Merge remote-tracking branch 'origin/lineage-23.0' into a16 (fd78eab5) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/display/ExtendedRemoteDisplayHelper.java

+35 −9

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@ import android.content.Context;
		import android.media.RemoteDisplay;
		import android.os.Handler;
		import android.util.Slog;
		import dalvik.system.PathClassLoader;

		import java.lang.reflect.Constructor;
		import java.lang.reflect.InvocationTargetException;
		@@ -42,6 +43,9 @@ class ExtendedRemoteDisplayHelper {
		private static final String TAG = "ExtendedRemoteDisplayHelper";
		private static final boolean DEBUG = false;

		private static final String WFD_COMMON_JAR = "/system_ext/framework/WfdCommon.jar";
		private static final String EXTDISP_WFD_CLASS = "com.qualcomm.wfd.ExtendedRemoteDisplay";

		// ExtendedRemoteDisplay class
		// ExtendedRemoteDisplay is an enhanced RemoteDisplay.
		// It has similar interface as RemoteDisplay class.
		@@ -59,32 +63,54 @@ class ExtendedRemoteDisplayHelper {
		static {
		// Check availability of ExtendedRemoteDisplay runtime
		try {
		sExtRemoteDisplayClass = Class.forName("com.qualcomm.wfd.ExtendedRemoteDisplay");
		sExtRemoteDisplayClass = Class.forName(EXTDISP_WFD_CLASS);
		} catch (Throwable t) {
		if (DEBUG) {
		Slog.i(TAG, "ExtendedRemoteDisplay: failed to find on the boot classpath, " +
		"checking for [" + WFD_COMMON_JAR + "]");
		}

		try {
		final PathClassLoader wfdCommonJarClassLoader = new PathClassLoader(
		WFD_COMMON_JAR, ClassLoader.getSystemClassLoader());
		sExtRemoteDisplayClass = wfdCommonJarClassLoader.loadClass(EXTDISP_WFD_CLASS);
		} catch (Throwable anotherT) {
		Slog.i(TAG, "ExtendedRemoteDisplay: not available");
		}
		}

		if (sExtRemoteDisplayClass != null) {
		// If ExtendedRemoteDisplay is available find the methods
		Slog.i(TAG, "ExtendedRemoteDisplay: is available, finding methods");
		try {
		Class args[] = { String.class, RemoteDisplay.Listener.class,

		final Class listenArgs[] = { String.class, RemoteDisplay.Listener.class,
		Handler.class, Context.class };
		try {
		sExtRemoteDisplayListen =
		sExtRemoteDisplayClass.getDeclaredMethod("listen", args);
		sExtRemoteDisplayClass.getDeclaredMethod("listen", listenArgs);
		} catch (Throwable t) {
		try {
		sExtRemoteDisplayListen =
		sExtRemoteDisplayClass.getMethod("listen", listenArgs);
		} catch (Throwable anotherT) {
		Slog.i(TAG, "ExtendedRemoteDisplay.listen: not available");
		}
		}

		final Class disposeArgs[] = {};
		try {
		Class args[] = {};
		sExtRemoteDisplayDispose =
		sExtRemoteDisplayClass.getDeclaredMethod("dispose", args);
		sExtRemoteDisplayClass.getDeclaredMethod("dispose", disposeArgs);
		} catch (Throwable t) {
		try {
		sExtRemoteDisplayDispose =
		sExtRemoteDisplayClass.getMethod("dispose", disposeArgs);
		} catch (Throwable anotherT) {
		Slog.i(TAG, "ExtendedRemoteDisplay.dispose: not available");
		}
		}
		}
		}

		/**
		* Starts listening for displays to be connected on the specified interface.