1 files changed, 477 insertions, 0 deletions
diff --git a/accessible/xpcom/xpcAccessibleHyperText.cpp b/accessible/xpcom/xpcAccessibleHyperText.cpp
new file mode 100644
index 0000000000..a1e86ac6cd
--- /dev/null
+++ b/accessible/xpcom/xpcAccessibleHyperText.cpp
@@ -0,0 +1,477 @@
+/* -*- 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 "TextRange.h"
+#include "AccAttributes.h"
+#include "nsComponentManagerUtils.h"
+#include "nsPersistentProperties.h"
+#include "xpcAccessibleDocument.h"
+#include "xpcAccessibleTextRange.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 (!mIntl) return NS_ERROR_FAILURE;
+
+  *aCharacterCount = static_cast<int32_t>(Intl()->CharacterCount());
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::GetText(int32_t aStartOffset, int32_t aEndOffset,
+                                nsAString& aText) {
+  aText.Truncate();
+
+  if (!mIntl) 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 (!mIntl) 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 (!mIntl) 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();
+
+  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 (!mIntl) 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 (!mIntl) return NS_ERROR_FAILURE;
+
+  RefPtr<AccAttributes> attributes = Intl()->TextAttributes(
+      aIncludeDefAttrs, aOffset, aStartOffset, aEndOffset);
+  RefPtr<nsPersistentProperties> props = new nsPersistentProperties();
+  nsAutoString unused;
+  for (auto iter : *attributes) {
+    nsAutoString name;
+    iter.NameAsString(name);
+
+    nsAutoString value;
+    iter.ValueAsString(value);
+
+    props->SetStringProperty(NS_ConvertUTF16toUTF8(name), value, unused);
+  }
+
+  props.forget(aAttributes);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::GetDefaultTextAttributes(
+    nsIPersistentProperties** aAttributes) {
+  NS_ENSURE_ARG_POINTER(aAttributes);
+  *aAttributes = nullptr;
+
+  if (!mIntl) return NS_ERROR_FAILURE;
+
+  RefPtr<AccAttributes> attributes = Intl()->DefaultTextAttributes();
+  RefPtr<nsPersistentProperties> props = new nsPersistentProperties();
+  nsAutoString unused;
+  for (auto iter : *attributes) {
+    nsAutoString name;
+    iter.NameAsString(name);
+
+    nsAutoString value;
+    iter.ValueAsString(value);
+
+    props->SetStringProperty(NS_ConvertUTF16toUTF8(name), value, unused);
+  }
+
+  props.forget(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 (!mIntl) return NS_ERROR_FAILURE;
+
+  LayoutDeviceIntRect rect = Intl()->CharBounds(aOffset, aCoordType);
+  rect.GetRect(aX, aY, aWidth, aHeight);
+  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 (!mIntl) return NS_ERROR_FAILURE;
+
+  LayoutDeviceIntRect rect =
+      Intl()->TextBounds(aStartOffset, aEndOffset, aCoordType);
+  rect.GetRect(aX, aY, aWidth, aHeight);
+  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 (!mIntl) 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 (!mIntl) return NS_ERROR_FAILURE;
+
+  *aCaretOffset = Intl()->CaretOffset();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::SetCaretOffset(int32_t aCaretOffset) {
+  if (!mIntl) return NS_ERROR_FAILURE;
+
+  Intl()->SetCaretOffset(aCaretOffset);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::GetCaretRect(int32_t* aX, int32_t* aY, int32_t* aWidth,
+                                     int32_t* aHeight) {
+  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 (!mIntl) {
+    return NS_ERROR_FAILURE;
+  }
+  if (mIntl->IsRemote()) {
+    return NS_ERROR_NOT_IMPLEMENTED;
+  }
+
+  nsIWidget* widget;
+  LayoutDeviceIntRect rect = IntlLocal()->GetCaretRect(&widget);
+  rect.GetRect(aX, aY, aWidth, aHeight);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::GetSelectionCount(int32_t* aSelectionCount) {
+  NS_ENSURE_ARG_POINTER(aSelectionCount);
+  *aSelectionCount = 0;
+
+  if (!mIntl) 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 (!mIntl) return NS_ERROR_FAILURE;
+
+  if (aSelectionNum < 0) return NS_ERROR_INVALID_ARG;
+
+  if (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 (!mIntl) return NS_ERROR_FAILURE;
+
+  if (aSelectionNum < 0) return NS_ERROR_INVALID_ARG;
+
+  Intl()->SetSelectionBoundsAt(aSelectionNum, aStartOffset, aEndOffset);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::AddSelection(int32_t aStartOffset, int32_t aEndOffset) {
+  if (!mIntl) return NS_ERROR_FAILURE;
+
+  Intl()->AddToSelection(aStartOffset, aEndOffset);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::RemoveSelection(int32_t aSelectionNum) {
+  if (!mIntl) return NS_ERROR_FAILURE;
+
+  Intl()->RemoveFromSelection(aSelectionNum);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::ScrollSubstringTo(int32_t aStartOffset,
+                                          int32_t aEndOffset,
+                                          uint32_t aScrollType) {
+  if (!mIntl) 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 (!mIntl) return NS_ERROR_FAILURE;
+
+  Intl()->ScrollSubstringToPoint(aStartOffset, aEndOffset, aCoordinateType, aX,
+                                 aY);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::GetSelectionRanges(nsIArray** aRanges) {
+  NS_ENSURE_ARG_POINTER(aRanges);
+  *aRanges = nullptr;
+
+  nsresult rv = NS_OK;
+  nsCOMPtr<nsIMutableArray> xpcRanges =
+      do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  AutoTArray<TextRange, 1> ranges;
+  Intl()->SelectionRanges(&ranges);
+  uint32_t len = ranges.Length();
+  for (uint32_t idx = 0; idx < len; idx++) {
+    xpcRanges->AppendElement(new xpcAccessibleTextRange(ranges[idx]));
+  }
+
+  xpcRanges.forget(aRanges);
+  return NS_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIAccessibleEditableText
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::SetTextContents(const nsAString& aText) {
+  if (!mIntl) return NS_ERROR_FAILURE;
+
+  Intl()->ReplaceText(aText);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::InsertText(const nsAString& aText, int32_t aOffset) {
+  if (!mIntl) return NS_ERROR_FAILURE;
+
+  Intl()->InsertText(aText, aOffset);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::CopyText(int32_t aStartOffset, int32_t aEndOffset) {
+  if (!mIntl) return NS_ERROR_FAILURE;
+
+  Intl()->CopyText(aStartOffset, aEndOffset);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::CutText(int32_t aStartOffset, int32_t aEndOffset) {
+  if (!mIntl) return NS_ERROR_FAILURE;
+
+  Intl()->CutText(aStartOffset, aEndOffset);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::DeleteText(int32_t aStartOffset, int32_t aEndOffset) {
+  if (!mIntl) return NS_ERROR_FAILURE;
+
+  Intl()->DeleteText(aStartOffset, aEndOffset);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::PasteText(int32_t aOffset) {
+  if (!mIntl) 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 (!mIntl) return NS_ERROR_FAILURE;
+
+  *aLinkCount = static_cast<int32_t>(Intl()->LinkCount());
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleHyperText::GetLinkAt(int32_t aIndex,
+                                  nsIAccessibleHyperLink** aLink) {
+  NS_ENSURE_ARG_POINTER(aLink);
+  *aLink = nullptr;
+
+  if (!mIntl) 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 (!mIntl) return NS_ERROR_FAILURE;
+
+  nsCOMPtr<nsIAccessible> xpcLink(do_QueryInterface(aLink));
+  Accessible* accLink = xpcLink->ToInternalGeneric();
+  *aIndex = Intl()->LinkIndexOf(accLink);
+  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 (!mIntl) return NS_ERROR_FAILURE;
+
+  *aLinkIndex = Intl()->LinkIndexAtOffset(aOffset);
+  return NS_OK;
+}