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/* -*- 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 "nsIMutableArray.h"
#include "nsComponentManagerUtils.h"
#include "nsQueryObject.h"
#include "xpcAccessibleDocument.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<LocalAccessible*> 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])));
}
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) {
LocalAccessible* 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; }