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| 1 // Copyright 2014 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 "ui/base/ime/chromeos/ime_bridge.h" | |
| 6 | |
| 7 #include <map> | |
| 8 #include "base/logging.h" | |
| 9 #include "base/memory/singleton.h" | |
| 10 | |
| 11 namespace chromeos { | |
| 12 | |
| 13 static IMEBridge* g_ime_bridge = NULL; | |
| 14 | |
| 15 // An implementation of IMEBridge. | |
| 16 class IMEBridgeImpl : public IMEBridge { | |
| 17 public: | |
| 18 IMEBridgeImpl() | |
| 19 : input_context_handler_(NULL), | |
| 20 engine_handler_(NULL), | |
| 21 candidate_window_handler_(NULL), | |
| 22 current_text_input_(ui::TEXT_INPUT_TYPE_NONE) { | |
| 23 } | |
| 24 | |
| 25 virtual ~IMEBridgeImpl() { | |
| 26 } | |
| 27 | |
| 28 // IMEBridge override. | |
| 29 virtual IMEInputContextHandlerInterface* | |
| 30 GetInputContextHandler() const override { | |
| 31 return input_context_handler_; | |
| 32 } | |
| 33 | |
| 34 // IMEBridge override. | |
| 35 virtual void SetInputContextHandler( | |
| 36 IMEInputContextHandlerInterface* handler) override { | |
| 37 input_context_handler_ = handler; | |
| 38 } | |
| 39 | |
| 40 // IMEBridge override. | |
| 41 virtual void SetCurrentEngineHandler( | |
| 42 IMEEngineHandlerInterface* handler) override { | |
| 43 engine_handler_ = handler; | |
| 44 } | |
| 45 | |
| 46 // IMEBridge override. | |
| 47 virtual IMEEngineHandlerInterface* GetCurrentEngineHandler() const override { | |
| 48 return engine_handler_; | |
| 49 } | |
| 50 | |
| 51 // IMEBridge override. | |
| 52 virtual IMECandidateWindowHandlerInterface* GetCandidateWindowHandler() const | |
| 53 override { | |
| 54 return candidate_window_handler_; | |
| 55 } | |
| 56 | |
| 57 // IMEBridge override. | |
| 58 virtual void SetCandidateWindowHandler( | |
| 59 IMECandidateWindowHandlerInterface* handler) override { | |
| 60 candidate_window_handler_ = handler; | |
| 61 } | |
| 62 | |
| 63 // IMEBridge override. | |
| 64 virtual void SetCurrentTextInputType(ui::TextInputType input_type) override { | |
| 65 current_text_input_ = input_type; | |
| 66 } | |
| 67 | |
| 68 // IMEBridge override. | |
| 69 virtual ui::TextInputType GetCurrentTextInputType() const override { | |
| 70 return current_text_input_; | |
| 71 } | |
| 72 | |
| 73 private: | |
| 74 IMEInputContextHandlerInterface* input_context_handler_; | |
| 75 IMEEngineHandlerInterface* engine_handler_; | |
| 76 IMECandidateWindowHandlerInterface* candidate_window_handler_; | |
| 77 ui::TextInputType current_text_input_; | |
| 78 | |
| 79 DISALLOW_COPY_AND_ASSIGN(IMEBridgeImpl); | |
| 80 }; | |
| 81 | |
| 82 /////////////////////////////////////////////////////////////////////////////// | |
| 83 // IMEBridge | |
| 84 IMEBridge::IMEBridge() { | |
| 85 } | |
| 86 | |
| 87 IMEBridge::~IMEBridge() { | |
| 88 } | |
| 89 | |
| 90 // static. | |
| 91 void IMEBridge::Initialize() { | |
| 92 if (!g_ime_bridge) | |
| 93 g_ime_bridge = new IMEBridgeImpl(); | |
| 94 } | |
| 95 | |
| 96 // static. | |
| 97 void IMEBridge::Shutdown() { | |
| 98 delete g_ime_bridge; | |
| 99 g_ime_bridge = NULL; | |
| 100 } | |
| 101 | |
| 102 // static. | |
| 103 IMEBridge* IMEBridge::Get() { | |
| 104 return g_ime_bridge; | |
| 105 } | |
| 106 | |
| 107 } // namespace chromeos | |
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