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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/system/time/calendar_list_model.h"
#include <iterator>
#include <optional>
#include <string>
#include "ash/ash_export.h"
#include "ash/calendar/calendar_client.h"
#include "ash/calendar/calendar_controller.h"
#include "ash/public/cpp/session/session_observer.h"
#include "ash/shell.h"
#include "ash/system/time/calendar_event_fetch_types.h"
#include "ash/system/time/calendar_metrics.h"
#include "ash/system/time/calendar_utils.h"
#include "base/check_is_test.h"
#include "base/functional/bind.h"
#include "base/metrics/histogram_functions.h"
#include "base/strings/string_util.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "google_apis/calendar/calendar_api_response_types.h"
#include "google_apis/common/api_error_codes.h"
namespace {
// Compares two calendars by primary field first, then alphabetically by
// summary (i.e. Calendar name) if neither calendar is primary.
bool CompareByPrimaryAndSummary(
google_apis::calendar::SingleCalendar calendar_one,
google_apis::calendar::SingleCalendar calendar_two) {
if (calendar_one.primary()) {
return true;
}
if (calendar_two.primary()) {
return false;
}
return base::CompareCaseInsensitiveASCII(calendar_one.summary(),
calendar_two.summary()) < 0;
}
void FilterForSelectedCalendars(ash::CalendarList& calendars) {
calendars.remove_if([](google_apis::calendar::SingleCalendar calendar) {
return !calendar.selected();
});
}
} // namespace
namespace ash {
CalendarListModel::CalendarListModel()
: timeout_(nullptr), session_observer_(this) {}
CalendarListModel::~CalendarListModel() = default;
void CalendarListModel::OnSessionStateChanged(
session_manager::SessionState state) {
ClearCacheAndCancelFetch();
}
void CalendarListModel::OnActiveUserSessionChanged(
const AccountId& account_id) {
ClearCacheAndCancelFetch();
}
void CalendarListModel::AddObserver(Observer* observer) {
if (observer) {
observers_.AddObserver(observer);
}
}
void CalendarListModel::RemoveObserver(Observer* observer) {
if (observer) {
observers_.RemoveObserver(observer);
}
}
void CalendarListModel::FetchCalendars() {
if (!calendar_utils::ShouldFetchCalendarData()) {
return;
}
CancelFetch();
fetch_in_progress_ = true;
fetch_start_time_ = base::TimeTicks::Now();
CalendarClient* client = Shell::Get()->calendar_controller()->GetClient();
// Bail out early if there is no CalendarClient. This will be the case in
// most unit tests.
if (!client) {
CHECK_IS_TEST();
return;
}
cancel_closure_ = client->GetCalendarList(base::BindOnce(
&CalendarListModel::OnCalendarListFetched, weak_factory_.GetWeakPtr()));
CHECK(cancel_closure_);
timeout_.Start(FROM_HERE, calendar_utils::kCalendarDataFetchTimeout,
base::BindOnce(&CalendarListModel::OnCalendarListFetchTimeout,
weak_factory_.GetWeakPtr()));
}
void CalendarListModel::CancelFetch() {
timeout_.Stop();
if (cancel_closure_) {
std::move(cancel_closure_).Run();
}
}
CalendarList CalendarListModel::GetCachedCalendarList() {
// Since the calendar list is kept until it is replaced during a re-fetch
// (or removed during a session change), we check is_cached_ before returning
// the list.
if (get_is_cached()) {
return calendar_list_;
}
CalendarList empty_calendar_list;
return empty_calendar_list;
}
void CalendarListModel::OnCalendarListFetched(
google_apis::ApiErrorCode error,
std::unique_ptr<google_apis::calendar::CalendarList> calendars) {
// Cancel timeout timer unless it was previously stopped on Cancel.
if (error != google_apis::CANCELLED) {
timeout_.Stop();
}
calendar_metrics::RecordCalendarListFetchDuration(base::TimeTicks::Now() -
fetch_start_time_);
calendar_metrics::RecordCalendarListFetchErrorCode(error);
calendar_metrics::RecordCalendarListFetchTimeout(false);
if (error == google_apis::HTTP_SUCCESS) {
if (calendars && !calendars->items().empty()) {
ClearCachedCalendarList();
for (auto& calendar : calendars->items()) {
calendar_list_.push_back(*calendar.get());
}
FilterForSelectedCalendars(calendar_list_);
calendar_metrics::RecordTotalSelectedCalendars(calendar_list_.size());
// The ordering of the calendar list is not always consistent between
// API calls, so calendar lists are sorted to maintain consistency of
// which events are shown. The sorter also moves the primary calendar
// to the top of the list.
calendar_list_.sort(CompareByPrimaryAndSummary);
if (calendar_list_.size() > calendar_utils::kMultipleCalendarsLimit) {
calendar_list_.resize(calendar_utils::kMultipleCalendarsLimit);
}
is_cached_ = true;
}
}
// In case of error, we fallback to a previously cached calendar list if it
// exists. So we still notify observers of completion in all cases.
fetch_in_progress_ = false;
for (auto& observer : observers_) {
observer.OnCalendarListFetchComplete();
}
}
void CalendarListModel::OnCalendarListFetchTimeout() {
calendar_metrics::RecordCalendarListFetchTimeout(true);
fetch_in_progress_ = false;
for (auto& observer : observers_) {
observer.OnCalendarListFetchComplete();
}
}
void CalendarListModel::ClearCachedCalendarList() {
calendar_list_.clear();
is_cached_ = false;
}
void CalendarListModel::ClearCacheAndCancelFetch() {
CancelFetch();
fetch_in_progress_ = false;
ClearCachedCalendarList();
}
} // namespace ash
|
