XDispatch 0.7.2
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qdispatchsource.h
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00001 /*
00002 * Copyright (c) 2011-2013 MLBA-Team. All rights reserved.
00003 *
00004 * @MLBA_OPEN_LICENSE_HEADER_START@
00005 *
00006 * Licensed under the Apache License, Version 2.0 (the "License");
00007 * you may not use this file except in compliance with the License.
00008 * You may obtain a copy of the License at
00009 * 
00010 *     http://www.apache.org/licenses/LICENSE-2.0
00011 * 
00012 * Unless required by applicable law or agreed to in writing, software
00013 * distributed under the License is distributed on an "AS IS" BASIS,
00014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00015 * See the License for the specific language governing permissions and
00016 * limitations under the License.
00017 *
00018 * @MLBA_OPEN_LICENSE_HEADER_END@
00019 */
00020 
00021 
00022 #ifndef QDISPATCH_SOURCE_H_
00023 #define QDISPATCH_SOURCE_H_
00024 
00025 #include <QtCore/qobject.h>
00026 #include <QtCore/qscopedpointer.h>
00027 
00028 #include "qdispatchglobal.h"
00029 #include "qblockrunnable.h"
00030 
00036 QT_BEGIN_HEADER
00037 QT_BEGIN_NAMESPACE
00038 
00039 class QRunnable;
00040 class QIODevice;
00041 class QNetworkAccessManager;
00042 class QDispatchQueue;
00043 class QNetworkReply;
00044 
00045 QT_MODULE(Dispatch)
00046 
00047 class QDispatchSource;
00048 
00057 class Q_DISPATCH_EXPORT QDispatchSourceType : public QObject {
00058 
00059         Q_OBJECT
00060 
00061     protected:
00065         virtual void init(QThread*) = 0;
00066 
00067     signals:
00077         void ready(QObject* = NULL);
00078 
00079         friend class QDispatchSource;
00080 };
00081 
00090 class Q_DISPATCH_EXPORT QDispatchSourceTypeSignal : public QDispatchSourceType {
00091 
00092     public:
00093         QDispatchSourceTypeSignal(QObject* sender, const char* signal);
00094         ~QDispatchSourceTypeSignal();
00095 
00096     protected:
00097         virtual void init(QThread*);
00098 
00099     private:
00100         Q_DISABLE_COPY(QDispatchSourceTypeSignal)
00101 
00102 };
00103 
00112 class Q_DISPATCH_EXPORT QDispatchSourceTypeIODevice : public QDispatchSourceType {
00113 
00114         Q_OBJECT
00115 
00116     public:
00117         QDispatchSourceTypeIODevice(QIODevice*);
00118         ~QDispatchSourceTypeIODevice();
00119 
00120     protected:
00121         virtual void init(QThread*);
00122 
00123     private slots:
00124         void avail();
00125 
00126     private:
00127         Q_DISABLE_COPY(QDispatchSourceTypeIODevice)
00128         QIODevice* dev;
00129 };
00130 
00139 class Q_DISPATCH_EXPORT QDispatchSourceTypeIODeviceRead : public QDispatchSourceTypeIODevice {
00140 
00141         Q_OBJECT
00142 
00143     public:
00144         QDispatchSourceTypeIODeviceRead(QIODevice*);
00145 
00146     private:
00147         Q_DISABLE_COPY(QDispatchSourceTypeIODeviceRead)
00148 };
00149 
00158 class Q_DISPATCH_EXPORT QDispatchSourceTypeIODeviceWrite : public QDispatchSourceType {
00159 
00160         Q_OBJECT
00161 
00162     public:
00163         QDispatchSourceTypeIODeviceWrite(QIODevice*);
00164         ~QDispatchSourceTypeIODeviceWrite();
00165 
00166     protected:
00167         virtual void init(QThread*);
00168 
00169     private slots:
00170         void finished(qint64);
00171 
00172     private:
00173         Q_DISABLE_COPY(QDispatchSourceTypeIODeviceWrite)
00174         QIODevice* dev;
00175 };
00176 
00185 class Q_DISPATCH_EXPORT QDispatchSourceTypeNetworkManager : public QDispatchSourceType {
00186 
00187         Q_OBJECT
00188 
00189     public:
00190         QDispatchSourceTypeNetworkManager(QNetworkAccessManager*);
00191         ~QDispatchSourceTypeNetworkManager();
00192 
00193     private slots:
00194         void finished(QNetworkReply*);
00195 
00196     protected:
00197         void init(QThread*);
00198 
00199     private:
00200         Q_DISABLE_COPY(QDispatchSourceTypeNetworkManager)
00201         QNetworkAccessManager* manager;
00202 };
00203 
00222 class Q_DISPATCH_EXPORT QDispatchSource : public QObject {
00223 
00224         Q_OBJECT
00225 
00226     public:
00231         QDispatchSource(QDispatchSourceType*);
00232         ~QDispatchSource();
00240         void setHandler(QRunnable*);
00241   #if XDISPATCH_HAS_BLOCKS
00242 
00249         inline void setHandler(dispatch_block_t b) {
00250             setHandler( new QBlockRunnable(b) );
00251         }
00252   #endif
00253   #if XDISPATCH_HAS_FUNCTION
00254 
00261       inline void setHandler(const xdispatch::lambda_function& b) {
00262           setHandler( new QLambdaRunnable(b) );
00263       }
00264   #endif
00265 
00269         QDispatchQueue targetQueue() const;
00274         void setTargetQueue(const QDispatchQueue&);
00291         template <typename T> static T* data(){
00292             return qobject_cast<T*>(_data());
00293         }
00294 
00295     public slots:
00305         void resume();
00306         void suspend();
00307 
00308     private slots:
00309         void signal(QObject* = NULL);
00310 
00311     private:
00312         Q_DISABLE_COPY(QDispatchSource)
00313         class Private;
00314         QScopedPointer<Private> d;
00315 
00316         static QObject* _data();
00317 
00318 };
00319 
00320 
00321 QT_END_NAMESPACE
00322 QT_END_HEADER
00323 
00326 #endif /* QDISPATCH_SOURCE_H_ */
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