| /* |
| * 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 android.app; |
| |
| import android.content.Context; |
| import android.content.ContextWrapper; |
| import android.content.IIntentSender; |
| import android.content.Intent; |
| import android.content.IntentSender; |
| import android.graphics.SurfaceTexture; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.util.AttributeSet; |
| import android.util.DisplayMetrics; |
| import android.util.Log; |
| import android.view.InputDevice; |
| import android.view.InputEvent; |
| import android.view.MotionEvent; |
| import android.view.Surface; |
| import android.view.TextureView; |
| import android.view.TextureView.SurfaceTextureListener; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.WindowManager; |
| |
| /** @hide */ |
| public class ActivityView extends ViewGroup { |
| private final String TAG = "ActivityView"; |
| private final boolean DEBUG = false; |
| |
| private final TextureView mTextureView; |
| private IActivityContainer mActivityContainer; |
| private Activity mActivity; |
| private int mWidth; |
| private int mHeight; |
| private Surface mSurface; |
| |
| // Only one IIntentSender or Intent may be queued at a time. Most recent one wins. |
| IIntentSender mQueuedPendingIntent; |
| Intent mQueuedIntent; |
| |
| public ActivityView(Context context) { |
| this(context, null); |
| } |
| |
| public ActivityView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public ActivityView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| |
| while (context instanceof ContextWrapper) { |
| if (context instanceof Activity) { |
| mActivity = (Activity)context; |
| break; |
| } |
| context = ((ContextWrapper)context).getBaseContext(); |
| } |
| if (mActivity == null) { |
| throw new IllegalStateException("The ActivityView's Context is not an Activity."); |
| } |
| |
| mTextureView = new TextureView(context); |
| mTextureView.setSurfaceTextureListener(new ActivityViewSurfaceTextureListener()); |
| addView(mTextureView); |
| if (DEBUG) Log.v(TAG, "ctor()"); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int l, int t, int r, int b) { |
| mTextureView.layout(0, 0, r - l, b - t); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| if (DEBUG) Log.v(TAG, "onAttachedToWindow()"); |
| super.onAttachedToWindow(); |
| try { |
| final IBinder token = mActivity.getActivityToken(); |
| mActivityContainer = |
| ActivityManagerNative.getDefault().createActivityContainer(token, null); |
| } catch (RemoteException e) { |
| throw new IllegalStateException("ActivityView: Unable to create ActivityContainer. " |
| + e); |
| } |
| |
| attachToSurfaceWhenReady(); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| if (DEBUG) Log.v(TAG, "onDetachedFromWindow(): mActivityContainer=" + mActivityContainer); |
| super.onDetachedFromWindow(); |
| if (mActivityContainer != null) { |
| detach(); |
| try { |
| ActivityManagerNative.getDefault().deleteActivityContainer(mActivityContainer); |
| } catch (RemoteException e) { |
| } |
| mActivityContainer = null; |
| } |
| } |
| |
| @Override |
| protected void onWindowVisibilityChanged(int visibility) { |
| if (DEBUG) Log.v(TAG, "onWindowVisibilityChanged(): visibility=" + visibility); |
| super.onWindowVisibilityChanged(visibility); |
| switch (visibility) { |
| case View.VISIBLE: |
| attachToSurfaceWhenReady(); |
| break; |
| case View.INVISIBLE: |
| break; |
| case View.GONE: |
| break; |
| } |
| } |
| |
| private boolean injectInputEvent(InputEvent event) { |
| try { |
| return mActivityContainer != null && mActivityContainer.injectEvent(event); |
| } catch (RemoteException e) { |
| return false; |
| } |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| return injectInputEvent(event) || super.onTouchEvent(event); |
| } |
| |
| @Override |
| public boolean onGenericMotionEvent(MotionEvent event) { |
| if (event.isFromSource(InputDevice.SOURCE_CLASS_POINTER)) { |
| if (injectInputEvent(event)) { |
| return true; |
| } |
| } |
| return super.onGenericMotionEvent(event); |
| } |
| |
| public boolean isAttachedToDisplay() { |
| return mSurface != null; |
| } |
| |
| public void startActivity(Intent intent) { |
| if (DEBUG) Log.v(TAG, "startActivity(): intent=" + intent + " " + |
| (isAttachedToDisplay() ? "" : "not") + " attached"); |
| if (mSurface != null) { |
| try { |
| mActivityContainer.startActivity(intent); |
| } catch (RemoteException e) { |
| throw new IllegalStateException("ActivityView: Unable to startActivity. " + e); |
| } |
| } else { |
| mQueuedIntent = intent; |
| mQueuedPendingIntent = null; |
| } |
| } |
| |
| private void startActivityIntentSender(IIntentSender iIntentSender) { |
| try { |
| mActivityContainer.startActivityIntentSender(iIntentSender); |
| } catch (RemoteException e) { |
| throw new IllegalStateException( |
| "ActivityView: Unable to startActivity from IntentSender. " + e); |
| } |
| } |
| |
| public void startActivity(IntentSender intentSender) { |
| if (DEBUG) Log.v(TAG, "startActivityIntentSender(): intentSender=" + intentSender + " " + |
| (isAttachedToDisplay() ? "" : "not") + " attached"); |
| final IIntentSender iIntentSender = intentSender.getTarget(); |
| if (mSurface != null) { |
| startActivityIntentSender(iIntentSender); |
| } else { |
| mQueuedPendingIntent = iIntentSender; |
| mQueuedIntent = null; |
| } |
| } |
| |
| public void startActivity(PendingIntent pendingIntent) { |
| if (DEBUG) Log.v(TAG, "startActivityPendingIntent(): PendingIntent=" + pendingIntent + " " |
| + (isAttachedToDisplay() ? "" : "not") + " attached"); |
| final IIntentSender iIntentSender = pendingIntent.getTarget(); |
| if (mSurface != null) { |
| startActivityIntentSender(iIntentSender); |
| } else { |
| mQueuedPendingIntent = iIntentSender; |
| mQueuedIntent = null; |
| } |
| } |
| |
| private void attachToSurfaceWhenReady() { |
| final SurfaceTexture surfaceTexture = mTextureView.getSurfaceTexture(); |
| if (mActivityContainer == null || surfaceTexture == null || mSurface != null) { |
| // Either not ready to attach, or already attached. |
| return; |
| } |
| |
| WindowManager wm = (WindowManager)mActivity.getSystemService(Context.WINDOW_SERVICE); |
| DisplayMetrics metrics = new DisplayMetrics(); |
| wm.getDefaultDisplay().getMetrics(metrics); |
| |
| mSurface = new Surface(surfaceTexture); |
| try { |
| mActivityContainer.attachToSurface(mSurface, mWidth, mHeight, metrics.densityDpi); |
| } catch (RemoteException e) { |
| mSurface.release(); |
| mSurface = null; |
| throw new IllegalStateException( |
| "ActivityView: Unable to create ActivityContainer. " + e); |
| } |
| |
| if (DEBUG) Log.v(TAG, "attachToSurfaceWhenReady: " + (mQueuedIntent != null || |
| mQueuedPendingIntent != null ? "" : "no") + " queued intent"); |
| if (mQueuedIntent != null) { |
| startActivity(mQueuedIntent); |
| mQueuedIntent = null; |
| } else if (mQueuedPendingIntent != null) { |
| startActivityIntentSender(mQueuedPendingIntent); |
| mQueuedPendingIntent = null; |
| } |
| } |
| |
| private void detach() { |
| if (DEBUG) Log.d(TAG, "detach: attached=" + isAttachedToDisplay()); |
| if (mSurface != null) { |
| try { |
| mActivityContainer.detachFromDisplay(); |
| } catch (RemoteException e) { |
| } |
| mSurface.release(); |
| mSurface = null; |
| } |
| } |
| |
| private class ActivityViewSurfaceTextureListener implements SurfaceTextureListener { |
| @Override |
| public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int width, |
| int height) { |
| if (DEBUG) Log.d(TAG, "onSurfaceTextureAvailable: width=" + width + " height=" |
| + height); |
| mWidth = width; |
| mHeight = height; |
| if (mActivityContainer != null) { |
| attachToSurfaceWhenReady(); |
| } |
| } |
| |
| @Override |
| public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int width, |
| int height) { |
| if (DEBUG) Log.d(TAG, "onSurfaceTextureSizeChanged: w=" + width + " h=" + height); |
| } |
| |
| @Override |
| public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) { |
| if (DEBUG) Log.d(TAG, "onSurfaceTextureDestroyed"); |
| detach(); |
| return true; |
| } |
| |
| @Override |
| public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) { |
| // Log.d(TAG, "onSurfaceTextureUpdated"); |
| } |
| |
| } |
| } |