Keyboard Lock Host implementation

components/keyboard_lock/key_hook_thread_wrapper.cc

+// 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.
+
+#include "components/keyboard_lock/key_hook_thread_wrapper.h"
+
+#include <memory>
+#include <utility>
+
+#include "base/location.h"
+#include "base/logging.h"
+#include "base/memory/ptr_util.h"
+#include "components/keyboard_lock/key_event_filter_share_wrapper.h"
+#include "components/keyboard_lock/key_hook_state_keeper.h"
+
+namespace keyboard_lock {
+
+KeyHookThreadWrapper::KeyHookThreadWrapper(
+    std::unique_ptr<KeyEventFilter> filter,
+    std::unique_ptr<KeyHookActivator> key_hook)
+    : filter_(std::move(filter)),
+      key_hook_(std::move(key_hook)) {
+  DCHECK(filter_);
+  DCHECK(key_hook_);
+}
+
+KeyHookThreadWrapper::KeyHookThreadWrapper(
+    std::unique_ptr<KeyHookStateKeeper> state_keeper)
+    : KeyHookThreadWrapper(
+          base::MakeUnique<KeyEventFilterShareWrapper>(state_keeper.get()),
+          std::move(state_keeper)) {}
+
+KeyHookThreadWrapper::~KeyHookThreadWrapper() = default;
+
+bool KeyHookThreadWrapper::OnKeyDown(ui::KeyboardCode code, int flags) {
+  base::AutoLock lock(lock_);
+  return filter_->OnKeyDown(code, flags);
+}
+
+bool KeyHookThreadWrapper::OnKeyUp(ui::KeyboardCode code, int flags) {
+  base::AutoLock lock(lock_);
+  return filter_->OnKeyUp(code, flags);
+}
+
+void KeyHookThreadWrapper::RegisterKey(
+    const std::vector<ui::KeyboardCode>& codes,
+    base::Callback<void(bool)> on_result) {
+  base::AutoLock lock(lock_);
+  key_hook_->RegisterKey(codes, on_result);
+}
+
+void KeyHookThreadWrapper::UnregisterKey(
+    const std::vector<ui::KeyboardCode>& codes,
+    base::Callback<void(bool)> on_result) {
+  base::AutoLock lock(lock_);
+  key_hook_->UnregisterKey(codes, on_result);
+}
+
+void KeyHookThreadWrapper::Activate(
+    base::Callback<void(bool)> on_result) {
+  base::AutoLock lock(lock_);
+  key_hook_->Activate(on_result);
+}
+
+void KeyHookThreadWrapper::Deactivate(
+    base::Callback<void(bool)> on_result) {
+  base::AutoLock lock(lock_);
+  key_hook_->Deactivate(on_result);
+}
+
+}  // namespace keyboard_lock