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
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
// Copyright (c) 2012 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/ui/tab_contents/tab_contents_wrapper.h"
#include "base/command_line.h"
#include "base/lazy_instance.h"
#include "chrome/browser/autocomplete_history_manager.h"
#include "chrome/browser/autofill/autofill_external_delegate.h"
#include "chrome/browser/autofill/autofill_manager.h"
#include "chrome/browser/automation/automation_tab_helper.h"
#include "chrome/browser/content_settings/tab_specific_content_settings.h"
#include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
#include "chrome/browser/extensions/extension_tab_helper.h"
#include "chrome/browser/external_protocol/external_protocol_observer.h"
#include "chrome/browser/favicon/favicon_tab_helper.h"
#include "chrome/browser/history/history_tab_helper.h"
#include "chrome/browser/infobars/infobar_tab_helper.h"
#include "chrome/browser/omnibox_search_hint.h"
#include "chrome/browser/password_manager/password_manager.h"
#include "chrome/browser/password_manager/password_manager_delegate_impl.h"
#include "chrome/browser/plugin_observer.h"
#include "chrome/browser/prerender/prerender_tab_helper.h"
#include "chrome/browser/printing/print_preview_message_handler.h"
#include "chrome/browser/printing/print_view_manager.h"
#include "chrome/browser/safe_browsing/safe_browsing_tab_observer.h"
#include "chrome/browser/sessions/restore_tab_helper.h"
#include "chrome/browser/tab_contents/tab_contents_ssl_helper.h"
#include "chrome/browser/tab_contents/thumbnail_generator.h"
#include "chrome/browser/translate/translate_tab_helper.h"
#include "chrome/browser/ui/alternate_error_tab_observer.h"
#include "chrome/browser/ui/blocked_content/blocked_content_tab_helper.h"
#include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
#include "chrome/browser/ui/constrained_window_tab_helper.h"
#include "chrome/browser/ui/find_bar/find_tab_helper.h"
#include "chrome/browser/ui/hung_plugin_tab_helper.h"
#include "chrome/browser/ui/intents/web_intent_picker_controller.h"
#include "chrome/browser/ui/pdf/pdf_tab_observer.h"
#include "chrome/browser/ui/prefs/prefs_tab_helper.h"
#include "chrome/browser/ui/sad_tab_helper.h"
#include "chrome/browser/ui/search_engines/search_engine_tab_helper.h"
#include "chrome/browser/ui/snapshot_tab_helper.h"
#include "chrome/browser/ui/sync/one_click_signin_helper.h"
#include "chrome/browser/ui/sync/tab_contents_wrapper_synced_tab_delegate.h"
#include "chrome/browser/ui/tab_contents/core_tab_helper.h"
#include "chrome/browser/ui/zoom/zoom_controller.h"
#include "chrome/browser/view_type_utils.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/thumbnail_support.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/web_contents.h"
#if defined(OS_WIN)
#include "base/win/metro.h"
#endif
using content::WebContents;
namespace {
static base::LazyInstance<base::PropertyAccessor<TabContentsWrapper*> >
g_tab_contents_wrapper_property_accessor = LAZY_INSTANCE_INITIALIZER;
} // namespace
////////////////////////////////////////////////////////////////////////////////
// TabContentsWrapper, public:
TabContentsWrapper::TabContentsWrapper(WebContents* contents)
: content::WebContentsObserver(contents),
in_destructor_(false),
web_contents_(contents) {
DCHECK(contents);
DCHECK(!GetCurrentWrapperForContents(contents));
chrome::SetViewType(contents, chrome::VIEW_TYPE_TAB_CONTENTS);
// Stash this in the property bag so it can be retrieved without having to
// go to a Browser.
property_accessor()->SetProperty(contents->GetPropertyBag(), this);
// Create the tab helpers.
autocomplete_history_manager_.reset(new AutocompleteHistoryManager(contents));
autofill_manager_ = new AutofillManager(this);
if (CommandLine::ForCurrentProcess()->HasSwitch(
switches::kExternalAutofillPopup)) {
autofill_external_delegate_.reset(
AutofillExternalDelegate::Create(this, autofill_manager_.get()));
autofill_manager_->SetExternalDelegate(autofill_external_delegate_.get());
autocomplete_history_manager_->SetExternalDelegate(
autofill_external_delegate_.get());
}
#if defined(ENABLE_AUTOMATION)
automation_tab_helper_.reset(new AutomationTabHelper(contents));
#endif
blocked_content_tab_helper_.reset(new BlockedContentTabHelper(this));
bookmark_tab_helper_.reset(new BookmarkTabHelper(this));
constrained_window_tab_helper_.reset(new ConstrainedWindowTabHelper(this));
core_tab_helper_.reset(new CoreTabHelper(contents));
extension_tab_helper_.reset(new ExtensionTabHelper(this));
favicon_tab_helper_.reset(new FaviconTabHelper(contents));
find_tab_helper_.reset(new FindTabHelper(contents));
history_tab_helper_.reset(new HistoryTabHelper(contents));
hung_plugin_tab_helper_.reset(new HungPluginTabHelper(contents));
infobar_tab_helper_.reset(new InfoBarTabHelper(contents));
password_manager_delegate_.reset(new PasswordManagerDelegateImpl(this));
password_manager_.reset(
new PasswordManager(contents, password_manager_delegate_.get()));
prefs_tab_helper_.reset(new PrefsTabHelper(contents));
prerender_tab_helper_.reset(new prerender::PrerenderTabHelper(this));
restore_tab_helper_.reset(new RestoreTabHelper(contents));
search_engine_tab_helper_.reset(new SearchEngineTabHelper(contents));
snapshot_tab_helper_.reset(new SnapshotTabHelper(contents));
ssl_helper_.reset(new TabContentsSSLHelper(this));
synced_tab_delegate_.reset(new TabContentsWrapperSyncedTabDelegate(this));
content_settings_.reset(new TabSpecificContentSettings(contents));
translate_tab_helper_.reset(new TranslateTabHelper(contents));
web_intent_picker_controller_.reset(new WebIntentPickerController(this));
zoom_controller_.reset(new ZoomController(this));
#if !defined(OS_ANDROID)
print_view_manager_.reset(new printing::PrintViewManager(this));
sad_tab_helper_.reset(new SadTabHelper(contents));
#endif
// Create the per-tab observers.
alternate_error_page_tab_observer_.reset(
new AlternateErrorPageTabObserver(contents, profile()));
webnavigation_observer_.reset(
new extensions::WebNavigationTabObserver(contents));
external_protocol_observer_.reset(new ExternalProtocolObserver(contents));
pdf_tab_observer_.reset(new PDFTabObserver(this));
safe_browsing_tab_observer_.reset(
new safe_browsing::SafeBrowsingTabObserver(this));
#if defined(OS_WIN)
// Metro mode Chrome on Windows does not support plugins. Avoid registering
// the PluginObserver so we don't popup plugin-related infobars.
if (!base::win::GetMetroModule())
plugin_observer_.reset(new PluginObserver(this));
#else
plugin_observer_.reset(new PluginObserver(this));
#endif
#if !defined(OS_ANDROID)
if (OmniboxSearchHint::IsEnabled(profile()))
omnibox_search_hint_.reset(new OmniboxSearchHint(this));
print_preview_.reset(new printing::PrintPreviewMessageHandler(contents));
#endif
// Start the in-browser thumbnailing if the feature is enabled.
if (ShouldEnableInBrowserThumbnailing()) {
thumbnail_generator_.reset(new ThumbnailGenerator);
thumbnail_generator_->StartThumbnailing(web_contents_.get());
}
// If this is not an incognito window, setup to handle one-click login.
// We don't want to check that the profile is already connected at this time
// because the connected state may change while this tab is open. Having a
// one-click signin helper attached does not cause problems if the profile
// happens to be already connected.
#if defined(ENABLE_ONE_CLICK_SIGNIN)
if (OneClickSigninHelper::CanOffer(contents, false))
one_click_signin_helper_.reset(new OneClickSigninHelper(contents));
#endif
}
TabContentsWrapper::~TabContentsWrapper() {
in_destructor_ = true;
// Need to reset |thumbnail_generator_| here before |web_contents_| is
// deleted because destructing |web_contents_| can end up causing the
// thumbnailer to generate a thumbnail. Since TabContentsWrapper can be
// destructed during shutdown, trying to generate a thumbnail by sending an
// IPC message to the GPU process is not safe. Sending
// chrome::NOTIFICATION_TAB_CONTENTS_DESTROYED can also cause the thumbnailer
// to generate a thumbnail, so this must be placed before sending the
// notification.
thumbnail_generator_.reset();
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_TAB_CONTENTS_DESTROYED,
content::Source<TabContentsWrapper>(this),
content::NotificationService::NoDetails());
// Need to tear down infobars before the WebContents goes away.
// TODO(avi): Can we get this handled by the tab helper itself?
infobar_tab_helper_.reset();
}
base::PropertyAccessor<TabContentsWrapper*>*
TabContentsWrapper::property_accessor() {
return g_tab_contents_wrapper_property_accessor.Pointer();
}
TabContentsWrapper* TabContentsWrapper::Clone() {
WebContents* new_contents = web_contents()->Clone();
TabContentsWrapper* new_wrapper = new TabContentsWrapper(new_contents);
// TODO(avi): Can we generalize this so that knowledge of the functionings of
// the tab helpers isn't required here?
new_wrapper->extension_tab_helper()->CopyStateFrom(
*extension_tab_helper_.get());
return new_wrapper;
}
// static
TabContentsWrapper* TabContentsWrapper::GetCurrentWrapperForContents(
WebContents* contents) {
TabContentsWrapper** wrapper =
property_accessor()->GetProperty(contents->GetPropertyBag());
return wrapper ? *wrapper : NULL;
}
// static
const TabContentsWrapper* TabContentsWrapper::GetCurrentWrapperForContents(
const WebContents* contents) {
TabContentsWrapper* const* wrapper =
property_accessor()->GetProperty(contents->GetPropertyBag());
return wrapper ? *wrapper : NULL;
}
WebContents* TabContentsWrapper::web_contents() const {
return web_contents_.get();
}
Profile* TabContentsWrapper::profile() const {
return Profile::FromBrowserContext(web_contents()->GetBrowserContext());
}
////////////////////////////////////////////////////////////////////////////////
// WebContentsObserver overrides
void TabContentsWrapper::WebContentsDestroyed(WebContents* tab) {
// Destruction of the WebContents should only be done by us from our
// destructor. Otherwise it's very likely we (or one of the helpers we own)
// will attempt to access the WebContents and we'll crash.
DCHECK(in_destructor_);
}
|
