mandoline/tab/frame_tree.h

   1 // Copyright 2015 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 #ifndef MANDOLINE_TAB_FRAME_TREE_H_
   6 #define MANDOLINE_TAB_FRAME_TREE_H_
   7
   8 #include "mandoline/tab/frame.h"
   9
  10 namespace mandoline {
  11
  12 // FrameTree manages the set of Frames that comprise a single url. FrameTree
  13 // owns the root Frame and each Frames owns its children. Frames are
  14 // automatically deleted and removed from the tree if the corresponding view is
  15 // deleted. This happens if the creator of the view deletes it (say an iframe is
  16 // destroyed).
  17 class FrameTree {
  18  public:
  19   // |view| is the view to do the initial embedding in. It is assumed |view|
  20   // outlives FrameTree.
  21   explicit FrameTree(mojo::View* view);
  22   ~FrameTree();
  23
  24   Frame* root() { return &root_; }
  25
  26  private:
  27   mojo::View* view_;
  28
  29   Frame root_;
  30
  31   DISALLOW_COPY_AND_ASSIGN(FrameTree);
  32 };
  33
  34 }  // namespace mandoline
  35
  36 #endif  // MANDOLINE_TAB_FRAME_TREE_H_