Bye bye Mandoline

components/html_viewer/ime_controller.cc

-// Copyright 2015 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/html_viewer/ime_controller.h"
-
-#include <utility>
-
-#include "components/html_viewer/blink_text_input_type_converters.h"
-#include "components/mus/public/cpp/window.h"
-#include "mojo/converters/blink/blink_input_events_type_converters.h"
-#include "third_party/WebKit/public/web/WebInputEvent.h"
-#include "third_party/WebKit/public/web/WebWidget.h"
-
-namespace html_viewer {
-
-ImeController::ImeController(mus::Window* window, blink::WebWidget* widget)
-    : window_(window), widget_(widget) {}
-
-ImeController::~ImeController() {}
-
-void ImeController::ResetInputMethod() {
-  // TODO(penghuang): Reset IME.
-}
-
-void ImeController::DidHandleGestureEvent(const blink::WebGestureEvent& event,
-                                          bool event_cancelled) {
-  // Called when a gesture event is handled.
-  if (event_cancelled)
-    return;
-
-  if (event.type == blink::WebInputEvent::GestureTap) {
-    const bool show_ime = true;
-    UpdateTextInputState(show_ime);
-  } else if (event.type == blink::WebInputEvent::GestureLongPress) {
-    // Only show IME if the textfield contains text.
-    const bool show_ime = !widget_->textInputInfo().value.isEmpty();
-    UpdateTextInputState(show_ime);
-  }
-}
-
-void ImeController::DidUpdateTextOfFocusedElementByNonUserInput() {
-  // Called when value of focused textfield gets dirty, e.g. value is
-  // modified by script, not by user input.
-  const bool show_ime = false;
-  UpdateTextInputState(show_ime);
-}
-
-void ImeController::ShowImeIfNeeded() {
-  // Request the browser to show the IME for current input type.
-  const bool show_ime = true;
-  UpdateTextInputState(show_ime);
-}
-
-void ImeController::UpdateTextInputState(bool show_ime) {
-  blink::WebTextInputInfo new_info = widget_->textInputInfo();
-  // Only show IME if the focused element is editable.
-  show_ime = show_ime && new_info.type != blink::WebTextInputTypeNone;
-  if (show_ime || text_input_info_ != new_info) {
-    text_input_info_ = new_info;
-    mojo::TextInputStatePtr state = mojo::TextInputState::New();
-    state->type = mojo::ConvertTo<mojo::TextInputType>(new_info.type);
-    state->flags = new_info.flags;
-    state->text = mojo::String::From(new_info.value.utf8());
-    state->selection_start = new_info.selectionStart;
-    state->selection_end = new_info.selectionEnd;
-    state->composition_start = new_info.compositionStart;
-    state->composition_end = new_info.compositionEnd;
-    if (show_ime)
-      window_->SetImeVisibility(true, std::move(state));
-    else
-      window_->SetTextInputState(std::move(state));
-  }
-}
-
-}  // namespace html_viewer