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_FIRST_RUN_TRY_CHROME_DIALOG_VIEW_H_
6#define CHROME_BROWSER_FIRST_RUN_TRY_CHROME_DIALOG_VIEW_H_
7#pragma once
8
9#include "base/basictypes.h"
10#include "base/compiler_specific.h"
11#include "views/controls/button/button.h"
12#include "views/controls/link.h"
13#include "ui/gfx/native_widget_types.h"
14
15class ProcessSingleton;
16
17namespace gfx {
18class Rect;
19}
20
21namespace views {
22class RadioButton;
23class Widget;
24}
25
26// This class displays a modal dialog using the views system. The dialog asks
27// the user to give chrome another try. This class only handles the UI so the
28// resulting actions are up to the caller. One version looks like this:
29//
30//   +-----------------------------------------------+
31//   | |icon| You stopped using Google Chrome    [x] |
32//   | |icon| Would you like to:                     |
33//   |        [o] Give the new version a try         |
34//   |        [ ] Uninstall Google Chrome            |
35//   |        [ OK ] [Don't bug me]                  |
36//   |                                               |
37//   |        _why_am_I_seeing this?_                |
38//   +-----------------------------------------------+
39//
40class TryChromeDialogView : public views::ButtonListener,
41                            public views::LinkController {
42 public:
43  enum Result {
44    TRY_CHROME,          // Launch chrome right now.
45    NOT_NOW,             // Don't launch chrome. Exit now.
46    UNINSTALL_CHROME,    // Initiate chrome uninstall and exit.
47    DIALOG_ERROR,        // An error occurred creating the dialog.
48    COUNT
49  };
50
51  // Shows a modal dialog asking the user to give chrome another try. See
52  // above for the possible outcomes of the function. This is an experimental,
53  // non-localized dialog.
54  // |version| can be 0, 1 or 2 and selects what strings to present.
55  // |process_singleton| needs to be valid and it will be locked while
56  // the dialog is shown.
57  // Note that the dialog has no parent and it will position itself in a lower
58  // corner of the screen. The dialog does not steal focus and does not have an
59  // entry in the taskbar.
60  static Result Show(size_t version, ProcessSingleton* process_singleton);
61
62 private:
63  enum ButtonTags {
64    BT_NONE,
65    BT_CLOSE_BUTTON,
66    BT_OK_BUTTON,
67  };
68
69  explicit TryChromeDialogView(size_t version);
70  virtual ~TryChromeDialogView();
71
72  Result ShowModal(ProcessSingleton* process_singleton);
73
74  // Returns a screen rectangle that is fit to show the window. In particular
75  // it has the following properties: a) is visible and b) is attached to the
76  // bottom of the working area. For LTR machines it returns a left side
77  // rectangle and for RTL it returns a right side rectangle so that the dialog
78  // does not compete with the standar place of the start menu.
79  gfx::Rect ComputeWindowPosition(int width, int height, bool is_RTL);
80
81  // Create a windows region that looks like a toast of width |w| and height
82  // |h|. This is best effort, so we don't care much if the operation fails.
83  void SetToastRegion(gfx::NativeWindow window, int w, int h);
84
85  // views::ButtonListener:
86  // We have two buttons and according to what the user clicked we set |result_|
87  // and we should always close and end the modal loop.
88  virtual void ButtonPressed(views::Button* sender,
89                             const views::Event& event) OVERRIDE;
90
91  // views::LinkController:
92  // If the user selects the link we need to fire off the default browser that
93  // by some convoluted logic should not be chrome.
94  virtual void LinkActivated(views::Link* source, int event_flags) OVERRIDE;
95
96  // Controls which version of the text to use.
97  size_t version_;
98
99  // We don't own any of these pointers. The |popup_| owns itself and owns the
100  // other views.
101  views::Widget* popup_;
102  views::RadioButton* try_chrome_;
103  views::RadioButton* kill_chrome_;
104  Result result_;
105
106  DISALLOW_COPY_AND_ASSIGN(TryChromeDialogView);
107};
108
109#endif  // CHROME_BROWSER_FIRST_RUN_TRY_CHROME_DIALOG_VIEW_H_
110