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-rw-r--r--packages/SystemUI/src/com/android/systemui/qs/QSPanel.java1
-rw-r--r--packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java205
2 files changed, 136 insertions, 70 deletions
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
index ad5c9c038f2f..385b8350cb45 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
@@ -182,6 +182,7 @@ public class QSPanel extends LinearLayout implements Tunable, Callback {
if (mCustomizePanel != null) {
mCustomizePanel.setHost(mHost);
}
+ mBrightnessController.setBackgroundLooper(host.getLooper());
}
public QSTileHost getHost() {
diff --git a/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java b/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java
index d5131beb0153..1c6fffb6dde7 100644
--- a/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java
+++ b/packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java
@@ -23,6 +23,8 @@ import android.net.Uri;
import android.os.AsyncTask;
import android.os.Handler;
import android.os.IPowerManager;
+import android.os.Looper;
+import android.os.Message;
import android.os.PowerManager;
import android.os.RemoteException;
import android.os.ServiceManager;
@@ -45,6 +47,12 @@ public class BrightnessController implements ToggleSlider.Listener {
*/
private static final float BRIGHTNESS_ADJ_RESOLUTION = 2048;
+ private static final int MSG_UPDATE_ICON = 0;
+ private static final int MSG_UPDATE_SLIDER = 1;
+ private static final int MSG_SET_CHECKED = 2;
+ private static final int MSG_ATTACH_LISTENER = 3;
+ private static final int MSG_DETACH_LISTENER = 4;
+
private final int mMinimumBacklight;
private final int mMaximumBacklight;
@@ -54,13 +62,14 @@ public class BrightnessController implements ToggleSlider.Listener {
private final boolean mAutomaticAvailable;
private final IPowerManager mPower;
private final CurrentUserTracker mUserTracker;
- private final Handler mHandler;
+
+ private Handler mBackgroundHandler;
private final BrightnessObserver mBrightnessObserver;
private ArrayList<BrightnessStateChangeCallback> mChangeCallbacks =
new ArrayList<BrightnessStateChangeCallback>();
- private boolean mAutomatic;
+ private volatile boolean mAutomatic;
private boolean mListening;
private boolean mExternalChange;
@@ -90,24 +99,20 @@ public class BrightnessController implements ToggleSlider.Listener {
@Override
public void onChange(boolean selfChange, Uri uri) {
if (selfChange) return;
- try {
- mExternalChange = true;
- if (BRIGHTNESS_MODE_URI.equals(uri)) {
- updateMode();
- updateSlider();
- } else if (BRIGHTNESS_URI.equals(uri) && !mAutomatic) {
- updateSlider();
- } else if (BRIGHTNESS_ADJ_URI.equals(uri) && mAutomatic) {
- updateSlider();
- } else {
- updateMode();
- updateSlider();
- }
- for (BrightnessStateChangeCallback cb : mChangeCallbacks) {
- cb.onBrightnessLevelChanged();
- }
- } finally {
- mExternalChange = false;
+
+ if (BRIGHTNESS_MODE_URI.equals(uri)) {
+ mBackgroundHandler.post(mUpdateModeRunnable);
+ mBackgroundHandler.post(mUpdateSliderRunnable);
+ } else if (BRIGHTNESS_URI.equals(uri) && !mAutomatic) {
+ mBackgroundHandler.post(mUpdateSliderRunnable);
+ } else if (BRIGHTNESS_ADJ_URI.equals(uri) && mAutomatic) {
+ mBackgroundHandler.post(mUpdateSliderRunnable);
+ } else {
+ mBackgroundHandler.post(mUpdateModeRunnable);
+ mBackgroundHandler.post(mUpdateSliderRunnable);
+ }
+ for (BrightnessStateChangeCallback cb : mChangeCallbacks) {
+ cb.onBrightnessLevelChanged();
}
}
@@ -132,16 +137,117 @@ public class BrightnessController implements ToggleSlider.Listener {
}
+ private final Runnable mStartListeningRunnable = new Runnable() {
+ @Override
+ public void run() {
+ mBrightnessObserver.startObserving();
+ mUserTracker.startTracking();
+
+ // Update the slider and mode before attaching the listener so we don't
+ // receive the onChanged notifications for the initial values.
+ mUpdateModeRunnable.run();
+ mUpdateSliderRunnable.run();
+
+ mHandler.sendEmptyMessage(MSG_ATTACH_LISTENER);
+ }
+ };
+
+ private final Runnable mStopListeningRunnable = new Runnable() {
+ @Override
+ public void run() {
+ mBrightnessObserver.stopObserving();
+ mUserTracker.stopTracking();
+
+ mHandler.sendEmptyMessage(MSG_DETACH_LISTENER);
+ }
+ };
+
+ /**
+ * Fetch the brightness mode from the system settings and update the icon. Should be called from
+ * background thread.
+ */
+ private final Runnable mUpdateModeRunnable = new Runnable() {
+ @Override
+ public void run() {
+ if (mAutomaticAvailable) {
+ int automatic;
+ automatic = Settings.System.getIntForUser(mContext.getContentResolver(),
+ Settings.System.SCREEN_BRIGHTNESS_MODE,
+ Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
+ UserHandle.USER_CURRENT);
+ mAutomatic = automatic != Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL;
+ mHandler.obtainMessage(MSG_UPDATE_ICON, mAutomatic ? 1 : 0).sendToTarget();
+ } else {
+ mHandler.obtainMessage(MSG_SET_CHECKED, 0).sendToTarget();
+ mHandler.obtainMessage(MSG_UPDATE_ICON, 0 /* automatic */).sendToTarget();
+ }
+ }
+ };
+
+ /**
+ * Fetch the brightness from the system settings and update the slider. Should be called from
+ * background thread.
+ */
+ private final Runnable mUpdateSliderRunnable = new Runnable() {
+ @Override
+ public void run() {
+ if (mAutomatic) {
+ float value = Settings.System.getFloatForUser(mContext.getContentResolver(),
+ Settings.System.SCREEN_AUTO_BRIGHTNESS_ADJ, 0,
+ UserHandle.USER_CURRENT);
+ mHandler.obtainMessage(MSG_UPDATE_SLIDER, (int) BRIGHTNESS_ADJ_RESOLUTION,
+ (int) ((value + 1) * BRIGHTNESS_ADJ_RESOLUTION / 2f)).sendToTarget();
+ } else {
+ int value;
+ value = Settings.System.getIntForUser(mContext.getContentResolver(),
+ Settings.System.SCREEN_BRIGHTNESS, mMaximumBacklight,
+ UserHandle.USER_CURRENT);
+ mHandler.obtainMessage(MSG_UPDATE_SLIDER, mMaximumBacklight - mMinimumBacklight,
+ value - mMinimumBacklight).sendToTarget();
+ }
+ }
+ };
+
+ private final Handler mHandler = new Handler() {
+ @Override
+ public void handleMessage(Message msg) {
+ mExternalChange = true;
+ try {
+ switch (msg.what) {
+ case MSG_UPDATE_ICON:
+ updateIcon(msg.arg1 != 0);
+ break;
+ case MSG_UPDATE_SLIDER:
+ mControl.setMax(msg.arg1);
+ mControl.setValue(msg.arg2);
+ break;
+ case MSG_SET_CHECKED:
+ mControl.setChecked(msg.arg1 != 0);
+ break;
+ case MSG_ATTACH_LISTENER:
+ mControl.setOnChangedListener(BrightnessController.this);
+ break;
+ case MSG_DETACH_LISTENER:
+ mControl.setOnChangedListener(null);
+ default:
+ super.handleMessage(msg);
+ }
+ } finally {
+ mExternalChange = false;
+ }
+ }
+ };
+
public BrightnessController(Context context, ImageView icon, ToggleSlider control) {
mContext = context;
mIcon = icon;
mControl = control;
- mHandler = new Handler();
+ mBackgroundHandler = new Handler(Looper.getMainLooper());
mUserTracker = new CurrentUserTracker(mContext) {
@Override
public void onUserSwitched(int newUserId) {
- updateMode();
- updateSlider();
+ mBackgroundHandler.post(mUpdateModeRunnable);
+ mBackgroundHandler.post(mUpdateSliderRunnable);
}
};
mBrightnessObserver = new BrightnessObserver(mHandler);
@@ -155,6 +261,10 @@ public class BrightnessController implements ToggleSlider.Listener {
mPower = IPowerManager.Stub.asInterface(ServiceManager.getService("power"));
}
+ public void setBackgroundLooper(Looper backgroundLooper) {
+ mBackgroundHandler = new Handler(backgroundLooper);
+ }
+
public void addStateChangedCallback(BrightnessStateChangeCallback cb) {
mChangeCallbacks.add(cb);
}
@@ -173,15 +283,7 @@ public class BrightnessController implements ToggleSlider.Listener {
return;
}
- mBrightnessObserver.startObserving();
- mUserTracker.startTracking();
-
- // Update the slider and mode before attaching the listener so we don't
- // receive the onChanged notifications for the initial values.
- updateMode();
- updateSlider();
-
- mControl.setOnChangedListener(this);
+ mBackgroundHandler.post(mStartListeningRunnable);
mListening = true;
}
@@ -191,9 +293,7 @@ public class BrightnessController implements ToggleSlider.Listener {
return;
}
- mBrightnessObserver.stopObserving();
- mUserTracker.stopTracking();
- mControl.setOnChangedListener(null);
+ mBackgroundHandler.post(mStopListeningRunnable);
mListening = false;
}
@@ -267,39 +367,4 @@ public class BrightnessController implements ToggleSlider.Listener {
com.android.systemui.R.drawable.ic_qs_brightness_auto_off);
}
}
-
- /** Fetch the brightness mode from the system settings and update the icon */
- private void updateMode() {
- if (mAutomaticAvailable) {
- int automatic;
- automatic = Settings.System.getIntForUser(mContext.getContentResolver(),
- Settings.System.SCREEN_BRIGHTNESS_MODE,
- Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
- UserHandle.USER_CURRENT);
- mAutomatic = automatic != Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL;
- updateIcon(mAutomatic);
- } else {
- mControl.setChecked(false);
- updateIcon(false /*automatic*/);
- }
- }
-
- /** Fetch the brightness from the system settings and update the slider */
- private void updateSlider() {
- if (mAutomatic) {
- float value = Settings.System.getFloatForUser(mContext.getContentResolver(),
- Settings.System.SCREEN_AUTO_BRIGHTNESS_ADJ, 0,
- UserHandle.USER_CURRENT);
- mControl.setMax((int) BRIGHTNESS_ADJ_RESOLUTION);
- mControl.setValue((int) ((value + 1) * BRIGHTNESS_ADJ_RESOLUTION / 2f));
- } else {
- int value;
- value = Settings.System.getIntForUser(mContext.getContentResolver(),
- Settings.System.SCREEN_BRIGHTNESS, mMaximumBacklight,
- UserHandle.USER_CURRENT);
- mControl.setMax(mMaximumBacklight - mMinimumBacklight);
- mControl.setValue(value - mMinimumBacklight);
- }
- }
-
}
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-11-02 22:09:30 +0000