| // Copyright 2013 The Chromium 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 "content/browser/frame_host/frame_tree_node.h" |
| |
| #include <queue> |
| |
| #include "base/stl_util.h" |
| #include "content/browser/frame_host/navigator.h" |
| #include "content/browser/frame_host/render_frame_host_impl.h" |
| |
| namespace content { |
| |
| const int64 FrameTreeNode::kInvalidFrameId = -1; |
| int64 FrameTreeNode::next_frame_tree_node_id_ = 1; |
| |
| FrameTreeNode::FrameTreeNode(Navigator* navigator, |
| RenderFrameHostDelegate* render_frame_delegate, |
| RenderViewHostDelegate* render_view_delegate, |
| RenderWidgetHostDelegate* render_widget_delegate, |
| RenderFrameHostManager::Delegate* manager_delegate, |
| int64 frame_id, |
| const std::string& name) |
| : navigator_(navigator), |
| render_manager_(render_frame_delegate, |
| render_view_delegate, |
| render_widget_delegate, |
| manager_delegate), |
| frame_tree_node_id_(next_frame_tree_node_id_++), |
| frame_id_(frame_id), |
| frame_name_(name), |
| owns_render_frame_host_(true), |
| render_frame_host_(NULL) { |
| } |
| |
| FrameTreeNode::~FrameTreeNode() { |
| if (owns_render_frame_host_) |
| delete render_frame_host_; |
| } |
| |
| void FrameTreeNode::AddChild(scoped_ptr<FrameTreeNode> child) { |
| children_.push_back(child.release()); |
| } |
| |
| void FrameTreeNode::RemoveChild(FrameTreeNode* child) { |
| std::vector<FrameTreeNode*>::iterator iter; |
| |
| for (iter = children_.begin(); iter != children_.end(); ++iter) { |
| if ((*iter) == child) |
| break; |
| } |
| |
| if (iter != children_.end()) |
| children_.erase(iter); |
| } |
| |
| void FrameTreeNode::ResetForMainFrame( |
| RenderFrameHostImpl* new_render_frame_host) { |
| owns_render_frame_host_ = false; |
| frame_id_ = kInvalidFrameId; |
| current_url_ = GURL(); |
| |
| // The children may not have been cleared if a cross-process navigation |
| // commits before the old process cleans everything up. Make sure the child |
| // nodes get deleted. |
| children_.clear(); |
| |
| render_frame_host_ = new_render_frame_host; |
| } |
| |
| } // namespace content |