mus: Implement Window Server Capture

components/mus/public/cpp/window.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_WINDOW_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_WINDOW_H_
 
 #include <stdint.h>
 #include <vector>
 
@@ skipping 172 matching lines @@
   // Transient tree.
   Window* transient_parent() { return transient_parent_; }
   const Window* transient_parent() const { return transient_parent_; }
   const Children& transient_children() const { return transient_children_; }
 
   Window* GetChildById(Id id);
 
   void SetTextInputState(mojo::TextInputStatePtr state);
   void SetImeVisibility(bool visible, mojo::TextInputStatePtr state);
 
+  bool has_capture() const { return has_capture_; }
+  void SetCapture();
+  void ReleaseCapture();
+
   // Focus.
   void SetFocus();
   bool HasFocus() const;
   void SetCanFocus(bool can_focus);
 
   // Embedding. See window_tree.mojom for details.
   void Embed(mus::mojom::WindowTreeClientPtr client);
 
   // NOTE: callback is run synchronously if Embed() is not allowed on this
   // Window.
@@ skipping 32 matching lines @@
                                    int64_t default_value) const;
 
   void LocalDestroy();
   void LocalAddChild(Window* child);
   void LocalRemoveChild(Window* child);
   void LocalAddTransientWindow(Window* transient_window);
   void LocalRemoveTransientWindow(Window* transient_window);
   // Returns true if the order actually changed.
   bool LocalReorder(Window* relative, mojom::OrderDirection direction);
   void LocalSetBounds(const gfx::Rect& old_bounds, const gfx::Rect& new_bounds);
+  void LocalSetCapture(bool capture);
   void LocalSetClientArea(
       const gfx::Insets& new_client_area,
       const std::vector<gfx::Rect>& additional_client_areas);
   void LocalSetViewportMetrics(const mojom::ViewportMetrics& old_metrics,
                                const mojom::ViewportMetrics& new_metrics);
   void LocalSetDrawn(bool drawn);
   void LocalSetVisible(bool visible);
   void LocalSetPredefinedCursor(mojom::Cursor cursor_id);
   void LocalSetSharedProperty(const std::string& name,
                               const std::vector<uint8_t>* data);
@@ skipping 41 matching lines @@
   base::ObserverList<WindowObserver> observers_;
   InputEventHandler* input_event_handler_;
 
   gfx::Rect bounds_;
   gfx::Insets client_area_;
   std::vector<gfx::Rect> additional_client_areas_;
 
   mojom::ViewportMetricsPtr viewport_metrics_;
 
   bool visible_;
+  bool has_capture_;
 
   mojom::Cursor cursor_id_;
 
   SharedProperties properties_;
 
   // Drawn state is derived from the visible state and the parent's visible
   // state. This field is only used if the window has no parent (eg it's a
   // root).
   bool drawn_;
 
   // Value struct to keep the name and deallocator for this property.
   // Key cannot be used for this purpose because it can be char* or
   // WindowProperty<>.
   struct Value {
     const char* name;
     int64_t value;
     PropertyDeallocator deallocator;
   };
 
   std::map<const void*, Value> prop_map_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(Window);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_WINDOW_H_