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// Copyright 2016 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/ntp_tiles/webui/ntp_tiles_internals_message_handler.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/files/file_util.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "base/task_runner_util.h"
#include "base/values.h"
#include "components/ntp_tiles/most_visited_sites.h"
#include "components/ntp_tiles/pref_names.h"
#include "components/ntp_tiles/webui/ntp_tiles_internals_message_handler_client.h"
#include "components/prefs/pref_service.h"
#include "components/url_formatter/url_fixer.h"
#include "url/gurl.h"
namespace ntp_tiles {
namespace {
std::string FormatJson(const base::Value& value) {
std::string pretty_printed;
bool ok = base::JSONWriter::WriteWithOptions(
value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &pretty_printed);
DCHECK(ok);
return pretty_printed;
}
} // namespace
NTPTilesInternalsMessageHandler::NTPTilesInternalsMessageHandler()
: client_(nullptr), site_count_(8), weak_ptr_factory_(this) {}
NTPTilesInternalsMessageHandler::~NTPTilesInternalsMessageHandler() = default;
void NTPTilesInternalsMessageHandler::RegisterMessages(
NTPTilesInternalsMessageHandlerClient* client) {
client_ = client;
client_->RegisterMessageCallback(
"registerForEvents",
base::Bind(&NTPTilesInternalsMessageHandler::HandleRegisterForEvents,
base::Unretained(this)));
client_->RegisterMessageCallback(
"update", base::Bind(&NTPTilesInternalsMessageHandler::HandleUpdate,
base::Unretained(this)));
client_->RegisterMessageCallback(
"fetchSuggestions",
base::Bind(&NTPTilesInternalsMessageHandler::HandleFetchSuggestions,
base::Unretained(this)));
client_->RegisterMessageCallback(
"viewPopularSitesJson",
base::Bind(&NTPTilesInternalsMessageHandler::HandleViewPopularSitesJson,
base::Unretained(this)));
}
void NTPTilesInternalsMessageHandler::HandleRegisterForEvents(
const base::ListValue* args) {
if (!client_->SupportsNTPTiles()) {
base::DictionaryValue disabled;
disabled.SetBoolean("topSites", false);
disabled.SetBoolean("suggestionsService", false);
disabled.SetBoolean("popular", false);
disabled.SetBoolean("whitelist", false);
client_->CallJavascriptFunction(
"chrome.ntp_tiles_internals.receiveSourceInfo", disabled);
SendTiles(NTPTilesVector());
return;
}
DCHECK(args->empty());
suggestions_status_.clear();
popular_sites_json_.clear();
most_visited_sites_ = client_->MakeMostVisitedSites();
most_visited_sites_->SetMostVisitedURLsObserver(this, site_count_);
SendSourceInfo();
}
void NTPTilesInternalsMessageHandler::HandleUpdate(
const base::ListValue* args) {
if (!client_->SupportsNTPTiles()) {
return;
}
const base::DictionaryValue* dict = nullptr;
DCHECK_EQ(1u, args->GetSize());
args->GetDictionary(0, &dict);
DCHECK(dict);
PrefService* prefs = client_->GetPrefs();
if (most_visited_sites_->DoesSourceExist(ntp_tiles::TileSource::POPULAR)) {
popular_sites_json_.clear();
std::string url;
dict->GetString("popular.overrideURL", &url);
if (url.empty()) {
prefs->ClearPref(ntp_tiles::prefs::kPopularSitesOverrideURL);
} else {
prefs->SetString(ntp_tiles::prefs::kPopularSitesOverrideURL,
url_formatter::FixupURL(url, std::string()).spec());
}
std::string country;
dict->GetString("popular.overrideCountry", &country);
if (country.empty()) {
prefs->ClearPref(ntp_tiles::prefs::kPopularSitesOverrideCountry);
} else {
prefs->SetString(ntp_tiles::prefs::kPopularSitesOverrideCountry, country);
}
std::string version;
dict->GetString("popular.overrideVersion", &version);
if (version.empty()) {
prefs->ClearPref(ntp_tiles::prefs::kPopularSitesOverrideVersion);
} else {
prefs->SetString(ntp_tiles::prefs::kPopularSitesOverrideVersion, version);
}
}
// Recreate to pick up new values.
// TODO(sfiera): refresh MostVisitedSites without re-creating it, as soon as
// that will pick up changes to the Popular Sites overrides.
most_visited_sites_ = client_->MakeMostVisitedSites();
most_visited_sites_->SetMostVisitedURLsObserver(this, site_count_);
SendSourceInfo();
}
void NTPTilesInternalsMessageHandler::HandleFetchSuggestions(
const base::ListValue* args) {
DCHECK_EQ(0u, args->GetSize());
if (!most_visited_sites_->DoesSourceExist(
ntp_tiles::TileSource::SUGGESTIONS_SERVICE)) {
return;
}
if (most_visited_sites_->suggestions()->FetchSuggestionsData()) {
suggestions_status_ = "fetching...";
} else {
suggestions_status_ = "history sync is disabled, or not yet initialized";
}
SendSourceInfo();
}
void NTPTilesInternalsMessageHandler::HandleViewPopularSitesJson(
const base::ListValue* args) {
DCHECK_EQ(0u, args->GetSize());
if (!most_visited_sites_->DoesSourceExist(ntp_tiles::TileSource::POPULAR)) {
return;
}
popular_sites_json_ =
FormatJson(*most_visited_sites_->popular_sites()->GetCachedJson());
SendSourceInfo();
}
void NTPTilesInternalsMessageHandler::SendSourceInfo() {
PrefService* prefs = client_->GetPrefs();
base::DictionaryValue value;
value.SetBoolean("topSites",
most_visited_sites_->DoesSourceExist(TileSource::TOP_SITES));
value.SetBoolean("whitelist",
most_visited_sites_->DoesSourceExist(TileSource::WHITELIST));
if (most_visited_sites_->DoesSourceExist(TileSource::SUGGESTIONS_SERVICE)) {
value.SetString("suggestionsService.status", suggestions_status_);
} else {
value.SetBoolean("suggestionsService", false);
}
if (most_visited_sites_->DoesSourceExist(TileSource::POPULAR)) {
auto* popular_sites = most_visited_sites_->popular_sites();
value.SetString("popular.url", popular_sites->GetURLToFetch().spec());
value.SetString("popular.country", popular_sites->GetCountryToFetch());
value.SetString("popular.version", popular_sites->GetVersionToFetch());
value.SetString(
"popular.overrideURL",
prefs->GetString(ntp_tiles::prefs::kPopularSitesOverrideURL));
value.SetString(
"popular.overrideCountry",
prefs->GetString(ntp_tiles::prefs::kPopularSitesOverrideCountry));
value.SetString(
"popular.overrideVersion",
prefs->GetString(ntp_tiles::prefs::kPopularSitesOverrideVersion));
value.SetString("popular.json", popular_sites_json_);
} else {
value.SetBoolean("popular", false);
}
client_->CallJavascriptFunction(
"chrome.ntp_tiles_internals.receiveSourceInfo", value);
}
void NTPTilesInternalsMessageHandler::SendTiles(const NTPTilesVector& tiles) {
auto sites_list = base::MakeUnique<base::ListValue>();
for (const NTPTile& tile : tiles) {
auto entry = base::MakeUnique<base::DictionaryValue>();
entry->SetString("title", tile.title);
entry->SetString("url", tile.url.spec());
entry->SetInteger("source", static_cast<int>(tile.source));
entry->SetString("whitelistIconPath",
tile.whitelist_icon_path.LossyDisplayName());
sites_list->Append(std::move(entry));
}
base::DictionaryValue result;
result.Set("sites", std::move(sites_list));
client_->CallJavascriptFunction("chrome.ntp_tiles_internals.receiveSites",
result);
}
void NTPTilesInternalsMessageHandler::OnMostVisitedURLsAvailable(
const NTPTilesVector& tiles) {
SendTiles(tiles);
}
void NTPTilesInternalsMessageHandler::OnIconMadeAvailable(
const GURL& site_url) {}
} // namespace ntp_tiles
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