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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "auxiliary_search_top_site_provider_bridge.h"
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "base/hash/hash.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/auxiliary_search/auxiliary_search_provider.h"
#include "chrome/browser/flags/android/chrome_feature_list.h"
#include "chrome/browser/ntp_tiles/chrome_most_visited_sites_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "components/ntp_tiles/constants.h"
#include "url/android/gurl_android.h"
#include "url/url_constants.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "chrome/browser/auxiliary_search/jni_headers/AuxiliarySearchTopSiteProviderBridge_jni.h"
namespace {
// Must match Java Tab.INVALID_TAB_ID.
static constexpr int kInvalidTabId = -1;
constexpr int kMaxNumMostVisitedSites = 4;
constexpr int kMaxScore = 100;
// Converts the index to be an integer score.
int convertSiteSuggestionScore(int index) {
return kMaxScore - index;
}
} // namespace
AuxiliarySearchTopSiteProviderBridge::AuxiliarySearchTopSiteProviderBridge(
std::unique_ptr<ntp_tiles::MostVisitedSites> most_visited_sites)
: most_visited_sites_(std::move(most_visited_sites)) {}
AuxiliarySearchTopSiteProviderBridge::~AuxiliarySearchTopSiteProviderBridge() =
default;
void AuxiliarySearchTopSiteProviderBridge::SetObserverAndTrigger(
JNIEnv* env,
const base::android::JavaRef<jobject>& j_ref_obj) {
observer_ = jni_zero::ScopedJavaGlobalRef<jobject>(j_ref_obj);
CHECK(most_visited_sites_);
most_visited_sites_->AddMostVisitedURLsObserver(this,
kMaxNumMostVisitedSites);
}
void AuxiliarySearchTopSiteProviderBridge::Destroy(JNIEnv* env) {
RemoveObserver();
delete this;
}
void AuxiliarySearchTopSiteProviderBridge::GetMostVisitedSites(
JNIEnv* env) const {
CHECK(most_visited_sites_);
most_visited_sites_->RefreshTiles();
}
void AuxiliarySearchTopSiteProviderBridge::RemoveObserver() {
most_visited_sites_->RemoveMostVisitedURLsObserver(this);
observer_ = nullptr;
}
void AuxiliarySearchTopSiteProviderBridge::OnURLsAvailable(
bool is_user_triggered,
const std::map<ntp_tiles::SectionType, ntp_tiles::NTPTilesVector>&
sections) {
CHECK(most_visited_sites_);
JNIEnv* env = base::android::AttachCurrentThread();
std::vector<jni_zero::ScopedJavaLocalRef<jobject>> entries;
// Uses only personalized tiles for auxiliary search.
auto it = sections.find(ntp_tiles::SectionType::PERSONALIZED);
if (it == sections.end()) {
return;
}
int index = 0;
for (const ntp_tiles::NTPTile& tile : it->second) {
// Filters the tile list to include only TOP_SITES and CUSTOM_LINKS tiles.
if (tile.source != ntp_tiles::TileSource::TOP_SITES &&
tile.source != ntp_tiles::TileSource::CUSTOM_LINKS) {
continue;
}
entries.push_back(Java_AuxiliarySearchTopSiteProviderBridge_addDataEntry(
env, static_cast<int>(AuxiliarySearchEntryType::kTopSite),
url::GURLAndroid::FromNativeGURL(env, tile.url),
base::android::ConvertUTF16ToJavaString(env, tile.title),
tile.last_visit_time.InMillisecondsSinceUnixEpoch(), kInvalidTabId,
/* appId= */ nullptr,
std::abs(static_cast<int>(
base::Hash(tile.url.spec() + base::UTF16ToUTF8(tile.title)))),
convertSiteSuggestionScore(index++)));
}
Java_AuxiliarySearchTopSiteProviderBridge_onMostVisitedSitesURLsAvailable(
env, observer_, entries);
}
void AuxiliarySearchTopSiteProviderBridge::OnIconMadeAvailable(
const GURL& site_url) {
JNIEnv* env = base::android::AttachCurrentThread();
Java_AuxiliarySearchTopSiteProviderBridge_onIconMadeAvailable(env, observer_,
site_url);
}
static jlong JNI_AuxiliarySearchTopSiteProviderBridge_Init(
JNIEnv* env,
const jni_zero::JavaParamRef<jobject>& obj,
Profile* profile) {
DCHECK(profile);
return reinterpret_cast<intptr_t>(new AuxiliarySearchTopSiteProviderBridge(
ChromeMostVisitedSitesFactory::NewForProfile(profile)));
}
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