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Diffstat (limited to '')
-rw-r--r-- | accessible/xpcom/xpcAccessibleTextLeafRange.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/accessible/xpcom/xpcAccessibleTextLeafRange.cpp b/accessible/xpcom/xpcAccessibleTextLeafRange.cpp new file mode 100644 index 0000000000..943f5ae7bf --- /dev/null +++ b/accessible/xpcom/xpcAccessibleTextLeafRange.cpp @@ -0,0 +1,84 @@ +/* -*- 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 "xpcAccessibleTextLeafRange.h" + +#include "nsIAccessible.h" +#include "nsISupportsImpl.h" +#include "TextLeafRange.h" +#include "xpcAccessibleDocument.h" + +using namespace mozilla; +using namespace mozilla::a11y; + +// xpcAccessibleTextLeafPoint + +NS_IMPL_ADDREF(xpcAccessibleTextLeafPoint) +NS_IMPL_RELEASE(xpcAccessibleTextLeafPoint) + +NS_IMPL_QUERY_INTERFACE(xpcAccessibleTextLeafPoint, nsIAccessibleTextLeafPoint) + +xpcAccessibleTextLeafPoint::xpcAccessibleTextLeafPoint( + nsIAccessible* aAccessible, int32_t aOffset) + : mAccessible(nullptr), mOffset(0) { + // When constructing a text point it will actualize the offset + // and adjust the accessible to the appropriate leaf. These + // might differ from the given constructor arguments. + if (aAccessible) { + TextLeafPoint point(aAccessible->ToInternalGeneric(), aOffset); + mAccessible = ToXPC(point.mAcc); + mOffset = point.mOffset; + } +} + +NS_IMETHODIMP xpcAccessibleTextLeafPoint::GetAccessible( + nsIAccessible** aAccessible) { + NS_ENSURE_ARG_POINTER(aAccessible); + RefPtr<nsIAccessible> acc = mAccessible; + acc.forget(aAccessible); + return NS_OK; +} + +NS_IMETHODIMP xpcAccessibleTextLeafPoint::SetAccessible( + nsIAccessible* aAccessible) { + mAccessible = aAccessible; + return NS_OK; +} + +NS_IMETHODIMP xpcAccessibleTextLeafPoint::GetOffset(int32_t* aOffset) { + NS_ENSURE_ARG_POINTER(aOffset); + *aOffset = mOffset; + return NS_OK; +} +NS_IMETHODIMP xpcAccessibleTextLeafPoint::SetOffset(int32_t aOffset) { + mOffset = aOffset; + return NS_OK; +} + +NS_IMETHODIMP xpcAccessibleTextLeafPoint::FindBoundary( + AccessibleTextBoundary aBoundaryType, uint32_t aDirection, uint32_t aFlags, + nsIAccessibleTextLeafPoint** aPoint) { + TextLeafPoint thisPoint = ToPoint(); + if (!thisPoint) { + return NS_ERROR_FAILURE; + } + + TextLeafPoint result = thisPoint.FindBoundary( + aBoundaryType, static_cast<nsDirection>(aDirection), + static_cast<TextLeafPoint::BoundaryFlags>(aFlags)); + RefPtr<xpcAccessibleTextLeafPoint> point = new xpcAccessibleTextLeafPoint( + result ? ToXPC(result.mAcc) : nullptr, result ? result.mOffset : 0); + point.forget(aPoint); + return NS_OK; +} + +TextLeafPoint xpcAccessibleTextLeafPoint::ToPoint() { + if (mAccessible) { + return TextLeafPoint(mAccessible->ToInternalGeneric(), mOffset); + } + + return TextLeafPoint(); +} |