Merge "Cache Physical Address in HdmiControlManageri on tx hotplug event" (6d1661d6) · Commits · e / os / android_frameworks_base

core/java/android/hardware/hdmi/HdmiControlManager.java

+65 −16

Original line number	Diff line number	Diff line
		@@ -35,8 +35,10 @@ import android.os.SystemProperties;
		import android.util.ArrayMap;
		import android.util.Log;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.util.Preconditions;

		import java.util.ArrayList;
		import java.util.List;

		/**
		@@ -61,7 +63,31 @@ public final class HdmiControlManager {

		private static final int INVALID_PHYSICAL_ADDRESS = 0xFFFF;

		private int mPhysicalAddress = INVALID_PHYSICAL_ADDRESS;
		/**
		* A cache of the current device's physical address. When device's HDMI out port
		* is not connected to any device, it is set to {@link #INVALID_PHYSICAL_ADDRESS}.
		*
		* <p>Otherwise it is updated by the {@link ClientHotplugEventListener} registered
		* with {@link com.android.server.hdmi.HdmiControlService} by the
		* {@link #addHotplugEventListener(HotplugEventListener)} and the address is from
		* {@link com.android.server.hdmi.HdmiControlService#getPortInfo()}
		*/
		@GuardedBy("mLock")
		private int mLocalPhysicalAddress = INVALID_PHYSICAL_ADDRESS;

		private void setLocalPhysicalAddress(int physicalAddress) {
		synchronized (mLock) {
		mLocalPhysicalAddress = physicalAddress;
		}
		}

		private int getLocalPhysicalAddress() {
		synchronized (mLock) {
		return mLocalPhysicalAddress;
		}
		}

		private final Object mLock = new Object();

		/**
		* Broadcast Action: Display OSD message.
		@@ -318,6 +344,37 @@ public final class HdmiControlManager {
		mHasSwitchDevice = hasDeviceType(types, HdmiDeviceInfo.DEVICE_PURE_CEC_SWITCH);
		mIsSwitchDevice = SystemProperties.getBoolean(
		PROPERTY_HDMI_IS_DEVICE_HDMI_CEC_SWITCH, false);
		addHotplugEventListener(new ClientHotplugEventListener());
		}

		private final class ClientHotplugEventListener implements HotplugEventListener {

		@Override
		public void onReceived(HdmiHotplugEvent event) {
		List<HdmiPortInfo> ports = new ArrayList<>();
		try {
		ports = mService.getPortInfo();
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		if (ports.isEmpty()) {
		Log.e(TAG, "Can't find port info, not updating connected status. "
		+ "Hotplug event:" + event);
		return;
		}
		// If the HDMI OUT port is plugged or unplugged, update the mLocalPhysicalAddress
		for (HdmiPortInfo port : ports) {
		if (port.getId() == event.getPort()) {
		if (port.getType() == HdmiPortInfo.PORT_OUTPUT) {
		setLocalPhysicalAddress(
		event.isConnected()
		? port.getAddress()
		: INVALID_PHYSICAL_ADDRESS);
		}
		break;
		}
		}
		}
		}

		private static boolean hasDeviceType(int[] types, int type) {
		@@ -616,15 +673,7 @@ public final class HdmiControlManager {
		*/
		@SystemApi
		public int getPhysicalAddress() {
		if (mPhysicalAddress != INVALID_PHYSICAL_ADDRESS) {
		return mPhysicalAddress;
		}
		try {
		mPhysicalAddress = mService.getPhysicalAddress();
		return mPhysicalAddress;
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		return getLocalPhysicalAddress();
		}

		/**
		@@ -641,15 +690,15 @@ public final class HdmiControlManager {
		@SystemApi
		public boolean isDeviceConnected(@NonNull HdmiDeviceInfo targetDevice) {
		Preconditions.checkNotNull(targetDevice);
		mPhysicalAddress = getPhysicalAddress();
		if (mPhysicalAddress == INVALID_PHYSICAL_ADDRESS) {
		int physicalAddress = getLocalPhysicalAddress();
		if (physicalAddress == INVALID_PHYSICAL_ADDRESS) {
		return false;
		}
		int targetPhysicalAddress = targetDevice.getPhysicalAddress();
		if (targetPhysicalAddress == INVALID_PHYSICAL_ADDRESS) {
		return false;
		}
		return HdmiUtils.getLocalPortFromPhysicalAddress(targetPhysicalAddress, mPhysicalAddress)
		return HdmiUtils.getLocalPortFromPhysicalAddress(targetPhysicalAddress, physicalAddress)
		!= HdmiUtils.TARGET_NOT_UNDER_LOCAL_DEVICE;
		}

		@@ -662,15 +711,15 @@ public final class HdmiControlManager {
		@SystemApi
		public boolean isRemoteDeviceConnected(@NonNull HdmiDeviceInfo targetDevice) {
		Preconditions.checkNotNull(targetDevice);
		mPhysicalAddress = getPhysicalAddress();
		if (mPhysicalAddress == INVALID_PHYSICAL_ADDRESS) {
		int physicalAddress = getLocalPhysicalAddress();
		if (physicalAddress == INVALID_PHYSICAL_ADDRESS) {
		return false;
		}
		int targetPhysicalAddress = targetDevice.getPhysicalAddress();
		if (targetPhysicalAddress == INVALID_PHYSICAL_ADDRESS) {
		return false;
		}
		return HdmiUtils.getLocalPortFromPhysicalAddress(targetPhysicalAddress, mPhysicalAddress)
		return HdmiUtils.getLocalPortFromPhysicalAddress(targetPhysicalAddress, physicalAddress)
		!= HdmiUtils.TARGET_NOT_UNDER_LOCAL_DEVICE;
		}