cef/libcef/common/tracker.cc

81 lines
1.8 KiB
C++

// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license that
// can be found in the LICENSE file.
#include "libcef/common/tracker.h"
// CefTrackNode implementation.
CefTrackNode::CefTrackNode() : track_next_(nullptr), track_prev_(nullptr) {}
CefTrackNode::~CefTrackNode() {}
void CefTrackNode::InsertTrackPrev(CefTrackNode* object) {
if (track_prev_) {
track_prev_->SetTrackNext(object);
}
object->SetTrackNext(this);
object->SetTrackPrev(track_prev_);
track_prev_ = object;
}
void CefTrackNode::InsertTrackNext(CefTrackNode* object) {
if (track_next_) {
track_next_->SetTrackPrev(object);
}
object->SetTrackPrev(this);
object->SetTrackNext(track_next_);
track_next_ = object;
}
void CefTrackNode::RemoveTracking() {
if (track_next_) {
track_next_->SetTrackPrev(track_prev_);
}
if (track_prev_) {
track_prev_->SetTrackNext(track_next_);
}
track_next_ = nullptr;
track_prev_ = nullptr;
}
// CefTrackManager implementation.
CefTrackManager::CefTrackManager() : object_count_(0) {}
CefTrackManager::~CefTrackManager() {
DeleteAll();
}
void CefTrackManager::Add(CefTrackNode* object) {
base::AutoLock lock_scope(lock_);
if (!object->IsTracked()) {
tracker_.InsertTrackNext(object);
++object_count_;
}
}
bool CefTrackManager::Delete(CefTrackNode* object) {
base::AutoLock lock_scope(lock_);
if (object->IsTracked()) {
object->RemoveTracking();
delete object;
--object_count_;
return true;
}
return false;
}
void CefTrackManager::DeleteAll() {
base::AutoLock lock_scope(lock_);
CefTrackNode* next;
do {
next = tracker_.GetTrackNext();
if (next) {
next->RemoveTracking();
delete next;
}
} while (next != nullptr);
object_count_ = 0;
}