C++ PluginPackage类代码示例

int PluginDatabase::preferredPluginCompare(const void* a, const void* b)
{
    PluginPackage* pluginA = *static_cast<PluginPackage* const*>(a);
    PluginPackage* pluginB = *static_cast<PluginPackage* const*>(b);

    return pluginA->compare(*pluginB);
}

String PluginDatabase::MIMETypeForExtension(const String& extension) const
{
    if (extension.isEmpty())
        return String();

    PluginSet::const_iterator end = m_plugins.end();
    String mimeType;
    Vector<PluginPackage*, 2> pluginChoices;
    HashMap<PluginPackage*, String> mimeTypeForPlugin;

    for (PluginSet::const_iterator it = m_plugins.begin(); it != end; ++it) {
        if (!(*it)->isEnabled())
            continue;

        MIMEToExtensionsMap::const_iterator mime_end = (*it)->mimeToExtensions().end();

        for (MIMEToExtensionsMap::const_iterator mime_it = (*it)->mimeToExtensions().begin(); mime_it != mime_end; ++mime_it) {
            mimeType = mime_it->first;
            PluginPackage* preferredPlugin = m_preferredPlugins.get(mimeType).get();
            const Vector<String>& extensions = mime_it->second;
            bool foundMapping = false;
            for (unsigned i = 0; i < extensions.size(); i++) {
                if (equalIgnoringCase(extensions[i], extension)) {
                    PluginPackage* plugin = (*it).get();

                    if (preferredPlugin && PluginPackage::equal(*plugin, *preferredPlugin))
                        return mimeType;

#if ENABLE(NETSCAPE_PLUGIN_METADATA_CACHE)
                    if (!plugin->ensurePluginLoaded())
                        continue;
#endif
                    pluginChoices.append(plugin);
                    mimeTypeForPlugin.add(plugin, mimeType);
                    foundMapping = true;
                    break;
                }
            }
            if (foundMapping)
                break;
        }
    }

    if (pluginChoices.isEmpty())
        return String();

    qsort(pluginChoices.data(), pluginChoices.size(), sizeof(PluginPackage*), PluginDatabase::preferredPluginCompare);

    return mimeTypeForPlugin.get(pluginChoices[0]);
}

PluginPackage* PluginDatabase::pluginForMIMEType(const String& mimeType)
{
    if (mimeType.isEmpty())
        return 0;

    String key = mimeType.lower();
    PluginSet::const_iterator end = m_plugins.end();
    PluginPackage* preferredPlugin = m_preferredPlugins.get(key).get();
    if (preferredPlugin
        && preferredPlugin->isEnabled()
        && preferredPlugin->mimeToDescriptions().contains(key)) {
        return preferredPlugin;
    }

    Vector<PluginPackage*, 2> pluginChoices;

    for (PluginSet::const_iterator it = m_plugins.begin(); it != end; ++it) {
        PluginPackage* plugin = (*it).get();

        if (!plugin->isEnabled())
            continue;

        if (plugin->mimeToDescriptions().contains(key))
            pluginChoices.append(plugin);
    }

    if (pluginChoices.isEmpty())
        return 0;

    qsort(pluginChoices.data(), pluginChoices.size(), sizeof(PluginPackage*), PluginDatabase::preferredPluginCompare);

    return pluginChoices[0];
}

PluginInfo* PluginInfoStore::createPluginInfoForPluginAtIndex(unsigned i) 
{ 
    PluginDatabase *db = PluginDatabase::installedPlugins();
    PluginInfo* info = new PluginInfo;
    PluginPackage* package = db->plugins()[i];

    info->name = package->name();
    info->file = package->fileName();
    info->desc = package->description();

    const MIMEToDescriptionsMap& mimeToDescriptions = package->mimeToDescriptions();
    MIMEToDescriptionsMap::const_iterator end = mimeToDescriptions.end();
    for (MIMEToDescriptionsMap::const_iterator it = mimeToDescriptions.begin(); it != end; ++it) {
        MimeClassInfo* mime = new MimeClassInfo;
        info->mimes.append(mime);
        
        mime->type = it->first;
        mime->desc = it->second;
        mime->plugin = info;

        Vector<String> extensions = package->mimeToExtensions().get(mime->type);
        
        for (unsigned i = 0; i < extensions.size(); i++) {
            if (i > 0)
                mime->suffixes += ",";

            mime->suffixes += extensions[i];
        }
    }

    return info;
}

void PluginData::initPlugins(const Page*)
{
    PluginDatabase* db = PluginDatabase::installedPlugins();
    const Vector<PluginPackage*> &plugins = db->plugins();

    for (unsigned int i = 0; i < plugins.size(); ++i) {
        PluginInfo info;
        PluginPackage* package = plugins[i];

        info.name = package->name();
        info.file = package->fileName();
        info.desc = package->description();

        const MIMEToDescriptionsMap& mimeToDescriptions = package->mimeToDescriptions();
        MIMEToDescriptionsMap::const_iterator end = mimeToDescriptions.end();
        for (MIMEToDescriptionsMap::const_iterator it = mimeToDescriptions.begin(); it != end; ++it) {
            MimeClassInfo mime;

            mime.type = it->key;
            mime.desc = it->value;
            mime.extensions = package->mimeToExtensions().get(mime.type);

            info.mimes.append(mime);
        }

        m_plugins.append(info);
    }
}

void PluginData::initPlugins(const Page* page)
{
    PluginDatabase *db = PluginDatabase::installedPlugins();
    const Vector<PluginPackage*> plugins = db->plugins();

    m_plugins.resize(plugins.size());
    for (unsigned i = 0; i < plugins.size(); ++i) {
        PluginPackage* package = plugins[i];

        m_plugins[i].name = package->name();
        m_plugins[i].file = package->fileName();
        m_plugins[i].desc = package->description();

        const MIMEToDescriptionsMap& mimeToDescriptions = package->mimeToDescriptions();
        unsigned j=0;
        m_plugins[i].mimes.resize(mimeToDescriptions.size());
        MIMEToDescriptionsMap::const_iterator end = mimeToDescriptions.end();
        for (MIMEToDescriptionsMap::const_iterator it = mimeToDescriptions.begin(); it != end; ++it) {
            m_plugins[i].mimes[j].type = it->key;
            m_plugins[i].mimes[j].desc = it->value;
            m_plugins[i].mimes[j].extensions = package->mimeToExtensions().get(m_plugins[i].mimes[j].type);
            j++;
        }
    }
}

int PluginPackage::compare(const PluginPackage& compareTo) const
{
    // Sort plug-ins that allow multiple instances first.
    bool AallowsMultipleInstances = !quirks().contains(PluginQuirkDontAllowMultipleInstances);
    bool BallowsMultipleInstances = !compareTo.quirks().contains(PluginQuirkDontAllowMultipleInstances);
    if (AallowsMultipleInstances != BallowsMultipleInstances)
        return AallowsMultipleInstances ? -1 : 1;

    // Sort plug-ins in a preferred path first.
    bool AisInPreferredDirectory = PluginDatabase::isPreferredPluginDirectory(parentDirectory());
    bool BisInPreferredDirectory = PluginDatabase::isPreferredPluginDirectory(compareTo.parentDirectory());
    if (AisInPreferredDirectory != BisInPreferredDirectory)
        return AisInPreferredDirectory ? -1 : 1;

    int diff = strcmp(name().utf8().data(), compareTo.name().utf8().data());
    if (diff)
        return diff;

    if (diff = compareFileVersion(compareTo.version()))
        return diff;

    return strcmp(parentDirectory().utf8().data(), compareTo.parentDirectory().utf8().data());
}

void PluginData::initPlugins()
{
#if QT_VERSION >= 0x040400
    QWebPage* webPage = static_cast<ChromeClientQt*>(m_page->chrome()->client())->m_webPage;
    QWebPluginFactory* factory = webPage->pluginFactory();
    if (factory) {

        QList<QWebPluginFactory::Plugin> qplugins = factory->plugins();
        for (int i = 0; i < qplugins.count(); ++i) {
            const QWebPluginFactory::Plugin& qplugin = qplugins.at(i);

            PluginInfo* info = new PluginInfo;
            info->name = qplugin.name;
            info->desc = qplugin.description;

            for (int j = 0; j < qplugin.mimeTypes.count(); ++j) {
                const QWebPluginFactory::MimeType& mimeType = qplugin.mimeTypes.at(j);

                MimeClassInfo* mimeInfo = new MimeClassInfo;
                mimeInfo->type = mimeType.name;
                mimeInfo->desc = mimeType.description;
                mimeInfo->suffixes = mimeType.fileExtensions.join(QLatin1String("; "));

                info->mimes.append(mimeInfo);
            }

            m_plugins.append(info);
        }
    }
#endif

    PluginDatabase *db = PluginDatabase::installedPlugins();
    const Vector<PluginPackage*> &plugins = db->plugins();

    for (unsigned int i = 0; i < plugins.size(); ++i) {
        PluginInfo* info = new PluginInfo;
        PluginPackage* package = plugins[i];

        info->name = package->name();
        info->file = package->fileName();
        info->desc = package->description();

        const MIMEToDescriptionsMap& mimeToDescriptions = package->mimeToDescriptions();
        MIMEToDescriptionsMap::const_iterator end = mimeToDescriptions.end();
        for (MIMEToDescriptionsMap::const_iterator it = mimeToDescriptions.begin(); it != end; ++it) {
            MimeClassInfo* mime = new MimeClassInfo;
            info->mimes.append(mime);

            mime->type = it->first;
            mime->desc = it->second;
            mime->plugin = info;

            Vector<String> extensions = package->mimeToExtensions().get(mime->type);

            for (unsigned i = 0; i < extensions.size(); i++) {
                if (i > 0)
                    mime->suffixes += ",";

                mime->suffixes += extensions[i];
            }
        }

        m_plugins.append(info);
    }
}