background_view.h revision 72a454cd3513ac24fbdd0e0cb9ad70b86a99b801 
1// Copyright (c) 2010 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_BACKGROUND_VIEW_H_
6#define CHROME_BROWSER_CHROMEOS_LOGIN_BACKGROUND_VIEW_H_
7#pragma once
8
9#include "chrome/browser/chromeos/boot_times_loader.h"
10#include "chrome/browser/chromeos/cros/cros_library.h"
11#include "chrome/browser/chromeos/login/login_html_dialog.h"
12#include "chrome/browser/chromeos/status/status_area_host.h"
13#include "chrome/browser/chromeos/version_loader.h"
14#include "views/view.h"
15
16namespace views {
17class Label;
18class TextButton;
19class Widget;
20class WindowDelegate;
21}
22
23class DOMView;
24class GURL;
25class Profile;
26
27namespace chromeos {
28
29class OobeProgressBar;
30class ShutdownButton;
31class StatusAreaView;
32
33// View used to render the background during login. BackgroundView contains
34// StatusAreaView.
35class BackgroundView : public views::View,
36                       public StatusAreaHost,
37                       public chromeos::LoginHtmlDialog::Delegate {
38 public:
39  enum LoginStep {
40    SELECT_NETWORK,
41    EULA,
42    SIGNIN,
43    REGISTRATION,
44    PICTURE,
45
46    // Steps count, must be the last in the enum.
47    STEPS_COUNT
48  };
49
50  BackgroundView();
51
52  // Initializes the background view. It backgroun_url is given (non empty),
53  // it creates a DOMView background area that renders a webpage.
54  void Init(const GURL& background_url);
55
56  // Enable/disable shutdown button.
57  void EnableShutdownButton(bool enable);
58
59  // Creates a window containing an instance of WizardContentsView as the root
60  // view. The caller is responsible for showing (and closing) the returned
61  // widget. The BackgroundView is set in |view|. If background_url is non
62  // empty, the content page of the url is displayed as a background.
63  static views::Widget* CreateWindowContainingView(
64      const gfx::Rect& bounds,
65      const GURL& background_url,
66      BackgroundView** view);
67
68  // Create a modal popup view.
69  void CreateModalPopup(views::WindowDelegate* view);
70
71  // Overridden from StatusAreaHost:
72  virtual gfx::NativeWindow GetNativeWindow() const;
73
74  // Toggles status area visibility.
75  void SetStatusAreaVisible(bool visible);
76
77  // Toggles whether status area is enabled.
78  void SetStatusAreaEnabled(bool enable);
79
80  // Toggles OOBE progress bar visibility, the bar is hidden by default.
81  void SetOobeProgressBarVisible(bool visible);
82
83  // Gets progress bar visibility.
84  bool IsOobeProgressBarVisible();
85
86  // Sets current step on OOBE progress bar.
87  void SetOobeProgress(LoginStep step);
88
89  // Shows screen saver.
90  void ShowScreenSaver();
91
92  // Hides screen saver.
93  void HideScreenSaver();
94
95  // Tells if screen saver is visible.
96  bool IsScreenSaverVisible();
97
98  // Tells if screen saver is enabled.
99  bool ScreenSaverEnabled();
100
101 protected:
102  // Overridden from views::View:
103  virtual void Paint(gfx::Canvas* canvas);
104  virtual void Layout();
105  virtual void ChildPreferredSizeChanged(View* child);
106  virtual void OnLocaleChanged();
107
108  // Overridden from StatusAreaHost:
109  virtual Profile* GetProfile() const { return NULL; }
110  virtual void ExecuteBrowserCommand(int id) const {}
111  virtual bool ShouldOpenButtonOptions(
112      const views::View* button_view) const;
113  virtual void OpenButtonOptions(const views::View* button_view);
114  virtual ScreenMode GetScreenMode() const;
115
116  // Overridden from LoginHtmlDialog::Delegate:
117  virtual void OnDialogClosed() {}
118
119 private:
120  // Creates and adds the status_area.
121  void InitStatusArea();
122  // Creates and adds the labels for version and boot time.
123  void InitInfoLabels();
124  // Creates and add OOBE progress bar.
125  void InitProgressBar();
126
127  // Invokes SetWindowType for the window. This is invoked during startup and
128  // after we've painted.
129  void UpdateWindowType();
130
131  // Callback from chromeos::VersionLoader giving the version.
132  void OnVersion(VersionLoader::Handle handle, std::string version);
133  // Callback from chromeos::InfoLoader giving the boot times.
134  void OnBootTimes(
135      BootTimesLoader::Handle handle, BootTimesLoader::BootTimes boot_times);
136
137  // All of these variables could be NULL.
138  StatusAreaView* status_area_;
139  views::Label* os_version_label_;
140  views::Label* boot_times_label_;
141  OobeProgressBar* progress_bar_;
142  ShutdownButton* shutdown_button_;
143
144  // Handles asynchronously loading the version.
145  VersionLoader version_loader_;
146  // Used to request the version.
147  CancelableRequestConsumer version_consumer_;
148
149  // Handles asynchronously loading the boot times.
150  BootTimesLoader boot_times_loader_;
151  // Used to request the boot times.
152  CancelableRequestConsumer boot_times_consumer_;
153
154  // Has Paint been invoked once? The value of this is passed to the window
155  // manager.
156  // TODO(sky): nuke this when the wm knows when chrome has painted.
157  bool did_paint_;
158
159  // True if running official BUILD.
160  bool is_official_build_;
161
162  // DOMView for rendering a webpage as a background.
163  DOMView* background_area_;
164
165  // Proxy settings dialog that can be invoked from network menu.
166  scoped_ptr<LoginHtmlDialog> proxy_settings_dialog_;
167
168  DISALLOW_COPY_AND_ASSIGN(BackgroundView);
169};
170
171}  // namespace chromeos
172
173#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_BACKGROUND_VIEW_H_
174