/*
Open Tracker License

Terms and Conditions

Copyright (c) 1991-2000, Be Incorporated. All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice applies to all licensees
and shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of Be Incorporated shall not be
used in advertising or otherwise to promote the sale, use or other dealings in
this Software without prior written authorization from Be Incorporated.

Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks
of Be Incorporated in the United States and other countries. Other brand product
names are registered trademarks or trademarks of their respective holders.
All rights reserved.
*/
#ifndef _STATUS_WINDOW_H
#define _STATUS_WINDOW_H


#include <Bitmap.h>
#include <ObjectList.h>
#include <StatusBar.h>
#include <String.h>
#include <View.h>
#include <Window.h>


namespace BPrivate {


enum StatusWindowState {
        kCopyState,
        kMoveState,
        kDeleteState,
        kTrashState,
        kVolumeState,
        kCreateLinkState,
        kRestoreFromTrashState
};

class BStatusView;


class BStatusWindow : public BWindow {
public:
                                                                BStatusWindow();
        virtual                                         ~BStatusWindow();

                        void                            CreateStatusItem(thread_id,
                                                                        StatusWindowState);
                        void                            InitStatusItem(thread_id, int32 totalItems,
                                                                        off_t totalSize,
                                                                        const entry_ref* destDir = NULL,
                                                                        bool showCount = true);
                        void                            UpdateStatus(thread_id, const char* curItem,
                                                                        off_t itemSize, bool optional = false);
                                                                        // If true is passed in <optional> status
                                                                        // will only be updated if 0.2 seconds
                                                                        // elapsed since the last update
                        void                            RemoveStatusItem(thread_id);

                        bool                            CheckCanceledOrPaused(thread_id);

                        bool                            AttemptToQuit();
                                                                        // Called by the tracker app during quit
                                                                        // time, before inherited QuitRequested;
                                                                        // kills all the copy/move/empty trash
                                                                        // threads in a clean way by issuing a
                                                                        // cancel.
protected:
        virtual void                            WindowActivated(bool state);

private:
                        BObjectList<BStatusView> fViewList;
                        BMessageFilter*         fMouseDownFilter;

                        bool                            fRetainDesktopFocus;

                        typedef BWindow         _inherited;
};


class BStatusView : public BView {
public:
                                                                BStatusView(BRect frame, thread_id,
                                                                        StatusWindowState state);
        virtual                                         ~BStatusView();

                        void                            Init();

                        void                            InitStatus(int32 totalItems, off_t totalSize,
                                                                        const entry_ref* destDir, bool showCount);

        // BView overrides
        virtual void                            Draw(BRect updateRect);
        virtual void                            AttachedToWindow();
        virtual void                            MessageReceived(BMessage* message);

                        void                            UpdateStatus(const char* currentItem,
                                                                        off_t itemSize, bool optional = false);
                                                                        // If true is passed in <optional> status
                                                                        // will only be updated if 0.2 seconds
                                                                        // elapsed since the last update.

                        bool                            WasCanceled() const;
                        bool                            IsPaused() const;
                        thread_id                       Thread() const;

                        void                            SetWasCanceled();
                                                                        // called by AboutToQuit

private:
                        BString                         _DestinationString(float* _width);
                        BString                         _StatusString(float availableSpace,
                                                                        float fontSize, float* _width);

                        BString                         _SpeedStatusString(float availableSpace,
                                                                        float* _width);
                        BString                         _FullSpeedString();
                        BString                         _ShortSpeedString();

                        BString                         _TimeStatusString(float availableSpace,
                                                                        float* _width);
                        BString                         _ShortTimeRemainingString(const char* timeText);
                        BString                         _FullTimeRemainingString(time_t now,
                                                                        time_t finishTime, const char* timeText);

                        BStatusBar*                     fStatusBar;
                        off_t                           fTotalSize;
                        off_t                           fItemSize;
                        off_t                           fSizeProcessed;
                        off_t                           fLastSpeedReferenceSize;
                        off_t                           fEstimatedFinishReferenceSize;
                        int32                           fCurItem;
                        int32                           fType;
                        BBitmap*                        fBitmap;
                        BButton*                        fStopButton;
                        BButton*                        fPauseButton;
                        thread_id                       fThread;
                        bigtime_t                       fLastUpdateTime;
                        bigtime_t                       fLastSpeedReferenceTime;
                        bigtime_t                       fProcessStartTime;
                        bigtime_t                       fLastSpeedUpdateTime;
                        bigtime_t                       fEstimatedFinishReferenceTime;
        static  const size_t            kBytesPerSecondSlots = 10;
                        size_t                          fCurrentBytesPerSecondSlot;
                        double                          fBytesPerSecondSlot[kBytesPerSecondSlots];
                        double                          fBytesPerSecond;
                        bool                            fShowCount;
                        bool                            fWasCanceled;
                        bool                            fIsPaused;
                        BString                         fDestDir;
                        char                            fPendingStatusString[128];

                        typedef BView           _inherited;
};


inline bool
BStatusView::IsPaused() const
{
        return fIsPaused;
}


inline bool
BStatusView::WasCanceled() const
{
        return fWasCanceled;
}


inline thread_id
BStatusView::Thread() const
{
        return fThread;
}


extern BStatusWindow* gStatusWindow;


} // namespace BPrivate

using namespace BPrivate;


#endif // _STATUS_WINDOW_H