| // Copyright 2017 The PDFium Authors |
| // 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 "core/fxcrt/cfx_timer.h" |
| #include "fxjs/cjs_app.h" |
| #include "third_party/base/check.h" |
| #include "third_party/base/containers/contains.h" |
| #include "third_party/base/no_destructor.h" |
| |
| namespace { |
| |
| using TimerMap = std::map<int32_t, GlobalTimer*>; |
| TimerMap& GetGlobalTimerMap() { |
| static pdfium::base::NoDestructor<TimerMap> timer_map; |
| return *timer_map; |
| } |
| |
| } // namespace |
| |
| GlobalTimer::GlobalTimer(CJS_App* pObj, |
| CJS_Runtime* pRuntime, |
| Type nType, |
| const WideString& script, |
| uint32_t dwElapse, |
| uint32_t dwTimeOut) |
| : m_nType(nType), |
| m_nTimerID(pRuntime->GetTimerHandler()->SetTimer(dwElapse, Trigger)), |
| m_dwTimeOut(dwTimeOut), |
| m_swJScript(script), |
| m_pRuntime(pRuntime), |
| m_pEmbedApp(pObj) { |
| if (HasValidID()) { |
| DCHECK(!pdfium::Contains(GetGlobalTimerMap(), m_nTimerID)); |
| GetGlobalTimerMap()[m_nTimerID] = this; |
| } |
| } |
| |
| GlobalTimer::~GlobalTimer() { |
| if (!HasValidID()) |
| return; |
| |
| if (m_pRuntime && m_pRuntime->GetTimerHandler()) |
| m_pRuntime->GetTimerHandler()->KillTimer(m_nTimerID); |
| |
| DCHECK(pdfium::Contains(GetGlobalTimerMap(), 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_Timer::HandlerIface::kInvalidTimerID; |
| } |