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- // VirtualDub - Video processing and capture application
- // System library component
- // Copyright (C) 1998-2004 Avery Lee, All Rights Reserved.
- //
- // Beginning with 1.6.0, the VirtualDub system library is licensed
- // differently than the remainder of VirtualDub. This particular file is
- // thus licensed as follows (the "zlib" license):
- //
- // This software is provided 'as-is', without any express or implied
- // warranty. In no event will the authors be held liable for any
- // damages arising from the use of this software.
- //
- // Permission is granted to anyone to use this software for any purpose,
- // including commercial applications, and to alter it and redistribute it
- // freely, subject to the following restrictions:
- //
- // 1. The origin of this software must not be misrepresented; you must
- // not claim that you wrote the original software. If you use this
- // software in a product, an acknowledgment in the product
- // documentation would be appreciated but is not required.
- // 2. Altered source versions must be plainly marked as such, and must
- // not be misrepresented as being the original software.
- // 3. This notice may not be removed or altered from any source
- // distribution.
-
- #ifndef f_SYSTEM_PROGRESS_H
- #define f_SYSTEM_PROGRESS_H
-
- #include <vd2/system/error.h>
-
- class VDAtomicInt;
- class VDSignalPersistent;
-
- class IProgress {
- public:
- virtual void Error(const char *)=0;
- virtual void Warning(const char *)=0;
- virtual bool Query(const char *query, bool fDefault)=0;
- virtual void ProgressStart(const char *text, const char *caption, const char *progtext, long lMax)=0;
- virtual void ProgressAdvance(long)=0;
- virtual void ProgressEnd()=0;
- virtual void Output(const char *text)=0;
- virtual VDAtomicInt *ProgressGetAbortFlag()=0;
- virtual VDSignalPersistent *ProgressGetAbortSignal()=0;
- };
-
-
- void ProgressSetHandler(IProgress *pp);
- IProgress *ProgressGetHandler();
-
- bool ProgressCheckAbort();
- void ProgressSetAbort(bool bNewValue);
- VDSignalPersistent *ProgressGetAbortSignal();
- void ProgressError(const class MyError&);
- void ProgressWarning(const char *format, ...);
- void ProgressOutput(const char *format, ...);
- bool ProgressQuery(bool fDefault, const char *format, ...);
- void ProgressStart(long lMax, const char *caption, const char *progresstext, const char *format, ...);
- void ProgressAdvance(long lNewValue);
- void ProgressEnd();
-
-
- class VDProgress {
- public:
- VDProgress(long lMax, const char *caption, const char *progresstext, const char *format, ...) {
- ProgressStart(lMax, caption, progresstext, format);
- }
-
- ~VDProgress() {
- ProgressEnd();
- }
-
- void advance(long v) {
- ProgressAdvance(v);
- }
- };
-
- class VDProgressAbortable {
- public:
- VDProgressAbortable(long lMax, const char *caption, const char *progresstext, const char *format, ...) {
- ProgressStart(lMax, caption, progresstext, format);
- ProgressSetAbort(false);
- }
-
- ~VDProgressAbortable() {
- ProgressEnd();
- }
-
- void advance(long v) {
- if (ProgressCheckAbort())
- throw MyUserAbortError();
- ProgressAdvance(v);
- }
- };
-
- #endif
-