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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/chromeos/ui/screensaver_extension_dialog.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "base/logging.h" | |
9 #include "base/memory/ref_counted.h" | |
10 #include "chrome/browser/extensions/extension_service.h" | |
11 #include "chrome/browser/profiles/profile.h" | |
12 #include "chrome/browser/profiles/profile_manager.h" | |
13 #include "chrome/browser/sessions/restore_tab_helper.h" | |
14 #include "chrome/browser/ui/views/extensions/extension_dialog.h" | |
15 #include "chrome/common/chrome_switches.h" | |
16 #include "chrome/common/extensions/extension.h" | |
17 #include "chrome/common/extensions/extension_file_util.h" | |
18 | |
19 using content::BrowserThread; | |
20 | |
21 namespace { | |
22 | |
23 ScreensaverExtensionDialog* g_instance = NULL; | |
24 | |
25 } // namespace | |
26 | |
27 namespace browser { | |
28 | |
29 void ShowScreensaverDialog() { | |
30 ScreensaverExtensionDialog::ShowScreensaverDialog(); | |
31 } | |
32 | |
33 void CloseScreensaverDialog() { | |
34 ScreensaverExtensionDialog::CloseScreensaverDialog(); | |
35 } | |
36 | |
37 } // namespace browser | |
38 | |
39 // static | |
40 void ScreensaverExtensionDialog::ShowScreensaverDialog() { | |
41 if (!g_instance) | |
42 g_instance = new ScreensaverExtensionDialog(); | |
43 g_instance->Show(); | |
44 } | |
45 | |
46 // static | |
47 void ScreensaverExtensionDialog::CloseScreensaverDialog() { | |
48 if (g_instance) | |
49 g_instance->Close(); | |
50 } | |
51 | |
52 ScreensaverExtensionDialog::ScreensaverExtensionDialog() | |
53 : screensaver_extension_(NULL), loading_extension_(false) { | |
sky
2012/02/27 15:52:43
nit: when you wrap, each param on its own line.
rkc
2012/02/27 22:24:43
Done.
| |
54 } | |
55 | |
56 void ScreensaverExtensionDialog::LoadExtension() { | |
57 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | |
58 std::string error; | |
59 std::string extension_path = CommandLine::ForCurrentProcess()-> | |
60 GetSwitchValueASCII(switches::kKioskModeScreensaverPath); | |
61 | |
62 scoped_refptr<Extension> screensaver_extension = | |
63 extension_file_util::LoadExtension( | |
64 FilePath(extension_path), | |
65 Extension::COMPONENT, | |
66 Extension::NO_FLAGS, | |
67 &error); | |
68 | |
69 if (!screensaver_extension) { | |
70 LOG(ERROR) << "Could not load screensaver extension from: " << | |
71 extension_path; | |
72 return; | |
73 } | |
74 | |
75 BrowserThread::PostTask(BrowserThread::UI, | |
76 FROM_HERE, | |
77 base::Bind( | |
78 &ScreensaverExtensionDialog::SetExtensionAndShow, | |
79 base::Unretained(this), | |
80 screensaver_extension)); | |
81 } | |
82 | |
83 void ScreensaverExtensionDialog::SetExtensionAndShow( | |
84 scoped_refptr<Extension> extension) { | |
85 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
86 screensaver_extension_ = extension; | |
87 loading_extension_ = false; | |
88 Show(); | |
89 } | |
90 | |
91 void ScreensaverExtensionDialog::Show() { | |
92 // Whenever we're loading the extension, Show() will | |
93 // be called after the load finishes, so return. | |
94 if (loading_extension_) return; | |
sky
2012/02/27 15:52:43
Don't use single line ifs.
rkc
2012/02/27 22:24:43
Done.
| |
95 | |
96 if (!screensaver_extension_) { | |
97 loading_extension_ = true; | |
98 BrowserThread::PostTask(BrowserThread::FILE, | |
99 FROM_HERE, | |
100 base::Bind( | |
101 &ScreensaverExtensionDialog::LoadExtension, | |
102 base::Unretained(this))); | |
103 return; | |
104 } | |
105 | |
106 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
107 Profile* default_profile = ProfileManager::GetDefaultProfile(); | |
108 if (default_profile->GetExtensionService()->AddExtension( | |
109 screensaver_extension_)) { | |
110 extension_dialog_ = ExtensionDialog::ShowFullscreen( | |
111 screensaver_extension_->GetFullLaunchURL(), | |
112 default_profile, | |
113 string16(), | |
114 this); | |
115 } else { | |
116 LOG(ERROR) << "Couldn't add screensaver extension to profile."; | |
117 } | |
118 } | |
119 | |
120 void ScreensaverExtensionDialog::Close() { | |
121 if (extension_dialog_) { | |
sky
2012/02/27 15:52:43
Is it possible for close to be invoked while you'r
rkc
2012/02/27 22:24:43
Yep, but in that case extension_dialog will be nul
| |
122 extension_dialog_->Close(); | |
123 extension_dialog_ = NULL; | |
124 } | |
125 } | |
126 | |
127 ScreensaverExtensionDialog::~ScreensaverExtensionDialog() { | |
128 if (extension_dialog_) | |
129 extension_dialog_->ObserverDestroyed(); | |
130 } | |
131 | |
132 void ScreensaverExtensionDialog::ExtensionDialogClosing( | |
133 ExtensionDialog* dialog) { | |
134 // Release our reference to the dialog to allow it to close. | |
135 extension_dialog_ = NULL; | |
136 } | |
137 | |
138 void ScreensaverExtensionDialog::ExtensionTerminated( | |
139 ExtensionDialog* dialog) { | |
140 MessageLoop::current()->PostTask(FROM_HERE, | |
sky
2012/02/27 15:52:43
Add comment as to why you need to delay this.
rkc
2012/02/27 22:24:43
Done.
| |
141 base::Bind(&ScreensaverExtensionDialog::ReloadAndShow, | |
142 base::Unretained(this))); | |
143 dialog->Close(); | |
144 } | |
145 | |
146 void ScreensaverExtensionDialog::ReloadAndShow() { | |
147 ProfileManager::GetDefaultProfile()->GetExtensionService()->ReloadExtension( | |
148 screensaver_extension_->id()); | |
149 | |
150 Show(); | |
151 } | |
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