1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/extensions/extension_infobar_delegate.h"
6
7 #include "chrome/browser/chrome_notification_types.h"
8 #include "chrome/browser/extensions/extension_view_host.h"
9 #include "chrome/browser/extensions/extension_view_host_factory.h"
10 #include "chrome/browser/infobars/infobar_service.h"
11 #include "chrome/browser/profiles/profile.h"
12 #include "chrome/browser/ui/browser.h"
13 #include "components/infobars/core/infobar.h"
14 #include "content/public/browser/notification_details.h"
15 #include "content/public/browser/notification_source.h"
16 #include "extensions/browser/extension_registry.h"
17 #include "extensions/common/extension.h"
18
~ExtensionInfoBarDelegate()19 ExtensionInfoBarDelegate::~ExtensionInfoBarDelegate() {
20 }
21
22 // static
Create(content::WebContents * web_contents,Browser * browser,const extensions::Extension * extension,const GURL & url,int height)23 void ExtensionInfoBarDelegate::Create(content::WebContents* web_contents,
24 Browser* browser,
25 const extensions::Extension* extension,
26 const GURL& url,
27 int height) {
28 InfoBarService::FromWebContents(web_contents)->AddInfoBar(
29 ExtensionInfoBarDelegate::CreateInfoBar(
30 scoped_ptr<ExtensionInfoBarDelegate>(new ExtensionInfoBarDelegate(
31 browser, extension, url, web_contents, height))));
32 }
33
ExtensionInfoBarDelegate(Browser * browser,const extensions::Extension * extension,const GURL & url,content::WebContents * web_contents,int height)34 ExtensionInfoBarDelegate::ExtensionInfoBarDelegate(
35 Browser* browser,
36 const extensions::Extension* extension,
37 const GURL& url,
38 content::WebContents* web_contents,
39 int height)
40 : infobars::InfoBarDelegate(),
41 #if defined(TOOLKIT_VIEWS)
42 browser_(browser),
43 #endif
44 extension_(extension),
45 extension_registry_observer_(this),
46 closing_(false) {
47 extension_view_host_.reset(
48 extensions::ExtensionViewHostFactory::CreateInfobarHost(url, browser));
49 extension_view_host_->SetAssociatedWebContents(web_contents);
50
51 extension_registry_observer_.Add(
52 extensions::ExtensionRegistry::Get(browser->profile()));
53 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE,
54 content::Source<Profile>(browser->profile()));
55
56 height_ = std::max(0, height);
57 height_ = std::min(2 * infobars::InfoBar::kDefaultBarTargetHeight, height_);
58 if (height_ == 0)
59 height_ = infobars::InfoBar::kDefaultBarTargetHeight;
60 }
61
GetWebContents()62 content::WebContents* ExtensionInfoBarDelegate::GetWebContents() {
63 return InfoBarService::WebContentsFromInfoBar(infobar());
64 }
65
66 // ExtensionInfoBarDelegate::CreateInfoBar() is implemented in platform-specific
67 // files.
68
EqualsDelegate(infobars::InfoBarDelegate * delegate) const69 bool ExtensionInfoBarDelegate::EqualsDelegate(
70 infobars::InfoBarDelegate* delegate) const {
71 ExtensionInfoBarDelegate* extension_delegate =
72 delegate->AsExtensionInfoBarDelegate();
73 // When an extension crashes, an InfoBar is shown (for the crashed extension).
74 // That will result in a call to this function (to see if this InfoBarDelegate
75 // is already showing the 'extension crashed InfoBar', which it never is), but
76 // if it is our extension that crashes, the extension delegate is NULL so
77 // we cannot check.
78 if (!extension_delegate)
79 return false;
80
81 // Only allow one InfoBar at a time per extension.
82 return extension_delegate->extension_view_host()->extension() ==
83 extension_view_host_->extension();
84 }
85
InfoBarDismissed()86 void ExtensionInfoBarDelegate::InfoBarDismissed() {
87 closing_ = true;
88 }
89
GetInfoBarType() const90 infobars::InfoBarDelegate::Type ExtensionInfoBarDelegate::GetInfoBarType()
91 const {
92 return PAGE_ACTION_TYPE;
93 }
94
95 ExtensionInfoBarDelegate*
AsExtensionInfoBarDelegate()96 ExtensionInfoBarDelegate::AsExtensionInfoBarDelegate() {
97 return this;
98 }
99
OnExtensionUnloaded(content::BrowserContext * browser_context,const extensions::Extension * extension,extensions::UnloadedExtensionInfo::Reason reason)100 void ExtensionInfoBarDelegate::OnExtensionUnloaded(
101 content::BrowserContext* browser_context,
102 const extensions::Extension* extension,
103 extensions::UnloadedExtensionInfo::Reason reason) {
104 if (extension_ == extension)
105 infobar()->RemoveSelf();
106 }
107
Observe(int type,const content::NotificationSource & source,const content::NotificationDetails & details)108 void ExtensionInfoBarDelegate::Observe(
109 int type,
110 const content::NotificationSource& source,
111 const content::NotificationDetails& details) {
112 DCHECK_EQ(type, chrome::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE);
113 if (extension_view_host_.get() ==
114 content::Details<extensions::ExtensionHost>(details).ptr())
115 infobar()->RemoveSelf();
116 }
117