/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=2 et sw=2 tw=80: */ /* 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/. */ #include "xpcAccessibleHyperText.h" #include "Accessible-inl.h" #include "HyperTextAccessible-inl.h" #include "TextRange.h" #include "xpcAccessibleDocument.h" #include "xpcAccessibleTextRange.h" #include "nsIPersistentProperties2.h" #include "nsIMutableArray.h" using namespace mozilla::a11y; //////////////////////////////////////////////////////////////////////////////// // nsISupports NS_INTERFACE_MAP_BEGIN(xpcAccessibleHyperText) NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIAccessibleText, mSupportedIfaces & eText) NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIAccessibleEditableText, mSupportedIfaces & eText) NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIAccessibleHyperText, mSupportedIfaces & eText) NS_INTERFACE_MAP_END_INHERITING(xpcAccessibleGeneric) NS_IMPL_ADDREF_INHERITED(xpcAccessibleHyperText, xpcAccessibleGeneric) NS_IMPL_RELEASE_INHERITED(xpcAccessibleHyperText, xpcAccessibleGeneric) //////////////////////////////////////////////////////////////////////////////// // nsIAccessibleText NS_IMETHODIMP xpcAccessibleHyperText::GetCharacterCount(int32_t* aCharacterCount) { NS_ENSURE_ARG_POINTER(aCharacterCount); *aCharacterCount = 0; if (!Intl()) return NS_ERROR_FAILURE; *aCharacterCount = Intl()->CharacterCount(); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetText(int32_t aStartOffset, int32_t aEndOffset, nsAString& aText) { aText.Truncate(); if (!Intl()) return NS_ERROR_FAILURE; Intl()->TextSubstring(aStartOffset, aEndOffset, aText); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetTextBeforeOffset(int32_t aOffset, AccessibleTextBoundary aBoundaryType, int32_t* aStartOffset, int32_t* aEndOffset, nsAString& aText) { NS_ENSURE_ARG_POINTER(aStartOffset); NS_ENSURE_ARG_POINTER(aEndOffset); *aStartOffset = *aEndOffset = 0; aText.Truncate(); if (!Intl()) return NS_ERROR_FAILURE; Intl()->TextBeforeOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetTextAtOffset(int32_t aOffset, AccessibleTextBoundary aBoundaryType, int32_t* aStartOffset, int32_t* aEndOffset, nsAString& aText) { NS_ENSURE_ARG_POINTER(aStartOffset); NS_ENSURE_ARG_POINTER(aEndOffset); *aStartOffset = *aEndOffset = 0; aText.Truncate(); if (!Intl()) return NS_ERROR_FAILURE; Intl()->TextAtOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetTextAfterOffset(int32_t aOffset, AccessibleTextBoundary aBoundaryType, int32_t* aStartOffset, int32_t* aEndOffset, nsAString& aText) { NS_ENSURE_ARG_POINTER(aStartOffset); NS_ENSURE_ARG_POINTER(aEndOffset); *aStartOffset = *aEndOffset = 0; aText.Truncate(); if (!Intl()) return NS_ERROR_FAILURE; Intl()->TextAfterOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetCharacterAtOffset(int32_t aOffset, char16_t* aCharacter) { NS_ENSURE_ARG_POINTER(aCharacter); *aCharacter = L'\0'; if (!Intl()) return NS_ERROR_FAILURE; *aCharacter = Intl()->CharAt(aOffset); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetTextAttributes(bool aIncludeDefAttrs, int32_t aOffset, int32_t* aStartOffset, int32_t* aEndOffset, nsIPersistentProperties** aAttributes) { NS_ENSURE_ARG_POINTER(aStartOffset); NS_ENSURE_ARG_POINTER(aEndOffset); NS_ENSURE_ARG_POINTER(aAttributes); *aStartOffset = *aEndOffset = 0; *aAttributes = nullptr; if (!Intl()) return NS_ERROR_FAILURE; nsCOMPtr attrs = Intl()->TextAttributes(aIncludeDefAttrs, aOffset, aStartOffset, aEndOffset); attrs.swap(*aAttributes); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetDefaultTextAttributes(nsIPersistentProperties** aAttributes) { NS_ENSURE_ARG_POINTER(aAttributes); *aAttributes = nullptr; if (!Intl()) return NS_ERROR_FAILURE; nsCOMPtr attrs = Intl()->DefaultTextAttributes(); attrs.swap(*aAttributes); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetCharacterExtents(int32_t aOffset, int32_t* aX, int32_t* aY, int32_t* aWidth, int32_t* aHeight, uint32_t aCoordType) { NS_ENSURE_ARG_POINTER(aX); NS_ENSURE_ARG_POINTER(aY); NS_ENSURE_ARG_POINTER(aWidth); NS_ENSURE_ARG_POINTER(aHeight); *aX = *aY = *aWidth = *aHeight; if (!Intl()) return NS_ERROR_FAILURE; nsIntRect rect = Intl()->CharBounds(aOffset, aCoordType); *aX = rect.x; *aY = rect.y; *aWidth = rect.width; *aHeight = rect.height; return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetRangeExtents(int32_t aStartOffset, int32_t aEndOffset, int32_t* aX, int32_t* aY, int32_t* aWidth, int32_t* aHeight, uint32_t aCoordType) { NS_ENSURE_ARG_POINTER(aX); NS_ENSURE_ARG_POINTER(aY); NS_ENSURE_ARG_POINTER(aWidth); NS_ENSURE_ARG_POINTER(aHeight); *aX = *aY = *aWidth = *aHeight = 0; if (!Intl()) return NS_ERROR_FAILURE; nsIntRect rect = Intl()->TextBounds(aStartOffset, aEndOffset, aCoordType); *aX = rect.x; *aY = rect.y; *aWidth = rect.width; *aHeight = rect.height; return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetOffsetAtPoint(int32_t aX, int32_t aY, uint32_t aCoordType, int32_t* aOffset) { NS_ENSURE_ARG_POINTER(aOffset); *aOffset = -1; if (!Intl()) return NS_ERROR_FAILURE; *aOffset = Intl()->OffsetAtPoint(aX, aY, aCoordType); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetCaretOffset(int32_t* aCaretOffset) { NS_ENSURE_ARG_POINTER(aCaretOffset); *aCaretOffset = -1; if (!Intl()) return NS_ERROR_FAILURE; *aCaretOffset = Intl()->CaretOffset(); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::SetCaretOffset(int32_t aCaretOffset) { if (!Intl()) return NS_ERROR_FAILURE; Intl()->SetCaretOffset(aCaretOffset); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetSelectionCount(int32_t* aSelectionCount) { NS_ENSURE_ARG_POINTER(aSelectionCount); *aSelectionCount = 0; if (!Intl()) return NS_ERROR_FAILURE; *aSelectionCount = Intl()->SelectionCount(); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetSelectionBounds(int32_t aSelectionNum, int32_t* aStartOffset, int32_t* aEndOffset) { NS_ENSURE_ARG_POINTER(aStartOffset); NS_ENSURE_ARG_POINTER(aEndOffset); *aStartOffset = *aEndOffset = 0; if (!Intl()) return NS_ERROR_FAILURE; if (aSelectionNum < 0 || aSelectionNum >= Intl()->SelectionCount()) return NS_ERROR_INVALID_ARG; Intl()->SelectionBoundsAt(aSelectionNum, aStartOffset, aEndOffset); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::SetSelectionBounds(int32_t aSelectionNum, int32_t aStartOffset, int32_t aEndOffset) { if (!Intl()) return NS_ERROR_FAILURE; if (aSelectionNum < 0 || !Intl()->SetSelectionBoundsAt(aSelectionNum, aStartOffset, aEndOffset)) return NS_ERROR_INVALID_ARG; return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::AddSelection(int32_t aStartOffset, int32_t aEndOffset) { if (!Intl()) return NS_ERROR_FAILURE; Intl()->AddToSelection(aStartOffset, aEndOffset); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::RemoveSelection(int32_t aSelectionNum) { if (!Intl()) return NS_ERROR_FAILURE; Intl()->RemoveFromSelection(aSelectionNum); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::ScrollSubstringTo(int32_t aStartOffset, int32_t aEndOffset, uint32_t aScrollType) { if (!Intl()) return NS_ERROR_FAILURE; Intl()->ScrollSubstringTo(aStartOffset, aEndOffset, aScrollType); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::ScrollSubstringToPoint(int32_t aStartOffset, int32_t aEndOffset, uint32_t aCoordinateType, int32_t aX, int32_t aY) { if (!Intl()) return NS_ERROR_FAILURE; Intl()->ScrollSubstringToPoint(aStartOffset, aEndOffset, aCoordinateType, aX, aY); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetEnclosingRange(nsIAccessibleTextRange** aRange) { NS_ENSURE_ARG_POINTER(aRange); *aRange = nullptr; if (!Intl()) return NS_ERROR_FAILURE; RefPtr range = new xpcAccessibleTextRange; Intl()->EnclosingRange(range->mRange); NS_ASSERTION(range->mRange.IsValid(), "Should always have an enclosing range!"); range.forget(aRange); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetSelectionRanges(nsIArray** aRanges) { NS_ENSURE_ARG_POINTER(aRanges); *aRanges = nullptr; if (!Intl()) return NS_ERROR_FAILURE; nsresult rv = NS_OK; nsCOMPtr xpcRanges = do_CreateInstance(NS_ARRAY_CONTRACTID, &rv); NS_ENSURE_SUCCESS(rv, rv); nsAutoTArray ranges; Intl()->SelectionRanges(&ranges); uint32_t len = ranges.Length(); for (uint32_t idx = 0; idx < len; idx++) xpcRanges->AppendElement(new xpcAccessibleTextRange(Move(ranges[idx])), false); xpcRanges.forget(aRanges); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetVisibleRanges(nsIArray** aRanges) { NS_ENSURE_ARG_POINTER(aRanges); *aRanges = nullptr; if (!Intl()) return NS_ERROR_FAILURE; nsresult rv = NS_OK; nsCOMPtr xpcRanges = do_CreateInstance(NS_ARRAY_CONTRACTID, &rv); NS_ENSURE_SUCCESS(rv, rv); nsTArray ranges; Intl()->VisibleRanges(&ranges); uint32_t len = ranges.Length(); for (uint32_t idx = 0; idx < len; idx++) xpcRanges->AppendElement(new xpcAccessibleTextRange(Move(ranges[idx])), false); xpcRanges.forget(aRanges); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetRangeByChild(nsIAccessible* aChild, nsIAccessibleTextRange** aRange) { NS_ENSURE_ARG_POINTER(aRange); *aRange = nullptr; if (!Intl()) return NS_ERROR_FAILURE; Accessible* child = aChild->ToInternalAccessible(); if (child) { RefPtr range = new xpcAccessibleTextRange; Intl()->RangeByChild(child, range->mRange); if (range->mRange.IsValid()) range.forget(aRange); } return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetRangeAtPoint(int32_t aX, int32_t aY, nsIAccessibleTextRange** aRange) { NS_ENSURE_ARG_POINTER(aRange); *aRange = nullptr; if (!Intl()) return NS_ERROR_FAILURE; RefPtr range = new xpcAccessibleTextRange; Intl()->RangeAtPoint(aX, aY, range->mRange); if (range->mRange.IsValid()) range.forget(aRange); return NS_OK; } //////////////////////////////////////////////////////////////////////////////// // nsIAccessibleEditableText NS_IMETHODIMP xpcAccessibleHyperText::SetTextContents(const nsAString& aText) { if (!Intl()) return NS_ERROR_FAILURE; Intl()->ReplaceText(aText); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::InsertText(const nsAString& aText, int32_t aOffset) { if (!Intl()) return NS_ERROR_FAILURE; Intl()->InsertText(aText, aOffset); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::CopyText(int32_t aStartOffset, int32_t aEndOffset) { if (!Intl()) return NS_ERROR_FAILURE; Intl()->CopyText(aStartOffset, aEndOffset); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::CutText(int32_t aStartOffset, int32_t aEndOffset) { if (!Intl()) return NS_ERROR_FAILURE; Intl()->CutText(aStartOffset, aEndOffset); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::DeleteText(int32_t aStartOffset, int32_t aEndOffset) { if (!Intl()) return NS_ERROR_FAILURE; Intl()->DeleteText(aStartOffset, aEndOffset); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::PasteText(int32_t aOffset) { if (!Intl()) return NS_ERROR_FAILURE; Intl()->PasteText(aOffset); return NS_OK; } //////////////////////////////////////////////////////////////////////////////// // nsIAccessibleHyperText NS_IMETHODIMP xpcAccessibleHyperText::GetLinkCount(int32_t* aLinkCount) { NS_ENSURE_ARG_POINTER(aLinkCount); *aLinkCount = 0; if (!Intl()) return NS_ERROR_FAILURE; *aLinkCount = Intl()->LinkCount(); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetLinkAt(int32_t aIndex, nsIAccessibleHyperLink** aLink) { NS_ENSURE_ARG_POINTER(aLink); *aLink = nullptr; if (!Intl()) return NS_ERROR_FAILURE; NS_IF_ADDREF(*aLink = ToXPC(Intl()->LinkAt(aIndex))); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetLinkIndex(nsIAccessibleHyperLink* aLink, int32_t* aIndex) { NS_ENSURE_ARG_POINTER(aLink); NS_ENSURE_ARG_POINTER(aIndex); *aIndex = -1; if (!Intl()) return NS_ERROR_FAILURE; nsCOMPtr xpcLink(do_QueryInterface(aLink)); Accessible* link = xpcLink->ToInternalAccessible(); if (link) *aIndex = Intl()->LinkIndexOf(link); return NS_OK; } NS_IMETHODIMP xpcAccessibleHyperText::GetLinkIndexAtOffset(int32_t aOffset, int32_t* aLinkIndex) { NS_ENSURE_ARG_POINTER(aLinkIndex); *aLinkIndex = -1; // API says this magic value means 'not found' if (!Intl()) return NS_ERROR_FAILURE; *aLinkIndex = Intl()->LinkIndexAtOffset(aOffset); return NS_OK; }