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| 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/browser_dialogs.h" | |
| 6 | |
| 7 #include <gtk/gtk.h> | |
| 8 | |
| 9 #include "base/strings/utf_string_conversions.h" | |
| 10 #include "chrome/browser/favicon/favicon_tab_helper.h" | |
| 11 #include "chrome/browser/ui/gtk/gtk_util.h" | |
| 12 #include "chrome/browser/ui/tab_contents/core_tab_helper.h" | |
| 13 #include "chrome/browser/ui/tab_contents/tab_contents_iterator.h" | |
| 14 #include "chrome/common/logging_chrome.h" | |
| 15 #include "content/public/browser/render_process_host.h" | |
| 16 #include "content/public/browser/render_view_host.h" | |
| 17 #include "content/public/browser/web_contents.h" | |
| 18 #include "content/public/common/result_codes.h" | |
| 19 #include "grit/chromium_strings.h" | |
| 20 #include "grit/generated_resources.h" | |
| 21 #include "grit/theme_resources.h" | |
| 22 #include "third_party/skia/include/core/SkBitmap.h" | |
| 23 #include "ui/base/gtk/gtk_hig_constants.h" | |
| 24 #include "ui/base/gtk/gtk_signal.h" | |
| 25 #include "ui/base/l10n/l10n_util.h" | |
| 26 #include "ui/base/resource/resource_bundle.h" | |
| 27 #include "ui/gfx/gtk_util.h" | |
| 28 #include "ui/gfx/image/image.h" | |
| 29 | |
| 30 using content::WebContents; | |
| 31 | |
| 32 namespace { | |
| 33 | |
| 34 // A wrapper class that represents the Gtk dialog. | |
| 35 class HungRendererDialogGtk { | |
| 36 public: | |
| 37 HungRendererDialogGtk(); | |
| 38 ~HungRendererDialogGtk() {} | |
| 39 void ShowForWebContents(WebContents* hung_contents); | |
| 40 void Hide(); | |
| 41 void EndForWebContents(WebContents* hung_contents); | |
| 42 | |
| 43 private: | |
| 44 // Dismiss the panel if |contents_| is closed or its renderer exits. | |
| 45 class WebContentsObserverImpl : public content::WebContentsObserver { | |
| 46 public: | |
| 47 WebContentsObserverImpl(HungRendererDialogGtk* dialog, | |
| 48 WebContents* contents) | |
| 49 : content::WebContentsObserver(contents), | |
| 50 dialog_(dialog) { | |
| 51 } | |
| 52 | |
| 53 // content::WebContentsObserver overrides: | |
| 54 virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE { | |
| 55 dialog_->Hide(); | |
| 56 } | |
| 57 virtual void WebContentsDestroyed(WebContents* tab) OVERRIDE { | |
| 58 dialog_->Hide(); | |
| 59 } | |
| 60 | |
| 61 private: | |
| 62 HungRendererDialogGtk* dialog_; // weak | |
| 63 | |
| 64 DISALLOW_COPY_AND_ASSIGN(WebContentsObserverImpl); | |
| 65 }; | |
| 66 | |
| 67 // The GtkTreeView column ids. | |
| 68 enum { | |
| 69 COL_FAVICON, | |
| 70 COL_TITLE, | |
| 71 COL_COUNT, | |
| 72 }; | |
| 73 | |
| 74 // Create the gtk dialog and add the widgets. | |
| 75 void Init(); | |
| 76 | |
| 77 CHROMEGTK_CALLBACK_1(HungRendererDialogGtk, void, OnResponse, int); | |
| 78 | |
| 79 GtkDialog* dialog_; | |
| 80 GtkListStore* model_; | |
| 81 WebContents* contents_; | |
| 82 scoped_ptr<WebContentsObserverImpl> contents_observer_; | |
| 83 | |
| 84 DISALLOW_COPY_AND_ASSIGN(HungRendererDialogGtk); | |
| 85 }; | |
| 86 | |
| 87 // We only support showing one of these at a time per app. | |
| 88 HungRendererDialogGtk* g_instance = NULL; | |
| 89 | |
| 90 // The response ID for the "Kill pages" button. Anything positive should be | |
| 91 // fine (the built in GtkResponseTypes are negative numbers). | |
| 92 const int kKillPagesButtonResponse = 1; | |
| 93 | |
| 94 HungRendererDialogGtk::HungRendererDialogGtk() | |
| 95 : dialog_(NULL), model_(NULL), contents_(NULL) { | |
| 96 Init(); | |
| 97 } | |
| 98 | |
| 99 void HungRendererDialogGtk::Init() { | |
| 100 dialog_ = GTK_DIALOG(gtk_dialog_new_with_buttons( | |
| 101 l10n_util::GetStringUTF8(IDS_BROWSER_HANGMONITOR_RENDERER_TITLE).c_str(), | |
| 102 NULL, // No parent because tabs can span multiple windows. | |
| 103 GTK_DIALOG_NO_SEPARATOR, | |
| 104 l10n_util::GetStringUTF8(IDS_BROWSER_HANGMONITOR_RENDERER_END).c_str(), | |
| 105 kKillPagesButtonResponse, | |
| 106 l10n_util::GetStringUTF8(IDS_BROWSER_HANGMONITOR_RENDERER_WAIT).c_str(), | |
| 107 GTK_RESPONSE_OK, | |
| 108 NULL)); | |
| 109 gtk_dialog_set_default_response(dialog_, GTK_RESPONSE_OK); | |
| 110 g_signal_connect(dialog_, "delete-event", | |
| 111 G_CALLBACK(gtk_widget_hide_on_delete), NULL); | |
| 112 g_signal_connect(dialog_, "response", G_CALLBACK(OnResponseThunk), this); | |
| 113 | |
| 114 // We have an hbox with the frozen icon on the left. On the right, | |
| 115 // we have a vbox with the unresponsive text on top and a table of | |
| 116 // tabs on bottom. | |
| 117 // ·-----------------------------------· | |
| 118 // |·---------------------------------·| | |
| 119 // ||·----·|·------------------------·|| | |
| 120 // |||icon||| ||| | |
| 121 // ||·----·|| The folowing page(s).. ||| | |
| 122 // || || ||| | |
| 123 // || ||------------------------||| | |
| 124 // || || table of tabs ||| | |
| 125 // || |·------------------------·|| | |
| 126 // |·---------------------------------·| | |
| 127 // | | | |
| 128 // | kill button wait button| | |
| 129 // ·-----------------------------------· | |
| 130 GtkWidget* content_area = gtk_dialog_get_content_area(dialog_); | |
| 131 gtk_box_set_spacing(GTK_BOX(content_area), ui::kContentAreaSpacing); | |
| 132 | |
| 133 GtkWidget* hbox = gtk_hbox_new(FALSE, 12); | |
| 134 gtk_box_pack_start(GTK_BOX(content_area), hbox, TRUE, TRUE, 0); | |
| 135 | |
| 136 // Wrap the icon in a vbox so it stays top aligned. | |
| 137 GtkWidget* icon_vbox = gtk_vbox_new(FALSE, 0); | |
| 138 gtk_box_pack_start(GTK_BOX(hbox), icon_vbox, FALSE, FALSE, 0); | |
| 139 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); | |
| 140 GdkPixbuf* icon_pixbuf = rb.GetNativeImageNamed( | |
| 141 IDR_FROZEN_TAB_ICON).ToGdkPixbuf(); | |
| 142 GtkWidget* icon = gtk_image_new_from_pixbuf(icon_pixbuf); | |
| 143 gtk_box_pack_start(GTK_BOX(icon_vbox), icon, FALSE, FALSE, 0); | |
| 144 | |
| 145 GtkWidget* vbox = gtk_vbox_new(FALSE, ui::kControlSpacing); | |
| 146 gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0); | |
| 147 | |
| 148 GtkWidget* text = gtk_label_new( | |
| 149 l10n_util::GetStringUTF8(IDS_BROWSER_HANGMONITOR_RENDERER).c_str()); | |
| 150 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE); | |
| 151 gtk_box_pack_start(GTK_BOX(vbox), text, FALSE, FALSE, 0); | |
| 152 | |
| 153 GtkWidget* scroll_list = gtk_scrolled_window_new(NULL, NULL); | |
| 154 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_list), | |
| 155 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); | |
| 156 gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scroll_list), | |
| 157 GTK_SHADOW_ETCHED_IN); | |
| 158 gtk_box_pack_start(GTK_BOX(vbox), scroll_list, TRUE, TRUE, 0); | |
| 159 | |
| 160 // The list of hung tabs is GtkTreeView with a GtkListStore as the model. | |
| 161 model_ = gtk_list_store_new(COL_COUNT, GDK_TYPE_PIXBUF, G_TYPE_STRING); | |
| 162 GtkWidget* tree_view = gtk_tree_view_new_with_model( | |
| 163 GTK_TREE_MODEL(model_)); | |
| 164 g_object_unref(model_); | |
| 165 gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(tree_view), FALSE); | |
| 166 GtkTreeViewColumn* column = gtk_tree_view_column_new(); | |
| 167 GtkCellRenderer* renderer = gtk_cell_renderer_pixbuf_new(); | |
| 168 gtk_tree_view_column_pack_start(column, renderer, FALSE); | |
| 169 gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", COL_FAVICON); | |
| 170 renderer = gtk_cell_renderer_text_new(); | |
| 171 gtk_tree_view_column_pack_start(column, renderer, TRUE); | |
| 172 gtk_tree_view_column_add_attribute(column, renderer, "text", COL_TITLE); | |
| 173 | |
| 174 gtk_tree_view_append_column(GTK_TREE_VIEW(tree_view), column); | |
| 175 gtk_container_add(GTK_CONTAINER(scroll_list), tree_view); | |
| 176 } | |
| 177 | |
| 178 void HungRendererDialogGtk::ShowForWebContents(WebContents* hung_contents) { | |
| 179 DCHECK(hung_contents && dialog_); | |
| 180 contents_ = hung_contents; | |
| 181 contents_observer_.reset(new WebContentsObserverImpl(this, contents_)); | |
| 182 gtk_list_store_clear(model_); | |
| 183 | |
| 184 GtkTreeIter tree_iter; | |
| 185 for (TabContentsIterator it; !it.done(); it.Next()) { | |
| 186 if (it->GetRenderProcessHost() == hung_contents->GetRenderProcessHost()) { | |
| 187 gtk_list_store_append(model_, &tree_iter); | |
| 188 std::string title = base::UTF16ToUTF8(it->GetTitle()); | |
| 189 if (title.empty()) | |
| 190 title = base::UTF16ToUTF8(CoreTabHelper::GetDefaultTitle()); | |
| 191 FaviconTabHelper* favicon_tab_helper = | |
| 192 FaviconTabHelper::FromWebContents(*it); | |
| 193 SkBitmap favicon = favicon_tab_helper->GetFavicon().AsBitmap(); | |
| 194 | |
| 195 GdkPixbuf* pixbuf = NULL; | |
| 196 if (favicon.width() > 0) | |
| 197 pixbuf = gfx::GdkPixbufFromSkBitmap(favicon); | |
| 198 gtk_list_store_set(model_, &tree_iter, | |
| 199 COL_FAVICON, pixbuf, | |
| 200 COL_TITLE, title.c_str(), | |
| 201 -1); | |
| 202 if (pixbuf) | |
| 203 g_object_unref(pixbuf); | |
| 204 } | |
| 205 } | |
| 206 gtk_util::ShowDialog(GTK_WIDGET(dialog_)); | |
| 207 } | |
| 208 | |
| 209 void HungRendererDialogGtk::Hide() { | |
| 210 gtk_widget_hide(GTK_WIDGET(dialog_)); | |
| 211 // Since we're closing, we no longer need this WebContents. | |
| 212 contents_observer_.reset(); | |
| 213 contents_ = NULL; | |
| 214 } | |
| 215 | |
| 216 void HungRendererDialogGtk::EndForWebContents(WebContents* contents) { | |
| 217 DCHECK(contents); | |
| 218 if (contents_ && contents_->GetRenderProcessHost() == | |
| 219 contents->GetRenderProcessHost()) { | |
| 220 Hide(); | |
| 221 } | |
| 222 } | |
| 223 | |
| 224 // When the user clicks a button on the dialog or closes the dialog, this | |
| 225 // callback is called. | |
| 226 void HungRendererDialogGtk::OnResponse(GtkWidget* dialog, int response_id) { | |
| 227 DCHECK(g_instance == this); | |
| 228 switch (response_id) { | |
| 229 case kKillPagesButtonResponse: | |
| 230 // Kill the process. | |
| 231 if (contents_ && contents_->GetRenderProcessHost()) { | |
| 232 base::KillProcess(contents_->GetRenderProcessHost()->GetHandle(), | |
| 233 content::RESULT_CODE_HUNG, false); | |
| 234 } | |
| 235 break; | |
| 236 | |
| 237 case GTK_RESPONSE_OK: | |
| 238 case GTK_RESPONSE_DELETE_EVENT: | |
| 239 // Start waiting again for responsiveness. | |
| 240 if (contents_ && contents_->GetRenderViewHost()) | |
| 241 contents_->GetRenderViewHost()->RestartHangMonitorTimeout(); | |
| 242 break; | |
| 243 default: | |
| 244 NOTREACHED(); | |
| 245 } | |
| 246 | |
| 247 gtk_widget_destroy(GTK_WIDGET(dialog_)); | |
| 248 delete g_instance; | |
| 249 g_instance = NULL; | |
| 250 } | |
| 251 | |
| 252 } // namespace | |
| 253 | |
| 254 namespace chrome { | |
| 255 | |
| 256 void ShowHungRendererDialog(WebContents* contents) { | |
| 257 if (!logging::DialogsAreSuppressed()) { | |
| 258 if (!g_instance) | |
| 259 g_instance = new HungRendererDialogGtk(); | |
| 260 g_instance->ShowForWebContents(contents); | |
| 261 } | |
| 262 } | |
| 263 | |
| 264 void HideHungRendererDialog(WebContents* contents) { | |
| 265 if (!logging::DialogsAreSuppressed() && g_instance) | |
| 266 g_instance->EndForWebContents(contents); | |
| 267 } | |
| 268 | |
| 269 } // namespace chrome | |
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Chromium Code Reviews
Issue 231733005:
Delete the GTK+ port of Chrome. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src