1// Copyright (c) 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/browser/android/date_time_chooser_android.h"
6
7#include "base/android/jni_android.h"
8#include "base/android/jni_string.h"
9#include "base/i18n/char_iterator.h"
10#include "content/common/date_time_suggestion.h"
11#include "content/common/view_messages.h"
12#include "content/public/browser/android/content_view_core.h"
13#include "content/public/browser/render_view_host.h"
14#include "jni/DateTimeChooserAndroid_jni.h"
15#include "third_party/icu/source/common/unicode/uchar.h"
16#include "third_party/icu/source/common/unicode/unistr.h"
17
18using base::android::AttachCurrentThread;
19using base::android::ConvertJavaStringToUTF16;
20using base::android::ConvertUTF8ToJavaString;
21using base::android::ConvertUTF16ToJavaString;
22
23
24namespace {
25
26base::string16 SanitizeSuggestionString(const base::string16& string) {
27  base::string16 trimmed = string.substr(0, 255);
28  icu::UnicodeString sanitized;
29  base::i18n::UTF16CharIterator sanitized_iterator(&trimmed);
30  while (!sanitized_iterator.end()) {
31    UChar c = sanitized_iterator.get();
32    if (u_isprint(c))
33      sanitized.append(c);
34    sanitized_iterator.Advance();
35  }
36  return base::string16(sanitized.getBuffer(),
37                        static_cast<size_t>(sanitized.length()));
38}
39
40}  // namespace
41
42namespace content {
43
44// DateTimeChooserAndroid implementation
45DateTimeChooserAndroid::DateTimeChooserAndroid()
46  : host_(NULL) {
47}
48
49DateTimeChooserAndroid::~DateTimeChooserAndroid() {
50}
51
52// static
53void DateTimeChooserAndroid::InitializeDateInputTypes(
54      int text_input_type_date, int text_input_type_date_time,
55      int text_input_type_date_time_local, int text_input_type_month,
56      int text_input_type_time, int text_input_type_week) {
57  JNIEnv* env = AttachCurrentThread();
58  Java_DateTimeChooserAndroid_initializeDateInputTypes(
59         env,
60         text_input_type_date, text_input_type_date_time,
61         text_input_type_date_time_local, text_input_type_month,
62         text_input_type_time, text_input_type_week);
63}
64
65void DateTimeChooserAndroid::ReplaceDateTime(JNIEnv* env,
66                                             jobject,
67                                             jdouble value) {
68  host_->Send(new ViewMsg_ReplaceDateTime(host_->GetRoutingID(), value));
69}
70
71void DateTimeChooserAndroid::CancelDialog(JNIEnv* env, jobject) {
72  host_->Send(new ViewMsg_CancelDateTimeDialog(host_->GetRoutingID()));
73}
74
75void DateTimeChooserAndroid::ShowDialog(
76    ContentViewCore* content,
77    RenderViewHost* host,
78    ui::TextInputType dialog_type,
79    double dialog_value,
80    double min,
81    double max,
82    double step,
83    const std::vector<DateTimeSuggestion>& suggestions) {
84  host_ = host;
85
86  JNIEnv* env = AttachCurrentThread();
87  ScopedJavaLocalRef<jobjectArray> suggestions_array;
88
89  if (suggestions.size() > 0) {
90    suggestions_array =
91        Java_DateTimeChooserAndroid_createSuggestionsArray(env,
92                                                           suggestions.size());
93    for (size_t i = 0; i < suggestions.size(); ++i) {
94      const content::DateTimeSuggestion& suggestion = suggestions[i];
95      ScopedJavaLocalRef<jstring> localized_value = ConvertUTF16ToJavaString(
96          env, SanitizeSuggestionString(suggestion.localized_value));
97      ScopedJavaLocalRef<jstring> label = ConvertUTF16ToJavaString(
98          env, SanitizeSuggestionString(suggestion.label));
99      Java_DateTimeChooserAndroid_setDateTimeSuggestionAt(env,
100          suggestions_array.obj(), i,
101          suggestion.value, localized_value.obj(), label.obj());
102    }
103  }
104
105  j_date_time_chooser_.Reset(Java_DateTimeChooserAndroid_createDateTimeChooser(
106      env,
107      content->GetJavaObject().obj(),
108      reinterpret_cast<intptr_t>(this),
109      dialog_type,
110      dialog_value,
111      min,
112      max,
113      step,
114      suggestions_array.obj()));
115}
116
117// ----------------------------------------------------------------------------
118// Native JNI methods
119// ----------------------------------------------------------------------------
120bool RegisterDateTimeChooserAndroid(JNIEnv* env) {
121  bool registered = RegisterNativesImpl(env);
122  if (registered)
123    DateTimeChooserAndroid::InitializeDateInputTypes(
124        ui::TEXT_INPUT_TYPE_DATE,
125        ui::TEXT_INPUT_TYPE_DATE_TIME,
126        ui::TEXT_INPUT_TYPE_DATE_TIME_LOCAL,
127        ui::TEXT_INPUT_TYPE_MONTH,
128        ui::TEXT_INPUT_TYPE_TIME,
129        ui::TEXT_INPUT_TYPE_WEEK);
130  return registered;
131}
132
133}  // namespace content
134