webkit/plugins/ppapi/ppb_widget_impl.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 WEBKIT_PLUGINS_PPAPI_PPB_WIDGET_IMPL_H_
   6 #define WEBKIT_PLUGINS_PPAPI_PPB_WIDGET_IMPL_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "ppapi/c/pp_rect.h"
  11 #include "ppapi/shared_impl/resource.h"
  12 #include "ppapi/thunk/ppb_widget_api.h"
  13
  14 namespace gfx {
  15 class Rect;
  16 }
  17 namespace ppapi {
  18 struct InputEventData;
  19 }
  20
  21 namespace webkit {
  22 namespace ppapi {
  23
  24 class PPB_ImageData_Impl;
  25
  26 class PPB_Widget_Impl : public ::ppapi::Resource,
  27                         public ::ppapi::thunk::PPB_Widget_API {
  28  public:
  29   explicit PPB_Widget_Impl(PP_Instance instance);
  30   virtual ~PPB_Widget_Impl();
  31
  32   // Resource overrides.
  33   virtual ::ppapi::thunk::PPB_Widget_API* AsPPB_Widget_API() OVERRIDE;
  34
  35   // PPB_WidgetAPI implementation.
  36   virtual PP_Bool Paint(const PP_Rect* rect, PP_Resource ) OVERRIDE;
  37   virtual PP_Bool HandleEvent(PP_Resource pp_input_event) OVERRIDE;
  38   virtual PP_Bool GetLocation(PP_Rect* location) OVERRIDE;
  39   virtual void SetLocation(const PP_Rect* location) OVERRIDE;
  40   virtual void SetScale(float scale) OVERRIDE;
  41
  42   // Notifies the plugin instance that the given rect needs to be repainted.
  43   void Invalidate(const PP_Rect* dirty);
  44
  45  protected:
  46   virtual PP_Bool PaintInternal(const gfx::Rect& rect,
  47                                 PPB_ImageData_Impl* image) = 0;
  48   virtual PP_Bool HandleEventInternal(const ::ppapi::InputEventData& data) = 0;
  49   virtual void SetLocationInternal(const PP_Rect* location) = 0;
  50
  51   PP_Rect location() const { return location_; }
  52   float scale() const { return scale_; }
  53
  54  private:
  55   PP_Rect location_;
  56   float scale_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(PPB_Widget_Impl);
  59 };
  60
  61 }  // namespace ppapi
  62 }  // namespace webkit
  63
  64 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_WIDGET_IMPL_H_