components/html_viewer/frame_tree_manager.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 COMPONENTS_HTML_VIEWER_FRAME_TREE_MANAGER_H_
   6 #define COMPONENTS_HTML_VIEWER_FRAME_TREE_MANAGER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "mandoline/tab/public/interfaces/frame_tree.mojom.h"
  10
  11 namespace html_viewer {
  12
  13 // FrameTreeManager is the FrameTreeClient implementation for an HTMLDocument.
  14 // It keeps the blink frame tree in sync with that of the FrameTreeServer.
  15 // TODO(sky): make it actually do this.
  16 class FrameTreeManager : public mandoline::FrameTreeClient {
  17  public:
  18   FrameTreeManager();
  19   ~FrameTreeManager() override;
  20
  21  private:
  22   // mandoline::FrameTreeClient:
  23   void OnConnect(mandoline::FrameTreeServerPtr server,
  24                  mojo::Array<mandoline::FrameDataPtr> frames) override;
  25   void OnFrameAdded(mandoline::FrameDataPtr frame) override;
  26   void OnFrameRemoved(uint32_t frame_id) override;
  27
  28   DISALLOW_COPY_AND_ASSIGN(FrameTreeManager);
  29 };
  30
  31 }  // namespace html_viewer
  32
  33 #endif  // COMPONENTS_HTML_VIEWER_FRAME_TREE_MANAGER_H_