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