Merge "Don't start an observer without an extcon device" (bd1e8596) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/ExtconUEventObserver.java

+7 −1

Original line number	Diff line number	Diff line
		@@ -159,7 +159,13 @@ public abstract class ExtconUEventObserver extends UEventObserver {
		}
		}

		/** Does the {@link /sys/class/extcon} directory exist */
		/** Does the {@code /sys/class/extcon/<name>} directory exist */
		public static boolean namedExtconDirExists(String name) {
		File extconDir = new File("/sys/class/extcon/" + name);
		return extconDir.exists() && extconDir.isDirectory();
		}

		/** Does the {@code /sys/class/extcon} directory exist */
		public static boolean extconExists() {
		File extconDir = new File("/sys/class/extcon");
		return extconDir.exists() && extconDir.isDirectory();

+7 −2

Original line number	Diff line number	Diff line
		@@ -3556,11 +3556,15 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		}
		}
		}
		} else if (ExtconUEventObserver.extconExists()) {
		} else if (ExtconUEventObserver.extconExists()
		&& ExtconUEventObserver.namedExtconDirExists(HdmiVideoExtconUEventObserver.NAME)) {
		HdmiVideoExtconUEventObserver observer = new HdmiVideoExtconUEventObserver();
		plugged = observer.init();
		mHDMIObserver = observer;
		} else if (localLOGV) {
		Slog.v(TAG, "Not observing HDMI plug state because HDMI was not found.");
		}

		// This dance forces the code in setHdmiPlugged to run.
		// Always do this so the sticky intent is stuck (to false) if there is no hdmi.
		mDefaultDisplayPolicy.setHdmiPlugged(plugged, true /* force */);
		@@ -5616,7 +5620,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {

		private class HdmiVideoExtconUEventObserver extends ExtconStateObserver<Boolean> {
		private static final String HDMI_EXIST = "HDMI=1";
		private final ExtconInfo mHdmi = new ExtconInfo("hdmi");
		private static final String NAME = "hdmi";
		private final ExtconInfo mHdmi = new ExtconInfo(NAME);

		private boolean init() {
		boolean plugged = false;