ppapi/shared_impl/ppp_instance_combined.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/shared_impl/ppp_instance_combined.h"
   6 #include "ppapi/shared_impl/proxy_lock.h"
   7
   8 namespace ppapi {
   9
  10 // static
  11 PPP_Instance_Combined* PPP_Instance_Combined::Create(
  12     base::Callback<const void*(const char*)> get_interface_func) {
  13   // Try 1.1.
  14   const void* ppp_instance = get_interface_func.Run(PPP_INSTANCE_INTERFACE_1_1);
  15   if (ppp_instance) {
  16     const PPP_Instance_1_1* ppp_instance_1_1 =
  17         static_cast<const PPP_Instance_1_1*>(ppp_instance);
  18     return new PPP_Instance_Combined(*ppp_instance_1_1);
  19   }
  20   // Failing that, try 1.0.
  21   ppp_instance = get_interface_func.Run(PPP_INSTANCE_INTERFACE_1_0);
  22   if (ppp_instance) {
  23     const PPP_Instance_1_0* ppp_instance_1_0 =
  24         static_cast<const PPP_Instance_1_0*>(ppp_instance);
  25     return new PPP_Instance_Combined(*ppp_instance_1_0);
  26   }
  27   // No supported PPP_Instance version found.
  28   return NULL;
  29 }
  30
  31 PPP_Instance_Combined::PPP_Instance_Combined(
  32     const PPP_Instance_1_0& instance_if)
  33     : did_change_view_1_0_(instance_if.DidChangeView) {
  34   instance_1_1_.DidCreate = instance_if.DidCreate;
  35   instance_1_1_.DidDestroy = instance_if.DidDestroy;
  36   instance_1_1_.DidChangeView = NULL;
  37   instance_1_1_.DidChangeFocus = instance_if.DidChangeFocus;
  38   instance_1_1_.HandleDocumentLoad = instance_if.HandleDocumentLoad;
  39 }
  40
  41 PPP_Instance_Combined::PPP_Instance_Combined(
  42     const PPP_Instance_1_1& instance_if)
  43     : instance_1_1_(instance_if),
  44       did_change_view_1_0_(NULL) {
  45 }
  46
  47 PP_Bool PPP_Instance_Combined::DidCreate(PP_Instance instance,
  48                                          uint32_t argc,
  49                                          const char* argn[],
  50                                          const char* argv[]) {
  51   return CallWhileUnlocked(instance_1_1_.DidCreate, instance, argc, argn, argv);
  52 }
  53
  54 void PPP_Instance_Combined::DidDestroy(PP_Instance instance) {
  55   return CallWhileUnlocked(instance_1_1_.DidDestroy, instance);
  56 }
  57
  58 void PPP_Instance_Combined::DidChangeView(PP_Instance instance,
  59                                           PP_Resource view_changed_resource,
  60                                           const struct PP_Rect* position,
  61                                           const struct PP_Rect* clip) {
  62   if (instance_1_1_.DidChangeView) {
  63     CallWhileUnlocked(instance_1_1_.DidChangeView,
  64                       instance,
  65                       view_changed_resource);
  66   } else {
  67     CallWhileUnlocked(did_change_view_1_0_, instance, position, clip);
  68   }
  69 }
  70
  71 void PPP_Instance_Combined::DidChangeFocus(PP_Instance instance,
  72                                            PP_Bool has_focus) {
  73   CallWhileUnlocked(instance_1_1_.DidChangeFocus, instance, has_focus);
  74 }
  75
  76 PP_Bool PPP_Instance_Combined::HandleDocumentLoad(PP_Instance instance,
  77                                                   PP_Resource url_loader) {
  78   return CallWhileUnlocked(instance_1_1_.HandleDocumentLoad,
  79                            instance,
  80                            url_loader);
  81 }
  82
  83 }  // namespace ppapi
  84