OLD | NEW |
(Empty) | |
| 1 // Copyright 2017 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 COMPONENTS_KEYBOARD_LOCK_KEY_HOOK_THREAD_WRAPPER_H_ |
| 6 #define COMPONENTS_KEYBOARD_LOCK_KEY_HOOK_THREAD_WRAPPER_H_ |
| 7 |
| 8 #include <memory> |
| 9 |
| 10 #include "base/synchronization/lock.h" |
| 11 #include "components/keyboard_lock/key_event_filter.h" |
| 12 #include "components/keyboard_lock/key_hook_activator.h" |
| 13 |
| 14 namespace keyboard_lock { |
| 15 |
| 16 class KeyHookStateKeeper; |
| 17 |
| 18 // An implementation of both KeyHookActivator and KeyEventFilter to ensure all |
| 19 // the public functions are not called parallely from multiple threads. |
| 20 class KeyHookThreadWrapper final |
| 21 : public KeyEventFilter, |
| 22 public KeyHookActivator { |
| 23 public: |
| 24 // Takes ownership of both objects. |
| 25 KeyHookThreadWrapper(std::unique_ptr<KeyEventFilter> filter, |
| 26 std::unique_ptr<KeyHookActivator> key_hook); |
| 27 // A shortcut to create a KeyHookThreadWrapper from a KeyHookStateKeeper, |
| 28 // which is the typical usage of this class. |
| 29 explicit KeyHookThreadWrapper( |
| 30 std::unique_ptr<KeyHookStateKeeper> state_keeper); |
| 31 ~KeyHookThreadWrapper() override; |
| 32 |
| 33 // KeyEventFilter implementations. |
| 34 bool OnKeyDown(ui::KeyboardCode code, int flags) override; |
| 35 bool OnKeyUp(ui::KeyboardCode code, int flags) override; |
| 36 |
| 37 // KeyHookActivator implementations. |
| 38 void RegisterKey(const std::vector<ui::KeyboardCode>& codes, |
| 39 base::Callback<void(bool)> on_result) override; |
| 40 void UnregisterKey(const std::vector<ui::KeyboardCode>& codes, |
| 41 base::Callback<void(bool)> on_result) override; |
| 42 void Activate(base::Callback<void(bool)> on_result) override; |
| 43 void Deactivate(base::Callback<void(bool)> on_result) override; |
| 44 |
| 45 private: |
| 46 const std::unique_ptr<KeyEventFilter> filter_; |
| 47 const std::unique_ptr<KeyHookActivator> key_hook_; |
| 48 base::Lock lock_; |
| 49 }; |
| 50 |
| 51 } // namespace keyboard_lock |
| 52 |
| 53 #endif // COMPONENTS_KEYBOARD_LOCK_KEY_HOOK_THREAD_WRAPPER_H_ |
OLD | NEW |