chrome/browser/ui/views/bookmarks/bookmark_menu_controller_views.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/bookmarks/bookmark_menu_controller_views.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "base/stl_util.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/browser/bookmarks/bookmark_stats.h"
  11 #include "chrome/browser/ui/views/bookmarks/bookmark_bar_view.h"
  12 #include "chrome/browser/ui/views/bookmarks/bookmark_menu_controller_observer.h"
  13 #include "chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.h"
  14 #include "chrome/common/pref_names.h"
  15 #include "components/bookmarks/browser/bookmark_model.h"
  16 #include "content/public/browser/page_navigator.h"
  17 #include "content/public/browser/user_metrics.h"
  18 #include "grit/generated_resources.h"
  19 #include "grit/theme_resources.h"
  20 #include "grit/ui_resources.h"
  21 #include "ui/base/dragdrop/os_exchange_data.h"
  22 #include "ui/base/resource/resource_bundle.h"
  23 #include "ui/views/controls/button/menu_button.h"
  24 #include "ui/views/controls/menu/menu_item_view.h"
  25 #include "ui/views/controls/menu/menu_runner.h"
  26 #include "ui/views/widget/widget.h"
  27
  28 using base::UserMetricsAction;
  29 using content::PageNavigator;
  30 using views::MenuItemView;
  31
  32 BookmarkMenuController::BookmarkMenuController(Browser* browser,
  33                                                PageNavigator* page_navigator,
  34                                                views::Widget* parent,
  35                                                const BookmarkNode* node,
  36                                                int start_child_index)
  37     : menu_delegate_(
  38         new BookmarkMenuDelegate(browser, page_navigator, parent, 1,
  39                                  kint32max)),
  40       node_(node),
  41       observer_(NULL),
  42       for_drop_(false),
  43       bookmark_bar_(NULL) {
  44   menu_delegate_->Init(this, NULL, node, start_child_index,
  45                        BookmarkMenuDelegate::HIDE_PERMANENT_FOLDERS,
  46                        BOOKMARK_LAUNCH_LOCATION_BAR_SUBFOLDER);
  47   menu_runner_.reset(new views::MenuRunner(menu_delegate_->menu()));
  48 }
  49
  50 void BookmarkMenuController::RunMenuAt(BookmarkBarView* bookmark_bar,
  51                                        bool for_drop) {
  52   bookmark_bar_ = bookmark_bar;
  53   views::MenuButton* menu_button = bookmark_bar_->GetMenuButtonForNode(node_);
  54   DCHECK(menu_button);
  55   views::MenuAnchorPosition anchor;
  56   bookmark_bar_->GetAnchorPositionForButton(menu_button, &anchor);
  57   gfx::Point screen_loc;
  58   views::View::ConvertPointToScreen(menu_button, &screen_loc);
  59   // Subtract 1 from the height to make the popup flush with the button border.
  60   gfx::Rect bounds(screen_loc.x(), screen_loc.y(), menu_button->width(),
  61                    menu_button->height() - 1);
  62   for_drop_ = for_drop;
  63   menu_delegate_->GetBookmarkModel()->AddObserver(this);
  64   // We only delete ourself after the menu completes, so we can safely ignore
  65   // the return value.
  66   ignore_result(menu_runner_->RunMenuAt(menu_delegate_->parent(), menu_button,
  67       bounds, anchor, ui::MENU_SOURCE_NONE,
  68       for_drop ? views::MenuRunner::FOR_DROP : 0));
  69   if (!for_drop)
  70     delete this;
  71 }
  72
  73 void BookmarkMenuController::Cancel() {
  74   menu_delegate_->menu()->Cancel();
  75 }
  76
  77 MenuItemView* BookmarkMenuController::menu() const {
  78   return menu_delegate_->menu();
  79 }
  80
  81 MenuItemView* BookmarkMenuController::context_menu() const {
  82   return menu_delegate_->context_menu();
  83 }
  84
  85 void BookmarkMenuController::SetPageNavigator(PageNavigator* navigator) {
  86   menu_delegate_->SetPageNavigator(navigator);
  87 }
  88
  89 base::string16 BookmarkMenuController::GetTooltipText(int id,
  90                                                 const gfx::Point& p) const {
  91   return menu_delegate_->GetTooltipText(id, p);
  92 }
  93
  94 bool BookmarkMenuController::IsTriggerableEvent(views::MenuItemView* menu,
  95                                                 const ui::Event& e) {
  96   return menu_delegate_->IsTriggerableEvent(menu, e);
  97 }
  98
  99 void BookmarkMenuController::ExecuteCommand(int id, int mouse_event_flags) {
 100   menu_delegate_->ExecuteCommand(id, mouse_event_flags);
 101 }
 102
 103 bool BookmarkMenuController::ShouldExecuteCommandWithoutClosingMenu(
 104       int id, const ui::Event& e) {
 105   return menu_delegate_->ShouldExecuteCommandWithoutClosingMenu(id, e);
 106 }
 107
 108 bool BookmarkMenuController::GetDropFormats(
 109       MenuItemView* menu,
 110       int* formats,
 111       std::set<ui::OSExchangeData::CustomFormat>* custom_formats) {
 112   return menu_delegate_->GetDropFormats(menu, formats, custom_formats);
 113 }
 114
 115 bool BookmarkMenuController::AreDropTypesRequired(MenuItemView* menu) {
 116   return menu_delegate_->AreDropTypesRequired(menu);
 117 }
 118
 119 bool BookmarkMenuController::CanDrop(MenuItemView* menu,
 120                                      const ui::OSExchangeData& data) {
 121   return menu_delegate_->CanDrop(menu, data);
 122 }
 123
 124 int BookmarkMenuController::GetDropOperation(
 125     MenuItemView* item,
 126     const ui::DropTargetEvent& event,
 127     DropPosition* position) {
 128   return menu_delegate_->GetDropOperation(item, event, position);
 129 }
 130
 131 int BookmarkMenuController::OnPerformDrop(MenuItemView* menu,
 132                                           DropPosition position,
 133                                           const ui::DropTargetEvent& event) {
 134   int result = menu_delegate_->OnPerformDrop(menu, position, event);
 135   if (for_drop_)
 136     delete this;
 137   return result;
 138 }
 139
 140 bool BookmarkMenuController::ShowContextMenu(MenuItemView* source,
 141                                              int id,
 142                                              const gfx::Point& p,
 143                                              ui::MenuSourceType source_type) {
 144   return menu_delegate_->ShowContextMenu(source, id, p, source_type);
 145 }
 146
 147 void BookmarkMenuController::DropMenuClosed(MenuItemView* menu) {
 148   delete this;
 149 }
 150
 151 bool BookmarkMenuController::CanDrag(MenuItemView* menu) {
 152   return menu_delegate_->CanDrag(menu);
 153 }
 154
 155 void BookmarkMenuController::WriteDragData(MenuItemView* sender,
 156                                            ui::OSExchangeData* data) {
 157   return menu_delegate_->WriteDragData(sender, data);
 158 }
 159
 160 int BookmarkMenuController::GetDragOperations(MenuItemView* sender) {
 161   return menu_delegate_->GetDragOperations(sender);
 162 }
 163
 164 views::MenuItemView* BookmarkMenuController::GetSiblingMenu(
 165     views::MenuItemView* menu,
 166     const gfx::Point& screen_point,
 167     views::MenuAnchorPosition* anchor,
 168     bool* has_mnemonics,
 169     views::MenuButton** button) {
 170   if (!bookmark_bar_ || for_drop_)
 171     return NULL;
 172   gfx::Point bookmark_bar_loc(screen_point);
 173   views::View::ConvertPointFromScreen(bookmark_bar_, &bookmark_bar_loc);
 174   int start_index;
 175   const BookmarkNode* node = bookmark_bar_->GetNodeForButtonAtModelIndex(
 176       bookmark_bar_loc, &start_index);
 177   if (!node || !node->is_folder())
 178     return NULL;
 179
 180   menu_delegate_->SetActiveMenu(node, start_index);
 181   *button = bookmark_bar_->GetMenuButtonForNode(node);
 182   bookmark_bar_->GetAnchorPositionForButton(*button, anchor);
 183   *has_mnemonics = false;
 184   return this->menu();
 185 }
 186
 187 int BookmarkMenuController::GetMaxWidthForMenu(MenuItemView* view) {
 188   return menu_delegate_->GetMaxWidthForMenu(view);
 189 }
 190
 191 void BookmarkMenuController::BookmarkModelChanged() {
 192   if (!menu_delegate_->is_mutating_model())
 193     menu()->Cancel();
 194 }
 195
 196 BookmarkMenuController::~BookmarkMenuController() {
 197   menu_delegate_->GetBookmarkModel()->RemoveObserver(this);
 198   if (observer_)
 199     observer_->BookmarkMenuControllerDeleted(this);
 200 }