webkit/plugins/ppapi/ppb_widget_impl.cc

   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 #include "webkit/plugins/ppapi/ppb_widget_impl.h"
   6
   7 #include "ppapi/c/dev/ppp_widget_dev.h"
   8 #include "ppapi/thunk/enter.h"
   9 #include "ppapi/thunk/ppb_input_event_api.h"
  10 #include "ppapi/thunk/ppb_widget_api.h"
  11 #include "webkit/plugins/ppapi/ppb_image_data_impl.h"
  12 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
  13 #include "webkit/plugins/ppapi/plugin_module.h"
  14 #include "webkit/plugins/ppapi/resource_helper.h"
  15
  16 using ppapi::thunk::EnterResourceNoLock;
  17 using ppapi::thunk::PPB_ImageData_API;
  18 using ppapi::thunk::PPB_InputEvent_API;
  19 using ppapi::thunk::PPB_Widget_API;
  20
  21 namespace webkit {
  22 namespace ppapi {
  23
  24 PPB_Widget_Impl::PPB_Widget_Impl(PP_Instance instance)
  25     : Resource(::ppapi::OBJECT_IS_IMPL, instance),
  26       scale_(1.0f) {
  27   memset(&location_, 0, sizeof(location_));
  28 }
  29
  30 PPB_Widget_Impl::~PPB_Widget_Impl() {
  31 }
  32
  33 PPB_Widget_API* PPB_Widget_Impl::AsPPB_Widget_API() {
  34   return this;
  35 }
  36
  37 PP_Bool PPB_Widget_Impl::Paint(const PP_Rect* rect, PP_Resource image_id) {
  38   EnterResourceNoLock<PPB_ImageData_API> enter(image_id, true);
  39   if (enter.failed())
  40     return PP_FALSE;
  41   return PaintInternal(gfx::Rect(rect->point.x, rect->point.y,
  42                                  rect->size.width, rect->size.height),
  43                        static_cast<PPB_ImageData_Impl*>(enter.object()));
  44 }
  45
  46 PP_Bool PPB_Widget_Impl::HandleEvent(PP_Resource pp_input_event) {
  47   EnterResourceNoLock<PPB_InputEvent_API> enter(pp_input_event, true);
  48   if (enter.failed())
  49     return PP_FALSE;
  50   return HandleEventInternal(enter.object()->GetInputEventData());
  51 }
  52
  53 PP_Bool PPB_Widget_Impl::GetLocation(PP_Rect* location) {
  54   *location = location_;
  55   return PP_TRUE;
  56 }
  57
  58 void PPB_Widget_Impl::SetLocation(const PP_Rect* location) {
  59   location_ = *location;
  60   SetLocationInternal(location);
  61 }
  62
  63 void PPB_Widget_Impl::SetScale(float scale) {
  64   scale_ = scale;
  65 }
  66
  67 void PPB_Widget_Impl::Invalidate(const PP_Rect* dirty) {
  68   PluginInstance* plugin_instance = ResourceHelper::GetPluginInstance(this);
  69   if (!plugin_instance)
  70     return;
  71   const PPP_Widget_Dev* widget = static_cast<const PPP_Widget_Dev*>(
  72       plugin_instance->module()->GetPluginInterface(PPP_WIDGET_DEV_INTERFACE));
  73   if (!widget)
  74     return;
  75   widget->Invalidate(pp_instance(), pp_resource(), dirty);
  76 }
  77
  78 }  // namespace ppapi
  79 }  // namespace webkit
  80