15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef UI_VIEWS_IME_INPUT_METHOD_BRIDGE_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define UI_VIEWS_IME_INPUT_METHOD_BRIDGE_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/base/ime/text_input_client.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/rect.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/ime/input_method_base.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ui { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class InputMethod; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ui 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace views { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class View; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A "bridge" InputMethod implementation for views top-level widgets, which just 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// sends/receives IME related events to/from a system-wide ui::InputMethod 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// object. 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class InputMethodBridge : public InputMethodBase, 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public ui::TextInputClient { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // |shared_input_method| indicates if |host| is shared among other top level 312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // widgets. 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InputMethodBridge(internal::InputMethodDelegate* delegate, 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ui::InputMethod* host, 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool shared_input_method); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~InputMethodBridge(); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Overridden from InputMethod: 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnFocus() OVERRIDE; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnBlur() OVERRIDE; 407d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual bool OnUntranslatedIMEMessage(const base::NativeEvent& event, 417d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) NativeEventResult* result) OVERRIDE; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DispatchKeyEvent(const ui::KeyEvent& key) OVERRIDE; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnTextInputTypeChanged(View* view) OVERRIDE; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnCaretBoundsChanged(View* view) OVERRIDE; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void CancelComposition(View* view) OVERRIDE; 467d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) virtual void OnInputLocaleChanged() OVERRIDE; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual std::string GetInputLocale() OVERRIDE; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool IsActive() OVERRIDE; 49eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch virtual bool IsCandidatePopupOpen() const OVERRIDE; 505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual void ShowImeIfNeeded() OVERRIDE; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Overridden from TextInputClient: 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetCompositionText( 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const ui::CompositionText& composition) OVERRIDE; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ConfirmCompositionText() OVERRIDE; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ClearCompositionText() OVERRIDE; 575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual void InsertText(const base::string16& text) OVERRIDE; 585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual void InsertChar(base::char16 ch, int flags) OVERRIDE; 59868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) virtual gfx::NativeWindow GetAttachedWindow() const OVERRIDE; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ui::TextInputType GetTextInputType() const OVERRIDE; 61ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch virtual ui::TextInputMode GetTextInputMode() const OVERRIDE; 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool CanComposeInline() const OVERRIDE; 638bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) virtual gfx::Rect GetCaretBounds() const OVERRIDE; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool GetCompositionCharacterBounds(uint32 index, 658bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) gfx::Rect* rect) const OVERRIDE; 668bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) virtual bool HasCompositionText() const OVERRIDE; 678bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) virtual bool GetTextRange(gfx::Range* range) const OVERRIDE; 688bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) virtual bool GetCompositionTextRange(gfx::Range* range) const OVERRIDE; 698bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) virtual bool GetSelectionRange(gfx::Range* range) const OVERRIDE; 7058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual bool SetSelectionRange(const gfx::Range& range) OVERRIDE; 7158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual bool DeleteRange(const gfx::Range& range) OVERRIDE; 728bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) virtual bool GetTextFromRange(const gfx::Range& range, 735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::string16* text) const OVERRIDE; 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnInputMethodChanged() OVERRIDE; 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool ChangeTextDirectionAndLayoutAlignment( 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::i18n::TextDirection direction) OVERRIDE; 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void ExtendSelectionAndDelete(size_t before, size_t after) OVERRIDE; 78c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) virtual void EnsureCaretInRect(const gfx::Rect& rect) OVERRIDE; 79f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) virtual void OnCandidateWindowShown() OVERRIDE; 80f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) virtual void OnCandidateWindowUpdated() OVERRIDE; 81f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) virtual void OnCandidateWindowHidden() OVERRIDE; 8246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) virtual bool IsEditingCommandEnabled(int command_id) OVERRIDE; 8346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) virtual void ExecuteEditingCommand(int command_id) OVERRIDE; 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Overridden from FocusChangeListener. 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnWillChangeFocus(View* focused_before, View* focused) OVERRIDE; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnDidChangeFocus(View* focused_before, View* focused) OVERRIDE; 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 897d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) ui::InputMethod* GetHostInputMethod() const; 907d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 92f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) class HostObserver; 93f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void UpdateViewFocusState(); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 96f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) ui::InputMethod* host_; 97f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 98f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // An observer observing the host input method for cases that the host input 99f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // method is destroyed before this bridge input method. 100f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) scoped_ptr<HostObserver> host_observer_; 1012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const bool shared_input_method_; 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(InputMethodBridge); 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace views 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // UI_VIEWS_IME_INPUT_METHOD_BRIDGE_H_ 110