mandoline/ui/aura/input_method_mandoline.cc

   1 // Copyright (c) 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mandoline/ui/aura/input_method_mandoline.h"
   6
   7 #include "ui/base/ime/text_input_client.h"
   8 #include "ui/events/event.h"
   9
  10 namespace mandoline {
  11
  12 ////////////////////////////////////////////////////////////////////////////////
  13 // InputMethodMandoline, public:
  14
  15 InputMethodMandoline::InputMethodMandoline(
  16     ui::internal::InputMethodDelegate* delegate) {
  17   SetDelegate(delegate);
  18 }
  19
  20 InputMethodMandoline::~InputMethodMandoline() {}
  21
  22 ////////////////////////////////////////////////////////////////////////////////
  23 // InputMethodMandoline, ui::InputMethod implementation:
  24
  25 bool InputMethodMandoline::OnUntranslatedIMEMessage(
  26     const base::NativeEvent& event,
  27     NativeEventResult* result) {
  28   return false;
  29 }
  30
  31 bool InputMethodMandoline::DispatchKeyEvent(const ui::KeyEvent& event) {
  32   DCHECK(event.type() == ui::ET_KEY_PRESSED ||
  33          event.type() == ui::ET_KEY_RELEASED);
  34
  35   // If no text input client, do nothing.
  36   if (!GetTextInputClient())
  37     return DispatchKeyEventPostIME(event);
  38
  39   // Here is where we change the differ from our base class's logic. Instead of
  40   // always dispatching a key down event, and then sending a synthesized
  41   // character event, we instead check to see if this is a character event and
  42   // send out the key if it is. (We fallback to normal dispatch if it isn't.)
  43   if (event.is_char()) {
  44     const uint16 ch = event.GetCharacter();
  45     if (GetTextInputClient())
  46       GetTextInputClient()->InsertChar(ch, event.flags());
  47
  48     return false;
  49   }
  50
  51   return DispatchKeyEventPostIME(event);
  52 }
  53
  54 void InputMethodMandoline::OnCaretBoundsChanged(
  55     const ui::TextInputClient* client) {
  56 }
  57
  58 void InputMethodMandoline::CancelComposition(
  59     const ui::TextInputClient* client) {
  60 }
  61
  62 void InputMethodMandoline::OnInputLocaleChanged() {
  63 }
  64
  65 std::string InputMethodMandoline::GetInputLocale() {
  66   return "";
  67 }
  68
  69 bool InputMethodMandoline::IsCandidatePopupOpen() const {
  70   return false;
  71 }
  72
  73 }  // namespace mandoline