| /* |
| * Copyright (C) 2014 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.media.tv; |
| |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.media.tv.TvInputManager.Session; |
| import android.media.tv.TvInputService.TvInputSessionImpl; |
| import android.net.Uri; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.util.Log; |
| import android.view.InputChannel; |
| import android.view.InputEvent; |
| import android.view.InputEventReceiver; |
| import android.view.Surface; |
| |
| import com.android.internal.os.HandlerCaller; |
| import com.android.internal.os.SomeArgs; |
| |
| /** |
| * Implements the internal ITvInputSession interface to convert incoming calls on to it back to |
| * calls on the public TvInputSession interface, scheduling them on the main thread of the process. |
| * |
| * @hide |
| */ |
| public class ITvInputSessionWrapper extends ITvInputSession.Stub implements HandlerCaller.Callback { |
| private static final String TAG = "TvInputSessionWrapper"; |
| |
| private static final int DO_RELEASE = 1; |
| private static final int DO_SET_SURFACE = 2; |
| private static final int DO_SET_VOLUME = 3; |
| private static final int DO_TUNE = 4; |
| private static final int DO_CREATE_OVERLAY_VIEW = 5; |
| private static final int DO_RELAYOUT_OVERLAY_VIEW = 6; |
| private static final int DO_REMOVE_OVERLAY_VIEW = 7; |
| |
| private final HandlerCaller mCaller; |
| |
| private TvInputSessionImpl mTvInputSessionImpl; |
| private InputChannel mChannel; |
| private TvInputEventReceiver mReceiver; |
| |
| public ITvInputSessionWrapper(Context context, TvInputSessionImpl sessionImpl, |
| InputChannel channel) { |
| mCaller = new HandlerCaller(context, null, this, true /* asyncHandler */); |
| mTvInputSessionImpl = sessionImpl; |
| mChannel = channel; |
| if (channel != null) { |
| mReceiver = new TvInputEventReceiver(channel, context.getMainLooper()); |
| } |
| } |
| |
| @Override |
| public void executeMessage(Message msg) { |
| if (mTvInputSessionImpl == null) { |
| return; |
| } |
| |
| switch (msg.what) { |
| case DO_RELEASE: { |
| mTvInputSessionImpl.release(); |
| mTvInputSessionImpl = null; |
| if (mReceiver != null) { |
| mReceiver.dispose(); |
| mReceiver = null; |
| } |
| if (mChannel != null) { |
| mChannel.dispose(); |
| mChannel = null; |
| } |
| return; |
| } |
| case DO_SET_SURFACE: { |
| mTvInputSessionImpl.setSurface((Surface) msg.obj); |
| return; |
| } |
| case DO_SET_VOLUME: { |
| mTvInputSessionImpl.setVolume((Float) msg.obj); |
| return; |
| } |
| case DO_TUNE: { |
| mTvInputSessionImpl.tune((Uri) msg.obj); |
| return; |
| } |
| case DO_CREATE_OVERLAY_VIEW: { |
| SomeArgs args = (SomeArgs) msg.obj; |
| mTvInputSessionImpl.createOverlayView((IBinder) args.arg1, (Rect) args.arg2); |
| args.recycle(); |
| return; |
| } |
| case DO_RELAYOUT_OVERLAY_VIEW: { |
| mTvInputSessionImpl.relayoutOverlayView((Rect) msg.obj); |
| return; |
| } |
| case DO_REMOVE_OVERLAY_VIEW: { |
| mTvInputSessionImpl.removeOverlayView(true); |
| return; |
| } |
| default: { |
| Log.w(TAG, "Unhandled message code: " + msg.what); |
| return; |
| } |
| } |
| } |
| |
| @Override |
| public void release() { |
| mCaller.executeOrSendMessage(mCaller.obtainMessage(DO_RELEASE)); |
| } |
| |
| @Override |
| public void setSurface(Surface surface) { |
| mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_SET_SURFACE, surface)); |
| } |
| |
| @Override |
| public final void setVolume(float volume) { |
| mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_SET_VOLUME, volume)); |
| } |
| |
| @Override |
| public void tune(Uri channelUri) { |
| mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_TUNE, channelUri)); |
| } |
| |
| @Override |
| public void createOverlayView(IBinder windowToken, Rect frame) { |
| mCaller.executeOrSendMessage(mCaller.obtainMessageOO(DO_CREATE_OVERLAY_VIEW, windowToken, |
| frame)); |
| } |
| |
| @Override |
| public void relayoutOverlayView(Rect frame) { |
| mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_RELAYOUT_OVERLAY_VIEW, frame)); |
| } |
| |
| @Override |
| public void removeOverlayView() { |
| mCaller.executeOrSendMessage(mCaller.obtainMessage(DO_REMOVE_OVERLAY_VIEW)); |
| } |
| |
| private final class TvInputEventReceiver extends InputEventReceiver { |
| public TvInputEventReceiver(InputChannel inputChannel, Looper looper) { |
| super(inputChannel, looper); |
| } |
| |
| @Override |
| public void onInputEvent(InputEvent event) { |
| if (mTvInputSessionImpl == null) { |
| // The session has been finished. |
| finishInputEvent(event, false); |
| return; |
| } |
| |
| int handled = mTvInputSessionImpl.dispatchInputEvent(event, this); |
| if (handled != Session.DISPATCH_IN_PROGRESS) { |
| finishInputEvent(event, handled == Session.DISPATCH_HANDLED); |
| } |
| } |
| } |
| } |