dynamicssettings.h

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/* @@@LICENSE
*
*      Copyright (c) 2010-2012 Hewlett-Packard Development Company, L.P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* LICENSE@@@ */




#ifndef DYNAMICSSETTINGS_H_
#define DYNAMICSSETTINGS_H_

#include "Common.h"

#include <glib.h>
#include <QEasingCurve>
#include <QtGlobal>

namespace IconAnimationType
{
        enum Enum
        {
                INVALID,
                Fade
        };
}

class DynamicsSettings
{
public:

        quint32 snapbackAnimTime;
        QEasingCurve snapbackAnimCurve;

        quint32 iconReorderSampleRate;
        quint32 maxVelocityForSampling;
        quint32 timeNormalizationUnit;
        quint32 distanceMagFactor;

        quint32 iconReorderIconMoveAnimTime;
        QEasingCurve iconReorderIconMoveAnimCurve;
        bool    alwaysWaitForIconReorderAnimToFinish;

        bool    iconReorderTrackedIconUseDistanceBasedAnimTime;
        quint32 iconReorderTrackedIconMinAnimTime;                                      

        bool    alphaIconMoveTrackedIconUseAnimation;
        IconAnimationType::Enum alphaIconMoveTrackedIconAnimType;
        QEasingCurve alphaIconMoveTrackedIconAnimCurve;
        quint32 alphaIconMoveTrackedIconAnimTime;

        quint32 pageScrollDelayMs;

        //TODO: TEMP: temporarily in place to avoid having to immediately implement and solve a bigger problem of determining, dynamically, the right amount
        //                              to scroll vertically when an icon is being reordered and pulled to the top or bottom page border.
        //                              This temp impl. will work as long as the row sizes are uniform (and the spacings between). It should be set to approx 1x row height + inter-row space
        quint32 pageScrollAmount;
        quint32 pageScrollAnimTime;

        quint32 pagePanForIconMoveDelayMs;

        qreal   iconInstallModeOpacity;         //when the app is installing/updating/failed, this is the opacity of the main icon painted

        quint32 appInfoDialogFadeInTime;
        quint32 appInfoDialogFadeOutTime;

        quint32 launchFeedbackTimeout;

public:
        static DynamicsSettings* DiUiDynamics() {

                if (G_UNLIKELY(s_instance == 0))
                        new DynamicsSettings;

                return s_instance;
        }

        static DynamicsSettings* settings() {
                return DiUiDynamics();
        }

        static IconAnimationType::Enum animName2Type(const QString& name);
        static QString animType2Name(IconAnimationType::Enum a);

private:

        static DynamicsSettings* s_instance;

private:

        DynamicsSettings();
        ~DynamicsSettings();

        void readSettings(const char* filePath);
        void verify();

};

// -------------------------------------------------------------------------------------------------------------

#define AS_CURVE(x) (static_cast<QEasingCurve::Type>(AnimationSettings::instance()->x))

#endif /* ANIMATIONSETTINGS_H */