Experimental custom URL scheme API

Introduces API for custom URL scheme as an experimental API in widgets.
A QML api is not included yet.

Change-Id: Ice4542e5238feb961a4c9c60a809455e31dc1ec6
Reviewed-by: Andras Becsi <andras.becsi@theqtcompany.com>

1 files changed, 143 insertions, 0 deletions

diff --git a/src/core/url_request_custom_job.cpp b/src/core/url_request_custom_job.cpp
new file mode 100644
index 000000000..e97804c2f
--- /dev/null
+++ b/src/core/url_request_custom_job.cpp
@@ -0,0 +1,143 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "url_request_custom_job.h"
+#include "url_request_custom_job_delegate.h"
+
+#include "custom_url_scheme_handler.h"
+#include "type_conversion.h"
+
+#include "content/public/browser/browser_thread.h"
+#include "net/base/net_errors.h"
+#include "net/base/io_buffer.h"
+
+#include <QFileInfo>
+#include <QMimeDatabase>
+#include <QMimeType>
+#include <QUrl>
+
+using namespace net;
+
+URLRequestCustomJob::URLRequestCustomJob(URLRequest *request, NetworkDelegate *networkDelegate, CustomUrlSchemeHandler *schemeHandler)
+    : URLRequestJob(request, networkDelegate)
+    , m_device(0)
+    , m_schemeHandler(schemeHandler)
+    , m_weakFactory(this)
+{
+}
+
+URLRequestCustomJob::~URLRequestCustomJob()
+{
+    if (m_device && m_device->isOpen())
+        m_device->close();
+}
+
+void URLRequestCustomJob::Start()
+{
+    content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE, base::Bind(&URLRequestCustomJob::startAsync, m_weakFactory.GetWeakPtr()));
+}
+
+void URLRequestCustomJob::Kill()
+{
+    if (m_device->isOpen())
+        m_device->close();
+    m_weakFactory.InvalidateWeakPtrs();
+
+    URLRequestJob::Kill();
+}
+
+bool URLRequestCustomJob::GetMimeType(std::string *mimeType) const
+{
+    if (m_mimeType.size() > 0) {
+        *mimeType = m_mimeType;
+        return true;
+    }
+    return false;
+}
+
+bool URLRequestCustomJob::GetCharset(std::string* charset)
+{
+    if (m_charset.size() > 0) {
+        *charset = m_charset;
+        return true;
+    }
+    return false;
+}
+
+void URLRequestCustomJob::setReplyMimeType(const std::string &mimeType)
+{
+    m_mimeType = mimeType;
+}
+
+void URLRequestCustomJob::setReplyCharset(const std::string &charset)
+{
+    m_charset = charset;
+}
+
+void URLRequestCustomJob::setReplyDevice(QIODevice *device)
+{
+    m_device = device;
+    if (m_device && !m_device->isReadable())
+        m_device->open(QIODevice::ReadOnly);
+    content::BrowserThread::PostTask(content::BrowserThread::IO, FROM_HERE, base::Bind(&URLRequestCustomJob::notifyStarted, m_weakFactory.GetWeakPtr()));
+}
+
+bool URLRequestCustomJob::ReadRawData(IOBuffer *buf, int bufSize, int *bytesRead)
+{
+    Q_ASSERT(bytesRead);
+    qint64 rv = m_device ? m_device->read(buf->data(), bufSize) : -1;
+    if (rv >= 0) {
+        *bytesRead = static_cast<int>(rv);
+        return true;
+    } else {
+        NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, ERR_FAILED));
+    }
+    return false;
+}
+
+void URLRequestCustomJob::notifyStarted()
+{
+    if (m_device && m_device->isReadable())
+        NotifyHeadersComplete();
+    else
+        NotifyStartError(URLRequestStatus(URLRequestStatus::FAILED, ERR_INVALID_URL));
+}
+
+void URLRequestCustomJob::startAsync()
+{
+    m_delegate.reset(new URLRequestCustomJobDelegate(this));
+    m_schemeHandler->handleJob(m_delegate.get());
+}