| // Copyright 2019 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_AURA_SCOPED_WINDOW_EVENT_TARGETING_BLOCKER_H_ |
| #define UI_AURA_SCOPED_WINDOW_EVENT_TARGETING_BLOCKER_H_ |
| |
| #include "base/memory/raw_ptr.h" |
| #include "ui/aura/aura_export.h" |
| #include "ui/aura/window_observer.h" |
| |
| namespace aura { |
| |
| class Window; |
| |
| // Temporarily blocks the event targeting by setting kNone targeting policy to |
| // |window_|. The original event targeting policy will be restored if all |
| // targeting blockers are removed from |window_|. |
| class AURA_EXPORT ScopedWindowEventTargetingBlocker : public WindowObserver { |
| public: |
| explicit ScopedWindowEventTargetingBlocker(Window* window); |
| |
| ScopedWindowEventTargetingBlocker(const ScopedWindowEventTargetingBlocker&) = |
| delete; |
| ScopedWindowEventTargetingBlocker& operator=( |
| const ScopedWindowEventTargetingBlocker&) = delete; |
| |
| ~ScopedWindowEventTargetingBlocker() override; |
| |
| // WindowObserver: |
| void OnWindowDestroying(Window* window) override; |
| |
| private: |
| raw_ptr<Window> window_; |
| }; |
| |
| } // namespace aura |
| |
| #endif // UI_AURA_SCOPED_WINDOW_EVENT_TARGETING_BLOCKER_H_ |