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// Copyright (c) 2011 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.
#include "chrome/browser/ui/webui/tracking_ui.h"
#include <string>
#include "base/bind.h"
#include "base/tracked_objects.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/webui/chrome_web_ui_data_source.h"
#include "chrome/common/url_constants.h"
#include "content/browser/tab_contents/tab_contents.h"
#include "content/browser/trace_controller.h"
#include "grit/browser_resources.h"
#include "grit/generated_resources.h"
namespace {
ChromeWebUIDataSource* CreateTrackingHTMLSource() {
// TODO(eroman): Use kChromeUITrackingHost instead of kChromeUITrackingHost2
// once migration to webui is complete.
ChromeWebUIDataSource* source =
new ChromeWebUIDataSource(chrome::kChromeUITrackingHost2);
source->set_json_path("strings.js");
source->add_resource_path("tracking.js", IDR_TRACKING_JS);
source->set_default_resource(IDR_TRACKING_HTML);
return source;
}
// This class receives javascript messages from the renderer.
// Note that the WebUI infrastructure runs on the UI thread, therefore all of
// this class's methods are expected to run on the UI thread.
class TrackingMessageHandler : public WebUIMessageHandler {
public:
TrackingMessageHandler() {}
// WebUIMessageHandler implementation.
virtual WebUIMessageHandler* Attach(WebUI* web_ui) OVERRIDE;
virtual void RegisterMessages() OVERRIDE;
// Messages.
void OnGetData(const ListValue* list);
void OnResetData(const ListValue* list);
private:
DISALLOW_COPY_AND_ASSIGN(TrackingMessageHandler);
};
WebUIMessageHandler* TrackingMessageHandler::Attach(WebUI* web_ui) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
WebUIMessageHandler* result = WebUIMessageHandler::Attach(web_ui);
return result;
}
void TrackingMessageHandler::RegisterMessages() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
web_ui_->RegisterMessageCallback("getData",
base::Bind(&TrackingMessageHandler::OnGetData,base::Unretained(this)));
web_ui_->RegisterMessageCallback("resetData",
base::Bind(&TrackingMessageHandler::OnResetData,
base::Unretained(this)));
}
void TrackingMessageHandler::OnGetData(const ListValue* list) {
// TODO(eroman): Gather all the task tracking information into a Value.
ListValue values;
// Send the data to the renderer.
web_ui_->CallJavascriptFunction("g_browserBridge.receivedData", values);
}
void TrackingMessageHandler::OnResetData(const ListValue* list) {
tracked_objects::ThreadData::ResetAllThreadData();
}
} // namespace
TrackingUI::TrackingUI(TabContents* contents) : ChromeWebUI(contents) {
AddMessageHandler((new TrackingMessageHandler())->Attach(this));
// Set up the chrome://tracking2/ source.
Profile::FromBrowserContext(contents->browser_context())->
GetChromeURLDataManager()->AddDataSource(CreateTrackingHTMLSource());
}
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