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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "helpmanager_implementation.h"
#include "coreplugin.h"
#include <extensionsystem/pluginmanager.h>
#include <extensionsystem/pluginspec.h>
#include <utils/qtcassert.h>
#include <QCoreApplication>
#include <QDir>
#include <QUrl>
namespace Core {
namespace HelpManager {
// makes sure that plugins can connect to HelpManager signals even if the Help plugin is not loaded
Q_GLOBAL_STATIC(Signals, m_signals)
static Implementation *m_instance = nullptr;
static bool checkInstance()
{
static bool afterPluginCreation = false;
if (!afterPluginCreation) {
using namespace ExtensionSystem;
auto plugin = Internal::CorePlugin::instance();
// HelpManager API can only be used after the actual implementation has been created by the
// Help plugin, so check that the plugins have all been created. That is the case
// when the Core plugin is initialized.
PluginSpec *pluginSpec = PluginManager::specForPlugin(plugin);
afterPluginCreation = (plugin && pluginSpec && pluginSpec->state() >= PluginSpec::Initialized);
QTC_CHECK(afterPluginCreation);
}
return m_instance != nullptr;
}
Signals *Signals::instance()
{
return m_signals;
}
Implementation::Implementation()
{
QTC_CHECK(!m_instance);
m_instance = this;
}
Implementation::~Implementation()
{
m_instance = nullptr;
}
QString documentationPath()
{
return QDir::cleanPath(QCoreApplication::applicationDirPath() + '/' + RELATIVE_DOC_PATH);
}
void registerDocumentation(const QStringList &files)
{
if (checkInstance())
m_instance->registerDocumentation(files);
}
void unregisterDocumentation(const QStringList &fileNames)
{
if (checkInstance())
m_instance->unregisterDocumentation(fileNames);
}
QMultiMap<QString, QUrl> linksForIdentifier(const QString &id)
{
return checkInstance() ? m_instance->linksForIdentifier(id) : QMultiMap<QString, QUrl>();
}
QMultiMap<QString, QUrl> linksForKeyword(const QString &keyword)
{
return checkInstance() ? m_instance->linksForKeyword(keyword) : QMultiMap<QString, QUrl>();
}
QByteArray fileData(const QUrl &url)
{
return checkInstance() ? m_instance->fileData(url) : QByteArray();
}
void showHelpUrl(const QUrl &url, HelpManager::HelpViewerLocation location)
{
if (checkInstance())
m_instance->showHelpUrl(url, location);
}
void showHelpUrl(const QString &url, HelpViewerLocation location)
{
showHelpUrl(QUrl(url), location);
}
void setBlockedDocumentation(const QStringList &fileNames)
{
if (checkInstance())
m_instance->setBlockedDocumentation(fileNames);
}
} // HelpManager
} // Core
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