1// Copyright (c) 2012 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
8#include "base/basictypes.h"
9#include "base/compiler_specific.h"
10#include "ui/gfx/native_widget_types.h"
11#include "ui/views/controls/button/button.h"
12#include "ui/views/controls/link_listener.h"
13
14class ProcessSingleton;
15
16namespace gfx {
17class Rect;
18}
19
20namespace views {
21class RadioButton;
22class Checkbox;
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 flavor looks like this:
29//
30//   +-----------------------------------------------+
31//   | |icon| There is a new, safer version      [x] |
32//   | |icon| of Google Chrome available             |
33//   |        [o] Try it out (already installed)     |
34//   |        [ ] Uninstall Google Chrome            |
35//   |        [ OK ] [Don't bug me]                  |
36//   |        _why_am_I_seeing this?_                |
37//   +-----------------------------------------------+
38//
39// Another flavor looks like:
40//   +-----------------------------------------------+
41//   | |icon| There is a new, safer version      [x] |
42//   | |icon| of Google Chrome available             |
43//   |        [o] Try it out (already installed)     |
44//   |        [ ] Don't bug me                       |
45//   |                  [ OK ]                       |
46//   +-----------------------------------------------+
47//
48// And the 2013 version looks like:
49//   +-----------------------------------------------+
50//   | |icon| There is a new version of          [x] |
51//   | |icon| Google Chrome available                |
52//   |        [o] Try it out (already installed)     |
53//   |        [ ] Don't bug me                       |
54//   | --------------------------------------------- |
55//   | [x] Make it the default browser       [ OK ]  |
56//   +-----------------------------------------------+
57
58class TryChromeDialogView : public views::ButtonListener,
59                            public views::LinkListener {
60 public:
61  // Receives a handle to the active modal dialog, or NULL when the active
62  // dialog is dismissed.
63  typedef base::Callback<void(gfx::NativeWindow active_dialog)>
64      ActiveModalDialogListener;
65
66  enum Result {
67    TRY_CHROME,             // Launch chrome right now.
68    TRY_CHROME_AS_DEFAULT,  // Launch chrome and make it the default.
69    NOT_NOW,                // Don't launch chrome. Exit now.
70    UNINSTALL_CHROME,       // Initiate chrome uninstall and exit.
71    DIALOG_ERROR,           // An error occurred creating the dialog.
72    COUNT
73  };
74
75  // Shows a modal dialog asking the user to give chrome another try. See
76  // above for the possible outcomes of the function. This is an experimental,
77  // non-localized dialog.
78  // |flavor| can be 0, 1, 2 or 3 and selects what strings to present.
79  // |listener| will be notified when the dialog becomes active and when it is
80  // dismissed.
81  // Note that the dialog has no parent and it will position itself in a lower
82  // corner of the screen. The dialog does not steal focus and does not have an
83  // entry in the taskbar.
84  static Result Show(size_t flavor, const ActiveModalDialogListener& listener);
85
86 private:
87  explicit TryChromeDialogView(size_t flavor);
88  virtual ~TryChromeDialogView();
89
90  Result ShowModal(const ActiveModalDialogListener& listener);
91
92  // Returns a screen rectangle that is fit to show the window. In particular
93  // it has the following properties: a) is visible and b) is attached to the
94  // bottom of the working area. For LTR machines it returns a left side
95  // rectangle and for RTL it returns a right side rectangle so that the dialog
96  // does not compete with the standar place of the start menu.
97  gfx::Rect ComputeWindowPosition(int width, int height, bool is_RTL);
98
99  // Create a windows region that looks like a toast of width |w| and height
100  // |h|. This is best effort, so we don't care much if the operation fails.
101  void SetToastRegion(HWND window, int w, int h);
102
103  // views::ButtonListener:
104  // We have two buttons and according to what the user clicked we set |result_|
105  // and we should always close and end the modal loop.
106  virtual void ButtonPressed(views::Button* sender,
107                             const ui::Event& event) OVERRIDE;
108
109  // views::LinkListener:
110  // If the user selects the link we need to fire off the default browser that
111  // by some convoluted logic should not be chrome.
112  virtual void LinkClicked(views::Link* source, int event_flags) OVERRIDE;
113
114  // Controls which flavor of the heading text to use.
115  size_t flavor_;
116
117  // We don't own any of these pointers. The |popup_| owns itself and owns the
118  // other views.
119  views::Widget* popup_;
120  views::RadioButton* try_chrome_;
121  views::RadioButton* kill_chrome_;
122  views::RadioButton* dont_try_chrome_;
123  views::Checkbox* make_default_;
124  Result result_;
125
126  DISALLOW_COPY_AND_ASSIGN(TryChromeDialogView);
127};
128
129#endif  // CHROME_BROWSER_FIRST_RUN_TRY_CHROME_DIALOG_VIEW_H_
130