Remove InputMethodTSF, TSFEventRouter, TSFTextStore, TSFBridge

ui/base/ime/input_method_tsf.cc

-// Copyright (c) 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_tsf.h"
-
-#include "ui/base/ime/text_input_client.h"
-#include "ui/base/ime/win/tsf_bridge.h"
-#include "ui/base/ime/win/tsf_event_router.h"
-
-namespace ui {
-
-class InputMethodTSF::TSFEventObserver : public TSFEventRouterObserver {
- public:
-  TSFEventObserver() : is_candidate_popup_open_(false) {}
-
-  // Returns true if we know for sure that a candidate window (or IME suggest,
-  // etc.) is open.
-  bool IsCandidatePopupOpen() const { return is_candidate_popup_open_; }
-
-  // Overridden from TSFEventRouterObserver:
-  virtual void OnCandidateWindowCountChanged(size_t window_count) OVERRIDE {
-    is_candidate_popup_open_ = (window_count != 0);
-  }
-
- private:
-  // True if we know for sure that a candidate window is open.
-  bool is_candidate_popup_open_;
-
-  DISALLOW_COPY_AND_ASSIGN(TSFEventObserver);
-};
-
-InputMethodTSF::InputMethodTSF(internal::InputMethodDelegate* delegate,
-                               HWND toplevel_window_handle)
-    : InputMethodWin(delegate, toplevel_window_handle),
-      tsf_event_observer_(new TSFEventObserver()),
-      tsf_event_router_(new TSFEventRouter(tsf_event_observer_.get())) {
-  // In non-Aura environment, appropriate callbacks to OnFocus() and OnBlur()
-  // are not implemented yet. To work around this limitation, here we use
-  // "always focused" model.
-  // TODO(ime): Fix the caller of OnFocus() and OnBlur() so that appropriate
-  // focus event will be passed.
-  InputMethodWin::OnFocus();
-}
-
-InputMethodTSF::~InputMethodTSF() {}
-
-void InputMethodTSF::OnFocus() {
-  // Do not call baseclass' OnFocus() and discard the event being in
-  // "always focused" model.  See the comment in the constructor.
-  // TODO(ime): Implement OnFocus once the callers are fixed.
-
-  tsf_event_router_->SetManager(
-      ui::TSFBridge::GetInstance()->GetThreadManager());
-}
-
-void InputMethodTSF::OnBlur() {
-  // Do not call baseclass' OnBlur() and discard the event being in
-  // "always focused" model.  See the comment in the constructor.
-  // TODO(ime): Implement OnFocus once the callers are fixed.
-
-  tsf_event_router_->SetManager(NULL);
-}
-
-bool InputMethodTSF::OnUntranslatedIMEMessage(
-    const base::NativeEvent& event, InputMethod::NativeEventResult* result) {
-  LRESULT original_result = 0;
-  BOOL handled = FALSE;
-  // Even when TSF is enabled, following IMM32/Win32 messages must be handled.
-  switch (event.message) {
-    case WM_IME_REQUEST:
-      // Some TSF-native TIPs (Text Input Processors) such as ATOK and Mozc
-      // still rely on WM_IME_REQUEST message to implement reverse conversion.
-      original_result = OnImeRequest(
-          event.message, event.wParam, event.lParam, &handled);
-      break;
-    case WM_CHAR:
-    case WM_SYSCHAR:
-      // ui::InputMethod interface is responsible for handling Win32 character
-      // messages. For instance, we will be here in the following cases.
-      // - TIP is not activated. (e.g, the current language profile is English)
-      // - TIP does not handle and WM_KEYDOWN and WM_KEYDOWN is translated into
-      //   WM_CHAR by TranslateMessage API. (e.g, TIP is turned off)
-      // - Another application sends WM_CHAR through SendMessage API.
-      original_result = OnChar(
-          event.hwnd, event.message, event.wParam, event.lParam, &handled);
-      break;
-    case WM_DEADCHAR:
-    case WM_SYSDEADCHAR:
-      // See the comment in WM_CHAR/WM_SYSCHAR.
-      original_result = OnDeadChar(
-          event.message, event.wParam, event.lParam, &handled);
-      break;
-  }
-  if (result)
-    *result = original_result;
-  return !!handled;
-}
-
-void InputMethodTSF::OnTextInputTypeChanged(const TextInputClient* client) {
-  if (!IsTextInputClientFocused(client) || !IsWindowFocused(client))
-    return;
-  ui::TSFBridge::GetInstance()->CancelComposition();
-  ui::TSFBridge::GetInstance()->OnTextInputTypeChanged(client);
-}
-
-void InputMethodTSF::OnCaretBoundsChanged(const TextInputClient* client) {
-  if (!IsTextInputClientFocused(client) || !IsWindowFocused(client))
-    return;
-  ui::TSFBridge::GetInstance()->OnTextLayoutChanged();
-}
-
-void InputMethodTSF::CancelComposition(const TextInputClient* client) {
-  if (IsTextInputClientFocused(client) && IsWindowFocused(client))
-    ui::TSFBridge::GetInstance()->CancelComposition();
-}
-
-void InputMethodTSF::DetachTextInputClient(TextInputClient* client) {
-  InputMethodWin::DetachTextInputClient(client);
-  ui::TSFBridge::GetInstance()->RemoveFocusedClient(client);
-}
-
-bool InputMethodTSF::IsCandidatePopupOpen() const {
-  return tsf_event_observer_->IsCandidatePopupOpen();
-}
-
-void InputMethodTSF::OnWillChangeFocusedClient(TextInputClient* focused_before,
-                                               TextInputClient* focused) {
-  if (IsWindowFocused(focused_before)) {
-    ConfirmCompositionText();
-    ui::TSFBridge::GetInstance()->RemoveFocusedClient(focused_before);
-  }
-}
-
-void InputMethodTSF::OnDidChangeFocusedClient(TextInputClient* focused_before,
-                                              TextInputClient* focused) {
-  if (IsWindowFocused(focused) && IsTextInputClientFocused(focused)) {
-    ui::TSFBridge::GetInstance()->SetFocusedClient(
-        GetAttachedWindowHandle(focused), focused);
-
-    // Force to update the input type since client's TextInputStateChanged()
-    // function might not be called if text input types before the client loses
-    // focus and after it acquires focus again are the same.
-    OnTextInputTypeChanged(focused);
-
-    // Force to update caret bounds, in case the client thinks that the caret
-    // bounds has not changed.
-    OnCaretBoundsChanged(focused);
-  }
-  InputMethodWin::OnDidChangeFocusedClient(focused_before, focused);
-}
-
-void InputMethodTSF::ConfirmCompositionText() {
-  if (!IsTextInputTypeNone())
-    ui::TSFBridge::GetInstance()->ConfirmComposition();
-}
-
-}  // namespace ui