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// Copyright (c) 2011 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 "views/controls/menu/menu_host.h"
#include "views/controls/menu/menu_controller.h"
#include "views/controls/menu/menu_host_root_view.h"
#include "views/controls/menu/menu_item_view.h"
#include "views/controls/menu/native_menu_host.h"
#include "views/controls/menu/submenu_view.h"
#include "views/widget/native_widget_private.h"
#include "views/widget/widget.h"
namespace views {
////////////////////////////////////////////////////////////////////////////////
// MenuHost, public:
MenuHost::MenuHost(SubmenuView* submenu)
: ALLOW_THIS_IN_INITIALIZER_LIST(native_menu_host_(
NativeMenuHost::CreateNativeMenuHost(this))),
submenu_(submenu),
destroying_(false) {
}
MenuHost::~MenuHost() {
}
void MenuHost::InitMenuHost(gfx::NativeWindow parent,
const gfx::Rect& bounds,
View* contents_view,
bool do_capture) {
Widget::InitParams params(Widget::InitParams::TYPE_MENU);
params.has_dropshadow = true;
#if defined(OS_WIN)
params.parent = parent;
#elif defined(TOOLKIT_USES_GTK)
params.parent = GTK_WIDGET(parent);
#endif
params.bounds = bounds;
params.native_widget = native_menu_host_->AsNativeWidget();
Init(params);
SetContentsView(contents_view);
ShowMenuHost(do_capture);
}
bool MenuHost::IsMenuHostVisible() {
return IsVisible();
}
void MenuHost::ShowMenuHost(bool do_capture) {
Show();
if (do_capture)
native_menu_host_->StartCapturing();
}
void MenuHost::HideMenuHost() {
ReleaseMenuHostCapture();
Hide();
}
void MenuHost::DestroyMenuHost() {
HideMenuHost();
destroying_ = true;
static_cast<MenuHostRootView*>(GetRootView())->ClearSubmenu();
Close();
}
void MenuHost::SetMenuHostBounds(const gfx::Rect& bounds) {
SetBounds(bounds);
}
void MenuHost::ReleaseMenuHostCapture() {
if (native_widget_private()->HasMouseCapture())
native_widget_private()->ReleaseMouseCapture();
}
////////////////////////////////////////////////////////////////////////////////
// MenuHost, Widget overrides:
internal::RootView* MenuHost::CreateRootView() {
return new MenuHostRootView(this, submenu_);
}
bool MenuHost::ShouldReleaseCaptureOnMouseReleased() const {
return false;
}
////////////////////////////////////////////////////////////////////////////////
// MenuHost, internal::NativeMenuHostDelegate implementation:
void MenuHost::OnNativeMenuHostDestroy() {
if (!destroying_) {
// We weren't explicitly told to destroy ourselves, which means the menu was
// deleted out from under us (the window we're parented to was closed). Tell
// the SubmenuView to drop references to us.
submenu_->MenuHostDestroyed();
}
}
void MenuHost::OnNativeMenuHostCancelCapture() {
if (destroying_)
return;
MenuController* menu_controller =
submenu_->GetMenuItem()->GetMenuController();
if (menu_controller && !menu_controller->drag_in_progress())
menu_controller->CancelAll();
}
internal::NativeWidgetDelegate* MenuHost::AsNativeWidgetDelegate() {
return this;
}
} // namespace views
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