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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtGui module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include "qimagepixmapcleanuphooks_p.h" |
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43 #include "qpixmapdata_p.h" |
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44 |
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45 |
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46 QT_BEGIN_NAMESPACE |
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47 |
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48 // Legacy, single instance hooks: ### Qt 5: remove |
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49 typedef void (*_qt_pixmap_cleanup_hook)(int); |
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50 typedef void (*_qt_pixmap_cleanup_hook_64)(qint64); |
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51 typedef void (*_qt_image_cleanup_hook)(int); |
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52 Q_GUI_EXPORT _qt_pixmap_cleanup_hook qt_pixmap_cleanup_hook = 0; |
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53 Q_GUI_EXPORT _qt_pixmap_cleanup_hook_64 qt_pixmap_cleanup_hook_64 = 0; |
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54 Q_GUI_EXPORT _qt_image_cleanup_hook qt_image_cleanup_hook = 0; |
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55 Q_GUI_EXPORT _qt_image_cleanup_hook_64 qt_image_cleanup_hook_64 = 0; |
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56 |
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57 |
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58 QImagePixmapCleanupHooks* qt_image_and_pixmap_cleanup_hooks = 0; |
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59 |
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60 |
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61 QImagePixmapCleanupHooks::QImagePixmapCleanupHooks() |
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62 { |
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63 qt_image_and_pixmap_cleanup_hooks = this; |
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64 } |
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65 |
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66 QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance() |
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67 { |
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68 if (!qt_image_and_pixmap_cleanup_hooks) |
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69 qt_image_and_pixmap_cleanup_hooks = new QImagePixmapCleanupHooks; |
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70 return qt_image_and_pixmap_cleanup_hooks; |
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71 } |
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72 |
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73 void QImagePixmapCleanupHooks::addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook) |
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74 { |
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75 pixmapModificationHooks.append(hook); |
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76 } |
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77 |
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78 void QImagePixmapCleanupHooks::addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook) |
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79 { |
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80 pixmapDestructionHooks.append(hook); |
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81 } |
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82 |
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83 |
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84 void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook) |
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85 { |
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86 imageHooks.append(hook); |
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87 } |
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88 |
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89 void QImagePixmapCleanupHooks::removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook) |
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90 { |
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91 pixmapModificationHooks.removeAll(hook); |
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92 } |
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93 |
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94 void QImagePixmapCleanupHooks::removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook) |
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95 { |
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96 pixmapDestructionHooks.removeAll(hook); |
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97 } |
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98 |
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99 void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook) |
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100 { |
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101 imageHooks.removeAll(hook); |
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102 } |
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103 |
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104 |
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105 void QImagePixmapCleanupHooks::executePixmapModificationHooks(QPixmap* pm) |
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106 { |
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107 Q_ASSERT(qt_image_and_pixmap_cleanup_hooks); |
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108 for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->pixmapModificationHooks.count(); ++i) |
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109 qt_image_and_pixmap_cleanup_hooks->pixmapModificationHooks[i](pm); |
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110 |
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111 if (qt_pixmap_cleanup_hook_64) |
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112 qt_pixmap_cleanup_hook_64(pm->cacheKey()); |
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113 } |
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114 |
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115 void QImagePixmapCleanupHooks::executePixmapDestructionHooks(QPixmap* pm) |
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116 { |
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117 Q_ASSERT(qt_image_and_pixmap_cleanup_hooks); |
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118 for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->pixmapDestructionHooks.count(); ++i) |
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119 qt_image_and_pixmap_cleanup_hooks->pixmapDestructionHooks[i](pm); |
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120 |
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121 if (qt_pixmap_cleanup_hook_64) |
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122 qt_pixmap_cleanup_hook_64(pm->cacheKey()); |
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123 } |
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124 |
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125 void QImagePixmapCleanupHooks::executeImageHooks(qint64 key) |
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126 { |
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127 Q_ASSERT(qt_image_and_pixmap_cleanup_hooks); |
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128 for (int i = 0; i < qt_image_and_pixmap_cleanup_hooks->imageHooks.count(); ++i) |
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129 qt_image_and_pixmap_cleanup_hooks->imageHooks[i](key); |
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130 |
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131 if (qt_image_cleanup_hook_64) |
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132 qt_image_cleanup_hook_64(key); |
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133 } |
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134 |
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135 QT_END_NAMESPACE |