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/geometry/point_f.h"
  14 #include "ui/gfx/geometry/size.h"
  15 #include "ui/gfx/geometry/size_f.h"
  16
  17 namespace blink {
  18
  19 class WebNode;
  20 class WebURL;
  21
  22 }  // namespace blink
  23
  24 namespace android_webview {
  25
  26 // Render process side of AwRenderViewHostExt, this provides cross-process
  27 // implementation of miscellaneous WebView functions that we need to poke
  28 // WebKit directly to implement (and that aren't needed in the chrome app).
  29 class AwRenderViewExt : public content::RenderViewObserver {
  30  public:
  31   static void RenderViewCreated(content::RenderView* render_view);
  32
  33  private:
  34   AwRenderViewExt(content::RenderView* render_view);
  35   virtual ~AwRenderViewExt();
  36
  37   // RenderView::Observer:
  38   virtual bool OnMessageReceived(const IPC::Message& message) override;
  39   virtual void FocusedNodeChanged(const blink::WebNode& node) override;
  40   virtual void DidCommitCompositorFrame() override;
  41   virtual void DidUpdateLayout() override;
  42   virtual void Navigate(const GURL& url) override;
  43
  44   void OnDocumentHasImagesRequest(int id);
  45
  46   void OnDoHitTest(const gfx::PointF& touch_center,
  47                    const gfx::SizeF& touch_area);
  48
  49   void OnSetTextZoomFactor(float zoom_factor);
  50
  51   void OnResetScrollAndScaleState();
  52
  53   void OnSetInitialPageScale(double page_scale_factor);
  54
  55   void OnSetBackgroundColor(SkColor c);
  56
  57   void UpdatePageScaleFactor();
  58
  59   void CheckContentsSize();
  60
  61   bool capture_picture_enabled_;
  62
  63   float page_scale_factor_;
  64
  65   gfx::Size last_sent_contents_size_;
  66   base::OneShotTimer<AwRenderViewExt> check_contents_size_timer_;
  67
  68   DISALLOW_COPY_AND_ASSIGN(AwRenderViewExt);
  69 };
  70
  71 }  // namespace android_webview
  72
  73 #endif  // ANDROID_WEBVIEW_RENDERER_AW_RENDER_VIEW_EXT_H_