ui/wm/core/masked_window_targeter.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 UI_WM_CORE_MASKED_WINDOW_TARGETER_H_
   6 #define UI_WM_CORE_MASKED_WINDOW_TARGETER_H_
   7
   8 #include "ui/aura/window_targeter.h"
   9 #include "ui/wm/wm_export.h"
  10
  11 namespace gfx {
  12 class Path;
  13 }
  14
  15 namespace wm {
  16
  17 class WM_EXPORT MaskedWindowTargeter : public aura::WindowTargeter {
  18  public:
  19   explicit MaskedWindowTargeter(aura::Window* masked_window);
  20   ~MaskedWindowTargeter() override;
  21
  22  protected:
  23   // Sets the hit-test mask for |window| in |mask| (in |window|'s local
  24   // coordinate system). Returns whether a valid mask has been set in |mask|.
  25   virtual bool GetHitTestMask(aura::Window* window, gfx::Path* mask) const = 0;
  26
  27   // aura::WindowTargeter:
  28   bool EventLocationInsideBounds(aura::Window* target,
  29                                  const ui::LocatedEvent& event) const override;
  30
  31  private:
  32   aura::Window* masked_window_;
  33
  34   DISALLOW_COPY_AND_ASSIGN(MaskedWindowTargeter);
  35 };
  36
  37 }  // namespace wm
  38
  39 #endif  // UI_WM_CORE_MASKED_WINDOW_TARGETER_H_