chrome/browser/chromeos/login/webui_login_view.h

   1 // Copyright (c) 2011 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_CHROMEOS_LOGIN_WEBUI_LOGIN_VIEW_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_VIEW_H_
   7 #pragma once
   8
   9 #include "chrome/browser/chromeos/login/login_html_dialog.h"
  10 #include "chrome/browser/chromeos/status/status_area_host.h"
  11 #include "chrome/browser/chromeos/tab_first_render_watcher.h"
  12 #include "chrome/browser/ui/views/unhandled_keyboard_event_handler.h"
  13 #include "content/browser/tab_contents/tab_contents_delegate.h"
  14 #include "views/view.h"
  15
  16 class DOMView;
  17 class GURL;
  18 class Profile;
  19 class WebUI;
  20
  21 namespace views {
  22 class Widget;
  23 }
  24
  25 namespace chromeos {
  26
  27 class StatusAreaView;
  28 class TabFirstRenderWatcher;
  29
  30 // View used to render a WebUI supporting Widget. This widget is used for the
  31 // WebUI based start up and lock screens. It contains a StatusAreaView and
  32 // DOMView.
  33 class WebUILoginView : public views::View,
  34                        public StatusAreaHost,
  35                        public TabContentsDelegate,
  36                        public chromeos::LoginHtmlDialog::Delegate,
  37                        public TabFirstRenderWatcher::Delegate {
  38  public:
  39   static const int kStatusAreaCornerPadding;
  40
  41   WebUILoginView();
  42   virtual ~WebUILoginView();
  43
  44   // Initializes the webui login view.
  45   virtual void Init();
  46
  47   // Overridden from views::Views:
  48   virtual bool AcceleratorPressed(
  49       const views::Accelerator& accelerator) OVERRIDE;
  50   virtual std::string GetClassName() const OVERRIDE;
  51
  52   // Overridden from StatusAreaHost:
  53   virtual gfx::NativeWindow GetNativeWindow() const;
  54
  55   // Called when WebUI window is created.
  56   virtual void OnWindowCreated();
  57
  58   // Invokes SetWindowType for the window. This is invoked during startup and
  59   // after we've painted.
  60   void UpdateWindowType();
  61
  62   // Loads given page. Should be called after Init() has been called.
  63   void LoadURL(const GURL& url);
  64
  65   // Returns current WebUI.
  66   WebUI* GetWebUI();
  67
  68   // Toggles whether status area is enabled.
  69   void SetStatusAreaEnabled(bool enable);
  70
  71   // Toggles status area visibility.
  72   void SetStatusAreaVisible(bool visible);
  73
  74  protected:
  75   // Overridden from views::View:
  76   virtual void Layout() OVERRIDE;
  77   virtual void ChildPreferredSizeChanged(View* child) OVERRIDE;
  78
  79   // Overridden from StatusAreaHost:
  80   virtual Profile* GetProfile() const OVERRIDE;
  81   virtual void ExecuteBrowserCommand(int id) const OVERRIDE;
  82   virtual bool ShouldOpenButtonOptions(
  83       const views::View* button_view) const OVERRIDE;
  84   virtual void OpenButtonOptions(const views::View* button_view) OVERRIDE;
  85   virtual ScreenMode GetScreenMode() const OVERRIDE;
  86   virtual TextStyle GetTextStyle() const OVERRIDE;
  87   virtual void ButtonVisibilityChanged(views::View* button_view) OVERRIDE;
  88
  89   // Overridden from LoginHtmlDialog::Delegate:
  90   virtual void OnDialogClosed() OVERRIDE;
  91   virtual void OnLocaleChanged() OVERRIDE;
  92
  93   // TabFirstRenderWatcher::Delegate implementation.
  94   virtual void OnTabMainFrameLoaded() OVERRIDE;
  95   virtual void OnTabMainFrameFirstRender() OVERRIDE;
  96
  97   // Creates and adds the status area (separate window).
  98   virtual void InitStatusArea();
  99
 100   StatusAreaView* status_area_;
 101
 102   Profile* profile_;
 103
 104   // DOMView for rendering a webpage as a webui login.
 105   DOMView* webui_login_;
 106
 107  private:
 108   // Map type for the accelerator-to-identifier map.
 109   typedef std::map<views::Accelerator, std::string> AccelMap;
 110
 111   // Overridden from TabContentsDelegate.
 112   virtual bool HandleContextMenu(const ContextMenuParams& params) OVERRIDE;
 113   virtual void HandleKeyboardEvent(
 114       const NativeWebKeyboardEvent& event) OVERRIDE;
 115   virtual bool IsPopupOrPanel(const TabContents* source) const OVERRIDE;
 116   virtual bool TakeFocus(bool reverse) OVERRIDE;
 117
 118   // Window that contains status area.
 119   // TODO(nkostylev): Temporary solution till we have
 120   // RenderWidgetHostViewViews working.
 121   views::Widget* status_window_;
 122
 123   // Converts keyboard events on the TabContents to accelerators.
 124   UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
 125
 126   // Maps installed accelerators to OOBE webui accelerator identifiers.
 127   AccelMap accel_map_;
 128
 129   // Proxy settings dialog that can be invoked from network menu.
 130   scoped_ptr<LoginHtmlDialog> proxy_settings_dialog_;
 131
 132   // Watches webui_login_'s TabContents rendering.
 133   scoped_ptr<TabFirstRenderWatcher> tab_watcher_;
 134
 135   // Whether the host window is frozen.
 136   bool host_window_frozen_;
 137
 138   DISALLOW_COPY_AND_ASSIGN(WebUILoginView);
 139 };
 140
 141 }  // namespace chromeos
 142
 143 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_VIEW_H_