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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PPAPI_PROXY_PLUGIN_RESOURCE_CALLBACK_H_
#define PPAPI_PROXY_PLUGIN_RESOURCE_CALLBACK_H_
#include "ipc/ipc_message.h"
#include "ppapi/proxy/dispatch_reply_message.h"
#include "ppapi/proxy/resource_message_params.h"
namespace ppapi {
namespace proxy {
// |PluginResourceCallback| wraps a |base::OnceCallback| on the plugin side
// which will be triggered in response to a particular message type being
// received. |MsgClass| is the reply message type that the callback will be
// called with and |CallbackType| is the type of the |base::OnceCallback| that
// will be called.
class PluginResourceCallbackBase {
public:
virtual ~PluginResourceCallbackBase() = default;
virtual void Run(const ResourceMessageReplyParams& params,
const IPC::Message& msg) = 0;
};
template<typename MsgClass, typename CallbackType>
class PluginResourceCallback : public PluginResourceCallbackBase {
public:
explicit PluginResourceCallback(CallbackType callback)
: callback_(std::move(callback)) {}
void Run(
const ResourceMessageReplyParams& reply_params,
const IPC::Message& msg) override {
DispatchResourceReplyOrDefaultParams<MsgClass>(
std::forward<CallbackType>(callback_), reply_params, msg);
}
private:
~PluginResourceCallback() override {}
CallbackType callback_;
};
} // namespace proxy
} // namespace ppapi
#endif // PPAPI_PROXY_PLUGIN_RESOURCE_CALLBACK_H_
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