[Android WebView] Provide more information about WebView for web debugging

android_webview/java/src/org/chromium/android_webview/AwContents.java

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.android_webview;
 
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Color;
@@ skipping 942 matching lines @@
     @CalledByNative
     private void invalidate() {
         mContainerView.invalidate();
     }
 
     @CalledByNative
     private boolean performLongClick() {
         return mContainerView.performLongClick();
     }
 
+    @CalledByNative
+    private boolean isAttachedToViewHierarchy() {

[joth, 2013/03/08 23:23:46]

shouldn't need this method: we already pushed the window attachment down to
native via nativeOnAttachedToWindow

[mnaganov (inactive), 2013/03/11 14:39:20]

Right. When I first tried using these notifications, I've got an impression that
the detachment event is only called on view deletion, but now I rechecked, and
it looks like the state obtained from the event is consistent with the state
calculated by this function. Removed.

+        if (mContainerView.getWindowToken() == null) {
+            // Not attached to a window.
+            return false;
+        }
+        // Verify that the whole subtree containing the view is attached.
+        View parent = mContainerView;
+        while (parent.getParent() != null && parent.getParent() instanceof View) {
+            parent = (View) parent.getParent();
+        }
+        return parent == mContainerView.getRootView();
+    }
+
+    @CalledByNative
+    private int[] getLocationOnScreen() {
+        int[] result = new int[2];
+        mContainerView.getLocationOnScreen(result);
+        return result;
+    }
+
     // -------------------------------------------------------------------------------------------
     // Helper methods
     // -------------------------------------------------------------------------------------------
 
     private void saveWebArchiveInternal(String path, final ValueCallback<String> callback) {
         if (path == null || mNativeAwContents == 0) {
             ThreadUtils.runOnUiThread(new Runnable() {
                 @Override
                 public void run() {
                     callback.onReceiveValue(null);
@@ skipping 114 matching lines @@
     private native boolean nativeDrawSW(int nativeAwContents, Canvas canvas, int clipX, int clipY,
             int clipW, int clipH);
     private native int nativeGetAwDrawGLViewContext(int nativeAwContents);
     private native Picture nativeCapturePicture(int nativeAwContents);
     private native void nativeEnableOnNewPicture(int nativeAwContents, boolean enabled,
             boolean invalidationOnly);
 
     private native void nativeInvokeGeolocationCallback(
             int nativeAwContents, boolean value, String requestingFrame);
 }