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Viewing changes to activecontentservice/activecontentservice.cpp

  • Committer: Package Import Robot
  • Author(s): Jonathan Riddell
  • Date: 2013-09-17 11:30:06 UTC
  • mfrom: (1.1.2)
  • Revision ID: package-import@ubuntu.com-20130917113006-5ohj8qt9kuf3izma
Tags: 1:0.4-0ubuntu1
https://launchpad.net/bugs/1227602
* New upstream release LP: #1227602
* Use epoch to reset version number in line with upstream
* Add build-dep on nepomuk-core-dev

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activecontentservice/activecontentservice.cpp
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/*
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 *   Copyright 2011 by Aaron Seigo <aseigo@kde.org>
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 *
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 *   This program is free software; you can redistribute it and/or modify
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 *   it under the terms of the GNU Library General Public License as
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 *   published by the Free Software Foundation; either version 2, or
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 *   (at your option) any later version.
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 *
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 *   This program is distributed in the hope that it will be useful,
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *   GNU Library General Public License for more details
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 *
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 *   You should have received a copy of the GNU Library General Public
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 *   License along with this program; if not, write to the
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 *   Free Software Foundation, Inc.,
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 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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 */
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#include "activecontentservice.h"
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#include <QDBusConnection>
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#include <QDBusConnectionInterface>
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#include <QWeakPointer>
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#include <KWindowSystem>
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#include "activecontentdbusinterface_p.h"
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namespace ActiveContent
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{
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static const QString SERVICE_NAME("org.kde.activeServiceContent");
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class ActiveContentService::Private
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{
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public:
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    Private(ActiveContentService *obj)
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        : q(obj),
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          active(false)
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    {
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    }
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    void activeWindowChanged(WId wid);
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    ActiveContentService *q;
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    ActiveContent content;
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    bool active;
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    static QWeakPointer<ActiveContentDBusInterface> interface;
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};
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QWeakPointer<ActiveContentDBusInterface> ActiveContentService::Private::interface;
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ActiveContentService::ActiveContentService(const ActiveContent &content, QObject *parent)
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    : QObject(parent),
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      d(new Private(this))
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{
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    setActiveContent(content);
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}
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ActiveContentService::ActiveContentService(QObject *parent)
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    : QObject(parent),
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      d(new Private(this))
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{
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}
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ActiveContentService::~ActiveContentService()
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{
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    delete d;
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}
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void ActiveContentService::setActive(bool active)
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{
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    const bool isActive = d->interface && d->interface.data()->current() == this;
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    if (isActive == active) {
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        return;
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    }
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    if (active) {
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        if (!d->interface) {
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            d->interface = new ActiveContentDBusInterface;
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        }
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        d->interface.data()->setCurrent(this);
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        QDBusConnection::sessionBus().interface()->registerService(SERVICE_NAME,
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                                                                   QDBusConnectionInterface::ReplaceExistingService,
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                                                                   QDBusConnectionInterface::AllowReplacement);
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    } else if (isActive) {
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        QDBusConnection::sessionBus().interface()->unregisterService(SERVICE_NAME);
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        if (d->interface) {
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            d->interface.data()->setCurrent(0);
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        }
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    }
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}
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bool ActiveContentService::isActive() const
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{
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    return d->active;
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}
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void ActiveContentService::setActiveContent(const ActiveContent &content)
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{
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    const bool hadWindow = d->content.windowId();
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    d->content = content;
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    if (d->content.windowId()) {
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        connect(KWindowSystem::self(), SIGNAL(activeWindowChanged(WId)),
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                this, SLOT(activeWindowChanged(WId)), Qt::UniqueConnection);
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        d->activeWindowChanged(KWindowSystem::activeWindow());
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    } else if (hadWindow) {
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        disconnect(KWindowSystem::self(), SIGNAL(activeWindowChanged(WId)),
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                   this, SLOT(activeWindowChanged(WId)));
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        setActive(false);
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    } else {
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        // base it on the URL having something useful in it
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        setActive(d->content.url().isValid());
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    }
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}
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ActiveContent ActiveContentService::activeContent() const
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{
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    return d->content;
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}
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void ActiveContentService::Private::activeWindowChanged(WId wid)
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{
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    q->setActive(content.windowId() == wid);
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}
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} // namespace ActiveContent
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#include "activecontentservice.moc"
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