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-rw-r--r--accessible/xpcom/xpcAccessibleTextLeafRange.cpp84
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();
+}