PowerManagerService: Animate LCD backlight changes due to autobrightness support. (dd9668ec) · Commits · e / os / android_frameworks_base

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

+41 −17

Original line number	Diff line number	Diff line
		@@ -131,6 +131,8 @@ class PowerManagerService extends IPowerManager.Stub
		static final boolean ANIMATE_KEYBOARD_LIGHTS = false;

		static final int ANIM_STEPS = 60/4;
		// Slower animation for autobrightness changes
		static final int AUTOBRIGHTNESS_ANIM_STEPS = 60;

		// These magic numbers are the initial state of the LEDs at boot. Ideally
		// we should read them from the driver, but our current hardware returns 0
		@@ -224,7 +226,7 @@ class PowerManagerService extends IPowerManager.Stub

		// could be either static or controllable at runtime
		private static final boolean mSpew = false;
		private static final boolean mDebugLightSensor = false;
		private static final boolean mDebugLightSensor = (false \|\| mSpew);

		/*
		static PrintStream mLog;
		@@ -1925,27 +1927,45 @@ class PowerManagerService extends IPowerManager.Stub
		Log.d(TAG, "keyboardValue " + keyboardValue);
		}

		boolean startAnimation = false;
		if (mScreenBrightnessOverride < 0) {
		if (ANIMATE_SCREEN_LIGHTS) {
		if (mScreenBrightness.setTargetLocked(lcdValue,
		AUTOBRIGHTNESS_ANIM_STEPS, INITIAL_SCREEN_BRIGHTNESS,
		(int)mScreenBrightness.curValue)) {
		startAnimation = true;
		}
		} else {
		mHardware.setLightBrightness_UNCHECKED(HardwareService.LIGHT_ID_BACKLIGHT,
		lcdValue);
		}
		}
		if (ANIMATE_BUTTON_LIGHTS) {
		if (mButtonBrightness.setTargetLocked(buttonValue,
		AUTOBRIGHTNESS_ANIM_STEPS, INITIAL_BUTTON_BRIGHTNESS,
		(int)mButtonBrightness.curValue)) {
		startAnimation = true;
		}
		} else {
		mHardware.setLightBrightness_UNCHECKED(HardwareService.LIGHT_ID_BUTTONS,
		buttonValue);
		}
		if (ANIMATE_KEYBOARD_LIGHTS) {
		if (mKeyboardBrightness.setTargetLocked(keyboardValue,
		AUTOBRIGHTNESS_ANIM_STEPS, INITIAL_BUTTON_BRIGHTNESS,
		(int)mKeyboardBrightness.curValue)) {
		startAnimation = true;
		}
		} else {
		mHardware.setLightBrightness_UNCHECKED(HardwareService.LIGHT_ID_KEYBOARD,
		keyboardValue);

		// update our animation state
		if (ANIMATE_SCREEN_LIGHTS) {
		mScreenBrightness.curValue = lcdValue;
		mScreenBrightness.animating = false;
		}
		if (ANIMATE_BUTTON_LIGHTS) {
		mButtonBrightness.curValue = buttonValue;
		mButtonBrightness.animating = false;
		if (startAnimation) {
		if (mDebugLightSensor) {
		Log.i(TAG, "lightSensorChangedLocked scheduling light animator");
		}
		if (ANIMATE_KEYBOARD_LIGHTS) {
		mKeyboardBrightness.curValue = keyboardValue;
		mKeyboardBrightness.animating = false;
		mHandler.removeCallbacks(mLightAnimator);
		mHandler.post(mLightAnimator);
		}
		}
		}
		@@ -2041,6 +2061,7 @@ class PowerManagerService extends IPowerManager.Stub
		if (mAutoBrightessEnabled != enabled) {
		mAutoBrightessEnabled = enabled;
		// reset computed brightness
		mLightSensorValue = -1;
		mLightSensorBrightness = -1;

		if (mHasHardwareAutoBrightness) {
		@@ -2263,14 +2284,17 @@ class PowerManagerService extends IPowerManager.Stub
		if (ANIMATE_SCREEN_LIGHTS) {
		mScreenBrightness.curValue = brightness;
		mScreenBrightness.animating = false;
		mScreenBrightness.targetValue = -1;
		}
		if (ANIMATE_KEYBOARD_LIGHTS) {
		mKeyboardBrightness.curValue = brightness;
		mKeyboardBrightness.animating = false;
		mKeyboardBrightness.targetValue = -1;
		}
		if (ANIMATE_BUTTON_LIGHTS) {
		mButtonBrightness.curValue = brightness;
		mButtonBrightness.animating = false;
		mButtonBrightness.targetValue = -1;
		}
		}