chrome/browser/ui/webui/app_launcher_page_ui.h

   1 // Copyright (c) 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 #ifndef CHROME_BROWSER_UI_WEBUI_APP_LAUNCHER_PAGE_UI_H_
   6 #define CHROME_BROWSER_UI_WEBUI_APP_LAUNCHER_PAGE_UI_H_
   7
   8 #include "content/public/browser/url_data_source.h"
   9 #include "content/public/browser/web_ui_controller.h"
  10 #include "ui/base/layout.h"
  11
  12 class Profile;
  13
  14 namespace base {
  15 class RefCountedMemory;
  16 }
  17
  18 // The WebUIController used for the app launcher page UI.
  19 class AppLauncherPageUI : public content::WebUIController {
  20  public:
  21   explicit AppLauncherPageUI(content::WebUI* web_ui);
  22   ~AppLauncherPageUI() override;
  23
  24   static base::RefCountedMemory* GetFaviconResourceBytes(
  25       ui::ScaleFactor scale_factor);
  26
  27   // content::WebUIController:
  28   bool OverrideHandleWebUIMessage(const GURL& source_url,
  29                                   const std::string& message,
  30                                   const base::ListValue& args) override;
  31
  32  private:
  33   class HTMLSource : public content::URLDataSource {
  34    public:
  35     explicit HTMLSource(Profile* profile);
  36     ~HTMLSource() override;
  37
  38     // content::URLDataSource implementation.
  39     std::string GetSource() const override;
  40     void StartDataRequest(
  41         const std::string& path,
  42         int render_process_id,
  43         int render_frame_id,
  44         const content::URLDataSource::GotDataCallback& callback) override;
  45     std::string GetMimeType(const std::string&) const override;
  46     bool ShouldReplaceExistingSource() const override;
  47     bool ShouldAddContentSecurityPolicy() const override;
  48
  49    private:
  50
  51     // Pointer back to the original profile.
  52     Profile* profile_;
  53
  54     DISALLOW_COPY_AND_ASSIGN(HTMLSource);
  55   };
  56
  57   Profile* GetProfile() const;
  58
  59   DISALLOW_COPY_AND_ASSIGN(AppLauncherPageUI);
  60 };
  61
  62 #endif  // CHROME_BROWSER_UI_WEBUI_APP_LAUNCHER_PAGE_UI_H_