Merge "Add DisplayGroupListener interface" (610ebb2a) · Commits · e / os / android_frameworks_base

core/java/android/hardware/display/DisplayManagerInternal.java

+42 −0

Original line number	Diff line number	Diff line
		@@ -465,4 +465,46 @@ public abstract class DisplayManagerInternal {
		public interface DisplayTransactionListener {
		void onDisplayTransaction(Transaction t);
		}

		/**
		* Called when there are changes to {@link com.android.server.display.DisplayGroup
		* DisplayGroups}.
		*/
		public interface DisplayGroupListener {
		/**
		* A new display group with the provided {@code groupId} was added.
		*
		* <ol>
		* <li>The {@code groupId} is applied to all appropriate {@link Display displays}.
		* <li>This method is called.
		* <li>{@link android.hardware.display.DisplayManager.DisplayListener DisplayListeners}
		* are informed of any corresponding changes.
		* </ol>
		*/
		void onDisplayGroupAdded(int groupId);

		/**
		* The display group with the provided {@code groupId} was removed.
		*
		* <ol>
		* <li>All affected {@link Display displays} have their group IDs updated appropriately.
		* <li>{@link android.hardware.display.DisplayManager.DisplayListener DisplayListeners}
		* are informed of any corresponding changes.
		* <li>This method is called.
		* </ol>
		*/
		void onDisplayGroupRemoved(int groupId);

		/**
		* The display group with the provided {@code groupId} has changed.
		*
		* <ol>
		* <li>All affected {@link Display displays} have their group IDs updated appropriately.
		* <li>{@link android.hardware.display.DisplayManager.DisplayListener DisplayListeners}
		* are informed of any corresponding changes.
		* <li>This method is called.
		* </ol>
		*/
		void onDisplayGroupChanged(int groupId);
		}
		}