| /* |
| * 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 com.android.server.hdmi; |
| |
| import android.hardware.hdmi.HdmiControlManager; |
| import android.hardware.hdmi.HdmiDeviceInfo; |
| import android.hardware.hdmi.IHdmiControlCallback; |
| import android.os.RemoteException; |
| import android.os.SystemProperties; |
| import android.util.Slog; |
| |
| import com.android.internal.util.IndentingPrintWriter; |
| import com.android.server.hdmi.HdmiAnnotations.ServiceThreadOnly; |
| |
| /** |
| * Represent a logical device of type Playback residing in Android system. |
| */ |
| final class HdmiCecLocalDevicePlayback extends HdmiCecLocalDevice { |
| private static final String TAG = "HdmiCecLocalDevicePlayback"; |
| |
| private boolean mIsActiveSource = false; |
| |
| HdmiCecLocalDevicePlayback(HdmiControlService service) { |
| super(service, HdmiDeviceInfo.DEVICE_PLAYBACK); |
| } |
| |
| @Override |
| @ServiceThreadOnly |
| protected void onAddressAllocated(int logicalAddress, int reason) { |
| assertRunOnServiceThread(); |
| mService.sendCecCommand(HdmiCecMessageBuilder.buildReportPhysicalAddressCommand( |
| mAddress, mService.getPhysicalAddress(), mDeviceType)); |
| if (reason == HdmiControlService.INITIATED_BY_SCREEN_ON) { |
| oneTouchPlay(new IHdmiControlCallback.Stub() { |
| @Override public void onComplete(int result) throws RemoteException {} |
| }); |
| } |
| } |
| |
| @Override |
| @ServiceThreadOnly |
| protected int getPreferredAddress() { |
| assertRunOnServiceThread(); |
| return SystemProperties.getInt(Constants.PROPERTY_PREFERRED_ADDRESS_PLAYBACK, |
| Constants.ADDR_UNREGISTERED); |
| } |
| |
| @Override |
| @ServiceThreadOnly |
| protected void setPreferredAddress(int addr) { |
| assertRunOnServiceThread(); |
| SystemProperties.set(Constants.PROPERTY_PREFERRED_ADDRESS_PLAYBACK, |
| String.valueOf(addr)); |
| } |
| |
| @ServiceThreadOnly |
| void oneTouchPlay(IHdmiControlCallback callback) { |
| assertRunOnServiceThread(); |
| if (hasAction(OneTouchPlayAction.class)) { |
| Slog.w(TAG, "oneTouchPlay already in progress"); |
| invokeCallback(callback, HdmiControlManager.RESULT_ALREADY_IN_PROGRESS); |
| return; |
| } |
| |
| // TODO: Consider the case of multiple TV sets. For now we always direct the command |
| // to the primary one. |
| OneTouchPlayAction action = OneTouchPlayAction.create(this, Constants.ADDR_TV, |
| callback); |
| if (action == null) { |
| Slog.w(TAG, "Cannot initiate oneTouchPlay"); |
| invokeCallback(callback, HdmiControlManager.RESULT_EXCEPTION); |
| return; |
| } |
| addAndStartAction(action); |
| } |
| |
| @ServiceThreadOnly |
| void queryDisplayStatus(IHdmiControlCallback callback) { |
| assertRunOnServiceThread(); |
| if (hasAction(DevicePowerStatusAction.class)) { |
| Slog.w(TAG, "queryDisplayStatus already in progress"); |
| invokeCallback(callback, HdmiControlManager.RESULT_ALREADY_IN_PROGRESS); |
| return; |
| } |
| DevicePowerStatusAction action = DevicePowerStatusAction.create(this, |
| Constants.ADDR_TV, callback); |
| if (action == null) { |
| Slog.w(TAG, "Cannot initiate queryDisplayStatus"); |
| invokeCallback(callback, HdmiControlManager.RESULT_EXCEPTION); |
| return; |
| } |
| addAndStartAction(action); |
| } |
| |
| @ServiceThreadOnly |
| private void invokeCallback(IHdmiControlCallback callback, int result) { |
| assertRunOnServiceThread(); |
| try { |
| callback.onComplete(result); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Invoking callback failed:" + e); |
| } |
| } |
| |
| @Override |
| @ServiceThreadOnly |
| void onHotplug(int portId, boolean connected) { |
| assertRunOnServiceThread(); |
| mCecMessageCache.flushAll(); |
| mIsActiveSource = false; |
| if (connected && mService.isPowerStandbyOrTransient()) { |
| mService.wakeUp(); |
| } |
| } |
| |
| @ServiceThreadOnly |
| void markActiveSource() { |
| assertRunOnServiceThread(); |
| mIsActiveSource = true; |
| } |
| |
| @Override |
| @ServiceThreadOnly |
| protected boolean handleActiveSource(HdmiCecMessage message) { |
| assertRunOnServiceThread(); |
| int physicalAddress = HdmiUtils.twoBytesToInt(message.getParams()); |
| mayResetActiveSource(physicalAddress); |
| return true; // Broadcast message. |
| } |
| |
| private void mayResetActiveSource(int physicalAddress) { |
| if (physicalAddress != mService.getPhysicalAddress()) { |
| mIsActiveSource = false; |
| } |
| } |
| |
| @Override |
| @ServiceThreadOnly |
| protected boolean handleSetStreamPath(HdmiCecMessage message) { |
| assertRunOnServiceThread(); |
| int physicalAddress = HdmiUtils.twoBytesToInt(message.getParams()); |
| maySetActiveSource(physicalAddress); |
| maySendActiveSource(); |
| wakeUpIfActiveSource(); |
| return true; // Broadcast message. |
| } |
| |
| // Samsung model, we tested, sends <RoutingChange> and <RequestActiveSource> consecutively, |
| // Then if there is no <ActiveSource> response, it will change the input to |
| // the internal source. To handle this, we'll set ActiveSource aggressively. |
| @Override |
| @ServiceThreadOnly |
| protected boolean handleRoutingChange(HdmiCecMessage message) { |
| assertRunOnServiceThread(); |
| int newPath = HdmiUtils.twoBytesToInt(message.getParams(), 2); |
| maySetActiveSource(newPath); |
| return true; // Broadcast message. |
| } |
| |
| @Override |
| @ServiceThreadOnly |
| protected boolean handleRoutingInformation(HdmiCecMessage message) { |
| assertRunOnServiceThread(); |
| int physicalAddress = HdmiUtils.twoBytesToInt(message.getParams()); |
| maySetActiveSource(physicalAddress); |
| return true; // Broadcast message. |
| } |
| |
| private void maySetActiveSource(int physicalAddress) { |
| if (physicalAddress == mService.getPhysicalAddress()) { |
| mIsActiveSource = true; |
| } |
| } |
| |
| private void wakeUpIfActiveSource() { |
| if (mIsActiveSource && mService.isPowerStandbyOrTransient()) { |
| mService.wakeUp(); |
| } |
| } |
| |
| private void maySendActiveSource() { |
| if (mIsActiveSource) { |
| mService.sendCecCommand(HdmiCecMessageBuilder.buildActiveSource( |
| mAddress, mService.getPhysicalAddress())); |
| } |
| } |
| |
| @Override |
| @ServiceThreadOnly |
| protected boolean handleRequestActiveSource(HdmiCecMessage message) { |
| assertRunOnServiceThread(); |
| maySendActiveSource(); |
| return true; // Broadcast message. |
| } |
| |
| @Override |
| @ServiceThreadOnly |
| protected void disableDevice(boolean initiatedByCec, PendingActionClearedCallback callback) { |
| super.disableDevice(initiatedByCec, callback); |
| |
| assertRunOnServiceThread(); |
| if (!initiatedByCec && mIsActiveSource) { |
| mService.sendCecCommand(HdmiCecMessageBuilder.buildInactiveSource( |
| mAddress, mService.getPhysicalAddress())); |
| } |
| mIsActiveSource = false; |
| checkIfPendingActionsCleared(); |
| } |
| |
| @Override |
| protected void dump(final IndentingPrintWriter pw) { |
| super.dump(pw); |
| pw.println("mIsActiveSource: " + mIsActiveSource); |
| } |
| } |