src/ppapi/cpp/private/instance_private.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/cpp/private/instance_private.h"
   6
   7 #include "ppapi/c/private/ppb_instance_private.h"
   8 #include "ppapi/c/private/ppp_instance_private.h"
   9 #include "ppapi/cpp/module_impl.h"
  10 #include "ppapi/cpp/private/var_private.h"
  11
  12 namespace pp {
  13
  14 namespace {
  15
  16 template <> const char* interface_name<PPB_Instance_Private>() {
  17   return PPB_INSTANCE_PRIVATE_INTERFACE;
  18 }
  19
  20 PP_Var GetInstanceObject(PP_Instance pp_instance) {
  21   Module* module_singleton = Module::Get();
  22   if (!module_singleton)
  23     return Var().Detach();
  24   InstancePrivate* instance_private = static_cast<InstancePrivate*>(
  25       module_singleton->InstanceForPPInstance(pp_instance));
  26   if (!instance_private)
  27     return Var().Detach();
  28   return instance_private->GetInstanceObject().Detach();
  29 }
  30
  31 const PPP_Instance_Private ppp_instance_private = {
  32   &GetInstanceObject
  33 };
  34
  35 }  // namespace
  36
  37 InstancePrivate::InstancePrivate(PP_Instance instance) : Instance(instance) {
  38   // If at least 1 InstancePrivate is created, register the PPP_INSTANCE_PRIVATE
  39   // interface.
  40   Module::Get()->AddPluginInterface(PPP_INSTANCE_PRIVATE_INTERFACE,
  41                                     &ppp_instance_private);
  42 }
  43
  44 InstancePrivate::~InstancePrivate() {}
  45
  46 Var InstancePrivate::GetInstanceObject() {
  47   return Var();
  48 }
  49
  50 VarPrivate InstancePrivate::GetWindowObject() {
  51   if (!has_interface<PPB_Instance_Private>())
  52     return VarPrivate();
  53   return VarPrivate(PASS_REF,
  54       get_interface<PPB_Instance_Private>()->GetWindowObject(pp_instance()));
  55 }
  56
  57 VarPrivate InstancePrivate::GetOwnerElementObject() {
  58   if (!has_interface<PPB_Instance_Private>())
  59     return VarPrivate();
  60   return VarPrivate(PASS_REF,
  61       get_interface<PPB_Instance_Private>()->GetOwnerElementObject(
  62           pp_instance()));
  63 }
  64
  65 VarPrivate InstancePrivate::ExecuteScript(const Var& script, Var* exception) {
  66   if (!has_interface<PPB_Instance_Private>())
  67     return VarPrivate();
  68   return VarPrivate(PASS_REF,
  69       get_interface<PPB_Instance_Private>()->ExecuteScript(
  70           pp_instance(),
  71           script.pp_var(),
  72           VarPrivate::OutException(exception).get()));
  73 }
  74
  75 }  // namespace pp