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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (developer.feedback@nokia.com) |
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6 ** |
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7 ** This file is part of the HbServers module of the UI Extensions for Mobile. |
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8 ** |
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9 ** GNU Lesser General Public License Usage |
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10 ** This file may be used under the terms of the GNU Lesser General Public |
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11 ** License version 2.1 as published by the Free Software Foundation and |
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12 ** appearing in the file LICENSE.LGPL included in the packaging of this file. |
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13 ** Please review the following information to ensure the GNU Lesser General |
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14 ** Public License version 2.1 requirements will be met: |
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15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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16 ** |
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17 ** In addition, as a special exception, Nokia gives you certain additional |
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18 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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20 ** |
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21 ** If you have questions regarding the use of this file, please contact |
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22 ** Nokia at developer.feedback@nokia.com. |
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23 ** |
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24 ****************************************************************************/ |
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25 |
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26 #ifndef HBICONDATACACHE_P_H |
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27 #define HBICONDATACACHE_P_H |
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28 |
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29 #include <QHash> |
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30 #include "hbthemeserverutils_p.h" |
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31 #include "hbiconcacheitemcreator_p.h" |
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32 |
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33 class HbIconDataCache |
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34 { |
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35 |
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36 public: |
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37 HbIconDataCache(); |
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38 ~HbIconDataCache(); |
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39 void clear(); |
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40 HbIconCacheItem* getCacheItem(const HbIconKey &key , |
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41 bool isMultiIconPiece = false); |
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42 bool insert(const HbIconKey &key, HbIconCacheItem* item); |
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43 bool remove(const HbIconKey& key); |
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44 void setMaxGpuCacheSize(int size); |
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45 void setMaxCpuCacheSize(int size); |
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46 bool contains(const HbIconKey &key) const; |
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47 HbIconCacheItem* value(const HbIconKey &key) const; |
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48 bool isItemCachableInGpu(const HbIconCacheItem* item)const; |
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49 bool isItemCachableInCpu(const HbIconCacheItem* item)const; |
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50 void memoryGood(); |
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51 void freeGpuRam(int bytes); |
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52 |
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53 //Debug Code for Test Purpose |
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54 #ifdef HB_ICON_CACHE_DEBUG |
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55 void cleanVectorLRUList(); |
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56 void cleanRasterLRUList(); |
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57 int count() const; |
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58 int freeVectorMemory(); |
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59 int freeRasterMemory(); |
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60 int lastAddedRefCount(); |
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61 int lastAddedItemMem(); |
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62 int lastRemovedItemMem(); |
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63 int lastRemovedItemRfCount(); |
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64 bool enableCache(bool cacheIt); |
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65 int cacheHitCount(); |
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66 int cacheMissCount(); |
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67 int rasterLruCount(); |
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68 int vectorLruCount(); |
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69 int gpuLRUSize() const; |
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70 #endif |
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71 |
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72 private: |
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73 |
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74 void createGpuCacheSpace(int itemCost); |
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75 void createCpuCacheSpace(int itemCost); |
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76 void updateGpuLruSize(int iconDataCost); |
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77 void updateCpuLruSize(int iconDataCost); |
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78 //Debug Code for Test Purpose |
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79 #ifdef HB_ICON_CACHE_DEBUG |
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80 void removeFromCache(const HbIconKey &key, const HbIconCacheItem* releaseItem); |
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81 void releaseVectorItem(HbIconCacheItem* releaseItem); |
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82 void releaseRasterItem(HbIconCacheItem* releaseItem); |
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83 #endif |
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84 |
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85 private: |
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86 QHash<HbIconKey, HbIconCacheItem*> *cache; |
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87 HbDLinkList<HbIconCacheItem> gpuLruList; |
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88 HbDLinkList<HbIconCacheItem> cpuLruList; |
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89 int currentGpuCacheSize; |
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90 int currentCpuCacheSize; |
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91 int gpuLruListSize; |
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92 int cpuLruListSize; |
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93 int maxGpuCacheLimit; |
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94 int maxCpuCacheLimit; |
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95 bool goodMemory; |
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96 |
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97 //Debug Code for Test Purpose |
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98 #ifdef HB_ICON_CACHE_DEBUG |
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99 int addedItemRefCount; |
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100 int addedItemMem; |
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101 int removedItemMem; |
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102 int remRfCount; |
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103 bool enableCaching; |
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104 int cacheHit; |
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105 int cacheMiss; |
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106 int vectorLruListCount; |
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107 int rasterLruListCount; |
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108 #endif |
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109 }; |
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110 #endif // HBICONCACHE_P_H |
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111 |