1 // Copyright 2013 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/ui/extensions/extension_installed_bubble.h"
6
7 #include <string>
8
9 #include "base/bind.h"
10 #include "base/message_loop/message_loop.h"
11 #include "base/time/time.h"
12 #include "chrome/browser/chrome_notification_types.h"
13 #include "chrome/browser/profiles/profile.h"
14 #include "chrome/browser/ui/browser.h"
15 #include "chrome/common/extensions/api/extension_action/action_info.h"
16 #include "chrome/common/extensions/api/omnibox/omnibox_handler.h"
17 #include "content/public/browser/notification_details.h"
18 #include "content/public/browser/notification_source.h"
19 #include "extensions/browser/extension_registry.h"
20 #include "extensions/common/extension.h"
21
22 using content::Details;
23 using extensions::Extension;
24
25 namespace {
26
27 // How long to wait for browser action animations to complete before retrying.
28 const int kAnimationWaitMs = 50;
29 // How often we retry when waiting for browser action animation to end.
30 const int kAnimationWaitRetries = 10;
31
32 } // namespace
33
ExtensionInstalledBubble(Delegate * delegate,const Extension * extension,Browser * browser,const SkBitmap & icon)34 ExtensionInstalledBubble::ExtensionInstalledBubble(Delegate* delegate,
35 const Extension* extension,
36 Browser* browser,
37 const SkBitmap& icon)
38 : delegate_(delegate),
39 extension_(extension),
40 browser_(browser),
41 icon_(icon),
42 extension_registry_observer_(this),
43 animation_wait_retries_(0),
44 weak_factory_(this) {
45 if (!extensions::OmniboxInfo::GetKeyword(extension).empty())
46 type_ = OMNIBOX_KEYWORD;
47 else if (extensions::ActionInfo::GetBrowserActionInfo(extension))
48 type_ = BROWSER_ACTION;
49 else if (extensions::ActionInfo::GetPageActionInfo(extension) &&
50 extensions::ActionInfo::IsVerboseInstallMessage(extension))
51 type_ = PAGE_ACTION;
52 else
53 type_ = GENERIC;
54
55 // |extension| has been initialized but not loaded at this point. We need
56 // to wait on showing the Bubble until not only the EXTENSION_LOADED gets
57 // fired, but all of the EXTENSION_LOADED Observers have run. Only then can we
58 // be sure that a BrowserAction or PageAction has had views created which we
59 // can inspect for the purpose of previewing of pointing to them.
60 extension_registry_observer_.Add(
61 extensions::ExtensionRegistry::Get(browser->profile()));
62
63 registrar_.Add(this, chrome::NOTIFICATION_BROWSER_CLOSING,
64 content::Source<Browser>(browser));
65 }
66
~ExtensionInstalledBubble()67 ExtensionInstalledBubble::~ExtensionInstalledBubble() {}
68
IgnoreBrowserClosing()69 void ExtensionInstalledBubble::IgnoreBrowserClosing() {
70 registrar_.Remove(this, chrome::NOTIFICATION_BROWSER_CLOSING,
71 content::Source<Browser>(browser_));
72 }
73
ShowInternal()74 void ExtensionInstalledBubble::ShowInternal() {
75 if (delegate_->MaybeShowNow())
76 return;
77 if (animation_wait_retries_++ < kAnimationWaitRetries) {
78 base::MessageLoopForUI::current()->PostDelayedTask(
79 FROM_HERE,
80 base::Bind(&ExtensionInstalledBubble::ShowInternal,
81 weak_factory_.GetWeakPtr()),
82 base::TimeDelta::FromMilliseconds(kAnimationWaitMs));
83 }
84 }
85
OnExtensionLoaded(content::BrowserContext * browser_context,const extensions::Extension * extension)86 void ExtensionInstalledBubble::OnExtensionLoaded(
87 content::BrowserContext* browser_context,
88 const extensions::Extension* extension) {
89 if (extension == extension_) {
90 animation_wait_retries_ = 0;
91 // PostTask to ourself to allow all EXTENSION_LOADED Observers to run.
92 base::MessageLoopForUI::current()->PostTask(
93 FROM_HERE,
94 base::Bind(&ExtensionInstalledBubble::ShowInternal,
95 weak_factory_.GetWeakPtr()));
96 }
97 }
98
OnExtensionUnloaded(content::BrowserContext * browser_context,const extensions::Extension * extension,extensions::UnloadedExtensionInfo::Reason reason)99 void ExtensionInstalledBubble::OnExtensionUnloaded(
100 content::BrowserContext* browser_context,
101 const extensions::Extension* extension,
102 extensions::UnloadedExtensionInfo::Reason reason) {
103 if (extension == extension_) {
104 // Extension is going away, make sure ShowInternal won't be called.
105 weak_factory_.InvalidateWeakPtrs();
106 extension_ = NULL;
107 }
108 }
109
Observe(int type,const content::NotificationSource & source,const content::NotificationDetails & details)110 void ExtensionInstalledBubble::Observe(
111 int type,
112 const content::NotificationSource& source,
113 const content::NotificationDetails& details) {
114 DCHECK_EQ(type, chrome::NOTIFICATION_BROWSER_CLOSING)
115 << "Received unexpected notification";
116 delete delegate_;
117 }
118