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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/views/bookmark_menu_button.h"
#include "app/resource_bundle.h"
#include "app/os_exchange_data.h"
#include "chrome/browser/bookmarks/bookmark_model.h"
#include "chrome/browser/bookmarks/bookmark_utils.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/view_ids.h"
#include "grit/theme_resources.h"
#include "views/widget/widget.h"
BookmarkMenuButton::BookmarkMenuButton(Browser* browser)
: views::MenuButton(NULL, std::wstring(), NULL, false),
browser_(browser),
bookmark_drop_menu_(NULL),
drop_operation_(0) {
set_menu_delegate(this);
SetID(VIEW_ID_BOOKMARK_MENU);
ResourceBundle &rb = ResourceBundle::GetSharedInstance();
// TODO (sky): if we keep this code, we need real icons, a11y support, and a
// tooltip.
SetIcon(*rb.GetBitmapNamed(IDR_MENU_BOOKMARK));
}
BookmarkMenuButton::~BookmarkMenuButton() {
if (bookmark_drop_menu_)
bookmark_drop_menu_->set_observer(NULL);
}
bool BookmarkMenuButton::CanDrop(const OSExchangeData& data) {
BookmarkModel* bookmark_model = GetBookmarkModel();
if (!bookmark_model || !bookmark_model->IsLoaded())
return false;
drag_data_ = BookmarkDragData();
// Only accept drops of 1 node, which is the case for all data dragged from
// bookmark bar and menus.
return drag_data_.Read(data) && drag_data_.has_single_url();
}
int BookmarkMenuButton::OnDragUpdated(const views::DropTargetEvent& event) {
if (!drag_data_.is_valid())
return 0;
BookmarkModel* bookmark_model = GetBookmarkModel();
drop_operation_ = bookmark_utils::BookmarkDropOperation(
browser_->profile(), event, drag_data_,
bookmark_model->GetBookmarkBarNode(),
bookmark_model->GetBookmarkBarNode()->GetChildCount());
if (drop_operation_ != 0)
StartShowFolderDropMenuTimer();
else
StopShowFolderDropMenuTimer();
return drop_operation_;
}
void BookmarkMenuButton::OnDragExited() {
StopShowFolderDropMenuTimer();
drag_data_ = BookmarkDragData();
}
int BookmarkMenuButton::OnPerformDrop(const views::DropTargetEvent& event) {
StopShowFolderDropMenuTimer();
if (bookmark_drop_menu_)
bookmark_drop_menu_->Cancel();
// Reset the drag data to take as little memory as needed.
BookmarkDragData data = drag_data_;
drag_data_ = BookmarkDragData();
if (!drop_operation_)
return DragDropTypes::DRAG_NONE;
BookmarkModel* model = GetBookmarkModel();
if (!model)
return DragDropTypes::DRAG_NONE;
BookmarkNode* parent = model->GetBookmarkBarNode();
return bookmark_utils::PerformBookmarkDrop(
browser_->profile(), data, parent, parent->GetChildCount());
}
void BookmarkMenuButton::BookmarkMenuDeleted(
BookmarkMenuController* controller) {
bookmark_drop_menu_ = NULL;
}
void BookmarkMenuButton::RunMenu(views::View* source,
const gfx::Point& pt,
gfx::NativeView hwnd) {
RunMenu(source, pt, hwnd, false);
}
void BookmarkMenuButton::RunMenu(views::View* source,
const gfx::Point& pt,
gfx::NativeView hwnd,
bool for_drop) {
Profile* profile = browser_->profile();
BookmarkMenuController* menu = new BookmarkMenuController(
browser_, profile, browser_->GetSelectedTabContents(), hwnd,
GetBookmarkModel()->GetBookmarkBarNode(), 0, true);
views::MenuItemView::AnchorPosition anchor = views::MenuItemView::TOPRIGHT;
if (UILayoutIsRightToLeft())
anchor = views::MenuItemView::TOPLEFT;
gfx::Point button_origin;
ConvertPointToScreen(this, &button_origin);
gfx::Rect menu_bounds(button_origin.x(), button_origin.y(), width(),
height());
if (for_drop) {
bookmark_drop_menu_ = menu;
bookmark_drop_menu_->set_observer(this);
}
menu->RunMenuAt(menu_bounds, views::MenuItemView::TOPRIGHT, for_drop);
}
BookmarkModel* BookmarkMenuButton::GetBookmarkModel() {
return browser_->profile()->GetBookmarkModel();
}
void BookmarkMenuButton::StartShowFolderDropMenuTimer() {
if (show_drop_menu_timer_.IsRunning())
return;
static DWORD delay = 0;
if (!delay && !SystemParametersInfo(SPI_GETMENUSHOWDELAY, 0, &delay, 0))
delay = 400;
show_drop_menu_timer_.Start(base::TimeDelta::FromMilliseconds(delay),
this, &BookmarkMenuButton::ShowDropMenu);
}
void BookmarkMenuButton::StopShowFolderDropMenuTimer() {
show_drop_menu_timer_.Stop();
}
void BookmarkMenuButton::ShowDropMenu() {
RunMenu(NULL, gfx::Point(), GetWidget()->GetNativeView(), true);
}
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