| // Copyright 2018 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. |
| |
| #include "ui/events/keyboard_hook_base.h" |
| |
| #include <utility> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/optional.h" |
| #include "ui/events/event.h" |
| #include "ui/events/keycodes/dom/dom_code.h" |
| #include "ui/gfx/native_widget_types.h" |
| |
| namespace ui { |
| |
| namespace { |
| |
| // A default implementation for Ozone platform. |
| class KeyboardHookOzone : public KeyboardHookBase { |
| public: |
| KeyboardHookOzone(base::Optional<base::flat_set<DomCode>> dom_codes, |
| KeyEventCallback callback); |
| ~KeyboardHookOzone() override; |
| |
| bool Register(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(KeyboardHookOzone); |
| }; |
| |
| KeyboardHookOzone::KeyboardHookOzone( |
| base::Optional<base::flat_set<DomCode>> dom_codes, |
| KeyEventCallback callback) |
| : KeyboardHookBase(std::move(dom_codes), std::move(callback)) {} |
| |
| KeyboardHookOzone::~KeyboardHookOzone() = default; |
| |
| bool KeyboardHookOzone::Register() { |
| // TODO(680809): Implement system-level keyboard lock feature for ozone. |
| // Return true to enable browser-level keyboard lock for ozone platform. |
| return true; |
| } |
| |
| } // namespace |
| |
| // static |
| std::unique_ptr<KeyboardHook> KeyboardHook::CreateModifierKeyboardHook( |
| base::Optional<base::flat_set<DomCode>> dom_codes, |
| gfx::AcceleratedWidget accelerated_widget, |
| KeyEventCallback callback) { |
| std::unique_ptr<KeyboardHookOzone> keyboard_hook = |
| std::make_unique<KeyboardHookOzone>(std::move(dom_codes), |
| std::move(callback)); |
| |
| if (!keyboard_hook->Register()) |
| return nullptr; |
| |
| return keyboard_hook; |
| } |
| |
| // static |
| std::unique_ptr<KeyboardHook> KeyboardHook::CreateMediaKeyboardHook( |
| KeyEventCallback callback) { |
| return nullptr; |
| } |
| |
| } // namespace ui |