/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not,

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*

*/

#ifndef CHROMEWIDGETJSOBJECT_H_

#define CHROMEWIDGETJSOBJECT_H_

#include <QObject>

#include <QUrl>

#include "ChromeLayout.h"

#include "ChromeWidget.h"

#include "ChromeEffect.h"

// Comment out this define to disable logging via javascript.

#define ENABLE_LOG

namespace GVA {

/*!

 * \defgroup JavascriptAPI Javascript API objects.

 * All classes in this group provide Javascript API access to the underlying

 * C++ classes in the browser via their public slots, signals and properties.

 */

/*! \ingroup JavascriptAPI

 * \brief Javascript API wrapper for ChromeWidget.

 *

 * Javascript object name: "chrome".

 *

 * Example javascript code to connect the chromeComplete signal:

 * \code

 * chrome.chromeComplete.connect(function() {

 *    app.debug("chrome complete");

 *    }

 * );

 * \endcode

 * \sa ChromeWidget

 */

class ChromeWidgetJSObject : public QObject {

  Q_OBJECT

public:

  ChromeWidgetJSObject(QObject *parent, ChromeWidget *chromeWidget);

public slots:

  int width() { return m_chromeWidget->layout()->size().width(); }

  void alert(const QString & msg) { m_chromeWidget->alert(msg); }

  qreal slideView(qreal delta) { return m_chromeWidget->layout()->slideView(delta); }

  void chromeInitialized() { m_chromeWidget->chromeInitialized(); }

  void reloadChrome() { m_chromeWidget->reloadChrome(); }

  void loadUrlToCurrentPage(const QString & url) { m_chromeWidget->loadUrlToCurrentPage(url); }

  void updateChromeLayout() { m_chromeWidget->updateChromeLayout(); }

#ifdef ENABLE_LOG

  /// Write string \a msg to log file "c:\Data\GinebraLog.txt".

  void log(const QString msg);

#endif

signals:

  void chromeComplete();

  void aspectChanged(int aspect);

  void prepareForGeometryChange();

  //NB: This should be symbian ifdef'd but that would require symbian-specific chrome

  void symbianCarriageReturn();

  void popupShown(const QString &id);

  void popupHidden(const QString &id);

public:

  /// Returns a list of all existing snippets.

  QObjectList getSnippets() { return m_chromeWidget->getSnippets(); }

  Q_PROPERTY(QObjectList snippets READ getSnippets)

  /// \brief Returns either "portrait" or "landscape".

  QString getDisplayMode() const { return m_chromeWidget->layout()->getDisplayMode(); }

  Q_PROPERTY(QString displayMode READ getDisplayMode)

  QObject* getDisplaySize() const { return m_chromeWidget->getDisplaySize(); }

  Q_PROPERTY(QObject* displaySize READ getDisplaySize)

  /// Returns the path to the chrome directory.  Ex: "chrome/bedrockchrome".

  QString getBaseDirectory() const { return m_chromeWidget->getBaseDirectory(); }

  Q_PROPERTY(QString baseDirectory READ getBaseDirectory)

  /*! The color applied to disabled chrome snippets and views.

   * \sa disabledOpacity

   */

  Q_PROPERTY(QString disabledColor READ disabledColor WRITE setDisabledColor)

  QString disabledColor() const { return ChromeEffect::disabledColor.name(); }

  void setDisabledColor(const QString &value) { ChromeEffect::disabledColor.setNamedColor(value); }

  /*! The opacity of the color applied to disabled chrome snippets and views.

   * \sa disabledColor

   */

  Q_PROPERTY(qreal disabledOpacity READ disabledOpacity WRITE setDisabledOpacity)

  qreal disabledOpacity() const { return ChromeEffect::disabledOpacity; }

  void setDisabledOpacity(const qreal &value) { ChromeEffect::disabledOpacity = value; }

protected:

#ifdef ENABLE_LOG

  QString getLogPath();

  void initLogFile();

#endif

private:

  ChromeWidget *m_chromeWidget;

};

}

#endif /* CHROMEWIDGETJSOBJECT_H_ */