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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/wayland/wayland_message_pump.h"
#include <wayland-client.h>
#include "ui/wayland/wayland_display.h"
namespace ui {
WaylandMessagePump::WaylandMessagePump(WaylandDisplay* display)
: display_(display) {
static GSourceFuncs kSourceHandlers = {
WaylandMessagePump::SourcePrepare,
WaylandMessagePump::SourceCheck,
WaylandMessagePump::SourceDispatch,
NULL
};
source_ = static_cast<WorkSource*>(
g_source_new(&kSourceHandlers, sizeof(WorkSource)));
source_->pump = this;
pfd_.fd = wl_display_get_fd(display_->display(),
WaylandMessagePump::SourceUpdate,
source_);
pfd_.events = G_IO_IN | G_IO_ERR;
g_source_add_poll(source_, &pfd_);
g_source_attach(source_, NULL);
}
WaylandMessagePump::~WaylandMessagePump() {
g_source_destroy(source_);
g_source_unref(source_);
}
int WaylandMessagePump::HandlePrepare() {
while (mask_ & WL_DISPLAY_WRITABLE)
wl_display_iterate(display_->display(), WL_DISPLAY_WRITABLE);
return -1;
}
bool WaylandMessagePump::HandleCheck() {
return pfd_.revents;
}
void WaylandMessagePump::HandleDispatch() {
wl_display_iterate(display_->display(), WL_DISPLAY_READABLE);
}
// static
gboolean WaylandMessagePump::SourcePrepare(GSource* source, gint* timeout) {
*timeout = static_cast<WorkSource*>(source)->pump->HandlePrepare();
return FALSE;
}
// static
gboolean WaylandMessagePump::SourceCheck(GSource* source) {
return static_cast<WorkSource*>(source)->pump->HandleCheck();
}
// static
gboolean WaylandMessagePump::SourceDispatch(GSource* source,
GSourceFunc callback,
gpointer data) {
static_cast<WorkSource*>(source)->pump->HandleDispatch();
return TRUE;
}
// static
int WaylandMessagePump::SourceUpdate(uint32_t mask, void* data) {
static_cast<WorkSource*>(data)->pump->mask_ = mask;
return 0;
}
} // namespace ui
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