cef/libcef/common/tracker.cc

84 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_(NULL),
track_prev_(NULL) {
}
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_ = NULL;
track_prev_ = NULL;
}
// 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 != NULL);
object_count_ = 0;
}