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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/shell/renderer/test_runner/SpellCheckClient.h"
#include "content/shell/renderer/test_runner/MockGrammarCheck.h"
#include "content/shell/renderer/test_runner/WebTestDelegate.h"
#include "content/shell/renderer/test_runner/WebTestProxy.h"
#include "third_party/WebKit/public/web/WebTextCheckingCompletion.h"
#include "third_party/WebKit/public/web/WebTextCheckingResult.h"
using namespace blink;
using namespace std;
namespace WebTestRunner {
namespace {
class HostMethodTask : public WebMethodTask<SpellCheckClient> {
public:
typedef void (SpellCheckClient::*CallbackMethodType)();
HostMethodTask(SpellCheckClient* object, CallbackMethodType callback)
: WebMethodTask<SpellCheckClient>(object)
, m_callback(callback)
{ }
virtual void runIfValid() { (m_object->*m_callback)(); }
private:
CallbackMethodType m_callback;
};
}
SpellCheckClient::SpellCheckClient(WebTestProxyBase* webTestProxy)
: m_lastRequestedTextCheckingCompletion(0)
, m_webTestProxy(webTestProxy)
{
}
SpellCheckClient::~SpellCheckClient()
{
}
void SpellCheckClient::setDelegate(WebTestDelegate* delegate)
{
m_delegate = delegate;
}
// blink::WebSpellCheckClient
void SpellCheckClient::spellCheck(const WebString& text, int& misspelledOffset, int& misspelledLength, WebVector<WebString>* optionalSuggestions)
{
// Check the spelling of the given text.
m_spellcheck.spellCheckWord(text, &misspelledOffset, &misspelledLength);
}
void SpellCheckClient::checkTextOfParagraph(const WebString& text, WebTextCheckingTypeMask mask, WebVector<WebTextCheckingResult>* webResults)
{
vector<WebTextCheckingResult> results;
if (mask & WebTextCheckingTypeSpelling) {
size_t offset = 0;
string16 data = text;
while (offset < data.length()) {
int misspelledPosition = 0;
int misspelledLength = 0;
m_spellcheck.spellCheckWord(data.substr(offset), &misspelledPosition, &misspelledLength);
if (!misspelledLength)
break;
WebTextCheckingResult result;
result.decoration = WebTextDecorationTypeSpelling;
result.location = offset + misspelledPosition;
result.length = misspelledLength;
results.push_back(result);
offset += misspelledPosition + misspelledLength;
}
}
if (mask & WebTextCheckingTypeGrammar)
MockGrammarCheck::checkGrammarOfString(text, &results);
webResults->assign(results);
}
void SpellCheckClient::requestCheckingOfText(
const WebString& text,
const WebVector<uint32_t>& markers,
const WebVector<unsigned>& markerOffsets,
WebTextCheckingCompletion* completion)
{
if (text.isEmpty()) {
if (completion)
completion->didCancelCheckingText();
return;
}
if (m_lastRequestedTextCheckingCompletion)
m_lastRequestedTextCheckingCompletion->didCancelCheckingText();
m_lastRequestedTextCheckingCompletion = completion;
m_lastRequestedTextCheckString = text;
if (m_spellcheck.hasInCache(text))
finishLastTextCheck();
else
m_delegate->postDelayedTask(new HostMethodTask(this, &SpellCheckClient::finishLastTextCheck), 0);
}
void SpellCheckClient::finishLastTextCheck()
{
if (!m_lastRequestedTextCheckingCompletion)
return;
vector<WebTextCheckingResult> results;
int offset = 0;
string16 text = m_lastRequestedTextCheckString;
if (!m_spellcheck.isMultiWordMisspelling(WebString(text), &results)) {
while (text.length()) {
int misspelledPosition = 0;
int misspelledLength = 0;
m_spellcheck.spellCheckWord(WebString(text), &misspelledPosition, &misspelledLength);
if (!misspelledLength)
break;
WebVector<WebString> suggestions;
m_spellcheck.fillSuggestionList(WebString(text.substr(misspelledPosition, misspelledLength)), &suggestions);
results.push_back(WebTextCheckingResult(WebTextDecorationTypeSpelling, offset + misspelledPosition, misspelledLength, suggestions.isEmpty() ? WebString() : suggestions[0]));
text = text.substr(misspelledPosition + misspelledLength);
offset += misspelledPosition + misspelledLength;
}
MockGrammarCheck::checkGrammarOfString(m_lastRequestedTextCheckString, &results);
}
m_lastRequestedTextCheckingCompletion->didFinishCheckingText(results);
m_lastRequestedTextCheckingCompletion = 0;
m_webTestProxy->postSpellCheckEvent(WebString("finishLastTextCheck"));
}
WebString SpellCheckClient::autoCorrectWord(const WebString&)
{
// Returns an empty string as Mac WebKit ('WebKitSupport/WebEditorClient.mm')
// does. (If this function returns a non-empty string, WebKit replaces the
// given misspelled string with the result one. This process executes some
// editor commands and causes layout-test failures.)
return WebString();
}
}
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