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