mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
573 lines
15 KiB
C++
573 lines
15 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "xpcAccessibleHyperText.h"
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#include "Accessible-inl.h"
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#include "HyperTextAccessible-inl.h"
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#include "TextRange.h"
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#include "xpcAccessibleDocument.h"
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#include "xpcAccessibleTextRange.h"
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#include "nsIPersistentProperties2.h"
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#include "nsIMutableArray.h"
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using namespace mozilla::a11y;
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////////////////////////////////////////////////////////////////////////////////
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// nsISupports
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NS_INTERFACE_MAP_BEGIN(xpcAccessibleHyperText)
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NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIAccessibleText,
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mSupportedIfaces & eText)
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NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIAccessibleEditableText,
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mSupportedIfaces & eText)
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NS_INTERFACE_MAP_ENTRY_CONDITIONAL(nsIAccessibleHyperText,
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mSupportedIfaces & eText)
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NS_INTERFACE_MAP_END_INHERITING(xpcAccessibleGeneric)
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NS_IMPL_ADDREF_INHERITED(xpcAccessibleHyperText, xpcAccessibleGeneric)
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NS_IMPL_RELEASE_INHERITED(xpcAccessibleHyperText, xpcAccessibleGeneric)
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////////////////////////////////////////////////////////////////////////////////
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// nsIAccessibleText
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetCharacterCount(int32_t* aCharacterCount)
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{
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NS_ENSURE_ARG_POINTER(aCharacterCount);
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*aCharacterCount = 0;
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if (!Intl())
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return NS_ERROR_FAILURE;
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*aCharacterCount = Intl()->CharacterCount();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetText(int32_t aStartOffset, int32_t aEndOffset,
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nsAString& aText)
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{
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aText.Truncate();
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->TextSubstring(aStartOffset, aEndOffset, aText);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetTextBeforeOffset(int32_t aOffset,
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AccessibleTextBoundary aBoundaryType,
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int32_t* aStartOffset,
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int32_t* aEndOffset,
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nsAString& aText)
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{
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NS_ENSURE_ARG_POINTER(aStartOffset);
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NS_ENSURE_ARG_POINTER(aEndOffset);
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*aStartOffset = *aEndOffset = 0;
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aText.Truncate();
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->TextBeforeOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetTextAtOffset(int32_t aOffset,
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AccessibleTextBoundary aBoundaryType,
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int32_t* aStartOffset,
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int32_t* aEndOffset, nsAString& aText)
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{
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NS_ENSURE_ARG_POINTER(aStartOffset);
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NS_ENSURE_ARG_POINTER(aEndOffset);
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*aStartOffset = *aEndOffset = 0;
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aText.Truncate();
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->TextAtOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetTextAfterOffset(int32_t aOffset,
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AccessibleTextBoundary aBoundaryType,
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int32_t* aStartOffset,
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int32_t* aEndOffset, nsAString& aText)
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{
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NS_ENSURE_ARG_POINTER(aStartOffset);
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NS_ENSURE_ARG_POINTER(aEndOffset);
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*aStartOffset = *aEndOffset = 0;
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aText.Truncate();
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->TextAfterOffset(aOffset, aBoundaryType, aStartOffset, aEndOffset, aText);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetCharacterAtOffset(int32_t aOffset,
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char16_t* aCharacter)
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{
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NS_ENSURE_ARG_POINTER(aCharacter);
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*aCharacter = L'\0';
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if (!Intl())
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return NS_ERROR_FAILURE;
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*aCharacter = Intl()->CharAt(aOffset);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetTextAttributes(bool aIncludeDefAttrs,
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int32_t aOffset,
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int32_t* aStartOffset,
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int32_t* aEndOffset,
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nsIPersistentProperties** aAttributes)
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{
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NS_ENSURE_ARG_POINTER(aStartOffset);
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NS_ENSURE_ARG_POINTER(aEndOffset);
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NS_ENSURE_ARG_POINTER(aAttributes);
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*aStartOffset = *aEndOffset = 0;
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*aAttributes = nullptr;
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if (!Intl())
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsIPersistentProperties> attrs =
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Intl()->TextAttributes(aIncludeDefAttrs, aOffset, aStartOffset, aEndOffset);
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attrs.swap(*aAttributes);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetDefaultTextAttributes(nsIPersistentProperties** aAttributes)
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{
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NS_ENSURE_ARG_POINTER(aAttributes);
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*aAttributes = nullptr;
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if (!Intl())
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsIPersistentProperties> attrs = Intl()->DefaultTextAttributes();
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attrs.swap(*aAttributes);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetCharacterExtents(int32_t aOffset,
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int32_t* aX, int32_t* aY,
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int32_t* aWidth, int32_t* aHeight,
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uint32_t aCoordType)
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{
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NS_ENSURE_ARG_POINTER(aX);
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NS_ENSURE_ARG_POINTER(aY);
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NS_ENSURE_ARG_POINTER(aWidth);
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NS_ENSURE_ARG_POINTER(aHeight);
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*aX = *aY = *aWidth = *aHeight;
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if (!Intl())
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return NS_ERROR_FAILURE;
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nsIntRect rect = Intl()->CharBounds(aOffset, aCoordType);
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*aX = rect.x; *aY = rect.y;
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*aWidth = rect.width; *aHeight = rect.height;
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetRangeExtents(int32_t aStartOffset, int32_t aEndOffset,
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int32_t* aX, int32_t* aY,
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int32_t* aWidth, int32_t* aHeight,
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uint32_t aCoordType)
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{
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NS_ENSURE_ARG_POINTER(aX);
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NS_ENSURE_ARG_POINTER(aY);
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NS_ENSURE_ARG_POINTER(aWidth);
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NS_ENSURE_ARG_POINTER(aHeight);
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*aX = *aY = *aWidth = *aHeight = 0;
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if (!Intl())
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return NS_ERROR_FAILURE;
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nsIntRect rect = Intl()->TextBounds(aStartOffset, aEndOffset, aCoordType);
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*aX = rect.x; *aY = rect.y;
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*aWidth = rect.width; *aHeight = rect.height;
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetOffsetAtPoint(int32_t aX, int32_t aY,
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uint32_t aCoordType, int32_t* aOffset)
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{
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NS_ENSURE_ARG_POINTER(aOffset);
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*aOffset = -1;
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if (!Intl())
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return NS_ERROR_FAILURE;
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*aOffset = Intl()->OffsetAtPoint(aX, aY, aCoordType);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetCaretOffset(int32_t* aCaretOffset)
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{
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NS_ENSURE_ARG_POINTER(aCaretOffset);
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*aCaretOffset = -1;
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if (!Intl())
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return NS_ERROR_FAILURE;
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*aCaretOffset = Intl()->CaretOffset();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::SetCaretOffset(int32_t aCaretOffset)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->SetCaretOffset(aCaretOffset);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetSelectionCount(int32_t* aSelectionCount)
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{
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NS_ENSURE_ARG_POINTER(aSelectionCount);
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*aSelectionCount = 0;
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if (!Intl())
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return NS_ERROR_FAILURE;
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*aSelectionCount = Intl()->SelectionCount();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetSelectionBounds(int32_t aSelectionNum,
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int32_t* aStartOffset,
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int32_t* aEndOffset)
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{
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NS_ENSURE_ARG_POINTER(aStartOffset);
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NS_ENSURE_ARG_POINTER(aEndOffset);
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*aStartOffset = *aEndOffset = 0;
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if (!Intl())
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return NS_ERROR_FAILURE;
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if (aSelectionNum < 0 || aSelectionNum >= Intl()->SelectionCount())
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return NS_ERROR_INVALID_ARG;
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Intl()->SelectionBoundsAt(aSelectionNum, aStartOffset, aEndOffset);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::SetSelectionBounds(int32_t aSelectionNum,
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int32_t aStartOffset,
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int32_t aEndOffset)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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if (aSelectionNum < 0 ||
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!Intl()->SetSelectionBoundsAt(aSelectionNum, aStartOffset, aEndOffset))
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return NS_ERROR_INVALID_ARG;
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::AddSelection(int32_t aStartOffset, int32_t aEndOffset)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->AddToSelection(aStartOffset, aEndOffset);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::RemoveSelection(int32_t aSelectionNum)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->RemoveFromSelection(aSelectionNum);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::ScrollSubstringTo(int32_t aStartOffset,
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int32_t aEndOffset,
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uint32_t aScrollType)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->ScrollSubstringTo(aStartOffset, aEndOffset, aScrollType);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::ScrollSubstringToPoint(int32_t aStartOffset,
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int32_t aEndOffset,
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uint32_t aCoordinateType,
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int32_t aX, int32_t aY)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->ScrollSubstringToPoint(aStartOffset, aEndOffset, aCoordinateType, aX, aY);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetEnclosingRange(nsIAccessibleTextRange** aRange)
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{
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NS_ENSURE_ARG_POINTER(aRange);
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*aRange = nullptr;
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if (!Intl())
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return NS_ERROR_FAILURE;
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nsRefPtr<xpcAccessibleTextRange> range = new xpcAccessibleTextRange;
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Intl()->EnclosingRange(range->mRange);
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NS_ASSERTION(range->mRange.IsValid(),
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"Should always have an enclosing range!");
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range.forget(aRange);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetSelectionRanges(nsIArray** aRanges)
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{
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NS_ENSURE_ARG_POINTER(aRanges);
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*aRanges = nullptr;
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if (!Intl())
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return NS_ERROR_FAILURE;
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nsresult rv = NS_OK;
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nsCOMPtr<nsIMutableArray> xpcRanges =
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do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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nsAutoTArray<TextRange, 1> ranges;
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Intl()->SelectionRanges(&ranges);
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uint32_t len = ranges.Length();
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for (uint32_t idx = 0; idx < len; idx++)
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xpcRanges->AppendElement(new xpcAccessibleTextRange(Move(ranges[idx])),
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false);
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xpcRanges.forget(aRanges);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetVisibleRanges(nsIArray** aRanges)
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{
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NS_ENSURE_ARG_POINTER(aRanges);
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*aRanges = nullptr;
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if (!Intl())
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return NS_ERROR_FAILURE;
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nsresult rv = NS_OK;
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nsCOMPtr<nsIMutableArray> xpcRanges =
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do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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nsTArray<TextRange> ranges;
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Intl()->VisibleRanges(&ranges);
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uint32_t len = ranges.Length();
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for (uint32_t idx = 0; idx < len; idx++)
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xpcRanges->AppendElement(new xpcAccessibleTextRange(Move(ranges[idx])),
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false);
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xpcRanges.forget(aRanges);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetRangeByChild(nsIAccessible* aChild,
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nsIAccessibleTextRange** aRange)
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{
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NS_ENSURE_ARG_POINTER(aRange);
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*aRange = nullptr;
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if (!Intl())
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return NS_ERROR_FAILURE;
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Accessible* child = aChild->ToInternalAccessible();
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if (child) {
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nsRefPtr<xpcAccessibleTextRange> range = new xpcAccessibleTextRange;
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Intl()->RangeByChild(child, range->mRange);
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if (range->mRange.IsValid())
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range.forget(aRange);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetRangeAtPoint(int32_t aX, int32_t aY,
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nsIAccessibleTextRange** aRange)
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{
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NS_ENSURE_ARG_POINTER(aRange);
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*aRange = nullptr;
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if (!Intl())
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return NS_ERROR_FAILURE;
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nsRefPtr<xpcAccessibleTextRange> range = new xpcAccessibleTextRange;
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Intl()->RangeAtPoint(aX, aY, range->mRange);
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if (range->mRange.IsValid())
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range.forget(aRange);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsIAccessibleEditableText
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NS_IMETHODIMP
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xpcAccessibleHyperText::SetTextContents(const nsAString& aText)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->ReplaceText(aText);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::InsertText(const nsAString& aText, int32_t aOffset)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->InsertText(aText, aOffset);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::CopyText(int32_t aStartOffset, int32_t aEndOffset)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->CopyText(aStartOffset, aEndOffset);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::CutText(int32_t aStartOffset, int32_t aEndOffset)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->CutText(aStartOffset, aEndOffset);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::DeleteText(int32_t aStartOffset, int32_t aEndOffset)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->DeleteText(aStartOffset, aEndOffset);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::PasteText(int32_t aOffset)
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{
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if (!Intl())
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return NS_ERROR_FAILURE;
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Intl()->PasteText(aOffset);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsIAccessibleHyperText
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetLinkCount(int32_t* aLinkCount)
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{
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NS_ENSURE_ARG_POINTER(aLinkCount);
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*aLinkCount = 0;
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if (!Intl())
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return NS_ERROR_FAILURE;
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*aLinkCount = Intl()->LinkCount();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleHyperText::GetLinkAt(int32_t aIndex, nsIAccessibleHyperLink** aLink)
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{
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NS_ENSURE_ARG_POINTER(aLink);
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*aLink = nullptr;
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if (!Intl())
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return NS_ERROR_FAILURE;
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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 (!Intl())
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIAccessible> xpcLink(do_QueryInterface(aLink));
|
|
Accessible* link = xpcLink->ToInternalAccessible();
|
|
if (link)
|
|
*aIndex = Intl()->LinkIndexOf(link);
|
|
|
|
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 (!Intl())
|
|
return NS_ERROR_FAILURE;
|
|
|
|
*aLinkIndex = Intl()->LinkIndexAtOffset(aOffset);
|
|
return NS_OK;
|
|
}
|