18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "SharedTimer.h" 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "Page.h" 30231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block#include "Settings.h" 31dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block#include "WebCoreInstanceHandle.h" 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "Widget.h" 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <wtf/Assertions.h> 34635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include <wtf/CurrentTime.h> 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// Note: wx headers set defines that affect the configuration of windows.h 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// so we must include the wx header first to get unicode versions of functions, 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// etc. 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#if PLATFORM(WX) 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <wx/wx.h> 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <windows.h> 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <mmsystem.h> 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 46635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#if PLATFORM(WIN) 47635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include "PluginView.h" 48635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#endif 49635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// These aren't in winuser.h with the MSVS 2003 Platform SDK, 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// so use default values in that case. 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#ifndef USER_TIMER_MINIMUM 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#define USER_TIMER_MINIMUM 0x0000000A 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#ifndef USER_TIMER_MAXIMUM 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#define USER_TIMER_MAXIMUM 0x7FFFFFFF 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#ifndef QS_RAWINPUT 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#define QS_RAWINPUT 0x0400 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic UINT timerID; 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic void (*sharedTimerFiredFunction)(); 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic HWND timerWindowHandle = 0; 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic UINT timerFiredMessage = 0; 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic HANDLE timerQueue; 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic HANDLE timer; 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic bool highResTimerActive; 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic bool processingCustomTimerMessage = false; 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic LONG pendingTimers; 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectconst LPCWSTR kTimerWindowClassName = L"TimerWindowClass"; 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectconst int timerResolution = 1; // To improve timer resolution, we call timeBeginPeriod/timeEndPeriod with this value to increase timer resolution to 1ms. 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectconst int highResolutionThresholdMsec = 16; // Only activate high-res timer for sub-16ms timers (Windows can fire timers at 16ms intervals without changing the system resolution). 808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectconst int stopHighResTimerInMsec = 300; // Stop high-res timer after 0.3 seconds to lessen power consumption (we don't use a smaller time since oscillating between high and low resolution breaks timer accuracy on XP). 818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectenum { 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project sharedTimerID = 1000, 848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project endHighResTimerID = 1001, 858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project}; 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectLRESULT CALLBACK TimerWindowWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) 888e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 898e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#if PLATFORM(WIN) 908e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // Windows Media Player has a modal message loop that will deliver messages 918e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // to us at inappropriate times and we will crash if we handle them when 928e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // they are delivered. We repost all messages so that we will get to handle 938e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // them once the modal loop exits. 948e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (PluginView::isCallingPlugin()) { 958e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project PostMessage(hWnd, message, wParam, lParam); 968e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return 0; 978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 988e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif 998e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1008e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (message == timerFiredMessage) { 1018e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project InterlockedExchange(&pendingTimers, 0); 1028e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project processingCustomTimerMessage = true; 1038e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project sharedTimerFiredFunction(); 1048e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project processingCustomTimerMessage = false; 1058e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } else if (message == WM_TIMER) { 1068e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (wParam == sharedTimerID) { 1078e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project KillTimer(timerWindowHandle, sharedTimerID); 1088e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project sharedTimerFiredFunction(); 1098e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } else if (wParam == endHighResTimerID) { 1108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project KillTimer(timerWindowHandle, endHighResTimerID); 1118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project highResTimerActive = false; 1128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project timeEndPeriod(timerResolution); 1138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 1148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } else 1158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return DefWindowProc(hWnd, message, wParam, lParam); 1168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return 0; 1188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic void initializeOffScreenTimerWindow() 1218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (timerWindowHandle) 1238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return; 1248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project WNDCLASSEX wcex; 1268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project memset(&wcex, 0, sizeof(WNDCLASSEX)); 1278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project wcex.cbSize = sizeof(WNDCLASSEX); 1288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project wcex.lpfnWndProc = TimerWindowWndProc; 129dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block wcex.hInstance = WebCore::instanceHandle(); 1308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project wcex.lpszClassName = kTimerWindowClassName; 1318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project RegisterClassEx(&wcex); 1328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project timerWindowHandle = CreateWindow(kTimerWindowClassName, 0, 0, 134dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, HWND_MESSAGE, 0, WebCore::instanceHandle(), 0); 1358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project timerFiredMessage = RegisterWindowMessage(L"com.apple.WebKit.TimerFired"); 1368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid setSharedTimerFiredFunction(void (*f)()) 1398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project sharedTimerFiredFunction = f; 1418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectstatic void NTAPI queueTimerProc(PVOID, BOOLEAN) 1448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (InterlockedIncrement(&pendingTimers) == 1) 1468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project PostMessage(timerWindowHandle, timerFiredMessage, 0, 0); 1478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid setSharedTimerFireTime(double fireTime) 1508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ASSERT(sharedTimerFiredFunction); 1528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project double interval = fireTime - currentTime(); 1548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project unsigned intervalInMS; 1558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (interval < 0) 1568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project intervalInMS = 0; 1578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project else { 1588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project interval *= 1000; 1598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (interval > USER_TIMER_MAXIMUM) 1608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project intervalInMS = USER_TIMER_MAXIMUM; 1618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project else 1628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project intervalInMS = (unsigned)interval; 1638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 1648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project initializeOffScreenTimerWindow(); 1668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool timerSet = false; 167231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 168231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (Settings::shouldUseHighResolutionTimers()) { 169231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (interval < highResolutionThresholdMsec) { 170231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (!highResTimerActive) { 171231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block highResTimerActive = true; 172231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block timeBeginPeriod(timerResolution); 173231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block } 174231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block SetTimer(timerWindowHandle, endHighResTimerID, stopHighResTimerInMsec, 0); 175231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block } 176231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 177231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block DWORD queueStatus = LOWORD(GetQueueStatus(QS_PAINT | QS_MOUSEBUTTON | QS_KEY | QS_RAWINPUT)); 178231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 179231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block // Win32 has a tri-level queue with application messages > user input > WM_PAINT/WM_TIMER. 180231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 181231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block // If the queue doesn't contains input events, we use a higher priorty timer event posting mechanism. 182231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (!(queueStatus & (QS_MOUSEBUTTON | QS_KEY | QS_RAWINPUT))) { 183231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (intervalInMS < USER_TIMER_MINIMUM && !processingCustomTimerMessage && !(queueStatus & QS_PAINT)) { 184231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block // Call PostMessage immediately if the timer is already expired, unless a paint is pending. 185231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block // (we prioritize paints over timers) 186231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (InterlockedIncrement(&pendingTimers) == 1) 187231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block PostMessage(timerWindowHandle, timerFiredMessage, 0, 0); 188231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block timerSet = true; 189231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block } else { 190231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block // Otherwise, delay the PostMessage via a CreateTimerQueueTimer 191231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (!timerQueue) 192231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block timerQueue = CreateTimerQueue(); 193231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (timer) 194231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block DeleteTimerQueueTimer(timerQueue, timer, 0); 195231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block timerSet = CreateTimerQueueTimer(&timer, timerQueue, queueTimerProc, 0, intervalInMS, 0, WT_EXECUTEINTIMERTHREAD | WT_EXECUTEONLYONCE); 196231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block } 1978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 1988e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 1998e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 2008e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (timerSet) { 2018e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (timerID) { 2028e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project KillTimer(timerWindowHandle, timerID); 2038e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project timerID = 0; 2048e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 205635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project } else { 2068e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project timerID = SetTimer(timerWindowHandle, sharedTimerID, intervalInMS, 0); 207635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project timer = 0; 208635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project } 2098e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 2108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 2118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectvoid stopSharedTimer() 2128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 213635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project if (timerQueue && timer) { 214635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project DeleteTimerQueueTimer(timerQueue, timer, 0); 215635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project timer = 0; 216635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project } 217635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 2188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (timerID) { 2198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project KillTimer(timerWindowHandle, timerID); 2208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project timerID = 0; 2218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 2228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 2238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 2248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 225