chrome/browser/ui/views/hung_renderer_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/ui/views/hung_renderer_view.h"
   6
   7 #include "base/i18n/rtl.h"
   8 #include "base/memory/scoped_vector.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/browser/favicon/favicon_tab_helper.h"
  11 #include "chrome/browser/platform_util.h"
  12 #include "chrome/browser/ui/browser_finder.h"
  13 #include "chrome/browser/ui/chrome_web_modal_dialog_manager_delegate.h"
  14 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
  15 #include "chrome/browser/ui/tab_contents/tab_contents_iterator.h"
  16 #include "chrome/common/chrome_constants.h"
  17 #include "chrome/common/logging_chrome.h"
  18 #include "chrome/grit/generated_resources.h"
  19 #include "components/constrained_window/constrained_window_views.h"
  20 #include "components/web_modal/web_contents_modal_dialog_host.h"
  21 #include "content/public/browser/render_process_host.h"
  22 #include "content/public/browser/render_view_host.h"
  23 #include "content/public/browser/web_contents.h"
  24 #include "content/public/common/result_codes.h"
  25 #include "grit/theme_resources.h"
  26 #include "ui/aura/window.h"
  27 #include "ui/base/l10n/l10n_util.h"
  28 #include "ui/base/resource/resource_bundle.h"
  29 #include "ui/gfx/canvas.h"
  30 #include "ui/views/controls/button/label_button.h"
  31 #include "ui/views/controls/image_view.h"
  32 #include "ui/views/controls/label.h"
  33 #include "ui/views/layout/grid_layout.h"
  34 #include "ui/views/layout/layout_constants.h"
  35 #include "ui/views/widget/widget.h"
  36 #include "ui/views/window/client_view.h"
  37
  38 #if defined(OS_WIN)
  39 #include "chrome/browser/hang_monitor/hang_crash_dump_win.h"
  40 #include "chrome/browser/profiles/profile.h"
  41 #include "chrome/browser/shell_integration.h"
  42 #include "ui/base/win/shell.h"
  43 #include "ui/views/win/hwnd_util.h"
  44 #endif
  45
  46 using content::WebContents;
  47
  48 HungRendererDialogView* HungRendererDialogView::g_instance_ = NULL;
  49
  50 ///////////////////////////////////////////////////////////////////////////////
  51 // HungPagesTableModel, public:
  52
  53 HungPagesTableModel::HungPagesTableModel(Delegate* delegate)
  54     : observer_(NULL),
  55       delegate_(delegate) {
  56 }
  57
  58 HungPagesTableModel::~HungPagesTableModel() {
  59 }
  60
  61 content::RenderProcessHost* HungPagesTableModel::GetRenderProcessHost() {
  62   return tab_observers_.empty() ? NULL :
  63       tab_observers_[0]->web_contents()->GetRenderProcessHost();
  64 }
  65
  66 content::RenderViewHost* HungPagesTableModel::GetRenderViewHost() {
  67   return tab_observers_.empty() ? NULL :
  68       tab_observers_[0]->web_contents()->GetRenderViewHost();
  69 }
  70
  71 void HungPagesTableModel::InitForWebContents(WebContents* hung_contents) {
  72   tab_observers_.clear();
  73   if (hung_contents) {
  74     // Force hung_contents to be first.
  75     if (hung_contents) {
  76       tab_observers_.push_back(new WebContentsObserverImpl(this,
  77                                                            hung_contents));
  78     }
  79     for (TabContentsIterator it; !it.done(); it.Next()) {
  80       if (*it != hung_contents &&
  81           it->GetRenderProcessHost() == hung_contents->GetRenderProcessHost())
  82         tab_observers_.push_back(new WebContentsObserverImpl(this, *it));
  83     }
  84   }
  85   // The world is different.
  86   if (observer_)
  87     observer_->OnModelChanged();
  88 }
  89
  90 ///////////////////////////////////////////////////////////////////////////////
  91 // HungPagesTableModel, ui::TableModel implementation:
  92
  93 int HungPagesTableModel::RowCount() {
  94   return static_cast<int>(tab_observers_.size());
  95 }
  96
  97 base::string16 HungPagesTableModel::GetText(int row, int column_id) {
  98   DCHECK(row >= 0 && row < RowCount());
  99   base::string16 title = tab_observers_[row]->web_contents()->GetTitle();
 100   if (title.empty())
 101     title = CoreTabHelper::GetDefaultTitle();
 102   // TODO(xji): Consider adding a special case if the title text is a URL,
 103   // since those should always have LTR directionality. Please refer to
 104   // http://crbug.com/6726 for more information.
 105   base::i18n::AdjustStringForLocaleDirection(&title);
 106   return title;
 107 }
 108
 109 gfx::ImageSkia HungPagesTableModel::GetIcon(int row) {
 110   DCHECK(row >= 0 && row < RowCount());
 111   return FaviconTabHelper::FromWebContents(
 112       tab_observers_[row]->web_contents())->GetFavicon().AsImageSkia();
 113 }
 114
 115 void HungPagesTableModel::SetObserver(ui::TableModelObserver* observer) {
 116   observer_ = observer;
 117 }
 118
 119 void HungPagesTableModel::GetGroupRange(int model_index,
 120                                         views::GroupRange* range) {
 121   DCHECK(range);
 122   range->start = 0;
 123   range->length = RowCount();
 124 }
 125
 126 void HungPagesTableModel::TabDestroyed(WebContentsObserverImpl* tab) {
 127   // Clean up tab_observers_ and notify our observer.
 128   TabObservers::iterator i = std::find(
 129       tab_observers_.begin(), tab_observers_.end(), tab);
 130   DCHECK(i != tab_observers_.end());
 131   int index = static_cast<int>(i - tab_observers_.begin());
 132   tab_observers_.erase(i);
 133   if (observer_)
 134     observer_->OnItemsRemoved(index, 1);
 135
 136   // Notify the delegate.
 137   delegate_->TabDestroyed();
 138   // WARNING: we've likely been deleted.
 139 }
 140
 141 HungPagesTableModel::WebContentsObserverImpl::WebContentsObserverImpl(
 142     HungPagesTableModel* model, WebContents* tab)
 143     : content::WebContentsObserver(tab),
 144       model_(model) {
 145 }
 146
 147 void HungPagesTableModel::WebContentsObserverImpl::RenderProcessGone(
 148     base::TerminationStatus status) {
 149   model_->TabDestroyed(this);
 150 }
 151
 152 void HungPagesTableModel::WebContentsObserverImpl::WebContentsDestroyed() {
 153   model_->TabDestroyed(this);
 154 }
 155
 156 ///////////////////////////////////////////////////////////////////////////////
 157 // HungRendererDialogView
 158
 159 // static
 160 gfx::ImageSkia* HungRendererDialogView::frozen_icon_ = NULL;
 161
 162 // The dimensions of the hung pages list table view, in pixels.
 163 static const int kTableViewWidth = 300;
 164 static const int kTableViewHeight = 100;
 165
 166 // Padding space in pixels between frozen icon to the info label, hung pages
 167 // list table view and the Kill pages button.
 168 static const int kCentralColumnPadding =
 169     views::kUnrelatedControlLargeHorizontalSpacing;
 170
 171 ///////////////////////////////////////////////////////////////////////////////
 172 // HungRendererDialogView, public:
 173
 174 // static
 175 HungRendererDialogView* HungRendererDialogView::Create(
 176     gfx::NativeWindow context) {
 177   if (!g_instance_) {
 178     g_instance_ = new HungRendererDialogView;
 179     views::DialogDelegate::CreateDialogWidget(g_instance_, context, NULL);
 180   }
 181   return g_instance_;
 182 }
 183
 184 // static
 185 HungRendererDialogView* HungRendererDialogView::GetInstance() {
 186   return g_instance_;
 187 }
 188
 189 // static
 190 void HungRendererDialogView::Show(WebContents* contents) {
 191   if (logging::DialogsAreSuppressed())
 192     return;
 193
 194   gfx::NativeWindow window =
 195       platform_util::GetTopLevel(contents->GetNativeView());
 196 #if defined(USE_AURA)
 197   // Don't show the dialog if there is no root window for the renderer, because
 198   // it's invisible to the user (happens when the renderer is for prerendering
 199   // for example).
 200   if (!window->GetRootWindow())
 201     return;
 202 #endif
 203   HungRendererDialogView* view = HungRendererDialogView::Create(window);
 204   view->ShowForWebContents(contents);
 205 }
 206
 207 // static
 208 void HungRendererDialogView::Hide(WebContents* contents) {
 209   if (!logging::DialogsAreSuppressed() && HungRendererDialogView::GetInstance())
 210     HungRendererDialogView::GetInstance()->EndForWebContents(contents);
 211 }
 212
 213 // static
 214 bool HungRendererDialogView::IsFrameActive(WebContents* contents) {
 215   gfx::NativeWindow window =
 216       platform_util::GetTopLevel(contents->GetNativeView());
 217   return platform_util::IsWindowActive(window);
 218 }
 219
 220 // static
 221 void HungRendererDialogView::KillRendererProcess(
 222     content::RenderProcessHost* rph) {
 223 #if defined(OS_WIN)
 224   // Try to generate a crash report for the hung process.
 225   CrashDumpAndTerminateHungChildProcess(rph->GetHandle());
 226 #else
 227   rph->Shutdown(content::RESULT_CODE_HUNG, false);
 228 #endif
 229 }
 230
 231
 232 HungRendererDialogView::HungRendererDialogView()
 233     : hung_pages_table_(NULL),
 234       kill_button_(NULL),
 235       initialized_(false) {
 236   InitClass();
 237 }
 238
 239 HungRendererDialogView::~HungRendererDialogView() {
 240   hung_pages_table_->SetModel(NULL);
 241 }
 242
 243 void HungRendererDialogView::ShowForWebContents(WebContents* contents) {
 244   DCHECK(contents && GetWidget());
 245
 246   // Don't show the warning unless the foreground window is the frame, or this
 247   // window (but still invisible). If the user has another window or
 248   // application selected, activating ourselves is rude.
 249   if (!IsFrameActive(contents) &&
 250       !platform_util::IsWindowActive(GetWidget()->GetNativeWindow()))
 251     return;
 252
 253   if (!GetWidget()->IsActive()) {
 254     // Place the dialog over content's browser window, similar to modal dialogs.
 255     Browser* browser = chrome::FindBrowserWithWebContents(contents);
 256     if (browser) {
 257       ChromeWebModalDialogManagerDelegate* manager = browser;
 258       constrained_window::UpdateWidgetModalDialogPosition(
 259           GetWidget(), manager->GetWebContentsModalDialogHost());
 260     }
 261
 262     gfx::NativeWindow window =
 263         platform_util::GetTopLevel(contents->GetNativeView());
 264     views::Widget* insert_after =
 265         views::Widget::GetWidgetForNativeWindow(window);
 266     if (insert_after)
 267       GetWidget()->StackAboveWidget(insert_after);
 268
 269 #if defined(OS_WIN)
 270     // Group the hung renderer dialog with the browsers with the same profile.
 271     Profile* profile =
 272         Profile::FromBrowserContext(contents->GetBrowserContext());
 273     ui::win::SetAppIdForWindow(
 274         ShellIntegration::GetChromiumModelIdForProfile(profile->GetPath()),
 275         views::HWNDForWidget(GetWidget()));
 276 #endif
 277
 278     // We only do this if the window isn't active (i.e. hasn't been shown yet,
 279     // or is currently shown but deactivated for another WebContents). This is
 280     // because this window is a singleton, and it's possible another active
 281     // renderer may hang while this one is showing, and we don't want to reset
 282     // the list of hung pages for a potentially unrelated renderer while this
 283     // one is showing.
 284     hung_pages_table_model_->InitForWebContents(contents);
 285     GetWidget()->Show();
 286   }
 287 }
 288
 289 void HungRendererDialogView::EndForWebContents(WebContents* contents) {
 290   DCHECK(contents);
 291   if (hung_pages_table_model_->RowCount() == 0 ||
 292       hung_pages_table_model_->GetRenderProcessHost() ==
 293       contents->GetRenderProcessHost()) {
 294     GetWidget()->Close();
 295     // Close is async, make sure we drop our references to the tab immediately
 296     // (it may be going away).
 297     hung_pages_table_model_->InitForWebContents(NULL);
 298   }
 299 }
 300
 301 ///////////////////////////////////////////////////////////////////////////////
 302 // HungRendererDialogView, views::DialogDelegate implementation:
 303
 304 base::string16 HungRendererDialogView::GetWindowTitle() const {
 305   return l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_TITLE);
 306 }
 307
 308 void HungRendererDialogView::WindowClosing() {
 309   // We are going to be deleted soon, so make sure our instance is destroyed.
 310   g_instance_ = NULL;
 311 }
 312
 313 int HungRendererDialogView::GetDialogButtons() const {
 314   // We specifically don't want a CANCEL button here because that code path is
 315   // also called when the window is closed by the user clicking the X button in
 316   // the window's titlebar, and also if we call Window::Close. Rather, we want
 317   // the OK button to wait for responsiveness (and close the dialog) and our
 318   // additional button (which we create) to kill the process (which will result
 319   // in the dialog being destroyed).
 320   return ui::DIALOG_BUTTON_OK;
 321 }
 322
 323 base::string16 HungRendererDialogView::GetDialogButtonLabel(
 324     ui::DialogButton button) const {
 325   if (button == ui::DIALOG_BUTTON_OK)
 326     return l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_WAIT);
 327   return views::DialogDelegateView::GetDialogButtonLabel(button);
 328 }
 329
 330 views::View* HungRendererDialogView::CreateExtraView() {
 331   DCHECK(!kill_button_);
 332   kill_button_ = new views::LabelButton(this,
 333       l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_END));
 334   kill_button_->SetStyle(views::Button::STYLE_BUTTON);
 335   return kill_button_;
 336 }
 337
 338 bool HungRendererDialogView::Accept(bool window_closing) {
 339   // Don't do anything if we're being called only because the dialog is being
 340   // destroyed and we don't supply a Cancel function...
 341   if (window_closing)
 342     return true;
 343
 344   // Start waiting again for responsiveness.
 345   if (hung_pages_table_model_->GetRenderViewHost())
 346     hung_pages_table_model_->GetRenderViewHost()->RestartHangMonitorTimeout();
 347   return true;
 348 }
 349
 350
 351 bool HungRendererDialogView::UseNewStyleForThisDialog() const {
 352 #if defined(OS_WIN)
 353   // Use the old dialog style without Aero glass, otherwise the dialog will be
 354   // visually constrained to browser window bounds. See http://crbug.com/323278
 355   return ui::win::IsAeroGlassEnabled();
 356 #else
 357   return views::DialogDelegateView::UseNewStyleForThisDialog();
 358 #endif
 359 }
 360
 361 ///////////////////////////////////////////////////////////////////////////////
 362 // HungRendererDialogView, views::ButtonListener implementation:
 363
 364 void HungRendererDialogView::ButtonPressed(
 365     views::Button* sender, const ui::Event& event) {
 366   if (sender == kill_button_ &&
 367       hung_pages_table_model_->GetRenderProcessHost()) {
 368     KillRendererProcess(hung_pages_table_model_->GetRenderProcessHost());
 369   }
 370 }
 371
 372 ///////////////////////////////////////////////////////////////////////////////
 373 // HungRendererDialogView, HungPagesTableModel::Delegate overrides:
 374
 375 void HungRendererDialogView::TabDestroyed() {
 376   GetWidget()->Close();
 377 }
 378
 379 ///////////////////////////////////////////////////////////////////////////////
 380 // HungRendererDialogView, views::View overrides:
 381
 382 void HungRendererDialogView::ViewHierarchyChanged(
 383     const ViewHierarchyChangedDetails& details) {
 384   views::DialogDelegateView::ViewHierarchyChanged(details);
 385   if (!initialized_ && details.is_add && details.child == this && GetWidget())
 386     Init();
 387 }
 388
 389 ///////////////////////////////////////////////////////////////////////////////
 390 // HungRendererDialogView, private:
 391
 392 void HungRendererDialogView::Init() {
 393   views::ImageView* frozen_icon_view = new views::ImageView;
 394   frozen_icon_view->SetImage(frozen_icon_);
 395
 396   views::Label* info_label = new views::Label(
 397       l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER));
 398   info_label->SetMultiLine(true);
 399   info_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 400
 401   hung_pages_table_model_.reset(new HungPagesTableModel(this));
 402   std::vector<ui::TableColumn> columns;
 403   columns.push_back(ui::TableColumn());
 404   hung_pages_table_ = new views::TableView(
 405       hung_pages_table_model_.get(), columns, views::ICON_AND_TEXT, true);
 406   hung_pages_table_->SetGrouper(hung_pages_table_model_.get());
 407
 408   using views::GridLayout;
 409   using views::ColumnSet;
 410
 411   GridLayout* layout = GridLayout::CreatePanel(this);
 412   SetLayoutManager(layout);
 413
 414   const int double_column_set_id = 0;
 415   ColumnSet* column_set = layout->AddColumnSet(double_column_set_id);
 416   column_set->AddColumn(GridLayout::LEADING, GridLayout::LEADING, 0,
 417                         GridLayout::FIXED, frozen_icon_->width(), 0);
 418   column_set->AddPaddingColumn(0, kCentralColumnPadding);
 419   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
 420                         GridLayout::USE_PREF, 0, 0);
 421
 422   layout->StartRow(0, double_column_set_id);
 423   layout->AddView(frozen_icon_view, 1, 3);
 424   // Add the label with a preferred width of 1, this way it doesn't effect the
 425   // overall preferred size of the dialog.
 426   layout->AddView(
 427       info_label, 1, 1, GridLayout::FILL, GridLayout::LEADING, 1, 0);
 428
 429   layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
 430
 431   layout->StartRow(0, double_column_set_id);
 432   layout->SkipColumns(1);
 433   layout->AddView(hung_pages_table_->CreateParentIfNecessary(), 1, 1,
 434                   views::GridLayout::FILL,
 435                   views::GridLayout::FILL, kTableViewWidth, kTableViewHeight);
 436
 437   initialized_ = true;
 438 }
 439
 440 // static
 441 void HungRendererDialogView::InitClass() {
 442   static bool initialized = false;
 443   if (!initialized) {
 444     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
 445     frozen_icon_ = rb.GetImageSkiaNamed(IDR_FROZEN_TAB_ICON);
 446     initialized = true;
 447   }
 448 }