layout/forms/nsITextControlFrame.h
author Jim Mathies <jmathies@mozilla.com>
Tue, 30 Oct 2012 06:23:51 -0500
changeset 113771 7d89cb78c6df02fb238db0ff9e0566c405ff56bb
parent 106112 a16372ce30b5f6b747246b01fcd215a4bf3b6342
child 117454 61bd7f8b54deaca3d571771ba8e18c5b97c44e2a
permissions -rw-r--r--
Bug 798821 - On Windows, restrict enabling of W3C touch interfaces to devices that support touch input. Also convert touch pref to 3-state value. r=bsmedberg, a=bajaj

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsITextControlFrame_h___
#define nsITextControlFrame_h___
 
#include "nsIFormControlFrame.h"

class nsIEditor;
class nsIDocShell;
class nsISelectionController;
class nsFrameSelection;

class nsITextControlFrame : public nsIFormControlFrame
{
public:
  NS_DECL_QUERYFRAME_TARGET(nsITextControlFrame)

  enum SelectionDirection {
    eNone,
    eForward,
    eBackward
  };

  NS_IMETHOD    GetEditor(nsIEditor **aEditor) = 0;

  NS_IMETHOD    GetTextLength(int32_t* aTextLength) = 0;
  
  NS_IMETHOD    SetSelectionStart(int32_t aSelectionStart) = 0;
  NS_IMETHOD    SetSelectionEnd(int32_t aSelectionEnd) = 0;
  
  NS_IMETHOD    SetSelectionRange(int32_t aSelectionStart,
                                  int32_t aSelectionEnd,
                                  SelectionDirection aDirection = eNone) = 0;
  NS_IMETHOD    GetSelectionRange(int32_t* aSelectionStart,
                                  int32_t* aSelectionEnd,
                                  SelectionDirection* aDirection = nullptr) = 0;

  NS_IMETHOD    GetOwnedSelectionController(nsISelectionController** aSelCon) = 0;
  virtual nsFrameSelection* GetOwnedFrameSelection() = 0;

  virtual nsresult GetPhonetic(nsAString& aPhonetic) = 0;

  /**
   * Ensure editor is initialized with the proper flags and the default value.
   * @throws NS_ERROR_NOT_INITIALIZED if mEditor has not been created
   * @throws various and sundry other things
   */
  virtual nsresult EnsureEditorInitialized() = 0;

  virtual nsresult ScrollSelectionIntoView() = 0;
};

#endif