Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(381)

Side by Side Diff: ui/events/platform/x11/x11_event_source_glib.cc

Issue 853133002: Remove glib from the mojo build. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Also use_glib=false on Chromeos Created 5 years, 11 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « ui/events/platform/BUILD.gn ('k') | no next file » | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
1 // Copyright 2014 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/events/platform/x11/x11_event_source.h"
6
7 #include <glib.h>
8 #include <X11/Xlib.h>
9
10 namespace ui {
11
12 namespace {
13
14 struct GLibX11Source : public GSource {
15 // Note: The GLibX11Source is created and destroyed by GLib. So its
16 // constructor/destructor may or may not get called.
17 XDisplay* display;
18 GPollFD* poll_fd;
19 };
20
21 gboolean XSourcePrepare(GSource* source, gint* timeout_ms) {
22 GLibX11Source* gxsource = static_cast<GLibX11Source*>(source);
23 if (XPending(gxsource->display))
24 *timeout_ms = 0;
25 else
26 *timeout_ms = -1;
27 return FALSE;
28 }
29
30 gboolean XSourceCheck(GSource* source) {
31 GLibX11Source* gxsource = static_cast<GLibX11Source*>(source);
32 return XPending(gxsource->display);
33 }
34
35 gboolean XSourceDispatch(GSource* source,
36 GSourceFunc unused_func,
37 gpointer data) {
38 X11EventSource* x11_source = static_cast<X11EventSource*>(data);
39 x11_source->DispatchXEvents();
40 return TRUE;
41 }
42
43 GSourceFuncs XSourceFuncs = {
44 XSourcePrepare,
45 XSourceCheck,
46 XSourceDispatch,
47 NULL
48 };
49
50 class X11EventSourceGlib : public X11EventSource {
51 public:
52 explicit X11EventSourceGlib(XDisplay* display)
53 : X11EventSource(display),
54 x_source_(NULL) {
55 InitXSource(ConnectionNumber(display));
56 }
57
58 virtual ~X11EventSourceGlib() {
59 g_source_destroy(x_source_);
60 g_source_unref(x_source_);
61 }
62
63 private:
64 void InitXSource(int fd) {
65 CHECK(!x_source_);
66 CHECK(display()) << "Unable to get connection to X server";
67
68 x_poll_.reset(new GPollFD());
69 x_poll_->fd = fd;
70 x_poll_->events = G_IO_IN;
71 x_poll_->revents = 0;
72
73 GLibX11Source* glib_x_source = static_cast<GLibX11Source*>
74 (g_source_new(&XSourceFuncs, sizeof(GLibX11Source)));
75 glib_x_source->display = display();
76 glib_x_source->poll_fd = x_poll_.get();
77
78 x_source_ = glib_x_source;
79 g_source_add_poll(x_source_, x_poll_.get());
80 g_source_set_can_recurse(x_source_, TRUE);
81 g_source_set_callback(x_source_, NULL, this, NULL);
82 g_source_attach(x_source_, g_main_context_default());
83 }
84
85 // The GLib event source for X events.
86 GSource* x_source_;
87
88 // The poll attached to |x_source_|.
89 scoped_ptr<GPollFD> x_poll_;
90
91 DISALLOW_COPY_AND_ASSIGN(X11EventSourceGlib);
92 };
93
94 } // namespace
95
96 scoped_ptr<PlatformEventSource> PlatformEventSource::CreateDefault() {
97 return scoped_ptr<PlatformEventSource>(
98 new X11EventSourceGlib(gfx::GetXDisplay()));
99 }
100
101 } // namespace ui
OLDNEW
« no previous file with comments | « ui/events/platform/BUILD.gn ('k') | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698