86 lines
3 KiB
C++
86 lines
3 KiB
C++
#ifndef __playlist_picker__
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#define __playlist_picker__
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/*
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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*/
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#include "PLDoubleLinkedList.h"
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#include "SimplePlayListElement.h"
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#include "OSHeaders.h"
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#include "NoRepeat.h"
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class PlaylistPicker
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{
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public:
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enum { kMaxBuckets = 10 };
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PlaylistPicker(bool doLoop);
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PlaylistPicker( UInt32 numBuckets, UInt32 numNoRepeats );
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virtual ~PlaylistPicker();
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void CleanList();
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bool AddToList( const char *name, int weight );
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bool AddNode( PLDoubleLinkedListNode<SimplePlayListElement> *node );
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char* PickOne();
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char* LastPick() { return fLastPick; }
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UInt32 GetNumBuckets() { return mBuckets; }
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/* changed by emil@popwire.com (see relaod.txt for info) */
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UInt32 GetNumMovies() { return mNumToPickFrom; }
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bool mRemoveFlag;
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bool mStopFlag;
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/* ***************************************************** */
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SInt32* mPickCounts;
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SInt32 mNumToPickFrom;
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UInt32 mRecentMoviesListSize;
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char* fLastPick;
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PLDoubleLinkedList<SimplePlayListElement>* GetBucket( UInt32 myIndex ) { return mElementLists[myIndex]; }
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char* GetFirstFile() { return mFirstElement; }
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protected:
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bool mIsSequentialPicker; // picker picks sequentially?
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bool mIsSequentialLooping; // loop over and over?
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int mWhichSequentialBucket; // sequential picker picks from list0 or list1?
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UInt32 Random();
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UInt32 mLastResult;
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char* PickFromList( PLDoubleLinkedList<SimplePlayListElement>* list, UInt32 elementIndex );
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PLDoubleLinkedList<SimplePlayListElement>* mElementLists[kMaxBuckets];
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UInt32 mBuckets;
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NoRepeat *mUsedElements;
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char* mFirstElement;
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};
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#endif
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