content/renderer/pepper/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 CONTENT_RENDERER_PEPPER_PPB_WIDGET_IMPL_H_
   6 #define CONTENT_RENDERER_PEPPER_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 content {
  22
  23 class PPB_ImageData_Impl;
  24
  25 class PPB_Widget_Impl : public ppapi::Resource,
  26                         public ppapi::thunk::PPB_Widget_API {
  27  public:
  28   explicit PPB_Widget_Impl(PP_Instance instance);
  29
  30   // Resource overrides.
  31   ppapi::thunk::PPB_Widget_API* AsPPB_Widget_API() override;
  32
  33   // PPB_WidgetAPI implementation.
  34   PP_Bool Paint(const PP_Rect* rect, PP_Resource) override;
  35   PP_Bool HandleEvent(PP_Resource pp_input_event) override;
  36   PP_Bool GetLocation(PP_Rect* location) override;
  37   void SetLocation(const PP_Rect* location) override;
  38   void SetScale(float scale) override;
  39
  40   // Notifies the plugin instance that the given rect needs to be repainted.
  41   void Invalidate(const PP_Rect* dirty);
  42
  43  protected:
  44   ~PPB_Widget_Impl() override;
  45
  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 content
  62
  63 #endif  // CONTENT_RENDERER_PEPPER_PPB_WIDGET_IMPL_H_