Makes gtk show the 'mobile' bookmark folder where appropriate.

chrome/browser/ui/gtk/bookmark_sub_menu_model_gtk.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/ui/gtk/bookmark_sub_menu_model_gtk.h"
-
-#include "base/stl_util.h"
-#include "base/string16.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/app/chrome_command_ids.h"
-#include "chrome/browser/bookmarks/bookmark_model.h"
-#include "chrome/browser/event_disposition.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/gtk/bookmarks/bookmark_utils_gtk.h"
-#include "chrome/browser/ui/gtk/menu_gtk.h"
-#include "grit/generated_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-
-// Per chrome/app/chrome_command_ids.h, values < 4000 are for "dynamic menu
-// items". We only use one command id for all the bookmarks, because we handle
-// bookmark item activations directly. So we pick a suitably large random value
-// and use that to avoid accidental conflicts with other dynamic items.
-static const int kBookmarkItemCommandId = 1759;
-
-BookmarkNodeMenuModel::BookmarkNodeMenuModel(
-    ui::SimpleMenuModel::Delegate* delegate,
-    BookmarkModel* model,
-    const BookmarkNode* node,
-    PageNavigator* page_navigator)
-    : SimpleMenuModel(delegate),
-      model_(model),
-      node_(node),
-      page_navigator_(page_navigator) {
-  DCHECK(page_navigator_);
-}
-
-BookmarkNodeMenuModel::~BookmarkNodeMenuModel() {
-  Clear();
-}
-
-void BookmarkNodeMenuModel::Clear() {
-  SimpleMenuModel::Clear();
-  STLDeleteElements(&submenus_);
-}
-
-void BookmarkNodeMenuModel::MenuWillShow() {
-  Clear();
-  PopulateMenu();
-}
-
-void BookmarkNodeMenuModel::MenuClosed() {
-  Clear();
-}
-
-void BookmarkNodeMenuModel::ActivatedAt(int index) {
-  NavigateToMenuItem(index, CURRENT_TAB);
-}
-
-void BookmarkNodeMenuModel::ActivatedAt(int index, int event_flags) {
-  NavigateToMenuItem(index, browser::DispositionFromEventFlags(event_flags));
-}
-
-void BookmarkNodeMenuModel::PopulateMenu() {
-  DCHECK(submenus_.empty());
-  for (int i = 0; i < node_->child_count(); ++i) {
-    const BookmarkNode* child = node_->GetChild(i);
-    if (child->is_folder()) {
-      AddSubMenuForNode(child);
-    } else {
-      // Ironically the label will end up getting converted back to UTF8 later.
-      const string16 label =
-        UTF8ToUTF16(bookmark_utils::BuildMenuLabelFor(child));
-      // No command id. We override ActivatedAt below to handle activations.
-      AddItem(kBookmarkItemCommandId, label);
-      const SkBitmap& node_icon = model_->GetFavicon(child);
-      if (node_icon.width() > 0)
-        SetIcon(GetItemCount() - 1, node_icon);
-      // TODO(mdm): set up an observer to watch for icon load events and set
-      // the icons in response.
-    }
-  }
-}
-
-void BookmarkNodeMenuModel::AddSubMenuForNode(const BookmarkNode* node) {
-  DCHECK(node->is_folder());
-  // Ironically the label will end up getting converted back to UTF8 later.
-  const string16 label = UTF8ToUTF16(bookmark_utils::BuildMenuLabelFor(node));
-  // Don't pass in the delegate, if any. Bookmark submenus don't need one.
-  BookmarkNodeMenuModel* submenu =
-      new BookmarkNodeMenuModel(NULL, model_, node, page_navigator_);
-  // No command id. Nothing happens if you click on the submenu itself.
-  AddSubMenu(kBookmarkItemCommandId, label, submenu);
-  submenus_.push_back(submenu);
-}
-
-void BookmarkNodeMenuModel::NavigateToMenuItem(
-    int index,
-    WindowOpenDisposition disposition) {
-  const BookmarkNode* node = node_->GetChild(index);
-  DCHECK(node);
-  page_navigator_->OpenURL(OpenURLParams(
-      node->url(), GURL(), disposition,
-      content::PAGE_TRANSITION_AUTO_BOOKMARK,
-      false));  // is_renderer_initiated
-}
-
-BookmarkSubMenuModel::BookmarkSubMenuModel(
-    ui::SimpleMenuModel::Delegate* delegate,
-    Browser* browser)
-    : BookmarkNodeMenuModel(delegate, NULL, NULL, browser),
-      browser_(browser),
-      fixed_items_(0),
-      bookmark_end_(0),
-      menu_(NULL) {
-}
-
-BookmarkSubMenuModel::~BookmarkSubMenuModel() {
-  if (model())
-    model()->RemoveObserver(this);
-}
-
-void BookmarkSubMenuModel::BookmarkModelChanged() {
-  if (menu_)
-    menu_->Cancel();
-}
-
-void BookmarkSubMenuModel::BookmarkModelBeingDeleted(
-    BookmarkModel* model) {
-  set_model(NULL);
-  // All our submenus will still have pointers to the model, but this call
-  // should force the menu to close, which will cause them to be deleted.
-  BookmarkModelChanged();
-}
-
-void BookmarkSubMenuModel::MenuWillShow() {
-  Clear();
-  AddCheckItemWithStringId(IDC_SHOW_BOOKMARK_BAR, IDS_SHOW_BOOKMARK_BAR);
-  AddItemWithStringId(IDC_SHOW_BOOKMARK_MANAGER, IDS_BOOKMARK_MANAGER);
-  AddItemWithStringId(IDC_IMPORT_SETTINGS, IDS_IMPORT_SETTINGS_MENU_LABEL);
-  fixed_items_ = bookmark_end_ = GetItemCount();
-  if (!model()) {
-    set_model(browser_->profile()->GetBookmarkModel());
-    if (!model())
-      return;
-    model()->AddObserver(this);
-  }
-  // The node count includes the node itself, so 1 means empty.
-  if (model()->bookmark_bar_node()->GetTotalNodeCount() > 1) {
-    AddSeparator();
-    fixed_items_ = GetItemCount();
-    if (!node())
-      set_node(model()->bookmark_bar_node());
-    // PopulateMenu() won't clear the items we added above.
-    PopulateMenu();
-  }
-  bookmark_end_ = GetItemCount();
-  if (model()->other_node()->GetTotalNodeCount() > 1) {
-    AddSeparator();
-    AddSubMenuForNode(model()->other_node());
-  }
-}
-
-void BookmarkSubMenuModel::ActivatedAt(int index) {
-  // Because this is also overridden in BookmarkNodeMenuModel which doesn't know
-  // we might be prepending items, we have to adjust the index for it.
-  if (index >= fixed_items_ && index < bookmark_end_)
-    BookmarkNodeMenuModel::ActivatedAt(index - fixed_items_);
-  else
-    SimpleMenuModel::ActivatedAt(index);
-}
-
-void BookmarkSubMenuModel::ActivatedAt(int index, int event_flags) {
-  // Because this is also overridden in BookmarkNodeMenuModel which doesn't know
-  // we might be prepending items, we have to adjust the index for it.
-  if (index >= fixed_items_ && index < bookmark_end_)
-    BookmarkNodeMenuModel::ActivatedAt(index - fixed_items_, event_flags);
-  else
-    SimpleMenuModel::ActivatedAt(index, event_flags);
-}
-
-bool BookmarkSubMenuModel::IsEnabledAt(int index) const {
-  // We don't want the delegate interfering with bookmark items.
-  return index >= fixed_items_ || SimpleMenuModel::IsEnabledAt(index);
-}
-
-bool BookmarkSubMenuModel::IsVisibleAt(int index) const {
-  // We don't want the delegate interfering with bookmark items.
-  return index >= fixed_items_ || SimpleMenuModel::IsVisibleAt(index);
-}
-
-// static
-bool BookmarkSubMenuModel::IsBookmarkItemCommandId(int command_id) {
-  return command_id == kBookmarkItemCommandId;
-}