src/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_dialogs.h"
  13 #include "chrome/browser/ui/browser_finder.h"
  14 #include "chrome/browser/ui/chrome_web_modal_dialog_manager_delegate.h"
  15 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
  16 #include "chrome/browser/ui/tab_contents/tab_contents_iterator.h"
  17 #include "chrome/browser/ui/views/constrained_window_views.h"
  18 #include "chrome/common/chrome_constants.h"
  19 #include "chrome/common/logging_chrome.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/chromium_strings.h"
  26 #include "grit/generated_resources.h"
  27 #include "grit/theme_resources.h"
  28 #include "ui/aura/window.h"
  29 #include "ui/base/l10n/l10n_util.h"
  30 #include "ui/base/resource/resource_bundle.h"
  31 #include "ui/gfx/canvas.h"
  32 #include "ui/views/controls/button/label_button.h"
  33 #include "ui/views/controls/image_view.h"
  34 #include "ui/views/controls/label.h"
  35 #include "ui/views/layout/grid_layout.h"
  36 #include "ui/views/layout/layout_constants.h"
  37 #include "ui/views/widget/widget.h"
  38 #include "ui/views/window/client_view.h"
  39
  40 #if defined(OS_WIN)
  41 #include "chrome/browser/hang_monitor/hang_crash_dump_win.h"
  42 #include "chrome/browser/profiles/profile.h"
  43 #include "chrome/browser/shell_integration.h"
  44 #include "ui/base/win/shell.h"
  45 #include "ui/views/win/hwnd_util.h"
  46 #endif
  47
  48 #if defined(OS_WIN)
  49 #include "ui/base/win/shell.h"
  50 #endif
  51
  52 using content::WebContents;
  53
  54 HungRendererDialogView* HungRendererDialogView::g_instance_ = NULL;
  55
  56 ///////////////////////////////////////////////////////////////////////////////
  57 // HungPagesTableModel, public:
  58
  59 HungPagesTableModel::HungPagesTableModel(Delegate* delegate)
  60     : observer_(NULL),
  61       delegate_(delegate) {
  62 }
  63
  64 HungPagesTableModel::~HungPagesTableModel() {
  65 }
  66
  67 content::RenderProcessHost* HungPagesTableModel::GetRenderProcessHost() {
  68   return tab_observers_.empty() ? NULL :
  69       tab_observers_[0]->web_contents()->GetRenderProcessHost();
  70 }
  71
  72 content::RenderViewHost* HungPagesTableModel::GetRenderViewHost() {
  73   return tab_observers_.empty() ? NULL :
  74       tab_observers_[0]->web_contents()->GetRenderViewHost();
  75 }
  76
  77 void HungPagesTableModel::InitForWebContents(WebContents* hung_contents) {
  78   tab_observers_.clear();
  79   if (hung_contents) {
  80     // Force hung_contents to be first.
  81     if (hung_contents) {
  82       tab_observers_.push_back(new WebContentsObserverImpl(this,
  83                                                            hung_contents));
  84     }
  85     for (TabContentsIterator it; !it.done(); it.Next()) {
  86       if (*it != hung_contents &&
  87           it->GetRenderProcessHost() == hung_contents->GetRenderProcessHost())
  88         tab_observers_.push_back(new WebContentsObserverImpl(this, *it));
  89     }
  90   }
  91   // The world is different.
  92   if (observer_)
  93     observer_->OnModelChanged();
  94 }
  95
  96 ///////////////////////////////////////////////////////////////////////////////
  97 // HungPagesTableModel, ui::TableModel implementation:
  98
  99 int HungPagesTableModel::RowCount() {
 100   return static_cast<int>(tab_observers_.size());
 101 }
 102
 103 base::string16 HungPagesTableModel::GetText(int row, int column_id) {
 104   DCHECK(row >= 0 && row < RowCount());
 105   base::string16 title = tab_observers_[row]->web_contents()->GetTitle();
 106   if (title.empty())
 107     title = CoreTabHelper::GetDefaultTitle();
 108   // TODO(xji): Consider adding a special case if the title text is a URL,
 109   // since those should always have LTR directionality. Please refer to
 110   // http://crbug.com/6726 for more information.
 111   base::i18n::AdjustStringForLocaleDirection(&title);
 112   return title;
 113 }
 114
 115 gfx::ImageSkia HungPagesTableModel::GetIcon(int row) {
 116   DCHECK(row >= 0 && row < RowCount());
 117   return FaviconTabHelper::FromWebContents(
 118       tab_observers_[row]->web_contents())->GetFavicon().AsImageSkia();
 119 }
 120
 121 void HungPagesTableModel::SetObserver(ui::TableModelObserver* observer) {
 122   observer_ = observer;
 123 }
 124
 125 void HungPagesTableModel::GetGroupRange(int model_index,
 126                                         views::GroupRange* range) {
 127   DCHECK(range);
 128   range->start = 0;
 129   range->length = RowCount();
 130 }
 131
 132 void HungPagesTableModel::TabDestroyed(WebContentsObserverImpl* tab) {
 133   // Clean up tab_observers_ and notify our observer.
 134   TabObservers::iterator i = std::find(
 135       tab_observers_.begin(), tab_observers_.end(), tab);
 136   DCHECK(i != tab_observers_.end());
 137   int index = static_cast<int>(i - tab_observers_.begin());
 138   tab_observers_.erase(i);
 139   if (observer_)
 140     observer_->OnItemsRemoved(index, 1);
 141
 142   // Notify the delegate.
 143   delegate_->TabDestroyed();
 144   // WARNING: we've likely been deleted.
 145 }
 146
 147 HungPagesTableModel::WebContentsObserverImpl::WebContentsObserverImpl(
 148     HungPagesTableModel* model, WebContents* tab)
 149     : content::WebContentsObserver(tab),
 150       model_(model) {
 151 }
 152
 153 void HungPagesTableModel::WebContentsObserverImpl::RenderProcessGone(
 154     base::TerminationStatus status) {
 155   model_->TabDestroyed(this);
 156 }
 157
 158 void HungPagesTableModel::WebContentsObserverImpl::WebContentsDestroyed() {
 159   model_->TabDestroyed(this);
 160 }
 161
 162 ///////////////////////////////////////////////////////////////////////////////
 163 // HungRendererDialogView
 164
 165 // static
 166 gfx::ImageSkia* HungRendererDialogView::frozen_icon_ = NULL;
 167
 168 // The dimensions of the hung pages list table view, in pixels.
 169 static const int kTableViewWidth = 300;
 170 static const int kTableViewHeight = 100;
 171
 172 // Padding space in pixels between frozen icon to the info label, hung pages
 173 // list table view and the Kill pages button.
 174 static const int kCentralColumnPadding =
 175     views::kUnrelatedControlLargeHorizontalSpacing;
 176
 177 ///////////////////////////////////////////////////////////////////////////////
 178 // HungRendererDialogView, public:
 179
 180 // static
 181 HungRendererDialogView* HungRendererDialogView::Create(
 182     gfx::NativeView context) {
 183   if (!g_instance_) {
 184     g_instance_ = new HungRendererDialogView;
 185     views::DialogDelegate::CreateDialogWidget(g_instance_, context, NULL);
 186   }
 187   return g_instance_;
 188 }
 189
 190 // static
 191 HungRendererDialogView* HungRendererDialogView::GetInstance() {
 192   return g_instance_;
 193 }
 194
 195 // static
 196 bool HungRendererDialogView::IsFrameActive(WebContents* contents) {
 197   gfx::NativeView frame_view =
 198       platform_util::GetTopLevel(contents->GetNativeView());
 199   return platform_util::IsWindowActive(frame_view);
 200 }
 201
 202 // static
 203 void HungRendererDialogView::KillRendererProcess(
 204     base::ProcessHandle process_handle) {
 205 #if defined(OS_WIN)
 206   // Try to generate a crash report for the hung process.
 207   CrashDumpAndTerminateHungChildProcess(process_handle);
 208 #else
 209   base::KillProcess(process_handle, content::RESULT_CODE_HUNG, false);
 210 #endif
 211 }
 212
 213
 214 HungRendererDialogView::HungRendererDialogView()
 215     : hung_pages_table_(NULL),
 216       kill_button_(NULL),
 217       initialized_(false) {
 218   InitClass();
 219 }
 220
 221 HungRendererDialogView::~HungRendererDialogView() {
 222   hung_pages_table_->SetModel(NULL);
 223 }
 224
 225 void HungRendererDialogView::ShowForWebContents(WebContents* contents) {
 226   DCHECK(contents && GetWidget());
 227
 228   // Don't show the warning unless the foreground window is the frame, or this
 229   // window (but still invisible). If the user has another window or
 230   // application selected, activating ourselves is rude.
 231   if (!IsFrameActive(contents) &&
 232       !platform_util::IsWindowActive(GetWidget()->GetNativeWindow()))
 233     return;
 234
 235   if (!GetWidget()->IsActive()) {
 236     // Place the dialog over content's browser window, similar to modal dialogs.
 237     Browser* browser = chrome::FindBrowserWithWebContents(contents);
 238     if (browser) {
 239       ChromeWebModalDialogManagerDelegate* manager = browser;
 240       UpdateBrowserModalDialogPosition(
 241           GetWidget(), manager->GetWebContentsModalDialogHost());
 242     }
 243
 244     gfx::NativeView frame_view =
 245         platform_util::GetTopLevel(contents->GetNativeView());
 246     views::Widget* insert_after =
 247         views::Widget::GetWidgetForNativeView(frame_view);
 248     if (insert_after)
 249       GetWidget()->StackAboveWidget(insert_after);
 250
 251 #if defined(OS_WIN)
 252     // Group the hung renderer dialog with the browsers with the same profile.
 253     Profile* profile =
 254         Profile::FromBrowserContext(contents->GetBrowserContext());
 255     ui::win::SetAppIdForWindow(
 256         ShellIntegration::GetChromiumModelIdForProfile(profile->GetPath()),
 257         views::HWNDForWidget(GetWidget()));
 258 #endif
 259
 260     // We only do this if the window isn't active (i.e. hasn't been shown yet,
 261     // or is currently shown but deactivated for another WebContents). This is
 262     // because this window is a singleton, and it's possible another active
 263     // renderer may hang while this one is showing, and we don't want to reset
 264     // the list of hung pages for a potentially unrelated renderer while this
 265     // one is showing.
 266     hung_pages_table_model_->InitForWebContents(contents);
 267     GetWidget()->Show();
 268   }
 269 }
 270
 271 void HungRendererDialogView::EndForWebContents(WebContents* contents) {
 272   DCHECK(contents);
 273   if (hung_pages_table_model_->RowCount() == 0 ||
 274       hung_pages_table_model_->GetRenderProcessHost() ==
 275       contents->GetRenderProcessHost()) {
 276     GetWidget()->Close();
 277     // Close is async, make sure we drop our references to the tab immediately
 278     // (it may be going away).
 279     hung_pages_table_model_->InitForWebContents(NULL);
 280   }
 281 }
 282
 283 ///////////////////////////////////////////////////////////////////////////////
 284 // HungRendererDialogView, views::DialogDelegate implementation:
 285
 286 base::string16 HungRendererDialogView::GetWindowTitle() const {
 287   return l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_TITLE);
 288 }
 289
 290 void HungRendererDialogView::WindowClosing() {
 291   // We are going to be deleted soon, so make sure our instance is destroyed.
 292   g_instance_ = NULL;
 293 }
 294
 295 int HungRendererDialogView::GetDialogButtons() const {
 296   // We specifically don't want a CANCEL button here because that code path is
 297   // also called when the window is closed by the user clicking the X button in
 298   // the window's titlebar, and also if we call Window::Close. Rather, we want
 299   // the OK button to wait for responsiveness (and close the dialog) and our
 300   // additional button (which we create) to kill the process (which will result
 301   // in the dialog being destroyed).
 302   return ui::DIALOG_BUTTON_OK;
 303 }
 304
 305 base::string16 HungRendererDialogView::GetDialogButtonLabel(
 306     ui::DialogButton button) const {
 307   if (button == ui::DIALOG_BUTTON_OK)
 308     return l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_WAIT);
 309   return views::DialogDelegateView::GetDialogButtonLabel(button);
 310 }
 311
 312 views::View* HungRendererDialogView::CreateExtraView() {
 313   DCHECK(!kill_button_);
 314   kill_button_ = new views::LabelButton(this,
 315       l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_END));
 316   kill_button_->SetStyle(views::Button::STYLE_BUTTON);
 317   return kill_button_;
 318 }
 319
 320 bool HungRendererDialogView::Accept(bool window_closing) {
 321   // Don't do anything if we're being called only because the dialog is being
 322   // destroyed and we don't supply a Cancel function...
 323   if (window_closing)
 324     return true;
 325
 326   // Start waiting again for responsiveness.
 327   if (hung_pages_table_model_->GetRenderViewHost())
 328     hung_pages_table_model_->GetRenderViewHost()->RestartHangMonitorTimeout();
 329   return true;
 330 }
 331
 332
 333 bool HungRendererDialogView::UseNewStyleForThisDialog() const {
 334 #if defined(OS_WIN)
 335   // Use the old dialog style without Aero glass, otherwise the dialog will be
 336   // visually constrained to browser window bounds. See http://crbug.com/323278
 337   return ui::win::IsAeroGlassEnabled();
 338 #else
 339   return views::DialogDelegateView::UseNewStyleForThisDialog();
 340 #endif
 341 }
 342
 343 ///////////////////////////////////////////////////////////////////////////////
 344 // HungRendererDialogView, views::ButtonListener implementation:
 345
 346 void HungRendererDialogView::ButtonPressed(
 347     views::Button* sender, const ui::Event& event) {
 348   if (sender == kill_button_ &&
 349       hung_pages_table_model_->GetRenderProcessHost()) {
 350
 351     base::ProcessHandle process_handle =
 352         hung_pages_table_model_->GetRenderProcessHost()->GetHandle();
 353
 354     KillRendererProcess(process_handle);
 355   }
 356 }
 357
 358 ///////////////////////////////////////////////////////////////////////////////
 359 // HungRendererDialogView, HungPagesTableModel::Delegate overrides:
 360
 361 void HungRendererDialogView::TabDestroyed() {
 362   GetWidget()->Close();
 363 }
 364
 365 ///////////////////////////////////////////////////////////////////////////////
 366 // HungRendererDialogView, views::View overrides:
 367
 368 void HungRendererDialogView::ViewHierarchyChanged(
 369     const ViewHierarchyChangedDetails& details) {
 370   if (!initialized_ && details.is_add && details.child == this && GetWidget())
 371     Init();
 372 }
 373
 374 ///////////////////////////////////////////////////////////////////////////////
 375 // HungRendererDialogView, private:
 376
 377 void HungRendererDialogView::Init() {
 378   views::ImageView* frozen_icon_view = new views::ImageView;
 379   frozen_icon_view->SetImage(frozen_icon_);
 380
 381   views::Label* info_label = new views::Label(
 382       l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER));
 383   info_label->SetMultiLine(true);
 384   info_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 385
 386   hung_pages_table_model_.reset(new HungPagesTableModel(this));
 387   std::vector<ui::TableColumn> columns;
 388   columns.push_back(ui::TableColumn());
 389   hung_pages_table_ = new views::TableView(
 390       hung_pages_table_model_.get(), columns, views::ICON_AND_TEXT, true);
 391   hung_pages_table_->SetGrouper(hung_pages_table_model_.get());
 392
 393   using views::GridLayout;
 394   using views::ColumnSet;
 395
 396   GridLayout* layout = GridLayout::CreatePanel(this);
 397   SetLayoutManager(layout);
 398
 399   const int double_column_set_id = 0;
 400   ColumnSet* column_set = layout->AddColumnSet(double_column_set_id);
 401   column_set->AddColumn(GridLayout::LEADING, GridLayout::LEADING, 0,
 402                         GridLayout::FIXED, frozen_icon_->width(), 0);
 403   column_set->AddPaddingColumn(0, kCentralColumnPadding);
 404   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
 405                         GridLayout::USE_PREF, 0, 0);
 406
 407   layout->StartRow(0, double_column_set_id);
 408   layout->AddView(frozen_icon_view, 1, 3);
 409   // Add the label with a preferred width of 1, this way it doesn't effect the
 410   // overall preferred size of the dialog.
 411   layout->AddView(
 412       info_label, 1, 1, GridLayout::FILL, GridLayout::LEADING, 1, 0);
 413
 414   layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
 415
 416   layout->StartRow(0, double_column_set_id);
 417   layout->SkipColumns(1);
 418   layout->AddView(hung_pages_table_->CreateParentIfNecessary(), 1, 1,
 419                   views::GridLayout::FILL,
 420                   views::GridLayout::FILL, kTableViewWidth, kTableViewHeight);
 421
 422   initialized_ = true;
 423 }
 424
 425 // static
 426 void HungRendererDialogView::InitClass() {
 427   static bool initialized = false;
 428   if (!initialized) {
 429     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
 430     frozen_icon_ = rb.GetImageSkiaNamed(IDR_FROZEN_TAB_ICON);
 431     initialized = true;
 432   }
 433 }
 434
 435 namespace chrome {
 436
 437 void ShowHungRendererDialog(WebContents* contents) {
 438   if (logging::DialogsAreSuppressed())
 439     return;
 440
 441   gfx::NativeView toplevel_view =
 442       platform_util::GetTopLevel(contents->GetNativeView());
 443   // Don't show the dialog if there is no root window for the renderer, because
 444   // it's invisible to the user (happens when the renderer is for prerendering
 445   // for example).
 446   if (!toplevel_view->GetRootWindow())
 447     return;
 448   HungRendererDialogView* view = HungRendererDialogView::Create(toplevel_view);
 449   view->ShowForWebContents(contents);
 450 }
 451
 452 void HideHungRendererDialog(WebContents* contents) {
 453   if (!logging::DialogsAreSuppressed() && HungRendererDialogView::GetInstance())
 454     HungRendererDialogView::GetInstance()->EndForWebContents(contents);
 455 }
 456
 457 }  // namespace chrome