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Diffstat (limited to 'accessible/xpcom/xpcAccessibleTextRange.cpp')
| -rw-r--r-- | accessible/xpcom/xpcAccessibleTextRange.cpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/accessible/xpcom/xpcAccessibleTextRange.cpp b/accessible/xpcom/xpcAccessibleTextRange.cpp new file mode 100644 index 000000000..07a6ec6d3 --- /dev/null +++ b/accessible/xpcom/xpcAccessibleTextRange.cpp @@ -0,0 +1,221 @@ +/* -*- 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 "xpcAccessibleTextRange.h" + +#include "TextRange-inl.h" +#include "xpcAccessibleDocument.h" + +#include "nsIMutableArray.h" +#include "nsComponentManagerUtils.h" +#include "nsQueryObject.h" + +using namespace mozilla; +using namespace mozilla::a11y; + +// nsISupports and cycle collection + +NS_IMPL_CYCLE_COLLECTION(xpcAccessibleTextRange, + mRange.mRoot, + mRange.mStartContainer, + mRange.mEndContainer) + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(xpcAccessibleTextRange) + NS_INTERFACE_MAP_ENTRY(nsIAccessibleTextRange) + NS_INTERFACE_MAP_ENTRY(xpcAccessibleTextRange) + NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIAccessibleTextRange) +NS_INTERFACE_MAP_END + +NS_IMPL_CYCLE_COLLECTING_ADDREF(xpcAccessibleTextRange) +NS_IMPL_CYCLE_COLLECTING_RELEASE(xpcAccessibleTextRange) + +// nsIAccessibleTextRange + +NS_IMETHODIMP +xpcAccessibleTextRange::GetStartContainer(nsIAccessibleText** aAnchor) +{ + NS_ENSURE_ARG_POINTER(aAnchor); + NS_IF_ADDREF(*aAnchor = ToXPCText(mRange.StartContainer())); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::GetStartOffset(int32_t* aOffset) +{ + NS_ENSURE_ARG_POINTER(aOffset); + *aOffset = mRange.StartOffset(); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::GetEndContainer(nsIAccessibleText** aAnchor) +{ + NS_ENSURE_ARG_POINTER(aAnchor); + NS_IF_ADDREF(*aAnchor = ToXPCText(mRange.EndContainer())); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::GetEndOffset(int32_t* aOffset) +{ + NS_ENSURE_ARG_POINTER(aOffset); + *aOffset = mRange.EndOffset(); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::GetContainer(nsIAccessible** aContainer) +{ + NS_ENSURE_ARG_POINTER(aContainer); + NS_IF_ADDREF(*aContainer = ToXPC(mRange.Container())); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::GetEmbeddedChildren(nsIArray** aList) +{ + nsresult rv = NS_OK; + nsCOMPtr<nsIMutableArray> xpcList = + do_CreateInstance(NS_ARRAY_CONTRACTID, &rv); + NS_ENSURE_SUCCESS(rv, rv); + + nsTArray<Accessible*> objects; + mRange.EmbeddedChildren(&objects); + + uint32_t len = objects.Length(); + for (uint32_t idx = 0; idx < len; idx++) + xpcList->AppendElement(static_cast<nsIAccessible*>(ToXPC(objects[idx])), false); + + xpcList.forget(aList); + + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::Compare(nsIAccessibleTextRange* aOtherRange, + bool* aResult) +{ + + RefPtr<xpcAccessibleTextRange> xpcRange(do_QueryObject(aOtherRange)); + if (!xpcRange || !aResult) + return NS_ERROR_INVALID_ARG; + + *aResult = (mRange == xpcRange->mRange); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::CompareEndPoints(uint32_t aEndPoint, + nsIAccessibleTextRange* aOtherRange, + uint32_t aOtherRangeEndPoint, + int32_t* aResult) +{ + RefPtr<xpcAccessibleTextRange> xpcRange(do_QueryObject(aOtherRange)); + if (!xpcRange || !aResult) + return NS_ERROR_INVALID_ARG; + + TextPoint p = (aEndPoint == EndPoint_Start) ? + mRange.StartPoint() : mRange.EndPoint(); + TextPoint otherPoint = (aOtherRangeEndPoint == EndPoint_Start) ? + xpcRange->mRange.StartPoint() : xpcRange->mRange.EndPoint(); + + if (p == otherPoint) + *aResult = 0; + else + *aResult = p < otherPoint ? -1 : 1; + + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::GetText(nsAString& aText) +{ + nsAutoString text; + mRange.Text(text); + aText.Assign(text); + + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::GetBounds(nsIArray** aRectList) +{ + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::Move(uint32_t aUnit, int32_t aCount) +{ + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::MoveStart(uint32_t aUnit, int32_t aCount) +{ + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::MoveEnd(uint32_t aUnit, int32_t aCount) +{ + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::Normalize(uint32_t aUnit) +{ + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::Crop(nsIAccessible* aContainer, bool* aSuccess) +{ + Accessible* container = aContainer->ToInternalAccessible(); + NS_ENSURE_TRUE(container, NS_ERROR_INVALID_ARG); + + *aSuccess = mRange.Crop(container); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::FindText(const nsAString& aText, bool aIsBackward, + bool aIsIgnoreCase, + nsIAccessibleTextRange** aRange) +{ + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::FindAttr(uint32_t aAttr, nsIVariant* aVal, + bool aIsBackward, + nsIAccessibleTextRange** aRange) +{ + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::AddToSelection() +{ + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::RemoveFromSelection() +{ + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::Select() +{ + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleTextRange::ScrollIntoView(uint32_t aHow) +{ + return NS_OK; +} |