ppapi/cpp/dev/widget_client_dev.cc

   1 // Copyright (c) 2010 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 #include "ppapi/cpp/dev/widget_client_dev.h"
   6
   7 #include "ppapi/c/dev/ppp_scrollbar_dev.h"
   8 #include "ppapi/c/dev/ppp_widget_dev.h"
   9 #include "ppapi/cpp/dev/scrollbar_dev.h"
  10 #include "ppapi/cpp/dev/widget_dev.h"
  11 #include "ppapi/cpp/instance.h"
  12 #include "ppapi/cpp/instance_handle.h"
  13 #include "ppapi/cpp/module.h"
  14 #include "ppapi/cpp/module_impl.h"
  15 #include "ppapi/cpp/rect.h"
  16
  17 namespace pp {
  18
  19 namespace {
  20
  21 // PPP_Widget_Dev --------------------------------------------------------------
  22
  23 const char kPPPWidgetInterface[] = PPP_WIDGET_DEV_INTERFACE;
  24
  25 void Widget_Invalidate(PP_Instance instance,
  26                        PP_Resource widget_id,
  27                        const PP_Rect* dirty_rect) {
  28   void* object = Instance::GetPerInstanceObject(instance, kPPPWidgetInterface);
  29   if (!object)
  30     return;
  31   return static_cast<WidgetClient_Dev*>(object)->InvalidateWidget(
  32       Widget_Dev(widget_id), *dirty_rect);
  33 }
  34
  35 static PPP_Widget_Dev widget_interface = {
  36   &Widget_Invalidate,
  37 };
  38
  39 // PPP_Scrollbar_Dev -----------------------------------------------------------
  40
  41 const char kPPPScrollbarInterface[] = PPP_SCROLLBAR_DEV_INTERFACE;
  42
  43 void Scrollbar_ValueChanged(PP_Instance instance,
  44                             PP_Resource scrollbar_id,
  45                             uint32_t value) {
  46   void* object =
  47       Instance::GetPerInstanceObject(instance, kPPPScrollbarInterface);
  48   if (!object)
  49     return;
  50   return static_cast<WidgetClient_Dev*>(object)->ScrollbarValueChanged(
  51       Scrollbar_Dev(scrollbar_id), value);
  52 }
  53
  54 void Scrollbar_OverlayChanged(PP_Instance instance,
  55                               PP_Resource scrollbar_id,
  56                               PP_Bool overlay) {
  57   void* object =
  58       Instance::GetPerInstanceObject(instance, kPPPScrollbarInterface);
  59   if (!object)
  60     return;
  61   return static_cast<WidgetClient_Dev*>(object)->ScrollbarOverlayChanged(
  62       Scrollbar_Dev(scrollbar_id), PP_ToBool(overlay));
  63 }
  64
  65 static PPP_Scrollbar_Dev scrollbar_interface = {
  66   &Scrollbar_ValueChanged,
  67   &Scrollbar_OverlayChanged,
  68 };
  69
  70 }  // namespace
  71
  72 WidgetClient_Dev::WidgetClient_Dev(Instance* instance)
  73     : associated_instance_(instance) {
  74   Module::Get()->AddPluginInterface(kPPPWidgetInterface, &widget_interface);
  75   instance->AddPerInstanceObject(kPPPWidgetInterface, this);
  76   Module::Get()->AddPluginInterface(kPPPScrollbarInterface,
  77                                     &scrollbar_interface);
  78   instance->AddPerInstanceObject(kPPPScrollbarInterface, this);
  79 }
  80
  81 WidgetClient_Dev::~WidgetClient_Dev() {
  82   Instance::RemovePerInstanceObject(associated_instance_,
  83                                     kPPPScrollbarInterface, this);
  84   Instance::RemovePerInstanceObject(associated_instance_,
  85                                     kPPPWidgetInterface, this);
  86 }
  87
  88 }  // namespace pp