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// 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"
#include <map>
#include "fpdfsdk/cfx_systemhandler.h"
#include "fxjs/cjs_app.h"
namespace {
using TimerMap = std::map<int32_t, GlobalTimer*>;
TimerMap* GetGlobalTimerMap() {
// Leak the timer array at shutdown.
static auto* s_TimerMap = new TimerMap;
return s_TimerMap;
}
} // namespace
GlobalTimer::GlobalTimer(CJS_App* pObj,
CPDFSDK_FormFillEnvironment* pFormFillEnv,
CJS_Runtime* pRuntime,
Type nType,
const WideString& script,
uint32_t dwElapse,
uint32_t dwTimeOut)
: m_nTimerID(pFormFillEnv->GetSysHandler()->SetTimer(dwElapse, Trigger)),
m_pEmbedApp(pObj),
m_nType(nType),
m_dwTimeOut(dwTimeOut),
m_swJScript(script),
m_pRuntime(pRuntime),
m_pFormFillEnv(pFormFillEnv) {
if (HasValidID())
(*GetGlobalTimerMap())[m_nTimerID] = this;
}
GlobalTimer::~GlobalTimer() {
if (!HasValidID())
return;
if (GetRuntime())
m_pFormFillEnv->GetSysHandler()->KillTimer(m_nTimerID);
GetGlobalTimerMap()->erase(m_nTimerID);
}
// static
void GlobalTimer::Trigger(int32_t 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_pEmbedApp)
pTimer->m_pEmbedApp->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_pEmbedApp->CancelProc(pTimer);
}
// static
void GlobalTimer::Cancel(int32_t nTimerID) {
auto it = GetGlobalTimerMap()->find(nTimerID);
if (it == GetGlobalTimerMap()->end())
return;
GlobalTimer* pTimer = it->second;
pTimer->m_pEmbedApp->CancelProc(pTimer);
}
bool GlobalTimer::HasValidID() const {
return m_nTimerID != CFX_SystemHandler::kInvalidTimerID;
}