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 #include "chrome/browser/first_run/try_chrome_dialog_view.h"
6
7 #include <shellapi.h>
8
9 #include "base/logging.h"
10 #include "base/message_loop.h"
11 #include "base/string16.h"
12 #include "chrome/browser/process_singleton.h"
13 #include "chrome/installer/util/browser_distribution.h"
14 #include "grit/chromium_strings.h"
15 #include "grit/generated_resources.h"
16 #include "grit/theme_resources.h"
17 #include "ui/base/resource/resource_bundle.h"
18 #include "views/controls/button/image_button.h"
19 #include "views/controls/button/radio_button.h"
20 #include "views/controls/image_view.h"
21 #include "views/layout/grid_layout.h"
22 #include "views/layout/layout_constants.h"
23 #include "views/widget/root_view.h"
24 #include "views/widget/widget.h"
25 #include "ui/base/l10n/l10n_util.h"
26
27 namespace {
28
29 const wchar_t kHelpCenterUrl[] =
30 L"https://www.google.com/support/chrome/bin/answer.py?answer=150752";
31
32 } // namespace
33
34 // static
Show(size_t version,ProcessSingleton * process_singleton)35 TryChromeDialogView::Result TryChromeDialogView::Show(
36 size_t version,
37 ProcessSingleton* process_singleton) {
38 if (version > 10000) {
39 // This is a test value. We want to make sure we exercise
40 // returning this early. See EarlyReturnTest test harness.
41 return NOT_NOW;
42 }
43 TryChromeDialogView dialog(version);
44 return dialog.ShowModal(process_singleton);
45 }
46
TryChromeDialogView(size_t version)47 TryChromeDialogView::TryChromeDialogView(size_t version)
48 : version_(version),
49 popup_(NULL),
50 try_chrome_(NULL),
51 kill_chrome_(NULL),
52 result_(COUNT) {
53 }
54
~TryChromeDialogView()55 TryChromeDialogView::~TryChromeDialogView() {
56 }
57
ShowModal(ProcessSingleton * process_singleton)58 TryChromeDialogView::Result TryChromeDialogView::ShowModal(
59 ProcessSingleton* process_singleton) {
60 ResourceBundle& rb = ResourceBundle::GetSharedInstance();
61
62 views::ImageView* icon = new views::ImageView();
63 icon->SetImage(*rb.GetBitmapNamed(IDR_PRODUCT_ICON_32));
64 gfx::Size icon_size = icon->GetPreferredSize();
65
66 // An approximate window size. After Layout() we'll get better bounds.
67 views::Widget::CreateParams params(views::Widget::CreateParams::TYPE_POPUP);
68 params.can_activate = true;
69 popup_ = views::Widget::CreateWidget(params);
70 if (!popup_) {
71 NOTREACHED();
72 return DIALOG_ERROR;
73 }
74
75 gfx::Rect pos(310, 160);
76 popup_->Init(NULL, pos);
77
78 views::RootView* root_view = popup_->GetRootView();
79 // The window color is a tiny bit off-white.
80 root_view->set_background(
81 views::Background::CreateSolidBackground(0xfc, 0xfc, 0xfc));
82
83 views::GridLayout* layout = views::GridLayout::CreatePanel(root_view);
84 if (!layout) {
85 NOTREACHED();
86 return DIALOG_ERROR;
87 }
88 root_view->SetLayoutManager(layout);
89
90 views::ColumnSet* columns;
91 // First row: [icon][pad][text][button].
92 columns = layout->AddColumnSet(0);
93 columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::LEADING, 0,
94 views::GridLayout::FIXED, icon_size.width(),
95 icon_size.height());
96 columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
97 columns->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL, 1,
98 views::GridLayout::USE_PREF, 0, 0);
99 columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL, 1,
100 views::GridLayout::USE_PREF, 0, 0);
101 // Second row: [pad][pad][radio 1].
102 columns = layout->AddColumnSet(1);
103 columns->AddPaddingColumn(0, icon_size.width());
104 columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
105 columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 1,
106 views::GridLayout::USE_PREF, 0, 0);
107 // Third row: [pad][pad][radio 2].
108 columns = layout->AddColumnSet(2);
109 columns->AddPaddingColumn(0, icon_size.width());
110 columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
111 columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 1,
112 views::GridLayout::USE_PREF, 0, 0);
113 // Fourth row: [pad][pad][button][pad][button].
114 columns = layout->AddColumnSet(3);
115 columns->AddPaddingColumn(0, icon_size.width());
116 columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
117 columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 0,
118 views::GridLayout::USE_PREF, 0, 0);
119 columns->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
120 columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 0,
121 views::GridLayout::USE_PREF, 0, 0);
122 // Fifth row: [pad][pad][link].
123 columns = layout->AddColumnSet(4);
124 columns->AddPaddingColumn(0, icon_size.width());
125 columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
126 columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 1,
127 views::GridLayout::USE_PREF, 0, 0);
128 // First row views.
129 layout->StartRow(0, 0);
130 layout->AddView(icon);
131
132 // Find out what experiment we are conducting.
133 BrowserDistribution* dist = BrowserDistribution::GetDistribution();
134 if (!dist) {
135 NOTREACHED() << "Cannot determine browser distribution";
136 return DIALOG_ERROR;
137 }
138 BrowserDistribution::UserExperiment experiment;
139 if (!dist->GetExperimentDetails(&experiment, version_) ||
140 !experiment.heading) {
141 NOTREACHED() << "Cannot determine which headline to show.";
142 return DIALOG_ERROR;
143 }
144 string16 heading = l10n_util::GetStringUTF16(experiment.heading);
145 views::Label* label = new views::Label(heading);
146 label->SetFont(rb.GetFont(ResourceBundle::MediumBoldFont));
147 label->SetMultiLine(true);
148 label->SizeToFit(200);
149 label->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
150 layout->AddView(label);
151 // The close button is custom.
152 views::ImageButton* close_button = new views::ImageButton(this);
153 close_button->SetImage(views::CustomButton::BS_NORMAL,
154 rb.GetBitmapNamed(IDR_CLOSE_BAR));
155 close_button->SetImage(views::CustomButton::BS_HOT,
156 rb.GetBitmapNamed(IDR_CLOSE_BAR_H));
157 close_button->SetImage(views::CustomButton::BS_PUSHED,
158 rb.GetBitmapNamed(IDR_CLOSE_BAR_P));
159 close_button->set_tag(BT_CLOSE_BUTTON);
160 layout->AddView(close_button);
161
162 // Second row views.
163 const string16 try_it(l10n_util::GetStringUTF16(IDS_TRY_TOAST_TRY_OPT));
164 layout->StartRowWithPadding(0, 1, 0, 10);
165 try_chrome_ = new views::RadioButton(try_it, 1);
166 layout->AddView(try_chrome_);
167 try_chrome_->SetChecked(true);
168
169 // Third row views.
170 const string16 kill_it(l10n_util::GetStringUTF16(IDS_UNINSTALL_CHROME));
171 layout->StartRow(0, 2);
172 kill_chrome_ = new views::RadioButton(kill_it, 1);
173 layout->AddView(kill_chrome_);
174
175 // Fourth row views.
176 const string16 ok_it(l10n_util::GetStringUTF16(IDS_OK));
177 const string16 cancel_it(l10n_util::GetStringUTF16(IDS_TRY_TOAST_CANCEL));
178 const string16 why_this(l10n_util::GetStringUTF16(IDS_TRY_TOAST_WHY));
179 layout->StartRowWithPadding(0, 3, 0, 10);
180 views::Button* accept_button = new views::NativeButton(this, ok_it);
181 accept_button->set_tag(BT_OK_BUTTON);
182 layout->AddView(accept_button);
183 views::Button* cancel_button = new views::NativeButton(this, cancel_it);
184 cancel_button->set_tag(BT_CLOSE_BUTTON);
185 layout->AddView(cancel_button);
186 // Fifth row views.
187 layout->StartRowWithPadding(0, 4, 0, 10);
188 views::Link* link = new views::Link(why_this);
189 link->SetController(this);
190 layout->AddView(link);
191
192 // We resize the window according to the layout manager. This takes into
193 // account the differences between XP and Vista fonts and buttons.
194 layout->Layout(root_view);
195 gfx::Size preferred = layout->GetPreferredSize(root_view);
196 pos = ComputeWindowPosition(preferred.width(), preferred.height(),
197 base::i18n::IsRTL());
198 popup_->SetBounds(pos);
199
200 // Carve the toast shape into the window.
201 SetToastRegion(popup_->GetNativeView(),
202 preferred.width(), preferred.height());
203
204 // Time to show the window in a modal loop. We don't want this chrome
205 // instance trying to serve WM_COPYDATA requests, as we'll surely crash.
206 process_singleton->Lock(popup_->GetNativeView());
207 popup_->Show();
208 MessageLoop::current()->Run();
209 process_singleton->Unlock();
210 return result_;
211 }
212
ComputeWindowPosition(int width,int height,bool is_RTL)213 gfx::Rect TryChromeDialogView::ComputeWindowPosition(int width,
214 int height,
215 bool is_RTL) {
216 // The 'Shell_TrayWnd' is the taskbar. We like to show our window in that
217 // monitor if we can. This code works even if such window is not found.
218 HWND taskbar = ::FindWindowW(L"Shell_TrayWnd", NULL);
219 HMONITOR monitor = ::MonitorFromWindow(taskbar, MONITOR_DEFAULTTOPRIMARY);
220 MONITORINFO info = {sizeof(info)};
221 if (!GetMonitorInfoW(monitor, &info)) {
222 // Quite unexpected. Do a best guess at a visible rectangle.
223 return gfx::Rect(20, 20, width + 20, height + 20);
224 }
225 // The |rcWork| is the work area. It should account for the taskbars that
226 // are in the screen when we called the function.
227 int left = is_RTL ? info.rcWork.left : info.rcWork.right - width;
228 int top = info.rcWork.bottom - height;
229 return gfx::Rect(left, top, width, height);
230 }
231
SetToastRegion(HWND window,int w,int h)232 void TryChromeDialogView::SetToastRegion(HWND window, int w, int h) {
233 static const POINT polygon[] = {
234 {0, 4}, {1, 2}, {2, 1}, {4, 0}, // Left side.
235 {w-4, 0}, {w-2, 1}, {w-1, 2}, {w, 4}, // Right side.
236 {w, h}, {0, h}
237 };
238 HRGN region = ::CreatePolygonRgn(polygon, arraysize(polygon), WINDING);
239 ::SetWindowRgn(window, region, FALSE);
240 }
241
ButtonPressed(views::Button * sender,const views::Event & event)242 void TryChromeDialogView::ButtonPressed(views::Button* sender,
243 const views::Event& event) {
244 if (sender->tag() == BT_CLOSE_BUTTON) {
245 // The user pressed cancel or the [x] button.
246 result_ = NOT_NOW;
247 } else if (!try_chrome_) {
248 // We don't have radio buttons, the user pressed ok.
249 result_ = TRY_CHROME;
250 } else {
251 // The outcome is according to the selected ratio button.
252 result_ = try_chrome_->checked() ? TRY_CHROME : UNINSTALL_CHROME;
253 }
254 popup_->Close();
255 MessageLoop::current()->Quit();
256 }
257
LinkActivated(views::Link * source,int event_flags)258 void TryChromeDialogView::LinkActivated(views::Link* source, int event_flags) {
259 ::ShellExecuteW(NULL, L"open", kHelpCenterUrl, NULL, NULL, SW_SHOW);
260 }
261