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path: root/widget/gtk/nsMenuSeparator.cpp
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/* 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 "mozilla/Assertions.h"
#include "mozilla/Move.h"
#include "nsAutoPtr.h"
#include "nsCRT.h"
#include "nsGkAtoms.h"
#include "nsStyleContext.h"

#include "nsDbusmenu.h"

#include "nsMenuContainer.h"
#include "nsMenuSeparator.h"

using namespace mozilla;

void
nsMenuSeparator::InitializeNativeData() {
    dbusmenu_menuitem_property_set(GetNativeData(),
                                   DBUSMENU_MENUITEM_PROP_TYPE,
                                   "separator");
}

void
nsMenuSeparator::Update(nsStyleContext* aContext) {
    UpdateVisibility(aContext);
}

bool
nsMenuSeparator::IsCompatibleWithNativeData(DbusmenuMenuitem* aNativeData) const {
    return nsCRT::strcmp(dbusmenu_menuitem_property_get(aNativeData,
                                                        DBUSMENU_MENUITEM_PROP_TYPE),
                         "separator") == 0;
}

nsMenuObject::PropertyFlags
nsMenuSeparator::SupportedProperties() const {
    return static_cast<nsMenuObject::PropertyFlags>(
        nsMenuObject::ePropVisible |
        nsMenuObject::ePropType
    );
}

void
nsMenuSeparator::OnAttributeChanged(nsIContent* aContent, nsIAtom* aAttribute) {
    MOZ_ASSERT(aContent == ContentNode(), "Received an event that wasn't meant for us!");

    if (!Parent()->IsBeingDisplayed()) {
        return;
    }

    if (aAttribute == nsGkAtoms::hidden ||
        aAttribute == nsGkAtoms::collapsed) {
        RefPtr<nsStyleContext> sc = GetStyleContext();
        UpdateVisibility(sc);
    }
}

nsMenuSeparator::nsMenuSeparator(nsMenuContainer* aParent,
                                 nsIContent* aContent) :
    nsMenuObject(aParent, aContent) {
    MOZ_COUNT_CTOR(nsMenuSeparator);
}

nsMenuSeparator::~nsMenuSeparator() {
    MOZ_COUNT_DTOR(nsMenuSeparator);
}

nsMenuObject::EType
nsMenuSeparator::Type() const {
    return eType_MenuItem;
}