src/chrome/browser/chromeos/input_method/ibus_controller_impl.cc

   1 // Copyright (c) 2012 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 "chrome/browser/chromeos/input_method/ibus_controller_impl.h"
   6
   7 #include <algorithm>  // for std::reverse.
   8 #include <cstdio>
   9 #include <cstring>  // for std::strcmp.
  10 #include <set>
  11 #include <sstream>
  12 #include <stack>
  13 #include <utility>
  14
  15 #include "ash/shell.h"
  16 #include "base/bind.h"
  17 #include "base/environment.h"
  18 #include "base/files/file_path_watcher.h"
  19 #include "base/memory/scoped_ptr.h"
  20 #include "base/message_loop/message_loop.h"
  21 #include "base/rand_util.h"
  22 #include "base/strings/string_split.h"
  23 #include "base/strings/stringprintf.h"
  24 #include "chrome/browser/chromeos/input_method/input_method_util.h"
  25 #include "chromeos/ime/component_extension_ime_manager.h"
  26 #include "chromeos/ime/extension_ime_util.h"
  27 #include "chromeos/ime/ibus_bridge.h"
  28 #include "chromeos/ime/ime_constants.h"
  29 #include "chromeos/ime/input_method_config.h"
  30 #include "chromeos/ime/input_method_property.h"
  31 #include "ui/aura/client/aura_constants.h"
  32 #include "ui/aura/root_window.h"
  33 #include "ui/base/ime/input_method_ibus.h"
  34
  35 namespace chromeos {
  36 namespace input_method {
  37
  38 IBusControllerImpl::IBusControllerImpl() {
  39   IBusBridge::Get()->SetPropertyHandler(this);
  40 }
  41
  42 IBusControllerImpl::~IBusControllerImpl() {
  43   IBusBridge::Get()->SetPropertyHandler(NULL);
  44 }
  45
  46 bool IBusControllerImpl::ActivateInputMethodProperty(const std::string& key) {
  47   // The third parameter of ibus_input_context_property_activate() has to be
  48   // true when the |key| points to a radio button. false otherwise.
  49   bool found = false;
  50   for (size_t i = 0; i < current_property_list_.size(); ++i) {
  51     if (current_property_list_[i].key == key) {
  52       found = true;
  53       break;
  54     }
  55   }
  56   if (!found) {
  57     DVLOG(1) << "ActivateInputMethodProperty: unknown key: " << key;
  58     return false;
  59   }
  60
  61   IBusEngineHandlerInterface* engine = IBusBridge::Get()->GetEngineHandler();
  62   if (engine)
  63     engine->PropertyActivate(key);
  64   return true;
  65 }
  66
  67 void IBusControllerImpl::AddObserver(Observer* observer) {
  68   observers_.AddObserver(observer);
  69 }
  70
  71 void IBusControllerImpl::RemoveObserver(Observer* observer) {
  72   observers_.RemoveObserver(observer);
  73 }
  74
  75 const InputMethodPropertyList&
  76 IBusControllerImpl::GetCurrentProperties() const {
  77   return current_property_list_;
  78 }
  79
  80 void IBusControllerImpl::ClearProperties() {
  81   current_property_list_.clear();
  82 }
  83
  84 void IBusControllerImpl::RegisterProperties(
  85     const InputMethodPropertyList& property_list) {
  86   current_property_list_ = property_list;
  87   FOR_EACH_OBSERVER(IBusController::Observer, observers_, PropertyChanged());
  88 }
  89
  90 }  // namespace input_method
  91 }  // namespace chromeos