ppapi/thunk/ppb_widget_thunk.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 "ppapi/thunk/thunk.h"
   6 #include "ppapi/thunk/enter.h"
   7 #include "ppapi/thunk/ppb_widget_api.h"
   8 #include "ppapi/thunk/resource_creation_api.h"
   9
  10 namespace ppapi {
  11 namespace thunk {
  12
  13 namespace {
  14
  15 PP_Bool IsWidget(PP_Resource resource) {
  16   EnterResource<PPB_Widget_API> enter(resource, false);
  17   return PP_FromBool(enter.succeeded());
  18 }
  19
  20 PP_Bool Paint(PP_Resource widget, const PP_Rect* rect, PP_Resource image_id) {
  21   EnterResource<PPB_Widget_API> enter(widget, false);
  22   if (enter.failed())
  23     return PP_FALSE;
  24   return enter.object()->Paint(rect, image_id);
  25 }
  26
  27 PP_Bool HandleEvent(PP_Resource widget, PP_Resource pp_input_event) {
  28   EnterResource<PPB_Widget_API> enter(widget, false);
  29   if (enter.failed())
  30     return PP_FALSE;
  31   return enter.object()->HandleEvent(pp_input_event);
  32 }
  33
  34 PP_Bool GetLocation(PP_Resource widget, PP_Rect* location) {
  35   EnterResource<PPB_Widget_API> enter(widget, false);
  36   if (enter.failed())
  37     return PP_FALSE;
  38   return enter.object()->GetLocation(location);
  39 }
  40
  41 void SetLocation(PP_Resource widget, const PP_Rect* location) {
  42   EnterResource<PPB_Widget_API> enter(widget, false);
  43   if (enter.succeeded())
  44     enter.object()->SetLocation(location);
  45 }
  46
  47 void SetScale(PP_Resource widget, float scale) {
  48   EnterResource<PPB_Widget_API> enter(widget, false);
  49   if (enter.succeeded())
  50     enter.object()->SetScale(scale);
  51 }
  52
  53 const PPB_Widget_Dev_0_3 g_ppb_widget_thunk_0_3 = {
  54   &IsWidget,
  55   &Paint,
  56   &HandleEvent,
  57   &GetLocation,
  58   &SetLocation,
  59 };
  60
  61 const PPB_Widget_Dev_0_4 g_ppb_widget_thunk_0_4 = {
  62   &IsWidget,
  63   &Paint,
  64   &HandleEvent,
  65   &GetLocation,
  66   &SetLocation,
  67   &SetScale
  68 };
  69
  70 }  // namespace
  71
  72 const PPB_Widget_Dev_0_3* GetPPB_Widget_Dev_0_3_Thunk() {
  73   return &g_ppb_widget_thunk_0_3;
  74 }
  75
  76 const PPB_Widget_Dev_0_4* GetPPB_Widget_Dev_0_4_Thunk() {
  77   return &g_ppb_widget_thunk_0_4;
  78 }
  79
  80 }  // namespace thunk
  81 }  // namespace ppapi