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/*
* Copyright (C) 2013 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.graphics.Bitmap;
import android.graphics.Matrix;
import android.graphics.SurfaceTexture;
import android.hardware.Camera.Parameters;
import android.hardware.Camera.Size;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.TextureView;
import android.view.TextureView.SurfaceTextureListener;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLayoutChangeListener;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.FrameLayout.LayoutParams;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.camera.CameraPreference.OnPreferenceChangedListener;
import com.android.camera.ui.AbstractSettingPopup;
import com.android.camera.ui.CameraSwitcher;
import com.android.camera.ui.PieRenderer;
import com.android.camera.ui.RenderOverlay;
import com.android.camera.ui.RotateLayout;
import com.android.camera.ui.ZoomRenderer;
import com.android.camera.ui.CameraSwitcher.CameraSwitchListener;
import com.android.gallery3d.R;
import com.android.gallery3d.common.ApiHelper;
import java.util.List;
public class NewVideoUI implements PieRenderer.PieListener,
NewPreviewGestures.SingleTapListener,
SurfaceTextureListener, SurfaceHolder.Callback {
private final static String TAG = "CAM_VideoUI";
private static final int UPDATE_TRANSFORM_MATRIX = 1;
// module fields
private NewCameraActivity mActivity;
private View mRootView;
private TextureView mTextureView;
// An review image having same size as preview. It is displayed when
// recording is stopped in capture intent.
private ImageView mReviewImage;
private View mReviewCancelButton;
private View mReviewDoneButton;
private View mReviewPlayButton;
private ShutterButton mShutterButton;
private CameraSwitcher mSwitcher;
private TextView mRecordingTimeView;
private LinearLayout mLabelsLinearLayout;
private View mTimeLapseLabel;
private RenderOverlay mRenderOverlay;
private PieRenderer mPieRenderer;
private NewVideoMenu mVideoMenu;
private View mCameraControls;
private AbstractSettingPopup mPopup;
private ZoomRenderer mZoomRenderer;
private NewPreviewGestures mGestures;
private View mMenuButton;
private View mBlocker;
private View mOnScreenIndicators;
private ImageView mFlashIndicator;
private RotateLayout mRecordingTimeRect;
private final Object mLock = new Object();
private SurfaceTexture mSurfaceTexture;
private VideoController mController;
private int mZoomMax;
private List<Integer> mZoomRatios;
private SurfaceView mSurfaceView = null;
private int mPreviewWidth = 0;
private int mPreviewHeight = 0;
private float mSurfaceTextureUncroppedWidth;
private float mSurfaceTextureUncroppedHeight;
private float mAspectRatio = 4f / 3f;
private Matrix mMatrix = null;
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case UPDATE_TRANSFORM_MATRIX:
setTransformMatrix(mPreviewWidth, mPreviewHeight);
break;
default:
break;
}
}
};
private OnLayoutChangeListener mLayoutListener = new OnLayoutChangeListener() {
@Override
public void onLayoutChange(View v, int left, int top, int right,
int bottom, int oldLeft, int oldTop, int oldRight, int oldBottom) {
int width = right - left;
int height = bottom - top;
// Full-screen screennail
int w = width;
int h = height;
if (Util.getDisplayRotation(mActivity) % 180 != 0) {
w = height;
h = width;
}
if (mPreviewWidth != width || mPreviewHeight != height) {
mPreviewWidth = width;
mPreviewHeight = height;
onScreenSizeChanged(width, height, w, h);
}
}
};
public NewVideoUI(NewCameraActivity activity, VideoController controller, View parent) {
mActivity = activity;
mController = controller;
mRootView = parent;
mActivity.getLayoutInflater().inflate(R.layout.new_video_module, (ViewGroup) mRootView, true);
mTextureView = (TextureView) mRootView.findViewById(R.id.preview_content);
mTextureView.setSurfaceTextureListener(this);
mRootView.addOnLayoutChangeListener(mLayoutListener);
mShutterButton = (ShutterButton) mRootView.findViewById(R.id.shutter_button);
mSwitcher = (CameraSwitcher) mRootView.findViewById(R.id.camera_switcher);
mSwitcher.setCurrentIndex(1);
mSwitcher.setSwitchListener((CameraSwitchListener) mActivity);
initializeMiscControls();
initializeControlByIntent();
initializeOverlay();
}
public void initializeSurfaceView() {
mSurfaceView = new SurfaceView(mActivity);
((ViewGroup) mRootView).addView(mSurfaceView, 0);
mSurfaceView.getHolder().addCallback(this);
}
private void initializeControlByIntent() {
mBlocker = mActivity.findViewById(R.id.blocker);
mMenuButton = mActivity.findViewById(R.id.menu);
mMenuButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (mPieRenderer != null) {
mPieRenderer.showInCenter();
}
}
});
mCameraControls = mActivity.findViewById(R.id.camera_controls);
mOnScreenIndicators = mActivity.findViewById(R.id.on_screen_indicators);
mFlashIndicator = (ImageView) mActivity.findViewById(R.id.menu_flash_indicator);
if (mController.isVideoCaptureIntent()) {
hideSwitcher();
mActivity.getLayoutInflater().inflate(R.layout.review_module_control, (ViewGroup) mCameraControls);
// Cannot use RotateImageView for "done" and "cancel" button because
// the tablet layout uses RotateLayout, which cannot be cast to
// RotateImageView.
mReviewDoneButton = mActivity.findViewById(R.id.btn_done);
mReviewCancelButton = mActivity.findViewById(R.id.btn_cancel);
mReviewPlayButton = mActivity.findViewById(R.id.btn_play);
mReviewCancelButton.setVisibility(View.VISIBLE);
mReviewDoneButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mController.onReviewDoneClicked(v);
}
});
mReviewCancelButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mController.onReviewCancelClicked(v);
}
});
mReviewPlayButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mController.onReviewPlayClicked(v);
}
});
}
}
public void setPreviewSize(int width, int height) {
if (width == 0 || height == 0) {
Log.w(TAG, "Preview size should not be 0.");
return;
}
if (width > height) {
mAspectRatio = (float) width / height;
} else {
mAspectRatio = (float) height / width;
}
mHandler.sendEmptyMessage(UPDATE_TRANSFORM_MATRIX);
}
public int getPreviewWidth() {
return mPreviewWidth;
}
public int getPreviewHeight() {
return mPreviewHeight;
}
public void onScreenSizeChanged(int width, int height, int previewWidth, int previewHeight) {
setTransformMatrix(width, height);
}
private void setTransformMatrix(int width, int height) {
mMatrix = mTextureView.getTransform(mMatrix);
int orientation = Util.getDisplayRotation(mActivity);
float scaleX = 1f, scaleY = 1f;
float scaledTextureWidth, scaledTextureHeight;
if (width > height) {
scaledTextureWidth = Math.max(width,
(int) (height * mAspectRatio));
scaledTextureHeight = Math.max(height,
(int)(width / mAspectRatio));
} else {
scaledTextureWidth = Math.max(width,
(int) (height / mAspectRatio));
scaledTextureHeight = Math.max(height,
(int) (width * mAspectRatio));
}
if (mSurfaceTextureUncroppedWidth != scaledTextureWidth ||
mSurfaceTextureUncroppedHeight != scaledTextureHeight) {
mSurfaceTextureUncroppedWidth = scaledTextureWidth;
mSurfaceTextureUncroppedHeight = scaledTextureHeight;
}
scaleX = scaledTextureWidth / width;
scaleY = scaledTextureHeight / height;
mMatrix.setScale(scaleX, scaleY, (float) width / 2, (float) height / 2);
mTextureView.setTransform(mMatrix);
if (mSurfaceView != null && mSurfaceView.getVisibility() == View.VISIBLE) {
LayoutParams lp = (LayoutParams) mSurfaceView.getLayoutParams();
lp.width = (int) mSurfaceTextureUncroppedWidth;
lp.height = (int) mSurfaceTextureUncroppedHeight;
lp.gravity = Gravity.CENTER;
mSurfaceView.requestLayout();
}
}
public void hideUI() {
mCameraControls.setVisibility(View.INVISIBLE);
hideSwitcher();
mShutterButton.setVisibility(View.GONE);
}
public void showUI() {
mCameraControls.setVisibility(View.VISIBLE);
showSwitcher();
mShutterButton.setVisibility(View.VISIBLE);
}
public void hideSwitcher() {
mSwitcher.closePopup();
mSwitcher.setVisibility(View.INVISIBLE);
}
public void showSwitcher() {
mSwitcher.setVisibility(View.VISIBLE);
}
public boolean collapseCameraControls() {
boolean ret = false;
if (mPopup != null) {
dismissPopup(false);
ret = true;
}
return ret;
}
public boolean removeTopLevelPopup() {
if (mPopup != null) {
dismissPopup(true);
return true;
}
return false;
}
public void enableCameraControls(boolean enable) {
if (mGestures != null) {
mGestures.setZoomOnly(!enable);
}
if (mPieRenderer != null && mPieRenderer.showsItems()) {
mPieRenderer.hide();
}
}
public void overrideSettings(final String... keyvalues) {
mVideoMenu.overrideSettings(keyvalues);
}
public void setOrientationIndicator(int orientation, boolean animation) {
if (mGestures != null) {
mGestures.setOrientation(orientation);
}
// We change the orientation of the linearlayout only for phone UI
// because when in portrait the width is not enough.
if (mLabelsLinearLayout != null) {
if (((orientation / 90) & 1) == 0) {
mLabelsLinearLayout.setOrientation(LinearLayout.VERTICAL);
} else {
mLabelsLinearLayout.setOrientation(LinearLayout.HORIZONTAL);
}
}
mRecordingTimeRect.setOrientation(0, animation);
}
public SurfaceHolder getSurfaceHolder() {
return mSurfaceView.getHolder();
}
public void hideSurfaceView() {
mSurfaceView.setVisibility(View.GONE);
mTextureView.setVisibility(View.VISIBLE);
setTransformMatrix(mPreviewWidth, mPreviewHeight);
}
public void showSurfaceView() {
mSurfaceView.setVisibility(View.VISIBLE);
mTextureView.setVisibility(View.GONE);
setTransformMatrix(mPreviewWidth, mPreviewHeight);
}
private void initializeOverlay() {
mRenderOverlay = (RenderOverlay) mRootView.findViewById(R.id.render_overlay);
if (mPieRenderer == null) {
mPieRenderer = new PieRenderer(mActivity);
mVideoMenu = new NewVideoMenu(mActivity, this, mPieRenderer);
mPieRenderer.setPieListener(this);
}
mRenderOverlay.addRenderer(mPieRenderer);
if (mZoomRenderer == null) {
mZoomRenderer = new ZoomRenderer(mActivity);
}
mRenderOverlay.addRenderer(mZoomRenderer);
if (mGestures == null) {
mGestures = new NewPreviewGestures(mActivity, this, mZoomRenderer, mPieRenderer);
mRenderOverlay.setGestures(mGestures);
}
mGestures.setRenderOverlay(mRenderOverlay);
}
public void setPrefChangedListener(OnPreferenceChangedListener listener) {
mVideoMenu.setListener(listener);
}
private void initializeMiscControls() {
mReviewImage = (ImageView) mRootView.findViewById(R.id.review_image);
mShutterButton.setImageResource(R.drawable.btn_new_shutter_video);
mShutterButton.setOnShutterButtonListener(mController);
mShutterButton.setVisibility(View.VISIBLE);
mShutterButton.requestFocus();
mShutterButton.enableTouch(true);
mRecordingTimeView = (TextView) mRootView.findViewById(R.id.recording_time);
mRecordingTimeRect = (RotateLayout) mRootView.findViewById(R.id.recording_time_rect);
mTimeLapseLabel = mRootView.findViewById(R.id.time_lapse_label);
// The R.id.labels can only be found in phone layout.
// That is, mLabelsLinearLayout should be null in tablet layout.
mLabelsLinearLayout = (LinearLayout) mRootView.findViewById(R.id.labels);
}
public void updateOnScreenIndicators(Parameters param) {
if (param == null) return;
String value = param.getFlashMode();
if (mFlashIndicator == null) return;
if (value == null || Parameters.FLASH_MODE_OFF.equals(value)) {
mFlashIndicator.setImageResource(R.drawable.ic_indicator_flash_off);
} else {
if (Parameters.FLASH_MODE_AUTO.equals(value)) {
mFlashIndicator.setImageResource(R.drawable.ic_indicator_flash_auto);
} else if (Parameters.FLASH_MODE_ON.equals(value)
|| Parameters.FLASH_MODE_TORCH.equals(value)) {
mFlashIndicator.setImageResource(R.drawable.ic_indicator_flash_on);
} else {
mFlashIndicator.setImageResource(R.drawable.ic_indicator_flash_off);
}
}
}
public void setAspectRatio(double ratio) {
// mPreviewFrameLayout.setAspectRatio(ratio);
}
public void showTimeLapseUI(boolean enable) {
if (mTimeLapseLabel != null) {
mTimeLapseLabel.setVisibility(enable ? View.VISIBLE : View.GONE);
}
}
private void openMenu() {
if (mPieRenderer != null) {
mPieRenderer.showInCenter();
}
}
public void showPopup(AbstractSettingPopup popup) {
hideUI();
mBlocker.setVisibility(View.INVISIBLE);
setShowMenu(false);
mPopup = popup;
mPopup.setVisibility(View.VISIBLE);
FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT);
lp.gravity = Gravity.CENTER;
((FrameLayout) mRootView).addView(mPopup, lp);
}
public void dismissPopup(boolean topLevelOnly) {
dismissPopup(topLevelOnly, true);
}
public void dismissPopup(boolean topLevelPopupOnly, boolean fullScreen) {
if (fullScreen) {
showUI();
mBlocker.setVisibility(View.VISIBLE);
}
setShowMenu(fullScreen);
if (mPopup != null) {
((FrameLayout) mRootView).removeView(mPopup);
mPopup = null;
}
mVideoMenu.popupDismissed(topLevelPopupOnly);
}
public void onShowSwitcherPopup() {
hidePieRenderer();
}
public boolean hidePieRenderer() {
if (mPieRenderer != null && mPieRenderer.showsItems()) {
mPieRenderer.hide();
return true;
}
return false;
}
// disable preview gestures after shutter is pressed
public void setShutterPressed(boolean pressed) {
if (mGestures == null) return;
mGestures.setEnabled(!pressed);
}
public void enableShutter(boolean enable) {
if (mShutterButton != null) {
mShutterButton.setEnabled(enable);
}
}
// PieListener
@Override
public void onPieOpened(int centerX, int centerY) {
// TODO: mActivity.cancelActivityTouchHandling();
// mActivity.setSwipingEnabled(false);
dismissPopup(false, true);
}
@Override
public void onPieClosed() {
// TODO: mActivity.setSwipingEnabled(true);
}
public void showPreviewBorder(boolean enable) {
// TODO: mPreviewFrameLayout.showBorder(enable);
}
// SingleTapListener
// Preview area is touched. Take a picture.
@Override
public void onSingleTapUp(View view, int x, int y) {
mController.onSingleTapUp(view, x, y);
}
public void showRecordingUI(boolean recording, boolean zoomSupported) {
mMenuButton.setVisibility(recording ? View.GONE : View.VISIBLE);
mOnScreenIndicators.setVisibility(recording ? View.GONE : View.VISIBLE);
if (recording) {
mShutterButton.setImageResource(R.drawable.btn_shutter_video_recording);
hideSwitcher();
mRecordingTimeView.setText("");
mRecordingTimeView.setVisibility(View.VISIBLE);
// The camera is not allowed to be accessed in older api levels during
// recording. It is therefore necessary to hide the zoom UI on older
// platforms.
// See the documentation of android.media.MediaRecorder.start() for
// further explanation.
if (!ApiHelper.HAS_ZOOM_WHEN_RECORDING && zoomSupported) {
// TODO: disable zoom UI here.
}
} else {
mShutterButton.setImageResource(R.drawable.btn_new_shutter_video);
showSwitcher();
mRecordingTimeView.setVisibility(View.GONE);
if (!ApiHelper.HAS_ZOOM_WHEN_RECORDING && zoomSupported) {
// TODO: enable zoom UI here.
}
}
}
public void showReviewImage(Bitmap bitmap) {
mReviewImage.setImageBitmap(bitmap);
mReviewImage.setVisibility(View.VISIBLE);
}
public void showReviewControls() {
Util.fadeOut(mShutterButton);
Util.fadeIn(mReviewDoneButton);
Util.fadeIn(mReviewPlayButton);
mReviewImage.setVisibility(View.VISIBLE);
mMenuButton.setVisibility(View.GONE);
mOnScreenIndicators.setVisibility(View.GONE);
}
public void hideReviewUI() {
mReviewImage.setVisibility(View.GONE);
mShutterButton.setEnabled(true);
mMenuButton.setVisibility(View.VISIBLE);
mOnScreenIndicators.setVisibility(View.VISIBLE);
Util.fadeOut(mReviewDoneButton);
Util.fadeOut(mReviewPlayButton);
Util.fadeIn(mShutterButton);
}
private void setShowMenu(boolean show) {
if (mOnScreenIndicators != null) {
mOnScreenIndicators.setVisibility(show ? View.VISIBLE : View.GONE);
}
if (mMenuButton != null) {
mMenuButton.setVisibility(show ? View.VISIBLE : View.GONE);
}
}
public void onFullScreenChanged(boolean full) {
if (mGestures != null) {
mGestures.setEnabled(full);
}
if (mPopup != null) {
dismissPopup(false, full);
}
if (mRenderOverlay != null) {
// this can not happen in capture mode
mRenderOverlay.setVisibility(full ? View.VISIBLE : View.GONE);
}
setShowMenu(full);
if (mBlocker != null) {
// this can not happen in capture mode
mBlocker.setVisibility(full ? View.VISIBLE : View.GONE);
}
}
public void initializePopup(PreferenceGroup pref) {
mVideoMenu.initialize(pref);
}
public void initializeZoom(Parameters param) {
if (param == null || !param.isZoomSupported()) return;
mZoomMax = param.getMaxZoom();
mZoomRatios = param.getZoomRatios();
// Currently we use immediate zoom for fast zooming to get better UX and
// there is no plan to take advantage of the smooth zoom.
mZoomRenderer.setZoomMax(mZoomMax);
mZoomRenderer.setZoom(param.getZoom());
mZoomRenderer.setZoomValue(mZoomRatios.get(param.getZoom()));
mZoomRenderer.setOnZoomChangeListener(new ZoomChangeListener());
}
public void clickShutter() {
mShutterButton.performClick();
}
public void pressShutter(boolean pressed) {
mShutterButton.setPressed(pressed);
}
public View getShutterButton() {
return mShutterButton;
}
public void setRecordingTime(String text) {
mRecordingTimeView.setText(text);
}
public void setRecordingTimeTextColor(int color) {
mRecordingTimeView.setTextColor(color);
}
public boolean isVisible() {
return mTextureView.getVisibility() == View.VISIBLE;
}
private class ZoomChangeListener implements ZoomRenderer.OnZoomChangedListener {
@Override
public void onZoomValueChanged(int index) {
int newZoom = mController.onZoomChanged(index);
if (mZoomRenderer != null) {
mZoomRenderer.setZoomValue(mZoomRatios.get(newZoom));
}
}
@Override
public void onZoomStart() {
}
@Override
public void onZoomEnd() {
}
}
public SurfaceTexture getSurfaceTexture() {
synchronized (mLock) {
if (mSurfaceTexture == null) {
try {
mLock.wait();
} catch (InterruptedException e) {
Log.w(TAG, "Unexpected interruption when waiting to get surface texture");
}
}
}
return mSurfaceTexture;
}
// SurfaceTexture callbacks
@Override
public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
synchronized (mLock) {
mSurfaceTexture = surface;
mLock.notifyAll();
}
}
@Override
public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
mSurfaceTexture = null;
mController.stopPreview();
Log.d(TAG, "surfaceTexture is destroyed");
return true;
}
@Override
public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
}
@Override
public void onSurfaceTextureUpdated(SurfaceTexture surface) {
}
// SurfaceHolder callbacks
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
Log.v(TAG, "Surface changed. width=" + width + ". height=" + height);
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
Log.v(TAG, "Surface created");
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
Log.v(TAG, "Surface destroyed");
mController.stopPreview();
}
}