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-rw-r--r--fxjs/global_timer.cpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/fxjs/global_timer.cpp b/fxjs/global_timer.cpp
new file mode 100644
index 0000000000..6f7f09c673
--- /dev/null
+++ b/fxjs/global_timer.cpp
@@ -0,0 +1,80 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "fxjs/global_timer.h"
+
+GlobalTimer::GlobalTimer(app* pObj,
+ CPDFSDK_FormFillEnvironment* pFormFillEnv,
+ CJS_Runtime* pRuntime,
+ int nType,
+ const WideString& script,
+ uint32_t dwElapse,
+ uint32_t dwTimeOut)
+ : m_nTimerID(0),
+ m_pEmbedObj(pObj),
+ m_bProcessing(false),
+ m_nType(nType),
+ m_dwTimeOut(dwTimeOut),
+ m_swJScript(script),
+ m_pRuntime(pRuntime),
+ m_pFormFillEnv(pFormFillEnv) {
+ CFX_SystemHandler* pHandler = m_pFormFillEnv->GetSysHandler();
+ m_nTimerID = pHandler->SetTimer(dwElapse, Trigger);
+ if (m_nTimerID)
+ (*GetGlobalTimerMap())[m_nTimerID] = this;
+}
+
+GlobalTimer::~GlobalTimer() {
+ if (!m_nTimerID)
+ return;
+
+ if (GetRuntime())
+ m_pFormFillEnv->GetSysHandler()->KillTimer(m_nTimerID);
+
+ GetGlobalTimerMap()->erase(m_nTimerID);
+}
+
+// static
+void GlobalTimer::Trigger(int nTimerID) {
+ auto it = GetGlobalTimerMap()->find(nTimerID);
+ if (it == GetGlobalTimerMap()->end())
+ return;
+
+ GlobalTimer* pTimer = it->second;
+ if (pTimer->m_bProcessing)
+ return;
+
+ pTimer->m_bProcessing = true;
+ if (pTimer->m_pEmbedObj)
+ pTimer->m_pEmbedObj->TimerProc(pTimer);
+
+ // Timer proc may have destroyed timer, find it again.
+ it = GetGlobalTimerMap()->find(nTimerID);
+ if (it == GetGlobalTimerMap()->end())
+ return;
+
+ pTimer = it->second;
+ pTimer->m_bProcessing = false;
+ if (pTimer->IsOneShot())
+ pTimer->m_pEmbedObj->CancelProc(pTimer);
+}
+
+// static
+void GlobalTimer::Cancel(int nTimerID) {
+ auto it = GetGlobalTimerMap()->find(nTimerID);
+ if (it == GetGlobalTimerMap()->end())
+ return;
+
+ GlobalTimer* pTimer = it->second;
+ pTimer->m_pEmbedObj->CancelProc(pTimer);
+}
+
+// static
+GlobalTimer::TimerMap* GlobalTimer::GetGlobalTimerMap() {
+ // Leak the timer array at shutdown.
+ static auto* s_TimerMap = new TimerMap;
+ return s_TimerMap;
+}