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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/gtk/bookmarks/bookmark_menu_controller_gtk.h" | |
| 6 | |
| 7 #include <gtk/gtk.h> | |
| 8 | |
| 9 #include "base/strings/string_util.h" | |
| 10 #include "base/strings/utf_string_conversions.h" | |
| 11 #include "chrome/browser/bookmarks/bookmark_model.h" | |
| 12 #include "chrome/browser/bookmarks/bookmark_model_factory.h" | |
| 13 #include "chrome/browser/bookmarks/bookmark_stats.h" | |
| 14 #include "chrome/browser/bookmarks/bookmark_utils.h" | |
| 15 #include "chrome/browser/profiles/profile.h" | |
| 16 #include "chrome/browser/ui/bookmarks/bookmark_utils.h" | |
| 17 #include "chrome/browser/ui/browser.h" | |
| 18 #include "chrome/browser/ui/gtk/bookmarks/bookmark_utils_gtk.h" | |
| 19 #include "chrome/browser/ui/gtk/event_utils.h" | |
| 20 #include "chrome/browser/ui/gtk/gtk_chrome_button.h" | |
| 21 #include "chrome/browser/ui/gtk/gtk_theme_service.h" | |
| 22 #include "chrome/browser/ui/gtk/gtk_util.h" | |
| 23 #include "chrome/browser/ui/gtk/menu_gtk.h" | |
| 24 #include "content/public/browser/page_navigator.h" | |
| 25 #include "grit/generated_resources.h" | |
| 26 #include "grit/theme_resources.h" | |
| 27 #include "grit/ui_resources.h" | |
| 28 #include "ui/base/dragdrop/gtk_dnd_util.h" | |
| 29 #include "ui/base/l10n/l10n_util.h" | |
| 30 #include "ui/base/window_open_disposition.h" | |
| 31 #include "ui/gfx/gtk_util.h" | |
| 32 | |
| 33 using content::OpenURLParams; | |
| 34 using content::PageNavigator; | |
| 35 | |
| 36 namespace { | |
| 37 | |
| 38 void SetImageMenuItem(GtkWidget* menu_item, | |
| 39 const BookmarkNode* node, | |
| 40 BookmarkModel* model) { | |
| 41 GdkPixbuf* pixbuf = GetPixbufForNode(node, model, true); | |
| 42 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(menu_item), | |
| 43 gtk_image_new_from_pixbuf(pixbuf)); | |
| 44 g_object_unref(pixbuf); | |
| 45 } | |
| 46 | |
| 47 const BookmarkNode* GetNodeFromMenuItem(GtkWidget* menu_item) { | |
| 48 return static_cast<const BookmarkNode*>( | |
| 49 g_object_get_data(G_OBJECT(menu_item), "bookmark-node")); | |
| 50 } | |
| 51 | |
| 52 const BookmarkNode* GetParentNodeFromEmptyMenu(GtkWidget* menu) { | |
| 53 return static_cast<const BookmarkNode*>( | |
| 54 g_object_get_data(G_OBJECT(menu), "parent-node")); | |
| 55 } | |
| 56 | |
| 57 void* AsVoid(const BookmarkNode* node) { | |
| 58 return const_cast<BookmarkNode*>(node); | |
| 59 } | |
| 60 | |
| 61 // The context menu has been dismissed, restore the X and application grabs | |
| 62 // to whichever menu last had them. (Assuming that menu is still showing.) | |
| 63 void OnContextMenuHide(GtkWidget* context_menu, GtkWidget* grab_menu) { | |
| 64 gtk_util::GrabAllInput(grab_menu); | |
| 65 | |
| 66 // Match the ref we took when connecting this signal. | |
| 67 g_object_unref(grab_menu); | |
| 68 } | |
| 69 | |
| 70 } // namespace | |
| 71 | |
| 72 BookmarkMenuController::BookmarkMenuController(Browser* browser, | |
| 73 PageNavigator* navigator, | |
| 74 GtkWindow* window, | |
| 75 const BookmarkNode* node, | |
| 76 int start_child_index) | |
| 77 : browser_(browser), | |
| 78 page_navigator_(navigator), | |
| 79 parent_window_(window), | |
| 80 model_(BookmarkModelFactory::GetForProfile(browser->profile())), | |
| 81 node_(node), | |
| 82 drag_icon_(NULL), | |
| 83 ignore_button_release_(false), | |
| 84 triggering_widget_(NULL) { | |
| 85 menu_ = gtk_menu_new(); | |
| 86 g_object_ref_sink(menu_); | |
| 87 BuildMenu(node, start_child_index, menu_); | |
| 88 signals_.Connect(menu_, "hide", G_CALLBACK(OnMenuHiddenThunk), this); | |
| 89 gtk_widget_show_all(menu_); | |
| 90 } | |
| 91 | |
| 92 BookmarkMenuController::~BookmarkMenuController() { | |
| 93 model_->RemoveObserver(this); | |
| 94 // Make sure the hide handler runs. | |
| 95 gtk_widget_hide(menu_); | |
| 96 gtk_widget_destroy(menu_); | |
| 97 g_object_unref(menu_); | |
| 98 } | |
| 99 | |
| 100 void BookmarkMenuController::Popup(GtkWidget* widget, gint button_type, | |
| 101 guint32 timestamp) { | |
| 102 model_->AddObserver(this); | |
| 103 | |
| 104 triggering_widget_ = widget; | |
| 105 signals_.Connect(triggering_widget_, "destroy", | |
| 106 G_CALLBACK(gtk_widget_destroyed), &triggering_widget_); | |
| 107 gtk_chrome_button_set_paint_state(GTK_CHROME_BUTTON(widget), | |
| 108 GTK_STATE_ACTIVE); | |
| 109 gtk_menu_popup(GTK_MENU(menu_), NULL, NULL, | |
| 110 &MenuGtk::WidgetMenuPositionFunc, | |
| 111 widget, button_type, timestamp); | |
| 112 } | |
| 113 | |
| 114 void BookmarkMenuController::BookmarkModelChanged() { | |
| 115 gtk_menu_popdown(GTK_MENU(menu_)); | |
| 116 } | |
| 117 | |
| 118 void BookmarkMenuController::BookmarkNodeFaviconChanged( | |
| 119 BookmarkModel* model, const BookmarkNode* node) { | |
| 120 std::map<const BookmarkNode*, GtkWidget*>::iterator it = | |
| 121 node_to_menu_widget_map_.find(node); | |
| 122 if (it != node_to_menu_widget_map_.end()) | |
| 123 SetImageMenuItem(it->second, node, model); | |
| 124 } | |
| 125 | |
| 126 void BookmarkMenuController::WillExecuteCommand( | |
| 127 int command_id, | |
| 128 const std::vector<const BookmarkNode*>& bookmarks) { | |
| 129 gtk_menu_popdown(GTK_MENU(menu_)); | |
| 130 } | |
| 131 | |
| 132 void BookmarkMenuController::CloseMenu() { | |
| 133 context_menu_->Cancel(); | |
| 134 } | |
| 135 | |
| 136 void BookmarkMenuController::NavigateToMenuItem( | |
| 137 GtkWidget* menu_item, | |
| 138 WindowOpenDisposition disposition) { | |
| 139 const BookmarkNode* node = GetNodeFromMenuItem(menu_item); | |
| 140 DCHECK(node); | |
| 141 DCHECK(page_navigator_); | |
| 142 RecordBookmarkLaunch(node, BOOKMARK_LAUNCH_LOCATION_BAR_SUBFOLDER); | |
| 143 page_navigator_->OpenURL(OpenURLParams( | |
| 144 node->url(), content::Referrer(), disposition, | |
| 145 content::PAGE_TRANSITION_AUTO_BOOKMARK, false)); | |
| 146 } | |
| 147 | |
| 148 void BookmarkMenuController::BuildMenu(const BookmarkNode* parent, | |
| 149 int start_child_index, | |
| 150 GtkWidget* menu) { | |
| 151 DCHECK(parent->empty() || start_child_index < parent->child_count()); | |
| 152 | |
| 153 signals_.Connect(menu, "button-press-event", | |
| 154 G_CALLBACK(OnMenuButtonPressedOrReleasedThunk), this); | |
| 155 signals_.Connect(menu, "button-release-event", | |
| 156 G_CALLBACK(OnMenuButtonPressedOrReleasedThunk), this); | |
| 157 | |
| 158 for (int i = start_child_index; i < parent->child_count(); ++i) { | |
| 159 const BookmarkNode* node = parent->GetChild(i); | |
| 160 | |
| 161 GtkWidget* menu_item = | |
| 162 gtk_image_menu_item_new_with_label(BuildMenuLabelFor(node).c_str()); | |
| 163 g_object_set_data(G_OBJECT(menu_item), "bookmark-node", AsVoid(node)); | |
| 164 SetImageMenuItem(menu_item, node, model_); | |
| 165 gtk_util::SetAlwaysShowImage(menu_item); | |
| 166 | |
| 167 signals_.Connect(menu_item, "button-release-event", | |
| 168 G_CALLBACK(OnButtonReleasedThunk), this); | |
| 169 if (node->is_url()) { | |
| 170 signals_.Connect(menu_item, "activate", | |
| 171 G_CALLBACK(OnMenuItemActivatedThunk), this); | |
| 172 } else if (node->is_folder()) { | |
| 173 GtkWidget* submenu = gtk_menu_new(); | |
| 174 BuildMenu(node, 0, submenu); | |
| 175 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_item), submenu); | |
| 176 } else { | |
| 177 NOTREACHED(); | |
| 178 } | |
| 179 | |
| 180 gtk_drag_source_set(menu_item, GDK_BUTTON1_MASK, NULL, 0, | |
| 181 static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_LINK)); | |
| 182 int target_mask = ui::CHROME_BOOKMARK_ITEM; | |
| 183 if (node->is_url()) | |
| 184 target_mask |= ui::TEXT_URI_LIST | ui::NETSCAPE_URL; | |
| 185 ui::SetSourceTargetListFromCodeMask(menu_item, target_mask); | |
| 186 signals_.Connect(menu_item, "drag-begin", | |
| 187 G_CALLBACK(OnMenuItemDragBeginThunk), this); | |
| 188 signals_.Connect(menu_item, "drag-end", | |
| 189 G_CALLBACK(OnMenuItemDragEndThunk), this); | |
| 190 signals_.Connect(menu_item, "drag-data-get", | |
| 191 G_CALLBACK(OnMenuItemDragGetThunk), this); | |
| 192 | |
| 193 // It is important to connect to this signal after setting up the drag | |
| 194 // source because we only want to stifle the menu's default handler and | |
| 195 // not the handler that the drag source uses. | |
| 196 if (node->is_folder()) { | |
| 197 signals_.Connect(menu_item, "button-press-event", | |
| 198 G_CALLBACK(OnFolderButtonPressedThunk), this); | |
| 199 } | |
| 200 | |
| 201 gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item); | |
| 202 node_to_menu_widget_map_[node] = menu_item; | |
| 203 } | |
| 204 | |
| 205 if (parent->empty()) { | |
| 206 GtkWidget* empty_menu = gtk_menu_item_new_with_label( | |
| 207 l10n_util::GetStringUTF8(IDS_MENU_EMPTY_SUBMENU).c_str()); | |
| 208 gtk_widget_set_sensitive(empty_menu, FALSE); | |
| 209 g_object_set_data(G_OBJECT(menu), "parent-node", AsVoid(parent)); | |
| 210 gtk_menu_shell_append(GTK_MENU_SHELL(menu), empty_menu); | |
| 211 } | |
| 212 } | |
| 213 | |
| 214 gboolean BookmarkMenuController::OnMenuButtonPressedOrReleased( | |
| 215 GtkWidget* sender, | |
| 216 GdkEventButton* event) { | |
| 217 // Handle middle mouse downs and right mouse ups. | |
| 218 if (!((event->button == 2 && event->type == GDK_BUTTON_RELEASE) || | |
| 219 (event->button == 3 && event->type == GDK_BUTTON_PRESS))) { | |
| 220 return FALSE; | |
| 221 } | |
| 222 | |
| 223 ignore_button_release_ = false; | |
| 224 GtkMenuShell* menu_shell = GTK_MENU_SHELL(sender); | |
| 225 // If the cursor is outside our bounds, pass this event up to the parent. | |
| 226 if (!gtk_util::WidgetContainsCursor(sender)) { | |
| 227 if (menu_shell->parent_menu_shell) { | |
| 228 return OnMenuButtonPressedOrReleased(menu_shell->parent_menu_shell, | |
| 229 event); | |
| 230 } else { | |
| 231 // We are the top level menu; we can propagate no further. | |
| 232 return FALSE; | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 // This will return NULL if we are not an empty menu. | |
| 237 const BookmarkNode* parent = GetParentNodeFromEmptyMenu(sender); | |
| 238 bool is_empty_menu = !!parent; | |
| 239 // If there is no active menu item and we are not an empty menu, then do | |
| 240 // nothing. This can happen if the user has canceled a context menu while | |
| 241 // the cursor is hovering over a bookmark menu. Doing nothing is not optimal | |
| 242 // (the hovered item should be active), but it's a hopefully rare corner | |
| 243 // case. | |
| 244 GtkWidget* menu_item = menu_shell->active_menu_item; | |
| 245 if (!is_empty_menu && !menu_item) | |
| 246 return TRUE; | |
| 247 const BookmarkNode* node = | |
| 248 menu_item ? GetNodeFromMenuItem(menu_item) : NULL; | |
| 249 | |
| 250 if (event->button == 2 && node && node->is_folder()) { | |
| 251 chrome::OpenAll(parent_window_, page_navigator_, node, NEW_BACKGROUND_TAB, | |
| 252 browser_->profile()); | |
| 253 gtk_menu_popdown(GTK_MENU(menu_)); | |
| 254 return TRUE; | |
| 255 } else if (event->button == 3) { | |
| 256 DCHECK_NE(is_empty_menu, !!node); | |
| 257 if (!is_empty_menu) | |
| 258 parent = node->parent(); | |
| 259 | |
| 260 // Show the right click menu and stop processing this button event. | |
| 261 std::vector<const BookmarkNode*> nodes; | |
| 262 if (node) | |
| 263 nodes.push_back(node); | |
| 264 context_menu_controller_.reset( | |
| 265 new BookmarkContextMenuController( | |
| 266 parent_window_, this, browser_, browser_->profile(), | |
| 267 page_navigator_, parent, nodes)); | |
| 268 context_menu_.reset( | |
| 269 new MenuGtk(NULL, context_menu_controller_->menu_model())); | |
| 270 | |
| 271 // Our bookmark folder menu loses the grab to the context menu. When the | |
| 272 // context menu is hidden, re-assert our grab. | |
| 273 GtkWidget* grabbing_menu = gtk_grab_get_current(); | |
| 274 g_object_ref(grabbing_menu); | |
| 275 signals_.Connect(context_menu_->widget(), "hide", | |
| 276 G_CALLBACK(OnContextMenuHide), grabbing_menu); | |
| 277 | |
| 278 context_menu_->PopupAsContext(gfx::Point(event->x_root, event->y_root), | |
| 279 event->time); | |
| 280 return TRUE; | |
| 281 } | |
| 282 | |
| 283 return FALSE; | |
| 284 } | |
| 285 | |
| 286 gboolean BookmarkMenuController::OnButtonReleased( | |
| 287 GtkWidget* sender, | |
| 288 GdkEventButton* event) { | |
| 289 if (ignore_button_release_) { | |
| 290 // Don't handle this message; it was a drag. | |
| 291 ignore_button_release_ = false; | |
| 292 return FALSE; | |
| 293 } | |
| 294 | |
| 295 // Releasing either button 1 or 2 should trigger the bookmark. | |
| 296 if (!gtk_menu_item_get_submenu(GTK_MENU_ITEM(sender))) { | |
| 297 // The menu item is a link node. | |
| 298 if (event->button == 1 || event->button == 2) { | |
| 299 WindowOpenDisposition disposition = | |
| 300 event_utils::DispositionFromGdkState(event->state); | |
| 301 | |
| 302 NavigateToMenuItem(sender, disposition); | |
| 303 | |
| 304 // We need to manually dismiss the popup menu because we're overriding | |
| 305 // button-release-event. | |
| 306 gtk_menu_popdown(GTK_MENU(menu_)); | |
| 307 return TRUE; | |
| 308 } | |
| 309 } else { | |
| 310 // The menu item is a folder node. | |
| 311 if (event->button == 1) { | |
| 312 // Having overriden the normal handling, we need to manually activate | |
| 313 // the item. | |
| 314 gtk_menu_shell_select_item(GTK_MENU_SHELL(sender->parent), sender); | |
| 315 g_signal_emit_by_name(sender->parent, "activate-current"); | |
| 316 return TRUE; | |
| 317 } | |
| 318 } | |
| 319 | |
| 320 return FALSE; | |
| 321 } | |
| 322 | |
| 323 gboolean BookmarkMenuController::OnFolderButtonPressed( | |
| 324 GtkWidget* sender, GdkEventButton* event) { | |
| 325 // The button press may start a drag; don't let the default handler run. | |
| 326 if (event->button == 1) | |
| 327 return TRUE; | |
| 328 return FALSE; | |
| 329 } | |
| 330 | |
| 331 void BookmarkMenuController::OnMenuHidden(GtkWidget* menu) { | |
| 332 if (triggering_widget_) | |
| 333 gtk_chrome_button_unset_paint_state(GTK_CHROME_BUTTON(triggering_widget_)); | |
| 334 } | |
| 335 | |
| 336 void BookmarkMenuController::OnMenuItemActivated(GtkWidget* menu_item) { | |
| 337 NavigateToMenuItem(menu_item, CURRENT_TAB); | |
| 338 } | |
| 339 | |
| 340 void BookmarkMenuController::OnMenuItemDragBegin(GtkWidget* menu_item, | |
| 341 GdkDragContext* drag_context) { | |
| 342 // The parent menu item might be removed during the drag. Ref it so |button| | |
| 343 // won't get destroyed. | |
| 344 g_object_ref(menu_item->parent); | |
| 345 | |
| 346 // Signal to any future OnButtonReleased calls that we're dragging instead of | |
| 347 // pressing. | |
| 348 ignore_button_release_ = true; | |
| 349 | |
| 350 const BookmarkNode* node = BookmarkNodeForWidget(menu_item); | |
| 351 drag_icon_ = GetDragRepresentationForNode( | |
| 352 node, model_, GtkThemeService::GetFrom(browser_->profile())); | |
| 353 gint x, y; | |
| 354 gtk_widget_get_pointer(menu_item, &x, &y); | |
| 355 gtk_drag_set_icon_widget(drag_context, drag_icon_, x, y); | |
| 356 | |
| 357 // Hide our node. | |
| 358 gtk_widget_hide(menu_item); | |
| 359 } | |
| 360 | |
| 361 void BookmarkMenuController::OnMenuItemDragEnd(GtkWidget* menu_item, | |
| 362 GdkDragContext* drag_context) { | |
| 363 gtk_widget_show(menu_item); | |
| 364 g_object_unref(menu_item->parent); | |
| 365 | |
| 366 gtk_widget_destroy(drag_icon_); | |
| 367 drag_icon_ = NULL; | |
| 368 } | |
| 369 | |
| 370 void BookmarkMenuController::OnMenuItemDragGet(GtkWidget* widget, | |
| 371 GdkDragContext* context, | |
| 372 GtkSelectionData* selection_data, | |
| 373 guint target_type, | |
| 374 guint time) { | |
| 375 const BookmarkNode* node = BookmarkNodeForWidget(widget); | |
| 376 WriteBookmarkToSelection( | |
| 377 node, selection_data, target_type, browser_->profile()); | |
| 378 } | |
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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