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// Copyright (c) 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 "ui/views/mus/input_method_mus.h"
#include <utility>
#include "components/mus/public/cpp/window.h"
#include "mojo/converters/ime/ime_type_converters.h"
#include "ui/base/ime/text_input_client.h"
#include "ui/events/event.h"
#include "ui/mojo/ime/text_input_state.mojom.h"
namespace views {
////////////////////////////////////////////////////////////////////////////////
// InputMethodMUS, public:
InputMethodMUS::InputMethodMUS(ui::internal::InputMethodDelegate* delegate,
mus::Window* window)
: window_(window) {
SetDelegate(delegate);
}
InputMethodMUS::~InputMethodMUS() {}
////////////////////////////////////////////////////////////////////////////////
// InputMethodMUS, ui::InputMethod implementation:
void InputMethodMUS::OnFocus() {
InputMethodBase::OnFocus();
UpdateTextInputType();
}
void InputMethodMUS::OnBlur() {
InputMethodBase::OnBlur();
UpdateTextInputType();
}
bool InputMethodMUS::OnUntranslatedIMEMessage(const base::NativeEvent& event,
NativeEventResult* result) {
return false;
}
void InputMethodMUS::DispatchKeyEvent(ui::KeyEvent* event) {
DCHECK(event->type() == ui::ET_KEY_PRESSED ||
event->type() == ui::ET_KEY_RELEASED);
// If no text input client, do nothing.
if (!GetTextInputClient()) {
ignore_result(DispatchKeyEventPostIME(event));
return;
}
// Here is where we change the differ from our base class's logic. Instead of
// always dispatching a key down event, and then sending a synthesized
// character event, we instead check to see if this is a character event and
// send out the key if it is. (We fallback to normal dispatch if it isn't.)
if (event->is_char()) {
GetTextInputClient()->InsertChar(*event);
event->StopPropagation();
return;
}
ignore_result(DispatchKeyEventPostIME(event));
}
void InputMethodMUS::OnTextInputTypeChanged(const ui::TextInputClient* client) {
if (IsTextInputClientFocused(client))
UpdateTextInputType();
InputMethodBase::OnTextInputTypeChanged(client);
}
void InputMethodMUS::OnCaretBoundsChanged(const ui::TextInputClient* client) {}
void InputMethodMUS::CancelComposition(const ui::TextInputClient* client) {}
void InputMethodMUS::OnInputLocaleChanged() {}
std::string InputMethodMUS::GetInputLocale() {
return "";
}
bool InputMethodMUS::IsCandidatePopupOpen() const {
return false;
}
void InputMethodMUS::OnDidChangeFocusedClient(
ui::TextInputClient* focused_before,
ui::TextInputClient* focused) {
InputMethodBase::OnDidChangeFocusedClient(focused_before, focused);
UpdateTextInputType();
}
void InputMethodMUS::UpdateTextInputType() {
ui::TextInputType type = GetTextInputType();
mojo::TextInputStatePtr state = mojo::TextInputState::New();
state->type = mojo::ConvertTo<mojo::TextInputType>(type);
if (type != ui::TEXT_INPUT_TYPE_NONE)
window_->SetImeVisibility(true, std::move(state));
else
window_->SetTextInputState(std::move(state));
}
} // namespace views
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