Merge "Update window magnifier UI when onConfigurationChanged. (1/n)"
diff --git a/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnification.java b/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnification.java
index 895207d..898cd13 100644
--- a/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnification.java
+++ b/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnification.java
@@ -17,6 +17,8 @@
package com.android.systemui.accessibility;
import android.content.Context;
+import android.content.pm.ActivityInfo;
+import android.content.res.Configuration;
import android.database.ContentObserver;
import android.os.Handler;
import android.provider.Settings;
@@ -35,10 +37,25 @@
private WindowMagnificationController mWindowMagnificationController;
private final Handler mHandler;
+ private Configuration mLastConfiguration;
+
@Inject
public WindowMagnification(Context context, @Main Handler mainHandler) {
super(context);
mHandler = mainHandler;
+ mLastConfiguration = new Configuration(context.getResources().getConfiguration());
+ }
+
+ @Override
+ public void onConfigurationChanged(Configuration newConfig) {
+ final int configDiff = newConfig.diff(mLastConfiguration);
+ if ((configDiff & ActivityInfo.CONFIG_DENSITY) == 0) {
+ return;
+ }
+ mLastConfiguration.setTo(newConfig);
+ if (mWindowMagnificationController != null) {
+ mWindowMagnificationController.onConfigurationChanged(configDiff);
+ }
}
@Override
diff --git a/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnificationController.java b/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnificationController.java
index bfac4fc..c243309 100644
--- a/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnificationController.java
+++ b/packages/SystemUI/src/com/android/systemui/accessibility/WindowMagnificationController.java
@@ -113,6 +113,7 @@
if (mMirrorView != null) {
return;
}
+ setInitialStartBounds();
createOverlayWindow();
}
@@ -178,9 +179,20 @@
}
}
- private void createMirrorWindow() {
- setInitialStartBounds();
+ /**
+ * Called when the configuration has changed, and it updates window magnification UI.
+ *
+ * @param configDiff a bit mask of the differences between the configurations
+ */
+ void onConfigurationChanged(int configDiff) {
+ // TODO(b/145780606): update toggle button UI.
+ if (mMirrorView != null) {
+ mWm.removeView(mMirrorView);
+ createMirrorWindow();
+ }
+ }
+ private void createMirrorWindow() {
// The window should be the size the mirrored surface will be but also add room for the
// border and the drag handle.
int dragViewHeight = (int) mContext.getResources().getDimension(