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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
// Copyright (c) 2010 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 "chrome/browser/sync/glue/theme_util.h"
#include <string>
#include "base/logging.h"
#include "base/scoped_ptr.h"
#include "chrome/browser/extensions/extension_install_ui.h"
#include "chrome/browser/extensions/extension_updater.h"
#include "chrome/browser/extensions/extension_service.h"
#if defined(TOOLKIT_USES_GTK)
#include "chrome/browser/gtk/gtk_theme_provider.h"
#endif
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sync/protocol/theme_specifics.pb.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_constants.h"
#include "chrome/common/pref_names.h"
#include "googleurl/src/gurl.h"
namespace browser_sync {
const char kCurrentThemeClientTag[] = "current_theme";
namespace {
bool IsSystemThemeDistinctFromDefaultTheme() {
#if defined(TOOLKIT_USES_GTK)
return true;
#else
return false;
#endif
}
bool UseSystemTheme(Profile* profile) {
#if defined(TOOLKIT_USES_GTK)
return GtkThemeProvider::GetFrom(profile)->UseGtkTheme();
#else
return false;
#endif
}
} // namespace
bool AreThemeSpecificsEqual(const sync_pb::ThemeSpecifics& a,
const sync_pb::ThemeSpecifics& b) {
return AreThemeSpecificsEqualHelper(
a, b, IsSystemThemeDistinctFromDefaultTheme());
}
bool AreThemeSpecificsEqualHelper(
const sync_pb::ThemeSpecifics& a,
const sync_pb::ThemeSpecifics& b,
bool is_system_theme_distinct_from_default_theme) {
if (a.use_custom_theme() != b.use_custom_theme()) {
return false;
}
if (a.use_custom_theme()) {
// We're using a custom theme, so simply compare IDs since those
// are guaranteed unique.
return a.custom_theme_id() == b.custom_theme_id();
} else if (is_system_theme_distinct_from_default_theme) {
// We're not using a custom theme, but we care about system
// vs. default.
return a.use_system_theme_by_default() == b.use_system_theme_by_default();
} else {
// We're not using a custom theme, and we don't care about system
// vs. default.
return true;
}
}
namespace {
bool IsTheme(const Extension& extension) {
return extension.is_theme();
}
} // namespace
void SetCurrentThemeFromThemeSpecifics(
const sync_pb::ThemeSpecifics& theme_specifics,
Profile* profile) {
DCHECK(profile);
if (theme_specifics.use_custom_theme()) {
// TODO(akalin): Figure out what to do about third-party themes
// (i.e., those not on either Google gallery).
std::string id(theme_specifics.custom_theme_id());
GURL update_url(theme_specifics.custom_theme_update_url());
VLOG(1) << "Applying theme " << id << " with update_url " << update_url;
ExtensionService* extensions_service = profile->GetExtensionService();
CHECK(extensions_service);
const Extension* extension = extensions_service->GetExtensionById(id, true);
if (extension) {
if (!extension->is_theme()) {
VLOG(1) << "Extension " << id << " is not a theme; aborting";
return;
}
ExtensionPrefs* extension_prefs = extensions_service->extension_prefs();
CHECK(extension_prefs);
// TODO(akalin): GetExtensionState() isn't very safe as it
// returns Extension::ENABLED by default; either change it to
// return something else by default or create a separate
// function that does so.
if (extension_prefs->GetExtensionState(extension->id()) !=
Extension::ENABLED) {
VLOG(1) << "Theme " << id << " is not enabled; aborting";
return;
}
// Get previous theme info before we set the new theme.
std::string previous_theme_id;
{
const Extension* current_theme = profile->GetTheme();
if (current_theme) {
DCHECK(current_theme->is_theme());
previous_theme_id = current_theme->id();
}
}
bool previous_use_system_theme = UseSystemTheme(profile);
// An enabled theme extension with the given id was found, so
// just set the current theme to it.
profile->SetTheme(extension);
// Pretend the theme was just installed.
ExtensionInstallUI::ShowThemeInfoBar(
previous_theme_id, previous_use_system_theme,
extension, profile);
} else {
// No extension with this id exists -- we must install it; we do
// so by adding it as a pending extension and then triggering an
// auto-update cycle.
// Themes don't need to install silently as they just pop up an
// informational dialog after installation instead of a
// confirmation dialog.
const bool kInstallSilently = false;
const bool kEnableOnInstall = true;
const bool kEnableIncognitoOnInstall = false;
extensions_service->AddPendingExtensionFromSync(
id, update_url, &IsTheme,
kInstallSilently, kEnableOnInstall, kEnableIncognitoOnInstall);
ExtensionUpdater* extension_updater = extensions_service->updater();
// Auto-updates should now be on always (see the construction of
// the ExtensionService in ProfileImpl::InitExtensions()).
if (!extension_updater) {
LOG(DFATAL) << "Extension updater unexpectedly NULL; "
<< "auto-updates may be turned off";
return;
}
extension_updater->CheckNow();
}
} else if (theme_specifics.use_system_theme_by_default()) {
profile->SetNativeTheme();
} else {
profile->ClearTheme();
}
}
bool UpdateThemeSpecificsOrSetCurrentThemeIfNecessary(
Profile* profile, sync_pb::ThemeSpecifics* theme_specifics) {
if (!theme_specifics->use_custom_theme() &&
(profile->GetTheme() || (UseSystemTheme(profile) &&
IsSystemThemeDistinctFromDefaultTheme()))) {
GetThemeSpecificsFromCurrentTheme(profile, theme_specifics);
return true;
} else {
SetCurrentThemeFromThemeSpecificsIfNecessary(*theme_specifics, profile);
return false;
}
}
void GetThemeSpecificsFromCurrentTheme(
Profile* profile,
sync_pb::ThemeSpecifics* theme_specifics) {
DCHECK(profile);
const Extension* current_theme = profile->GetTheme();
if (current_theme) {
DCHECK(current_theme->is_theme());
}
GetThemeSpecificsFromCurrentThemeHelper(
current_theme,
IsSystemThemeDistinctFromDefaultTheme(),
UseSystemTheme(profile),
theme_specifics);
}
void GetThemeSpecificsFromCurrentThemeHelper(
const Extension* current_theme,
bool is_system_theme_distinct_from_default_theme,
bool use_system_theme_by_default,
sync_pb::ThemeSpecifics* theme_specifics) {
bool use_custom_theme = (current_theme != NULL);
theme_specifics->set_use_custom_theme(use_custom_theme);
if (is_system_theme_distinct_from_default_theme) {
theme_specifics->set_use_system_theme_by_default(
use_system_theme_by_default);
} else {
DCHECK(!use_system_theme_by_default);
}
if (use_custom_theme) {
DCHECK(current_theme);
DCHECK(current_theme->is_theme());
theme_specifics->set_custom_theme_name(current_theme->name());
theme_specifics->set_custom_theme_id(current_theme->id());
theme_specifics->set_custom_theme_update_url(
current_theme->update_url().spec());
} else {
DCHECK(!current_theme);
theme_specifics->clear_custom_theme_name();
theme_specifics->clear_custom_theme_id();
theme_specifics->clear_custom_theme_update_url();
}
}
void SetCurrentThemeFromThemeSpecificsIfNecessary(
const sync_pb::ThemeSpecifics& theme_specifics, Profile* profile) {
DCHECK(profile);
sync_pb::ThemeSpecifics old_theme_specifics;
GetThemeSpecificsFromCurrentTheme(profile, &old_theme_specifics);
if (!AreThemeSpecificsEqual(old_theme_specifics, theme_specifics)) {
SetCurrentThemeFromThemeSpecifics(theme_specifics, profile);
}
}
} // namespace browser_sync
|
