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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 "chrome/browser/idle_query_linux.h"
#include <X11/Xlib.h>
#include <X11/extensions/scrnsaver.h>
namespace browser {
class IdleData {
public:
IdleData() {
int event_base;
int error_base;
display = XOpenDisplay(NULL);
if (XScreenSaverQueryExtension(display, &event_base, &error_base)) {
mit_info = XScreenSaverAllocInfo();
} else {
mit_info = NULL;
}
}
~IdleData() {
if (display) {
XCloseDisplay(display);
display = NULL;
}
if (mit_info)
XFree(mit_info);
}
XScreenSaverInfo *mit_info;
Display *display;
};
IdleQueryLinux::IdleQueryLinux() : idle_data_(new IdleData()) {}
IdleQueryLinux::~IdleQueryLinux() {}
int IdleQueryLinux::IdleTime() {
if (!idle_data_->mit_info || !idle_data_->display)
return 0;
if (XScreenSaverQueryInfo(idle_data_->display,
RootWindow(idle_data_->display, 0),
idle_data_->mit_info)) {
return (idle_data_->mit_info->idle) / 1000;
} else {
return 0;
}
}
} // namespace browser
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