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