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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 <stddef.h>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/logging.h"
#include "base/macros.h"
#include "components/test_runner/mock_grammar_check.h"
#include "components/test_runner/test_runner.h"
#include "components/test_runner/web_test_delegate.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebKit.h"
#include "third_party/WebKit/public/web/WebTextCheckingCompletion.h"
#include "third_party/WebKit/public/web/WebTextCheckingResult.h"
namespace test_runner {
SpellCheckClient::SpellCheckClient(TestRunner* test_runner)
: last_requested_text_checking_completion_(nullptr),
test_runner_(test_runner),
weak_factory_(this) {
DCHECK(test_runner);
}
SpellCheckClient::~SpellCheckClient() {
}
void SpellCheckClient::SetDelegate(WebTestDelegate* delegate) {
delegate_ = delegate;
}
void SpellCheckClient::SetEnabled(bool enabled) {
enabled_ = enabled;
}
void SpellCheckClient::Reset() {
enabled_ = false;
resolved_callback_.Reset();
}
// blink::WebSpellCheckClient
void SpellCheckClient::checkSpelling(
const blink::WebString& text,
int& misspelled_offset,
int& misspelled_length,
blink::WebVector<blink::WebString>* optional_suggestions) {
if (!enabled_) {
misspelled_offset = 0;
misspelled_length = 0;
return;
}
// Check the spelling of the given text.
spell_check_.SpellCheckWord(text, &misspelled_offset, &misspelled_length);
}
void SpellCheckClient::requestCheckingOfText(
const blink::WebString& text,
const blink::WebVector<uint32_t>& markers,
const blink::WebVector<unsigned>& marker_offsets,
blink::WebTextCheckingCompletion* completion) {
if (!enabled_ || text.isEmpty()) {
if (completion) {
completion->didCancelCheckingText();
RequestResolved();
}
return;
}
if (last_requested_text_checking_completion_) {
last_requested_text_checking_completion_->didCancelCheckingText();
RequestResolved();
}
last_requested_text_checking_completion_ = completion;
last_requested_text_check_string_ = text;
if (spell_check_.HasInCache(text))
FinishLastTextCheck();
else
delegate_->PostDelayedTask(
base::Bind(&SpellCheckClient::FinishLastTextCheck,
weak_factory_.GetWeakPtr()),
0);
}
void SpellCheckClient::cancelAllPendingRequests() {
if (!last_requested_text_checking_completion_)
return;
last_requested_text_checking_completion_->didCancelCheckingText();
last_requested_text_checking_completion_ = nullptr;
}
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;
RequestResolved();
if (test_runner_->shouldDumpSpellCheckCallbacks())
delegate_->PrintMessage("SpellCheckEvent: FinishLastTextCheck\n");
}
void SpellCheckClient::SetSpellCheckResolvedCallback(
v8::Local<v8::Function> callback) {
resolved_callback_.Reset(blink::mainThreadIsolate(), callback);
}
void SpellCheckClient::RemoveSpellCheckResolvedCallback() {
resolved_callback_.Reset();
}
void SpellCheckClient::RequestResolved() {
if (resolved_callback_.IsEmpty())
return;
v8::Isolate* isolate = blink::mainThreadIsolate();
v8::HandleScope handle_scope(isolate);
blink::WebFrame* frame = test_runner_->mainFrame();
if (!frame || frame->isWebRemoteFrame())
return;
v8::Local<v8::Context> context = frame->mainWorldScriptContext();
if (context.IsEmpty())
return;
v8::Context::Scope context_scope(context);
frame->callFunctionEvenIfScriptDisabled(
v8::Local<v8::Function>::New(isolate, resolved_callback_),
context->Global(), 0, nullptr);
}
} // namespace test_runner
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