android_webview/renderer/aw_render_view_ext.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ANDROID_WEBVIEW_RENDERER_AW_RENDER_VIEW_EXT_H_
   6 #define ANDROID_WEBVIEW_RENDERER_AW_RENDER_VIEW_EXT_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/timer/timer.h"
  11 #include "content/public/renderer/render_view_observer.h"
  12 #include "third_party/skia/include/core/SkColor.h"
  13 #include "ui/gfx/size.h"
  14
  15 namespace blink {
  16
  17 class WebNode;
  18 class WebURL;
  19
  20 }  // namespace blink
  21
  22 namespace android_webview {
  23
  24 // Render process side of AwRenderViewHostExt, this provides cross-process
  25 // implementation of miscellaneous WebView functions that we need to poke
  26 // WebKit directly to implement (and that aren't needed in the chrome app).
  27 class AwRenderViewExt : public content::RenderViewObserver {
  28  public:
  29   static void RenderViewCreated(content::RenderView* render_view);
  30
  31  private:
  32   AwRenderViewExt(content::RenderView* render_view);
  33   virtual ~AwRenderViewExt();
  34
  35   // RenderView::Observer:
  36   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  37   virtual void FocusedNodeChanged(const blink::WebNode& node) OVERRIDE;
  38   virtual void DidCommitCompositorFrame() OVERRIDE;
  39   virtual void DidUpdateLayout() OVERRIDE;
  40   virtual void Navigate(const GURL& url) OVERRIDE;
  41
  42   void OnDocumentHasImagesRequest(int id);
  43
  44   void OnDoHitTest(int view_x, int view_y);
  45
  46   void OnSetTextZoomFactor(float zoom_factor);
  47
  48   void OnResetScrollAndScaleState();
  49
  50   void OnSetInitialPageScale(double page_scale_factor);
  51
  52   void OnSetBackgroundColor(SkColor c);
  53
  54   void UpdatePageScaleFactor();
  55
  56   void CheckContentsSize();
  57
  58   bool capture_picture_enabled_;
  59
  60   float page_scale_factor_;
  61
  62   gfx::Size last_sent_contents_size_;
  63   base::OneShotTimer<AwRenderViewExt> check_contents_size_timer_;
  64
  65   DISALLOW_COPY_AND_ASSIGN(AwRenderViewExt);
  66 };
  67
  68 }  // namespace android_webview
  69
  70 #endif  // ANDROID_WEBVIEW_RENDERER_AW_RENDER_VIEW_EXT_H_