| /* |
| Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public License |
| along with this library; see the file COPYING.LIB. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. |
| */ |
| #ifndef QNetworkReplyHandler_h |
| #define QNetworkReplyHandler_h |
| |
| #include <QObject> |
| |
| #include <QNetworkAccessManager> |
| #include <QNetworkReply> |
| #include <QNetworkRequest> |
| #include <QBasicTimer> |
| |
| #include "FormData.h" |
| #include "QtMIMETypeSniffer.h" |
| |
| QT_BEGIN_NAMESPACE |
| class QFile; |
| class QNetworkReply; |
| QT_END_NAMESPACE |
| |
| namespace WebCore { |
| |
| class FormDataIODevice; |
| class ResourceError; |
| class ResourceHandle; |
| class ResourceRequest; |
| class ResourceResponse; |
| class QNetworkReplyHandler; |
| |
| class QNetworkReplyHandlerCallQueue : public QObject { |
| Q_OBJECT |
| public: |
| QNetworkReplyHandlerCallQueue(QNetworkReplyHandler*, bool deferSignals); |
| bool deferSignals() const { return m_deferSignals; } |
| void setDeferSignals(bool, bool sync = false); |
| |
| typedef void (QNetworkReplyHandler::*EnqueuedCall)(); |
| void push(EnqueuedCall method); |
| void clear() { m_enqueuedCalls.clear(); } |
| |
| void lock(); |
| void unlock(); |
| private: |
| QNetworkReplyHandler* m_replyHandler; |
| int m_locks; |
| bool m_deferSignals; |
| bool m_flushing; |
| QList<EnqueuedCall> m_enqueuedCalls; |
| |
| Q_INVOKABLE void flush(); |
| }; |
| |
| class QNetworkReplyWrapper : public QObject { |
| Q_OBJECT |
| public: |
| QNetworkReplyWrapper(QNetworkReplyHandlerCallQueue*, QNetworkReply*, bool sniffMIMETypes, QObject* parent = 0); |
| ~QNetworkReplyWrapper(); |
| |
| QNetworkReply* reply() const { return m_reply; } |
| QNetworkReply* release(); |
| |
| void synchronousLoad(); |
| |
| QUrl redirectionTargetUrl() const { return m_redirectionTargetUrl; } |
| QString encoding() const { return m_encoding; } |
| QString advertisedMIMEType() const { return m_advertisedMIMEType; } |
| QString mimeType() const { return m_sniffedMIMEType.isEmpty() ? m_advertisedMIMEType : m_sniffedMIMEType; } |
| |
| bool responseContainsData() const { return m_responseContainsData; } |
| bool wasRedirected() const { return m_redirectionTargetUrl.isValid(); } |
| |
| // See setFinished(). |
| bool isFinished() const { return m_reply->property("_q_isFinished").toBool(); } |
| |
| private Q_SLOTS: |
| void receiveMetaData(); |
| void didReceiveFinished(); |
| void didReceiveReadyRead(); |
| void receiveSniffedMIMEType(); |
| void setFinished(); |
| void replyDestroyed(); |
| |
| private: |
| void stopForwarding(); |
| void emitMetaDataChanged(); |
| |
| QNetworkReply* m_reply; |
| QUrl m_redirectionTargetUrl; |
| |
| QString m_encoding; |
| QNetworkReplyHandlerCallQueue* m_queue; |
| bool m_responseContainsData; |
| |
| QString m_advertisedMIMEType; |
| |
| QString m_sniffedMIMEType; |
| OwnPtr<QtMIMETypeSniffer> m_sniffer; |
| bool m_sniffMIMETypes; |
| }; |
| |
| class QNetworkReplyHandler : public QObject |
| { |
| Q_OBJECT |
| public: |
| enum LoadType { |
| AsynchronousLoad, |
| SynchronousLoad |
| }; |
| |
| QNetworkReplyHandler(ResourceHandle*, LoadType, bool deferred = false); |
| void setLoadingDeferred(bool deferred) { m_queue.setDeferSignals(deferred, m_loadType == SynchronousLoad); } |
| |
| QNetworkReply* reply() const { return m_replyWrapper ? m_replyWrapper->reply() : 0; } |
| |
| void abort(); |
| |
| QNetworkReply* release(); |
| |
| void finish(); |
| void forwardData(); |
| void sendResponseIfNeeded(); |
| |
| static ResourceError errorForReply(QNetworkReply*); |
| |
| private Q_SLOTS: |
| void uploadProgress(qint64 bytesSent, qint64 bytesTotal); |
| |
| private: |
| void start(); |
| String httpMethod() const; |
| void redirect(ResourceResponse&, const QUrl&); |
| bool wasAborted() const { return !m_resourceHandle; } |
| QNetworkReply* sendNetworkRequest(QNetworkAccessManager*, const ResourceRequest&); |
| FormDataIODevice* getIODevice(const ResourceRequest&); |
| void clearContentHeaders(); |
| virtual void timerEvent(QTimerEvent*) OVERRIDE; |
| void timeout(); |
| |
| OwnPtr<QNetworkReplyWrapper> m_replyWrapper; |
| ResourceHandle* m_resourceHandle; |
| LoadType m_loadType; |
| QNetworkAccessManager::Operation m_method; |
| QNetworkRequest m_request; |
| QBasicTimer m_timeoutTimer; |
| |
| // defer state holding |
| int m_redirectionTries; |
| |
| QNetworkReplyHandlerCallQueue m_queue; |
| }; |
| |
| // Self destructing QIODevice for FormData |
| // For QNetworkAccessManager::put we will have to gurantee that the |
| // QIODevice is valid as long finished() of the QNetworkReply has not |
| // been emitted. With the presence of QNetworkReplyHandler::release I do |
| // not want to gurantee this. |
| class FormDataIODevice : public QIODevice { |
| Q_OBJECT |
| public: |
| FormDataIODevice(FormData*); |
| ~FormDataIODevice(); |
| |
| bool isSequential() const; |
| qint64 getFormDataSize() const { return m_fileSize + m_dataSize; } |
| |
| protected: |
| qint64 readData(char*, qint64); |
| qint64 writeData(const char*, qint64); |
| |
| private: |
| void prepareFormElements(FormData*); |
| void moveToNextElement(); |
| qint64 computeSize(); |
| void openFileForCurrentElement(); |
| void prepareCurrentElement(); |
| |
| private: |
| Vector<FormDataElement> m_formElements; |
| QFile* m_currentFile; |
| qint64 m_currentDelta; |
| qint64 m_fileSize; |
| qint64 m_dataSize; |
| }; |
| |
| } |
| |
| #endif // QNetworkReplyHandler_h |