source: mainline/uspace/lib/display/src/disp_srv.c@ 1e4a937

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 1e4a937 was 1e4a937, checked in by Jiri Svoboda <jiri@…>, 5 years ago

Add libdisplay method for initiating window resize
  • Property mode set to 100644
File size: 7.8 KB
Line 
1/*
2 * Copyright (c) 2019 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libdisplay
30 * @{
31 */
32/**
33 * @file
34 * @brief Display protocol server stub
35 */
36
37#include <disp_srv.h>
38#include <display/event.h>
39#include <display/wndresize.h>
40#include <errno.h>
41#include <io/log.h>
42#include <ipc/display.h>
43#include <mem.h>
44#include <stdlib.h>
45#include <stddef.h>
46#include "../private/params.h"
47
48static void display_callback_create_srv(display_srv_t *srv, ipc_call_t *call)
49{
50 async_sess_t *sess = async_callback_receive(EXCHANGE_SERIALIZE);
51 if (sess == NULL) {
52 async_answer_0(call, ENOMEM);
53 return;
54 }
55
56 srv->client_sess = sess;
57 async_answer_0(call, EOK);
58}
59
60static void display_window_create_srv(display_srv_t *srv, ipc_call_t *icall)
61{
62 sysarg_t wnd_id;
63 ipc_call_t call;
64 display_wnd_params_t params;
65 size_t size;
66 errno_t rc;
67
68 if (!async_data_write_receive(&call, &size)) {
69 async_answer_0(&call, EREFUSED);
70 async_answer_0(icall, EREFUSED);
71 return;
72 }
73
74 if (size != sizeof(display_wnd_params_t)) {
75 async_answer_0(&call, EINVAL);
76 async_answer_0(icall, EINVAL);
77 return;
78 }
79
80 rc = async_data_write_finalize(&call, &params, size);
81 if (rc != EOK) {
82 async_answer_0(&call, rc);
83 async_answer_0(icall, rc);
84 return;
85 }
86
87 if (srv->ops->window_create == NULL) {
88 async_answer_0(icall, ENOTSUP);
89 return;
90 }
91
92 rc = srv->ops->window_create(srv->arg, &params, &wnd_id);
93 async_answer_1(icall, rc, wnd_id);
94}
95
96static void display_window_destroy_srv(display_srv_t *srv, ipc_call_t *icall)
97{
98 sysarg_t wnd_id;
99 errno_t rc;
100
101 wnd_id = ipc_get_arg1(icall);
102
103 if (srv->ops->window_destroy == NULL) {
104 async_answer_0(icall, ENOTSUP);
105 return;
106 }
107
108 rc = srv->ops->window_destroy(srv->arg, wnd_id);
109 async_answer_0(icall, rc);
110}
111
112static void display_window_move_req_srv(display_srv_t *srv, ipc_call_t *icall)
113{
114 sysarg_t wnd_id;
115 ipc_call_t call;
116 gfx_coord2_t pos;
117 size_t size;
118 errno_t rc;
119
120 wnd_id = ipc_get_arg1(icall);
121
122 if (!async_data_write_receive(&call, &size)) {
123 async_answer_0(&call, EREFUSED);
124 async_answer_0(icall, EREFUSED);
125 return;
126 }
127
128 if (size != sizeof(gfx_coord2_t)) {
129 async_answer_0(&call, EINVAL);
130 async_answer_0(icall, EINVAL);
131 return;
132 }
133
134 rc = async_data_write_finalize(&call, &pos, size);
135 if (rc != EOK) {
136 async_answer_0(&call, rc);
137 async_answer_0(icall, rc);
138 return;
139 }
140
141 if (srv->ops->window_move_req == NULL) {
142 async_answer_0(icall, ENOTSUP);
143 return;
144 }
145
146 rc = srv->ops->window_move_req(srv->arg, wnd_id, &pos);
147 async_answer_0(icall, rc);
148}
149
150static void display_window_resize_req_srv(display_srv_t *srv, ipc_call_t *icall)
151{
152 sysarg_t wnd_id;
153 ipc_call_t call;
154 display_wnd_rsztype_t rsztype;
155 gfx_coord2_t pos;
156 size_t size;
157 errno_t rc;
158
159 wnd_id = ipc_get_arg1(icall);
160 rsztype = (display_wnd_rsztype_t) ipc_get_arg2(icall);
161
162 if (!async_data_write_receive(&call, &size)) {
163 async_answer_0(&call, EREFUSED);
164 async_answer_0(icall, EREFUSED);
165 return;
166 }
167
168 if (size != sizeof(gfx_coord2_t)) {
169 async_answer_0(&call, EINVAL);
170 async_answer_0(icall, EINVAL);
171 return;
172 }
173
174 rc = async_data_write_finalize(&call, &pos, size);
175 if (rc != EOK) {
176 async_answer_0(&call, rc);
177 async_answer_0(icall, rc);
178 return;
179 }
180
181 if (srv->ops->window_resize_req == NULL) {
182 async_answer_0(icall, ENOTSUP);
183 return;
184 }
185
186 rc = srv->ops->window_resize_req(srv->arg, wnd_id, rsztype, &pos);
187 async_answer_0(icall, rc);
188}
189
190static void display_window_resize_srv(display_srv_t *srv, ipc_call_t *icall)
191{
192 sysarg_t wnd_id;
193 ipc_call_t call;
194 display_wnd_resize_t wresize;
195 size_t size;
196 errno_t rc;
197
198 wnd_id = ipc_get_arg1(icall);
199
200 if (!async_data_write_receive(&call, &size)) {
201 async_answer_0(&call, EREFUSED);
202 async_answer_0(icall, EREFUSED);
203 return;
204 }
205
206 if (size != sizeof(display_wnd_resize_t)) {
207 async_answer_0(&call, EINVAL);
208 async_answer_0(icall, EINVAL);
209 return;
210 }
211
212 rc = async_data_write_finalize(&call, &wresize, size);
213 if (rc != EOK) {
214 async_answer_0(&call, rc);
215 async_answer_0(icall, rc);
216 return;
217 }
218
219 if (srv->ops->window_resize == NULL) {
220 async_answer_0(icall, ENOTSUP);
221 return;
222 }
223
224 rc = srv->ops->window_resize(srv->arg, wnd_id, &wresize.offs,
225 &wresize.nrect);
226 async_answer_0(icall, rc);
227}
228
229static void display_get_event_srv(display_srv_t *srv, ipc_call_t *icall)
230{
231 sysarg_t wnd_id;
232 display_wnd_ev_t event;
233 ipc_call_t call;
234 size_t size;
235 errno_t rc;
236
237 if (srv->ops->get_event == NULL) {
238 async_answer_0(icall, ENOTSUP);
239 return;
240 }
241
242 rc = srv->ops->get_event(srv->arg, &wnd_id, &event);
243 if (rc != EOK) {
244 async_answer_0(icall, rc);
245 return;
246 }
247
248 /* Transfer event data */
249 if (!async_data_read_receive(&call, &size)) {
250 async_answer_0(icall, EREFUSED);
251 return;
252 }
253
254 if (size != sizeof(event)) {
255 async_answer_0(icall, EREFUSED);
256 async_answer_0(&call, EREFUSED);
257 return;
258 }
259
260 rc = async_data_read_finalize(&call, &event, sizeof(event));
261 if (rc != EOK) {
262 async_answer_0(icall, rc);
263 async_answer_0(&call, rc);
264 return;
265 }
266
267 async_answer_1(icall, EOK, wnd_id);
268}
269
270void display_conn(ipc_call_t *icall, display_srv_t *srv)
271{
272 /* Accept the connection */
273 async_accept_0(icall);
274
275 while (true) {
276 ipc_call_t call;
277
278 async_get_call(&call);
279 sysarg_t method = ipc_get_imethod(&call);
280
281 if (!method) {
282 /* The other side has hung up */
283 async_answer_0(&call, EOK);
284 break;
285 }
286
287 switch (method) {
288 case DISPLAY_CALLBACK_CREATE:
289 display_callback_create_srv(srv, &call);
290 break;
291 case DISPLAY_WINDOW_CREATE:
292 display_window_create_srv(srv, &call);
293 break;
294 case DISPLAY_WINDOW_DESTROY:
295 display_window_destroy_srv(srv, &call);
296 break;
297 case DISPLAY_WINDOW_MOVE_REQ:
298 display_window_move_req_srv(srv, &call);
299 break;
300 case DISPLAY_WINDOW_RESIZE_REQ:
301 display_window_resize_req_srv(srv, &call);
302 break;
303 case DISPLAY_WINDOW_RESIZE:
304 display_window_resize_srv(srv, &call);
305 break;
306 case DISPLAY_GET_EVENT:
307 display_get_event_srv(srv, &call);
308 break;
309 default:
310 async_answer_0(&call, ENOTSUP);
311 }
312 }
313
314 /* Hang up callback session */
315 if (srv->client_sess != NULL) {
316 async_hangup(srv->client_sess);
317 srv->client_sess = NULL;
318 }
319}
320
321/** Initialize display server structure
322 *
323 * @param srv Display server structure to initialize
324 */
325void display_srv_initialize(display_srv_t *srv)
326{
327 memset(srv, 0, sizeof(*srv));
328}
329
330/** Send 'pending' event to client.
331 *
332 * @param srv Display server structure
333 */
334void display_srv_ev_pending(display_srv_t *srv)
335{
336 async_exch_t *exch;
337
338 exch = async_exchange_begin(srv->client_sess);
339 async_msg_0(exch, DISPLAY_EV_PENDING);
340 async_exchange_end(exch);
341}
342
343/** @}
344 */
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