1 /* |
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2 * Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Image thumbnail provider plugin. |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef THUMBNAILIMAGEPROVIDER_H |
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20 #define THUMBNAILIMAGEPROVIDER_H |
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21 |
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22 #include "thumbnailprovider.h" |
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23 |
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24 class CThumbnailImageDecoder; |
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25 class CThumbnailImageDecoderv2; |
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26 |
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27 /** |
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28 * Image thumbnail provider plugin. |
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29 * |
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30 * @since S60 v5.0 |
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31 */ |
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32 class CThumbnailImageProvider: public CThumbnailProvider |
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33 { |
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34 |
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35 public: |
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36 |
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37 /** |
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38 * Two-phased constructor. |
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39 * |
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40 * @since S60 v5.0 |
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41 * @return New image thumbnail provider instance. |
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42 */ |
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43 static CThumbnailImageProvider* NewL(); |
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44 |
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45 /** |
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46 * Destructor |
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47 * |
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48 * @since S60 v5.0 |
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49 */ |
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50 virtual ~CThumbnailImageProvider(); |
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51 |
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52 /** |
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53 * Function that will provide thumbnail from given parameters. |
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54 * |
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55 * @since S60 v5.0 |
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56 * @param aFs File server session |
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57 * @param aFile Source image file. |
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58 * @param aMimeType MIME-type of the image file. |
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59 * @param aFlags Flags for thumbnail creation. |
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60 * @param aDisplayMode Used display mode. |
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61 */ |
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62 void GetThumbnailL( RFs& aFs, RFile64& aFile, const TDataType& aMimeType, |
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63 const CThumbnailManager::TThumbnailFlags aFlags, const TDisplayMode |
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64 aDisplayMode, const CThumbnailManager::TThumbnailQualityPreference aQualityPreference ); |
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65 |
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66 /** |
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67 * Function that will provide thumbnail from given parameters. |
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68 * |
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69 * @since S60 v5.0 |
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70 * @param aFs File server session |
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71 * @param aBuffer Source image buffer. |
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72 * @param aMimeType MIME-type of the image file. |
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73 * @param aFlags Flags for thumbnail creation. |
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74 * @param aDisplayMode Used display mode. |
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75 */ |
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76 void GetThumbnailL( RFs& aFs, TDesC8* aBuffer, const |
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77 TDataType& aMimeType, const CThumbnailManager::TThumbnailFlags aFlags, |
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78 const TDisplayMode aDisplayMode, const CThumbnailManager::TThumbnailQualityPreference aQualityPreference ); |
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79 |
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80 /** |
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81 * Function that will provide thumbnail from given parameters. |
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82 * |
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83 * @since S60 v5.0 |
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84 * @param aFs File server session |
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85 * @param aBuffer Source image buffer. |
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86 */ |
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87 void GetThumbnailL( RFs& aFs, TDesC8& aBuffer); |
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88 |
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89 /** |
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90 * Cancel a previous thumbnail request, if any. |
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91 * |
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92 * @since S60 5.0 |
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93 */ |
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94 void CancelGetThumbnail(); |
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95 |
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96 private: |
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97 |
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98 /** |
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99 * C++ default constructor |
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100 * |
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101 * @since S60 v5.0 |
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102 * @return New image thumbnail provider instance. |
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103 */ |
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104 CThumbnailImageProvider(); |
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105 |
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106 private: |
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107 |
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108 /** |
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109 * Thumbnail decoder. |
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110 */ |
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111 CThumbnailImageDecoder* iImageDecoder; |
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112 |
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113 /** |
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114 * Thumbnail decoderv2. |
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115 */ |
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116 CThumbnailImageDecoderv2* iImageDecoderv2; |
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117 |
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118 /** |
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119 * File server session. |
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120 * Not own. |
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121 */ |
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122 RFs iFs; |
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123 |
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124 /** |
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125 * Mime-type of image |
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126 */ |
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127 TDataType iMimeType; |
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128 }; |
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129 |
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130 #include "thumbnailprovider.inl" |
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131 |
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132 #endif // THUMBNAILIMAGEPROVIDER_H |
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