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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsMenuBarFrame.h"
#include "mozilla/BasicEvents.h"
#include "nsIContent.h"
#include "nsAtom.h"
#include "nsPresContext.h"
#include "nsCSSRendering.h"
#include "nsNameSpaceManager.h"
#include "nsGkAtoms.h"
#include "nsMenuPopupFrame.h"
#include "nsUnicharUtils.h"
#include "nsPIDOMWindow.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsCSSFrameConstructor.h"
#ifdef XP_WIN
# include "nsISound.h"
# include "nsWidgetsCID.h"
#endif
#include "nsUTF8Utils.h"
#include "mozilla/ComputedStyle.h"
#include "mozilla/PresShell.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/XULMenuParentElement.h"
#include "mozilla/dom/XULButtonElement.h"
using namespace mozilla;
//
// NS_NewMenuBarFrame
//
// Wrapper for creating a new menu Bar container
//
nsIFrame* NS_NewMenuBarFrame(PresShell* aPresShell, ComputedStyle* aStyle) {
return new (aPresShell) nsMenuBarFrame(aStyle, aPresShell->GetPresContext());
}
NS_IMPL_FRAMEARENA_HELPERS(nsMenuBarFrame)
NS_QUERYFRAME_HEAD(nsMenuBarFrame)
NS_QUERYFRAME_ENTRY(nsMenuBarFrame)
NS_QUERYFRAME_TAIL_INHERITING(nsBoxFrame)
//
// nsMenuBarFrame cntr
//
nsMenuBarFrame::nsMenuBarFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext)
: nsBoxFrame(aStyle, aPresContext, kClassID) {}
void nsMenuBarFrame::Init(nsIContent* aContent, nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) {
nsBoxFrame::Init(aContent, aParent, aPrevInFlow);
// Create the menu bar listener.
mMenuBarListener = new nsMenuBarListener(this, aContent);
}
dom::XULMenuParentElement& nsMenuBarFrame::MenubarElement() const {
auto* content = dom::XULMenuParentElement::FromNode(GetContent());
MOZ_DIAGNOSTIC_ASSERT(content);
return *content;
}
MOZ_CAN_RUN_SCRIPT void nsMenuBarFrame::SetActive(bool aActiveFlag) {
// If the activity is not changed, there is nothing to do.
if (mIsActive == aActiveFlag) {
return;
}
if (!aActiveFlag) {
// If there is a request to deactivate the menu bar, check to see whether
// there is a menu popup open for the menu bar. In this case, don't
// deactivate the menu bar.
if (auto* activeChild = MenubarElement().GetActiveMenuChild()) {
if (activeChild->IsMenuPopupOpen()) {
return;
}
}
}
mIsActive = aActiveFlag;
if (mIsActive) {
InstallKeyboardNavigator();
} else {
mActiveByKeyboard = false;
RemoveKeyboardNavigator();
}
RefPtr menubar = &MenubarElement();
if (!aActiveFlag) {
menubar->SetActiveMenuChild(nullptr);
}
constexpr auto active = u"DOMMenuBarActive"_ns;
constexpr auto inactive = u"DOMMenuBarInactive"_ns;
FireDOMEvent(aActiveFlag ? active : inactive, menubar);
}
void nsMenuBarFrame::InstallKeyboardNavigator() {
if (nsXULPopupManager* pm = nsXULPopupManager::GetInstance()) {
pm->SetActiveMenuBar(this, true);
}
}
void nsMenuBarFrame::MenuClosed() { SetActive(false); }
void nsMenuBarFrame::HandleEnterKeyPress(WidgetEvent& aEvent) {
if (RefPtr<dom::XULButtonElement> activeChild =
MenubarElement().GetActiveMenuChild()) {
activeChild->HandleEnterKeyPress(aEvent);
}
}
void nsMenuBarFrame::RemoveKeyboardNavigator() {
if (!mIsActive) {
if (nsXULPopupManager* pm = nsXULPopupManager::GetInstance()) {
pm->SetActiveMenuBar(this, false);
}
}
}
void nsMenuBarFrame::DestroyFrom(nsIFrame* aDestructRoot,
PostDestroyData& aPostDestroyData) {
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm) pm->SetActiveMenuBar(this, false);
mMenuBarListener->OnDestroyMenuBarFrame();
mMenuBarListener = nullptr;
nsBoxFrame::DestroyFrom(aDestructRoot, aPostDestroyData);
}
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