frame_tree_node.cc revision 1e9bf3e0803691d0a228da41fc608347b6db4340 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/browser/frame_host/frame_tree_node.h"
6
7#include <queue>
8
9#include "base/stl_util.h"
10#include "content/browser/frame_host/render_frame_host_impl.h"
11
12namespace content {
13
14const int64 FrameTreeNode::kInvalidFrameId = -1;
15
16FrameTreeNode::FrameTreeNode(int64 frame_id, const std::string& name,
17                             scoped_ptr<RenderFrameHostImpl> render_frame_host)
18  : frame_id_(frame_id),
19    frame_name_(name),
20    owns_render_frame_host_(true),
21    render_frame_host_(render_frame_host.release()) {
22}
23
24FrameTreeNode::~FrameTreeNode() {
25  if (owns_render_frame_host_)
26    delete render_frame_host_;
27}
28
29void FrameTreeNode::AddChild(scoped_ptr<FrameTreeNode> child) {
30  children_.push_back(child.release());
31}
32
33void FrameTreeNode::RemoveChild(int64 child_id) {
34  std::vector<FrameTreeNode*>::iterator iter;
35
36  for (iter = children_.begin(); iter != children_.end(); ++iter) {
37    if ((*iter)->frame_id() == child_id)
38      break;
39  }
40
41  if (iter != children_.end())
42    children_.erase(iter);
43}
44
45void FrameTreeNode::ResetForMainFrame(
46    RenderFrameHostImpl* new_render_frame_host) {
47  DCHECK_EQ(0UL, children_.size());
48
49  owns_render_frame_host_ = false;
50  frame_id_ = kInvalidFrameId;
51  current_url_ = GURL();
52  children_.clear();
53
54  render_frame_host_ = new_render_frame_host;
55}
56
57}  // namespace content
58