Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 475 insertions, 0 deletions

diff --git a/chrome/browser/views/hung_renderer_view.cc b/chrome/browser/views/hung_renderer_view.cc
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+++ b/chrome/browser/views/hung_renderer_view.cc
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "chrome/browser/views/hung_renderer_view.h"
+
+#include "chrome/app/theme/theme_resources.h"
+#include "chrome/browser/browser_list.h"
+#include "chrome/browser/render_view_host.h"
+#include "chrome/browser/standard_layout.h"
+#include "chrome/browser/tab_contents.h"
+#include "chrome/common/chrome_constants.h"
+#include "chrome/common/gfx/chrome_canvas.h"
+#include "chrome/common/gfx/path.h"
+#include "chrome/common/logging_chrome.h"
+#include "chrome/common/resource_bundle.h"
+#include "chrome/views/client_view.h"
+#include "chrome/views/custom_frame_window.h"
+#include "chrome/views/dialog_delegate.h"
+#include "chrome/views/grid_layout.h"
+#include "chrome/views/group_table_view.h"
+#include "chrome/views/image_view.h"
+#include "chrome/views/native_button.h"
+#include "generated_resources.h"
+
+///////////////////////////////////////////////////////////////////////////////
+// HungPagesTableModel
+
+class HungPagesTableModel : public ChromeViews::GroupTableModel {
+ public:
+  HungPagesTableModel();
+  virtual ~HungPagesTableModel();
+
+  void InitForWebContents(WebContents* hung_contents);
+
+  // Overridden from ChromeViews::GroupTableModel:
+  virtual int RowCount();
+  virtual std::wstring GetText(int row, int column_id);
+  virtual SkBitmap GetIcon(int row);
+  virtual void SetObserver(ChromeViews::TableModelObserver* observer);
+  virtual void GetGroupRangeForItem(int item, ChromeViews::GroupRange* range);
+
+ private:
+  typedef std::vector<WebContents*> WebContentsVector;
+  WebContentsVector webcontentses_;
+
+  ChromeViews::TableModelObserver* observer_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(HungPagesTableModel);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+// HungPagesTableModel, public:
+
+HungPagesTableModel::HungPagesTableModel() : observer_(NULL) {
+}
+
+HungPagesTableModel::~HungPagesTableModel() {
+}
+
+void HungPagesTableModel::InitForWebContents(WebContents* hung_contents) {
+  webcontentses_.clear();
+  for (WebContentsIterator it; !it.done(); ++it) {
+    if (it->process() == hung_contents->process())
+      webcontentses_.push_back(*it);
+  }
+  // The world is different.
+  if (observer_)
+    observer_->OnModelChanged();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// HungPagesTableModel, ChromeViews::GroupTableModel implementation:
+
+int HungPagesTableModel::RowCount() {
+  return static_cast<int>(webcontentses_.size());
+}
+
+std::wstring HungPagesTableModel::GetText(int row, int column_id) {
+  DCHECK(row >= 0 && row < RowCount());
+  std::wstring title = webcontentses_.at(row)->GetTitle();
+  if (title.empty())
+    title = l10n_util::GetString(IDS_TAB_UNTITLED_TITLE);
+  return title;
+}
+
+SkBitmap HungPagesTableModel::GetIcon(int row) {
+  DCHECK(row >= 0 && row < RowCount());
+  return webcontentses_.at(row)->GetFavIcon();
+}
+
+void HungPagesTableModel::SetObserver(
+    ChromeViews::TableModelObserver* observer) {
+  observer_ = observer;
+}
+
+void HungPagesTableModel::GetGroupRangeForItem(
+    int item,
+    ChromeViews::GroupRange* range) {
+  DCHECK(range);
+  range->start = 0;
+  range->length = RowCount();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// HungRendererWarningView
+
+class HungRendererWarningView : public ChromeViews::View,
+                                public ChromeViews::DialogDelegate,
+                                public ChromeViews::NativeButton::Listener {
+ public:
+  HungRendererWarningView();
+  ~HungRendererWarningView();
+
+  void ShowForWebContents(WebContents* contents);
+  void EndForWebContents(WebContents* contents);
+
+  void set_window(ChromeViews::Window* window) { window_ = window; }
+
+  // ChromeViews::WindowDelegate overrides:
+  virtual std::wstring GetWindowTitle() const;
+  virtual void WindowClosing();
+  virtual int GetDialogButtons() const;
+  virtual std::wstring GetDialogButtonLabel(
+      ChromeViews::DialogDelegate::DialogButton button) const;
+  virtual ChromeViews::View* GetExtraView();
+  virtual bool Accept(bool window_closing);
+
+  // ChromeViews::NativeButton::Listener overrides:
+  virtual void ButtonPressed(ChromeViews::NativeButton* sender);
+
+ protected:
+  // ChromeViews::View overrides:
+  virtual void ViewHierarchyChanged(bool is_add,
+                                    ChromeViews::View* parent,
+                                    ChromeViews::View* child);
+
+ private:
+  // Initialize the controls in this dialog.
+  void Init();
+  void CreateKillButtonView();
+
+  // Returns the bounds the dialog should be displayed at to be meaningfully
+  // associated with the specified WebContents.
+  gfx::Rect GetDisplayBounds(WebContents* contents);
+
+  static void InitClass();
+
+  // Controls within the dialog box.
+  ChromeViews::ImageView* frozen_icon_view_;
+  ChromeViews::Label* info_label_;
+  ChromeViews::GroupTableView* hung_pages_table_;
+
+  // The button we insert into the ClientView to kill the errant process. This
+  // is parented to a container view that uses a grid layout to align it
+  // properly.
+  ChromeViews::NativeButton* kill_button_;
+  class ButtonContainer : public ChromeViews::View {
+   public:
+    ButtonContainer() {}
+    virtual ~ButtonContainer() {}
+
+    virtual void DidChangeBounds(const CRect& previous, const CRect& current) {
+      Layout();
+    }
+   private:
+    DISALLOW_EVIL_CONSTRUCTORS(ButtonContainer);
+  };
+  ButtonContainer* kill_button_container_;
+
+  // The Window that contains this view.
+  ChromeViews::Window* window_;
+
+  // The model that provides the contents of the table that shows a list of
+  // pages affected by the hang.
+  scoped_ptr<HungPagesTableModel> hung_pages_table_model_;
+
+  // The WebContents that we detected had hung in the first place resulting in
+  // the display of this view.
+  WebContents* contents_;
+
+  // Whether or not we've created controls for ourself.
+  bool initialized_;
+
+  // An amusing icon image.
+  static SkBitmap* frozen_icon_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(HungRendererWarningView);
+};
+
+// static
+SkBitmap* HungRendererWarningView::frozen_icon_ = NULL;
+
+// The distance in pixels from the top of the relevant contents to place the
+// warning window.
+static const int kOverlayContentsOffsetY = 50;
+
+// The dimensions of the hung pages list table view, in pixels.
+static const int kTableViewWidth = 300;
+static const int kTableViewHeight = 100;
+
+///////////////////////////////////////////////////////////////////////////////
+// HungRendererWarningView, public:
+
+HungRendererWarningView::HungRendererWarningView()
+    : frozen_icon_view_(NULL),
+      info_label_(NULL),
+      hung_pages_table_(NULL),
+      kill_button_(NULL),
+      kill_button_container_(NULL),
+      window_(NULL),
+      contents_(NULL),
+      initialized_(false) {
+  InitClass();
+}
+
+HungRendererWarningView::~HungRendererWarningView() {
+  hung_pages_table_->SetModel(NULL);
+}
+
+void HungRendererWarningView::ShowForWebContents(WebContents* contents) {
+  DCHECK(contents && window_);
+  contents_ = contents;
+
+  // Don't show the warning unless the foreground window is the frame, or this
+  // window (but still invisible). If the user has another window or
+  // application selected, activating ourselves is rude.
+  HWND frame_hwnd = GetAncestor(contents->GetContainerHWND(), GA_ROOT);
+  HWND foreground_window = GetForegroundWindow();
+  if (foreground_window != frame_hwnd &&
+      foreground_window != window_->GetHWND()) {
+    return;
+  }
+
+  if (!window_->IsActive()) {
+    gfx::Rect bounds = GetDisplayBounds(contents);
+    window_->SetBounds(bounds, frame_hwnd);
+
+    // We only do this if the window isn't active (i.e. hasn't been shown yet,
+    // or is currently shown but deactivated for another WebContents). This is
+    // because this window is a singleton, and it's possible another active
+    // renderer may hang while this one is showing, and we don't want to reset
+    // the list of hung pages for a potentially unrelated renderer while this
+    // one is showing.
+    hung_pages_table_model_->InitForWebContents(contents);
+    window_->Show();
+  }
+}
+
+void HungRendererWarningView::EndForWebContents(WebContents* contents) {
+  DCHECK(contents);
+  if (contents_ && contents_->process() == contents->process()) {
+    window_->Close();
+    // Since we're closing, we no longer need this WebContents.
+    contents_ = NULL;
+  }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// HungRendererWarningView, ChromeViews::DialogDelegate implementation:
+
+std::wstring HungRendererWarningView::GetWindowTitle() const {
+  return l10n_util::GetString(IDS_PRODUCT_NAME);
+}
+
+void HungRendererWarningView::WindowClosing() {
+  // We are going to be deleted soon, so make sure our instance is destroyed.
+  HungRendererWarning::instance_ = NULL;
+}
+
+int HungRendererWarningView::GetDialogButtons() const {
+  // We specifically don't want a CANCEL button here because that code path is
+  // also called when the window is closed by the user clicking the X button in
+  // the window's titlebar, and also if we call Window::Close. Rather, we want
+  // the OK button to wait for responsiveness (and close the dialog) and our
+  // additional button (which we create) to kill the process (which will result
+  // in the dialog being destroyed).
+  return DIALOGBUTTON_OK;
+}
+
+std::wstring HungRendererWarningView::GetDialogButtonLabel(
+    ChromeViews::DialogDelegate::DialogButton button) const {
+  if (button == DIALOGBUTTON_OK)
+    return l10n_util::GetString(IDS_BROWSER_HANGMONITOR_RENDERER_WAIT);
+  return std::wstring();
+}
+
+ChromeViews::View* HungRendererWarningView::GetExtraView() {
+  return kill_button_container_;
+}
+
+bool HungRendererWarningView::Accept(bool window_closing) {
+  // Don't do anything if we're being called only because the dialog is being
+  // destroyed and we don't supply a Cancel function...
+  if (window_closing)
+    return true;
+
+  // Start waiting again for responsiveness.
+  if (contents_ && contents_->render_view_host())
+    contents_->render_view_host()->ResetHangMonitorTimeout();
+  return true;
+}
+
+void HungRendererWarningView::ButtonPressed(
+    ChromeViews::NativeButton* sender) {
+  if (sender == kill_button_) {
+    // Kill the process.
+    HANDLE process = contents_->process()->process();
+    TerminateProcess(process, 0);
+  }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// HungRendererWarningView, ChromeViews::View overrides:
+
+void HungRendererWarningView::ViewHierarchyChanged(bool is_add,
+                                                   ChromeViews::View* parent,
+                                                   ChromeViews::View* child) {
+  if (!initialized_ && is_add && child == this && GetViewContainer())
+    Init();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// HungRendererWarningView, private:
+
+void HungRendererWarningView::Init() {
+  frozen_icon_view_ = new ChromeViews::ImageView;
+  frozen_icon_view_->SetImage(frozen_icon_);
+
+  info_label_ = new ChromeViews::Label(
+      l10n_util::GetString(IDS_BROWSER_HANGMONITOR_RENDERER));
+  info_label_->SetMultiLine(true);
+  info_label_->SetHorizontalAlignment(ChromeViews::Label::ALIGN_LEFT);
+
+  hung_pages_table_model_.reset(new HungPagesTableModel);
+  std::vector<ChromeViews::TableColumn> columns;
+  columns.push_back(ChromeViews::TableColumn());
+  hung_pages_table_ = new ChromeViews::GroupTableView(
+      hung_pages_table_model_.get(), columns, ChromeViews::ICON_AND_TEXT, true,
+      false, true);
+  hung_pages_table_->SetPreferredSize(
+      CSize(kTableViewWidth, kTableViewHeight));
+
+  CreateKillButtonView();
+
+  using ChromeViews::GridLayout;
+  using ChromeViews::ColumnSet;
+
+  GridLayout* layout = CreatePanelGridLayout(this);
+  SetLayoutManager(layout);
+
+  const int double_column_set_id = 0;
+  ColumnSet* column_set = layout->AddColumnSet(double_column_set_id);
+  column_set->AddColumn(GridLayout::LEADING, GridLayout::LEADING, 0,
+                        GridLayout::FIXED, frozen_icon_->width(), 0);
+  column_set->AddPaddingColumn(0, kUnrelatedControlLargeHorizontalSpacing);
+  column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
+                        GridLayout::USE_PREF, 0, 0);
+
+  layout->StartRow(0, double_column_set_id);
+  layout->AddView(frozen_icon_view_, 1, 3);
+  layout->AddView(info_label_);
+
+  layout->AddPaddingRow(0, kUnrelatedControlVerticalSpacing);
+
+  layout->StartRow(0, double_column_set_id);
+  layout->SkipColumns(1);
+  layout->AddView(hung_pages_table_);
+
+  initialized_ = true;
+}
+
+void HungRendererWarningView::CreateKillButtonView() {
+  kill_button_ = new ChromeViews::NativeButton(
+      l10n_util::GetString(IDS_BROWSER_HANGMONITOR_RENDERER_END));
+  kill_button_->SetListener(this);
+
+  kill_button_container_ = new ButtonContainer;
+
+  using ChromeViews::GridLayout;
+  using ChromeViews::ColumnSet;
+
+  GridLayout* layout = new GridLayout(kill_button_container_);
+  kill_button_container_->SetLayoutManager(layout);
+
+  const int single_column_set_id = 0;
+  ColumnSet* column_set = layout->AddColumnSet(single_column_set_id);
+  column_set->AddPaddingColumn(0, frozen_icon_->width() +
+      kPanelHorizMargin + kUnrelatedControlHorizontalSpacing);
+  column_set->AddColumn(GridLayout::LEADING, GridLayout::LEADING, 0,
+                        GridLayout::USE_PREF, 0, 0);
+
+  layout->StartRow(0, single_column_set_id);
+  layout->AddView(kill_button_);
+}
+
+gfx::Rect HungRendererWarningView::GetDisplayBounds(
+    WebContents* contents) {
+  HWND contents_hwnd = contents->GetContainerHWND();
+  CRect contents_bounds;
+  GetWindowRect(contents_hwnd, &contents_bounds);
+
+  CRect window_bounds;
+  window_->GetBounds(&window_bounds, true);
+
+  int window_x = contents_bounds.left +
+      (contents_bounds.Width() - window_bounds.Width()) / 2;
+  int window_y = contents_bounds.top + kOverlayContentsOffsetY;
+  return gfx::Rect(window_x, window_y, window_bounds.Width(),
+                   window_bounds.Height());
+}
+
+// static
+void HungRendererWarningView::InitClass() {
+  static bool initialized = false;
+  if (!initialized) {
+    ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+    frozen_icon_ = rb.GetBitmapNamed(IDR_FROZEN_TAB_ICON);
+    initialized = true;
+  }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// HungRendererWarning
+
+// static
+HungRendererWarningView* HungRendererWarning::instance_ = NULL;
+
+static HungRendererWarningView* CreateHungRendererWarningView() {
+  HungRendererWarningView* cv = new HungRendererWarningView;
+  ChromeViews::Window* window =
+      ChromeViews::Window::CreateChromeWindow(NULL, gfx::Rect(), cv, cv);
+  cv->set_window(window);
+  return cv;
+}
+
+// static
+void HungRendererWarning::ShowForWebContents(WebContents* contents) {
+  if (!logging::DialogsAreSuppressed()) {
+    if (!instance_)
+      instance_ = CreateHungRendererWarningView();
+    instance_->ShowForWebContents(contents);
+  }
+}
+
+// static
+void HungRendererWarning::HideForWebContents(WebContents* contents) {
+  if (!logging::DialogsAreSuppressed() && instance_)
+    instance_->EndForWebContents(contents);
+}