/******************************************************************** Copyright 2014 Martin Gräßlin This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) version 3, or any later version accepted by the membership of KDE e.V. (or its successor approved by the membership of KDE e.V.), which shall act as a proxy defined in Section 6 of version 3 of the license. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library. If not, see . *********************************************************************/ #include "datasource_interface.h" #include "datadevicemanager_interface.h" #include "clientconnection.h" #include "resource_p.h" // Qt #include // Wayland #include // system #include namespace KWayland { namespace Server { class DataSourceInterface::Private : public Resource::Private { public: Private(DataSourceInterface *q, DataDeviceManagerInterface *parent, wl_resource *parentResource); ~Private(); QStringList mimeTypes; // sensible default for < version 3 DataDeviceManagerInterface::DnDActions supportedDnDActions = DataDeviceManagerInterface::DnDAction::Copy; private: DataSourceInterface *q_func() { return reinterpret_cast(q); } void offer(const QString &mimeType); static void offerCallback(wl_client *client, wl_resource *resource, const char *mimeType); static void setActionsCallback(wl_client *client, wl_resource *resource, uint32_t dnd_actions); const static struct wl_data_source_interface s_interface; }; #ifndef DOXYGEN_SHOULD_SKIP_THIS const struct wl_data_source_interface DataSourceInterface::Private::s_interface = { offerCallback, resourceDestroyedCallback, setActionsCallback }; #endif DataSourceInterface::Private::Private(DataSourceInterface *q, DataDeviceManagerInterface *parent, wl_resource *parentResource) : Resource::Private(q, parent, parentResource, &wl_data_source_interface, &s_interface) { } DataSourceInterface::Private::~Private() = default; void DataSourceInterface::Private::offerCallback(wl_client *client, wl_resource *resource, const char *mimeType) { Q_UNUSED(client) cast(resource)->offer(QString::fromUtf8(mimeType)); } void DataSourceInterface::Private::offer(const QString &mimeType) { mimeTypes << mimeType; Q_Q(DataSourceInterface); emit q->mimeTypeOffered(mimeType); } void DataSourceInterface::Private::setActionsCallback(wl_client *client, wl_resource *resource, uint32_t dnd_actions) { Q_UNUSED(client) DataDeviceManagerInterface::DnDActions supportedActions; if (dnd_actions & WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY) { supportedActions |= DataDeviceManagerInterface::DnDAction::Copy; } if (dnd_actions & WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE) { supportedActions |= DataDeviceManagerInterface::DnDAction::Move; } if (dnd_actions & WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK) { supportedActions |= DataDeviceManagerInterface::DnDAction::Ask; } // verify that the no other actions are sent if (dnd_actions & ~(WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY | WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE | WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK)) { wl_resource_post_error(resource, WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK, "Invalid action mask"); return; } auto p = cast(resource); if (p->supportedDnDActions!= supportedActions) { p->supportedDnDActions = supportedActions; emit p->q_func()->supportedDragAndDropActionsChanged(); } } DataSourceInterface::DataSourceInterface(DataDeviceManagerInterface *parent, wl_resource *parentResource) : Resource(new Private(this, parent, parentResource)) { } DataSourceInterface::~DataSourceInterface() = default; void DataSourceInterface::accept(const QString &mimeType) { Q_D(); // TODO: does this require a sanity check on the possible mimeType? wl_data_source_send_target(d->resource, mimeType.isEmpty() ? nullptr : mimeType.toUtf8().constData()); } void DataSourceInterface::requestData(const QString &mimeType, qint32 fd) { Q_D(); // TODO: does this require a sanity check on the possible mimeType? if (d->resource) { wl_data_source_send_send(d->resource, mimeType.toUtf8().constData(), int32_t(fd)); } close(fd); } void DataSourceInterface::cancel() { Q_D(); if (!d->resource) { return; } wl_data_source_send_cancelled(d->resource); client()->flush(); } QStringList DataSourceInterface::mimeTypes() const { Q_D(); return d->mimeTypes; } DataSourceInterface *DataSourceInterface::get(wl_resource *native) { return Private::get(native); } DataSourceInterface::Private *DataSourceInterface::d_func() const { return reinterpret_cast(d.data()); } DataDeviceManagerInterface::DnDActions DataSourceInterface::supportedDragAndDropActions() const { Q_D(); return d->supportedDnDActions; } void DataSourceInterface::dropPerformed() { Q_D(); if (wl_resource_get_version(d->resource) < WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION) { return; } wl_data_source_send_dnd_drop_performed(d->resource); } void DataSourceInterface::dndFinished() { Q_D(); if (wl_resource_get_version(d->resource) < WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION) { return; } wl_data_source_send_dnd_finished(d->resource); } void DataSourceInterface::dndAction(DataDeviceManagerInterface::DnDAction action) { Q_D(); if (wl_resource_get_version(d->resource) < WL_DATA_SOURCE_ACTION_SINCE_VERSION) { return; } uint32_t wlAction = WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE; if (action == DataDeviceManagerInterface::DnDAction::Copy) { wlAction = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY; } else if (action == DataDeviceManagerInterface::DnDAction::Move ) { wlAction = WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE; } else if (action == DataDeviceManagerInterface::DnDAction::Ask) { wlAction = WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK; } wl_data_source_send_action(d->resource, wlAction); } } }