It is time.

ui/base/ime/input_method_auralinux.cc

-// Copyright 2013 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/base/ime/input_method_auralinux.h"
-
-#include "base/environment.h"
-#include "ui/base/ime/linux/linux_input_method_context_factory.h"
-#include "ui/base/ime/text_input_client.h"
-#include "ui/events/event.h"
-
-namespace ui {
-
-InputMethodAuraLinux::InputMethodAuraLinux(
-    internal::InputMethodDelegate* delegate)
-    : allowed_to_fire_vkey_process_key_(false), vkey_processkey_flags_(0) {
-  SetDelegate(delegate);
-}
-
-InputMethodAuraLinux::~InputMethodAuraLinux() {}
-
-// Overriden from InputMethod.
-
-void InputMethodAuraLinux::Init(bool focused) {
-  CHECK(LinuxInputMethodContextFactory::instance())
-      << "This failure was likely caused because "
-      << "ui::InitializeInputMethod(ForTesting) was not called "
-      << "before instantiating this class.";
-  input_method_context_ =
-      LinuxInputMethodContextFactory::instance()->CreateInputMethodContext(
-          this);
-  CHECK(input_method_context_.get());
-
-  InputMethodBase::Init(focused);
-
-  if (focused) {
-    input_method_context_->OnTextInputTypeChanged(
-        GetTextInputClient() ?
-        GetTextInputClient()->GetTextInputType() :
-        TEXT_INPUT_TYPE_TEXT);
-  }
-}
-
-bool InputMethodAuraLinux::OnUntranslatedIMEMessage(
-    const base::NativeEvent& event,
-    NativeEventResult* result) {
-  return false;
-}
-
-bool InputMethodAuraLinux::DispatchKeyEvent(const ui::KeyEvent& event) {
-  DCHECK(event.type() == ET_KEY_PRESSED || event.type() == ET_KEY_RELEASED);
-  DCHECK(system_toplevel_window_focused());
-
-  // If no text input client, do nothing.
-  if (!GetTextInputClient())
-    return DispatchKeyEventPostIME(event);
-
-  // Let an IME handle the key event first, and allow to fire a VKEY_PROCESSKEY
-  // event for keydown events.  Note that DOM Level 3 Events Sepc requires that
-  // only keydown events fire keyCode=229 events and not for keyup events.
-  if (event.type() == ET_KEY_PRESSED &&
-      (event.flags() & ui::EF_IME_FABRICATED_KEY) == 0)
-    AllowToFireProcessKey(event);
-  if (input_method_context_->DispatchKeyEvent(event))
-    return true;
-  StopFiringProcessKey();
-
-  // Otherwise, insert the character.
-  const bool handled = DispatchKeyEventPostIME(event);
-  if (event.type() == ET_KEY_PRESSED && GetTextInputClient()) {
-    const uint16 ch = event.GetCharacter();
-    if (ch) {
-      GetTextInputClient()->InsertChar(ch, event.flags());
-      return true;
-    }
-  }
-  return handled;
-}
-
-void InputMethodAuraLinux::OnTextInputTypeChanged(
-    const TextInputClient* client) {
-  if (!IsTextInputClientFocused(client))
-    return;
-  input_method_context_->Reset();
-  // TODO(yoichio): Support inputmode HTML attribute.
-  input_method_context_->OnTextInputTypeChanged(client->GetTextInputType());
-}
-
-void InputMethodAuraLinux::OnCaretBoundsChanged(const TextInputClient* client) {
-  if (!IsTextInputClientFocused(client))
-    return;
-  input_method_context_->OnCaretBoundsChanged(
-      GetTextInputClient()->GetCaretBounds());
-}
-
-void InputMethodAuraLinux::CancelComposition(const TextInputClient* client) {
-  if (!IsTextInputClientFocused(client))
-    return;
-  input_method_context_->Reset();
-  input_method_context_->OnTextInputTypeChanged(client->GetTextInputType());
-}
-
-void InputMethodAuraLinux::OnInputLocaleChanged() {
-}
-
-std::string InputMethodAuraLinux::GetInputLocale() {
-  return "";
-}
-
-bool InputMethodAuraLinux::IsActive() {
-  // InputMethodAuraLinux is always ready and up.
-  return true;
-}
-
-bool InputMethodAuraLinux::IsCandidatePopupOpen() const {
-  // There seems no way to detect candidate windows or any popups.
-  return false;
-}
-
-// Overriden from ui::LinuxInputMethodContextDelegate
-
-void InputMethodAuraLinux::OnCommit(const base::string16& text) {
-  MaybeFireProcessKey();
-  if (!IsTextInputTypeNone())
-    GetTextInputClient()->InsertText(text);
-}
-
-void InputMethodAuraLinux::OnPreeditChanged(
-    const CompositionText& composition_text) {
-  MaybeFireProcessKey();
-  TextInputClient* text_input_client = GetTextInputClient();
-  if (text_input_client)
-    text_input_client->SetCompositionText(composition_text);
-}
-
-void InputMethodAuraLinux::OnPreeditEnd() {
-  MaybeFireProcessKey();
-  TextInputClient* text_input_client = GetTextInputClient();
-  if (text_input_client && text_input_client->HasCompositionText())
-    text_input_client->ClearCompositionText();
-}
-
-void InputMethodAuraLinux::OnPreeditStart() {
-  MaybeFireProcessKey();
-}
-
-// Overridden from InputMethodBase.
-
-void InputMethodAuraLinux::OnDidChangeFocusedClient(
-    TextInputClient* focused_before,
-    TextInputClient* focused) {
-  input_method_context_->Reset();
-  input_method_context_->OnTextInputTypeChanged(
-      focused ? focused->GetTextInputType() : TEXT_INPUT_TYPE_NONE);
-
-  InputMethodBase::OnDidChangeFocusedClient(focused_before, focused);
-}
-
-// Helper functions to support VKEY_PROCESSKEY.
-
-void InputMethodAuraLinux::AllowToFireProcessKey(const ui::KeyEvent& event) {
-  allowed_to_fire_vkey_process_key_ = true;
-  vkey_processkey_flags_ = event.flags();
-}
-
-void InputMethodAuraLinux::MaybeFireProcessKey() {
-  if (!allowed_to_fire_vkey_process_key_)
-    return;
-
-  const ui::KeyEvent fabricated_event(ET_KEY_PRESSED,
-                                      VKEY_PROCESSKEY,
-                                      vkey_processkey_flags_);
-  DispatchKeyEventPostIME(fabricated_event);
-  StopFiringProcessKey();
-}
-
-void InputMethodAuraLinux::StopFiringProcessKey() {
-  allowed_to_fire_vkey_process_key_ = false;
-  vkey_processkey_flags_ = 0;
-}
-
-}  // namespace ui