mus: Implement Window Server Capture

components/mus/public/cpp/lib/window_tree_client_impl.h

 // Copyright 2014 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 COMPONENTS_MUS_PUBLIC_CPP_LIB_WINDOW_TREE_CLIENT_IMPL_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_LIB_WINDOW_TREE_CLIENT_IMPL_H_
 
 #include "base/containers/scoped_ptr_map.h"
 #include "components/mus/common/types.h"
 #include "components/mus/public/cpp/window.h"
@@ skipping 45 matching lines @@
   void Reorder(Id window_id,
                Id relative_window_id,
                mojom::OrderDirection direction);
 
   // Returns true if the specified window was created by this connection.
   bool OwnsWindow(Id id) const;
 
   void SetBounds(Window* window,
                  const gfx::Rect& old_bounds,
                  const gfx::Rect& bounds);
+  void SetCapture(Window* window);
+  void ReleaseCapture(Window* window);
   void SetClientArea(Id window_id, const gfx::Insets& client_area);
   void SetFocus(Id window_id);
   void SetVisible(Id window_id, bool visible);
   void SetProperty(Window* window,
                    const std::string& name,
                    mojo::Array<uint8_t> data);
   void SetWindowTextInputState(Id window_id, mojo::TextInputStatePtr state);
   void SetImeVisibility(Id window_id,
                         bool visible,
                         mojo::TextInputStatePtr state);
@@ skipping 62 matching lines @@
   ConnectionSpecificId GetConnectionId() override;
 
   // Overridden from WindowTreeClient:
   void OnEmbed(ConnectionSpecificId connection_id,
                mojom::WindowDataPtr root,
                mojom::WindowTreePtr tree,
                Id focused_window_id,
                uint32_t access_policy) override;
   void OnEmbeddedAppDisconnected(Id window_id) override;
   void OnUnembed() override;
+  void OnLostCapture(Id window_id) override;
   void OnWindowBoundsChanged(Id window_id,
                              mojo::RectPtr old_bounds,
                              mojo::RectPtr new_bounds) override;
   void OnClientAreaChanged(uint32_t window_id,
                            mojo::InsetsPtr old_client_area,
                            mojo::InsetsPtr new_client_area) override;
   void OnTransientWindowAdded(uint32_t window_id,
                               uint32_t transient_window_id) override;
   void OnTransientWindowRemoved(uint32_t window_id,
                                 uint32_t transient_window_id) override;
@@ skipping 63 matching lines @@
   bool is_embed_root_;
 
   bool in_destructor_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(WindowTreeClientImpl);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_LIB_WINDOW_TREE_CLIENT_IMPL_H_