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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/thumbnails/thumbnail_list_source.h" | 5 #include "chrome/browser/thumbnails/thumbnail_list_source.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 | 8 |
9 #include "base/base64.h" | 9 #include "base/base64.h" |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/memory/ref_counted_memory.h" | 12 #include "base/memory/ref_counted_memory.h" |
13 #include "base/strings/string_util.h" | 13 #include "base/strings/string_util.h" |
14 #include "chrome/browser/history/top_sites_factory.h" | 14 #include "chrome/browser/history/top_sites_factory.h" |
15 #include "chrome/browser/profiles/profile.h" | 15 #include "chrome/browser/profiles/profile.h" |
16 #include "chrome/browser/search/instant_io_context.h" | 16 #include "chrome/browser/search/instant_io_context.h" |
17 #include "chrome/browser/thumbnails/thumbnail_service.h" | 17 #include "chrome/browser/thumbnails/thumbnail_service.h" |
18 #include "chrome/browser/thumbnails/thumbnail_service_factory.h" | 18 #include "chrome/browser/thumbnails/thumbnail_service_factory.h" |
19 #include "chrome/common/url_constants.h" | 19 #include "chrome/common/url_constants.h" |
20 #include "components/history/core/browser/top_sites.h" | 20 #include "components/history/core/browser/top_sites.h" |
| 21 #include "content/public/browser/browser_thread.h" |
21 #include "net/base/escape.h" | 22 #include "net/base/escape.h" |
22 #include "net/url_request/url_request.h" | 23 #include "net/url_request/url_request.h" |
23 | 24 |
| 25 using content::BrowserThread; |
| 26 |
24 namespace { | 27 namespace { |
25 | 28 |
26 const char kHtmlHeader[] = | 29 const char kHtmlHeader[] = |
27 "<!DOCTYPE html>\n<html>\n<head>\n<title>TopSites Thumbnails</title>\n" | 30 "<!DOCTYPE html>\n<html>\n<head>\n<title>TopSites Thumbnails</title>\n" |
28 "<meta charset=\"utf-8\">\n" | 31 "<meta charset=\"utf-8\">\n" |
29 "<style type=\"text/css\">\nimg.thumb {border: 1px solid black;}\n" | 32 "<style type=\"text/css\">\nimg.thumb {border: 1px solid black;}\n" |
30 "li {white-space: nowrap;}\n</style>\n"; | 33 "li {white-space: nowrap;}\n</style>\n"; |
31 const char kHtmlBody[] = "</head>\n<body>\n"; | 34 const char kHtmlBody[] = "</head>\n<body>\n"; |
32 const char kHtmlFooter[] = "</body>\n</html>\n"; | 35 const char kHtmlFooter[] = "</body>\n</html>\n"; |
33 | 36 |
(...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
72 out->push_back("</li>\n"); | 75 out->push_back("</li>\n"); |
73 } | 76 } |
74 } | 77 } |
75 out->push_back("</ul></div>\n"); | 78 out->push_back("</ul></div>\n"); |
76 } | 79 } |
77 | 80 |
78 } // namespace | 81 } // namespace |
79 | 82 |
80 ThumbnailListSource::ThumbnailListSource(Profile* profile) | 83 ThumbnailListSource::ThumbnailListSource(Profile* profile) |
81 : thumbnail_service_(ThumbnailServiceFactory::GetForProfile(profile)), | 84 : thumbnail_service_(ThumbnailServiceFactory::GetForProfile(profile)), |
82 profile_(profile), | 85 top_sites_(TopSitesFactory::GetForProfile(profile)), |
83 weak_ptr_factory_(this) { | 86 weak_ptr_factory_(this) { |
84 } | 87 } |
85 | 88 |
86 ThumbnailListSource::~ThumbnailListSource() { | 89 ThumbnailListSource::~ThumbnailListSource() { |
87 } | 90 } |
88 | 91 |
89 std::string ThumbnailListSource::GetSource() const { | 92 std::string ThumbnailListSource::GetSource() const { |
90 return chrome::kChromeUIThumbnailListHost; | 93 return chrome::kChromeUIThumbnailListHost; |
91 } | 94 } |
92 | 95 |
93 void ThumbnailListSource::StartDataRequest( | 96 void ThumbnailListSource::StartDataRequest( |
94 const std::string& path, | 97 const std::string& path, |
95 int render_process_id, | 98 int render_process_id, |
96 int render_frame_id, | 99 int render_frame_id, |
97 const content::URLDataSource::GotDataCallback& callback) { | 100 const content::URLDataSource::GotDataCallback& callback) { |
98 scoped_refptr<history::TopSites> top_sites = | 101 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
99 TopSitesFactory::GetForProfile(profile_); | 102 if (!top_sites_) { |
100 if (!top_sites) { | |
101 callback.Run(NULL); | 103 callback.Run(NULL); |
102 return; | 104 return; |
103 } | 105 } |
104 | 106 |
105 top_sites->GetMostVisitedURLs( | 107 top_sites_->GetMostVisitedURLs( |
106 base::Bind(&ThumbnailListSource::OnMostVisitedURLsAvailable, | 108 base::Bind(&ThumbnailListSource::OnMostVisitedURLsAvailable, |
107 weak_ptr_factory_.GetWeakPtr(), callback), | 109 weak_ptr_factory_.GetWeakPtr(), callback), |
108 true); | 110 true); |
109 } | 111 } |
110 | 112 |
111 std::string ThumbnailListSource::GetMimeType(const std::string& path) const { | 113 std::string ThumbnailListSource::GetMimeType(const std::string& path) const { |
112 return "text/html"; | 114 return "text/html"; |
113 } | 115 } |
114 | 116 |
115 base::MessageLoop* ThumbnailListSource::MessageLoopForRequestPath( | 117 base::MessageLoop* ThumbnailListSource::MessageLoopForRequestPath( |
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126 return URLDataSource::ShouldServiceRequest(request); | 128 return URLDataSource::ShouldServiceRequest(request); |
127 } | 129 } |
128 | 130 |
129 bool ThumbnailListSource::ShouldReplaceExistingSource() const { | 131 bool ThumbnailListSource::ShouldReplaceExistingSource() const { |
130 return false; | 132 return false; |
131 } | 133 } |
132 | 134 |
133 void ThumbnailListSource::OnMostVisitedURLsAvailable( | 135 void ThumbnailListSource::OnMostVisitedURLsAvailable( |
134 const content::URLDataSource::GotDataCallback& callback, | 136 const content::URLDataSource::GotDataCallback& callback, |
135 const history::MostVisitedURLList& mvurl_list) { | 137 const history::MostVisitedURLList& mvurl_list) { |
| 138 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
136 const size_t num_mv = mvurl_list.size(); | 139 const size_t num_mv = mvurl_list.size(); |
137 size_t num_mv_with_thumb = 0; | 140 size_t num_mv_with_thumb = 0; |
138 | 141 |
139 // Encode all available thumbnails and store into |base64_encoded_pngs|. | 142 // Encode all available thumbnails and store into |base64_encoded_pngs|. |
140 std::vector<std::string> base64_encoded_pngs(num_mv); | 143 std::vector<std::string> base64_encoded_pngs(num_mv); |
141 for (size_t i = 0; i < num_mv; ++i) { | 144 for (size_t i = 0; i < num_mv; ++i) { |
142 scoped_refptr<base::RefCountedMemory> data; | 145 scoped_refptr<base::RefCountedMemory> data; |
143 if (thumbnail_service_->GetPageThumbnail(mvurl_list[i].url, false, &data)) { | 146 if (thumbnail_service_->GetPageThumbnail(mvurl_list[i].url, false, &data)) { |
144 base::Base64Encode(std::string(data->front_as<char>(), data->size()), | 147 base::Base64Encode(std::string(data->front_as<char>(), data->size()), |
145 &base64_encoded_pngs[i]); | 148 &base64_encoded_pngs[i]); |
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157 } | 160 } |
158 if (num_mv_with_thumb < num_mv) { | 161 if (num_mv_with_thumb < num_mv) { |
159 out.push_back("<h2>TopSites URLs without Thumbnails</h2>\n"); | 162 out.push_back("<h2>TopSites URLs without Thumbnails</h2>\n"); |
160 RenderMostVisitedURLList(mvurl_list, base64_encoded_pngs, false, &out); | 163 RenderMostVisitedURLList(mvurl_list, base64_encoded_pngs, false, &out); |
161 } | 164 } |
162 out.push_back(kHtmlFooter); | 165 out.push_back(kHtmlFooter); |
163 | 166 |
164 std::string out_html = JoinString(out, ""); | 167 std::string out_html = JoinString(out, ""); |
165 callback.Run(base::RefCountedString::TakeString(&out_html)); | 168 callback.Run(base::RefCountedString::TakeString(&out_html)); |
166 } | 169 } |
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