views: Move ime and test directories to ui/views.

views/ime/input_method.h

-// Copyright (c) 2011 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 VIEWS_IME_INPUT_METHOD_H_
-#define VIEWS_IME_INPUT_METHOD_H_
-#pragma once
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/i18n/rtl.h"
-#include "ui/base/ime/text_input_type.h"
-#include "views/views_export.h"
-
-namespace ui {
-class TextInputClient;
-}  // namespace ui
-
-namespace views {
-
-namespace internal {
-class InputMethodDelegate;
-}  // namespace internal
-
-class KeyEvent;
-class View;
-class Widget;
-
-// An interface implemented by an object that encapsulates a native input method
-// service provided by the underlying operation system.
-// Because on most systems, the system input method service is bound to
-// individual native window. On Windows, its HWND, on Linux/Gtk, its GdkWindow.
-// And in Views control system, only the top-level NativeWidget has a native
-// window that can get keyboard focus. So this API is designed to be bound to
-// the top-level NativeWidget.
-class VIEWS_EXPORT InputMethod {
- public:
-  virtual ~InputMethod() {}
-
-  // Sets the delegate used by this InputMethod instance. It should only be
-  // called by the internal NativeWidget or testing code.
-  virtual void set_delegate(internal::InputMethodDelegate* delegate) = 0;
-
-  // Initialize the InputMethod object and attach it to the given |widget|.
-  // The |widget| must already be initialized.
-  virtual void Init(Widget* widget) = 0;
-
-  // Called when the top-level NativeWidget gets keyboard focus. It should only
-  // be called by the top-level NativeWidget which owns this InputMethod
-  // instance.
-  virtual void OnFocus() = 0;
-
-  // Called when the top-level NativeWidget loses keyboard focus. It should only
-  // be called by the top-level NativeWidget which owns this InputMethod
-  // instance.
-  virtual void OnBlur() = 0;
-
-  // Dispatch a key event to the input method. The key event will be dispatched
-  // back to the caller via InputMethodDelegate::DispatchKeyEventPostIME(), once
-  // it's processed by the input method. It should only be called by the
-  // top-level NativeWidget which owns this InputMethod instance, or other
-  // related platform dependent code, such as a message dispatcher.
-  virtual void DispatchKeyEvent(const KeyEvent& key) = 0;
-
-  // Called by the focused |view| whenever its text input type is changed.
-  // Before calling this method, the focused |view| must confirm or clear
-  // existing composition text and call InputMethod::CancelComposition() when
-  // necessary. Otherwise unexpected behavior may happen. This method has no
-  // effect if the |view| is not focused.
-  virtual void OnTextInputTypeChanged(View* view) = 0;
-
-  // Called by the focused |view| whenever its caret bounds is changed.
-  // This method has no effect if the |view| is not focused.
-  virtual void OnCaretBoundsChanged(View* view) = 0;
-
-  // Called by the focused |view| to ask the input method cancel the ongoing
-  // composition session. This method has no effect if the |view| is not
-  // focused.
-  virtual void CancelComposition(View* view) = 0;
-
-  // Returns the locale of current keyboard layout or input method, as a BCP-47
-  // tag, or an empty string if the input method cannot provide it.
-  virtual std::string GetInputLocale() = 0;
-
-  // Returns the text direction of current keyboard layout or input method, or
-  // base::i18n::UNKNOWN_DIRECTION if the input method cannot provide it.
-  virtual base::i18n::TextDirection GetInputTextDirection() = 0;
-
-  // Checks if the input method is active, i.e. if it's ready for processing
-  // keyboard event and generate composition or text result.
-  // If the input method is inactive, then it's not necessary to inform it the
-  // changes of caret bounds and text input type.
-  // Note: character results may still be generated and sent to the text input
-  // client by calling TextInputClient::InsertChar(), even if the input method
-  // is not active.
-  virtual bool IsActive() = 0;
-
-  // Gets the focused text input client. Returns NULL if the Widget is not
-  // focused, or there is no focused View or the focused View doesn't support
-  // text input.
-  virtual ui::TextInputClient* GetTextInputClient() const = 0;
-
-  // Gets the text input type of the focused text input client. Returns
-  // ui::TEXT_INPUT_TYPE_NONE if there is no focused text input client.
-  virtual ui::TextInputType GetTextInputType() const = 0;
-
-  // Returns true if the input method is a mock and not real.
-  virtual bool IsMock() const = 0;
-
-  // TODO(suzhe): Support mouse/touch event.
-};
-
-}  // namespace views
-
-#endif  // VIEWS_IME_INPUT_METHOD_H_