ash/host/ash_window_tree_host.h

   1 // Copyright 2014 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 ASH_HOST_ASH_WINDOW_TREE_HOST_H_
   6 #define ASH_HOST_ASH_WINDOW_TREE_HOST_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "base/memory/scoped_ptr.h"
  10
  11 namespace aura {
  12 class Window;
  13 class WindowTreeHost;
  14 }
  15
  16 namespace gfx {
  17 class Insets;
  18 class Rect;
  19 }
  20
  21 namespace ash {
  22 struct AshWindowTreeHostInitParams;
  23 class RootWindowTransformer;
  24
  25 class ASH_EXPORT AshWindowTreeHost {
  26  public:
  27   virtual ~AshWindowTreeHost() {}
  28
  29   // Creates a new AshWindowTreeHost. The caller owns the returned value.
  30   static AshWindowTreeHost* Create(
  31       const AshWindowTreeHostInitParams& init_params);
  32
  33   // Toggles the host's full screen state.
  34   virtual void ToggleFullScreen() = 0;
  35
  36   // Clips the cursor to the bounds of the root window until UnConfineCursor().
  37   // We would like to be able to confine the cursor to that window. However,
  38   // currently, we do not have such functionality in X. So we just confine
  39   // to the root window. This is ok because this option is currently only
  40   // being used in fullscreen mode, so root_window bounds = window bounds.
  41   virtual bool ConfineCursorToRootWindow() = 0;
  42   virtual void UnConfineCursor() = 0;
  43
  44   virtual void SetRootWindowTransformer(
  45       scoped_ptr<RootWindowTransformer> transformer) = 0;
  46
  47   virtual gfx::Insets GetHostInsets() const = 0;
  48
  49   virtual aura::WindowTreeHost* AsWindowTreeHost() = 0;
  50
  51   // Updates the display IDs associated with this root window.
  52   // A root window can be associated with up to 2 display IDs (e.g. in mirror
  53   // mode dual monitors case). If the root window is only associated with one
  54   // display id, then the other id should be set to
  55   // gfx::Display::kInvalidDisplayID.
  56   virtual void UpdateDisplayID(int64 id1, int64 id2) {}
  57
  58   // Stop listening for events in preparation for shutdown.
  59   virtual void PrepareForShutdown() {}
  60 };
  61
  62 }  // namespace ash
  63
  64 #endif  // ASH_HOST_ASH_WINDOW_TREE_HOST_H_