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), scale_(1.0f) {
  25   memset(&location_, 0, sizeof(location_));
  26 }
  27
  28 PPB_Widget_Impl::~PPB_Widget_Impl() {}
  29
  30 PPB_Widget_API* PPB_Widget_Impl::AsPPB_Widget_API() { return this; }
  31
  32 PP_Bool PPB_Widget_Impl::Paint(const PP_Rect* rect, PP_Resource image_id) {
  33   EnterResourceNoLock<PPB_ImageData_API> enter(image_id, true);
  34   if (enter.failed())
  35     return PP_FALSE;
  36   return PaintInternal(
  37       gfx::Rect(
  38           rect->point.x, rect->point.y, rect->size.width, rect->size.height),
  39       static_cast<PPB_ImageData_Impl*>(enter.object()));
  40 }
  41
  42 PP_Bool PPB_Widget_Impl::HandleEvent(PP_Resource pp_input_event) {
  43   EnterResourceNoLock<PPB_InputEvent_API> enter(pp_input_event, true);
  44   if (enter.failed())
  45     return PP_FALSE;
  46   return HandleEventInternal(enter.object()->GetInputEventData());
  47 }
  48
  49 PP_Bool PPB_Widget_Impl::GetLocation(PP_Rect* location) {
  50   *location = location_;
  51   return PP_TRUE;
  52 }
  53
  54 void PPB_Widget_Impl::SetLocation(const PP_Rect* location) {
  55   location_ = *location;
  56   SetLocationInternal(location);
  57 }
  58
  59 void PPB_Widget_Impl::SetScale(float scale) { scale_ = scale; }
  60
  61 void PPB_Widget_Impl::Invalidate(const PP_Rect* dirty) {
  62   PepperPluginInstanceImpl* plugin_instance =
  63       HostGlobals::Get()->GetInstance(pp_instance());
  64   if (!plugin_instance)
  65     return;
  66   const PPP_Widget_Dev* widget = static_cast<const PPP_Widget_Dev*>(
  67       plugin_instance->module()->GetPluginInterface(PPP_WIDGET_DEV_INTERFACE));
  68   if (!widget)
  69     return;
  70   widget->Invalidate(pp_instance(), pp_resource(), dirty);
  71 }
  72
  73 }  // namespace content