1 files changed, 62 insertions, 0 deletions
diff --git a/fpdfsdk/pdfwindow/cpwl_timer.cpp b/fpdfsdk/pdfwindow/cpwl_timer.cpp
new file mode 100644
index 0000000000..03b183821f
--- /dev/null
+++ b/fpdfsdk/pdfwindow/cpwl_timer.cpp
@@ -0,0 +1,62 @@
+// 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 "fpdfsdk/pdfwindow/cpwl_timer.h"
+
+#include <map>
+
+#include "fpdfsdk/cfx_systemhandler.h"
+#include "fpdfsdk/pdfwindow/cpwl_timer_handler.h"
+
+namespace {
+
+std::map<int32_t, CPWL_Timer*>& GetPWLTimeMap() {
+  // Leak the object at shutdown.
+  static auto* timeMap = new std::map<int32_t, CPWL_Timer*>;
+  return *timeMap;
+}
+
+}  // namespace
+
+CPWL_Timer::CPWL_Timer(CPWL_TimerHandler* pAttached,
+                       CFX_SystemHandler* pSystemHandler)
+    : m_nTimerID(0), m_pAttached(pAttached), m_pSystemHandler(pSystemHandler) {
+  ASSERT(m_pAttached);
+  ASSERT(m_pSystemHandler);
+}
+
+CPWL_Timer::~CPWL_Timer() {
+  KillPWLTimer();
+}
+
+int32_t CPWL_Timer::SetPWLTimer(int32_t nElapse) {
+  if (m_nTimerID != 0)
+    KillPWLTimer();
+  m_nTimerID = m_pSystemHandler->SetTimer(nElapse, TimerProc);
+
+  GetPWLTimeMap()[m_nTimerID] = this;
+  return m_nTimerID;
+}
+
+void CPWL_Timer::KillPWLTimer() {
+  if (m_nTimerID == 0)
+    return;
+
+  m_pSystemHandler->KillTimer(m_nTimerID);
+  GetPWLTimeMap().erase(m_nTimerID);
+  m_nTimerID = 0;
+}
+
+// static
+void CPWL_Timer::TimerProc(int32_t idEvent) {
+  auto it = GetPWLTimeMap().find(idEvent);
+  if (it == GetPWLTimeMap().end())
+    return;
+
+  CPWL_Timer* pTimer = it->second;
+  if (pTimer->m_pAttached)
+    pTimer->m_pAttached->TimerProc();
+}