1 /********************************************************************
2 Copyright © 2020 Roman Gilg <subdiff@gmail.com>
3 
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) version 3, or any
8 later version accepted by the membership of KDE e.V. (or its
9 successor approved by the membership of KDE e.V.), which shall
10 act as a proxy defined in Section 6 of version 3 of the license.
11 
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 Lesser General Public License for more details.
16 
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library.  If not, see <http://www.gnu.org/licenses/>.
19 *********************************************************************/
20 #include "data_device_manager.h"
21 
22 #include "client.h"
23 #include "data_device.h"
24 #include "data_source.h"
25 #include "display.h"
26 #include "selection_device_manager_p.h"
27 
28 #include "wayland/bind.h"
29 #include "wayland/global.h"
30 
31 #include <wayland-server.h>
32 
33 namespace Wrapland::Server
34 {
35 
36 constexpr uint32_t DataDeviceManagerVersion = 3;
37 using DataDeviceManagerGlobal = Wayland::Global<DataDeviceManager, DataDeviceManagerVersion>;
38 
39 class DataDeviceManager::Private : public device_manager<DataDeviceManagerGlobal>
40 {
41 public:
42     Private(DataDeviceManager* q, Display* display);
43 
44 private:
45     static const struct wl_data_device_manager_interface s_interface;
46 };
47 
48 const struct wl_data_device_manager_interface DataDeviceManager::Private::s_interface = {
49     cb<create_source>,
50     cb<get_device>,
51 };
52 
Private(DataDeviceManager * q,Display * display)53 DataDeviceManager::Private::Private(DataDeviceManager* q, Display* display)
54     : device_manager<DataDeviceManagerGlobal>(q,
55                                               display,
56                                               &wl_data_device_manager_interface,
57                                               &s_interface)
58 {
59 }
60 
DataDeviceManager(Display * display,QObject * parent)61 DataDeviceManager::DataDeviceManager(Display* display, [[maybe_unused]] QObject* parent)
62     : QObject(parent)
63     , d_ptr(new Private(this, display))
64 {
65     d_ptr->create();
66 }
67 
68 DataDeviceManager::~DataDeviceManager() = default;
69 
create_source(Client * client,uint32_t version,uint32_t id)70 void DataDeviceManager::create_source(Client* client, uint32_t version, uint32_t id)
71 {
72     auto source = new DataSource(client, version, id);
73     if (!source) {
74         return;
75     }
76 
77     Q_EMIT sourceCreated(source);
78 }
79 
get_device(Client * client,uint32_t version,uint32_t id,Seat * seat)80 void DataDeviceManager::get_device(Client* client, uint32_t version, uint32_t id, Seat* seat)
81 {
82     auto device = new DataDevice(client, version, id, seat);
83     if (!device) {
84         return;
85     }
86 
87     QObject::connect(device, &DataDevice::dragStarted, seat, [seat, device] {
88         seat->d_ptr->drags.perform_drag(device);
89     });
90 
91     seat->d_ptr->data_devices.register_device(device);
92     Q_EMIT deviceCreated(device);
93 }
94 
95 }
96