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// Copyright 2015 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.
#ifndef COMPONENTS_DATA_REDUCTION_PROXY_CONTENT_BROWSER_CONTENT_LOFI_UI_SERVICE_H_
#define COMPONENTS_DATA_REDUCTION_PROXY_CONTENT_BROWSER_CONTENT_LOFI_UI_SERVICE_H_
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "components/data_reduction_proxy/core/common/lofi_ui_service.h"
namespace base {
class SingleThreadTaskRunner;
}
namespace content {
class WebContents;
}
namespace net {
class URLRequest;
}
namespace data_reduction_proxy {
using OnLoFiResponseReceivedCallback =
base::Callback<void(content::WebContents* web_contents)>;
// Passes notifications to the UI thread that a Lo-Fi response has been
// received. These notifications may be used to show Lo-Fi UI. This object lives
// on the IO thread and OnLoFiReponseReceived should be called from there.
class ContentLoFiUIService : public LoFiUIService {
public:
ContentLoFiUIService(
const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner,
const OnLoFiResponseReceivedCallback& on_lofi_response_received_callback);
~ContentLoFiUIService() override;
// LoFiUIService implementation:
void OnLoFiReponseReceived(const net::URLRequest& request) override;
private:
// Using the |render_process_id| and |render_frame_id|, gets the associated
// WebContents if it exists and runs the
// |notify_lofi_response_received_callback_|.
void OnLoFiResponseReceivedOnUIThread(int render_process_id,
int render_frame_id);
// A task runner to post calls to OnLoFiReponseReceivedOnUI on the UI
// thread.
const scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
const OnLoFiResponseReceivedCallback on_lofi_response_received_callback_;
DISALLOW_COPY_AND_ASSIGN(ContentLoFiUIService);
};
} // namespace data_reduction_proxy
#endif // COMPONENTS_DATA_REDUCTION_PROXY_CONTENT_BROWSER_CONTENT_LOFI_UI_SERVICE_H_
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