1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/history_clusters/history_clusters_bridge.h"
#include <utility>
#include "base/android/callback_android.h"
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "chrome/browser/history_clusters/history_clusters_service_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "components/history/core/browser/history_types.h"
#include "url/android/gurl_android.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "chrome/browser/history_clusters/jni_headers/HistoryClustersBridge_jni.h"
using base::android::JavaParamRef;
using base::android::JavaRef;
using base::android::ScopedJavaGlobalRef;
using base::android::ScopedJavaLocalRef;
namespace {
const char kHistoryClustersBridgeKey[] = "history-clusters-bridge";
}
namespace history_clusters {
HistoryClustersBridge::HistoryClustersBridge(
JNIEnv* env,
HistoryClustersService* history_clusters_service)
: history_clusters_service_(history_clusters_service) {
ScopedJavaLocalRef<jobject> j_history_clusters_bridge =
Java_HistoryClustersBridge_create(env, reinterpret_cast<jlong>(this));
java_ref_.Reset(j_history_clusters_bridge);
}
HistoryClustersBridge::~HistoryClustersBridge() = default;
void HistoryClustersBridge::ClustersQueryDone(
JNIEnv* env,
const JavaRef<jobject>& j_this,
const JavaRef<jobject>& j_callback,
const std::string& query,
std::vector<history::Cluster> clusters,
bool can_load_more,
bool is_continuation) {
std::vector<ScopedJavaLocalRef<jobject>> j_clusters;
for (const history::Cluster& cluster : clusters) {
std::vector<ScopedJavaLocalRef<jobject>> cluster_visits;
for (const history::ClusterVisit& visit : cluster.visits) {
std::vector<int> title_match_starts;
std::vector<int> title_match_ends;
for (const auto& match : visit.title_match_positions) {
title_match_starts.push_back(match.first);
title_match_ends.push_back(match.second);
}
std::vector<int> url_match_starts;
std::vector<int> url_match_ends;
for (const auto& match : visit.url_for_display_match_positions) {
url_match_starts.push_back(match.first);
url_match_ends.push_back(match.second);
}
std::vector<int64_t> duplicated_visit_timestamps;
std::vector<ScopedJavaLocalRef<jobject>> duplicated_visit_urls;
for (const auto& duplicate : visit.duplicate_visits) {
duplicated_visit_timestamps.push_back(
duplicate.visit_time.ToInternalValue());
duplicated_visit_urls.push_back(
url::GURLAndroid::FromNativeGURL(env, duplicate.url));
}
const ScopedJavaLocalRef<jobject>& j_cluster_visit =
Java_HistoryClustersBridge_buildClusterVisit(
env, visit.score,
url::GURLAndroid::FromNativeGURL(env, visit.normalized_url),
base::android::ConvertUTF16ToJavaString(env,
visit.url_for_display),
base::android::ConvertUTF16ToJavaString(
env, visit.annotated_visit.url_row.title()),
base::android::ToJavaIntArray(env, title_match_starts),
base::android::ToJavaIntArray(env, title_match_ends),
base::android::ToJavaIntArray(env, url_match_starts),
base::android::ToJavaIntArray(env, url_match_ends),
url::GURLAndroid::FromNativeGURL(
env, visit.annotated_visit.url_row.url()),
visit.annotated_visit.visit_row.visit_time.ToInternalValue(),
base::android::ToJavaLongArray(env, duplicated_visit_timestamps),
duplicated_visit_urls);
cluster_visits.push_back(j_cluster_visit);
}
base::Time visit_time;
if (!cluster.visits.empty())
visit_time = cluster.visits[0].annotated_visit.visit_row.visit_time;
ScopedJavaLocalRef<jclass> cluster_visit_type = base::android::GetClass(
env, "org/chromium/chrome/browser/history_clusters/ClusterVisit");
std::u16string label = cluster.label.value_or(u"no_label");
std::u16string raw_label = cluster.raw_label.value_or(u"no_label");
// Passing objects more complex than primitives requires extra JNI hops, so
// we destructure matches into arrays which can be passed in one hop.
std::vector<int> label_match_starts;
std::vector<int> label_match_ends;
for (const auto& match : cluster.label_match_positions) {
label_match_starts.push_back(match.first);
label_match_ends.push_back(match.second);
}
const ScopedJavaLocalRef<jobject>& j_cluster =
Java_HistoryClustersBridge_buildCluster(
env,
base::android::ToTypedJavaArrayOfObjects(env, cluster_visits,
cluster_visit_type),
base::android::ConvertUTF16ToJavaString(env, label),
base::android::ConvertUTF16ToJavaString(env, raw_label),
base::android::ToJavaIntArray(env, label_match_starts),
base::android::ToJavaIntArray(env, label_match_ends),
visit_time.InMillisecondsSinceUnixEpoch(),
base::android::ToJavaArrayOfStrings(env, cluster.related_searches));
j_clusters.push_back(j_cluster);
}
ScopedJavaLocalRef<jclass> cluster_type = base::android::GetClass(
env, "org/chromium/chrome/browser/history_clusters/HistoryCluster");
std::vector<std::u16string> unique_raw_labels;
std::vector<int> label_counts;
if (query_clusters_state_->query().empty()) {
for (const auto& label_entry :
query_clusters_state_->raw_label_counts_so_far()) {
unique_raw_labels.push_back(label_entry.first);
label_counts.push_back(label_entry.second);
}
}
const ScopedJavaLocalRef<jobject>& j_result =
Java_HistoryClustersBridge_buildClusterResult(
env,
base::android::ToTypedJavaArrayOfObjects(env, j_clusters,
cluster_type),
base::android::ToJavaArrayOfStrings(env, unique_raw_labels),
base::android::ToJavaIntArray(env, label_counts),
base::android::ConvertUTF8ToJavaString(env, query), can_load_more,
is_continuation);
base::android::RunObjectCallbackAndroid(j_callback, j_result);
}
void HistoryClustersBridge::Destroy(JNIEnv* j_env) {
delete this;
}
} // namespace history_clusters
|
