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/*
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