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/extensions/browser_action_overflow_menu_controller.h" 6 7#include "base/message_loop/message_loop.h" 8#include "base/strings/utf_string_conversions.h" 9#include "chrome/browser/extensions/extension_action.h" 10#include "chrome/browser/extensions/extension_action_manager.h" 11#include "chrome/browser/extensions/extension_context_menu_model.h" 12#include "chrome/browser/profiles/profile.h" 13#include "chrome/browser/ui/browser_list.h" 14#include "chrome/browser/ui/views/extensions/browser_action_drag_data.h" 15#include "chrome/browser/ui/views/toolbar/browser_action_view.h" 16#include "chrome/browser/ui/views/toolbar/browser_actions_container.h" 17#include "extensions/common/extension.h" 18#include "ui/gfx/canvas.h" 19#include "ui/views/controls/menu/menu_item_view.h" 20#include "ui/views/controls/menu/menu_runner.h" 21#include "ui/views/controls/menu/submenu_view.h" 22#include "ui/views/widget/widget.h" 23 24BrowserActionOverflowMenuController::BrowserActionOverflowMenuController( 25 BrowserActionsContainer* owner, 26 Browser* browser, 27 views::MenuButton* menu_button, 28 const std::vector<BrowserActionView*>& views, 29 int start_index) 30 : owner_(owner), 31 browser_(browser), 32 observer_(NULL), 33 menu_button_(menu_button), 34 menu_(NULL), 35 views_(&views), 36 start_index_(start_index), 37 for_drop_(false) { 38 menu_ = new views::MenuItemView(this); 39 menu_runner_.reset(new views::MenuRunner(menu_)); 40 menu_->set_has_icons(true); 41 42 size_t command_id = 1; // Menu id 0 is reserved, start with 1. 43 for (size_t i = start_index; i < views_->size(); ++i) { 44 BrowserActionView* view = (*views_)[i]; 45 menu_->AppendMenuItemWithIcon( 46 command_id, 47 UTF8ToUTF16(view->button()->extension()->name()), 48 view->GetIconWithBadge()); 49 50 // Set the tooltip for this item. 51 base::string16 tooltip = UTF8ToUTF16( 52 extensions::ExtensionActionManager::Get(owner_->profile())-> 53 GetBrowserAction(*view->button()->extension())-> 54 GetTitle(owner_->GetCurrentTabId())); 55 menu_->SetTooltip(tooltip, command_id); 56 57 ++command_id; 58 } 59} 60 61BrowserActionOverflowMenuController::~BrowserActionOverflowMenuController() { 62 if (observer_) 63 observer_->NotifyMenuDeleted(this); 64} 65 66bool BrowserActionOverflowMenuController::RunMenu(views::Widget* window, 67 bool for_drop) { 68 for_drop_ = for_drop; 69 70 gfx::Rect bounds = menu_button_->bounds(); 71 gfx::Point screen_loc; 72 views::View::ConvertPointToScreen(menu_button_, &screen_loc); 73 bounds.set_x(screen_loc.x()); 74 bounds.set_y(screen_loc.y()); 75 76 views::MenuItemView::AnchorPosition anchor = views::MenuItemView::TOPRIGHT; 77 // As we maintain our own lifetime we can safely ignore the result. 78 ignore_result(menu_runner_->RunMenuAt(window, menu_button_, bounds, anchor, 79 ui::MENU_SOURCE_NONE, for_drop_ ? views::MenuRunner::FOR_DROP : 0)); 80 if (!for_drop_) { 81 // Give the context menu (if any) a chance to execute the user-selected 82 // command. 83 base::MessageLoop::current()->DeleteSoon(FROM_HERE, this); 84 } 85 return true; 86} 87 88void BrowserActionOverflowMenuController::CancelMenu() { 89 menu_->Cancel(); 90} 91 92bool BrowserActionOverflowMenuController::IsCommandEnabled(int id) const { 93 BrowserActionView* view = (*views_)[start_index_ + id - 1]; 94 return view->button()->IsEnabled(owner_->GetCurrentTabId()); 95} 96 97void BrowserActionOverflowMenuController::ExecuteCommand(int id) { 98 BrowserActionView* view = (*views_)[start_index_ + id - 1]; 99 owner_->OnBrowserActionExecuted(view->button()); 100} 101 102bool BrowserActionOverflowMenuController::ShowContextMenu( 103 views::MenuItemView* source, 104 int id, 105 const gfx::Point& p, 106 ui::MenuSourceType source_type) { 107 const extensions::Extension* extension = 108 (*views_)[start_index_ + id - 1]->button()->extension(); 109 if (!extension->ShowConfigureContextMenus()) 110 return false; 111 112 scoped_refptr<ExtensionContextMenuModel> context_menu_contents = 113 new ExtensionContextMenuModel(extension, browser_, owner_); 114 views::MenuRunner context_menu_runner(context_menu_contents.get()); 115 116 // We can ignore the result as we delete ourself. 117 // This blocks until the user choses something or dismisses the menu. 118 ignore_result(context_menu_runner.RunMenuAt(menu_button_->GetWidget(), 119 NULL, gfx::Rect(p, gfx::Size()), views::MenuItemView::TOPLEFT, 120 source_type, 121 views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::IS_NESTED | 122 views::MenuRunner::CONTEXT_MENU)); 123 124 // The user is done with the context menu, so we can close the underlying 125 // menu. 126 menu_->Cancel(); 127 128 return true; 129} 130 131void BrowserActionOverflowMenuController::DropMenuClosed( 132 views::MenuItemView* menu) { 133 delete this; 134} 135 136bool BrowserActionOverflowMenuController::GetDropFormats( 137 views::MenuItemView* menu, 138 int* formats, 139 std::set<OSExchangeData::CustomFormat>* custom_formats) { 140 custom_formats->insert(BrowserActionDragData::GetBrowserActionCustomFormat()); 141 return true; 142} 143 144bool BrowserActionOverflowMenuController::AreDropTypesRequired( 145 views::MenuItemView* menu) { 146 return true; 147} 148 149bool BrowserActionOverflowMenuController::CanDrop( 150 views::MenuItemView* menu, const OSExchangeData& data) { 151 BrowserActionDragData drop_data; 152 if (!drop_data.Read(data)) 153 return false; 154 return drop_data.IsFromProfile(owner_->profile()); 155} 156 157int BrowserActionOverflowMenuController::GetDropOperation( 158 views::MenuItemView* item, 159 const ui::DropTargetEvent& event, 160 DropPosition* position) { 161 // Don't allow dropping from the BrowserActionContainer into slot 0 of the 162 // overflow menu since once the move has taken place the item you are dragging 163 // falls right out of the menu again once the user releases the button 164 // (because we don't shrink the BrowserActionContainer when you do this). 165 if ((item->GetCommand() == 0) && (*position == DROP_BEFORE)) { 166 BrowserActionDragData drop_data; 167 if (!drop_data.Read(event.data())) 168 return ui::DragDropTypes::DRAG_NONE; 169 170 if (drop_data.index() < owner_->VisibleBrowserActions()) 171 return ui::DragDropTypes::DRAG_NONE; 172 } 173 174 return ui::DragDropTypes::DRAG_MOVE; 175} 176 177int BrowserActionOverflowMenuController::OnPerformDrop( 178 views::MenuItemView* menu, 179 DropPosition position, 180 const ui::DropTargetEvent& event) { 181 BrowserActionDragData drop_data; 182 if (!drop_data.Read(event.data())) 183 return ui::DragDropTypes::DRAG_NONE; 184 185 size_t drop_index; 186 ViewForId(menu->GetCommand(), &drop_index); 187 188 // When not dragging within the overflow menu (dragging an icon into the menu) 189 // subtract one to get the right index. 190 if (position == DROP_BEFORE && 191 drop_data.index() < owner_->VisibleBrowserActions()) 192 --drop_index; 193 194 owner_->MoveBrowserAction(drop_data.id(), drop_index); 195 196 if (for_drop_) 197 delete this; 198 return ui::DragDropTypes::DRAG_MOVE; 199} 200 201bool BrowserActionOverflowMenuController::CanDrag(views::MenuItemView* menu) { 202 return true; 203} 204 205void BrowserActionOverflowMenuController::WriteDragData( 206 views::MenuItemView* sender, OSExchangeData* data) { 207 size_t drag_index; 208 BrowserActionView* view = ViewForId(sender->GetCommand(), &drag_index); 209 std::string id = view->button()->extension()->id(); 210 211 BrowserActionDragData drag_data(id, drag_index); 212 drag_data.Write(owner_->profile(), data); 213} 214 215int BrowserActionOverflowMenuController::GetDragOperations( 216 views::MenuItemView* sender) { 217 return ui::DragDropTypes::DRAG_MOVE; 218} 219 220BrowserActionView* BrowserActionOverflowMenuController::ViewForId( 221 int id, size_t* index) { 222 // The index of the view being dragged (GetCommand gives a 1-based index into 223 // the overflow menu). 224 size_t view_index = owner_->VisibleBrowserActions() + id - 1; 225 if (index) 226 *index = view_index; 227 return owner_->GetBrowserActionViewAt(view_index); 228} 229