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// Copyright 2014 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 "components/test_runner/spell_check_client.h"
#include "components/test_runner/mock_grammar_check.h"
#include "components/test_runner/web_test_delegate.h"
#include "components/test_runner/web_test_proxy.h"
#include "third_party/WebKit/public/web/WebTextCheckingCompletion.h"
#include "third_party/WebKit/public/web/WebTextCheckingResult.h"
namespace test_runner {
namespace {
class HostMethodTask : public WebMethodTask<SpellCheckClient> {
public:
typedef void (SpellCheckClient::*CallbackMethodType)();
HostMethodTask(SpellCheckClient* object, CallbackMethodType callback)
: WebMethodTask<SpellCheckClient>(object), callback_(callback) {}
~HostMethodTask() override {}
void RunIfValid() override { (object_->*callback_)(); }
private:
CallbackMethodType callback_;
DISALLOW_COPY_AND_ASSIGN(HostMethodTask);
};
} // namespace
SpellCheckClient::SpellCheckClient(WebTestProxyBase* web_test_proxy)
: last_requested_text_checking_completion_(0),
web_test_proxy_(web_test_proxy) {
}
SpellCheckClient::~SpellCheckClient() {
}
void SpellCheckClient::SetDelegate(WebTestDelegate* delegate) {
delegate_ = delegate;
}
// blink::WebSpellCheckClient
void SpellCheckClient::spellCheck(
const blink::WebString& text,
int& misspelled_offset,
int& misspelled_length,
blink::WebVector<blink::WebString>* optional_suggestions) {
// Check the spelling of the given text.
spell_check_.SpellCheckWord(text, &misspelled_offset, &misspelled_length);
}
void SpellCheckClient::checkTextOfParagraph(
const blink::WebString& text,
blink::WebTextCheckingTypeMask mask,
blink::WebVector<blink::WebTextCheckingResult>* web_results) {
std::vector<blink::WebTextCheckingResult> results;
if (mask & blink::WebTextCheckingTypeSpelling) {
size_t offset = 0;
base::string16 data = text;
while (offset < data.length()) {
int misspelled_position = 0;
int misspelled_length = 0;
spell_check_.SpellCheckWord(
data.substr(offset), &misspelled_position, &misspelled_length);
if (!misspelled_length)
break;
blink::WebTextCheckingResult result;
result.decoration = blink::WebTextDecorationTypeSpelling;
result.location = offset + misspelled_position;
result.length = misspelled_length;
results.push_back(result);
offset += misspelled_position + misspelled_length;
}
}
if (mask & blink::WebTextCheckingTypeGrammar)
MockGrammarCheck::CheckGrammarOfString(text, &results);
web_results->assign(results);
}
void SpellCheckClient::requestCheckingOfText(
const blink::WebString& text,
const blink::WebVector<uint32_t>& markers,
const blink::WebVector<unsigned>& marker_offsets,
blink::WebTextCheckingCompletion* completion) {
if (text.isEmpty()) {
if (completion)
completion->didCancelCheckingText();
return;
}
if (last_requested_text_checking_completion_)
last_requested_text_checking_completion_->didCancelCheckingText();
last_requested_text_checking_completion_ = completion;
last_requested_text_check_string_ = text;
if (spell_check_.HasInCache(text))
FinishLastTextCheck();
else
delegate_->PostDelayedTask(
new HostMethodTask(this, &SpellCheckClient::FinishLastTextCheck), 0);
}
void SpellCheckClient::FinishLastTextCheck() {
if (!last_requested_text_checking_completion_)
return;
std::vector<blink::WebTextCheckingResult> results;
int offset = 0;
base::string16 text = last_requested_text_check_string_;
if (!spell_check_.IsMultiWordMisspelling(blink::WebString(text), &results)) {
while (text.length()) {
int misspelled_position = 0;
int misspelled_length = 0;
spell_check_.SpellCheckWord(
blink::WebString(text), &misspelled_position, &misspelled_length);
if (!misspelled_length)
break;
blink::WebVector<blink::WebString> suggestions;
spell_check_.FillSuggestionList(
blink::WebString(text.substr(misspelled_position, misspelled_length)),
&suggestions);
results.push_back(blink::WebTextCheckingResult(
blink::WebTextDecorationTypeSpelling,
offset + misspelled_position,
misspelled_length,
suggestions.isEmpty() ? blink::WebString() : suggestions[0]));
text = text.substr(misspelled_position + misspelled_length);
offset += misspelled_position + misspelled_length;
}
MockGrammarCheck::CheckGrammarOfString(last_requested_text_check_string_,
&results);
}
last_requested_text_checking_completion_->didFinishCheckingText(results);
last_requested_text_checking_completion_ = 0;
web_test_proxy_->PostSpellCheckEvent(blink::WebString("FinishLastTextCheck"));
}
} // namespace test_runner
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