Merge "Make PowerManagerService use float for brightness" into rvc-dev am:... (215507cf) · Commits · e / os / android_frameworks_base

core/java/android/os/PowerManagerInternal.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -102,9 +102,9 @@ public abstract class PowerManagerInternal {
		*
		* This method must only be called by the window manager.
		*
		* @param brightness The overridden brightness, or -1 to disable the override.
		* @param brightness The overridden brightness, or Float.NaN to disable the override.
		*/
		public abstract void setScreenBrightnessOverrideFromWindowManager(int brightness);
		public abstract void setScreenBrightnessOverrideFromWindowManager(float brightness);

		/**
		* Used by the window manager to override the user activity timeout based on the

services/core/java/com/android/server/power/PowerManagerService.java

+14 −19

Original line number	Diff line number	Diff line
		@@ -513,10 +513,7 @@ public final class PowerManagerService extends SystemService

		// The screen brightness setting override from the window manager
		// to allow the current foreground activity to override the brightness.
		// Use -1 to disable.
		private int mScreenBrightnessOverrideFromWindowManager = -1;

		private float mScreenBrightnessOverrideFromWindowManagerFloat =
		private float mScreenBrightnessOverrideFromWindowManager =
		PowerManager.BRIGHTNESS_INVALID_FLOAT;

		// The window manager has determined the user to be inactive via other means.
		@@ -2846,7 +2843,7 @@ public final class PowerManagerService extends SystemService
		screenBrightnessOverride = mScreenBrightnessSettingDefault;
		} else if (isValidBrightness(mScreenBrightnessOverrideFromWindowManager)) {
		autoBrightness = false;
		screenBrightnessOverride = mScreenBrightnessOverrideFromWindowManagerFloat;
		screenBrightnessOverride = mScreenBrightnessOverrideFromWindowManager;
		} else {
		autoBrightness = (mScreenBrightnessModeSetting ==
		Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
		@@ -2927,8 +2924,8 @@ public final class PowerManagerService extends SystemService
		return !mIsVrModeEnabled && mScreenBrightnessBoostInProgress;
		}

		private static boolean isValidBrightness(int value) {
		return value >= 0 && value <= 255;
		private static boolean isValidBrightness(float value) {
		return value >= PowerManager.BRIGHTNESS_MIN && value <= PowerManager.BRIGHTNESS_MAX;
		}

		@VisibleForTesting
		@@ -3583,13 +3580,11 @@ public final class PowerManagerService extends SystemService
		}
		}

		// TODO(brightnessfloat): change to float
		private void setScreenBrightnessOverrideFromWindowManagerInternal(int brightness) {
		private void setScreenBrightnessOverrideFromWindowManagerInternal(float brightness) {
		synchronized (mLock) {
		if (mScreenBrightnessOverrideFromWindowManager != brightness) {
		if (!BrightnessSynchronizer.floatEquals(mScreenBrightnessOverrideFromWindowManager,
		brightness)) {
		mScreenBrightnessOverrideFromWindowManager = brightness;
		mScreenBrightnessOverrideFromWindowManagerFloat =
		BrightnessSynchronizer.brightnessIntToFloat(mContext, brightness);
		mDirty \|= DIRTY_SETTINGS;
		updatePowerStateLocked();
		}
		@@ -3890,8 +3885,8 @@ public final class PowerManagerService extends SystemService
		+ isMaximumScreenOffTimeoutFromDeviceAdminEnforcedLocked() + ")");
		pw.println(" mStayOnWhilePluggedInSetting=" + mStayOnWhilePluggedInSetting);
		pw.println(" mScreenBrightnessModeSetting=" + mScreenBrightnessModeSetting);
		pw.println(" mScreenBrightnessOverrideFromWindowManagerFloat="
		+ mScreenBrightnessOverrideFromWindowManagerFloat);
		pw.println(" mScreenBrightnessOverrideFromWindowManager="
		+ mScreenBrightnessOverrideFromWindowManager);
		pw.println(" mUserActivityTimeoutOverrideFromWindowManager="
		+ mUserActivityTimeoutOverrideFromWindowManager);
		pw.println(" mUserInactiveOverrideFromWindowManager="
		@@ -4231,7 +4226,7 @@ public final class PowerManagerService extends SystemService
		proto.write(
		PowerServiceSettingsAndConfigurationDumpProto
		.SCREEN_BRIGHTNESS_OVERRIDE_FROM_WINDOW_MANAGER,
		mScreenBrightnessOverrideFromWindowManagerFloat);
		mScreenBrightnessOverrideFromWindowManager);
		proto.write(
		PowerServiceSettingsAndConfigurationDumpProto
		.USER_ACTIVITY_TIMEOUT_OVERRIDE_FROM_WINDOW_MANAGER_MS,
		@@ -5430,10 +5425,10 @@ public final class PowerManagerService extends SystemService
		@VisibleForTesting
		final class LocalService extends PowerManagerInternal {
		@Override
		public void setScreenBrightnessOverrideFromWindowManager(int screenBrightness) {
		if (screenBrightness < PowerManager.BRIGHTNESS_DEFAULT
		\|\| screenBrightness > PowerManager.BRIGHTNESS_ON) {
		screenBrightness = PowerManager.BRIGHTNESS_DEFAULT;
		public void setScreenBrightnessOverrideFromWindowManager(float screenBrightness) {
		if (screenBrightness < PowerManager.BRIGHTNESS_MIN
		\|\| screenBrightness > PowerManager.BRIGHTNESS_MAX) {
		screenBrightness = PowerManager.BRIGHTNESS_INVALID_FLOAT;
		}
		setScreenBrightnessOverrideFromWindowManagerInternal(screenBrightness);
		}

services/core/java/com/android/server/wm/RootWindowContainer.java

+12 −13

Original line number	Diff line number	Diff line
		@@ -178,7 +178,7 @@ class RootWindowContainer extends WindowContainer<DisplayContent>

		private Object mLastWindowFreezeSource = null;
		private Session mHoldScreen = null;
		private float mScreenBrightness = -1;
		private float mScreenBrightnessOverride = PowerManager.BRIGHTNESS_INVALID_FLOAT;
		private long mUserActivityTimeout = -1;
		private boolean mUpdateRotation = false;
		// Following variables are for debugging screen wakelock only.
		@@ -826,7 +826,7 @@ class RootWindowContainer extends WindowContainer<DisplayContent>
		}

		mHoldScreen = null;
		mScreenBrightness = -1;
		mScreenBrightnessOverride = PowerManager.BRIGHTNESS_INVALID_FLOAT;
		mUserActivityTimeout = -1;
		mObscureApplicationContentOnSecondaryDisplays = false;
		mSustainedPerformanceModeCurrent = false;
		@@ -936,12 +936,14 @@ class RootWindowContainer extends WindowContainer<DisplayContent>

		mWmService.setHoldScreenLocked(mHoldScreen);
		if (!mWmService.mDisplayFrozen) {
		final int brightness = mScreenBrightness < 0 \|\| mScreenBrightness > 1.0f
		? -1 : toBrightnessOverride(mScreenBrightness);

		final float brightnessOverride = mScreenBrightnessOverride < PowerManager.BRIGHTNESS_MIN
		\|\| mScreenBrightnessOverride > PowerManager.BRIGHTNESS_MAX
		? PowerManager.BRIGHTNESS_INVALID_FLOAT : mScreenBrightnessOverride;
		int brightnessFloatAsIntBits = Float.floatToIntBits(brightnessOverride);
		// Post these on a handler such that we don't call into power manager service while
		// holding the window manager lock to avoid lock contention with power manager lock.
		mHandler.obtainMessage(SET_SCREEN_BRIGHTNESS_OVERRIDE, brightness, 0).sendToTarget();
		mHandler.obtainMessage(SET_SCREEN_BRIGHTNESS_OVERRIDE, brightnessFloatAsIntBits,
		0).sendToTarget();
		mHandler.obtainMessage(SET_USER_ACTIVITY_TIMEOUT, mUserActivityTimeout).sendToTarget();
		}

		@@ -1125,8 +1127,9 @@ class RootWindowContainer extends WindowContainer<DisplayContent>
		+ "has FLAG_KEEP_SCREEN_ON!!! called by%s",
		w, Debug.getCallers(10));
		}
		if (!syswin && w.mAttrs.screenBrightness >= 0 && mScreenBrightness < 0) {
		mScreenBrightness = w.mAttrs.screenBrightness;
		if (!syswin && w.mAttrs.screenBrightness >= 0
		&& Float.isNaN(mScreenBrightnessOverride)) {
		mScreenBrightnessOverride = w.mAttrs.screenBrightness;
		}

		final int type = attrs.type;
		@@ -1190,10 +1193,6 @@ class RootWindowContainer extends WindowContainer<DisplayContent>
		return doRequest;
		}

		private static int toBrightnessOverride(float value) {
		return (int)(value * PowerManager.BRIGHTNESS_ON);
		}

		private final class MyHandler extends Handler {

		public MyHandler(Looper looper) {
		@@ -1205,7 +1204,7 @@ class RootWindowContainer extends WindowContainer<DisplayContent>
		switch (msg.what) {
		case SET_SCREEN_BRIGHTNESS_OVERRIDE:
		mWmService.mPowerManagerInternal.setScreenBrightnessOverrideFromWindowManager(
		msg.arg1);
		Float.intBitsToFloat(msg.arg1));
		break;
		case SET_USER_ACTIVITY_TIMEOUT:
		mWmService.mPowerManagerInternal.