[views-mus] Support custom cursors.

services/ui/public/interfaces/window_tree.mojom

 // 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.
 
 module ui.mojom;
 
 import "cc/ipc/frame_sink_id.mojom";
 import "cc/ipc/local_surface_id.mojom";
 import "cc/ipc/surface_id.mojom";
 import "cc/ipc/surface_info.mojom";
@@ skipping 226 matching lines @@
   // Sets focus to the specified window, use 0 to clear focus. For a window to
   // get focus the following has to happen: the window is drawn, the window has
   // been marked as focusable (see SetCanFocus()) and the window is in a
   // container the WindowManager has identified as allowing activation
   // (see WindowManagerClient::AddActivationParent()).
   SetFocus(uint32 change_id, uint32 window_id);
 
   // Marks the specified window as being able to receive focus.
   SetCanFocus(uint32 window_id, bool can_focus);
 
-  // Sets the cursor when the pointer is inside |window_id| to a system standard
-  // cursor provided by the window manager.
-  SetPredefinedCursor(uint32 change_id, uint32 window_id, CursorType cursor_id);
+  // Sets the cursor when the pointer is inside |window_id|.
+  SetCursor(uint32 change_id, uint32 window_id, CursorData cursor);
 
-  // TODO(erg): Additional cursor methods. Image based cursors, visibility,
-  // and cursor locking.
+  // TODO(erg): Additional cursor methods. Visibility, and cursor locking.
 
   // Set text input state for the given window.
   SetWindowTextInputState(uint32 window_id, mojo.TextInputState state);
 
   // Set the input method editor UI (software keyboard, etc) visibility.
   // If state is non-null, the specified window's text input state is updated.
   // Otherwise the existing state is used.
   SetImeVisibility(uint32 window_id, bool visible, mojo.TextInputState? state);
 
   // Sets the EventTargetingPolicy. See EventTargetingPolicy for details.
@@ skipping 197 matching lines @@
                          uint32 window_id,
                          int64 display_id);
 
   // Called in two distinct cases: when a window known to the connection gains
   // focus, or when focus moves from a window known to the connection to a
   // window not known to the connection. In the later case |focused_window_id|
   // is 0. As with other functions this is only called if the client did not
   // initiate the change.
   OnWindowFocused(uint32 focused_window_id);
 
-  OnWindowPredefinedCursorChanged(uint32 window_id, CursorType cursor_id);
+  OnWindowCursorChanged(uint32 window_id, CursorData cursor);
 
   // Invoked when a client window submits a new surface ID. The surface ID and
   // associated information is propagated to the parent connection. The parent
   // compositor can take ownership of this surface ID and embed it along with
   // frame_size and device_scale_factor in a layer.
   // TODO(fsamuel): Surface IDs should be passed to parents directly instead of
   // going through the window server. http://crbug.com/655231
   OnWindowSurfaceChanged(uint32 window_id,
                          cc.mojom.SurfaceInfo surface_info);
                          
@@ skipping 51 matching lines @@
   // See description of WindowManager for details.
   GetWindowManager(associated WindowManager& internal);
 };
 
 // Mus provides this interface as a way for clients to connect and obtain a
 // WindowTree handle with a supplied WindowTreeClient handle. The
 // WindowTreeClient has no roots, use NewTopLevelWindow() to create one.
 interface WindowTreeFactory {
   CreateWindowTree(WindowTree& tree_request, WindowTreeClient client);
 };