| // Copyright 2013 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 CHROME_BROWSER_UI_WEBUI_CHROMEOS_SLOW_TRACE_UI_H_ |
| #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_SLOW_TRACE_UI_H_ |
| |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "content/public/browser/url_data_source.h" |
| #include "content/public/browser/web_ui_controller.h" |
| #include "ui/base/layout.h" |
| |
| namespace base { |
| class RefCountedMemory; |
| class RefCountedString; |
| } |
| |
| namespace chromeos { |
| |
| // This class provides the source for chrome://slow_trace/. It needs to be a |
| // separate handler that 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(); |
| |
| // content::URLDataSource implementation. |
| std::string GetSource() const override; |
| void StartDataRequest( |
| const std::string& path, |
| int render_process_id, |
| int render_frame_id, |
| const content::URLDataSource::GotDataCallback& callback) override; |
| std::string GetMimeType(const std::string& path) const override; |
| |
| private: |
| ~SlowTraceSource() override; |
| |
| void OnGetTraceData(const content::URLDataSource::GotDataCallback& callback, |
| scoped_refptr<base::RefCountedString> trace_data); |
| |
| DISALLOW_COPY_AND_ASSIGN(SlowTraceSource); |
| }; |
| |
| class SlowTraceController : public content::WebUIController { |
| public: |
| explicit SlowTraceController(content::WebUI* web_ui); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(SlowTraceController); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_UI_WEBUI_CHROMEOS_SLOW_TRACE_UI_H_ |