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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_UI_VIEWS_TRY_CHROME_DIALOG_VIEW_H_ | |
6 #define CHROME_BROWSER_UI_VIEWS_TRY_CHROME_DIALOG_VIEW_H_ | |
7 | |
8 #include <stddef.h> | |
9 | |
10 #include "base/compiler_specific.h" | |
11 #include "base/macros.h" | |
12 #include "ui/gfx/geometry/rect.h" | |
13 #include "ui/gfx/geometry/size.h" | |
14 #include "ui/gfx/native_widget_types.h" | |
15 #include "ui/views/controls/button/button.h" | |
16 #include "ui/views/controls/link_listener.h" | |
17 | |
18 namespace views { | |
19 class RadioButton; | |
20 class Checkbox; | |
21 class Widget; | |
22 } | |
23 | |
24 // This class displays a modal dialog using the views system. The dialog asks | |
25 // the user to give chrome another try. This class only handles the UI so the | |
26 // resulting actions are up to the caller. One flavor looks like this: | |
27 // | |
28 // +-----------------------------------------------+ | |
29 // | |icon| There is a new, safer version [x] | | |
30 // | |icon| of Google Chrome available | | |
31 // | [o] Try it out (already installed) | | |
32 // | [ ] Uninstall Google Chrome | | |
33 // | [ OK ] [Don't bug me] | | |
34 // | _why_am_I_seeing this?_ | | |
35 // +-----------------------------------------------+ | |
36 // | |
37 // Another flavor looks like: | |
38 // +-----------------------------------------------+ | |
39 // | |icon| There is a new, safer version [x] | | |
40 // | |icon| of Google Chrome available | | |
41 // | [o] Try it out (already installed) | | |
42 // | [ ] Don't bug me | | |
43 // | [ OK ] | | |
44 // +-----------------------------------------------+ | |
45 // | |
46 // And the 2013 version looks like: | |
47 // +-----------------------------------------------+ | |
48 // | |icon| There is a new version of [x] | | |
49 // | |icon| Google Chrome available | | |
50 // | [o] Try it out (already installed) | | |
51 // | [ ] Don't bug me | | |
52 // | --------------------------------------------- | | |
53 // | [x] Make it the default browser [ OK ] | | |
54 // +-----------------------------------------------+ | |
55 | |
56 class TryChromeDialogView : public views::ButtonListener, | |
57 public views::LinkListener { | |
58 public: | |
59 // Receives a handle to the active modal dialog, or NULL when the active | |
60 // dialog is dismissed. | |
61 typedef base::Callback<void(gfx::NativeWindow active_dialog)> | |
62 ActiveModalDialogListener; | |
63 | |
64 enum Result { | |
65 TRY_CHROME, // Launch chrome right now. | |
66 TRY_CHROME_AS_DEFAULT, // Launch chrome and make it the default. | |
67 NOT_NOW, // Don't launch chrome. Exit now. | |
68 UNINSTALL_CHROME, // Initiate chrome uninstall and exit. | |
69 DIALOG_ERROR, // An error occurred creating the dialog. | |
70 COUNT | |
71 }; | |
72 | |
73 // Shows a modal dialog asking the user to give chrome another try. See | |
74 // above for the possible outcomes of the function. This is an experimental, | |
75 // non-localized dialog. | |
76 // |flavor| can be 0, 1, 2 or 3 and selects what strings to present. | |
77 // |listener| will be notified when the dialog becomes active and when it is | |
78 // dismissed. | |
79 // Note that the dialog has no parent and it will position itself in a lower | |
80 // corner of the screen. The dialog does not steal focus and does not have an | |
81 // entry in the taskbar. | |
82 static Result Show(size_t flavor, | |
83 const ActiveModalDialogListener& listener); | |
84 private: | |
85 // Indicates whether the dialog is modal | |
86 enum class kDialogType { | |
87 MODAL, // Modal dialog. | |
88 MODELESS, // Modeless dialog. | |
89 }; | |
90 | |
91 // Indicates the usage type. Chrome or tests. | |
92 enum class kUsageType { | |
93 FOR_CHROME, | |
94 FOR_TESTING, | |
95 }; | |
96 | |
97 friend class TryChromeDialogTest; | |
98 | |
99 explicit TryChromeDialogView(size_t flavor); | |
100 ~TryChromeDialogView() override; | |
101 | |
102 // Helper function to show the dialog. | |
103 // The |dialog_type| parameter indicates whether the dialog is modal. | |
104 // The |usage_type| parameter indicates whether this is being invoked by | |
105 // chrome or a test. | |
106 Result ShowDialog(const ActiveModalDialogListener& listener, | |
107 kDialogType dialog_type, | |
108 kUsageType usage_type); | |
109 | |
110 // Returns a screen rectangle that is fit to show the window. In particular | |
111 // it has the following properties: a) is visible and b) is attached to the | |
112 // bottom of the working area. For LTR machines it returns a left side | |
113 // rectangle and for RTL it returns a right side rectangle so that the dialog | |
114 // does not compete with the standard place of the start menu. | |
115 gfx::Rect ComputeWindowPosition(const gfx::Size& size, bool is_RTL); | |
116 | |
117 // Create a windows region that looks like a toast of width |w| and height | |
118 // |h|. This is best effort, so we don't care much if the operation fails. | |
119 void SetToastRegion(HWND window, int w, int h); | |
120 | |
121 // views::ButtonListener: | |
122 // We have two buttons and according to what the user clicked we set |result_| | |
123 // and we should always close and end the modal loop. | |
124 void ButtonPressed(views::Button* sender, const ui::Event& event) override; | |
125 | |
126 // views::LinkListener: | |
127 // If the user selects the link we need to fire off the default browser that | |
128 // by some convoluted logic should not be chrome. | |
129 void LinkClicked(views::Link* source, int event_flags) override; | |
130 | |
131 // Controls which flavor of the heading text to use. | |
132 size_t flavor_; | |
133 | |
134 // We don't own any of these pointers. The |popup_| owns itself and owns the | |
135 // other views. | |
136 views::Widget* popup_; | |
137 views::RadioButton* try_chrome_; | |
138 views::RadioButton* kill_chrome_; | |
139 views::RadioButton* dont_try_chrome_; | |
140 views::Checkbox* make_default_; | |
141 Result result_; | |
142 | |
143 DISALLOW_COPY_AND_ASSIGN(TryChromeDialogView); | |
144 }; | |
145 | |
146 #endif // CHROME_BROWSER_UI_VIEWS_TRY_CHROME_DIALOG_VIEW_H_ | |
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