1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "qnetworkreplydataimpl_p.h"
5#include "private/qdataurl_p.h"
6#include <QtCore/QCoreApplication>
7#include <QtCore/QMetaObject>
8
9QT_BEGIN_NAMESPACE
10
11QNetworkReplyDataImplPrivate::QNetworkReplyDataImplPrivate()
12 : QNetworkReplyPrivate()
13{
14}
15
16QNetworkReplyDataImplPrivate::~QNetworkReplyDataImplPrivate()
17{
18}
19
20QNetworkReplyDataImpl::~QNetworkReplyDataImpl()
21{
22}
23
24QNetworkReplyDataImpl::QNetworkReplyDataImpl(QObject *parent, const QNetworkRequest &req, const QNetworkAccessManager::Operation op)
25 : QNetworkReply(*new QNetworkReplyDataImplPrivate(), parent)
26{
27 Q_D(QNetworkReplyDataImpl);
28 setRequest(req);
29 setUrl(req.url());
30 setOperation(op);
31 setFinished(true);
32 QNetworkReply::open(mode: QIODevice::ReadOnly);
33
34 QUrl url = req.url();
35 QString mimeType;
36 QByteArray payload;
37 if (qDecodeDataUrl(url, mimeType, payload)) {
38 qint64 size = payload.size();
39 auto h = headers();
40 h.replaceOrAppend(name: QHttpHeaders::WellKnownHeader::ContentType, newValue: mimeType);
41 h.replaceOrAppend(name: QHttpHeaders::WellKnownHeader::ContentLength, newValue: QByteArray::number(size));
42 setHeaders(std::move(h));
43
44 QMetaObject::invokeMethod(obj: this, member: "metaDataChanged", c: Qt::QueuedConnection);
45
46 d->decodedData.setData(payload);
47 d->decodedData.open(openMode: QIODevice::ReadOnly);
48
49 QMetaObject::invokeMethod(obj: this, member: "downloadProgress", c: Qt::QueuedConnection,
50 Q_ARG(qint64,size), Q_ARG(qint64, size));
51 QMetaObject::invokeMethod(obj: this, member: "readyRead", c: Qt::QueuedConnection);
52 QMetaObject::invokeMethod(obj: this, member: "finished", c: Qt::QueuedConnection);
53 } else {
54 // something wrong with this URI
55 const QString msg = QCoreApplication::translate(context: "QNetworkAccessDataBackend",
56 key: "Invalid URI: %1").arg(a: url.toString());
57 setError(errorCode: QNetworkReply::ProtocolFailure, errorString: msg);
58 QMetaObject::invokeMethod(obj: this, member: "errorOccurred", c: Qt::QueuedConnection,
59 Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ProtocolFailure));
60 QMetaObject::invokeMethod(obj: this, member: "finished", c: Qt::QueuedConnection);
61 }
62}
63
64void QNetworkReplyDataImpl::close()
65{
66 QNetworkReply::close();
67}
68
69void QNetworkReplyDataImpl::abort()
70{
71 QNetworkReply::close();
72}
73
74qint64 QNetworkReplyDataImpl::bytesAvailable() const
75{
76 Q_D(const QNetworkReplyDataImpl);
77 return QNetworkReply::bytesAvailable() + d->decodedData.bytesAvailable();
78}
79
80bool QNetworkReplyDataImpl::isSequential () const
81{
82 return true;
83}
84
85qint64 QNetworkReplyDataImpl::size() const
86{
87 Q_D(const QNetworkReplyDataImpl);
88 return d->decodedData.size();
89}
90
91/*!
92 \internal
93*/
94qint64 QNetworkReplyDataImpl::readData(char *data, qint64 maxlen)
95{
96 Q_D(QNetworkReplyDataImpl);
97
98 // TODO idea:
99 // Instead of decoding the whole data into new memory, we could decode on demand.
100 // Note that this might be tricky to do.
101
102 return d->decodedData.read(data, maxlen);
103}
104
105
106QT_END_NAMESPACE
107
108#include "moc_qnetworkreplydataimpl_p.cpp"
109
110

Provided by KDAB

Privacy Policy
Start learning QML with our Intro Training
Find out more

source code of qtbase/src/network/access/qnetworkreplydataimpl.cpp