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
|
// Copyright 2014 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/android/logo_service.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/google/google_profile_helper.h"
#include "chrome/browser/image_decoder.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "components/google/core/browser/google_util.h"
#include "components/keyed_service/content/browser_context_dependency_manager.h"
#include "components/search_engines/template_url_service.h"
#include "components/search_provider_logos/google_logo_api.h"
#include "content/public/browser/browser_thread.h"
#include "net/url_request/url_request_context_getter.h"
using content::BrowserThread;
using search_provider_logos::Logo;
using search_provider_logos::LogoDelegate;
using search_provider_logos::LogoTracker;
namespace {
const char kGoogleDoodleURLPath[] = "async/newtab_mobile";
const char kCachedLogoDirectory[] = "Search Logo";
const int kDecodeLogoTimeoutSeconds = 30;
// Returns the URL where the doodle can be downloaded, e.g.
// https://www.google.com/async/newtab_mobile. This depends on the user's
// Google domain.
GURL GetGoogleDoodleURL(Profile* profile) {
// SetPathStr() requires its argument to stay in scope as long as
// |replacements| is, so a std::string is needed, instead of a char*.
std::string path = kGoogleDoodleURLPath;
GURL::Replacements replacements;
replacements.SetPathStr(path);
GURL base_url(google_util::CommandLineGoogleBaseURL());
if (!base_url.is_valid())
base_url = google_profile_helper::GetGoogleHomePageURL(profile);
return base_url.ReplaceComponents(replacements);
}
class LogoDecoderDelegate : public ImageDecoder::Delegate {
public:
LogoDecoderDelegate(
const scoped_refptr<ImageDecoder>& image_decoder,
const base::Callback<void(const SkBitmap&)>& image_decoded_callback)
: image_decoder_(image_decoder),
image_decoded_callback_(image_decoded_callback),
weak_ptr_factory_(this) {
// If the ImageDecoder crashes or otherwise never completes, call
// OnImageDecodeTimedOut() eventually to ensure that image_decoded_callback_
// is run.
base::MessageLoopProxy::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&LogoDecoderDelegate::OnDecodeImageFailed,
weak_ptr_factory_.GetWeakPtr(),
(const ImageDecoder*) NULL),
base::TimeDelta::FromSeconds(kDecodeLogoTimeoutSeconds));
}
virtual ~LogoDecoderDelegate() {
image_decoder_->set_delegate(NULL);
}
// ImageDecoder::Delegate:
virtual void OnImageDecoded(const ImageDecoder* decoder,
const SkBitmap& decoded_image) override {
image_decoded_callback_.Run(decoded_image);
delete this;
}
virtual void OnDecodeImageFailed(const ImageDecoder* decoder) override {
image_decoded_callback_.Run(SkBitmap());
delete this;
}
private:
scoped_refptr<ImageDecoder> image_decoder_;
base::Callback<void(const SkBitmap&)> image_decoded_callback_;
base::WeakPtrFactory<LogoDecoderDelegate> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(LogoDecoderDelegate);
};
class ChromeLogoDelegate : public search_provider_logos::LogoDelegate {
public:
ChromeLogoDelegate() {}
virtual ~ChromeLogoDelegate() {}
// search_provider_logos::LogoDelegate:
virtual void DecodeUntrustedImage(
const scoped_refptr<base::RefCountedString>& encoded_image,
base::Callback<void(const SkBitmap&)> image_decoded_callback) override {
scoped_refptr<ImageDecoder> image_decoder = new ImageDecoder(
NULL,
encoded_image->data(),
ImageDecoder::DEFAULT_CODEC);
LogoDecoderDelegate* delegate =
new LogoDecoderDelegate(image_decoder, image_decoded_callback);
image_decoder->set_delegate(delegate);
image_decoder->Start(base::MessageLoopProxy::current());
}
private:
DISALLOW_COPY_AND_ASSIGN(ChromeLogoDelegate);
};
} // namespace
// LogoService ----------------------------------------------------------------
LogoService::LogoService(Profile* profile) : profile_(profile) {
}
LogoService::~LogoService() {
}
void LogoService::GetLogo(search_provider_logos::LogoObserver* observer) {
TemplateURLService* template_url_service =
TemplateURLServiceFactory::GetForProfile(profile_);
if (!template_url_service)
return;
TemplateURL* template_url = template_url_service->GetDefaultSearchProvider();
if (!template_url || !template_url->url_ref().HasGoogleBaseURLs(
template_url_service->search_terms_data()))
return;
if (!logo_tracker_) {
logo_tracker_.reset(new LogoTracker(
profile_->GetPath().Append(kCachedLogoDirectory),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE),
BrowserThread::GetBlockingPool(),
profile_->GetRequestContext(),
scoped_ptr<search_provider_logos::LogoDelegate>(
new ChromeLogoDelegate())));
}
logo_tracker_->SetServerAPI(
GetGoogleDoodleURL(profile_),
base::Bind(&search_provider_logos::GoogleParseLogoResponse),
base::Bind(&search_provider_logos::GoogleAppendFingerprintToLogoURL));
logo_tracker_->GetLogo(observer);
}
// LogoServiceFactory ---------------------------------------------------------
// static
LogoService* LogoServiceFactory::GetForProfile(Profile* profile) {
return static_cast<LogoService*>(
GetInstance()->GetServiceForBrowserContext(profile, true));
}
// static
LogoServiceFactory* LogoServiceFactory::GetInstance() {
return Singleton<LogoServiceFactory>::get();
}
LogoServiceFactory::LogoServiceFactory()
: BrowserContextKeyedServiceFactory(
"LogoService",
BrowserContextDependencyManager::GetInstance()) {
}
LogoServiceFactory::~LogoServiceFactory() {}
KeyedService* LogoServiceFactory::BuildServiceInstanceFor(
content::BrowserContext* context) const {
Profile* profile = static_cast<Profile*>(context);
DCHECK(!profile->IsOffTheRecord());
return new LogoService(profile);
}
|
