2
+ − 1 /*
+ − 2 * Copyright (c) 2007-2010 Sebastian Brannstrom, Lars Persson, EmbedDev AB
+ − 3 *
+ − 4 * All rights reserved.
+ − 5 * This component and the accompanying materials are made available
+ − 6 * under the terms of the License "Eclipse Public License v1.0"
+ − 7 * which accompanies this distribution, and is available
+ − 8 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ − 9 *
+ − 10 * Initial Contributors:
+ − 11 * EmbedDev AB - initial contribution.
+ − 12 *
+ − 13 * Contributors:
+ − 14 *
+ − 15 * Description:
+ − 16 *
+ − 17 */
+ − 18
+ − 19 #ifndef FEEDENGINE_H_
+ − 20 #define FEEDENGINE_H_
+ − 21
+ − 22 #include "HttpClientObserver.h"
+ − 23 #include "HttpClient.h"
+ − 24 #include "FeedParser.h"
+ − 25 #include "FeedInfo.h"
+ − 26 #include "ShowInfo.h"
+ − 27 #include <e32cmn.h>
+ − 28 #include "Constants.h"
+ − 29 #include "FeedEngineObserver.h"
+ − 30 #include "FeedTimer.h"
116
+ − 31 #include <sqlite3.h>
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+ − 32
+ − 33 class CPodcastModel;
+ − 34 class COpmlParser;
+ − 35
+ − 36 _LIT(KOpmlFeed, " <outline title=\"%S\" description=\"%S\" xmlUrl=\"%S\" htmlUrl=\"%S\"/>");
+ − 37 _LIT(KOpmlHeader, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<opml version=\"1.1\" xmlns:podcastSearch=\"http://digitalpodcast.com/podcastsearchservice/output_specs.html\">\n<head>\n <title>Podcast Feed List</title>\n</head>\n<body>\n <outline>");
+ − 38 _LIT(KOpmlFooter, " </outline>\n</body>\n</opml>");
+ − 39
+ − 40 _LIT(KSearchUrl, "http://www.digitalpodcast.com/podcastsearchservice/v2b/search/?appid=SymbianPodcatcher&keywords=%S&format=rssopml&sort=rel&searchsource=all&contentfilter=noadult&start=0&results=20");
+ − 41 _LIT(KSearchResultsFileName, "searchresults.opml");
+ − 42
+ − 43 const TInt KMaxUidBufLen = 20;
+ − 44 const TInt KMaxTitleLength = 512;
+ − 45 const TInt KMaxDescriptionLength = 1024;
+ − 46 const TInt KMaxURLLength = 512;
+ − 47 const TInt KMaxLineLength = 4096;
+ − 48 const TInt KMaxSearchString = 30;
+ − 49
+ − 50 enum TClientState {
+ − 51 EIdle,
+ − 52 EUpdatingFeed,
+ − 53 EUpdatingImage,
+ − 54 ESearching
+ − 55 };
+ − 56
+ − 57 class CFeedEngine : public CBase, public MHttpClientObserver, public MFeedParserObserver
+ − 58 {
+ − 59 public:
+ − 60 static CFeedEngine* NewL(CPodcastModel& aPodcastModel);
+ − 61 virtual ~CFeedEngine();
+ − 62
+ − 63 public:
+ − 64 IMPORT_C TBool AddFeedL(const CFeedInfo& item);
+ − 65 IMPORT_C void ImportFeedsL(const TDesC& aFile);
+ − 66 IMPORT_C TBool ExportFeedsL(TFileName& aFile);
+ − 67 IMPORT_C void RemoveFeedL(TUint aUid);
+ − 68 IMPORT_C TBool UpdateFeedL(TUint aFeedUid);
+ − 69 IMPORT_C void UpdateAllFeedsL(TBool aAutoUpdate = EFalse);
+ − 70 IMPORT_C void CancelUpdateAllFeeds();
+ − 71 IMPORT_C const RFeedInfoArray& GetSortedFeeds();
+ − 72 IMPORT_C CFeedInfo* GetFeedInfoByUid(TUint aFeedUid);
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+ − 73 IMPORT_C void GetStatsByFeedL(TUint aFeedUid, TUint &aNumShows, TUint &aNumUnplayed);
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+ − 74
+ − 75 IMPORT_C void AddObserver(MFeedEngineObserver *observer);
+ − 76 IMPORT_C void RemoveObserver(MFeedEngineObserver *observer);
+ − 77
+ − 78 void RunFeedTimer();
+ − 79
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+ − 80 IMPORT_C void UpdateFeedInfoL(CFeedInfo *aItem);
2
+ − 81 /**
+ − 82 * Returns the current internal state of the feed engine4
+ − 83 */
+ − 84 IMPORT_C TClientState ClientState();
+ − 85
+ − 86 /**
+ − 87 * Returns the current updating client UID if clientstate is != ENotUpdateing
+ − 88 * @return TUint
+ − 89 */
+ − 90 IMPORT_C TUint ActiveClientUid();
+ − 91
+ − 92 IMPORT_C void SearchForFeedL(TDesC& aSearchString);
+ − 93 IMPORT_C void AddSearchResultL(CFeedInfo *item);
+ − 94 IMPORT_C const RFeedInfoArray& GetSearchResults();
+ − 95
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+ − 96 IMPORT_C void OpmlParsingCompleteL(TInt aError, TUint aNumFeedsAdded);
93
bbf5c5204844
We always build the static version of sqlite for now. Further improvements for signaling when icons has been generated so these can be used in the feedview
Lars Persson <lars.persson@embeddev.se>
diff
changeset
+ − 97 void NotifyFeedUpdateComplete(TInt aFeedUid, TInt aError);
2
+ − 98 protected:
+ − 99
+ − 100 static TInt CompareFeedsByTitle(const CFeedInfo &a, const CFeedInfo &b);
+ − 101
+ − 102 private:
+ − 103 void ConstructL();
+ − 104 CFeedEngine(CPodcastModel& aPodcastModel);
+ − 105
+ − 106 // from HttpClientObserver
+ − 107 void Connected(CHttpClient* aClient);
+ − 108 void Disconnected(CHttpClient* aClient);
+ − 109 void Progress(CHttpClient* aHttpClient, TInt aBytes, TInt aTotalBytes);
+ − 110 void DownloadInfo(CHttpClient* aClient, TInt aSize);
+ − 111 void CompleteL(CHttpClient* aClient, TInt aError);
+ − 112 void FileError(TUint /*aError*/) { }
+ − 113 // from FeedParser
+ − 114 void NewShowL(CShowInfo& aItem);
+ − 115 void ParsingCompleteL(CFeedInfo *aItem);
+ − 116
+ − 117 void GetFeedImageL(CFeedInfo *aFeedInfo);
+ − 118
+ − 119 void UpdateNextFeedL();
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+ − 120 void NotifyOpmlParsingCompleteL(TInt aError, TUint aNumFeedsAdded);
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+ − 121
+ − 122
+ − 123 private:
+ − 124 void DBLoadFeedsL();
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+ − 125 void DBRemoveFeedL(TUint aUid);
+ − 126 void DBAddFeedL(const CFeedInfo& aTtem);
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+ − 127 CFeedInfo* DBGetFeedInfoByUidL(TUint aFeedUid);
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+ − 128 TUint DBGetFeedCountL();
+ − 129 void DBUpdateFeedL(const CFeedInfo& aItem);
+ − 130 void DBGetStatsByFeedL(TUint aFeedUid, TUint &aNumShows, TUint &aNumUnplayed);
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+ − 131
+ − 132
+ − 133 private:
+ − 134 CHttpClient* iFeedClient;
+ − 135 TClientState iClientState;
+ − 136 CFeedTimer iFeedTimer;
+ − 137
+ − 138 CPodcastModel& iPodcastModel;
+ − 139
+ − 140 // RSS parser
+ − 141 CFeedParser* iParser;
+ − 142
+ − 143 // the list of feeds
+ − 144 RFeedInfoArray iSortedFeeds;
+ − 145
+ − 146 CFeedInfo *iActiveFeed;
+ − 147 TFileName iUpdatingFeedFileName;
+ − 148 TFileName iSearchResultsFileName;
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+ − 149 RArray<TUint> iFeedsUpdating;
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+ − 150
+ − 151 // observers that will receive callbacks, not owning
+ − 152 RArray<MFeedEngineObserver*> iObservers;
+ − 153
+ − 154 TBool iCatchupMode;
+ − 155 TUint iCatchupCounter;
+ − 156
+ − 157 sqlite3& iDB;
+ − 158
+ − 159 TBuf<KDefaultSQLDataBufferLength> iSqlBuffer;
+ − 160
+ − 161 COpmlParser* iOpmlParser;
+ − 162 RFeedInfoArray iSearchResults;
+ − 163 TBool iAutoUpdatedInitiator;
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+ − 164 TBool iCancelRequested;
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+ − 165 };
+ − 166 #endif /*FEEDENGINE_H_*/
+ − 167