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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "ui/wayland/wayland_message_pump.h" | |
6 | |
7 #include <wayland-client.h> | |
8 | |
9 #include "ui/wayland/wayland_display.h" | |
10 | |
11 namespace ui { | |
12 | |
13 WaylandMessagePump::WaylandMessagePump(WaylandDisplay* display) | |
14 : display_(display) { | |
15 static GSourceFuncs kSourceHandlers = { | |
16 WaylandMessagePump::SourcePrepare, | |
17 WaylandMessagePump::SourceCheck, | |
18 WaylandMessagePump::SourceDispatch, | |
19 NULL | |
20 }; | |
21 | |
22 source_ = static_cast<WorkSource*>( | |
23 g_source_new(&kSourceHandlers, sizeof(WorkSource))); | |
24 source_->pump = this; | |
25 pfd_.fd = wl_display_get_fd(display_->display(), | |
26 WaylandMessagePump::SourceUpdate, | |
27 source_); | |
28 pfd_.events = G_IO_IN | G_IO_ERR; | |
29 g_source_add_poll(source_, &pfd_); | |
30 g_source_attach(source_, NULL); | |
31 } | |
32 | |
33 WaylandMessagePump::~WaylandMessagePump() { | |
34 g_source_destroy(source_); | |
35 g_source_unref(source_); | |
36 } | |
37 | |
38 int WaylandMessagePump::HandlePrepare() { | |
39 while (mask_ & WL_DISPLAY_WRITABLE) | |
40 wl_display_iterate(display_->display(), WL_DISPLAY_WRITABLE); | |
41 | |
42 return -1; | |
43 } | |
44 | |
45 bool WaylandMessagePump::HandleCheck() { | |
46 return pfd_.revents; | |
47 } | |
48 | |
49 void WaylandMessagePump::HandleDispatch() { | |
50 wl_display_iterate(display_->display(), WL_DISPLAY_READABLE); | |
51 } | |
52 | |
53 // static | |
54 gboolean WaylandMessagePump::SourcePrepare(GSource* source, gint* timeout) { | |
55 *timeout = static_cast<WorkSource*>(source)->pump->HandlePrepare(); | |
56 return FALSE; | |
57 } | |
58 | |
59 // static | |
60 gboolean WaylandMessagePump::SourceCheck(GSource* source) { | |
61 return static_cast<WorkSource*>(source)->pump->HandleCheck(); | |
62 } | |
63 | |
64 // static | |
65 gboolean WaylandMessagePump::SourceDispatch(GSource* source, | |
66 GSourceFunc callback, | |
67 gpointer data) { | |
68 static_cast<WorkSource*>(source)->pump->HandleDispatch(); | |
69 return TRUE; | |
70 } | |
71 | |
72 // static | |
73 int WaylandMessagePump::SourceUpdate(uint32_t mask, void* data) { | |
74 static_cast<WorkSource*>(data)->pump->mask_ = mask; | |
75 return 0; | |
76 } | |
77 | |
78 } // namespace ui | |
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