/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
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** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qquickwebenginescript_p.h"
#include "qquickwebenginescript_p_p.h"

#include <QtCore/QStringBuilder>
#include <QtCore/QTimerEvent>
#include "user_script_controller_host.h"

using QtWebEngineCore::UserScript;

QQuickWebEngineScript::QQuickWebEngineScript()
    : d_ptr(new QQuickWebEngineScriptPrivate)
{
    d_ptr->q_ptr = this;
}

QQuickWebEngineScript::~QQuickWebEngineScript()
{
}

QString QQuickWebEngineScript::toString() const
{
    Q_D(const QQuickWebEngineScript);
    if (d->coreScript.isNull())
        return QStringLiteral("QWebEngineScript()");
    QString ret = QStringLiteral("QWebEngineScript(") % d->coreScript.name() % QStringLiteral(", ");
    switch (d->coreScript.injectionPoint()) {
    case UserScript::DocumentElementCreation:
        ret.append(QStringLiteral("WebEngineScript::DocumentCreation, "));
        break;
    case UserScript::DocumentLoadFinished:
        ret.append(QStringLiteral("WebEngineScript::DocumentReady, "));
        break;
    case UserScript::AfterLoad:
        ret.append(QStringLiteral("WebEngineScript::Deferred, "));
        break;
    }
    ret.append(QString::number(d->coreScript.worldId()) % QStringLiteral(", ")
               % (d->coreScript.runsOnSubFrames() ? QStringLiteral("true") : QStringLiteral("false"))
               % QStringLiteral(", ") % d->coreScript.sourceCode() % QLatin1Char(')'));
    return ret;
}

QString QQuickWebEngineScript::name() const
{
    Q_D(const QQuickWebEngineScript);
    return d->coreScript.name();
}


QString QQuickWebEngineScript::sourceCode() const
{
    Q_D(const QQuickWebEngineScript);
    return d->coreScript.sourceCode();
}

ASSERT_ENUMS_MATCH(QQuickWebEngineScript::Deferred, UserScript::AfterLoad)
ASSERT_ENUMS_MATCH(QQuickWebEngineScript::DocumentReady, UserScript::DocumentLoadFinished)
ASSERT_ENUMS_MATCH(QQuickWebEngineScript::DocumentCreation, UserScript::DocumentElementCreation)

QQuickWebEngineScript::InjectionPoint QQuickWebEngineScript::injectionPoint() const
{
    Q_D(const QQuickWebEngineScript);
    return static_cast<QQuickWebEngineScript::InjectionPoint>(d->coreScript.injectionPoint());
}


QQuickWebEngineScript::ScriptWorldId QQuickWebEngineScript::worldId() const
{
    Q_D(const QQuickWebEngineScript);
    return static_cast<QQuickWebEngineScript::ScriptWorldId>(d->coreScript.worldId());
}


bool QQuickWebEngineScript::runOnSubframes() const
{
    Q_D(const QQuickWebEngineScript);
    return d->coreScript.runsOnSubFrames();
}


void QQuickWebEngineScript::setName(QString arg)
{
    Q_D(QQuickWebEngineScript);
    if (arg == name())
        return;
    d->aboutToUpdateUnderlyingScript();
    d->coreScript.setName(arg);
    Q_EMIT nameChanged(arg);
}

void QQuickWebEngineScript::setSourceCode(QString arg)
{
    Q_D(QQuickWebEngineScript);
    if (arg == sourceCode())
        return;
    d->aboutToUpdateUnderlyingScript();
    d->coreScript.setSourceCode(arg);
    Q_EMIT sourceCodeChanged(arg);
}

void QQuickWebEngineScript::setInjectionPoint(QQuickWebEngineScript::InjectionPoint arg)
{
    Q_D(QQuickWebEngineScript);
    if (arg == injectionPoint())
        return;
    d->aboutToUpdateUnderlyingScript();
    d->coreScript.setInjectionPoint(static_cast<UserScript::InjectionPoint>(arg));
    Q_EMIT injectionPointChanged(arg);
}


void QQuickWebEngineScript::setWorldId(QQuickWebEngineScript::ScriptWorldId arg)
{
    Q_D(QQuickWebEngineScript);
    if (arg == worldId())
        return;
    d->aboutToUpdateUnderlyingScript();
    d->coreScript.setWorldId(arg);
    Q_EMIT worldIdChanged(arg);
}


void QQuickWebEngineScript::setRunOnSubframes(bool arg)
{
    Q_D(QQuickWebEngineScript);
    if (arg == runOnSubframes())
        return;
    d->aboutToUpdateUnderlyingScript();
    d->coreScript.setRunsOnSubFrames(arg);
    Q_EMIT runOnSubframesChanged(arg);
}

void QQuickWebEngineScript::timerEvent(QTimerEvent *e)
{
    Q_D(QQuickWebEngineScript);
    if (e->timerId() != d->m_basicTimer.timerId()) {
        QObject::timerEvent(e);
        return;
    }
    if (!d->m_controllerHost)
        return;
    d->m_basicTimer.stop();
    d->m_controllerHost->addUserScript(d->coreScript, d->m_adapter);
}

void QQuickWebEngineScriptPrivate::bind(QtWebEngineCore::UserScriptControllerHost *scriptController, QtWebEngineCore::WebContentsAdapter *adapter)
{
    aboutToUpdateUnderlyingScript();
    m_adapter = adapter;
    m_controllerHost = scriptController;
}

QQuickWebEngineScriptPrivate::QQuickWebEngineScriptPrivate()
    :m_controllerHost(0)
    , m_adapter(0)

{
}

void QQuickWebEngineScriptPrivate::aboutToUpdateUnderlyingScript()
{
    Q_Q(QQuickWebEngineScript);
    if (m_controllerHost)
        m_controllerHost->removeUserScript(coreScript, m_adapter);
   // Defer updates to the next event loop
   m_basicTimer.start(0, q);
}