IME for Mus: Make InputMethodMus use the IME Mojo API.

ui/views/mus/text_input_client_impl.cc

+// Copyright 2016 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/views/mus/text_input_client_impl.h"
+
+#include "ui/base/ime/text_input_client.h"
+#include "ui/views/mus/input_method_mus.h"
+
+namespace views {
+
+TextInputClientImpl::TextInputClientImpl(ui::TextInputClient* text_input_client,
+                                         InputMethodMus* input_method)
+    : text_input_client_(text_input_client),
+      input_method_(input_method),
+      binding_(this) {}
+
+TextInputClientImpl::~TextInputClientImpl() {}
+
+ui::mojom::TextInputClientPtr TextInputClientImpl::CreateInterfacePtrAndBind() {
+  return binding_.CreateInterfacePtrAndBind();
+}
+
+void TextInputClientImpl::OnCompositionEvent(
+    ui::mojom::CompositionEventPtr event) {
+  switch (event->type) {
+    case ui::mojom::CompositionEventType::INSERT_CHAR: {
+      ui::KeyEvent* key_event = (*event->key_event)->AsKeyEvent();

[sky, 2016/08/18 23:43:07]

DCHECK event is a KeyEvent?

[Hadi, 2016/08/25 18:06:06]

Done.

+      DCHECK(key_event->is_char());
+      text_input_client_->InsertChar(*key_event);
+      break;
+    }
+    case ui::mojom::CompositionEventType::CONFIRM:
+      text_input_client_->ConfirmCompositionText();
+      break;
+    case ui::mojom::CompositionEventType::CLEAR:
+      text_input_client_->ClearCompositionText();
+      break;
+    case ui::mojom::CompositionEventType::UPDATE:
+    case ui::mojom::CompositionEventType::INSERT_TEXT:
+      // TODO(moshayedi): crbug.com/631524. Implement these types of composition
+      // events once we have the necessary fields in ui.mojom.CompositionEvent.
+      NOTIMPLEMENTED();
+      break;
+  }
+}
+
+void TextInputClientImpl::OnUnhandledEvent(
+    std::unique_ptr<ui::Event> key_event) {
+  DCHECK(key_event && key_event->IsKeyEvent());
+  input_method_->DispatchKeyEventPostIME(key_event->AsKeyEvent());
+}
+
+}  // namespace views