src/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/base/l10n/l10n_util.h"
  20 #include "ui/base/resource/resource_bundle.h"
  21 #include "ui/gfx/image/image.h"
  22 #include "ui/views/controls/button/checkbox.h"
  23 #include "ui/views/controls/button/image_button.h"
  24 #include "ui/views/controls/button/label_button.h"
  25 #include "ui/views/controls/button/radio_button.h"
  26 #include "ui/views/controls/image_view.h"
  27 #include "ui/views/controls/link.h"
  28 #include "ui/views/controls/separator.h"
  29 #include "ui/views/layout/grid_layout.h"
  30 #include "ui/views/layout/layout_constants.h"
  31 #include "ui/views/widget/widget.h"
  32
  33 #if defined(USE_AURA)
  34 #include "ui/aura/root_window.h"
  35 #include "ui/aura/window.h"
  36 #endif
  37
  38 namespace {
  39
  40 const wchar_t kHelpCenterUrl[] =
  41     L"https://www.google.com/support/chrome/bin/answer.py?answer=150752";
  42
  43 enum ButtonTags {
  44   BT_NONE,
  45   BT_CLOSE_BUTTON,
  46   BT_OK_BUTTON,
  47   BT_TRY_IT_RADIO,
  48   BT_DONT_BUG_RADIO
  49 };
  50
  51 const int kRadioGroupID = 1;
  52
  53 }  // namespace
  54
  55 // static
  56 TryChromeDialogView::Result TryChromeDialogView::Show(
  57     size_t flavor,
  58     const ActiveModalDialogListener& listener) {
  59   if (flavor > 10000) {
  60     // This is a test value. We want to make sure we exercise
  61     // returning this early. See TryChromeDialogBrowserTest test.
  62     return NOT_NOW;
  63   }
  64   TryChromeDialogView dialog(flavor);
  65   return dialog.ShowModal(listener);
  66 }
  67
  68 TryChromeDialogView::TryChromeDialogView(size_t flavor)
  69     : flavor_(flavor),
  70       popup_(NULL),
  71       try_chrome_(NULL),
  72       kill_chrome_(NULL),
  73       dont_try_chrome_(NULL),
  74       make_default_(NULL),
  75       result_(COUNT)  {
  76 }
  77
  78 TryChromeDialogView::~TryChromeDialogView() {
  79 }
  80
  81 TryChromeDialogView::Result TryChromeDialogView::ShowModal(
  82     const ActiveModalDialogListener& listener) {
  83   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
  84
  85   views::ImageView* icon = new views::ImageView();
  86   icon->SetImage(rb.GetNativeImageNamed(IDR_PRODUCT_LOGO_32).ToImageSkia());
  87   gfx::Size icon_size = icon->GetPreferredSize();
  88
  89   // An approximate window size. After Layout() we'll get better bounds.
  90   views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
  91   params.can_activate = true;
  92   params.bounds = gfx::Rect(310, 200);
  93   popup_ = new views::Widget;
  94   popup_->Init(params);
  95
  96   views::View* root_view = popup_->GetRootView();
  97   // The window color is a tiny bit off-white.
  98   root_view->set_background(
  99       views::Background::CreateSolidBackground(0xfc, 0xfc, 0xfc));
 100
 101   views::GridLayout* layout = views::GridLayout::CreatePanel(root_view);
 102   root_view->SetLayoutManager(layout);
 103   views::ColumnSet* columns;
 104
 105   // First row: [icon][pad][text][pad][button].
 106   columns = layout->AddColumnSet(0);
 107   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::LEADING, 0,
 108                      views::GridLayout::FIXED, icon_size.width(),
 109                      icon_size.height());
 110   columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
 111   columns->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL, 1,
 112                      views::GridLayout::USE_PREF, 0, 0);
 113   columns->AddPaddingColumn(0, views::kUnrelatedControlHorizontalSpacing);
 114   columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL, 1,
 115                      views::GridLayout::USE_PREF, 0, 0);
 116
 117   // Optional second row: [pad][pad][radio 1].
 118   columns = layout->AddColumnSet(1);
 119   columns->AddPaddingColumn(0, icon_size.width());
 120   columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
 121   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 1,
 122                      views::GridLayout::USE_PREF, 0, 0);
 123
 124   // Third row: [pad][pad][radio 2].
 125   columns = layout->AddColumnSet(2);
 126   columns->AddPaddingColumn(0, icon_size.width());
 127   columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
 128   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 1,
 129                      views::GridLayout::USE_PREF, 0, 0);
 130
 131   // Fourth row: [pad][pad][button][pad][button].
 132   columns = layout->AddColumnSet(3);
 133   columns->AddPaddingColumn(0, icon_size.width());
 134   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 0,
 135                      views::GridLayout::USE_PREF, 0, 0);
 136   columns->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
 137   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 0,
 138                      views::GridLayout::USE_PREF, 0, 0);
 139
 140   // Fifth row: [pad][pad][link].
 141   columns = layout->AddColumnSet(4);
 142   columns->AddPaddingColumn(0, icon_size.width());
 143   columns->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
 144   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 1,
 145                      views::GridLayout::USE_PREF, 0, 0);
 146
 147   // Optional fourth row: [button].
 148   columns = layout->AddColumnSet(5);
 149   columns->AddColumn(views::GridLayout::CENTER, views::GridLayout::FILL, 1,
 150                      views::GridLayout::USE_PREF, 0, 0);
 151
 152   // Optional fourth row: [divider]
 153   columns = layout->AddColumnSet(6);
 154   columns->AddColumn(views::GridLayout::CENTER, views::GridLayout::FILL, 1,
 155                      views::GridLayout::USE_PREF, 0, 0);
 156
 157   // Optional fifth row [checkbox][pad][button]
 158   columns = layout->AddColumnSet(7);
 159   columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::FILL, 0,
 160                      views::GridLayout::USE_PREF, 0, 0);
 161   columns->AddPaddingColumn(0, views::kUnrelatedControlHorizontalSpacing);
 162   columns->AddColumn(views::GridLayout::TRAILING, views::GridLayout::FILL, 1,
 163                      views::GridLayout::USE_PREF, 0, 0);
 164
 165   // First row.
 166   layout->StartRow(0, 0);
 167   layout->AddView(icon);
 168
 169   // Find out what experiment we are conducting.
 170   installer::ExperimentDetails experiment;
 171   if (!BrowserDistribution::GetDistribution()->HasUserExperiments() ||
 172       !installer::CreateExperimentDetails(flavor_, &experiment) ||
 173       !experiment.heading) {
 174     NOTREACHED() << "Cannot determine which headline to show.";
 175     return DIALOG_ERROR;
 176   }
 177   views::Label* label = new views::Label(
 178       l10n_util::GetStringUTF16(experiment.heading));
 179   label->SetFont(rb.GetFont(ui::ResourceBundle::MediumFont));
 180   label->SetMultiLine(true);
 181   label->SizeToFit(200);
 182   label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 183   layout->AddView(label);
 184   // The close button is custom.
 185   views::ImageButton* close_button = new views::ImageButton(this);
 186   close_button->SetImage(views::CustomButton::STATE_NORMAL,
 187                          rb.GetNativeImageNamed(IDR_CLOSE_2).ToImageSkia());
 188   close_button->SetImage(views::CustomButton::STATE_HOVERED,
 189                          rb.GetNativeImageNamed(IDR_CLOSE_2_H).ToImageSkia());
 190   close_button->SetImage(views::CustomButton::STATE_PRESSED,
 191                          rb.GetNativeImageNamed(IDR_CLOSE_2_P).ToImageSkia());
 192   close_button->set_tag(BT_CLOSE_BUTTON);
 193   layout->AddView(close_button);
 194
 195   // Second row.
 196   layout->StartRowWithPadding(0, 1, 0, 10);
 197   try_chrome_ = new views::RadioButton(
 198       l10n_util::GetStringUTF16(IDS_TRY_TOAST_TRY_OPT), kRadioGroupID);
 199   try_chrome_->SetChecked(true);
 200   try_chrome_->set_tag(BT_TRY_IT_RADIO);
 201   try_chrome_->set_listener(this);
 202   layout->AddView(try_chrome_);
 203
 204   // Decide if the don't bug me is a button or a radio button.
 205   bool dont_bug_me_button =
 206       !!(experiment.flags & installer::kToastUiDontBugMeAsButton);
 207
 208   // Optional third and fourth row.
 209   if (!dont_bug_me_button) {
 210     layout->StartRow(0, 1);
 211     dont_try_chrome_ = new views::RadioButton(
 212         l10n_util::GetStringUTF16(IDS_TRY_TOAST_CANCEL), kRadioGroupID);
 213     dont_try_chrome_->set_tag(BT_DONT_BUG_RADIO);
 214     dont_try_chrome_->set_listener(this);
 215     layout->AddView(dont_try_chrome_);
 216   }
 217   if (experiment.flags & installer::kToastUiUninstall) {
 218     layout->StartRow(0, 2);
 219     kill_chrome_ = new views::RadioButton(
 220         l10n_util::GetStringUTF16(IDS_UNINSTALL_CHROME), kRadioGroupID);
 221     layout->AddView(kill_chrome_);
 222   }
 223
 224   views::LabelButton* accept_button = new views::LabelButton(
 225       this, l10n_util::GetStringUTF16(IDS_OK));
 226   accept_button->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
 227   accept_button->set_tag(BT_OK_BUTTON);
 228
 229   views::Separator* separator = NULL;
 230   if (experiment.flags & installer::kToastUiMakeDefault) {
 231     // In this flavor we have some veritical space, then a separator line
 232     // and the 'make default' checkbox and the OK button on the same row.
 233     layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
 234     layout->StartRow(0, 6);
 235     separator = new views::Separator(views::Separator::HORIZONTAL);
 236     layout->AddView(separator);
 237     layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
 238
 239     layout->StartRow(0, 7);
 240     make_default_ = new views::Checkbox(
 241         l10n_util::GetStringUTF16(IDS_TRY_TOAST_SET_DEFAULT));
 242     make_default_->SetChecked(true);
 243     layout->AddView(make_default_);
 244     layout->AddView(accept_button);
 245   } else {
 246     // On this other flavor there is no checkbox, the OK button and possibly
 247     // the cancel button are in the same row.
 248     layout->StartRowWithPadding(0, dont_bug_me_button ? 3 : 5, 0, 10);
 249     layout->AddView(accept_button);
 250     if (dont_bug_me_button) {
 251       // The dialog needs a "Don't bug me" as a button or as a radio button,
 252       // this the button case.
 253       views::LabelButton* cancel_button = new views::LabelButton(
 254           this, l10n_util::GetStringUTF16(IDS_TRY_TOAST_CANCEL));
 255       cancel_button->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
 256       cancel_button->set_tag(BT_CLOSE_BUTTON);
 257       layout->AddView(cancel_button);
 258     }
 259   }
 260
 261   if (experiment.flags & installer::kToastUiWhyLink) {
 262     layout->StartRowWithPadding(0, 4, 0, 10);
 263     views::Link* link = new views::Link(
 264         l10n_util::GetStringUTF16(IDS_TRY_TOAST_WHY));
 265     link->set_listener(this);
 266     layout->AddView(link);
 267   }
 268
 269   // We resize the window according to the layout manager. This takes into
 270   // account the differences between XP and Vista fonts and buttons.
 271   layout->Layout(root_view);
 272   gfx::Size preferred = layout->GetPreferredSize(root_view);
 273   if (separator) {
 274     int separator_height = separator->GetPreferredSize().height();
 275     separator->SetSize(gfx::Size(preferred.width(), separator_height));
 276   }
 277
 278   gfx::Rect pos = ComputeWindowPosition(preferred.width(), preferred.height(),
 279                                         base::i18n::IsRTL());
 280   popup_->SetBounds(pos);
 281
 282   // Carve the toast shape into the window.
 283   HWND toast_window;
 284 #if defined(USE_AURA)
 285   toast_window =
 286       popup_->GetNativeView()->GetDispatcher()->GetAcceleratedWidget();
 287 #else
 288   toast_window = popup_->GetNativeView();
 289 #endif
 290   SetToastRegion(toast_window, preferred.width(), preferred.height());
 291
 292   // Time to show the window in a modal loop.
 293   popup_->Show();
 294   if (!listener.is_null())
 295     listener.Run(popup_->GetNativeView());
 296   base::MessageLoop::current()->Run();
 297   if (!listener.is_null())
 298     listener.Run(NULL);
 299   return result_;
 300 }
 301
 302 gfx::Rect TryChromeDialogView::ComputeWindowPosition(int width,
 303                                                      int height,
 304                                                      bool is_RTL) {
 305   // The 'Shell_TrayWnd' is the taskbar. We like to show our window in that
 306   // monitor if we can. This code works even if such window is not found.
 307   HWND taskbar = ::FindWindowW(L"Shell_TrayWnd", NULL);
 308   HMONITOR monitor = ::MonitorFromWindow(taskbar, MONITOR_DEFAULTTOPRIMARY);
 309   MONITORINFO info = {sizeof(info)};
 310   if (!GetMonitorInfoW(monitor, &info)) {
 311     // Quite unexpected. Do a best guess at a visible rectangle.
 312     return gfx::Rect(20, 20, width + 20, height + 20);
 313   }
 314   // The |rcWork| is the work area. It should account for the taskbars that
 315   // are in the screen when we called the function.
 316   int left = is_RTL ? info.rcWork.left : info.rcWork.right - width;
 317   int top = info.rcWork.bottom - height;
 318   return gfx::Rect(left, top, width, height);
 319 }
 320
 321 void TryChromeDialogView::SetToastRegion(HWND window, int w, int h) {
 322   static const POINT polygon[] = {
 323     {0,   4}, {1,   2}, {2,   1}, {4, 0},   // Left side.
 324     {w-4, 0}, {w-2, 1}, {w-1, 2}, {w, 4},   // Right side.
 325     {w, h}, {0, h}
 326   };
 327   HRGN region = ::CreatePolygonRgn(polygon, arraysize(polygon), WINDING);
 328   ::SetWindowRgn(window, region, FALSE);
 329 }
 330
 331 void TryChromeDialogView::ButtonPressed(views::Button* sender,
 332                                         const ui::Event& event) {
 333   if (sender->tag() == BT_DONT_BUG_RADIO) {
 334     if (make_default_) {
 335       make_default_->SetChecked(false);
 336       make_default_->SetVisible(false);
 337     }
 338     return;
 339   } else if (sender->tag() == BT_TRY_IT_RADIO) {
 340     if (make_default_) {
 341       make_default_->SetVisible(true);
 342       make_default_->SetChecked(true);
 343     }
 344     return;
 345   } else if (sender->tag() == BT_CLOSE_BUTTON) {
 346     // The user pressed cancel or the [x] button.
 347     result_ = NOT_NOW;
 348   } else if (!try_chrome_) {
 349     // We don't have radio buttons, the user pressed ok.
 350     result_ = TRY_CHROME;
 351   } else {
 352     // The outcome is according to the selected radio button.
 353     if (try_chrome_->checked())
 354       result_ = TRY_CHROME;
 355     else if (dont_try_chrome_ && dont_try_chrome_->checked())
 356       result_ = NOT_NOW;
 357     else if (kill_chrome_ && kill_chrome_->checked())
 358       result_ = UNINSTALL_CHROME;
 359     else
 360       NOTREACHED() << "Unknown radio button selected";
 361   }
 362
 363   if (make_default_) {
 364     if ((result_ == TRY_CHROME) && make_default_->checked())
 365         result_ = TRY_CHROME_AS_DEFAULT;
 366   }
 367
 368   popup_->Close();
 369   base::MessageLoop::current()->Quit();
 370 }
 371
 372 void TryChromeDialogView::LinkClicked(views::Link* source, int event_flags) {
 373   ::ShellExecuteW(NULL, L"open", kHelpCenterUrl, NULL, NULL, SW_SHOW);
 374 }