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
|
// Copyright 2015 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 "components/favicon/content/content_favicon_driver.h"
#include "base/bind.h"
#include "components/favicon/content/favicon_url_util.h"
#include "components/favicon/core/favicon_service.h"
#include "components/favicon/core/favicon_url.h"
#include "components/history/core/browser/history_service.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/favicon_status.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/common/favicon_url.h"
#include "ui/gfx/image/image.h"
DEFINE_WEB_CONTENTS_USER_DATA_KEY(favicon::ContentFaviconDriver);
namespace favicon {
// static
void ContentFaviconDriver::CreateForWebContents(
content::WebContents* web_contents,
FaviconService* favicon_service,
history::HistoryService* history_service,
bookmarks::BookmarkModel* bookmark_model) {
if (FromWebContents(web_contents))
return;
web_contents->SetUserData(
UserDataKey(), new ContentFaviconDriver(web_contents, favicon_service,
history_service, bookmark_model));
}
void ContentFaviconDriver::SaveFavicon() {
content::NavigationEntry* entry =
web_contents()->GetController().GetLastCommittedEntry();
if (!entry)
return;
// Make sure the page is in history, otherwise adding the favicon does
// nothing.
if (!history_service())
return;
GURL page_url = entry->GetURL();
history_service()->AddPageNoVisitForBookmark(page_url, entry->GetTitle());
const content::FaviconStatus& favicon_status = entry->GetFavicon();
if (!favicon_service() || !favicon_status.valid ||
favicon_status.url.is_empty() || favicon_status.image.IsEmpty()) {
return;
}
favicon_service()->SetFavicons(page_url, favicon_status.url,
favicon_base::FAVICON, favicon_status.image);
}
gfx::Image ContentFaviconDriver::GetFavicon() const {
// Like GetTitle(), we also want to use the favicon for the last committed
// entry rather than a pending navigation entry.
const content::NavigationController& controller =
web_contents()->GetController();
content::NavigationEntry* entry = controller.GetTransientEntry();
if (entry)
return entry->GetFavicon().image;
entry = controller.GetLastCommittedEntry();
if (entry)
return entry->GetFavicon().image;
return gfx::Image();
}
bool ContentFaviconDriver::FaviconIsValid() const {
const content::NavigationController& controller =
web_contents()->GetController();
content::NavigationEntry* entry = controller.GetTransientEntry();
if (entry)
return entry->GetFavicon().valid;
entry = controller.GetLastCommittedEntry();
if (entry)
return entry->GetFavicon().valid;
return false;
}
int ContentFaviconDriver::StartDownload(const GURL& url, int max_image_size) {
if (WasUnableToDownloadFavicon(url)) {
DVLOG(1) << "Skip Failed FavIcon: " << url;
return 0;
}
bool bypass_cache = (bypass_cache_page_url_ == GetActiveURL());
bypass_cache_page_url_ = GURL();
return web_contents()->DownloadImage(
url, true, max_image_size, bypass_cache,
base::Bind(&FaviconDriverImpl::DidDownloadFavicon,
base::Unretained(this)));
}
bool ContentFaviconDriver::IsOffTheRecord() {
DCHECK(web_contents());
return web_contents()->GetBrowserContext()->IsOffTheRecord();
}
GURL ContentFaviconDriver::GetActiveURL() {
content::NavigationEntry* entry =
web_contents()->GetController().GetLastCommittedEntry();
return entry ? entry->GetURL() : GURL();
}
bool ContentFaviconDriver::GetActiveFaviconValidity() {
return GetFaviconStatus().valid;
}
void ContentFaviconDriver::SetActiveFaviconValidity(bool valid) {
GetFaviconStatus().valid = valid;
}
GURL ContentFaviconDriver::GetActiveFaviconURL() {
return GetFaviconStatus().url;
}
void ContentFaviconDriver::SetActiveFaviconURL(const GURL& url) {
GetFaviconStatus().url = url;
}
void ContentFaviconDriver::SetActiveFaviconImage(const gfx::Image& image) {
GetFaviconStatus().image = image;
}
content::FaviconStatus& ContentFaviconDriver::GetFaviconStatus() {
DCHECK(web_contents()->GetController().GetLastCommittedEntry());
return web_contents()->GetController().GetLastCommittedEntry()->GetFavicon();
}
ContentFaviconDriver::ContentFaviconDriver(
content::WebContents* web_contents,
FaviconService* favicon_service,
history::HistoryService* history_service,
bookmarks::BookmarkModel* bookmark_model)
: content::WebContentsObserver(web_contents),
FaviconDriverImpl(favicon_service, history_service, bookmark_model) {
}
ContentFaviconDriver::~ContentFaviconDriver() {
}
void ContentFaviconDriver::NotifyFaviconUpdated(bool icon_url_changed) {
FaviconDriverImpl::NotifyFaviconUpdated(icon_url_changed);
web_contents()->NotifyNavigationStateChanged(content::INVALIDATE_TYPE_TAB);
}
void ContentFaviconDriver::DidUpdateFaviconURL(
const std::vector<content::FaviconURL>& candidates) {
DCHECK(!candidates.empty());
// Ignore the update if there is no last committed navigation entry. This can
// occur when loading an initially blank page.
content::NavigationEntry* entry =
web_contents()->GetController().GetLastCommittedEntry();
if (!entry)
return;
favicon_urls_ = candidates;
OnUpdateFaviconURL(entry->GetURL(),
FaviconURLsFromContentFaviconURLs(candidates));
}
void ContentFaviconDriver::DidStartNavigationToPendingEntry(
const GURL& url,
content::NavigationController::ReloadType reload_type) {
if (reload_type == content::NavigationController::NO_RELOAD ||
IsOffTheRecord())
return;
bypass_cache_page_url_ = url;
SetFaviconOutOfDateForPage(
url, reload_type == content::NavigationController::RELOAD_IGNORING_CACHE);
}
void ContentFaviconDriver::DidNavigateMainFrame(
const content::LoadCommittedDetails& details,
const content::FrameNavigateParams& params) {
favicon_urls_.clear();
// Wait till the user navigates to a new URL to start checking the cache
// again. The cache may be ignored for non-reload navigations (e.g.
// history.replace() in-page navigation). This is allowed to increase the
// likelihood that "reloading a page ignoring the cache" redownloads the
// favicon. In particular, a page may do an in-page navigation before
// FaviconHandler has the time to determine that the favicon needs to be
// redownloaded.
GURL url = details.entry->GetURL();
if (url != bypass_cache_page_url_)
bypass_cache_page_url_ = GURL();
// Get the favicon, either from history or request it from the net.
FetchFavicon(url);
}
} // namespace favicon
|
