Merge "Add background executor fow WmShell" into tm-dev (a73a4428) · Commits · e / os / android_frameworks_base

libs/WindowManager/Shell/src/com/android/wm/shell/common/annotations/ShellBackgroundThread.java

0 → 100644

+33 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2021 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.wm.shell.common.annotations;


		import java.lang.annotation.Documented;
		import java.lang.annotation.Inherited;
		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;

		import javax.inject.Qualifier;

		/** Annotates a method or qualifies a provider that runs on the shared background thread */
		@Documented
		@Inherited
		@Qualifier
		@Retention(RetentionPolicy.RUNTIME)
		public @interface ShellBackgroundThread {
		}

libs/WindowManager/Shell/src/com/android/wm/shell/dagger/WMShellConcurrencyModule.java

+26 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.wm.shell.dagger;

		import static android.os.Process.THREAD_PRIORITY_BACKGROUND;
		import static android.os.Process.THREAD_PRIORITY_DISPLAY;
		import static android.os.Process.THREAD_PRIORITY_TOP_APP_BOOST;

		@@ -36,6 +37,7 @@ import com.android.wm.shell.common.ShellExecutor;
		import com.android.wm.shell.common.annotations.ChoreographerSfVsync;
		import com.android.wm.shell.common.annotations.ExternalMainThread;
		import com.android.wm.shell.common.annotations.ShellAnimationThread;
		import com.android.wm.shell.common.annotations.ShellBackgroundThread;
		import com.android.wm.shell.common.annotations.ShellMainThread;
		import com.android.wm.shell.common.annotations.ShellSplashscreenThread;

		@@ -195,4 +197,28 @@ public abstract class WMShellConcurrencyModule {
		throw new RuntimeException("Failed to initialize SfVsync animation handler in 1s", e);
		}
		}

		/**
		* Provides a Shell background thread Handler for low priority background tasks.
		*/
		@WMSingleton
		@Provides
		@ShellBackgroundThread
		public static Handler provideSharedBackgroundHandler() {
		HandlerThread shellBackgroundThread = new HandlerThread("wmshell.background",
		THREAD_PRIORITY_BACKGROUND);
		shellBackgroundThread.start();
		return shellBackgroundThread.getThreadHandler();
		}

		/**
		* Provides a Shell background thread Executor for low priority background tasks.
		*/
		@WMSingleton
		@Provides
		@ShellBackgroundThread
		public static ShellExecutor provideSharedBackgroundExecutor(
		@ShellBackgroundThread Handler handler) {
		return new HandlerExecutor(handler);
		}
		}