1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/browser/ui/webui/chromeos/slow_trace_ui.h" 6 7 #include "base/bind.h" 8 #include "base/memory/ref_counted_memory.h" 9 #include "base/message_loop/message_loop.h" 10 #include "base/strings/string_number_conversions.h" 11 #include "chrome/browser/profiles/profile.h" 12 #include "chrome/common/url_constants.h" 13 #include "components/feedback/tracing_manager.h" 14 #include "content/public/browser/url_data_source.h" 15 #include "content/public/browser/web_ui.h" 16 #include "grit/theme_resources.h" 17 #include "ui/base/resource/resource_bundle.h" 18 19 namespace chromeos { 20 21 //////////////////////////////////////////////////////////////////////////////// 22 // 23 // SlowTraceSource 24 // 25 //////////////////////////////////////////////////////////////////////////////// 26 27 SlowTraceSource::SlowTraceSource() { 28 } 29 30 std::string SlowTraceSource::GetSource() const { 31 return chrome::kChromeUISlowTraceHost; 32 } 33 34 void SlowTraceSource::StartDataRequest( 35 const std::string& path, 36 int render_process_id, 37 int render_frame_id, 38 const content::URLDataSource::GotDataCallback& callback) { 39 int trace_id = 0; 40 size_t pos = path.find('#'); 41 TracingManager* manager = TracingManager::Get(); 42 if (!manager || 43 pos == std::string::npos || 44 !base::StringToInt(path.substr(pos + 1), &trace_id)) { 45 callback.Run(NULL); 46 return; 47 } 48 manager->GetTraceData(trace_id, 49 base::Bind(&SlowTraceSource::OnGetTraceData, 50 base::Unretained(this), 51 callback)); 52 } 53 54 std::string SlowTraceSource::GetMimeType(const std::string& path) const { 55 return "application/zip"; 56 } 57 58 SlowTraceSource::~SlowTraceSource() {} 59 60 void SlowTraceSource::OnGetTraceData( 61 const content::URLDataSource::GotDataCallback& callback, 62 scoped_refptr<base::RefCountedString> trace_data) { 63 callback.Run(trace_data); 64 } 65 66 //////////////////////////////////////////////////////////////////////////////// 67 // 68 // SlowTraceController 69 // 70 //////////////////////////////////////////////////////////////////////////////// 71 72 SlowTraceController::SlowTraceController(content::WebUI* web_ui) 73 : WebUIController(web_ui) { 74 SlowTraceSource* html_source = new SlowTraceSource(); 75 76 // Set up the chrome://slow_trace/ source. 77 Profile* profile = Profile::FromWebUI(web_ui); 78 content::URLDataSource::Add(profile, html_source); 79 } 80 81 } // namespace chromeos 82
