content/renderer/pepper/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 "content/renderer/pepper/ppb_widget_impl.h"
   6
   7 #include "content/renderer/pepper/host_globals.h"
   8 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
   9 #include "content/renderer/pepper/ppb_image_data_impl.h"
  10 #include "content/renderer/pepper/plugin_module.h"
  11 #include "ppapi/c/dev/ppp_widget_dev.h"
  12 #include "ppapi/thunk/enter.h"
  13 #include "ppapi/thunk/ppb_input_event_api.h"
  14 #include "ppapi/thunk/ppb_widget_api.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 content {
  22
  23 PPB_Widget_Impl::PPB_Widget_Impl(PP_Instance instance)
  24     : Resource(ppapi::OBJECT_IS_IMPL, instance),
  25       scale_(1.0f) {
  26   memset(&location_, 0, sizeof(location_));
  27 }
  28
  29 PPB_Widget_Impl::~PPB_Widget_Impl() {
  30 }
  31
  32 PPB_Widget_API* PPB_Widget_Impl::AsPPB_Widget_API() {
  33   return this;
  34 }
  35
  36 PP_Bool PPB_Widget_Impl::Paint(const PP_Rect* rect, PP_Resource image_id) {
  37   EnterResourceNoLock<PPB_ImageData_API> enter(image_id, true);
  38   if (enter.failed())
  39     return PP_FALSE;
  40   return PaintInternal(gfx::Rect(rect->point.x, rect->point.y,
  41                                  rect->size.width, rect->size.height),
  42                        static_cast<PPB_ImageData_Impl*>(enter.object()));
  43 }
  44
  45 PP_Bool PPB_Widget_Impl::HandleEvent(PP_Resource pp_input_event) {
  46   EnterResourceNoLock<PPB_InputEvent_API> enter(pp_input_event, true);
  47   if (enter.failed())
  48     return PP_FALSE;
  49   return HandleEventInternal(enter.object()->GetInputEventData());
  50 }
  51
  52 PP_Bool PPB_Widget_Impl::GetLocation(PP_Rect* location) {
  53   *location = location_;
  54   return PP_TRUE;
  55 }
  56
  57 void PPB_Widget_Impl::SetLocation(const PP_Rect* location) {
  58   location_ = *location;
  59   SetLocationInternal(location);
  60 }
  61
  62 void PPB_Widget_Impl::SetScale(float scale) {
  63   scale_ = scale;
  64 }
  65
  66 void PPB_Widget_Impl::Invalidate(const PP_Rect* dirty) {
  67   PepperPluginInstanceImpl* plugin_instance =
  68       HostGlobals::Get()->GetInstance(pp_instance());
  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 content
  79