diff options
Diffstat (limited to 'src/plugins/qmltooling/qmldbg_preview/qqmlpreviewservice.cpp')
| -rw-r--r-- | src/plugins/qmltooling/qmldbg_preview/qqmlpreviewservice.cpp | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/qmldbg_preview/qqmlpreviewservice.cpp b/src/plugins/qmltooling/qmldbg_preview/qqmlpreviewservice.cpp new file mode 100644 index 0000000000..2e2224df47 --- /dev/null +++ b/src/plugins/qmltooling/qmldbg_preview/qqmlpreviewservice.cpp @@ -0,0 +1,195 @@ +/**************************************************************************** +** +** Copyright (C) 2018 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QML preview debug service. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/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.LGPL3 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-3.0.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 (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qqmlpreviewservice.h" + +#include <QtCore/qpointer.h> +#include <QtQml/qqmlengine.h> +#include <QtQml/qqmlcomponent.h> +#include <QtQuick/qquickwindow.h> +#include <QtQuick/qquickitem.h> +#include <QtGui/qguiapplication.h> + +#include <private/qquickpixmapcache_p.h> +#include <private/qqmldebugconnector_p.h> +#include <private/qversionedpacket_p.h> + +QT_BEGIN_NAMESPACE + +const QString QQmlPreviewServiceImpl::s_key = QStringLiteral("QmlPreview"); +using QQmlDebugPacket = QVersionedPacket<QQmlDebugConnector>; + +QQmlPreviewServiceImpl::QQmlPreviewServiceImpl(QObject *parent) : + QQmlDebugService(s_key, 1.0f, parent) +{ + m_loader.reset(new QQmlPreviewFileLoader(this)); + connect(this, &QQmlPreviewServiceImpl::load, + m_loader.data(), &QQmlPreviewFileLoader::whitelist, Qt::DirectConnection); + connect(this, &QQmlPreviewServiceImpl::load, &m_handler, &QQmlPreviewHandler::loadUrl); + connect(this, &QQmlPreviewServiceImpl::rerun, &m_handler, &QQmlPreviewHandler::rerun); + connect(this, &QQmlPreviewServiceImpl::zoom, &m_handler, &QQmlPreviewHandler::zoom); + connect(this, &QQmlPreviewServiceImpl::language, &m_handler, &QQmlPreviewHandler::language); + connect(&m_handler, &QQmlPreviewHandler::error, this, &QQmlPreviewServiceImpl::forwardError, + Qt::DirectConnection); + connect(&m_handler, &QQmlPreviewHandler::fps, this, &QQmlPreviewServiceImpl::forwardFps, + Qt::DirectConnection); +} + +QQmlPreviewServiceImpl::~QQmlPreviewServiceImpl() +{ +} + +void QQmlPreviewServiceImpl::messageReceived(const QByteArray &data) +{ + QQmlDebugPacket packet(data); + qint8 command; + + packet >> command; + switch (command) { + case File: { + QString path; + QByteArray contents; + packet >> path >> contents; + emit file(path, contents); + + // Replace the whole scene with the first file successfully loaded over the debug + // connection. This is an OK approximation of the root component, and if the client wants + // something specific, it will send an explicit Load anyway. + if (m_currentUrl.isEmpty() && path.endsWith(".qml")) { + if (path.startsWith(':')) + m_currentUrl = QUrl("qrc" + path); + else + m_currentUrl = QUrl::fromLocalFile(path); + emit load(m_currentUrl); + } + break; + } + case Directory: { + QString path; + QStringList entries; + packet >> path >> entries; + emit directory(path, entries); + break; + } + case Load: { + QUrl url; + packet >> url; + if (url.isEmpty()) + url = m_currentUrl; + else + m_currentUrl = url; + emit load(url); + break; + } + case Error: { + QString file; + packet >> file; + emit error(file); + break; + } + case Rerun: + emit rerun(); + break; + case ClearCache: + emit clearCache(); + break; + case Zoom: { + float factor; + packet >> factor; + emit zoom(static_cast<qreal>(factor)); + break; + } + case Language: { + QUrl context; + QString locale; + packet >> context >> locale; + emit language(context.isEmpty() ? m_currentUrl : context, + locale.isEmpty() ? QLocale() : QLocale(locale)); + break; + } + default: + forwardError(QString::fromLatin1("Invalid command: %1").arg(command)); + break; + } +} + +void QQmlPreviewServiceImpl::engineAboutToBeAdded(QJSEngine *engine) +{ + if (QQmlEngine *qmlEngine = qobject_cast<QQmlEngine *>(engine)) + m_handler.addEngine(qmlEngine); + emit attachedToEngine(engine); +} + +void QQmlPreviewServiceImpl::engineAboutToBeRemoved(QJSEngine *engine) +{ + if (QQmlEngine *qmlEngine = qobject_cast<QQmlEngine *>(engine)) + m_handler.removeEngine(qmlEngine); + emit detachedFromEngine(engine); +} + +void QQmlPreviewServiceImpl::stateChanged(QQmlDebugService::State state) +{ + m_fileEngine.reset(state == Enabled ? new QQmlPreviewFileEngineHandler(m_loader.data()) + : nullptr); +} + +void QQmlPreviewServiceImpl::forwardRequest(const QString &file) +{ + QQmlDebugPacket packet; + packet << static_cast<qint8>(Request) << file; + emit messageToClient(name(), packet.data()); +} + +void QQmlPreviewServiceImpl::forwardError(const QString &error) +{ + QQmlDebugPacket packet; + packet << static_cast<qint8>(Error) << error; + emit messageToClient(name(), packet.data()); +} + +void QQmlPreviewServiceImpl::forwardFps(const QQmlPreviewHandler::FpsInfo &frames) +{ + QQmlDebugPacket packet; + packet << static_cast<qint8>(Fps) + << frames.numSyncs << frames.minSync << frames.maxSync << frames.totalSync + << frames.numRenders << frames.minRender << frames.maxRender << frames.totalRender; + emit messageToClient(name(), packet.data()); +} + +QT_END_NAMESPACE |