Making sure that the list of windows updates automatically in hierarchy viewer (View Server side)
Change-Id: I0f49ee8b6950ad167bd224093150050e19fd1dd7
diff --git a/services/java/com/android/server/WindowManagerService.java b/services/java/com/android/server/WindowManagerService.java
index 38f1e1f..833d08e 100644
--- a/services/java/com/android/server/WindowManagerService.java
+++ b/services/java/com/android/server/WindowManagerService.java
@@ -489,6 +489,13 @@
boolean mInTouchMode = false;
private ViewServer mViewServer;
+ private ArrayList<WindowChangeListener> mWindowChangeListeners =
+ new ArrayList<WindowChangeListener>();
+ private boolean mWindowsChanged = false;
+
+ public interface WindowChangeListener {
+ public void windowsChanged();
+ }
final Configuration mTempConfiguration = new Configuration();
int mScreenLayout = Configuration.SCREENLAYOUT_SIZE_UNDEFINED;
@@ -662,6 +669,7 @@
TAG, "Adding window " + window + " at "
+ (i+1) + " of " + mWindows.size() + " (after " + pos + ")");
mWindows.add(i+1, window);
+ mWindowsChanged = true;
}
private void placeWindowBefore(Object pos, WindowState window) {
@@ -670,6 +678,7 @@
TAG, "Adding window " + window + " at "
+ i + " of " + mWindows.size() + " (before " + pos + ")");
mWindows.add(i, window);
+ mWindowsChanged = true;
}
//This method finds out the index of a window that has the same app token as
@@ -727,6 +736,7 @@
TAG, "Adding window " + win + " at "
+ (newIdx+1) + " of " + N);
localmWindows.add(newIdx+1, win);
+ mWindowsChanged = true;
}
}
}
@@ -809,6 +819,7 @@
TAG, "Adding window " + win + " at "
+ i + " of " + N);
localmWindows.add(i, win);
+ mWindowsChanged = true;
}
}
}
@@ -826,6 +837,7 @@
TAG, "Adding window " + win + " at "
+ i + " of " + N);
localmWindows.add(i, win);
+ mWindowsChanged = true;
}
if (addToToken) {
token.windows.add(tokenWindowsPos, win);
@@ -1034,6 +1046,7 @@
if (DEBUG_WINDOW_MOVEMENT) Slog.v(
TAG, "Adding input method window " + win + " at " + pos);
mWindows.add(pos, win);
+ mWindowsChanged = true;
moveInputMethodDialogsLocked(pos+1);
return;
}
@@ -1075,6 +1088,7 @@
if (wpos < interestingPos) interestingPos--;
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Temp removing at " + wpos + ": " + win);
mWindows.remove(wpos);
+ mWindowsChanged = true;
int NC = win.mChildWindows.size();
while (NC > 0) {
NC--;
@@ -1101,6 +1115,7 @@
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "ReAdd removing from " + wpos
+ ": " + win);
mWindows.remove(wpos);
+ mWindowsChanged = true;
reAddWindowLocked(wpos, win);
}
}
@@ -1561,6 +1576,7 @@
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Wallpaper removing at "
+ oldIndex + ": " + wallpaper);
localmWindows.remove(oldIndex);
+ mWindowsChanged = true;
if (oldIndex < foundI) {
foundI--;
}
@@ -1572,6 +1588,7 @@
+ " from " + oldIndex + " to " + foundI);
localmWindows.add(foundI, wallpaper);
+ mWindowsChanged = true;
changed |= ADJUST_WALLPAPER_LAYERS_CHANGED;
}
}
@@ -2078,6 +2095,7 @@
mWindowMap.remove(win.mClient.asBinder());
mWindows.remove(win);
+ mWindowsChanged = true;
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Final remove of window: " + win);
if (mInputMethodWindow == win) {
@@ -3360,6 +3378,7 @@
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG,
"Removing starting window: " + startingWindow);
mWindows.remove(startingWindow);
+ mWindowsChanged = true;
ttoken.windows.remove(startingWindow);
ttoken.allAppWindows.remove(startingWindow);
addWindowToListInOrderLocked(startingWindow, true);
@@ -3841,6 +3860,7 @@
WindowState win = token.windows.get(i);
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Tmp removing app window " + win);
mWindows.remove(win);
+ mWindowsChanged = true;
int j = win.mChildWindows.size();
while (j > 0) {
j--;
@@ -3945,6 +3965,7 @@
mWindows.add(index, win);
index++;
}
+ mWindowsChanged = true;
return index;
}
@@ -4783,6 +4804,33 @@
return success;
}
+ public void addWindowChangeListener(WindowChangeListener listener) {
+ synchronized(mWindowMap) {
+ mWindowChangeListeners.add(listener);
+ }
+ }
+
+ public void removeWindowChangeListener(WindowChangeListener listener) {
+ synchronized(mWindowMap) {
+ mWindowChangeListeners.remove(listener);
+ }
+ }
+
+ private void notifyWindowsChanged() {
+ WindowChangeListener[] windowChangeListeners;
+ synchronized(mWindowMap) {
+ if(mWindowChangeListeners.isEmpty()) {
+ return;
+ }
+ windowChangeListeners = new WindowChangeListener[mWindowChangeListeners.size()];
+ windowChangeListeners = mWindowChangeListeners.toArray(windowChangeListeners);
+ }
+ int N = windowChangeListeners.length;
+ for(int i = 0; i < N; i++) {
+ windowChangeListeners[i].windowsChanged();
+ }
+ }
+
private WindowState findWindow(int hashCode) {
if (hashCode == -1) {
return getFocusedWindow();
@@ -7672,6 +7720,7 @@
public static final int ENABLE_SCREEN = 16;
public static final int APP_FREEZE_TIMEOUT = 17;
public static final int SEND_NEW_CONFIGURATION = 18;
+ public static final int WINDOWS_CHANGED = 19;
private Session mLastReportedHold;
@@ -8003,6 +8052,16 @@
break;
}
+ case WINDOWS_CHANGED: {
+ if (mWindowsChanged) {
+ synchronized (mWindowMap) {
+ mWindowsChanged = false;
+ }
+ notifyWindowsChanged();
+ }
+ break;
+ }
+
}
}
}
@@ -8087,6 +8146,7 @@
WindowState w = (WindowState)mWindows.get(i);
if (w.mAppToken != null) {
WindowState win = (WindowState)mWindows.remove(i);
+ mWindowsChanged = true;
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG,
"Rebuild removing window: " + win);
NW--;
@@ -8222,6 +8282,10 @@
requestAnimationLocked(0);
}
}
+ if (mWindowsChanged && !mWindowChangeListeners.isEmpty()) {
+ mH.removeMessages(H.WINDOWS_CHANGED);
+ mH.sendMessage(mH.obtainMessage(H.WINDOWS_CHANGED));
+ }
} catch (RuntimeException e) {
mInLayout = false;
Slog.e(TAG, "Unhandled exception while layout out windows", e);