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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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