Index: components/keyboard_lock/active_key_event_filter.h |
diff --git a/components/keyboard_lock/active_key_event_filter.h b/components/keyboard_lock/active_key_event_filter.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..2657758716f76fde5555f422f9a4b62c2d95805f |
--- /dev/null |
+++ b/components/keyboard_lock/active_key_event_filter.h |
@@ -0,0 +1,32 @@ |
+// Copyright 2017 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 COMPONENTS_KEYBOARD_LOCK_ACTIVE_KEY_EVENT_FILTER_H_ |
+#define COMPONENTS_KEYBOARD_LOCK_ACTIVE_KEY_EVENT_FILTER_H_ |
+ |
+#include "components/keyboard_lock/key_event_filter.h" |
+ |
+namespace keyboard_lock { |
+ |
+class ActiveKeyEventFilterTracker; |
+ |
+// A KeyEventFilter implementation to forward the key events to the active |
+// KeyEventFilter in |tracker|. |
+class ActiveKeyEventFilter final : public KeyEventFilter { |
+ public: |
+ // |tracker| must outlive |this|. |
+ ActiveKeyEventFilter(const ActiveKeyEventFilterTracker* tracker); |
+ ~ActiveKeyEventFilter() override; |
+ |
+ private: |
+ // KeyEventFilter implementations. |
+ bool OnKeyDown(ui::KeyboardCode code, int flags) override; |
+ bool OnKeyUp(ui::KeyboardCode code, int flags) override; |
+ |
+ const ActiveKeyEventFilterTracker* const tracker_; |
+}; |
+ |
+} // namespace keyboard_lock |
+ |
+#endif // COMPONENTS_KEYBOARD_LOCK_ACTIVE_KEY_EVENT_FILTER_H_ |