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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_ASH_SLOW_SLOW_TRACE_UI_H_
#define CHROME_BROWSER_UI_WEBUI_ASH_SLOW_SLOW_TRACE_UI_H_
#include <string>
#include "chrome/common/webui_url_constants.h"
#include "content/public/browser/url_data_source.h"
#include "content/public/browser/web_ui_controller.h"
#include "content/public/browser/webui_config.h"
#include "content/public/common/url_constants.h"
namespace base {
class RefCountedString;
}
namespace ash {
// This class provides the source for chrome://slow_trace/. It needs to be a
// separate handler than chrome://slow, because URLDataSource and
// WebUIDataSource are not descended from each other, and WebUIDataSource
// doesn't allow the MimeType to be dynamically specified.
class SlowTraceSource : public content::URLDataSource {
public:
SlowTraceSource();
SlowTraceSource(const SlowTraceSource&) = delete;
SlowTraceSource& operator=(const SlowTraceSource&) = delete;
~SlowTraceSource() override;
// content::URLDataSource implementation.
std::string GetSource() override;
void StartDataRequest(
const GURL& url,
const content::WebContents::Getter& wc_getter,
content::URLDataSource::GotDataCallback callback) override;
std::string GetMimeType(const GURL& url) override;
bool AllowCaching() override;
private:
void OnGetTraceData(content::URLDataSource::GotDataCallback callback,
scoped_refptr<base::RefCountedString> trace_data);
};
class SlowTraceController;
// WebUIConfig for chrome://slow_trace
class SlowTraceControllerConfig
: public content::DefaultWebUIConfig<SlowTraceController> {
public:
SlowTraceControllerConfig()
: DefaultWebUIConfig(content::kChromeUIScheme,
chrome::kChromeUISlowTraceHost) {}
};
class SlowTraceController : public content::WebUIController {
public:
explicit SlowTraceController(content::WebUI* web_ui);
SlowTraceController(const SlowTraceController&) = delete;
SlowTraceController& operator=(const SlowTraceController&) = delete;
};
} // namespace ash
#endif // CHROME_BROWSER_UI_WEBUI_ASH_SLOW_SLOW_TRACE_UI_H_
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