EmergencyWindowManager.h

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/* @@@LICENSE
*
*      Copyright (c) 2009-2012 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 EMERGENCYWINDOWMANAGER_H
#define EMERGENCYWINDOWMANAGER_H

#include "Common.h"

#include "WindowManagerBase.h"
#include "GraphicsItemContainer.h"

#include <QGraphicsPixmapItem>
#include <QGraphicsSceneMouseEvent>
#include <QPointer>
#include <QPropertyAnimation>

class EmergencyWindowManager : public WindowManagerBase
{
        Q_OBJECT

public:

        EmergencyWindowManager(int maxWidth, int maxHeight);
        virtual ~EmergencyWindowManager();

        virtual void addWindow(Window* win);
        virtual void removeWindow(Window* win);
        virtual void focusWindow(Window* win);

        bool okToResize();
        void resize(int width, int height);

    virtual bool handleNavigationEvent(QKeyEvent* keyEvent, bool& propogate);

protected:

        // eat up events if the window is active
        virtual void mousePressEvent(QGraphicsSceneMouseEvent* event);
        virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event);

        virtual bool sceneEvent(QEvent* event);

private Q_SLOTS:

        void slotPositiveSpaceChanged(const QRect& r);
        void slotIncomingPhoneCall();
        void fadeAnimationFinished();
        void slotHomeButtonPressed();
        void slotEmergencyModeWindowFocusChange(bool enable);
        void slotUiRotationCompleted();
private:

        virtual void init();

        void positionCornerWindows();
        void showCornerWindows();
        void hideCornerWindows();

    bool emergencyWindowBeingDeleted() const;
        
private:
        
        Window* m_emergencyWindow;
        QGraphicsPixmapItem* m_corners[4];
        GraphicsItemContainer* m_cornerContainer;
        QRectF m_winRect;
        QPointer<QPropertyAnimation> m_opacityAnimPtr;
};

#endif /* EMERGENCYWINDOWMANAGER_H */