| // Copyright (c) 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. |
| |
| #ifndef CONTENT_BROWSER_RENDERER_HOST_FRAME_TREE_NODE_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_FRAME_TREE_NODE_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| #include "content/common/content_export.h" |
| |
| namespace content { |
| |
| // Any page that contains iframes has a tree structure of the frames in the |
| // renderer process. We are mirroring this tree in the browser process. This |
| // class represents a node in this tree and is a wrapper for all objects that |
| // are frame-specific (as opposed to page-specific). |
| class CONTENT_EXPORT FrameTreeNode { |
| public: |
| FrameTreeNode(int64 frame_id, const std::string& name); |
| ~FrameTreeNode(); |
| |
| // This method takes ownership of the child pointer. |
| void AddChild(FrameTreeNode* child); |
| void RemoveChild(int64 child_id); |
| |
| int64 frame_id() const { |
| return frame_id_; |
| } |
| |
| const std::string& frame_name() const { |
| return frame_name_; |
| } |
| |
| size_t child_count() const { |
| return children_.size(); |
| } |
| |
| FrameTreeNode* child_at(size_t index) const { |
| return children_[index]; |
| } |
| |
| private: |
| // The unique identifier for the frame in the page. |
| int64 frame_id_; |
| |
| // The assigned name of the frame. This name can be empty, unlike the unique |
| // name generated internally in the DOM tree. |
| std::string frame_name_; |
| |
| // The immediate children of this specific frame. |
| std::vector<FrameTreeNode*> children_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FrameTreeNode); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_FRAME_TREE_NODE_H_ |