chrome/browser/first_run/try_chrome_dialog_view.cc

   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 #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/message_loop.h"
  11 #include "base/strings/string16.h"
  12 #include "chrome/browser/process_singleton.h"
  13 #include "chrome/installer/util/browser_distribution.h"
  14 #include "chrome/installer/util/user_experiment.h"
  15 #include "grit/chromium_strings.h"
  16 #include "grit/generated_resources.h"
  17 #include "grit/theme_resources.h"
  18 #include "grit/ui_resources.h"
  19 #include "ui/aura/window.h"
  20 #include "ui/aura/window_tree_host.h"
  21 #include "ui/base/l10n/l10n_util.h"
  22 #include "ui/base/resource/resource_bundle.h"
  23 #include "ui/gfx/image/image.h"
  24 #include "ui/views/background.h"
  25 #include "ui/views/controls/button/checkbox.h"
  26 #include "ui/views/controls/button/image_button.h"
  27 #include "ui/views/controls/button/label_button.h"
  28 #include "ui/views/controls/button/radio_button.h"
  29 #include "ui/views/controls/image_view.h"
  30 #include "ui/views/controls/link.h"
  31 #include "ui/views/controls/separator.h"
  32 #include "ui/views/layout/grid_layout.h"
  33 #include "ui/views/layout/layout_constants.h"
  34 #include "ui/views/widget/widget.h"
  35
  36 namespace {
  37
  38 const wchar_t kHelpCenterUrl[] =
  39     L"https://www.google.com/support/chrome/bin/answer.py?answer=150752";
  40
  41 enum ButtonTags {
  42   BT_NONE,
  43   BT_CLOSE_BUTTON,
  44   BT_OK_BUTTON,
  45   BT_TRY_IT_RADIO,
  46   BT_DONT_BUG_RADIO
  47 };
  48
  49 const int kRadioGroupID = 1;
  50
  51 }  // namespace
  52
  53 // static
  54 TryChromeDialogView::Result TryChromeDialogView::Show(
  55     size_t flavor,
  56     const ActiveModalDialogListener& listener) {
  57   if (flavor > 10000) {
  58     // This is a test value. We want to make sure we exercise
  59     // returning this early. See TryChromeDialogBrowserTest test.
  60     return NOT_NOW;
  61   }
  62   TryChromeDialogView dialog(flavor);
  63   return dialog.ShowModal(listener);
  64 }
  65
  66 TryChromeDialogView::TryChromeDialogView(size_t flavor)
  67     : flavor_(flavor),
  68       popup_(NULL),
  69       try_chrome_(NULL),
  70       kill_chrome_(NULL),
  71       dont_try_chrome_(NULL),
  72       make_default_(NULL),
  73       result_(COUNT)  {
  74 }
  75
  76 TryChromeDialogView::~TryChromeDialogView() {
  77 }
  78
  79 TryChromeDialogView::Result TryChromeDialogView::ShowModal(
  80     const ActiveModalDialogListener& listener) {
  81   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
  82
  83   views::ImageView* icon = new views::ImageView();
  84   icon->SetImage(rb.GetNativeImageNamed(IDR_PRODUCT_LOGO_32).ToImageSkia());
  85   gfx::Size icon_size = icon->GetPreferredSize();
  86
  87   // An approximate window size. After Layout() we'll get better bounds.
  88   views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
  89   params.activatable = views::Widget::InitParams::ACTIVATABLE_YES;
  90   params.bounds = gfx::Rect(310, 200);
  91   popup_ = new views::Widget;
  92   popup_->Init(params);
  93
  94   views::View* root_view = popup_->GetRootView();
  95   // The window color is a tiny bit off-white.
  96   root_view->set_background(
  97       views::Background::CreateSolidBackground(0xfc, 0xfc, 0xfc));
  98
  99   views::GridLayout* layout = views::GridLayout::CreatePanel(root_view);
 100   root_view->SetLayoutManager(layout);
 101   views::ColumnSet* columns;
 102
 103   // First row: [icon][pad][text][pad][button].
 104   columns = layout->AddColumnSet(0);
 105   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::LEADING, 0,
 106                      views::GridLayout::FIXED, icon_size.width(),
 107                      icon_size.height());
 108   columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
 109   columns->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL, 1,
 110                      views::GridLayout::USE_PREF, 0, 0);
 111   columns->AddPaddingColumn(0, views::kUnrelatedControlHorizontalSpacing);
 112   columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL, 1,
 113                      views::GridLayout::USE_PREF, 0, 0);
 114
 115   // Optional second row: [pad][pad][radio 1].
 116   columns = layout->AddColumnSet(1);
 117   columns->AddPaddingColumn(0, icon_size.width());
 118   columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
 119   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 1,
 120                      views::GridLayout::USE_PREF, 0, 0);
 121
 122   // Third row: [pad][pad][radio 2].
 123   columns = layout->AddColumnSet(2);
 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
 129   // Fourth row: [pad][pad][button][pad][button].
 130   columns = layout->AddColumnSet(3);
 131   columns->AddPaddingColumn(0, icon_size.width());
 132   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 0,
 133                      views::GridLayout::USE_PREF, 0, 0);
 134   columns->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
 135   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 0,
 136                      views::GridLayout::USE_PREF, 0, 0);
 137
 138   // Fifth row: [pad][pad][link].
 139   columns = layout->AddColumnSet(4);
 140   columns->AddPaddingColumn(0, icon_size.width());
 141   columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
 142   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 1,
 143                      views::GridLayout::USE_PREF, 0, 0);
 144
 145   // Optional fourth row: [button].
 146   columns = layout->AddColumnSet(5);
 147   columns->AddColumn(views::GridLayout::CENTER, views::GridLayout::FILL, 1,
 148                      views::GridLayout::USE_PREF, 0, 0);
 149
 150   // Optional fourth row: [divider]
 151   columns = layout->AddColumnSet(6);
 152   columns->AddColumn(views::GridLayout::CENTER, views::GridLayout::FILL, 1,
 153                      views::GridLayout::USE_PREF, 0, 0);
 154
 155   // Optional fifth row [checkbox][pad][button]
 156   columns = layout->AddColumnSet(7);
 157   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 0,
 158                      views::GridLayout::USE_PREF, 0, 0);
 159   columns->AddPaddingColumn(0, views::kUnrelatedControlHorizontalSpacing);
 160   columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL, 1,
 161                      views::GridLayout::USE_PREF, 0, 0);
 162
 163   // First row.
 164   layout->StartRow(0, 0);
 165   layout->AddView(icon);
 166
 167   // Find out what experiment we are conducting.
 168   installer::ExperimentDetails experiment;
 169   if (!BrowserDistribution::GetDistribution()->HasUserExperiments() ||
 170       !installer::CreateExperimentDetails(flavor_, &experiment) ||
 171       !experiment.heading) {
 172     NOTREACHED() << "Cannot determine which headline to show.";
 173     return DIALOG_ERROR;
 174   }
 175   views::Label* label = new views::Label(
 176       l10n_util::GetStringUTF16(experiment.heading),
 177       rb.GetFontList(ui::ResourceBundle::MediumFont));
 178   label->SetMultiLine(true);
 179   label->SizeToFit(200);
 180   label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 181   layout->AddView(label);
 182   // The close button is custom.
 183   views::ImageButton* close_button = new views::ImageButton(this);
 184   close_button->SetImage(views::CustomButton::STATE_NORMAL,
 185                          rb.GetNativeImageNamed(IDR_CLOSE_2).ToImageSkia());
 186   close_button->SetImage(views::CustomButton::STATE_HOVERED,
 187                          rb.GetNativeImageNamed(IDR_CLOSE_2_H).ToImageSkia());
 188   close_button->SetImage(views::CustomButton::STATE_PRESSED,
 189                          rb.GetNativeImageNamed(IDR_CLOSE_2_P).ToImageSkia());
 190   close_button->set_tag(BT_CLOSE_BUTTON);
 191   layout->AddView(close_button);
 192
 193   // Second row.
 194   layout->StartRowWithPadding(0, 1, 0, 10);
 195   try_chrome_ = new views::RadioButton(
 196       l10n_util::GetStringUTF16(IDS_TRY_TOAST_TRY_OPT), kRadioGroupID);
 197   try_chrome_->SetChecked(true);
 198   try_chrome_->set_tag(BT_TRY_IT_RADIO);
 199   try_chrome_->set_listener(this);
 200   layout->AddView(try_chrome_);
 201
 202   // Decide if the don't bug me is a button or a radio button.
 203   bool dont_bug_me_button =
 204       !!(experiment.flags & installer::kToastUiDontBugMeAsButton);
 205
 206   // Optional third and fourth row.
 207   if (!dont_bug_me_button) {
 208     layout->StartRow(0, 1);
 209     dont_try_chrome_ = new views::RadioButton(
 210         l10n_util::GetStringUTF16(IDS_TRY_TOAST_CANCEL), kRadioGroupID);
 211     dont_try_chrome_->set_tag(BT_DONT_BUG_RADIO);
 212     dont_try_chrome_->set_listener(this);
 213     layout->AddView(dont_try_chrome_);
 214   }
 215   if (experiment.flags & installer::kToastUiUninstall) {
 216     layout->StartRow(0, 2);
 217     kill_chrome_ = new views::RadioButton(
 218         l10n_util::GetStringUTF16(IDS_UNINSTALL_CHROME), kRadioGroupID);
 219     layout->AddView(kill_chrome_);
 220   }
 221
 222   views::LabelButton* accept_button = new views::LabelButton(
 223       this, l10n_util::GetStringUTF16(IDS_OK));
 224   accept_button->SetStyle(views::Button::STYLE_BUTTON);
 225   accept_button->set_tag(BT_OK_BUTTON);
 226
 227   views::Separator* separator = NULL;
 228   if (experiment.flags & installer::kToastUiMakeDefault) {
 229     // In this flavor we have some veritical space, then a separator line
 230     // and the 'make default' checkbox and the OK button on the same row.
 231     layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
 232     layout->StartRow(0, 6);
 233     separator = new views::Separator(views::Separator::HORIZONTAL);
 234     layout->AddView(separator);
 235     layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
 236
 237     layout->StartRow(0, 7);
 238     make_default_ = new views::Checkbox(
 239         l10n_util::GetStringUTF16(IDS_TRY_TOAST_SET_DEFAULT));
 240     make_default_->SetChecked(true);
 241     layout->AddView(make_default_);
 242     layout->AddView(accept_button);
 243   } else {
 244     // On this other flavor there is no checkbox, the OK button and possibly
 245     // the cancel button are in the same row.
 246     layout->StartRowWithPadding(0, dont_bug_me_button ? 3 : 5, 0, 10);
 247     layout->AddView(accept_button);
 248     if (dont_bug_me_button) {
 249       // The dialog needs a "Don't bug me" as a button or as a radio button,
 250       // this the button case.
 251       views::LabelButton* cancel_button = new views::LabelButton(
 252           this, l10n_util::GetStringUTF16(IDS_TRY_TOAST_CANCEL));
 253       cancel_button->SetStyle(views::Button::STYLE_BUTTON);
 254       cancel_button->set_tag(BT_CLOSE_BUTTON);
 255       layout->AddView(cancel_button);
 256     }
 257   }
 258
 259   if (experiment.flags & installer::kToastUiWhyLink) {
 260     layout->StartRowWithPadding(0, 4, 0, 10);
 261     views::Link* link = new views::Link(
 262         l10n_util::GetStringUTF16(IDS_TRY_TOAST_WHY));
 263     link->set_listener(this);
 264     layout->AddView(link);
 265   }
 266
 267   // We resize the window according to the layout manager. This takes into
 268   // account the differences between XP and Vista fonts and buttons.
 269   layout->Layout(root_view);
 270   gfx::Size preferred = layout->GetPreferredSize(root_view);
 271   if (separator) {
 272     int separator_height = separator->GetPreferredSize().height();
 273     separator->SetSize(gfx::Size(preferred.width(), separator_height));
 274   }
 275
 276   gfx::Rect pos = ComputeWindowPosition(preferred.width(), preferred.height(),
 277                                         base::i18n::IsRTL());
 278   popup_->SetBounds(pos);
 279
 280   // Carve the toast shape into the window.
 281   HWND toast_window;
 282   toast_window = popup_->GetNativeView()->GetHost()->GetAcceleratedWidget();
 283   SetToastRegion(toast_window, preferred.width(), preferred.height());
 284
 285   // Time to show the window in a modal loop.
 286   popup_->Show();
 287   if (!listener.is_null())
 288     listener.Run(popup_->GetNativeView());
 289   base::MessageLoop::current()->Run();
 290   if (!listener.is_null())
 291     listener.Run(NULL);
 292   return result_;
 293 }
 294
 295 gfx::Rect TryChromeDialogView::ComputeWindowPosition(int width,
 296                                                      int height,
 297                                                      bool is_RTL) {
 298   // The 'Shell_TrayWnd' is the taskbar. We like to show our window in that
 299   // monitor if we can. This code works even if such window is not found.
 300   HWND taskbar = ::FindWindowW(L"Shell_TrayWnd", NULL);
 301   HMONITOR monitor = ::MonitorFromWindow(taskbar, MONITOR_DEFAULTTOPRIMARY);
 302   MONITORINFO info = {sizeof(info)};
 303   if (!GetMonitorInfoW(monitor, &info)) {
 304     // Quite unexpected. Do a best guess at a visible rectangle.
 305     return gfx::Rect(20, 20, width + 20, height + 20);
 306   }
 307   // The |rcWork| is the work area. It should account for the taskbars that
 308   // are in the screen when we called the function.
 309   int left = is_RTL ? info.rcWork.left : info.rcWork.right - width;
 310   int top = info.rcWork.bottom - height;
 311   return gfx::Rect(left, top, width, height);
 312 }
 313
 314 void TryChromeDialogView::SetToastRegion(HWND window, int w, int h) {
 315   static const POINT polygon[] = {
 316     {0,   4}, {1,   2}, {2,   1}, {4, 0},   // Left side.
 317     {w-4, 0}, {w-2, 1}, {w-1, 2}, {w, 4},   // Right side.
 318     {w, h}, {0, h}
 319   };
 320   HRGN region = ::CreatePolygonRgn(polygon, arraysize(polygon), WINDING);
 321   ::SetWindowRgn(window, region, FALSE);
 322 }
 323
 324 void TryChromeDialogView::ButtonPressed(views::Button* sender,
 325                                         const ui::Event& event) {
 326   if (sender->tag() == BT_DONT_BUG_RADIO) {
 327     if (make_default_) {
 328       make_default_->SetChecked(false);
 329       make_default_->SetVisible(false);
 330     }
 331     return;
 332   } else if (sender->tag() == BT_TRY_IT_RADIO) {
 333     if (make_default_) {
 334       make_default_->SetVisible(true);
 335       make_default_->SetChecked(true);
 336     }
 337     return;
 338   } else if (sender->tag() == BT_CLOSE_BUTTON) {
 339     // The user pressed cancel or the [x] button.
 340     result_ = NOT_NOW;
 341   } else if (!try_chrome_) {
 342     // We don't have radio buttons, the user pressed ok.
 343     result_ = TRY_CHROME;
 344   } else {
 345     // The outcome is according to the selected radio button.
 346     if (try_chrome_->checked())
 347       result_ = TRY_CHROME;
 348     else if (dont_try_chrome_ && dont_try_chrome_->checked())
 349       result_ = NOT_NOW;
 350     else if (kill_chrome_ && kill_chrome_->checked())
 351       result_ = UNINSTALL_CHROME;
 352     else
 353       NOTREACHED() << "Unknown radio button selected";
 354   }
 355
 356   if (make_default_) {
 357     if ((result_ == TRY_CHROME) && make_default_->checked())
 358         result_ = TRY_CHROME_AS_DEFAULT;
 359   }
 360
 361   popup_->Close();
 362   base::MessageLoop::current()->Quit();
 363 }
 364
 365 void TryChromeDialogView::LinkClicked(views::Link* source, int event_flags) {
 366   ::ShellExecuteW(NULL, L"open", kHelpCenterUrl, NULL, NULL, SW_SHOW);
 367 }