Keyboard Lock Host implementation

components/keyboard_lock/key_hook_activator_thread_proxy.cc

Index: components/keyboard_lock/key_hook_activator_thread_proxy.cc
diff --git a/components/keyboard_lock/key_hook_activator_thread_proxy.cc b/components/keyboard_lock/key_hook_activator_thread_proxy.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8ba8a759f8bedcc26efa4f915557bee117980ef6
--- /dev/null
+++ b/components/keyboard_lock/key_hook_activator_thread_proxy.cc
@@ -0,0 +1,75 @@
+// 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 <utility>
+
+#include "base/bind.h"
+#include "base/location.h"
+#include "base/logging.h"
+#include "components/keyboard_lock/key_hook_activator_thread_proxy.h"
+
+namespace keyboard_lock {
+
+KeyHookActivatorThreadProxy::KeyHookActivatorThreadProxy(
+    KeyHookActivator* const key_hook,
+    scoped_refptr<base::SingleThreadTaskRunner> runner)
+    : key_hook_(key_hook),
+      runner_(std::move(runner)) {
+  DCHECK(key_hook_);
+  DCHECK(runner_);
+}
+
+KeyHookActivatorThreadProxy::~KeyHookActivatorThreadProxy() = default;
+
+void KeyHookActivatorThreadProxy::RegisterKey(
+    const std::vector<ui::KeyboardCode>& codes,
+    base::Callback<void(bool)> on_result) {
+  runner_->PostTask(FROM_HERE,
+      base::Bind([](KeyHookActivator* const key_hook,
+                    const std::vector<ui::KeyboardCode>& codes,
+                    base::Callback<void(bool)> on_result) {
+        key_hook->RegisterKey(codes, std::move(on_result));
+      },
+      base::Unretained(key_hook_),
+      codes,
+      std::move(on_result)));
+}
+
+void KeyHookActivatorThreadProxy::UnregisterKey(
+    const std::vector<ui::KeyboardCode>& codes,
+    base::Callback<void(bool)> on_result) {
+  runner_->PostTask(FROM_HERE,
+      base::Bind([](KeyHookActivator* const key_hook,
+                    const std::vector<ui::KeyboardCode>& codes,
+                    base::Callback<void(bool)> on_result) {
+        key_hook->UnregisterKey(codes, std::move(on_result));
+      },
+      base::Unretained(key_hook_),
+      codes,
+      std::move(on_result)));
+}
+
+void KeyHookActivatorThreadProxy::Activate(
+    base::Callback<void(bool)> on_result) {
+  runner_->PostTask(FROM_HERE,
+      base::Bind([](KeyHookActivator* const key_hook,
+                    base::Callback<void(bool)> on_result) {
+        key_hook->Activate(std::move(on_result));
+      },
+      base::Unretained(key_hook_),
+      std::move(on_result)));
+}
+
+void KeyHookActivatorThreadProxy::Deactivate(
+    base::Callback<void(bool)> on_result) {
+  runner_->PostTask(FROM_HERE,
+      base::Bind([](KeyHookActivator* const key_hook,
+                    base::Callback<void(bool)> on_result) {
+        key_hook->Deactivate(std::move(on_result));
+      },
+      base::Unretained(key_hook_),
+      std::move(on_result)));
+}
+
+}  // namespace keyboard_lock