зеркало из https://github.com/mozilla/gecko-dev.git
677 строки
21 KiB
C++
677 строки
21 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 "mozilla/a11y/PDocAccessible.h"
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#include "Accessible-inl.h"
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#include "HyperTextAccessible-inl.h"
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#include "nsMai.h"
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#include "ProxyAccessible.h"
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#include "nsIAccessibleTypes.h"
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#include "nsIPersistentProperties2.h"
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#include "nsISimpleEnumerator.h"
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#include "nsUTF8Utils.h"
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#include "mozilla/Likely.h"
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#include "DOMtoATK.h"
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using namespace mozilla;
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using namespace mozilla::a11y;
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static const char* sAtkTextAttrNames[ATK_TEXT_ATTR_LAST_DEFINED];
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void ConvertTextAttributeToAtkAttribute(const nsACString& aName,
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const nsAString& aValue,
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AtkAttributeSet** aAttributeSet) {
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// Handle attributes where atk has its own name.
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const char* atkName = nullptr;
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nsAutoString atkValue;
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if (aName.EqualsLiteral("color")) {
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// The format of the atk attribute is r,g,b and the gecko one is
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// rgb(r, g, b).
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atkValue = Substring(aValue, 4, aValue.Length() - 5);
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atkValue.StripWhitespace();
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atkName = sAtkTextAttrNames[ATK_TEXT_ATTR_FG_COLOR];
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} else if (aName.EqualsLiteral("background-color")) {
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// The format of the atk attribute is r,g,b and the gecko one is
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// rgb(r, g, b).
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atkValue = Substring(aValue, 4, aValue.Length() - 5);
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atkValue.StripWhitespace();
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atkName = sAtkTextAttrNames[ATK_TEXT_ATTR_BG_COLOR];
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} else if (aName.EqualsLiteral("font-family")) {
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atkValue = aValue;
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atkName = sAtkTextAttrNames[ATK_TEXT_ATTR_FAMILY_NAME];
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} else if (aName.EqualsLiteral("font-size")) {
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// ATK wants the number of pixels without px at the end.
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atkValue = StringHead(aValue, aValue.Length() - 2);
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atkName = sAtkTextAttrNames[ATK_TEXT_ATTR_SIZE];
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} else if (aName.EqualsLiteral("font-weight")) {
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atkValue = aValue;
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atkName = sAtkTextAttrNames[ATK_TEXT_ATTR_WEIGHT];
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} else if (aName.EqualsLiteral("invalid")) {
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atkValue = aValue;
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atkName = sAtkTextAttrNames[ATK_TEXT_ATTR_INVALID];
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}
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if (atkName) {
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AtkAttribute* objAttr =
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static_cast<AtkAttribute*>(g_malloc(sizeof(AtkAttribute)));
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objAttr->name = g_strdup(atkName);
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objAttr->value = g_strdup(NS_ConvertUTF16toUTF8(atkValue).get());
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*aAttributeSet = g_slist_prepend(*aAttributeSet, objAttr);
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}
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}
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static AtkAttributeSet* ConvertToAtkTextAttributeSet(
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nsTArray<Attribute>& aAttributes) {
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AtkAttributeSet* objAttributeSet = nullptr;
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for (size_t i = 0; i < aAttributes.Length(); ++i) {
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AtkAttribute* objAttr = (AtkAttribute*)g_malloc(sizeof(AtkAttribute));
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objAttr->name = g_strdup(aAttributes[i].Name().get());
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objAttr->value =
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g_strdup(NS_ConvertUTF16toUTF8(aAttributes[i].Value()).get());
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objAttributeSet = g_slist_prepend(objAttributeSet, objAttr);
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ConvertTextAttributeToAtkAttribute(
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aAttributes[i].Name(), aAttributes[i].Value(), &objAttributeSet);
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}
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return objAttributeSet;
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}
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static AtkAttributeSet* ConvertToAtkTextAttributeSet(
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nsIPersistentProperties* aAttributes) {
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if (!aAttributes) return nullptr;
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AtkAttributeSet* objAttributeSet = nullptr;
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nsCOMPtr<nsISimpleEnumerator> propEnum;
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nsresult rv = aAttributes->Enumerate(getter_AddRefs(propEnum));
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NS_ENSURE_SUCCESS(rv, nullptr);
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bool hasMore = false;
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while (NS_SUCCEEDED(propEnum->HasMoreElements(&hasMore)) && hasMore) {
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nsCOMPtr<nsISupports> sup;
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rv = propEnum->GetNext(getter_AddRefs(sup));
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NS_ENSURE_SUCCESS(rv, objAttributeSet);
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nsCOMPtr<nsIPropertyElement> propElem(do_QueryInterface(sup));
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NS_ENSURE_TRUE(propElem, objAttributeSet);
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nsAutoCString name;
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rv = propElem->GetKey(name);
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NS_ENSURE_SUCCESS(rv, objAttributeSet);
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nsAutoString value;
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rv = propElem->GetValue(value);
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NS_ENSURE_SUCCESS(rv, objAttributeSet);
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AtkAttribute* objAttr = (AtkAttribute*)g_malloc(sizeof(AtkAttribute));
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objAttr->name = g_strdup(name.get());
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objAttr->value = g_strdup(NS_ConvertUTF16toUTF8(value).get());
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objAttributeSet = g_slist_prepend(objAttributeSet, objAttr);
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ConvertTextAttributeToAtkAttribute(name, value, &objAttributeSet);
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}
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// libatk-adaptor will free it
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return objAttributeSet;
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}
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static void ConvertTexttoAsterisks(AccessibleWrap* accWrap,
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nsAString& aString) {
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// convert each char to "*" when it's "password text"
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if (accWrap->IsPassword()) {
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DOMtoATK::ConvertTexttoAsterisks(aString);
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}
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}
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extern "C" {
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static gchar* getTextCB(AtkText* aText, gint aStartOffset, gint aEndOffset) {
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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nsAutoString autoStr;
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if (accWrap) {
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole() || text->IsDefunct()) return nullptr;
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return DOMtoATK::NewATKString(
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text, aStartOffset, aEndOffset,
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accWrap->IsPassword()
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? DOMtoATK::AtkStringConvertFlags::ConvertTextToAsterisks
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: DOMtoATK::AtkStringConvertFlags::None);
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} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
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return DOMtoATK::NewATKString(proxy, aStartOffset, aEndOffset,
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DOMtoATK::AtkStringConvertFlags::None);
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}
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return nullptr;
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}
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static gint getCharacterCountCB(AtkText* aText);
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// Note: this does not support magic offsets, which is fine for its callers
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// which do not implement any.
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static gchar* getCharTextAtOffset(AtkText* aText, gint aOffset,
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gint* aStartOffset, gint* aEndOffset) {
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gint end = aOffset + 1;
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gint count = getCharacterCountCB(aText);
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if (aOffset > count) {
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aOffset = count;
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}
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if (end > count) {
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end = count;
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}
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if (aOffset < 0) {
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aOffset = 0;
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}
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if (end < 0) {
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end = 0;
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}
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*aStartOffset = aOffset;
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*aEndOffset = end;
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return getTextCB(aText, aOffset, end);
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}
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static gchar* getTextAfterOffsetCB(AtkText* aText, gint aOffset,
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AtkTextBoundary aBoundaryType,
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gint* aStartOffset, gint* aEndOffset) {
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if (aBoundaryType == ATK_TEXT_BOUNDARY_CHAR) {
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return getCharTextAtOffset(aText, aOffset + 1, aStartOffset, aEndOffset);
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}
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nsAutoString autoStr;
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int32_t startOffset = 0, endOffset = 0;
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole()) return nullptr;
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text->TextAfterOffset(aOffset, aBoundaryType, &startOffset, &endOffset,
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autoStr);
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ConvertTexttoAsterisks(accWrap, autoStr);
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} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
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proxy->GetTextAfterOffset(aOffset, aBoundaryType, autoStr, &startOffset,
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&endOffset);
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}
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*aStartOffset = startOffset;
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*aEndOffset = endOffset;
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// libspi will free it.
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return DOMtoATK::Convert(autoStr);
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}
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static gchar* getTextAtOffsetCB(AtkText* aText, gint aOffset,
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AtkTextBoundary aBoundaryType,
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gint* aStartOffset, gint* aEndOffset) {
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if (aBoundaryType == ATK_TEXT_BOUNDARY_CHAR) {
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return getCharTextAtOffset(aText, aOffset, aStartOffset, aEndOffset);
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}
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nsAutoString autoStr;
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int32_t startOffset = 0, endOffset = 0;
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole()) return nullptr;
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text->TextAtOffset(aOffset, aBoundaryType, &startOffset, &endOffset,
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autoStr);
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ConvertTexttoAsterisks(accWrap, autoStr);
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} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
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proxy->GetTextAtOffset(aOffset, aBoundaryType, autoStr, &startOffset,
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&endOffset);
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}
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*aStartOffset = startOffset;
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*aEndOffset = endOffset;
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// libspi will free it.
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return DOMtoATK::Convert(autoStr);
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}
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static gunichar getCharacterAtOffsetCB(AtkText* aText, gint aOffset) {
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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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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}
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return DOMtoATK::ATKCharacter(text, aOffset);
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}
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if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
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return DOMtoATK::ATKCharacter(proxy, aOffset);
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}
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return 0;
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}
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static gchar* getTextBeforeOffsetCB(AtkText* aText, gint aOffset,
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AtkTextBoundary aBoundaryType,
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gint* aStartOffset, gint* aEndOffset) {
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if (aBoundaryType == ATK_TEXT_BOUNDARY_CHAR) {
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return getCharTextAtOffset(aText, aOffset - 1, aStartOffset, aEndOffset);
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}
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nsAutoString autoStr;
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int32_t startOffset = 0, endOffset = 0;
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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HyperTextAccessible* text = accWrap->AsHyperText();
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if (!text || !text->IsTextRole()) return nullptr;
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text->TextBeforeOffset(aOffset, aBoundaryType, &startOffset, &endOffset,
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autoStr);
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ConvertTexttoAsterisks(accWrap, autoStr);
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} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
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proxy->GetTextBeforeOffset(aOffset, aBoundaryType, autoStr, &startOffset,
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&endOffset);
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}
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*aStartOffset = startOffset;
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*aEndOffset = endOffset;
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// libspi will free it.
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return DOMtoATK::Convert(autoStr);
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}
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static gint getCaretOffsetCB(AtkText* aText) {
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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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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}
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return static_cast<gint>(text->CaretOffset());
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}
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if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
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return static_cast<gint>(proxy->CaretOffset());
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}
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return 0;
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}
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static AtkAttributeSet* getRunAttributesCB(AtkText* aText, gint aOffset,
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gint* aStartOffset,
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gint* aEndOffset) {
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*aStartOffset = -1;
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*aEndOffset = -1;
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int32_t startOffset = 0, endOffset = 0;
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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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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}
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nsCOMPtr<nsIPersistentProperties> attributes =
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text->TextAttributes(false, aOffset, &startOffset, &endOffset);
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*aStartOffset = startOffset;
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*aEndOffset = endOffset;
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return ConvertToAtkTextAttributeSet(attributes);
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}
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ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText));
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if (!proxy) {
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return nullptr;
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}
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AutoTArray<Attribute, 10> attrs;
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proxy->TextAttributes(false, aOffset, &attrs, &startOffset, &endOffset);
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*aStartOffset = startOffset;
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*aEndOffset = endOffset;
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return ConvertToAtkTextAttributeSet(attrs);
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}
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static AtkAttributeSet* getDefaultAttributesCB(AtkText* aText) {
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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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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}
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nsCOMPtr<nsIPersistentProperties> attributes =
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text->DefaultTextAttributes();
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return ConvertToAtkTextAttributeSet(attributes);
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}
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ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText));
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if (!proxy) {
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return nullptr;
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}
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AutoTArray<Attribute, 10> attrs;
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proxy->DefaultTextAttributes(&attrs);
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return ConvertToAtkTextAttributeSet(attrs);
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}
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static void getCharacterExtentsCB(AtkText* aText, gint aOffset, gint* aX,
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gint* aY, gint* aWidth, gint* aHeight,
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AtkCoordType aCoords) {
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if (!aX || !aY || !aWidth || !aHeight) {
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return;
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}
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nsIntRect rect;
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uint32_t geckoCoordType;
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if (aCoords == ATK_XY_SCREEN) {
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geckoCoordType = nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE;
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} else {
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geckoCoordType = nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE;
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}
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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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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}
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rect = text->CharBounds(aOffset, geckoCoordType);
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} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
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rect = proxy->CharBounds(aOffset, geckoCoordType);
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} else {
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return;
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}
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*aX = rect.x;
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*aY = rect.y;
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*aWidth = rect.width;
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*aHeight = rect.height;
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}
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static void getRangeExtentsCB(AtkText* aText, gint aStartOffset,
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gint aEndOffset, AtkCoordType aCoords,
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AtkTextRectangle* aRect) {
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if (!aRect) {
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return;
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}
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nsIntRect rect;
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uint32_t geckoCoordType;
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if (aCoords == ATK_XY_SCREEN) {
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geckoCoordType = nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE;
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} else {
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geckoCoordType = nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE;
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}
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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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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}
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rect = text->TextBounds(aStartOffset, aEndOffset, geckoCoordType);
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} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
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rect = proxy->TextBounds(aStartOffset, aEndOffset, geckoCoordType);
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} else {
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return;
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}
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aRect->x = rect.x;
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aRect->y = rect.y;
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aRect->width = rect.width;
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aRect->height = rect.height;
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}
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static gint getCharacterCountCB(AtkText* aText) {
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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HyperTextAccessible* textAcc = accWrap->AsHyperText();
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return !textAcc || textAcc->IsDefunct()
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? 0
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: static_cast<gint>(textAcc->CharacterCount());
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}
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if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
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return proxy->CharacterCount();
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}
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return 0;
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}
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static gint getOffsetAtPointCB(AtkText* aText, gint aX, gint aY,
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AtkCoordType aCoords) {
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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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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}
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return static_cast<gint>(text->OffsetAtPoint(
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aX, aY,
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(aCoords == ATK_XY_SCREEN
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? nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE
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: nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE)));
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}
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if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
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return static_cast<gint>(proxy->OffsetAtPoint(
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aX, aY,
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(aCoords == ATK_XY_SCREEN
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? nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE
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: nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE)));
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}
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return -1;
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}
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static gint getTextSelectionCountCB(AtkText* aText) {
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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if (accWrap) {
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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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}
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return text->SelectionCount();
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}
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|
|
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
|
|
return proxy->SelectionCount();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static gchar* getTextSelectionCB(AtkText* aText, gint aSelectionNum,
|
|
gint* aStartOffset, gint* aEndOffset) {
|
|
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
|
|
int32_t startOffset = 0, endOffset = 0;
|
|
if (accWrap) {
|
|
HyperTextAccessible* text = accWrap->AsHyperText();
|
|
if (!text || !text->IsTextRole()) {
|
|
return nullptr;
|
|
}
|
|
|
|
text->SelectionBoundsAt(aSelectionNum, &startOffset, &endOffset);
|
|
*aStartOffset = startOffset;
|
|
*aEndOffset = endOffset;
|
|
|
|
return getTextCB(aText, *aStartOffset, *aEndOffset);
|
|
}
|
|
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
|
|
nsString data;
|
|
proxy->SelectionBoundsAt(aSelectionNum, data, &startOffset, &endOffset);
|
|
*aStartOffset = startOffset;
|
|
*aEndOffset = endOffset;
|
|
|
|
NS_ConvertUTF16toUTF8 dataAsUTF8(data);
|
|
return (dataAsUTF8.get()) ? g_strdup(dataAsUTF8.get()) : nullptr;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
// set methods
|
|
static gboolean addTextSelectionCB(AtkText* aText, gint aStartOffset,
|
|
gint aEndOffset) {
|
|
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
|
|
if (accWrap) {
|
|
HyperTextAccessible* text = accWrap->AsHyperText();
|
|
if (!text || !text->IsTextRole()) {
|
|
return FALSE;
|
|
}
|
|
|
|
return text->AddToSelection(aStartOffset, aEndOffset);
|
|
}
|
|
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
|
|
return proxy->AddToSelection(aStartOffset, aEndOffset);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean removeTextSelectionCB(AtkText* aText, gint aSelectionNum) {
|
|
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
|
|
if (accWrap) {
|
|
HyperTextAccessible* text = accWrap->AsHyperText();
|
|
if (!text || !text->IsTextRole()) {
|
|
return FALSE;
|
|
}
|
|
|
|
return text->RemoveFromSelection(aSelectionNum);
|
|
}
|
|
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
|
|
return proxy->RemoveFromSelection(aSelectionNum);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean setTextSelectionCB(AtkText* aText, gint aSelectionNum,
|
|
gint aStartOffset, gint aEndOffset) {
|
|
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
|
|
if (accWrap) {
|
|
HyperTextAccessible* text = accWrap->AsHyperText();
|
|
if (!text || !text->IsTextRole()) {
|
|
return FALSE;
|
|
}
|
|
|
|
return text->SetSelectionBoundsAt(aSelectionNum, aStartOffset, aEndOffset);
|
|
}
|
|
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
|
|
return proxy->SetSelectionBoundsAt(aSelectionNum, aStartOffset, aEndOffset);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean setCaretOffsetCB(AtkText* aText, gint aOffset) {
|
|
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
|
|
if (accWrap) {
|
|
HyperTextAccessible* text = accWrap->AsHyperText();
|
|
if (!text || !text->IsTextRole() || !text->IsValidOffset(aOffset)) {
|
|
return FALSE;
|
|
}
|
|
|
|
text->SetCaretOffset(aOffset);
|
|
return TRUE;
|
|
}
|
|
|
|
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
|
|
proxy->SetCaretOffset(aOffset);
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean scrollSubstringToCB(AtkText* aText, gint aStartOffset,
|
|
gint aEndOffset, AtkScrollType aType) {
|
|
AtkObject* atkObject = ATK_OBJECT(aText);
|
|
AccessibleWrap* accWrap = GetAccessibleWrap(atkObject);
|
|
if (accWrap) {
|
|
HyperTextAccessible* text = accWrap->AsHyperText();
|
|
if (!text || !text->IsTextRole() ||
|
|
!text->IsValidRange(aStartOffset, aEndOffset)) {
|
|
return FALSE;
|
|
}
|
|
text->ScrollSubstringTo(aStartOffset, aEndOffset, aType);
|
|
return TRUE;
|
|
}
|
|
|
|
ProxyAccessible* proxy = GetProxy(atkObject);
|
|
if (proxy) {
|
|
proxy->ScrollSubstringTo(aStartOffset, aEndOffset, aType);
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean scrollSubstringToPointCB(AtkText* aText, gint aStartOffset,
|
|
gint aEndOffset, AtkCoordType aCoords,
|
|
gint aX, gint aY) {
|
|
AtkObject* atkObject = ATK_OBJECT(aText);
|
|
AccessibleWrap* accWrap = GetAccessibleWrap(atkObject);
|
|
if (accWrap) {
|
|
HyperTextAccessible* text = accWrap->AsHyperText();
|
|
if (!text || !text->IsTextRole() ||
|
|
!text->IsValidRange(aStartOffset, aEndOffset)) {
|
|
return FALSE;
|
|
}
|
|
text->ScrollSubstringToPoint(aStartOffset, aEndOffset, aCoords, aX, aY);
|
|
return TRUE;
|
|
}
|
|
|
|
ProxyAccessible* proxy = GetProxy(atkObject);
|
|
if (proxy) {
|
|
proxy->ScrollSubstringToPoint(aStartOffset, aEndOffset, aCoords, aX, aY);
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
void textInterfaceInitCB(AtkTextIface* aIface) {
|
|
NS_ASSERTION(aIface, "Invalid aIface");
|
|
if (MOZ_UNLIKELY(!aIface)) return;
|
|
|
|
aIface->get_text = getTextCB;
|
|
aIface->get_text_after_offset = getTextAfterOffsetCB;
|
|
aIface->get_text_at_offset = getTextAtOffsetCB;
|
|
aIface->get_character_at_offset = getCharacterAtOffsetCB;
|
|
aIface->get_text_before_offset = getTextBeforeOffsetCB;
|
|
aIface->get_caret_offset = getCaretOffsetCB;
|
|
aIface->get_run_attributes = getRunAttributesCB;
|
|
aIface->get_default_attributes = getDefaultAttributesCB;
|
|
aIface->get_character_extents = getCharacterExtentsCB;
|
|
aIface->get_range_extents = getRangeExtentsCB;
|
|
aIface->get_character_count = getCharacterCountCB;
|
|
aIface->get_offset_at_point = getOffsetAtPointCB;
|
|
aIface->get_n_selections = getTextSelectionCountCB;
|
|
aIface->get_selection = getTextSelectionCB;
|
|
|
|
// set methods
|
|
aIface->add_selection = addTextSelectionCB;
|
|
aIface->remove_selection = removeTextSelectionCB;
|
|
aIface->set_selection = setTextSelectionCB;
|
|
aIface->set_caret_offset = setCaretOffsetCB;
|
|
|
|
if (IsAtkVersionAtLeast(2, 32)) {
|
|
aIface->scroll_substring_to = scrollSubstringToCB;
|
|
aIface->scroll_substring_to_point = scrollSubstringToPointCB;
|
|
}
|
|
|
|
// Cache the string values of the atk text attribute names.
|
|
for (uint32_t i = 0; i < ArrayLength(sAtkTextAttrNames); i++)
|
|
sAtkTextAttrNames[i] =
|
|
atk_text_attribute_get_name(static_cast<AtkTextAttribute>(i));
|
|
}
|