| // Copyright (c) 2012 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. |
| |
| #ifndef UI_VIEWS_IME_INPUT_METHOD_BRIDGE_H_ |
| #define UI_VIEWS_IME_INPUT_METHOD_BRIDGE_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "ui/base/ime/text_input_client.h" |
| #include "ui/gfx/rect.h" |
| #include "ui/views/ime/input_method_base.h" |
| |
| namespace ui { |
| class InputMethod; |
| } // namespace ui |
| |
| namespace views { |
| |
| class View; |
| |
| // A "bridge" InputMethod implementation for views top-level widgets, which just |
| // sends/receives IME related events to/from a system-wide ui::InputMethod |
| // object. |
| class InputMethodBridge : public InputMethodBase, |
| public ui::TextInputClient { |
| public: |
| // |shared_input_method| indicates if |host| is shared among other top level |
| // widgets. |
| InputMethodBridge(internal::InputMethodDelegate* delegate, |
| ui::InputMethod* host, |
| bool shared_input_method); |
| virtual ~InputMethodBridge(); |
| |
| // Overridden from InputMethod: |
| virtual void OnFocus() OVERRIDE; |
| virtual void OnBlur() OVERRIDE; |
| virtual bool OnUntranslatedIMEMessage(const base::NativeEvent& event, |
| NativeEventResult* result) OVERRIDE; |
| virtual void DispatchKeyEvent(const ui::KeyEvent& key) OVERRIDE; |
| virtual void OnTextInputTypeChanged(View* view) OVERRIDE; |
| virtual void OnCaretBoundsChanged(View* view) OVERRIDE; |
| virtual void CancelComposition(View* view) OVERRIDE; |
| virtual void OnInputLocaleChanged() OVERRIDE; |
| virtual std::string GetInputLocale() OVERRIDE; |
| virtual base::i18n::TextDirection GetInputTextDirection() OVERRIDE; |
| virtual bool IsActive() OVERRIDE; |
| virtual bool IsCandidatePopupOpen() const OVERRIDE; |
| |
| // Overridden from TextInputClient: |
| virtual void SetCompositionText( |
| const ui::CompositionText& composition) OVERRIDE; |
| virtual void ConfirmCompositionText() OVERRIDE; |
| virtual void ClearCompositionText() OVERRIDE; |
| virtual void InsertText(const string16& text) OVERRIDE; |
| virtual void InsertChar(char16 ch, int flags) OVERRIDE; |
| virtual gfx::NativeWindow GetAttachedWindow() const OVERRIDE; |
| virtual ui::TextInputType GetTextInputType() const OVERRIDE; |
| virtual ui::TextInputMode GetTextInputMode() const OVERRIDE; |
| virtual bool CanComposeInline() const OVERRIDE; |
| virtual gfx::Rect GetCaretBounds() OVERRIDE; |
| virtual bool GetCompositionCharacterBounds(uint32 index, |
| gfx::Rect* rect) OVERRIDE; |
| virtual bool HasCompositionText() OVERRIDE; |
| virtual bool GetTextRange(ui::Range* range) OVERRIDE; |
| virtual bool GetCompositionTextRange(ui::Range* range) OVERRIDE; |
| virtual bool GetSelectionRange(ui::Range* range) OVERRIDE; |
| virtual bool SetSelectionRange(const ui::Range& range) OVERRIDE; |
| virtual bool DeleteRange(const ui::Range& range) OVERRIDE; |
| virtual bool GetTextFromRange( |
| const ui::Range& range, string16* text) OVERRIDE; |
| virtual void OnInputMethodChanged() OVERRIDE; |
| virtual bool ChangeTextDirectionAndLayoutAlignment( |
| base::i18n::TextDirection direction) OVERRIDE; |
| virtual void ExtendSelectionAndDelete(size_t before, size_t after) OVERRIDE; |
| virtual void EnsureCaretInRect(const gfx::Rect& rect) OVERRIDE; |
| |
| // Overridden from FocusChangeListener. |
| virtual void OnWillChangeFocus(View* focused_before, View* focused) OVERRIDE; |
| virtual void OnDidChangeFocus(View* focused_before, View* focused) OVERRIDE; |
| |
| ui::InputMethod* GetHostInputMethod() const; |
| |
| private: |
| void UpdateViewFocusState(); |
| |
| ui::InputMethod* const host_; |
| |
| const bool shared_input_method_; |
| |
| bool context_focused_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InputMethodBridge); |
| }; |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_IME_INPUT_METHOD_BRIDGE_H_ |