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// 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/frame_tree.h"
#include "content/browser/frame_host/navigator.h"
#include "content/browser/frame_host/render_frame_host_impl.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
namespace content {
const int64 FrameTreeNode::kInvalidFrameId = -1;
int64 FrameTreeNode::next_frame_tree_node_id_ = 1;
FrameTreeNode::FrameTreeNode(FrameTree* frame_tree,
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)
: frame_tree_(frame_tree),
navigator_(navigator),
render_manager_(this,
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) {
}
FrameTreeNode::~FrameTreeNode() {
}
bool FrameTreeNode::IsMainFrame() const {
return frame_tree_->root() == this;
}
void FrameTreeNode::AddChild(scoped_ptr<FrameTreeNode> child,
int frame_routing_id) {
// Initialize the RenderFrameHost for the new node. We always create child
// frames in the same SiteInstance as the current frame, and they can swap to
// a different one if they navigate away.
child->render_manager()->Init(
render_manager_.current_host()->GetSiteInstance()->GetBrowserContext(),
render_manager_.current_host()->GetSiteInstance(),
render_manager_.current_host()->GetRoutingID(),
frame_routing_id);
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::ResetForMainFrameSwap() {
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();
}
} // namespace content
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