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| 1 // Copyright (c) 2009 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/views/bookmark_menu_button.h" |
| 6 |
| 7 #include "chrome/browser/bookmarks/bookmark_model.h" |
| 8 #include "chrome/browser/bookmarks/bookmark_utils.h" |
| 9 #include "chrome/browser/browser.h" |
| 10 #include "chrome/browser/profile.h" |
| 11 #include "chrome/browser/view_ids.h" |
| 12 #include "chrome/common/os_exchange_data.h" |
| 13 #include "chrome/common/resource_bundle.h" |
| 14 #include "chrome/views/widget/widget.h" |
| 15 #include "grit/theme_resources.h" |
| 16 |
| 17 BookmarkMenuButton::BookmarkMenuButton(Browser* browser) |
| 18 : views::MenuButton(NULL, std::wstring(), NULL, false), |
| 19 browser_(browser), |
| 20 bookmark_drop_menu_(NULL), |
| 21 drop_operation_(0) { |
| 22 set_menu_delegate(this); |
| 23 SetID(VIEW_ID_BOOKMARK_MENU); |
| 24 |
| 25 ResourceBundle &rb = ResourceBundle::GetSharedInstance(); |
| 26 // TODO (sky): if we keep this code, we need real icons, a11y support, and a |
| 27 // tooltip. |
| 28 SetIcon(*rb.GetBitmapNamed(IDR_MENU_BOOKMARK)); |
| 29 } |
| 30 |
| 31 BookmarkMenuButton::~BookmarkMenuButton() { |
| 32 if (bookmark_drop_menu_) |
| 33 bookmark_drop_menu_->set_observer(NULL); |
| 34 } |
| 35 |
| 36 bool BookmarkMenuButton::CanDrop(const OSExchangeData& data) { |
| 37 BookmarkModel* bookmark_model = GetBookmarkModel(); |
| 38 if (!bookmark_model || !bookmark_model->IsLoaded()) |
| 39 return false; |
| 40 |
| 41 drag_data_ = BookmarkDragData(); |
| 42 // Only accept drops of 1 node, which is the case for all data dragged from |
| 43 // bookmark bar and menus. |
| 44 return drag_data_.Read(data) && drag_data_.has_single_url(); |
| 45 } |
| 46 |
| 47 int BookmarkMenuButton::OnDragUpdated(const views::DropTargetEvent& event) { |
| 48 if (!drag_data_.is_valid()) |
| 49 return 0; |
| 50 |
| 51 BookmarkModel* bookmark_model = GetBookmarkModel(); |
| 52 drop_operation_ = bookmark_utils::BookmarkDropOperation( |
| 53 browser_->profile(), event, drag_data_, |
| 54 bookmark_model->GetBookmarkBarNode(), |
| 55 bookmark_model->GetBookmarkBarNode()->GetChildCount()); |
| 56 if (drop_operation_ != 0) |
| 57 StartShowFolderDropMenuTimer(); |
| 58 else |
| 59 StopShowFolderDropMenuTimer(); |
| 60 return drop_operation_; |
| 61 } |
| 62 |
| 63 void BookmarkMenuButton::OnDragExited() { |
| 64 StopShowFolderDropMenuTimer(); |
| 65 drag_data_ = BookmarkDragData(); |
| 66 } |
| 67 |
| 68 int BookmarkMenuButton::OnPerformDrop(const views::DropTargetEvent& event) { |
| 69 StopShowFolderDropMenuTimer(); |
| 70 |
| 71 if (bookmark_drop_menu_) |
| 72 bookmark_drop_menu_->Cancel(); |
| 73 |
| 74 // Reset the drag data to take as little memory as needed. |
| 75 BookmarkDragData data = drag_data_; |
| 76 drag_data_ = BookmarkDragData(); |
| 77 |
| 78 if (!drop_operation_) |
| 79 return DragDropTypes::DRAG_NONE; |
| 80 |
| 81 BookmarkModel* model = GetBookmarkModel(); |
| 82 if (!model) |
| 83 return DragDropTypes::DRAG_NONE; |
| 84 |
| 85 BookmarkNode* parent = model->GetBookmarkBarNode(); |
| 86 return bookmark_utils::PerformBookmarkDrop( |
| 87 browser_->profile(), data, parent, parent->GetChildCount()); |
| 88 } |
| 89 |
| 90 void BookmarkMenuButton::BookmarkMenuDeleted( |
| 91 BookmarkMenuController* controller) { |
| 92 bookmark_drop_menu_ = NULL; |
| 93 } |
| 94 |
| 95 void BookmarkMenuButton::RunMenu(views::View* source, |
| 96 const CPoint& pt, |
| 97 gfx::NativeView hwnd) { |
| 98 RunMenu(source, pt, hwnd, false); |
| 99 } |
| 100 |
| 101 void BookmarkMenuButton::RunMenu(views::View* source, |
| 102 const CPoint& pt, |
| 103 gfx::NativeView hwnd, |
| 104 bool for_drop) { |
| 105 Profile* profile = browser_->profile(); |
| 106 BookmarkMenuController* menu = new BookmarkMenuController( |
| 107 browser_, profile, browser_->GetSelectedTabContents(), hwnd, |
| 108 GetBookmarkModel()->GetBookmarkBarNode(), 0, true); |
| 109 |
| 110 views::MenuItemView::AnchorPosition anchor = views::MenuItemView::TOPRIGHT; |
| 111 if (UILayoutIsRightToLeft()) |
| 112 anchor = views::MenuItemView::TOPLEFT; |
| 113 gfx::Point button_origin; |
| 114 ConvertPointToScreen(this, &button_origin); |
| 115 gfx::Rect menu_bounds(button_origin.x(), button_origin.y(), width(), |
| 116 height()); |
| 117 if (for_drop) { |
| 118 bookmark_drop_menu_ = menu; |
| 119 bookmark_drop_menu_->set_observer(this); |
| 120 } |
| 121 menu->RunMenuAt(menu_bounds, views::MenuItemView::TOPRIGHT, for_drop); |
| 122 } |
| 123 |
| 124 BookmarkModel* BookmarkMenuButton::GetBookmarkModel() { |
| 125 return browser_->profile()->GetBookmarkModel(); |
| 126 } |
| 127 |
| 128 void BookmarkMenuButton::StartShowFolderDropMenuTimer() { |
| 129 if (show_drop_menu_timer_.IsRunning()) |
| 130 return; |
| 131 |
| 132 static DWORD delay = 0; |
| 133 if (!delay && !SystemParametersInfo(SPI_GETMENUSHOWDELAY, 0, &delay, 0)) |
| 134 delay = 400; |
| 135 show_drop_menu_timer_.Start(base::TimeDelta::FromMilliseconds(delay), |
| 136 this, &BookmarkMenuButton::ShowDropMenu); |
| 137 } |
| 138 |
| 139 void BookmarkMenuButton::StopShowFolderDropMenuTimer() { |
| 140 show_drop_menu_timer_.Stop(); |
| 141 } |
| 142 |
| 143 void BookmarkMenuButton::ShowDropMenu() { |
| 144 RunMenu(NULL, CPoint(), GetWidget()->GetNativeView(), true); |
| 145 } |
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