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// Copyright (c) 2011 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 "chrome/browser/spellchecker/spellcheck_profile.h"
#include "base/file_util.h"
#include "base/lazy_instance.h"
#include "base/string_split.h"
#include "base/string_util.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/spellchecker/spellcheck_host.h"
#include "chrome/browser/spellchecker/spellcheck_host_metrics.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/pref_names.h"
namespace {
base::LazyInstance<SpellCheckProfile::CustomWordList> g_empty_list(
base::LINKER_INITIALIZED);
} // namespace
SpellCheckProfile::SpellCheckProfile(const FilePath& profile_dir)
: host_ready_(false),
profile_dir_(profile_dir) {
}
SpellCheckProfile::~SpellCheckProfile() {
if (host_.get())
host_->UnsetProfile();
}
SpellCheckHost* SpellCheckProfile::GetHost() {
return host_ready_ ? host_.get() : NULL;
}
SpellCheckProfile::ReinitializeResult SpellCheckProfile::ReinitializeHost(
bool force,
bool enable,
const std::string& language,
net::URLRequestContextGetter* request_context) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI) || IsTesting());
// If we are already loading the spellchecker, and this is just a hint to
// load the spellchecker, do nothing.
if (!force && host_.get())
return REINITIALIZE_DID_NOTHING;
host_ready_ = false;
bool host_deleted = false;
if (host_.get()) {
host_->UnsetProfile();
host_ = NULL;
host_deleted = true;
}
if (enable) {
// Retrieve the (perhaps updated recently) dictionary name from preferences.
host_ = CreateHost(this, language, request_context, metrics_.get());
return REINITIALIZE_CREATED_HOST;
}
return host_deleted ? REINITIALIZE_REMOVED_HOST : REINITIALIZE_DID_NOTHING;
}
SpellCheckHost* SpellCheckProfile::CreateHost(
SpellCheckProfileProvider* provider,
const std::string& language,
net::URLRequestContextGetter* request_context,
SpellCheckHostMetrics* metrics) {
return SpellCheckHost::Create(
provider, language, request_context, metrics);
}
bool SpellCheckProfile::IsTesting() const {
return false;
}
void SpellCheckProfile::StartRecordingMetrics(bool spellcheck_enabled) {
metrics_.reset(new SpellCheckHostMetrics());
metrics_->RecordEnabledStats(spellcheck_enabled);
}
void SpellCheckProfile::SpellCheckHostInitialized(
SpellCheckProfile::CustomWordList* custom_words) {
host_ready_ = !!host_.get() && host_->IsReady();
custom_words_.reset(custom_words);
if (metrics_.get()) {
int count = custom_words_.get() ? custom_words_->size() : 0;
metrics_->RecordCustomWordCountStats(count);
}
}
const SpellCheckProfile::CustomWordList&
SpellCheckProfile::GetCustomWords() const {
return custom_words_.get() ? *custom_words_ : g_empty_list.Get();
}
void SpellCheckProfile::CustomWordAddedLocally(const std::string& word) {
if (!custom_words_.get())
custom_words_.reset(new CustomWordList());
custom_words_->push_back(word);
if (metrics_.get())
metrics_->RecordCustomWordCountStats(custom_words_->size());
}
void SpellCheckProfile::LoadCustomDictionary(CustomWordList* custom_words) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE) || IsTesting());
if (!custom_words)
return;
std::string contents;
file_util::ReadFileToString(GetCustomDictionaryPath(), &contents);
if (contents.empty())
return;
CustomWordList list_of_words;
base::SplitString(contents, '\n', &list_of_words);
for (size_t i = 0; i < list_of_words.size(); ++i) {
if (list_of_words[i] != "")
custom_words->push_back(list_of_words[i]);
}
}
void SpellCheckProfile::WriteWordToCustomDictionary(const std::string& word) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE) || IsTesting());
// Stored in UTF-8.
DCHECK(IsStringUTF8(word));
std::string word_to_add(word + "\n");
FILE* f = file_util::OpenFile(GetCustomDictionaryPath(), "a+");
if (f) {
fputs(word_to_add.c_str(), f);
file_util::CloseFile(f);
}
}
const FilePath& SpellCheckProfile::GetCustomDictionaryPath() {
if (!custom_dictionary_path_.get()) {
custom_dictionary_path_.reset(
new FilePath(profile_dir_.Append(chrome::kCustomDictionaryFileName)));
}
return *custom_dictionary_path_;
}
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