michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "xpcAccessibleHyperText.h"
michael@0: 
michael@0: #include "HyperTextAccessible-inl.h"
michael@0: #include "TextRange.h"
michael@0: #include "xpcAccessibleTextRange.h"
michael@0: 
michael@0: #include "nsIPersistentProperties2.h"
michael@0: #include "nsIMutableArray.h"
michael@0: 
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // nsISupports
michael@0: 
michael@0: nsresult
michael@0: xpcAccessibleHyperText::QueryInterface(REFNSIID aIID, void** aInstancePtr)
michael@0: {
michael@0:   *aInstancePtr = nullptr;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (!text->IsTextRole())
michael@0:     return NS_ERROR_NO_INTERFACE;
michael@0: 
michael@0:   if (aIID.Equals(NS_GET_IID(nsIAccessibleText)))
michael@0:     *aInstancePtr = static_cast<nsIAccessibleText*>(text);
michael@0:   else if (aIID.Equals(NS_GET_IID(nsIAccessibleEditableText)))
michael@0:     *aInstancePtr = static_cast<nsIAccessibleEditableText*>(text);
michael@0:   else if (aIID.Equals(NS_GET_IID(nsIAccessibleHyperText)))
michael@0:     *aInstancePtr = static_cast<nsIAccessibleHyperText*>(text);
michael@0:   else
michael@0:     return NS_ERROR_NO_INTERFACE;
michael@0: 
michael@0:   NS_ADDREF(text);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // nsIAccessibleText
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetCharacterCount(int32_t* aCharacterCount)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aCharacterCount);
michael@0:   *aCharacterCount = 0;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   *aCharacterCount = text->CharacterCount();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetText(int32_t aStartOffset, int32_t aEndOffset,
michael@0:                                 nsAString& aText)
michael@0: {
michael@0:   aText.Truncate();
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->TextSubstring(aStartOffset, aEndOffset, aText);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetTextBeforeOffset(int32_t aOffset,
michael@0:                                             AccessibleTextBoundary aBoundaryType,
michael@0:                                             int32_t* aStartOffset,
michael@0:                                             int32_t* aEndOffset,
michael@0:                                             nsAString& aText)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aStartOffset);
michael@0:   NS_ENSURE_ARG_POINTER(aEndOffset);
michael@0:   *aStartOffset = *aEndOffset = 0;
michael@0:   aText.Truncate();
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->TextBeforeOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetTextAtOffset(int32_t aOffset,
michael@0:                                         AccessibleTextBoundary aBoundaryType,
michael@0:                                         int32_t* aStartOffset,
michael@0:                                         int32_t* aEndOffset, nsAString& aText)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aStartOffset);
michael@0:   NS_ENSURE_ARG_POINTER(aEndOffset);
michael@0:   *aStartOffset = *aEndOffset = 0;
michael@0:   aText.Truncate();
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->TextAtOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetTextAfterOffset(int32_t aOffset,
michael@0:                                            AccessibleTextBoundary aBoundaryType,
michael@0:                                            int32_t* aStartOffset,
michael@0:                                            int32_t* aEndOffset, nsAString& aText)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aStartOffset);
michael@0:   NS_ENSURE_ARG_POINTER(aEndOffset);
michael@0:   *aStartOffset = *aEndOffset = 0;
michael@0:   aText.Truncate();
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->TextAfterOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetCharacterAtOffset(int32_t aOffset,
michael@0:                                              char16_t* aCharacter)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aCharacter);
michael@0:   *aCharacter = L'\0';
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   *aCharacter = text->CharAt(aOffset);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetTextAttributes(bool aIncludeDefAttrs,
michael@0:                                           int32_t aOffset,
michael@0:                                           int32_t* aStartOffset,
michael@0:                                           int32_t* aEndOffset,
michael@0:                                           nsIPersistentProperties** aAttributes)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aStartOffset);
michael@0:   NS_ENSURE_ARG_POINTER(aEndOffset);
michael@0:   NS_ENSURE_ARG_POINTER(aAttributes);
michael@0:   *aStartOffset = *aEndOffset = 0;
michael@0:   *aAttributes = nullptr;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsCOMPtr<nsIPersistentProperties> attrs =
michael@0:    text->TextAttributes(aIncludeDefAttrs, aOffset, aStartOffset, aEndOffset);
michael@0:   attrs.swap(*aAttributes);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetDefaultTextAttributes(nsIPersistentProperties** aAttributes)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aAttributes);
michael@0:   *aAttributes = nullptr;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsCOMPtr<nsIPersistentProperties> attrs = text->DefaultTextAttributes();
michael@0:   attrs.swap(*aAttributes);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetCharacterExtents(int32_t aOffset,
michael@0:                                             int32_t* aX, int32_t* aY,
michael@0:                                             int32_t* aWidth, int32_t* aHeight,
michael@0:                                             uint32_t aCoordType)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aX);
michael@0:   NS_ENSURE_ARG_POINTER(aY);
michael@0:   NS_ENSURE_ARG_POINTER(aWidth);
michael@0:   NS_ENSURE_ARG_POINTER(aHeight);
michael@0:   *aX = *aY = *aWidth = *aHeight;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsIntRect rect = text->CharBounds(aOffset, aCoordType);
michael@0:   *aX = rect.x; *aY = rect.y;
michael@0:   *aWidth = rect.width; *aHeight = rect.height;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetRangeExtents(int32_t aStartOffset, int32_t aEndOffset,
michael@0:                                         int32_t* aX, int32_t* aY,
michael@0:                                         int32_t* aWidth, int32_t* aHeight,
michael@0:                                         uint32_t aCoordType)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aX);
michael@0:   NS_ENSURE_ARG_POINTER(aY);
michael@0:   NS_ENSURE_ARG_POINTER(aWidth);
michael@0:   NS_ENSURE_ARG_POINTER(aHeight);
michael@0:   *aX = *aY = *aWidth = *aHeight = 0;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsIntRect rect = text->TextBounds(aStartOffset, aEndOffset, aCoordType);
michael@0:   *aX = rect.x; *aY = rect.y;
michael@0:   *aWidth = rect.width; *aHeight = rect.height;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetOffsetAtPoint(int32_t aX, int32_t aY,
michael@0:                                          uint32_t aCoordType, int32_t* aOffset)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aOffset);
michael@0:   *aOffset = -1;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   *aOffset = text->OffsetAtPoint(aX, aY, aCoordType);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetScriptableCaretOffset(int32_t* aCaretOffset)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aCaretOffset);
michael@0:   *aCaretOffset = -1;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   *aCaretOffset = text->CaretOffset();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::SetScriptableCaretOffset(int32_t aCaretOffset)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->SetCaretOffset(aCaretOffset);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetSelectionCount(int32_t* aSelectionCount)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aSelectionCount);
michael@0:   *aSelectionCount = 0;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   *aSelectionCount = text->SelectionCount();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetSelectionBounds(int32_t aSelectionNum,
michael@0:                                            int32_t* aStartOffset,
michael@0:                                            int32_t* aEndOffset)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aStartOffset);
michael@0:   NS_ENSURE_ARG_POINTER(aEndOffset);
michael@0:   *aStartOffset = *aEndOffset = 0;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   if (aSelectionNum < 0 || aSelectionNum >= text->SelectionCount())
michael@0:     return NS_ERROR_INVALID_ARG;
michael@0: 
michael@0:   text->SelectionBoundsAt(aSelectionNum, aStartOffset, aEndOffset);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::SetSelectionBounds(int32_t aSelectionNum,
michael@0:                                            int32_t aStartOffset,
michael@0:                                            int32_t aEndOffset)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   if (aSelectionNum < 0 ||
michael@0:       !text->SetSelectionBoundsAt(aSelectionNum, aStartOffset, aEndOffset))
michael@0:     return NS_ERROR_INVALID_ARG;
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::AddSelection(int32_t aStartOffset, int32_t aEndOffset)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->AddToSelection(aStartOffset, aEndOffset);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::RemoveSelection(int32_t aSelectionNum)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->RemoveFromSelection(aSelectionNum);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::ScriptableScrollSubstringTo(int32_t aStartOffset,
michael@0:                                                     int32_t aEndOffset,
michael@0:                                                     uint32_t aScrollType)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->ScrollSubstringTo(aStartOffset, aEndOffset, aScrollType);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::ScriptableScrollSubstringToPoint(int32_t aStartOffset,
michael@0:                                                          int32_t aEndOffset,
michael@0:                                                          uint32_t aCoordinateType,
michael@0:                                                          int32_t aX, int32_t aY)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->ScrollSubstringToPoint(aStartOffset, aEndOffset, aCoordinateType, aX, aY);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetEnclosingRange(nsIAccessibleTextRange** aRange)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aRange);
michael@0:   *aRange = nullptr;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsRefPtr<xpcAccessibleTextRange> range = new xpcAccessibleTextRange;
michael@0:   text->EnclosingRange(range->mRange);
michael@0:   NS_ASSERTION(range->mRange.IsValid(),
michael@0:                "Should always have an enclosing range!");
michael@0: 
michael@0:   range.forget(aRange);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetSelectionRanges(nsIArray** aRanges)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aRanges);
michael@0:   *aRanges = nullptr;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsresult rv = NS_OK;
michael@0:   nsCOMPtr<nsIMutableArray> xpcRanges =
michael@0:     do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   nsAutoTArray<TextRange, 1> ranges;
michael@0:   text->SelectionRanges(&ranges);
michael@0:   uint32_t len = ranges.Length();
michael@0:   for (uint32_t idx = 0; idx < len; idx++)
michael@0:     xpcRanges->AppendElement(new xpcAccessibleTextRange(Move(ranges[idx])),
michael@0:                              false);
michael@0: 
michael@0:   xpcRanges.forget(aRanges);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetVisibleRanges(nsIArray** aRanges)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aRanges);
michael@0:   *aRanges = nullptr;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsresult rv = NS_OK;
michael@0:   nsCOMPtr<nsIMutableArray> xpcRanges =
michael@0:     do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   nsTArray<TextRange> ranges;
michael@0:   text->VisibleRanges(&ranges);
michael@0:   uint32_t len = ranges.Length();
michael@0:   for (uint32_t idx = 0; idx < len; idx++)
michael@0:     xpcRanges->AppendElement(new xpcAccessibleTextRange(Move(ranges[idx])),
michael@0:                              false);
michael@0: 
michael@0:   xpcRanges.forget(aRanges);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetRangeByChild(nsIAccessible* aChild,
michael@0:                                         nsIAccessibleTextRange** aRange)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aRange);
michael@0:   *aRange = nullptr;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsRefPtr<Accessible> child = do_QueryObject(aChild);
michael@0:   if (child) {
michael@0:     nsRefPtr<xpcAccessibleTextRange> range = new xpcAccessibleTextRange;
michael@0:     text->RangeByChild(child, range->mRange);
michael@0:     if (range->mRange.IsValid())
michael@0:       range.forget(aRange);
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetRangeAtPoint(int32_t aX, int32_t aY,
michael@0:                                         nsIAccessibleTextRange** aRange)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aRange);
michael@0:   *aRange = nullptr;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsRefPtr<xpcAccessibleTextRange> range = new xpcAccessibleTextRange;
michael@0:   text->RangeAtPoint(aX, aY, range->mRange);
michael@0:   if (range->mRange.IsValid())
michael@0:     range.forget(aRange);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // nsIAccessibleEditableText
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::SetTextContents(const nsAString& aText)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->ReplaceText(aText);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::ScriptableInsertText(const nsAString& aText,
michael@0:                                              int32_t aOffset)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->InsertText(aText, aOffset);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::ScriptableCopyText(int32_t aStartOffset,
michael@0:                                            int32_t aEndOffset)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->CopyText(aStartOffset, aEndOffset);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::ScriptableCutText(int32_t aStartOffset,
michael@0:                                           int32_t aEndOffset)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->CutText(aStartOffset, aEndOffset);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::ScriptableDeleteText(int32_t aStartOffset,
michael@0:                                              int32_t aEndOffset)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->DeleteText(aStartOffset, aEndOffset);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::ScriptablePasteText(int32_t aOffset)
michael@0: {
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   text->PasteText(aOffset);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // nsIAccessibleHyperText
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetLinkCount(int32_t* aLinkCount)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aLinkCount);
michael@0:   *aLinkCount = 0;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   *aLinkCount = text->LinkCount();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetLinkAt(int32_t aIndex, nsIAccessibleHyperLink** aLink)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aLink);
michael@0:   *aLink = nullptr;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsCOMPtr<nsIAccessibleHyperLink> link = text->LinkAt(aIndex);
michael@0:   link.forget(aLink);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetLinkIndex(nsIAccessibleHyperLink* aLink,
michael@0:                                      int32_t* aIndex)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aLink);
michael@0:   NS_ENSURE_ARG_POINTER(aIndex);
michael@0:   *aIndex = -1;
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsRefPtr<Accessible> link(do_QueryObject(aLink));
michael@0:   *aIndex = text->LinkIndexOf(link);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleHyperText::GetLinkIndexAtOffset(int32_t aOffset,
michael@0:                                              int32_t* aLinkIndex)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aLinkIndex);
michael@0:   *aLinkIndex = -1; // API says this magic value means 'not found'
michael@0: 
michael@0:   HyperTextAccessible* text = static_cast<HyperTextAccessible*>(this);
michael@0:   if (text->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   *aLinkIndex = text->LinkIndexAtOffset(aOffset);
michael@0:   return NS_OK;
michael@0: }