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am 6e90ea03: Don\'t wait for brightness changes

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* commit '6e90ea03365c6baddc13762c5a701b84540d8bf9':
  Don't wait for brightness changes
This commit is contained in:
Jorim Jaggi
2015-09-11 02:00:38 +00:00
committed by Android Git Automerger
parent 9d4cad8bee 6e90ea0336
commit 7b7a2100e2
1 changed files with 21 additions and 9 deletions
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30
services/core/java/com/android/server/display/DisplayPowerState.java
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@@ -341,7 +341,8 @@ final class DisplayPowerState {
private int mPendingBacklight = INITIAL_BACKLIGHT;
private int mActualState = INITIAL_SCREEN_STATE;
private int mActualBacklight = INITIAL_BACKLIGHT;
private boolean mChangeInProgress;
private boolean mStateChangeInProgress;
private boolean mBacklightChangeInProgress;
public PhotonicModulator() {
super("PhotonicModulator");
@@ -349,7 +350,9 @@ final class DisplayPowerState {
public boolean setState(int state, int backlight) {
synchronized (mLock) {
if (state != mPendingState || backlight != mPendingBacklight) {
boolean stateChanged = state != mPendingState;
boolean backlightChanged = backlight != mPendingBacklight;
if (stateChanged || backlightChanged) {
if (DEBUG) {
Slog.d(TAG, "Requesting new screen state: state="
+ Display.stateToString(state) + ", backlight=" + backlight);
@@ -358,12 +361,15 @@ final class DisplayPowerState {
mPendingState = state;
mPendingBacklight = backlight;
if (!mChangeInProgress) {
mChangeInProgress = true;
boolean changeInProgress = mStateChangeInProgress || mBacklightChangeInProgress;
mStateChangeInProgress = stateChanged;
mBacklightChangeInProgress = backlightChanged;
if (!changeInProgress) {
mLock.notifyAll();
}
}
return !mChangeInProgress;
return !mStateChangeInProgress;
}
}
@@ -375,7 +381,8 @@ final class DisplayPowerState {
pw.println(" mPendingBacklight=" + mPendingBacklight);
pw.println(" mActualState=" + Display.stateToString(mActualState));
pw.println(" mActualBacklight=" + mActualBacklight);
pw.println(" mChangeInProgress=" + mChangeInProgress);
pw.println(" mStateChangeInProgress=" + mStateChangeInProgress);
pw.println(" mBacklightChangeInProgress=" + mBacklightChangeInProgress);
}
}
@@ -392,10 +399,15 @@ final class DisplayPowerState {
stateChanged = (state != mActualState);
backlight = mPendingBacklight;
backlightChanged = (backlight != mActualBacklight);
if (!stateChanged && !backlightChanged) {
// All changed applied, notify outer class and wait for more.
mChangeInProgress = false;
if (!stateChanged) {
// State changed applied, notify outer class.
postScreenUpdateThreadSafe();
mStateChangeInProgress = false;
}
if (!backlightChanged) {
mBacklightChangeInProgress = false;
}
if (!stateChanged && !backlightChanged) {
try {
mLock.wait();
} catch (InterruptedException ex) { }