Merge "Store Brightness Per Display" into sc-dev (acc5fbcb) · Commits · e / os / android_frameworks_base

core/java/android/hardware/display/DisplayManager.java

+38 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package android.hardware.display;
		import static android.view.Display.DEFAULT_DISPLAY;

		import android.Manifest;
		import android.annotation.FloatRange;
		import android.annotation.IntDef;
		import android.annotation.LongDef;
		import android.annotation.NonNull;
		@@ -921,6 +922,43 @@ public final class DisplayManager {
		mGlobal.setTemporaryBrightness(displayId, brightness);
		}


		/**
		* Sets the brightness of the specified display.
		* <p>
		* Requires the {@link android.Manifest.permission#CONTROL_DISPLAY_BRIGHTNESS}
		* permission.
		* </p>
		*
		* @param displayId the logical display id
		* @param brightness The brightness value from 0.0f to 1.0f.
		*
		* @hide
		*/
		@RequiresPermission(Manifest.permission.CONTROL_DISPLAY_BRIGHTNESS)
		public void setBrightness(int displayId, @FloatRange(from = 0f, to = 1f) float brightness) {
		mGlobal.setBrightness(displayId, brightness);
		}


		/**
		* Gets the brightness of the specified display.
		* <p>
		* Requires the {@link android.Manifest.permission#CONTROL_DISPLAY_BRIGHTNESS}
		* permission.
		* </p>
		*
		* @param displayId The display of which brightness value to get from.
		*
		* @hide
		*/
		@RequiresPermission(Manifest.permission.CONTROL_DISPLAY_BRIGHTNESS)
		@FloatRange(from = 0f, to = 1f)
		public float getBrightness(int displayId) {
		return mGlobal.getBrightness(displayId);
		}


		/**
		* Temporarily sets the auto brightness adjustment factor.
		* <p>

core/java/android/hardware/display/DisplayManagerGlobal.java

+31 −0

Original line number	Diff line number	Diff line
		@@ -690,6 +690,37 @@ public final class DisplayManagerGlobal {
		}
		}


		/**
		* Sets the brightness of the display.
		*
		* @param brightness The brightness value from 0.0f to 1.0f.
		*
		* @hide
		*/
		public void setBrightness(int displayId, float brightness) {
		try {
		mDm.setBrightness(displayId, brightness);
		} catch (RemoteException ex) {
		throw ex.rethrowFromSystemServer();
		}
		}

		/**
		* Gets the brightness of the display.
		*
		* @param displayId The display from which to get the brightness
		*
		* @hide
		*/
		public float getBrightness(int displayId) {
		try {
		return mDm.getBrightness(displayId);
		} catch (RemoteException ex) {
		throw ex.rethrowFromSystemServer();
		}
		}

		/**
		* Temporarily sets the auto brightness adjustment factor.
		* <p>

core/java/android/hardware/display/IDisplayManager.aidl

+6 −0

Original line number	Diff line number	Diff line
		@@ -119,6 +119,12 @@ interface IDisplayManager {
		// Temporarily sets the display brightness.
		void setTemporaryBrightness(int displayId, float brightness);

		// Saves the display brightness.
		void setBrightness(int displayId, float brightness);

		// Retrieves the display brightness.
		float getBrightness(int displayId);

		// Temporarily sets the auto brightness adjustment factor.
		void setTemporaryAutoBrightnessAdjustment(float adjustment);

core/java/com/android/internal/display/BrightnessSynchronizer.java

+14 −13

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ package com.android.internal.display;
		import android.content.ContentResolver;
		import android.content.Context;
		import android.database.ContentObserver;
		import android.hardware.display.DisplayManager;
		import android.net.Uri;
		import android.os.Handler;
		import android.os.Looper;
		@@ -28,6 +29,7 @@ import android.os.PowerManager;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.util.MathUtils;
		import android.view.Display;

		import java.util.LinkedList;
		import java.util.Queue;
		@@ -52,6 +54,7 @@ public class BrightnessSynchronizer {
		// This value is approximately 1/3 of the smallest possible brightness value.
		public static final float EPSILON = 0.001f;

		private DisplayManager mDisplayManager;
		private final Context mContext;

		private final Queue<Object> mWriteHistory = new LinkedList<>();
		@@ -87,11 +90,15 @@ public class BrightnessSynchronizer {
		* value, if float is invalid. If both are invalid, use default float value from config.
		*/
		public void startSynchronizing() {
		if (mDisplayManager == null) {
		mDisplayManager = mContext.getSystemService(DisplayManager.class);
		}

		final BrightnessSyncObserver brightnessSyncObserver;
		brightnessSyncObserver = new BrightnessSyncObserver(mHandler);
		brightnessSyncObserver.startObserving();

		final float currentFloatBrightness = getScreenBrightnessFloat(mContext);
		final float currentFloatBrightness = getScreenBrightnessFloat();
		final int currentIntBrightness = getScreenBrightnessInt(mContext);

		if (!Float.isNaN(currentFloatBrightness)) {
		@@ -101,9 +108,7 @@ public class BrightnessSynchronizer {
		} else {
		final float defaultBrightness = mContext.getResources().getFloat(
		com.android.internal.R.dimen.config_screenBrightnessSettingDefaultFloat);
		Settings.System.putFloatForUser(mContext.getContentResolver(),
		Settings.System.SCREEN_BRIGHTNESS_FLOAT, defaultBrightness,
		UserHandle.USER_CURRENT);
		mDisplayManager.setBrightness(Display.DEFAULT_DISPLAY, defaultBrightness);

		}
		}
		@@ -135,7 +140,7 @@ public class BrightnessSynchronizer {
		/**
		* Translates specified value from the float brightness system to the int brightness system,
		* given the min/max of each range. Accounts for special values such as OFF and invalid values.
		* Value returned as a float privimite (to preserve precision), but is a value within the
		* Value returned as a float primitive (to preserve precision), but is a value within the
		* int-system range.
		*/
		public static float brightnessFloatToIntRange(float brightnessFloat) {
		@@ -152,10 +157,8 @@ public class BrightnessSynchronizer {
		}
		}

		private static float getScreenBrightnessFloat(Context context) {
		return Settings.System.getFloatForUser(context.getContentResolver(),
		Settings.System.SCREEN_BRIGHTNESS_FLOAT, PowerManager.BRIGHTNESS_INVALID_FLOAT,
		UserHandle.USER_CURRENT);
		private float getScreenBrightnessFloat() {
		return mDisplayManager.getBrightness(Display.DEFAULT_DISPLAY);
		}

		private static int getScreenBrightnessInt(Context context) {
		@@ -184,9 +187,7 @@ public class BrightnessSynchronizer {
		float newBrightnessFloat = brightnessIntToFloat(value);
		mWriteHistory.offer(newBrightnessFloat);
		mPreferredSettingValue = newBrightnessFloat;
		Settings.System.putFloatForUser(mContext.getContentResolver(),
		Settings.System.SCREEN_BRIGHTNESS_FLOAT, newBrightnessFloat,
		UserHandle.USER_CURRENT);
		mDisplayManager.setBrightness(Display.DEFAULT_DISPLAY, newBrightnessFloat);
		}
		}

		@@ -255,7 +256,7 @@ public class BrightnessSynchronizer {
		mHandler.removeMessages(MSG_UPDATE_FLOAT);
		mHandler.obtainMessage(MSG_UPDATE_FLOAT, currentBrightness, 0).sendToTarget();
		} else if (BRIGHTNESS_FLOAT_URI.equals(uri)) {
		float currentFloat = getScreenBrightnessFloat(mContext);
		float currentFloat = getScreenBrightnessFloat();
		int toSend = Float.floatToIntBits(currentFloat);
		mHandler.removeMessages(MSG_UPDATE_INT);
		mHandler.obtainMessage(MSG_UPDATE_INT, toSend, 0).sendToTarget();

packages/SystemUI/src/com/android/systemui/settings/brightness/BrightnessController.java

+2 −13

Original line number	Diff line number	Diff line
		@@ -241,15 +241,7 @@ public class BrightnessController implements ToggleSlider.Listener {
		public void run() {
		final float valFloat;
		final boolean inVrMode = mIsVrModeEnabled;
		if (inVrMode) {
		valFloat = Settings.System.getFloatForUser(mContext.getContentResolver(),
		Settings.System.SCREEN_BRIGHTNESS_FOR_VR_FLOAT, mDefaultBacklightForVr,
		UserHandle.USER_CURRENT);
		} else {
		valFloat = Settings.System.getFloatForUser(mContext.getContentResolver(),
		Settings.System.SCREEN_BRIGHTNESS_FLOAT, mDefaultBacklight,
		UserHandle.USER_CURRENT);
		}
		valFloat = mDisplayManager.getBrightness(mDisplayId);
		// Value is passed as intbits, since this is what the message takes.
		final int valueAsIntBits = Float.floatToIntBits(valFloat);
		mHandler.obtainMessage(MSG_UPDATE_SLIDER, valueAsIntBits,
		@@ -364,14 +356,12 @@ public class BrightnessController implements ToggleSlider.Listener {
		metric = MetricsEvent.ACTION_BRIGHTNESS_FOR_VR;
		minBacklight = mMinimumBacklightForVr;
		maxBacklight = mMaximumBacklightForVr;
		settingToChange = Settings.System.SCREEN_BRIGHTNESS_FOR_VR_FLOAT;
		} else {
		metric = mAutomatic
		? MetricsEvent.ACTION_BRIGHTNESS_AUTO
		: MetricsEvent.ACTION_BRIGHTNESS;
		minBacklight = PowerManager.BRIGHTNESS_MIN;
		maxBacklight = PowerManager.BRIGHTNESS_MAX;
		settingToChange = Settings.System.SCREEN_BRIGHTNESS_FLOAT;
		}
		final float valFloat = MathUtils.min(convertGammaToLinearFloat(value,
		minBacklight, maxBacklight),
		@@ -386,8 +376,7 @@ public class BrightnessController implements ToggleSlider.Listener {
		if (!tracking) {
		AsyncTask.execute(new Runnable() {
		public void run() {
		Settings.System.putFloatForUser(mContext.getContentResolver(),
		settingToChange, valFloat, UserHandle.USER_CURRENT);
		mDisplayManager.setBrightness(mDisplayId, valFloat);
		}
		});
		}