| // 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 UI_VIEWS_MASKED_VIEW_TARGETER_H_ |
| #define UI_VIEWS_MASKED_VIEW_TARGETER_H_ |
| |
| #include "ui/views/view_targeter.h" |
| #include "ui/views/views_export.h" |
| |
| namespace gfx { |
| class Path; |
| } |
| |
| namespace views { |
| |
| // Derived classes of MaskedViewTargeter are used to define custom-shaped |
| // hit test regions for a View used in event targeting. |
| // TODO(tdanderson|sadrul): Some refactoring opportunities may be possible |
| // between this class and MaskedWindowTargeter. |
| class VIEWS_EXPORT MaskedViewTargeter : public ViewTargeter { |
| public: |
| explicit MaskedViewTargeter(View* masked_view); |
| virtual ~MaskedViewTargeter(); |
| |
| // Sets the hit-test mask for |view| in |mask| (in |view|'s local |
| // coordinate system). Returns whether a valid mask has been set in |mask|. |
| virtual bool GetHitTestMask(const View* view, gfx::Path* mask) const = 0; |
| |
| protected: |
| const View* masked_view() const { return masked_view_; } |
| |
| // ui::EventTargeter: |
| virtual bool EventLocationInsideBounds( |
| ui::EventTarget* target, |
| const ui::LocatedEvent& event) const OVERRIDE; |
| |
| private: |
| View* masked_view_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MaskedViewTargeter); |
| }; |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_MASKED_VIEW_TARGETER_H_ |