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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/proxy/ppb_var_proxy.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/c/ppb_var.h"
#include "ppapi/proxy/plugin_var_tracker.h"
namespace pp {
namespace proxy {
namespace {
// PPP_Var plugin --------------------------------------------------------------
void AddRefVar(PP_Var var) {
PluginVarTracker::GetInstance()->AddRef(var);
}
void ReleaseVar(PP_Var var) {
PluginVarTracker::GetInstance()->Release(var);
}
PP_Var VarFromUtf8(PP_Module module, const char* data, uint32_t len) {
PP_Var ret = {};
ret.type = PP_VARTYPE_STRING;
ret.value.as_id = PluginVarTracker::GetInstance()->MakeString(data, len);
return ret;
}
const char* VarToUtf8(PP_Var var, uint32_t* len) {
const std::string* str =
PluginVarTracker::GetInstance()->GetExistingString(var);
if (str) {
*len = static_cast<uint32_t>(str->size());
return str->c_str();
}
*len = 0;
return NULL;
}
const PPB_Var var_interface = {
&AddRefVar,
&ReleaseVar,
&VarFromUtf8,
&VarToUtf8
};
InterfaceProxy* CreateVarProxy(Dispatcher* dispatcher,
const void* target_interface) {
return new PPB_Var_Proxy(dispatcher, target_interface);
}
} // namespace
PPB_Var_Proxy::PPB_Var_Proxy(Dispatcher* dispatcher,
const void* target_interface)
: InterfaceProxy(dispatcher, target_interface) {
}
PPB_Var_Proxy::~PPB_Var_Proxy() {
}
// static
const InterfaceProxy::Info* PPB_Var_Proxy::GetInfo() {
static const Info info = {
&var_interface,
PPB_VAR_INTERFACE,
INTERFACE_ID_PPB_VAR,
false,
&CreateVarProxy,
};
return &info;
}
bool PPB_Var_Proxy::OnMessageReceived(const IPC::Message& msg) {
// All PPB_Var calls are handled locally; there is no need to send or receive
// messages here.
return false;
}
} // namespace proxy
} // namespace pp
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