queueIdle() { |
| Storage.ensureOSXCompatible(); |
| return false; |
| } |
| }); |
| } |
| |
| @Override |
| public void startFaceDetection() { |
| if (mFaceDetectionStarted) return; |
| if (mParameters.getMaxNumDetectedFaces() > 0) { |
| mFaceDetectionStarted = true; |
| CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; |
| mUI.onStartFaceDetection(mDisplayOrientation, |
| (info.facing == CameraInfo.CAMERA_FACING_FRONT)); |
| mCameraDevice.setFaceDetectionCallback(mHandler, mUI); |
| mCameraDevice.startFaceDetection(); |
| } |
| } |
| |
| @Override |
| public void stopFaceDetection() { |
| if (!mFaceDetectionStarted) return; |
| if (mParameters.getMaxNumDetectedFaces() > 0) { |
| mFaceDetectionStarted = false; |
| mCameraDevice.setFaceDetectionCallback(null, null); |
| mCameraDevice.stopFaceDetection(); |
| mUI.clearFaces(); |
| } |
| } |
| |
| private final class ShutterCallback |
| implements CameraShutterCallback { |
| |
| private boolean mNeedsAnimation; |
| |
| public ShutterCallback(boolean needsAnimation) { |
| mNeedsAnimation = needsAnimation; |
| } |
| |
| @Override |
| public void onShutter(CameraProxy camera) { |
| mShutterCallbackTime = System.currentTimeMillis(); |
| mShutterLag = mShutterCallbackTime - mCaptureStartTime; |
| Log.v(TAG, "mShutterLag = " + mShutterLag + "ms"); |
| if (mNeedsAnimation) { |
| mActivity.runOnUiThread(new Runnable() { |
| @Override |
| public void run() { |
| animateAfterShutter(); |
| } |
| }); |
| } |
| } |
| } |
| |
| private final class PostViewPictureCallback |
| implements CameraPictureCallback { |
| @Override |
| public void onPictureTaken(byte [] data, CameraProxy camera) { |
| mPostViewPictureCallbackTime = System.currentTimeMillis(); |
| Log.v(TAG, "mShutterToPostViewCallbackTime = " |
| + (mPostViewPictureCallbackTime - mShutterCallbackTime) |
| + "ms"); |
| } |
| } |
| |
| private final class RawPictureCallback |
| implements CameraPictureCallback { |
| @Override |
| public void onPictureTaken(byte [] rawData, CameraProxy camera) { |
| mRawPictureCallbackTime = System.currentTimeMillis(); |
| Log.v(TAG, "mShutterToRawCallbackTime = " |
| + (mRawPictureCallbackTime - mShutterCallbackTime) + "ms"); |
| } |
| } |
| |
| private final class JpegPictureCallback |
| implements CameraPictureCallback { |
| Location mLocation; |
| |
| public JpegPictureCallback(Location loc) { |
| mLocation = loc; |
| } |
| |
| @Override |
| public void onPictureTaken(final byte [] jpegData, CameraProxy camera) { |
| mUI.enableShutter(true); |
| if (mPaused) { |
| return; |
| } |
| if (mIsImageCaptureIntent) { |
| stopPreview(); |
| } |
| if (mSceneMode == CameraUtil.SCENE_MODE_HDR) { |
| mUI.showSwitcher(); |
| mUI.setSwipingEnabled(true); |
| } |
| |
| mJpegPictureCallbackTime = System.currentTimeMillis(); |
| // If postview callback has arrived, the captured image is displayed |
| // in postview callback. If not, the captured image is displayed in |
| // raw picture callback. |
| if (mPostViewPictureCallbackTime != 0) { |
| mShutterToPictureDisplayedTime = |
| mPostViewPictureCallbackTime - mShutterCallbackTime; |
| mPictureDisplayedToJpegCallbackTime = |
| mJpegPictureCallbackTime - mPostViewPictureCallbackTime; |
| } else { |
| mShutterToPictureDisplayedTime = |
| mRawPictureCallbackTime - mShutterCallbackTime; |
| mPictureDisplayedToJpegCallbackTime = |
| mJpegPictureCallbackTime - mRawPictureCallbackTime; |
| } |
| Log.v(TAG, "mPictureDisplayedToJpegCallbackTime = " |
| + mPictureDisplayedToJpegCallbackTime + "ms"); |
| |
| mFocusManager.updateFocusUI(); // Ensure focus indicator is hidden. |
| if (!mIsImageCaptureIntent) { |
| setupPreview(); |
| } |
| |
| ExifInterface exif = Exif.getExif(jpegData); |
| int orientation = Exif.getOrientation(exif); |
| |
| if (!mIsImageCaptureIntent) { |
| // Calculate the width and the height of the jpeg. |
| Size s = mParameters.getPictureSize(); |
| int width, height; |
| if ((mJpegRotation + orientation) % 180 == 0) { |
| width = s.width; |
| height = s.height; |
| } else { |
| width = s.height; |
| height = s.width; |
| } |
| NamedEntity name = mNamedImages.getNextNameEntity(); |
| String title = (name == null) ? null : name.title; |
| long date = (name == null) ? -1 : name.date; |
| |
| // Handle debug mode outputs |
| if (mDebugUri != null) { |
| // If using a debug uri, save jpeg there. |
| saveToDebugUri(jpegData); |
| |
| // Adjust the title of the debug image shown in mediastore. |
| if (title != null) { |
| title = DEBUG_IMAGE_PREFIX + title; |
| } |
| } |
| |
| if (title == null) { |
| Log.e(TAG, "Unbalanced name/data pair"); |
| } else { |
| if (date == -1) date = mCaptureStartTime; |
| if (mHeading >= 0) { |
| // heading direction has been updated by the sensor. |
| ExifTag directionRefTag = exif.buildTag( |
| ExifInterface.TAG_GPS_IMG_DIRECTION_REF, |
| ExifInterface.GpsTrackRef.MAGNETIC_DIRECTION); |
| ExifTag directionTag = exif.buildTag( |
| ExifInterface.TAG_GPS_IMG_DIRECTION, |
| new Rational(mHeading, 1)); |
| exif.setTag(directionRefTag); |
| exif.setTag(directionTag); |
| } |
| mActivity.getMediaSaveService().addImage( |
| jpegData, title, date, mLocation, width, height, |
| orientation, exif, mOnMediaSavedListener, mContentResolver); |
| } |
| // Animate capture with real jpeg data instead of a preview frame. |
| mUI.animateCapture(jpegData, orientation, mMirror); |
| } else { |
| mJpegImageData = jpegData; |
| if (!mQuickCapture) { |
| mUI.showCapturedImageForReview(jpegData, orientation, mMirror); |
| } else { |
| onCaptureDone(); |
| } |
| } |
| |
| // Check this in advance of each shot so we don't add to shutter |
| // latency. It's true that someone else could write to the SD card in |
| // the mean time and fill it, but that could have happened between the |
| // shutter press and saving the JPEG too. |
| mActivity.updateStorageSpaceAndHint(); |
| |
| long now = System.currentTimeMillis(); |
| mJpegCallbackFinishTime = now - mJpegPictureCallbackTime; |
| Log.v(TAG, "mJpegCallbackFinishTime = " |
| + mJpegCallbackFinishTime + "ms"); |
| mJpegPictureCallbackTime = 0; |
| } |
| } |
| |
| private final class AutoFocusCallback implements CameraAFCallback { |
| @Override |
| public void onAutoFocus( |
| boolean focused, CameraProxy camera) { |
| if (mPaused) return; |
| |
| mAutoFocusTime = System.currentTimeMillis() - mFocusStartTime; |
| Log.v(TAG, "mAutoFocusTime = " + mAutoFocusTime + "ms"); |
| setCameraState(IDLE); |
| mFocusManager.onAutoFocus(focused, mUI.isShutterPressed()); |
| } |
| } |
| |
| @TargetApi(Build.VERSION_CODES.JELLY_BEAN) |
| private final class AutoFocusMoveCallback |
| implements CameraAFMoveCallback { |
| @Override |
| public void onAutoFocusMoving( |
| boolean moving, CameraProxy camera) { |
| mFocusManager.onAutoFocusMoving(moving); |
| } |
| } |
| |
| /** |
| * This class is just a thread-safe queue for name,date holder objects. |
| */ |
| public static class NamedImages { |
| private Vector<NamedEntity> mQueue; |
| |
| public NamedImages() { |
| mQueue = new Vector<NamedEntity>(); |
| } |
| |
| public void nameNewImage(long date) { |
| NamedEntity r = new NamedEntity(); |
| r.title = CameraUtil.createJpegName(date); |
| r.date = date; |
| mQueue.add(r); |
| } |
| |
| public NamedEntity getNextNameEntity() { |
| synchronized(mQueue) { |
| if (!mQueue.isEmpty()) { |
| return mQueue.remove(0); |
| } |
| } |
| return null; |
| } |
| |
| public static class NamedEntity { |
| public String title; |
| public long date; |
| } |
| } |
| |
| private void setCameraState(int state) { |
| mCameraState = state; |
| switch (state) { |
| case PhotoController.PREVIEW_STOPPED: |
| case PhotoController.SNAPSHOT_IN_PROGRESS: |
| case PhotoController.SWITCHING_CAMERA: |
| mUI.enableGestures(false); |
| break; |
| case PhotoController.IDLE: |
| mUI.enableGestures(true); |
| break; |
| } |
| } |
| |
| private void animateAfterShutter() { |
| // Only animate when in full screen capture mode |
| // i.e. If monkey/a user swipes to the gallery during picture taking, |
| // don't show animation |
| if (!mIsImageCaptureIntent) { |
| mUI.animateFlash(); |
| } |
| } |
| |
| @Override |
| public boolean capture() { |
| // If we are already in the middle of taking a snapshot or the image save request |
| // is full then ignore. |
| if (mCameraDevice == null || mCameraState == SNAPSHOT_IN_PROGRESS |
| || mCameraState == SWITCHING_CAMERA |
| || mActivity.getMediaSaveService().isQueueFull()) { |
| return false; |
| } |
| mCaptureStartTime = System.currentTimeMillis(); |
| mPostViewPictureCallbackTime = 0; |
| mJpegImageData = null; |
| |
| final boolean animateBefore = (mSceneMode == CameraUtil.SCENE_MODE_HDR); |
| |
| if (animateBefore) { |
| animateAfterShutter(); |
| } |
| |
| // Set rotation and gps data. |
| int orientation; |
| // We need to be consistent with the framework orientation (i.e. the |
| // orientation of the UI.) when the auto-rotate screen setting is on. |
| if (mActivity.isAutoRotateScreen()) { |
| orientation = (360 - mDisplayRotation) % 360; |
| } else { |
| orientation = mOrientation; |
| } |
| mJpegRotation = CameraUtil.getJpegRotation(mCameraId, orientation); |
| mParameters.setRotation(mJpegRotation); |
| Location loc = mLocationManager.getCurrentLocation(); |
| CameraUtil.setGpsParameters(mParameters, loc); |
| mCameraDevice.setParameters(mParameters); |
| |
| // We don't want user to press the button again while taking a |
| // multi-second HDR photo. |
| mUI.enableShutter(false); |
| mCameraDevice.takePicture(mHandler, |
| new ShutterCallback(!animateBefore), |
| mRawPictureCallback, mPostViewPictureCallback, |
| new JpegPictureCallback(loc)); |
| |
| mNamedImages.nameNewImage(mCaptureStartTime); |
| |
| mFaceDetectionStarted = false; |
| setCameraState(SNAPSHOT_IN_PROGRESS); |
| UsageStatistics.onEvent(UsageStatistics.COMPONENT_CAMERA, |
| UsageStatistics.ACTION_CAPTURE_DONE, "Photo"); |
| return true; |
| } |
| |
| @Override |
| public void setFocusParameters() { |
| setCameraParameters(UPDATE_PARAM_PREFERENCE); |
| } |
| |
| private int getPreferredCameraId(ComboPreferences preferences) { |
| int intentCameraId = CameraUtil.getCameraFacingIntentExtras(mActivity); |
| if (intentCameraId != -1) { |
| // Testing purpose. Launch a specific camera through the intent |
| // extras. |
| return intentCameraId; |
| } else { |
| return CameraSettings.readPreferredCameraId(preferences); |
| } |
| } |
| |
| private void updateSceneMode() { |
| // If scene mode is set, we cannot set flash mode, white balance, and |
| // focus mode, instead, we read it from driver |
| if (!Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { |
| overrideCameraSettings(mParameters.getFlashMode(), |
| mParameters.getWhiteBalance(), mParameters.getFocusMode()); |
| } else { |
| overrideCameraSettings(null, null, null); |
| } |
| } |
| |
| private void overrideCameraSettings(final String flashMode, |
| final String whiteBalance, final String focusMode) { |
| mUI.overrideSettings( |
| CameraSettings.KEY_FLASH_MODE, flashMode, |
| CameraSettings.KEY_WHITE_BALANCE, whiteBalance, |
| CameraSettings.KEY_FOCUS_MODE, focusMode); |
| } |
| |
| private void loadCameraPreferences() { |
| CameraSettings settings = new CameraSettings(mActivity, mInitialParams, |
| mCameraId, CameraHolder.instance().getCameraInfo()); |
| mPreferenceGroup = settings.getPreferenceGroup(R.xml.camera_preferences); |
| } |
| |
| @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 == OrientationEventListener.ORIENTATION_UNKNOWN) return; |
| mOrientation = CameraUtil.roundOrientation(orientation, mOrientation); |
| |
| // Show the toast after getting the first orientation changed. |
| if (mHandler.hasMessages(SHOW_TAP_TO_FOCUS_TOAST)) { |
| mHandler.removeMessages(SHOW_TAP_TO_FOCUS_TOAST); |
| showTapToFocusToast(); |
| } |
| } |
| |
| @Override |
| public void onStop() { |
| if (mMediaProviderClient != null) { |
| mMediaProviderClient.release(); |
| mMediaProviderClient = null; |
| } |
| } |
| |
| @Override |
| public void onCaptureCancelled() { |
| mActivity.setResultEx(Activity.RESULT_CANCELED, new Intent()); |
| mActivity.finish(); |
| } |
| |
| @Override |
| public void onCaptureRetake() { |
| if (mPaused) |
| return; |
| mUI.hidePostCaptureAlert(); |
| setupPreview(); |
| } |
| |
| @Override |
| public void onCaptureDone() { |
| if (mPaused) { |
| return; |
| } |
| |
| byte[] data = mJpegImageData; |
| |
| if (mCropValue == null) { |
| // First handle the no crop case -- just return the value. If the |
| // caller specifies a "save uri" then write the data to its |
| // stream. Otherwise, pass back a scaled down version of the bitmap |
| // directly in the extras. |
| if (mSaveUri != null) { |
| OutputStream outputStream = null; |
| try { |
| outputStream = mContentResolver.openOutputStream(mSaveUri); |
| outputStream.write(data); |
| outputStream.close(); |
| |
| mActivity.setResultEx(Activity.RESULT_OK); |
| mActivity.finish(); |
| } catch (IOException ex) { |
| // ignore exception |
| } finally { |
| CameraUtil.closeSilently(outputStream); |
| } |
| } else { |
| ExifInterface exif = Exif.getExif(data); |
| int orientation = Exif.getOrientation(exif); |
| Bitmap bitmap = CameraUtil.makeBitmap(data, 50 * 1024); |
| bitmap = CameraUtil.rotate(bitmap, orientation); |
| mActivity.setResultEx(Activity.RESULT_OK, |
| new Intent("inline-data").putExtra("data", bitmap)); |
| mActivity.finish(); |
| } |
| } else { |
| // Save the image to a temp file and invoke the cropper |
| Uri tempUri = null; |
| FileOutputStream tempStream = null; |
| try { |
| File path = mActivity.getFileStreamPath(sTempCropFilename); |
| path.delete(); |
| tempStream = mActivity.openFileOutput(sTempCropFilename, 0); |
| tempStream.write(data); |
| tempStream.close(); |
| tempUri = Uri.fromFile(path); |
| } catch (FileNotFoundException ex) { |
| mActivity.setResultEx(Activity.RESULT_CANCELED); |
| mActivity.finish(); |
| return; |
| } catch (IOException ex) { |
| mActivity.setResultEx(Activity.RESULT_CANCELED); |
| mActivity.finish(); |
| return; |
| } finally { |
| CameraUtil.closeSilently(tempStream); |
| } |
| |
| Bundle newExtras = new Bundle(); |
| if (mCropValue.equals("circle")) { |
| newExtras.putString("circleCrop", "true"); |
| } |
| if (mSaveUri != null) { |
| newExtras.putParcelable(MediaStore.EXTRA_OUTPUT, mSaveUri); |
| } else { |
| newExtras.putBoolean(CameraUtil.KEY_RETURN_DATA, true); |
| } |
| if (mActivity.isSecureCamera()) { |
| newExtras.putBoolean(CameraUtil.KEY_SHOW_WHEN_LOCKED, true); |
| } |
| |
| // TODO: Share this constant. |
| final String CROP_ACTION = "com.android.camera.action.CROP"; |
| Intent cropIntent = new Intent(CROP_ACTION); |
| |
| cropIntent.setData(tempUri); |
| cropIntent.putExtras(newExtras); |
| |
| mActivity.startActivityForResult(cropIntent, REQUEST_CROP); |
| } |
| } |
| |
| @Override |
| public void onShutterButtonFocus(boolean pressed) { |
| if (mPaused || mUI.collapseCameraControls() |
| || (mCameraState == SNAPSHOT_IN_PROGRESS) |
| || (mCameraState == PREVIEW_STOPPED)) return; |
| |
| // Do not do focus if there is not enough storage. |
| if (pressed && !canTakePicture()) return; |
| |
| if (pressed) { |
| mFocusManager.onShutterDown(); |
| } else { |
| // for countdown mode, we need to postpone the shutter release |
| // i.e. lock the focus during countdown. |
| if (!mUI.isCountingDown()) { |
| mFocusManager.onShutterUp(); |
| } |
| } |
| } |
| |
| @Override |
| public void onShutterButtonClick() { |
| if (mPaused || mUI.collapseCameraControls() |
| || (mCameraState == SWITCHING_CAMERA) |
| || (mCameraState == PREVIEW_STOPPED)) return; |
| |
| // Do not take the picture if there is not enough storage. |
| if (mActivity.getStorageSpaceBytes() <= Storage.LOW_STORAGE_THRESHOLD_BYTES) { |
| Log.i(TAG, "Not enough space or storage not ready. remaining=" |
| + mActivity.getStorageSpaceBytes()); |
| return; |
| } |
| Log.v(TAG, "onShutterButtonClick: mCameraState=" + mCameraState); |
| |
| if (mSceneMode == CameraUtil.SCENE_MODE_HDR) { |
| mUI.hideSwitcher(); |
| mUI.setSwipingEnabled(false); |
| } |
| // If the user wants to do a snapshot while the previous one is still |
| // in progress, remember the fact and do it after we finish the previous |
| // one and re-start the preview. Snapshot in progress also includes the |
| // state that autofocus is focusing and a picture will be taken when |
| // focus callback arrives. |
| if ((mFocusManager.isFocusingSnapOnFinish() || mCameraState == SNAPSHOT_IN_PROGRESS) |
| && !mIsImageCaptureIntent) { |
| mSnapshotOnIdle = true; |
| return; |
| } |
| |
| String timer = mPreferences.getString( |
| CameraSettings.KEY_TIMER, |
| mActivity.getString(R.string.pref_camera_timer_default)); |
| boolean playSound = mPreferences.getString(CameraSettings.KEY_TIMER_SOUND_EFFECTS, |
| mActivity.getString(R.string.pref_camera_timer_sound_default)) |
| .equals(mActivity.getString(R.string.setting_on_value)); |
| |
| int seconds = Integer.parseInt(timer); |
| // When shutter button is pressed, check whether the previous countdown is |
| // finished. If not, cancel the previous countdown and start a new one. |
| if (mUI.isCountingDown()) { |
| mUI.cancelCountDown(); |
| } |
| if (seconds > 0) { |
| mUI.startCountDown(seconds, playSound); |
| } else { |
| mSnapshotOnIdle = false; |
| mFocusManager.doSnap(); |
| } |
| } |
| |
| @Override |
| public void installIntentFilter() { |
| // Do nothing. |
| } |
| |
| @Override |
| public boolean updateStorageHintOnResume() { |
| return mFirstTimeInitialized; |
| } |
| |
| @Override |
| public void onResumeBeforeSuper() { |
| mPaused = false; |
| } |
| |
| /** |
| * Opens the camera device. |
| * |
| * @return Whether the camera was opened successfully. |
| */ |
| private boolean prepareCamera() { |
| // We need to check whether the activity is paused before long |
| // operations to ensure that onPause() can be done ASAP. |
| mCameraDevice = CameraUtil.openCamera( |
| mActivity, mCameraId, mHandler, |
| mActivity.getCameraOpenErrorCallback()); |
| if (mCameraDevice == null) { |
| Log.e(TAG, "Failed to open camera:" + mCameraId); |
| return false; |
| } |
| mParameters = mCameraDevice.getParameters(); |
| |
| initializeCapabilities(); |
| if (mFocusManager == null) initializeFocusManager(); |
| setCameraParameters(UPDATE_PARAM_ALL); |
| mHandler.sendEmptyMessage(CAMERA_OPEN_DONE); |
| mCameraPreviewParamsReady = true; |
| startPreview(); |
| mOnResumeTime = SystemClock.uptimeMillis(); |
| checkDisplayRotation(); |
| return true; |
| } |
| |
| |
| @Override |
| public void onResumeAfterSuper() { |
| Log.v(TAG, "On resume."); |
| if (mOpenCameraFail || mCameraDisabled) return; |
| |
| mJpegPictureCallbackTime = 0; |
| mZoomValue = 0; |
| resetExposureCompensation(); |
| if (!prepareCamera()) { |
| // Camera failure. |
| return; |
| } |
| |
| // If first time initialization is not finished, put it in the |
| // message queue. |
| if (!mFirstTimeInitialized) { |
| mHandler.sendEmptyMessage(FIRST_TIME_INIT); |
| } else { |
| initializeSecondTime(); |
| } |
| mUI.initDisplayChangeListener(); |
| keepScreenOnAwhile(); |
| |
| UsageStatistics.onContentViewChanged( |
| UsageStatistics.COMPONENT_CAMERA, "PhotoModule"); |
| |
| Sensor gsensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); |
| if (gsensor != null) { |
| mSensorManager.registerListener(this, gsensor, SensorManager.SENSOR_DELAY_NORMAL); |
| } |
| |
| Sensor msensor = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD); |
| if (msensor != null) { |
| mSensorManager.registerListener(this, msensor, SensorManager.SENSOR_DELAY_NORMAL); |
| } |
| } |
| |
| @Override |
| public void onPauseBeforeSuper() { |
| mPaused = true; |
| Sensor gsensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); |
| if (gsensor != null) { |
| mSensorManager.unregisterListener(this, gsensor); |
| } |
| |
| Sensor msensor = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD); |
| if (msensor != null) { |
| mSensorManager.unregisterListener(this, msensor); |
| } |
| } |
| |
| @Override |
| public void onPauseAfterSuper() { |
| Log.v(TAG, "On pause."); |
| mUI.showPreviewCover(); |
| // When camera is started from secure lock screen for the first time |
| // after screen on, the activity gets onCreate->onResume->onPause->onResume. |
| // To reduce the latency, keep the camera for a short time so it does |
| // not need to be opened again. |
| if (mCameraDevice != null && mActivity.isSecureCamera() |
| && CameraActivity.isFirstStartAfterScreenOn()) { |
| CameraActivity.resetFirstStartAfterScreenOn(); |
| CameraHolder.instance().keep(KEEP_CAMERA_TIMEOUT); |
| } |
| // Reset the focus first. Camera CTS does not guarantee that |
| // cancelAutoFocus is allowed after preview stops. |
| if (mCameraDevice != null && mCameraState != PREVIEW_STOPPED) { |
| mCameraDevice.cancelAutoFocus(); |
| } |
| stopPreview(); |
| |
| mNamedImages = null; |
| |
| if (mLocationManager != null) mLocationManager.recordLocation(false); |
| |
| // If we are in an image capture intent and has taken |
| // a picture, we just clear it in onPause. |
| mJpegImageData = null; |
| |
| // Remove the messages and runnables in the queue. |
| mHandler.removeCallbacksAndMessages(null); |
| |
| closeCamera(); |
| |
| resetScreenOn(); |
| mUI.onPause(); |
| |
| mPendingSwitchCameraId = -1; |
| if (mFocusManager != null) mFocusManager.removeMessages(); |
| MediaSaveService s = mActivity.getMediaSaveService(); |
| if (s != null) { |
| s.setListener(null); |
| } |
| mUI.removeDisplayChangeListener(); |
| } |
| |
| /** |
| * The focus manager is the first UI related element to get initialized, |
| * and it requires the RenderOverlay, so initialize it here |
| */ |
| private void initializeFocusManager() { |
| // Create FocusManager object. startPreview needs it. |
| // if mFocusManager not null, reuse it |
| // otherwise create a new instance |
| if (mFocusManager != null) { |
| mFocusManager.removeMessages(); |
| } else { |
| CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId]; |
| mMirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); |
| String[] defaultFocusModes = mActivity.getResources().getStringArray( |
| R.array.pref_camera_focusmode_default_array); |
| mFocusManager = new FocusOverlayManager(mPreferences, defaultFocusModes, |
| mInitialParams, this, mMirror, |
| mActivity.getMainLooper(), mUI); |
| } |
| } |
| |
| @Override |
| public void onConfigurationChanged(Configuration newConfig) { |
| Log.v(TAG, "onConfigurationChanged"); |
| setDisplayOrientation(); |
| } |
| |
| @Override |
| public void updateCameraOrientation() { |
| if (mDisplayRotation != CameraUtil.getDisplayRotation(mActivity)) { |
| setDisplayOrientation(); |
| } |
| } |
| |
| @Override |
| public void onActivityResult( |
| int requestCode, int resultCode, Intent data) { |
| switch (requestCode) { |
| case REQUEST_CROP: { |
| Intent intent = new Intent(); |
| if (data != null) { |
| Bundle extras = data.getExtras(); |
| if (extras != null) { |
| intent.putExtras(extras); |
| } |
| } |
| mActivity.setResultEx(resultCode, intent); |
| mActivity.finish(); |
| |
| File path = mActivity.getFileStreamPath(sTempCropFilename); |
| path.delete(); |
| |
| break; |
| } |
| } |
| } |
| |
| private boolean canTakePicture() { |
| return isCameraIdle() && (mActivity.getStorageSpaceBytes() > Storage.LOW_STORAGE_THRESHOLD_BYTES); |
| } |
| |
| @Override |
| public void autoFocus() { |
| mFocusStartTime = System.currentTimeMillis(); |
| mCameraDevice.autoFocus(mHandler, mAutoFocusCallback); |
| setCameraState(FOCUSING); |
| } |
| |
| @Override |
| public void cancelAutoFocus() { |
| mCameraDevice.cancelAutoFocus(); |
| setCameraState(IDLE); |
| setCameraParameters(UPDATE_PARAM_PREFERENCE); |
| } |
| |
| // Preview area is touched. Handle touch focus. |
| @Override |
| public void onSingleTapUp(View view, int x, int y) { |
| if (mPaused || mCameraDevice == null || !mFirstTimeInitialized |
| || mCameraState == SNAPSHOT_IN_PROGRESS |
| || mCameraState == SWITCHING_CAMERA |
| || mCameraState == PREVIEW_STOPPED) { |
| return; |
| } |
| |
| // Check if metering area or focus area is supported. |
| if (!mFocusAreaSupported && !mMeteringAreaSupported) return; |
| mFocusManager.onSingleTapUp(x, y); |
| } |
| |
| @Override |
| public boolean onBackPressed() { |
| return mUI.onBackPressed(); |
| } |
| |
| @Override |
| public boolean onKeyDown(int keyCode, KeyEvent event) { |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_VOLUME_UP: |
| case KeyEvent.KEYCODE_VOLUME_DOWN: |
| case KeyEvent.KEYCODE_FOCUS: |
| if (/*TODO: mActivity.isInCameraApp() &&*/ mFirstTimeInitialized) { |
| if (event.getRepeatCount() == 0) { |
| onShutterButtonFocus(true); |
| } |
| return true; |
| } |
| return false; |
| case KeyEvent.KEYCODE_CAMERA: |
| if (mFirstTimeInitialized && event.getRepeatCount() == 0) { |
| onShutterButtonClick(); |
| } |
| return true; |
| case KeyEvent.KEYCODE_DPAD_CENTER: |
| // If we get a dpad center event without any focused view, move |
| // the focus to the shutter button and press it. |
| if (mFirstTimeInitialized && event.getRepeatCount() == 0) { |
| // Start auto-focus immediately to reduce shutter lag. After |
| // the shutter button gets the focus, onShutterButtonFocus() |
| // will be called again but it is fine. |
| onShutterButtonFocus(true); |
| mUI.pressShutterButton(); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean onKeyUp(int keyCode, KeyEvent event) { |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_VOLUME_UP: |
| case KeyEvent.KEYCODE_VOLUME_DOWN: |
| if (/*mActivity.isInCameraApp() && */ mFirstTimeInitialized) { |
| onShutterButtonClick(); |
| return true; |
| } |
| return false; |
| case KeyEvent.KEYCODE_FOCUS: |
| if (mFirstTimeInitialized) { |
| onShutterButtonFocus(false); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| private void closeCamera() { |
| if (mCameraDevice != null) { |
| mCameraDevice.setZoomChangeListener(null); |
| mCameraDevice.setFaceDetectionCallback(null, null); |
| mCameraDevice.setErrorCallback(null); |
| CameraHolder.instance().release(); |
| mFaceDetectionStarted = false; |
| mCameraDevice = null; |
| setCameraState(PREVIEW_STOPPED); |
| mFocusManager.onCameraReleased(); |
| } |
| } |
| |
| private void setDisplayOrientation() { |
| mDisplayRotation = CameraUtil.getDisplayRotation(mActivity); |
| mDisplayOrientation = CameraUtil.getDisplayOrientation(mDisplayRotation, mCameraId); |
| mCameraDisplayOrientation = mDisplayOrientation; |
| mUI.setDisplayOrientation(mDisplayOrientation); |
| if (mFocusManager != null) { |
| mFocusManager.setDisplayOrientation(mDisplayOrientation); |
| } |
| // Change the camera display orientation |
| if (mCameraDevice != null) { |
| mCameraDevice.setDisplayOrientation(mCameraDisplayOrientation); |
| } |
| } |
| |
| /** Only called by UI thread. */ |
| private void setupPreview() { |
| mFocusManager.resetTouchFocus(); |
| startPreview(); |
| } |
| |
| // This can only be called by UI Thread. |
| private void startPreview() { |
| if (mPaused || mCameraDevice == null) { |
| return; |
| } |
| SurfaceTexture st = mUI.getSurfaceTexture(); |
| if (st == null) { |
| Log.w(TAG, "startPreview: surfaceTexture is not ready."); |
| return; |
| } |
| if (!mCameraPreviewParamsReady) { |
| Log.w(TAG, "startPreview: parameters for preview is not ready."); |
| return; |
| } |
| mCameraDevice.setErrorCallback(mErrorCallback); |
| |
| // ICS camera frameworks has a bug. Face detection state is not cleared |
| // after taking a picture. Stop the preview to work around it. The bug |
| // was fixed in JB. |
| if (mCameraState != PREVIEW_STOPPED) stopPreview(); |
| |
| setDisplayOrientation(); |
| |
| if (!mSnapshotOnIdle) { |
| // If the focus mode is continuous autofocus, call cancelAutoFocus to |
| // resume it because it may have been paused by autoFocus call. |
| if (CameraUtil.FOCUS_MODE_CONTINUOUS_PICTURE.equals(mFocusManager.getFocusMode())) { |
| mCameraDevice.cancelAutoFocus(); |
| } |
| mFocusManager.setAeAwbLock(false); // Unlock AE and AWB. |
| } |
| setCameraParameters(UPDATE_PARAM_ALL); |
| // Let UI set its expected aspect ratio |
| mCameraDevice.setPreviewTexture(st); |
| |
| Log.v(TAG, "startPreview"); |
| mCameraDevice.startPreview(); |
| mFocusManager.onPreviewStarted(); |
| onPreviewStarted(); |
| |
| if (mSnapshotOnIdle) { |
| mHandler.post(mDoSnapRunnable); |
| } |
| } |
| |
| @Override |
| public void stopPreview() { |
| if (mCameraDevice != null && mCameraState != PREVIEW_STOPPED) { |
| Log.v(TAG, "stopPreview"); |
| mCameraDevice.stopPreview(); |
| mFaceDetectionStarted = false; |
| } |
| setCameraState(PREVIEW_STOPPED); |
| if (mFocusManager != null) mFocusManager.onPreviewStopped(); |
| } |
| |
| @SuppressWarnings("deprecation") |
| private void updateCameraParametersInitialize() { |
| // Reset preview frame rate to the maximum because it may be lowered by |
| // video camera application. |
| int[] fpsRange = CameraUtil.getPhotoPreviewFpsRange(mParameters); |
| if (fpsRange != null && fpsRange.length > 0) { |
| mParameters.setPreviewFpsRange( |
| fpsRange[Parameters.PREVIEW_FPS_MIN_INDEX], |
| fpsRange[Parameters.PREVIEW_FPS_MAX_INDEX]); |
| } |
| |
| mParameters.set(CameraUtil.RECORDING_HINT, CameraUtil.FALSE); |
| |
| // Disable video stabilization. Convenience methods not available in API |
| // level <= 14 |
| String vstabSupported = mParameters.get("video-stabilization-supported"); |
| if ("true".equals(vstabSupported)) { |
| mParameters.set("video-stabilization", "false"); |
| } |
| } |
| |
| private void updateCameraParametersZoom() { |
| // Set zoom. |
| if (mParameters.isZoomSupported()) { |
| mParameters.setZoom(mZoomValue); |
| } |
| } |
| |
| @TargetApi(Build.VERSION_CODES.JELLY_BEAN) |
| private void setAutoExposureLockIfSupported() { |
| if (mAeLockSupported) { |
| mParameters.setAutoExposureLock(mFocusManager.getAeAwbLock()); |
| } |
| } |
| |
| @TargetApi(Build.VERSION_CODES.JELLY_BEAN) |
| private void setAutoWhiteBalanceLockIfSupported() { |
| if (mAwbLockSupported) { |
| mParameters.setAutoWhiteBalanceLock(mFocusManager.getAeAwbLock()); |
| } |
| } |
| |
| private void setFocusAreasIfSupported() { |
| if (mFocusAreaSupported) { |
| mParameters.setFocusAreas(mFocusManager.getFocusAreas()); |
| } |
| } |
| |
| private void setMeteringAreasIfSupported() { |
| if (mMeteringAreaSupported) { |
| mParameters.setMeteringAreas(mFocusManager.getMeteringAreas()); |
| } |
| } |
| |
| private boolean updateCameraParametersPreference() { |
| setAutoExposureLockIfSupported(); |
| setAutoWhiteBalanceLockIfSupported(); |
| setFocusAreasIfSupported(); |
| setMeteringAreasIfSupported(); |
| |
| // Set picture size. |
| String pictureSize = mPreferences.getString( |
| CameraSettings.KEY_PICTURE_SIZE, null); |
| if (pictureSize == null) { |
| CameraSettings.initialCameraPictureSize(mActivity, mParameters); |
| } else { |
| List<Size> supported = mParameters.getSupportedPictureSizes(); |
| CameraSettings.setCameraPictureSize( |
| pictureSize, supported, mParameters); |
| } |
| Size size = mParameters.getPictureSize(); |
| |
| // Set a preview size that is closest to the viewfinder height and has |
| // the right aspect ratio. |
| List<Size> sizes = mParameters.getSupportedPreviewSizes(); |
| Size optimalSize = CameraUtil.getOptimalPreviewSize(mActivity, sizes, |
| (double) size.width / size.height); |
| Size original = mParameters.getPreviewSize(); |
| if (!original.equals(optimalSize)) { |
| mParameters.setPreviewSize(optimalSize.width, optimalSize.height); |
| |
| // Zoom related settings will be changed for different preview |
| // sizes, so set and read the parameters to get latest values |
| if (mHandler.getLooper() == Looper.myLooper()) { |
| // On UI thread only, not when camera starts up |
| setupPreview(); |
| } else { |
| mCameraDevice.setParameters(mParameters); |
| } |
| mParameters = mCameraDevice.getParameters(); |
| } |
| Log.v(TAG, "Preview size is " + optimalSize.width + "x" + optimalSize.height); |
| |
| // Since changing scene mode may change supported values, set scene mode |
| // first. HDR is a scene mode. To promote it in UI, it is stored in a |
| // separate preference. |
| String onValue = mActivity.getString(R.string.setting_on_value); |
| String hdr = mPreferences.getString(CameraSettings.KEY_CAMERA_HDR, |
| mActivity.getString(R.string.pref_camera_hdr_default)); |
| String hdrPlus = mPreferences.getString(CameraSettings.KEY_CAMERA_HDR_PLUS, |
| mActivity.getString(R.string.pref_camera_hdr_plus_default)); |
| boolean hdrOn = onValue.equals(hdr); |
| boolean hdrPlusOn = onValue.equals(hdrPlus); |
| |
| boolean doGcamModeSwitch = false; |
| if (hdrPlusOn && GcamHelper.hasGcamCapture()) { |
| // Kick off mode switch to gcam. |
| doGcamModeSwitch = true; |
| } else { |
| if (hdrOn) { |
| mSceneMode = CameraUtil.SCENE_MODE_HDR; |
| } else { |
| mSceneMode = mPreferences.getString( |
| CameraSettings.KEY_SCENE_MODE, |
| mActivity.getString(R.string.pref_camera_scenemode_default)); |
| } |
| } |
| if (CameraUtil.isSupported(mSceneMode, mParameters.getSupportedSceneModes())) { |
| if (!mParameters.getSceneMode().equals(mSceneMode)) { |
| mParameters.setSceneMode(mSceneMode); |
| |
| // Setting scene mode will change the settings of flash mode, |
| // white balance, and focus mode. Here we read back the |
| // parameters, so we can know those settings. |
| mCameraDevice.setParameters(mParameters); |
| mParameters = mCameraDevice.getParameters(); |
| } |
| } else { |
| mSceneMode = mParameters.getSceneMode(); |
| if (mSceneMode == null) { |
| mSceneMode = Parameters.SCENE_MODE_AUTO; |
| } |
| } |
| |
| // Set JPEG quality. |
| int jpegQuality = CameraProfile.getJpegEncodingQualityParameter(mCameraId, |
| CameraProfile.QUALITY_HIGH); |
| mParameters.setJpegQuality(jpegQuality); |
| |
| // For the following settings, we need to check if the settings are |
| // still supported by latest driver, if not, ignore the settings. |
| |
| // Set exposure compensation |
| int value = CameraSettings.readExposure(mPreferences); |
| int max = mParameters.getMaxExposureCompensation(); |
| int min = mParameters.getMinExposureCompensation(); |
| if (value >= min && value <= max) { |
| mParameters.setExposureCompensation(value); |
| } else { |
| Log.w(TAG, "invalid exposure range: " + value); |
| } |
| |
| if (Parameters.SCENE_MODE_AUTO.equals(mSceneMode)) { |
| // Set flash mode. |
| String flashMode = mPreferences.getString( |
| CameraSettings.KEY_FLASH_MODE, |
| mActivity.getString(R.string.pref_camera_flashmode_default)); |
| List<String> supportedFlash = mParameters.getSupportedFlashModes(); |
| if (CameraUtil.isSupported(flashMode, supportedFlash)) { |
| mParameters.setFlashMode(flashMode); |
| } else { |
| flashMode = mParameters.getFlashMode(); |
| if (flashMode == null) { |
| flashMode = mActivity.getString( |
| R.string.pref_camera_flashmode_no_flash); |
| } |
| } |
| |
| // Set white balance parameter. |
| String whiteBalance = mPreferences.getString( |
| CameraSettings.KEY_WHITE_BALANCE, |
| mActivity.getString(R.string.pref_camera_whitebalance_default)); |
| if (CameraUtil.isSupported(whiteBalance, |
| mParameters.getSupportedWhiteBalance())) { |
| mParameters.setWhiteBalance(whiteBalance); |
| } else { |
| whiteBalance = mParameters.getWhiteBalance(); |
| if (whiteBalance == null) { |
| whiteBalance = Parameters.WHITE_BALANCE_AUTO; |
| } |
| } |
| |
| // Set focus mode. |
| mFocusManager.overrideFocusMode(null); |
| mParameters.setFocusMode(mFocusManager.getFocusMode()); |
| } else { |
| mFocusManager.overrideFocusMode(mParameters.getFocusMode()); |
| } |
| |
| if (mContinuousFocusSupported && ApiHelper.HAS_AUTO_FOCUS_MOVE_CALLBACK) { |
| updateAutoFocusMoveCallback(); |
| } |
| |
| return doGcamModeSwitch; |
| } |
| |
| @TargetApi(Build.VERSION_CODES.JELLY_BEAN) |
| private void updateAutoFocusMoveCallback() { |
| if (mParameters.getFocusMode().equals(CameraUtil.FOCUS_MODE_CONTINUOUS_PICTURE)) { |
| mCameraDevice.setAutoFocusMoveCallback(mHandler, |
| (CameraAFMoveCallback) mAutoFocusMoveCallback); |
| } else { |
| mCameraDevice.setAutoFocusMoveCallback(null, null); |
| } |
| } |
| |
| // We separate the parameters into several subsets, so we can update only |
| // the subsets actually need updating. The PREFERENCE set needs extra |
| // locking because the preference can be changed from GLThread as well. |
| private void setCameraParameters(int updateSet) { |
| boolean doModeSwitch = false; |
| |
| if ((updateSet & UPDATE_PARAM_INITIALIZE) != 0) { |
| updateCameraParametersInitialize(); |
| } |
| |
| if ((updateSet & UPDATE_PARAM_ZOOM) != 0) { |
| updateCameraParametersZoom(); |
| } |
| |
| if ((updateSet & UPDATE_PARAM_PREFERENCE) != 0) { |
| doModeSwitch = updateCameraParametersPreference(); |
| } |
| |
| mCameraDevice.setParameters(mParameters); |
| |
| // Switch to gcam module if HDR+ was selected |
| if (doModeSwitch && !mIsImageCaptureIntent) { |
| mHandler.sendEmptyMessage(SWITCH_TO_GCAM_MODULE); |
| } |
| } |
| |
| // If the Camera is idle, update the parameters immediately, otherwise |
| // accumulate them in mUpdateSet and update later. |
| private void setCameraParametersWhenIdle(int additionalUpdateSet) { |
| mUpdateSet |= additionalUpdateSet; |
| if (mCameraDevice == null) { |
| // We will update all the parameters when we open the device, so |
| // we don't need to do anything now. |
| mUpdateSet = 0; |
| return; |
| } else if (isCameraIdle()) { |
| setCameraParameters(mUpdateSet); |
| updateSceneMode(); |
| mUpdateSet = 0; |
| } else { |
| if (!mHandler.hasMessages(SET_CAMERA_PARAMETERS_WHEN_IDLE)) { |
| mHandler.sendEmptyMessageDelayed( |
| SET_CAMERA_PARAMETERS_WHEN_IDLE, 1000); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isCameraIdle() { |
| return (mCameraState == IDLE) || |
| (mCameraState == PREVIEW_STOPPED) || |
| ((mFocusManager != null) && mFocusManager.isFocusCompleted() |
| && (mCameraState != SWITCHING_CAMERA)); |
| } |
| |
| @Override |
| public boolean isImageCaptureIntent() { |
| String action = mActivity.getIntent().getAction(); |
| return (MediaStore.ACTION_IMAGE_CAPTURE.equals(action) |
| || CameraActivity.ACTION_IMAGE_CAPTURE_SECURE.equals(action)); |
| } |
| |
| private void setupCaptureParams() { |
| Bundle myExtras = mActivity.getIntent().getExtras(); |
| if (myExtras != null) { |
| mSaveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); |
| mCropValue = myExtras.getString("crop"); |
| } |
| } |
| |
| @Override |
| public void onSharedPreferenceChanged() { |
| // ignore the events after "onPause()" |
| if (mPaused) return; |
| |
| boolean recordLocation = RecordLocationPreference.get( |
| mPreferences, mContentResolver); |
| mLocationManager.recordLocation(recordLocation); |
| |
| setCameraParametersWhenIdle(UPDATE_PARAM_PREFERENCE); |
| mUI.updateOnScreenIndicators(mParameters, mPreferenceGroup, mPreferences); |
| } |
| |
| @Override |
| public void onCameraPickerClicked(int cameraId) { |
| if (mPaused || mPendingSwitchCameraId != -1) return; |
| |
| mPendingSwitchCameraId = cameraId; |
| |
| Log.v(TAG, "Start to switch camera. cameraId=" + cameraId); |
| // We need to keep a preview frame for the animation before |
| // releasing the camera. This will trigger onPreviewTextureCopied. |
| //TODO: Need to animate the camera switch |
| switchCamera(); |
| } |
| |
| // Preview texture has been copied. Now camera can be released and the |
| // animation can be started. |
| @Override |
| public void onPreviewTextureCopied() { |
| mHandler.sendEmptyMessage(SWITCH_CAMERA); |
| } |
| |
| @Override |
| public void onCaptureTextureCopied() { |
| } |
| |
| @Override |
| public void onUserInteraction() { |
| if (!mActivity.isFinishing()) keepScreenOnAwhile(); |
| } |
| |
| private void resetScreenOn() { |
| mHandler.removeMessages(CLEAR_SCREEN_DELAY); |
| mActivity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| } |
| |
| private void keepScreenOnAwhile() { |
| mHandler.removeMessages(CLEAR_SCREEN_DELAY); |
| mActivity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); |
| } |
| |
| @Override |
| public void onOverriddenPreferencesClicked() { |
| if (mPaused) return; |
| mUI.showPreferencesToast(); |
| } |
| |
| private void showTapToFocusToast() { |
| // TODO: Use a toast? |
| new RotateTextToast(mActivity, R.string.tap_to_focus, 0).show(); |
| // Clear the preference. |
| Editor editor = mPreferences.edit(); |
| editor.putBoolean(CameraSettings.KEY_CAMERA_FIRST_USE_HINT_SHOWN, false); |
| editor.apply(); |
| } |
| |
| private void initializeCapabilities() { |
| mInitialParams = mCameraDevice.getParameters(); |
| mFocusAreaSupported = CameraUtil.isFocusAreaSupported(mInitialParams); |
| mMeteringAreaSupported = CameraUtil.isMeteringAreaSupported(mInitialParams); |
| mAeLockSupported = CameraUtil.isAutoExposureLockSupported(mInitialParams); |
| mAwbLockSupported = CameraUtil.isAutoWhiteBalanceLockSupported(mInitialParams); |
| mContinuousFocusSupported = mInitialParams.getSupportedFocusModes().contains( |
| CameraUtil.FOCUS_MODE_CONTINUOUS_PICTURE); |
| } |
| |
| @Override |
| public void onCountDownFinished() { |
| mSnapshotOnIdle = false; |
| mFocusManager.doSnap(); |
| mFocusManager.onShutterUp(); |
| } |
| |
| @Override |
| public void onShowSwitcherPopup() { |
| mUI.onShowSwitcherPopup(); |
| } |
| |
| @Override |
| public int onZoomChanged(int index) { |
| // Not useful to change zoom value when the activity is paused. |
| if (mPaused) return index; |
| mZoomValue = index; |
| if (mParameters == null || mCameraDevice == null) return index; |
| // Set zoom parameters asynchronously |
| mParameters.setZoom(mZoomValue); |
| mCameraDevice.setParameters(mParameters); |
| Parameters p = mCameraDevice.getParameters(); |
| if (p != null) return p.getZoom(); |
| return index; |
| } |
| |
| @Override |
| public int getCameraState() { |
| return mCameraState; |
| } |
| |
| @Override |
| public void onQueueStatus(boolean full) { |
| mUI.enableShutter(!full); |
| } |
| |
| @Override |
| public void onMediaSaveServiceConnected(MediaSaveService s) { |
| // We set the listener only when both service and shutterbutton |
| // are initialized. |
| if (mFirstTimeInitialized) { |
| s.setListener(this); |
| } |
| } |
| |
| @Override |
| public void onAccuracyChanged(Sensor sensor, int accuracy) { |
| } |
| |
| @Override |
| public void onSensorChanged(SensorEvent event) { |
| int type = event.sensor.getType(); |
| float[] data; |
| if (type == Sensor.TYPE_ACCELEROMETER) { |
| data = mGData; |
| } else if (type == Sensor.TYPE_MAGNETIC_FIELD) { |
| data = mMData; |
| } else { |
| // we should not be here. |
| return; |
| } |
| for (int i = 0; i < 3 ; i++) { |
| data[i] = event.values[i]; |
| } |
| float[] orientation = new float[3]; |
| SensorManager.getRotationMatrix(mR, null, mGData, mMData); |
| SensorManager.getOrientation(mR, orientation); |
| mHeading = (int) (orientation[0] * 180f / Math.PI) % 360; |
| if (mHeading < 0) { |
| mHeading += 360; |
| } |
| } |
| |
| @Override |
| public void onPreviewFocusChanged(boolean previewFocused) { |
| mUI.onPreviewFocusChanged(previewFocused); |
| } |
| |
| @Override |
| public boolean arePreviewControlsVisible() { |
| return mUI.arePreviewControlsVisible(); |
| } |
| |
| // For debugging only. |
| public void setDebugUri(Uri uri) { |
| mDebugUri = uri; |
| } |
| |
| // For debugging only. |
| private void saveToDebugUri(byte[] data) { |
| if (mDebugUri != null) { |
| OutputStream outputStream = null; |
| try { |
| outputStream = mContentResolver.openOutputStream(mDebugUri); |
| outputStream.write(data); |
| outputStream.close(); |
| } catch (IOException e) { |
| Log.e(TAG, "Exception while writing debug jpeg file", e); |
| } finally { |
| CameraUtil.closeSilently(outputStream); |
| } |
| } |
| } |
| |
| /* Below is no longer needed, except to get rid of compile error |
| * TODO: Remove these |
| */ |
| |
| // TODO: Delete this function after old camera code is removed |
| @Override |
| public void onRestorePreferencesClicked() {} |
| |
| } |
