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/*
* Copyright (C) 2012 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WebKitTextChecker.h"
#if ENABLE(SPELLCHECK)
#include "WebKitPrivate.h"
#include <wtf/Vector.h>
#include <wtf/text/CString.h>
using namespace WebKit;
static inline WebKitTextChecker* toTextChecker(const void* clientInfo)
{
return static_cast<WebKitTextChecker*>(const_cast<void*>(clientInfo));
}
static bool continuousSpellCheckingEnabledCallback(const void* clientInfo)
{
return toTextChecker(clientInfo)->isSpellCheckingEnabled();
}
static void setContinuousSpellCheckingEnabledCallback(bool enabled, const void* clientInfo)
{
toTextChecker(clientInfo)->setSpellCheckingEnabled(enabled);
}
static void checkSpellingOfStringCallback(uint64_t tag, WKStringRef text, int32_t* misspellingLocation, int32_t* misspellingLength, const void* clientInfo)
{
toTextChecker(clientInfo)->checkSpellingOfString(toImpl(text)->string(), *misspellingLocation, *misspellingLength);
}
static WKArrayRef guessesForWordCallback(uint64_t tag, WKStringRef word, const void* clientInfo)
{
Vector<String> guesses = toTextChecker(clientInfo)->getGuessesForWord(toImpl(word)->string());
if (guesses.isEmpty())
return 0;
WKMutableArrayRef wkSuggestions = WKMutableArrayCreate();
for (Vector<String>::const_iterator iter = guesses.begin(); iter != guesses.end(); ++iter) {
WKRetainPtr<WKStringRef> wkSuggestion(AdoptWK, WKStringCreateWithUTF8CString(iter->utf8().data()));
WKArrayAppendItem(wkSuggestions, wkSuggestion.get());
}
return wkSuggestions;
}
static void learnWordCallback(uint64_t tag, WKStringRef word, const void* clientInfo)
{
toTextChecker(clientInfo)->learnWord(toImpl(word)->string());
}
static void ignoreWordCallback(uint64_t tag, WKStringRef word, const void* clientInfo)
{
toTextChecker(clientInfo)->ignoreWord(toImpl(word)->string());
}
WebKitTextChecker::~WebKitTextChecker()
{
}
WebKitTextChecker::WebKitTextChecker()
: m_textChecker(WebCore::TextCheckerEnchant::create())
, m_spellCheckingEnabled(false)
{
WKTextCheckerClient wkTextCheckerClient = {
kWKTextCheckerClientCurrentVersion,
this, // clientInfo
0, // continuousSpellCheckingAllowed
continuousSpellCheckingEnabledCallback,
setContinuousSpellCheckingEnabledCallback,
0, // grammarCheckingEnabled
0, // setGrammarCheckingEnabled
0, // uniqueSpellDocumentTag
0, // closeSpellDocumentWithTag
checkSpellingOfStringCallback,
0, // checkGrammarOfString
0, // spellingUIIsShowing
0, // toggleSpellingUIIsShowing
0, // updateSpellingUIWithMisspelledWord
0, // updateSpellingUIWithGrammarString
guessesForWordCallback,
learnWordCallback,
ignoreWordCallback,
};
WKTextCheckerSetClient(&wkTextCheckerClient);
}
void WebKitTextChecker::checkSpellingOfString(const String& string, int& misspellingLocation, int& misspellingLength)
{
m_textChecker->checkSpellingOfString(string, misspellingLocation, misspellingLength);
}
Vector<String> WebKitTextChecker::getGuessesForWord(const String& word)
{
return m_textChecker->getGuessesForWord(word);
}
void WebKitTextChecker::learnWord(const String& word)
{
m_textChecker->learnWord(word);
}
void WebKitTextChecker::ignoreWord(const String& word)
{
m_textChecker->ignoreWord(word);
}
void WebKitTextChecker::setSpellCheckingEnabled(bool enabled)
{
if (m_spellCheckingEnabled == enabled)
return;
m_spellCheckingEnabled = enabled;
// We need to notify the Web process that this has changed.
WKTextCheckerContinuousSpellCheckingEnabledStateChanged(enabled);
}
void WebKitTextChecker::setSpellCheckingLanguages(const String& languages)
{
if (m_spellCheckingLanguages == languages)
return;
m_spellCheckingLanguages = languages;
// We need to update the languages in the enchant-based checker too.
m_textChecker->updateSpellCheckingLanguages(languages);
}
#endif // ENABLE(SPELLCHECK)
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