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e7231ebb39
Change-Id: I0529c85bd612da83ccb2db11498a5a8860f1563f Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/130732 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
110 lines
2.6 KiB
C++
110 lines
2.6 KiB
C++
// Copyright 2017 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "fxjs/global_timer.h"
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#include <map>
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#include "core/fxcrt/cfx_timer.h"
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#include "core/fxcrt/check.h"
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#include "core/fxcrt/containers/contains.h"
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#include "fxjs/cjs_app.h"
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namespace {
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using TimerMap = std::map<int32_t, GlobalTimer*>;
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TimerMap* g_global_timer_map = nullptr;
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} // namespace
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// static
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void GlobalTimer::InitializeGlobals() {
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CHECK(!g_global_timer_map);
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g_global_timer_map = new TimerMap();
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}
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// static
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void GlobalTimer::DestroyGlobals() {
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delete g_global_timer_map;
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g_global_timer_map = nullptr;
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}
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GlobalTimer::GlobalTimer(CJS_App* pObj,
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CJS_Runtime* pRuntime,
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Type nType,
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const WideString& script,
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uint32_t dwElapse,
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uint32_t dwTimeOut)
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: type_(nType),
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timer_id_(pRuntime->GetTimerHandler()->SetTimer(dwElapse, Trigger)),
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time_out_(dwTimeOut),
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jscript_(script),
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runtime_(pRuntime),
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embed_app_(pObj) {
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if (HasValidID()) {
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DCHECK(!pdfium::Contains((*g_global_timer_map), timer_id_));
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(*g_global_timer_map)[timer_id_] = this;
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}
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}
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GlobalTimer::~GlobalTimer() {
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if (!HasValidID()) {
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return;
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}
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if (runtime_ && runtime_->GetTimerHandler()) {
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runtime_->GetTimerHandler()->KillTimer(timer_id_);
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}
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DCHECK(pdfium::Contains((*g_global_timer_map), timer_id_));
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g_global_timer_map->erase(timer_id_);
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}
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// static
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void GlobalTimer::Trigger(int32_t nTimerID) {
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auto it = g_global_timer_map->find(nTimerID);
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if (it == g_global_timer_map->end()) {
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return;
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}
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GlobalTimer* pTimer = it->second;
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if (pTimer->processing_) {
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return;
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}
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pTimer->processing_ = true;
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if (pTimer->embed_app_) {
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pTimer->embed_app_->TimerProc(pTimer);
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}
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// Timer proc may have destroyed timer, find it again.
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it = g_global_timer_map->find(nTimerID);
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if (it == g_global_timer_map->end()) {
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return;
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}
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pTimer = it->second;
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pTimer->processing_ = false;
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if (pTimer->IsOneShot()) {
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pTimer->embed_app_->CancelProc(pTimer);
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}
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}
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// static
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void GlobalTimer::Cancel(int32_t nTimerID) {
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auto it = g_global_timer_map->find(nTimerID);
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if (it == g_global_timer_map->end()) {
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return;
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}
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GlobalTimer* pTimer = it->second;
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pTimer->embed_app_->CancelProc(pTimer);
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}
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bool GlobalTimer::HasValidID() const {
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return timer_id_ != CFX_Timer::HandlerIface::kInvalidTimerID;
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}
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