mirror of
https://github.com/roytam1/palemoon26.git
synced 2026-05-26 05:44:31 +00:00
476 lines
13 KiB
C++
476 lines
13 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "InterfaceInitFuncs.h"
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#include "Accessible-inl.h"
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#include "HyperTextAccessible.h"
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#include "nsMai.h"
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#include "nsIPersistentProperties2.h"
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#include "mozilla/Likely.h"
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using namespace mozilla::a11y;
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AtkAttributeSet* ConvertToAtkAttributeSet(nsIPersistentProperties* aAttributes);
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static void
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ConvertTexttoAsterisks(AccessibleWrap* accWrap, nsAString& aString)
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{
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// convert each char to "*" when it's "password text"
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if (accWrap->NativeRole() == roles::PASSWORD_TEXT) {
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for (uint32_t i = 0; i < aString.Length(); i++)
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aString.Replace(i, 1, NS_LITERAL_STRING("*"));
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}
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}
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extern "C" {
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static gchar*
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getTextCB(AtkText *aText, gint aStartOffset, gint aEndOffset)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return nullptr;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return nullptr;
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nsAutoString autoStr;
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nsresult rv = text->GetText(aStartOffset, aEndOffset, autoStr);
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NS_ENSURE_SUCCESS(rv, nullptr);
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ConvertTexttoAsterisks(accWrap, autoStr);
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NS_ConvertUTF16toUTF8 cautoStr(autoStr);
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//copy and return, libspi will free it.
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return (cautoStr.get()) ? g_strdup(cautoStr.get()) : nullptr;
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}
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static gchar*
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getTextAfterOffsetCB(AtkText *aText, gint aOffset,
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AtkTextBoundary aBoundaryType,
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gint *aStartOffset, gint *aEndOffset)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return nullptr;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return nullptr;
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nsAutoString autoStr;
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int32_t startOffset = 0, endOffset = 0;
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nsresult rv =
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text->GetTextAfterOffset(aOffset, aBoundaryType,
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&startOffset, &endOffset, autoStr);
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*aStartOffset = startOffset;
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*aEndOffset = endOffset;
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NS_ENSURE_SUCCESS(rv, nullptr);
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ConvertTexttoAsterisks(accWrap, autoStr);
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NS_ConvertUTF16toUTF8 cautoStr(autoStr);
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return (cautoStr.get()) ? g_strdup(cautoStr.get()) : nullptr;
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}
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static gchar*
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getTextAtOffsetCB(AtkText *aText, gint aOffset,
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AtkTextBoundary aBoundaryType,
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gint *aStartOffset, gint *aEndOffset)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return nullptr;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return nullptr;
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nsAutoString autoStr;
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int32_t startOffset = 0, endOffset = 0;
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nsresult rv =
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text->GetTextAtOffset(aOffset, aBoundaryType,
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&startOffset, &endOffset, autoStr);
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*aStartOffset = startOffset;
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*aEndOffset = endOffset;
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NS_ENSURE_SUCCESS(rv, nullptr);
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ConvertTexttoAsterisks(accWrap, autoStr);
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NS_ConvertUTF16toUTF8 cautoStr(autoStr);
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return (cautoStr.get()) ? g_strdup(cautoStr.get()) : nullptr;
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}
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static gunichar
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getCharacterAtOffsetCB(AtkText* aText, gint aOffset)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return 0;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return 0;
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// PRUnichar is unsigned short in Mozilla
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// gnuichar is guint32 in glib
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PRUnichar uniChar = 0;
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nsresult rv = text->GetCharacterAtOffset(aOffset, &uniChar);
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if (NS_FAILED(rv))
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return 0;
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// Convert char to "*" when it's "password text".
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if (accWrap->NativeRole() == roles::PASSWORD_TEXT)
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uniChar = '*';
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return static_cast<gunichar>(uniChar);
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}
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static gchar*
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getTextBeforeOffsetCB(AtkText *aText, gint aOffset,
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AtkTextBoundary aBoundaryType,
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gint *aStartOffset, gint *aEndOffset)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return nullptr;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return nullptr;
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nsAutoString autoStr;
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int32_t startOffset = 0, endOffset = 0;
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nsresult rv =
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text->GetTextBeforeOffset(aOffset, aBoundaryType,
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&startOffset, &endOffset, autoStr);
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*aStartOffset = startOffset;
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*aEndOffset = endOffset;
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NS_ENSURE_SUCCESS(rv, nullptr);
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ConvertTexttoAsterisks(accWrap, autoStr);
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NS_ConvertUTF16toUTF8 cautoStr(autoStr);
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return (cautoStr.get()) ? g_strdup(cautoStr.get()) : nullptr;
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}
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static gint
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getCaretOffsetCB(AtkText *aText)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return 0;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return 0;
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int32_t offset;
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nsresult rv = text->GetCaretOffset(&offset);
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return (NS_FAILED(rv)) ? 0 : static_cast<gint>(offset);
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}
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static AtkAttributeSet*
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getRunAttributesCB(AtkText *aText, gint aOffset,
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gint *aStartOffset,
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gint *aEndOffset)
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{
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*aStartOffset = -1;
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*aEndOffset = -1;
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return nullptr;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return nullptr;
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nsCOMPtr<nsIPersistentProperties> attributes;
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int32_t startOffset = 0, endOffset = 0;
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nsresult rv = text->GetTextAttributes(false, aOffset,
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&startOffset, &endOffset,
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getter_AddRefs(attributes));
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NS_ENSURE_SUCCESS(rv, nullptr);
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*aStartOffset = startOffset;
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*aEndOffset = endOffset;
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return ConvertToAtkAttributeSet(attributes);
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}
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static AtkAttributeSet*
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getDefaultAttributesCB(AtkText *aText)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return nullptr;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return nullptr;
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nsCOMPtr<nsIPersistentProperties> attributes;
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nsresult rv = text->GetDefaultTextAttributes(getter_AddRefs(attributes));
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if (NS_FAILED(rv))
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return nullptr;
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return ConvertToAtkAttributeSet(attributes);
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}
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static void
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getCharacterExtentsCB(AtkText *aText, gint aOffset,
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gint *aX, gint *aY,
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gint *aWidth, gint *aHeight,
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AtkCoordType aCoords)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if(!accWrap || !aX || !aY || !aWidth || !aHeight)
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return;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return;
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int32_t extY = 0, extX = 0;
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int32_t extWidth = 0, extHeight = 0;
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uint32_t goannaCoordType;
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if (aCoords == ATK_XY_SCREEN)
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goannaCoordType = nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE;
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else
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goannaCoordType = nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE;
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#ifdef DEBUG
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nsresult rv =
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#endif
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text->GetCharacterExtents(aOffset, &extX, &extY,
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&extWidth, &extHeight,
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goannaCoordType);
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*aX = extX;
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*aY = extY;
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*aWidth = extWidth;
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*aHeight = extHeight;
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NS_ASSERTION(NS_SUCCEEDED(rv),
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"MaiInterfaceText::GetCharacterExtents, failed\n");
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}
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static void
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getRangeExtentsCB(AtkText *aText, gint aStartOffset, gint aEndOffset,
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AtkCoordType aCoords, AtkTextRectangle *aRect)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if(!accWrap || !aRect)
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return;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return;
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int32_t extY = 0, extX = 0;
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int32_t extWidth = 0, extHeight = 0;
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uint32_t goannaCoordType;
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if (aCoords == ATK_XY_SCREEN)
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goannaCoordType = nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE;
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else
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goannaCoordType = nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE;
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#ifdef DEBUG
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nsresult rv =
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#endif
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text->GetRangeExtents(aStartOffset, aEndOffset,
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&extX, &extY,
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&extWidth, &extHeight,
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goannaCoordType);
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aRect->x = extX;
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aRect->y = extY;
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aRect->width = extWidth;
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aRect->height = extHeight;
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NS_ASSERTION(NS_SUCCEEDED(rv),
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"MaiInterfaceText::GetRangeExtents, failed\n");
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}
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static gint
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getCharacterCountCB(AtkText *aText)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return 0;
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HyperTextAccessible* textAcc = accWrap->AsHyperText();
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return textAcc->IsDefunct() ?
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0 : static_cast<gint>(textAcc->CharacterCount());
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}
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static gint
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getOffsetAtPointCB(AtkText *aText,
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gint aX, gint aY,
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AtkCoordType aCoords)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return -1;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return -1;
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int32_t offset = 0;
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uint32_t goannaCoordType;
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if (aCoords == ATK_XY_SCREEN)
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goannaCoordType = nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE;
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else
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goannaCoordType = nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE;
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text->GetOffsetAtPoint(aX, aY, goannaCoordType, &offset);
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return static_cast<gint>(offset);
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}
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static gint
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getTextSelectionCountCB(AtkText *aText)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return 0;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return 0;
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int32_t selectionCount;
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nsresult rv = text->GetSelectionCount(&selectionCount);
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return NS_FAILED(rv) ? 0 : selectionCount;
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}
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static gchar*
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getTextSelectionCB(AtkText *aText, gint aSelectionNum,
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gint *aStartOffset, gint *aEndOffset)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return nullptr;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return nullptr;
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int32_t startOffset = 0, endOffset = 0;
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nsresult rv = text->GetSelectionBounds(aSelectionNum,
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&startOffset, &endOffset);
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*aStartOffset = startOffset;
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*aEndOffset = endOffset;
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NS_ENSURE_SUCCESS(rv, nullptr);
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return getTextCB(aText, *aStartOffset, *aEndOffset);
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}
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// set methods
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static gboolean
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addTextSelectionCB(AtkText *aText,
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gint aStartOffset,
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gint aEndOffset)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return FALSE;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return false;
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nsresult rv = text->AddSelection(aStartOffset, aEndOffset);
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return NS_SUCCEEDED(rv) ? TRUE : FALSE;
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}
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static gboolean
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removeTextSelectionCB(AtkText *aText,
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gint aSelectionNum)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return FALSE;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return false;
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nsresult rv = text->RemoveSelection(aSelectionNum);
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return NS_SUCCEEDED(rv) ? TRUE : FALSE;
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}
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static gboolean
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setTextSelectionCB(AtkText *aText, gint aSelectionNum,
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gint aStartOffset, gint aEndOffset)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return FALSE;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return false;
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nsresult rv = text->SetSelectionBounds(aSelectionNum,
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aStartOffset, aEndOffset);
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return NS_SUCCEEDED(rv) ? TRUE : FALSE;
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}
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static gboolean
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setCaretOffsetCB(AtkText *aText, gint aOffset)
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{
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (!accWrap)
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return FALSE;
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole())
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return false;
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nsresult rv = text->SetCaretOffset(aOffset);
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return NS_SUCCEEDED(rv) ? TRUE : FALSE;
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}
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}
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void
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textInterfaceInitCB(AtkTextIface* aIface)
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{
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NS_ASSERTION(aIface, "Invalid aIface");
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if (MOZ_UNLIKELY(!aIface))
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return;
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aIface->get_text = getTextCB;
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aIface->get_text_after_offset = getTextAfterOffsetCB;
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aIface->get_text_at_offset = getTextAtOffsetCB;
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aIface->get_character_at_offset = getCharacterAtOffsetCB;
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aIface->get_text_before_offset = getTextBeforeOffsetCB;
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aIface->get_caret_offset = getCaretOffsetCB;
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aIface->get_run_attributes = getRunAttributesCB;
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aIface->get_default_attributes = getDefaultAttributesCB;
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aIface->get_character_extents = getCharacterExtentsCB;
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aIface->get_range_extents = getRangeExtentsCB;
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aIface->get_character_count = getCharacterCountCB;
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aIface->get_offset_at_point = getOffsetAtPointCB;
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aIface->get_n_selections = getTextSelectionCountCB;
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aIface->get_selection = getTextSelectionCB;
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// set methods
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aIface->add_selection = addTextSelectionCB;
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aIface->remove_selection = removeTextSelectionCB;
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aIface->set_selection = setTextSelectionCB;
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aIface->set_caret_offset = setCaretOffsetCB;
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}
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