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// Copyright (c) 2012 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_flash_device_id_proxy.h"
#include "base/compiler_specific.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/proxy/plugin_dispatcher.h"
#include "ppapi/proxy/plugin_globals.h"
#include "ppapi/proxy/plugin_proxy_delegate.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/shared_impl/resource.h"
#include "ppapi/shared_impl/tracked_callback.h"
#include "ppapi/shared_impl/var.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_flash_device_id_api.h"
using ppapi::thunk::PPB_Flash_DeviceID_API;
namespace ppapi {
namespace proxy {
namespace {
class DeviceID : public Resource, public PPB_Flash_DeviceID_API {
public:
DeviceID(PP_Instance instance);
virtual ~DeviceID();
// Resource overrides.
virtual PPB_Flash_DeviceID_API* AsPPB_Flash_DeviceID_API() OVERRIDE;
// PPB_Flash_DeviceID_API implementation.
virtual int32_t GetDeviceID(PP_Var* id,
const PP_CompletionCallback& callback) OVERRIDE;
void OnReply(int32_t result, const std::string& id);
private:
// Non-null when a callback is pending.
PP_Var* dest_;
scoped_refptr<TrackedCallback> callback_;
DISALLOW_COPY_AND_ASSIGN(DeviceID);
};
DeviceID::DeviceID(PP_Instance instance)
: Resource(OBJECT_IS_PROXY, instance),
dest_(NULL) {
}
DeviceID::~DeviceID() {
}
PPB_Flash_DeviceID_API* DeviceID::AsPPB_Flash_DeviceID_API() {
return this;
}
int32_t DeviceID::GetDeviceID(PP_Var* id,
const PP_CompletionCallback& callback) {
if (TrackedCallback::IsPending(callback_))
return PP_ERROR_INPROGRESS;
if (!id)
return PP_ERROR_BADARGUMENT;
callback_ = new TrackedCallback(this, callback);
dest_ = id;
PluginDispatcher* dispatcher =
PluginDispatcher::GetForInstance(pp_instance());
PluginGlobals::Get()->plugin_proxy_delegate()->SendToBrowser(
new PpapiHostMsg_PPBFlashDeviceID_Get(
API_ID_PPB_FLASH_DEVICE_ID, dispatcher->plugin_dispatcher_id(),
pp_resource()));
return PP_OK_COMPLETIONPENDING;
}
void DeviceID::OnReply(int32_t result, const std::string& id) {
if (result == PP_OK)
*dest_ = StringVar::StringToPPVar(id);
else
*dest_ = PP_MakeUndefined();
dest_ = NULL;
TrackedCallback::ClearAndRun(&callback_, result);
}
} // namespace
PPB_Flash_DeviceID_Proxy::PPB_Flash_DeviceID_Proxy(Dispatcher* dispatcher)
: InterfaceProxy(dispatcher) {
}
PPB_Flash_DeviceID_Proxy::~PPB_Flash_DeviceID_Proxy() {
}
// static
PP_Resource PPB_Flash_DeviceID_Proxy::CreateProxyResource(
PP_Instance instance) {
return (new DeviceID(instance))->GetReference();
}
bool PPB_Flash_DeviceID_Proxy::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PPB_Flash_DeviceID_Proxy, msg)
IPC_MESSAGE_HANDLER(PpapiMsg_PPBFlashDeviceID_GetReply,
OnPluginMsgGetReply)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void PPB_Flash_DeviceID_Proxy::OnPluginMsgGetReply(int32 routing_id,
PP_Resource resource,
int32 result,
const std::string& id) {
thunk::EnterResourceNoLock<PPB_Flash_DeviceID_API> enter(resource, false);
if (enter.failed())
return; // Resource destroyed.
static_cast<DeviceID*>(enter.object())->OnReply(result, id);
}
} // namespace proxy
} // namespace ppapi
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