Upstream version 7.36.149.0
[platform/framework/web/crosswalk.git] / src / chrome / browser / status_icons / desktop_notification_balloon.cc
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/status_icons/desktop_notification_balloon.h"
6
7 #include "base/bind.h"
8 #include "base/strings/string_number_conversions.h"
9 #include "base/threading/thread_restrictions.h"
10 #include "chrome/browser/browser_process.h"
11 #include "chrome/browser/notifications/desktop_notification_service.h"
12 #include "chrome/browser/notifications/notification.h"
13 #include "chrome/browser/notifications/notification_delegate.h"
14 #include "chrome/browser/notifications/notification_ui_manager.h"
15 #include "chrome/browser/profiles/profile_manager.h"
16 #include "third_party/skia/include/core/SkBitmap.h"
17 #include "ui/gfx/image/image_skia.h"
18
19 namespace {
20
21 void CloseBalloon(const std::string& id) {
22   // The browser process may have gone away during shutting down, in this case
23   // notification_ui_manager() will close the balloon in its destructor.
24   if (!g_browser_process)
25     return;
26
27   g_browser_process->notification_ui_manager()->CancelById(id);
28 }
29
30 // Prefix added to the notification ids.
31 const char kNotificationPrefix[] = "desktop_notification_balloon.";
32
33 // Timeout for automatically dismissing the notification balloon.
34 const size_t kTimeoutSeconds = 6;
35
36 class DummyNotificationDelegate : public NotificationDelegate {
37  public:
38   explicit DummyNotificationDelegate(const std::string& id)
39       : id_(kNotificationPrefix + id) {}
40
41   virtual void Display() OVERRIDE {
42     base::MessageLoop::current()->PostDelayedTask(
43         FROM_HERE,
44         base::Bind(&CloseBalloon, id()),
45         base::TimeDelta::FromSeconds(kTimeoutSeconds));
46   }
47   virtual void Error() OVERRIDE {}
48   virtual void Close(bool by_user) OVERRIDE {}
49   virtual void Click() OVERRIDE {}
50   virtual std::string id() const OVERRIDE { return id_; }
51   virtual content::WebContents* GetWebContents() const OVERRIDE {
52     return NULL;
53   }
54
55  private:
56   virtual ~DummyNotificationDelegate() {}
57
58   std::string id_;
59 };
60
61 }  // anonymous namespace
62
63 int DesktopNotificationBalloon::id_count_ = 1;
64
65 DesktopNotificationBalloon::DesktopNotificationBalloon() {
66 }
67
68 DesktopNotificationBalloon::~DesktopNotificationBalloon() {
69   if (!notification_id_.empty())
70     CloseBalloon(notification_id_);
71 }
72
73 void DesktopNotificationBalloon::DisplayBalloon(
74     const gfx::ImageSkia& icon,
75     const base::string16& title,
76     const base::string16& contents) {
77   // Allowing IO access is required here to cover the corner case where
78   // there is no last used profile and the default one is loaded.
79   // IO access won't be required for normal uses.
80   Profile* profile;
81   {
82     base::ThreadRestrictions::ScopedAllowIO allow_io;
83     profile = ProfileManager::GetLastUsedProfile();
84   }
85   notification_id_ = DesktopNotificationService::AddIconNotification(
86       GURL(), title, contents, gfx::Image(icon), base::string16(),
87       new DummyNotificationDelegate(base::IntToString(id_count_++)), profile);
88 }