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// Copyright (c) 2010 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_win.h"
#include "base/win/windows_version.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/submenu_view.h"
namespace views {
// static
MenuHost* MenuHost::Create(SubmenuView* submenu_view) {
return new MenuHostWin(submenu_view);
}
MenuHostWin::MenuHostWin(SubmenuView* submenu)
: destroying_(false),
submenu_(submenu),
owns_capture_(false) {
set_window_style(WS_POPUP);
set_initial_class_style(
(base::win::GetVersion() < base::win::VERSION_XP) ?
0 : CS_DROPSHADOW);
is_mouse_down_ =
((GetKeyState(VK_LBUTTON) & 0x80) ||
(GetKeyState(VK_RBUTTON) & 0x80) ||
(GetKeyState(VK_MBUTTON) & 0x80) ||
(GetKeyState(VK_XBUTTON1) & 0x80) ||
(GetKeyState(VK_XBUTTON2) & 0x80));
// Mouse clicks shouldn't give us focus.
set_window_ex_style(WS_EX_TOPMOST | WS_EX_NOACTIVATE);
}
MenuHostWin::~MenuHostWin() {
}
void MenuHostWin::InitMenuHost(HWND parent,
const gfx::Rect& bounds,
View* contents_view,
bool do_capture) {
WidgetWin::Init(parent, bounds);
SetContentsView(contents_view);
ShowMenuHost(do_capture);
}
bool MenuHostWin::IsMenuHostVisible() {
return IsVisible();
}
void MenuHostWin::ShowMenuHost(bool do_capture) {
// We don't want to take focus away from the hosting window.
ShowWindow(SW_SHOWNA);
if (do_capture)
DoCapture();
}
void MenuHostWin::HideMenuHost() {
// Make sure we release capture before hiding.
ReleaseMenuHostCapture();
WidgetWin::Hide();
}
void MenuHostWin::DestroyMenuHost() {
HideMenuHost();
destroying_ = true;
CloseNow();
}
void MenuHostWin::SetMenuHostBounds(const gfx::Rect& bounds) {
SetBounds(bounds);
}
void MenuHostWin::ReleaseMenuHostCapture() {
if (owns_capture_) {
owns_capture_ = false;
::ReleaseCapture();
}
}
gfx::NativeWindow MenuHostWin::GetMenuHostWindow() {
return GetNativeView();
}
void MenuHostWin::OnDestroy() {
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();
}
WidgetWin::OnDestroy();
}
void MenuHostWin::OnCaptureChanged(HWND hwnd) {
WidgetWin::OnCaptureChanged(hwnd);
owns_capture_ = false;
}
void MenuHostWin::OnCancelMode() {
submenu_->GetMenuItem()->GetMenuController()->Cancel(
MenuController::EXIT_ALL);
}
RootView* MenuHostWin::CreateRootView() {
return new MenuHostRootView(this, submenu_);
}
bool MenuHostWin::ReleaseCaptureOnMouseReleased() {
return false;
}
void MenuHostWin::DoCapture() {
owns_capture_ = true;
SetNativeCapture();
}
} // namespace views
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