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// Copyright (c) 2012 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_UBER_UBER_UI_H_
#define CHROME_BROWSER_UI_WEBUI_UBER_UBER_UI_H_
#include <string>
#include "base/memory/scoped_vector.h"
#include "base/values.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/web_ui_controller.h"
// The WebUI class for the uber page (chrome://chrome). It manages the UI for
// the uber page (navigation bar and so forth) as well as WebUI objects for
// pages that appear in the uber page.
class UberUI : public content::WebUIController {
public:
explicit UberUI(content::WebUI* web_ui);
~UberUI() override;
content::WebUI* GetSubpage(const std::string& page_url);
// WebUIController implementation.
bool OverrideHandleWebUIMessage(const GURL& source_url,
const std::string& message,
const base::ListValue& args) override;
// We forward these to |sub_uis_|.
void RenderViewCreated(content::RenderViewHost* render_view_host) override;
void RenderViewReused(content::RenderViewHost* render_view_host) override;
private:
// A map from URL origin to WebUI instance.
typedef std::map<std::string, content::WebUI*> SubpageMap;
// Creates and stores a WebUI for the given URL.
void RegisterSubpage(const std::string& page_url,
const std::string& page_host);
// The WebUI*s in this map are owned.
SubpageMap sub_uis_;
DISALLOW_COPY_AND_ASSIGN(UberUI);
};
class UberFrameUI : public content::NotificationObserver,
public content::WebUIController {
public:
explicit UberFrameUI(content::WebUI* web_ui);
~UberFrameUI() override;
private:
// content::NotificationObserver implementation.
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(UberFrameUI);
};
#endif // CHROME_BROWSER_UI_WEBUI_UBER_UBER_UI_H_
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