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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2010 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 QtDeclarative 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 "private/qdeclarativenotifier_p.h" |
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43 |
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44 QT_BEGIN_NAMESPACE |
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45 |
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46 void QDeclarativeNotifier::emitNotify(QDeclarativeNotifierEndpoint *endpoint) |
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47 { |
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48 QDeclarativeNotifierEndpoint::Notifier *n = endpoint->asNotifier(); |
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49 |
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50 QDeclarativeNotifierEndpoint **oldDisconnected = n->disconnected; |
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51 n->disconnected = &endpoint; |
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52 |
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53 if (n->next) |
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54 emitNotify(n->next); |
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55 |
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56 if (endpoint) { |
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57 void *args[] = { 0 }; |
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58 |
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59 QMetaObject::metacall(endpoint->target, QMetaObject::InvokeMetaMethod, |
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60 endpoint->targetMethod, args); |
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61 |
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62 if (endpoint) |
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63 endpoint->asNotifier()->disconnected = oldDisconnected; |
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64 } |
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65 |
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66 if (oldDisconnected) *oldDisconnected = endpoint; |
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67 } |
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68 |
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69 void QDeclarativeNotifierEndpoint::copyAndClear(QDeclarativeNotifierEndpoint &other) |
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70 { |
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71 other.disconnect(); |
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72 |
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73 other.target = target; |
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74 other.targetMethod = targetMethod; |
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75 |
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76 if (!isConnected()) |
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77 return; |
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78 |
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79 if (SignalType == type) { |
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80 Signal *other_s = other.toSignal(); |
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81 Signal *s = asSignal(); |
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82 |
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83 other_s->source = s->source; |
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84 other_s->sourceSignal = s->sourceSignal; |
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85 s->source = 0; |
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86 } else if(NotifierType == type) { |
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87 Notifier *other_n = other.toNotifier(); |
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88 Notifier *n = asNotifier(); |
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89 |
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90 other_n->notifier = n->notifier; |
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91 other_n->disconnected = n->disconnected; |
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92 if (other_n->disconnected) *other_n->disconnected = &other; |
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93 |
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94 if (n->next) { |
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95 other_n->next = n->next; |
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96 n->next->asNotifier()->prev = &other_n->next; |
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97 } |
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98 other_n->prev = n->prev; |
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99 *other_n->prev = &other; |
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100 |
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101 n->prev = 0; |
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102 n->next = 0; |
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103 n->disconnected = 0; |
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104 n->notifier = 0; |
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105 } |
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106 } |
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107 |
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108 |
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109 QT_END_NAMESPACE |
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110 |