am af3fb232: Merge "Flatten power manager wake lock constants." into jb-mr1-dev (006ba8a2) · Commits · e / os / android_frameworks_base

api/current.txt

+2 −2

Original line number	Diff line number	Diff line
		@@ -16208,11 +16208,11 @@ package android.os {
		method public void reboot(java.lang.String);
		method public void userActivity(long, boolean);
		field public static final int ACQUIRE_CAUSES_WAKEUP = 268435456; // 0x10000000
		field public static final int FULL_WAKE_LOCK = 26; // 0x1a
		field public static final deprecated int FULL_WAKE_LOCK = 26; // 0x1a
		field public static final int ON_AFTER_RELEASE = 536870912; // 0x20000000
		field public static final int PARTIAL_WAKE_LOCK = 1; // 0x1
		field public static final deprecated int SCREEN_BRIGHT_WAKE_LOCK = 10; // 0xa
		field public static final int SCREEN_DIM_WAKE_LOCK = 6; // 0x6
		field public static final deprecated int SCREEN_DIM_WAKE_LOCK = 6; // 0x6
		}

		public final class PowerManager.WakeLock {

core/java/android/os/PowerManager.java

+72 −50

Original line number	Diff line number	Diff line
		@@ -107,48 +107,47 @@ import android.util.Log;
		public final class PowerManager {
		private static final String TAG = "PowerManager";

		/*
		* These internal values define the underlying power elements that we might
		* want to control individually. Eventually we'd like to expose them.
		*/
		private static final int WAKE_BIT_CPU_STRONG = 1 << 0;
		private static final int WAKE_BIT_CPU_WEAK = 1 << 1;
		private static final int WAKE_BIT_SCREEN_DIM = 1 << 2;
		private static final int WAKE_BIT_SCREEN_BRIGHT = 1 << 3;
		private static final int WAKE_BIT_KEYBOARD_BRIGHT = 1 << 4;
		private static final int WAKE_BIT_PROXIMITY_SCREEN_OFF = 1 << 5;

		private static final int LOCK_MASK = WAKE_BIT_CPU_STRONG
		\| WAKE_BIT_CPU_WEAK
		\| WAKE_BIT_SCREEN_DIM
		\| WAKE_BIT_SCREEN_BRIGHT
		\| WAKE_BIT_KEYBOARD_BRIGHT
		\| WAKE_BIT_PROXIMITY_SCREEN_OFF;
		/* NOTE: Wake lock levels were previously defined as a bit field, except that only a few
		* combinations were actually supported so the bit field was removed. This explains
		* why the numbering scheme is so odd. If adding a new wake lock level, any unused
		* value can be used.
		*/

		/**
		* Wake lock level: Ensures that the CPU is running; the screen and keyboard
		* backlight will be allowed to go off.
		* <p>
		* If the user presses the power button, then the screen will be turned off
		* but the CPU will be kept on until all partial wake locks have been released.
		* </p>
		*/
		public static final int PARTIAL_WAKE_LOCK = WAKE_BIT_CPU_STRONG;
		public static final int PARTIAL_WAKE_LOCK = 0x00000001;

		/**
		* Wake lock level: Ensures that the screen and keyboard backlight are on at
		* full brightness.
		* Wake lock level: Ensures that the screen is on (but may be dimmed);
		* the keyboard backlight will be allowed to go off.
		* <p>
		* If the user presses the power button, then the {@link #SCREEN_DIM_WAKE_LOCK} will be
		* implicitly released by the system, causing both the screen and the CPU to be turned off.
		* Contrast with {@link #PARTIAL_WAKE_LOCK}.
		* </p>
		*
		* <p class="note">
		* Most applications should strongly consider using
		* @deprecated Most applications should use
		* {@link android.view.WindowManager.LayoutParams#FLAG_KEEP_SCREEN_ON} instead
		* of managing their own wake locks. This window flag will be correctly managed
		* by the platform as the user moves between applications and doesn't require
		* a special permission.
		* </p>
		* of this type of wake lock, as it will be correctly managed by the platform
		* as the user moves between applications and doesn't require a special permission.
		*/
		public static final int FULL_WAKE_LOCK = WAKE_BIT_CPU_WEAK \| WAKE_BIT_SCREEN_BRIGHT
		\| WAKE_BIT_KEYBOARD_BRIGHT;
		@Deprecated
		public static final int SCREEN_DIM_WAKE_LOCK = 0x00000006;

		/**
		* Wake lock level: Ensures that the screen is on at full brightness;
		* the keyboard backlight will be allowed to go off.
		* <p>
		* If the user presses the power button, then the {@link #SCREEN_BRIGHT_WAKE_LOCK} will be
		* implicitly released by the system, causing both the screen and the CPU to be turned off.
		* Contrast with {@link #PARTIAL_WAKE_LOCK}.
		* </p>
		*
		* @deprecated Most applications should use
		* {@link android.view.WindowManager.LayoutParams#FLAG_KEEP_SCREEN_ON} instead
		@@ -156,33 +155,42 @@ public final class PowerManager {
		* as the user moves between applications and doesn't require a special permission.
		*/
		@Deprecated
		public static final int SCREEN_BRIGHT_WAKE_LOCK = WAKE_BIT_CPU_WEAK \| WAKE_BIT_SCREEN_BRIGHT;
		public static final int SCREEN_BRIGHT_WAKE_LOCK = 0x0000000a;

		/**
		* Wake lock level: Ensures that the screen is on (but may be dimmed);
		* the keyboard backlight will be allowed to go off.
		* Wake lock level: Ensures that the screen and keyboard backlight are on at
		* full brightness.
		* <p>
		* If the user presses the power button, then the {@link #FULL_WAKE_LOCK} will be
		* implicitly released by the system, causing both the screen and the CPU to be turned off.
		* Contrast with {@link #PARTIAL_WAKE_LOCK}.
		* </p>
		*
		* @deprecated Most applications should use
		* {@link android.view.WindowManager.LayoutParams#FLAG_KEEP_SCREEN_ON} instead
		* of this type of wake lock, as it will be correctly managed by the platform
		* as the user moves between applications and doesn't require a special permission.
		*/
		public static final int SCREEN_DIM_WAKE_LOCK = WAKE_BIT_CPU_WEAK \| WAKE_BIT_SCREEN_DIM;
		@Deprecated
		public static final int FULL_WAKE_LOCK = 0x0000001a;

		/**
		* Wake lock level: Turns the screen off when the proximity sensor activates.
		* <p>
		* Since not all devices have proximity sensors, use {@link #getSupportedWakeLockFlags()}
		* Since not all devices have proximity sensors, use {@link #getSupportedWakeLockFlags}
		* to determine whether this wake lock level is supported.
		* </p>
		*
		* {@hide}
		*/
		public static final int PROXIMITY_SCREEN_OFF_WAKE_LOCK = WAKE_BIT_PROXIMITY_SCREEN_OFF;
		public static final int PROXIMITY_SCREEN_OFF_WAKE_LOCK = 0x00000020;

		/**
		* Flag for {@link WakeLock#release release(int)} to defer releasing a
		* {@link #WAKE_BIT_PROXIMITY_SCREEN_OFF} wake lock until the proximity sensor returns
		* a negative value.
		* Mask for the wake lock level component of a combined wake lock level and flags integer.
		*
		* {@hide}
		* @hide
		*/
		public static final int WAIT_FOR_PROXIMITY_NEGATIVE = 1;
		public static final int WAKE_LOCK_LEVEL_MASK = 0x0000ffff;

		/**
		* Wake lock flag: Turn the screen on when the wake lock is acquired.
		@@ -195,7 +203,7 @@ public final class PowerManager {
		* Cannot be used with {@link #PARTIAL_WAKE_LOCK}.
		* </p>
		*/
		public static final int ACQUIRE_CAUSES_WAKEUP = 1 << 28;
		public static final int ACQUIRE_CAUSES_WAKEUP = 0x10000000;

		/**
		* Wake lock flag: When this wake lock is released, poke the user activity timer
		@@ -207,7 +215,16 @@ public final class PowerManager {
		* Cannot be used with {@link #PARTIAL_WAKE_LOCK}.
		* </p>
		*/
		public static final int ON_AFTER_RELEASE = 1 << 29;
		public static final int ON_AFTER_RELEASE = 0x20000000;

		/**
		* Flag for {@link WakeLock#release release(int)} to defer releasing a
		* {@link #WAKE_BIT_PROXIMITY_SCREEN_OFF} wake lock until the proximity sensor returns
		* a negative value.
		*
		* {@hide}
		*/
		public static final int WAIT_FOR_PROXIMITY_NEGATIVE = 1;

		/**
		* Brightness value to use when battery is low.
		@@ -298,7 +315,13 @@ public final class PowerManager {
		* @see #ON_AFTER_RELEASE
		*/
		public WakeLock newWakeLock(int levelAndFlags, String tag) {
		switch (levelAndFlags & LOCK_MASK) {
		validateWakeLockParameters(levelAndFlags, tag);
		return new WakeLock(levelAndFlags, tag);
		}

		/** @hide */
		public static void validateWakeLockParameters(int levelAndFlags, String tag) {
		switch (levelAndFlags & WAKE_LOCK_LEVEL_MASK) {
		case PARTIAL_WAKE_LOCK:
		case SCREEN_DIM_WAKE_LOCK:
		case SCREEN_BRIGHT_WAKE_LOCK:
		@@ -306,12 +329,11 @@ public final class PowerManager {
		case PROXIMITY_SCREEN_OFF_WAKE_LOCK:
		break;
		default:
		throw new IllegalArgumentException("Must specify a wake lock level.");
		throw new IllegalArgumentException("Must specify a valid wake lock level.");
		}
		if (tag == null) {
		throw new IllegalArgumentException("The tag must not be null.");
		}
		return new WakeLock(levelAndFlags, tag);
		}

		/**