mus: Let clients set the cursor of their window.

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 60 matching lines @@
   const gfx::Rect& bounds() const { return bounds_; }
   void SetBounds(const gfx::Rect& bounds);
 
   const gfx::Insets& client_area() const { return client_area_; }
   void SetClientArea(const gfx::Insets& new_client_area);
 
   // Visibility (also see IsDrawn()). When created windows are hidden.
   bool visible() const { return visible_; }
   void SetVisible(bool value);
 
+  // Cursors
+  mojom::Cursor predefined_cursor() const { return cursor_id_; }
+  void SetPredefinedCursor(mus::mojom::Cursor cursor_id);
+
   // A Window is drawn if the Window and all its ancestors are visible and the
   // Window is attached to the root.
   bool IsDrawn() const;
 
   const mojom::ViewportMetrics& viewport_metrics() {
     return *viewport_metrics_;
   }
 
   scoped_ptr<WindowSurface> RequestSurface(mojom::SurfaceType type);
 
@@ skipping 126 matching lines @@
   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 LocalSetClientArea(const gfx::Insets& new_client_area);
   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);
 
   // Notifies this winodw that its stacking position has changed.
   void NotifyWindowStackingChanged();
   // Methods implementing visibility change notifications. See WindowObserver
   // for more details.
   void NotifyWindowVisibilityChanged(Window* target);
   // Notifies this window's observers. Returns false if |this| was deleted
   // during the call (by an observer), otherwise true.
@@ skipping 32 matching lines @@
 
   base::ObserverList<WindowObserver> observers_;
 
   gfx::Rect bounds_;
   gfx::Insets client_area_;
 
   mojom::ViewportMetricsPtr viewport_metrics_;
 
   bool visible_;
 
+  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_