Merge "Add hidden system dream API in DreamManagerService." into tm-qpr-dev (68e81c21) · Commits · e / os / android_frameworks_base

core/api/test-current.txt

+2 −1

Original line number	Diff line number	Diff line
		@@ -286,7 +286,8 @@ package android.app {
		method @RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE) public void setActiveDream(@Nullable android.content.ComponentName);
		method @RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE) public void setDreamOverlay(@Nullable android.content.ComponentName);
		method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void setScreensaverEnabled(boolean);
		method @RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE) public void startDream(@NonNull android.content.ComponentName);
		method @RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE) public void setSystemDreamComponent(@Nullable android.content.ComponentName);
		method @RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE) public void startDream();
		method @RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE) public void stopDream();
		}

core/java/android/app/DreamManager.java

+28 −3

Original line number	Diff line number	Diff line
		@@ -18,7 +18,6 @@ package android.app;

		import static android.Manifest.permission.WRITE_SECURE_SETTINGS;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.annotation.RequiresPermission;
		import android.annotation.SystemService;
		@@ -86,16 +85,23 @@ public class DreamManager {
		}

		/**
		* Starts dream service with name "name".
		* Starts dreaming.
		*
		* The system dream component, if set by {@link DreamManager#setSystemDreamComponent}, will be
		* started.
		* Otherwise, starts the active dream set by {@link DreamManager#setActiveDream}.
		*
		* <p>This is only used for testing the dream service APIs.
		*
		* @see DreamManager#setActiveDream(ComponentName)
		* @see DreamManager#setSystemDreamComponent(ComponentName)
		*
		* @hide
		*/
		@TestApi
		@UserHandleAware
		@RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE)
		public void startDream(@NonNull ComponentName name) {
		public void startDream() {
		try {
		mService.dream();
		} catch (RemoteException e) {
		@@ -141,6 +147,25 @@ public class DreamManager {
		}
		}

		/**
		* Sets or clears the system dream component.
		*
		* The system dream component, when set, will be shown instead of the user configured dream
		* when the system starts dreaming (not dozing). If the system is dreaming at the time the
		* system dream is set or cleared, it immediately switches dream.
		*
		* @hide
		*/
		@TestApi
		@RequiresPermission(android.Manifest.permission.WRITE_DREAM_STATE)
		public void setSystemDreamComponent(@Nullable ComponentName dreamComponent) {
		try {
		mService.setSystemDreamComponent(dreamComponent);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}

		/**
		* Sets the active dream on the device to be "dreamComponent".
		*

core/java/android/service/dreams/IDreamManager.aidl

+1 −0

Original line number	Diff line number	Diff line
		@@ -43,5 +43,6 @@ interface IDreamManager {
		void forceAmbientDisplayEnabled(boolean enabled);
		ComponentName[] getDreamComponentsForUser(int userId);
		void setDreamComponentsForUser(int userId, in ComponentName[] componentNames);
		void setSystemDreamComponent(in ComponentName componentName);
		void registerDreamOverlayService(in ComponentName componentName);
		}

services/core/java/com/android/server/dreams/DreamManagerService.java

+41 −0

Original line number	Diff line number	Diff line
		@@ -110,6 +110,10 @@ public final class DreamManagerService extends SystemService {
		private int mCurrentDreamDozeScreenState = Display.STATE_UNKNOWN;
		private int mCurrentDreamDozeScreenBrightness = PowerManager.BRIGHTNESS_DEFAULT;

		// A temporary dream component that, when present, takes precedence over user configured dream
		// component.
		private ComponentName mSystemDreamComponent;

		private ComponentName mDreamOverlayServiceName;

		private AmbientDisplayConfiguration mDozeConfig;
		@@ -352,11 +356,21 @@ public final class DreamManagerService extends SystemService {
		return chooseDreamForUser(doze, ActivityManager.getCurrentUser());
		}

		/**
		* If doze is true, returns the doze component for the user.
		* Otherwise, returns the system dream component, if present.
		* Otherwise, returns the first valid user configured dream component.
		*/
		private ComponentName chooseDreamForUser(boolean doze, int userId) {
		if (doze) {
		ComponentName dozeComponent = getDozeComponent(userId);
		return validateDream(dozeComponent) ? dozeComponent : null;
		}

		if (mSystemDreamComponent != null) {
		return mSystemDreamComponent;
		}

		ComponentName[] dreams = getDreamComponentsForUser(userId);
		return dreams != null && dreams.length != 0 ? dreams[0] : null;
		}
		@@ -416,6 +430,21 @@ public final class DreamManagerService extends SystemService {
		userId);
		}

		private void setSystemDreamComponentInternal(ComponentName componentName) {
		synchronized (mLock) {
		if (Objects.equals(mSystemDreamComponent, componentName)) {
		return;
		}

		mSystemDreamComponent = componentName;

		// Switch dream if currently dreaming and not dozing.
		if (isDreamingInternal() && !mCurrentDreamIsDozing) {
		startDreamInternal(false);
		}
		}
		}

		private ComponentName getDefaultDreamComponentForUser(int userId) {
		String name = Settings.Secure.getStringForUser(mContext.getContentResolver(),
		Settings.Secure.SCREENSAVER_DEFAULT_COMPONENT,
		@@ -667,6 +696,18 @@ public final class DreamManagerService extends SystemService {
		}
		}

		@Override // Binder call
		public void setSystemDreamComponent(ComponentName componentName) {
		checkPermission(android.Manifest.permission.WRITE_DREAM_STATE);

		final long ident = Binder.clearCallingIdentity();
		try {
		DreamManagerService.this.setSystemDreamComponentInternal(componentName);
		} finally {
		Binder.restoreCallingIdentity(ident);
		}
		}

		@Override // Binder call
		public void registerDreamOverlayService(ComponentName overlayComponent) {
		checkPermission(android.Manifest.permission.WRITE_DREAM_STATE);