Adding a way for Hierarchy Viewer to get the focused window.
Change-Id: I01e6ab4aa24d632fba586cb9e112d8d9df1a681a
diff --git a/services/java/com/android/server/WindowManagerService.java b/services/java/com/android/server/WindowManagerService.java
index cd687da..d666523 100644
--- a/services/java/com/android/server/WindowManagerService.java
+++ b/services/java/com/android/server/WindowManagerService.java
@@ -4730,6 +4730,51 @@
}
/**
+ * Returns the focused window in the following format:
+ * windowHashCodeInHexadecimal windowName
+ *
+ * @param client The remote client to send the listing to.
+ * @return False if an error occurred, true otherwise.
+ */
+ boolean viewServerGetFocusedWindow(Socket client) {
+ if (isSystemSecure()) {
+ return false;
+ }
+
+ boolean result = true;
+
+ WindowState focusedWindow = getFocusedWindow();
+
+ BufferedWriter out = null;
+
+ // Any uncaught exception will crash the system process
+ try {
+ OutputStream clientStream = client.getOutputStream();
+ out = new BufferedWriter(new OutputStreamWriter(clientStream), 8 * 1024);
+
+ if(focusedWindow != null) {
+ out.write(Integer.toHexString(System.identityHashCode(focusedWindow)));
+ out.write(' ');
+ out.append(focusedWindow.mAttrs.getTitle());
+ }
+ out.write('\n');
+ out.flush();
+ } catch (Exception e) {
+ result = false;
+ } finally {
+ if (out != null) {
+ try {
+ out.close();
+ } catch (IOException e) {
+ result = false;
+ }
+ }
+ }
+
+ return result;
+ }
+
+ /**
* Sends a command to a target window. The result of the command, if any, will be
* written in the output stream of the specified socket.
*