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

android_webview/browser/browser_view_renderer.h

 // Copyright (c) 2013 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.
 
 #ifndef ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_
 #define ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_
 
 #include "base/android/scoped_java_ref.h"
+#include "ui/gfx/point.h"
+#include "ui/gfx/rect.h"
 
 struct AwDrawGLInfo;
 
 namespace content {
 class ContentViewCore;
+class WebContents;
 }
 
 namespace gfx {
 class Rect;
 }
 
 namespace android_webview {
 
 // Interface for all the WebView-specific content rendering operations.
 // Provides software and hardware rendering and the Capture Picture API.
 class BrowserViewRenderer {
  public:
   class Client {
    public:
      // Called to trigger view invalidations.
      virtual void Invalidate() = 0;
 
      // Called when a new Picture is available. Needs to be enabled
      // via the EnableOnNewPicture method.
      virtual void OnNewPicture(
          const base::android::JavaRef<jobject>& picture) = 0;
 
+     // Called to get view's absolute location on the screen.
+     virtual gfx::Point GetLocationOnScreen() = 0;
+
    protected:
      virtual ~Client() {}
   };
 
   // Delegate to perform rendering actions involving Java objects.
   class JavaHelper {
    public:
     // Creates a RGBA_8888 Java Bitmap object of the requested size.
     virtual base::android::ScopedJavaLocalRef<jobject> CreateBitmap(
         JNIEnv* env,
@@ skipping 14 matching lines @@
    protected:
     virtual ~JavaHelper() {}
   };
 
   enum OnNewPictureMode {
     kOnNewPictureDisabled = 0,
     kOnNewPictureEnabled,
     kOnNewPictureInvalidationOnly,
   };
 
+  static BrowserViewRenderer* FromWebContents(
+      content::WebContents* web_contents);
+
   // Content control methods.
   virtual void SetContents(content::ContentViewCore* content_view_core) = 0;
 
   // Hardware rendering methods.
   virtual void DrawGL(AwDrawGLInfo* draw_info) = 0;
   virtual void SetScrollForHWFrame(int x, int y) = 0;
 
   // Software rendering methods.
   virtual bool DrawSW(jobject java_canvas, const gfx::Rect& clip_bounds) = 0;
 
   // CapturePicture API methods.
   virtual base::android::ScopedJavaLocalRef<jobject> CapturePicture() = 0;
   virtual void EnableOnNewPicture(OnNewPictureMode mode) = 0;
 
   // View update notifications.
   virtual void OnVisibilityChanged(bool view_visible, bool window_visible) = 0;
   virtual void OnSizeChanged(int width, int height) = 0;
   virtual void OnAttachedToWindow(int width, int height) = 0;
   virtual void OnDetachedFromWindow() = 0;
 
+  // Android views hierarchy gluing.
+  virtual bool IsAttachedToWindow() = 0;
+  virtual bool IsViewVisible() = 0;
+  virtual gfx::Rect GetScreenRect() = 0;
+
   virtual ~BrowserViewRenderer() {}
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_