| /* |
| * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "SystemTime.h" |
| |
| #include <windows.h> |
| |
| #if COMPILER(MINGW) || (PLATFORM(QT) && COMPILER(MSVC)) |
| #include <float.h> |
| #define FLOAT_MAX FLT_MAX |
| #endif |
| |
| namespace WebCore { |
| |
| float userIdleTime() |
| { |
| #if !OS(WINCE) |
| LASTINPUTINFO lastInputInfo = {0}; |
| lastInputInfo.cbSize = sizeof(LASTINPUTINFO); |
| if (::GetLastInputInfo(&lastInputInfo)) |
| return (GetTickCount() - lastInputInfo.dwTime) * 0.001; // ::GetTickCount returns ms of uptime valid for up to 49.7 days. |
| #endif |
| return FLT_MAX; // return an arbitrarily high userIdleTime so that releasing pages from the page cache isn't postponed. |
| } |
| |
| } |
