chrome/renderer/notification_provider.cc


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

// Copyright (c) 2009 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/renderer/notification_provider.h"

#include "base/task.h"
#include "chrome/common/render_messages.h"
#include "chrome/renderer/render_thread.h"
#include "chrome/renderer/render_view.h"
#include "webkit/api/public/WebFrame.h"
#include "webkit/api/public/WebNotificationPermissionCallback.h"

using WebKit::WebNotification;
using WebKit::WebNotificationPresenter;
using WebKit::WebNotificationPermissionCallback;
using WebKit::WebString;

NotificationProvider::NotificationProvider(RenderView* view)
    : view_(view) {
}

bool NotificationProvider::show(const WebNotification& notification) {
  int notification_id = manager_.RegisterNotification(notification);
  if (notification.isHTML())
    return ShowHTML(notification, notification_id);
  else
    return ShowText(notification, notification_id);
}

void NotificationProvider::cancel(const WebNotification& notification) {
  int id;
  bool id_found = manager_.GetId(notification, id);
  // Won't be found if the notification has already been closed by the user.
  if (id_found)
    Send(new ViewHostMsg_CancelDesktopNotification(view_->routing_id(), id));
}

void NotificationProvider::objectDestroyed(
    const WebNotification& notification) {
  int id;
  bool id_found = manager_.GetId(notification, id);
  // Won't be found if the notification has already been closed by the user.
  if (id_found)
    manager_.UnregisterNotification(id);
}

WebNotificationPresenter::Permission NotificationProvider::checkPermission(
    const WebString& origin) {
  int permission;
  Send(new ViewHostMsg_CheckNotificationPermission(view_->routing_id(),
                                                   GURL(origin), &permission));
  return static_cast<WebNotificationPresenter::Permission>(permission);
}

void NotificationProvider::requestPermission(
    const WebString& origin, WebNotificationPermissionCallback* callback) {
  int id = manager_.RegisterPermissionRequest(callback);

  Send(new ViewHostMsg_RequestNotificationPermission(view_->routing_id(),
                                                     GURL(origin), id));
}

bool NotificationProvider::OnMessageReceived(const IPC::Message& message) {
  bool handled = true;
  IPC_BEGIN_MESSAGE_MAP(NotificationProvider, message)
    IPC_MESSAGE_HANDLER(ViewMsg_PostDisplayToNotificationObject, OnDisplay);
    IPC_MESSAGE_HANDLER(ViewMsg_PostErrorToNotificationObject, OnError);
    IPC_MESSAGE_HANDLER(ViewMsg_PostCloseToNotificationObject, OnClose);
    IPC_MESSAGE_HANDLER(ViewMsg_PermissionRequestDone,
                        OnPermissionRequestComplete);
    IPC_MESSAGE_UNHANDLED(handled = false)
  IPC_END_MESSAGE_MAP()
  return handled;
}

bool NotificationProvider::ShowHTML(const WebNotification& notification,
                                    int id) {
  DCHECK(notification.isHTML());
  return Send(new ViewHostMsg_ShowDesktopNotification(view_->routing_id(),
              GURL(view_->webview()->mainFrame()->url()).GetOrigin(),
              notification.url(), id));
}

bool NotificationProvider::ShowText(const WebNotification& notification,
                                    int id) {
  DCHECK(!notification.isHTML());
  return Send(new ViewHostMsg_ShowDesktopNotificationText(view_->routing_id(),
              GURL(view_->webview()->mainFrame()->url()).GetOrigin(),
              GURL(notification.icon()),
              notification.title(), notification.body(), id));
}

void NotificationProvider::OnDisplay(int id) {
  WebNotification notification;
  bool found = manager_.GetNotification(id, &notification);
  // |found| may be false if the WebNotification went out of scope in
  // the page before it was actually displayed to the user.
  if (found)
    notification.dispatchDisplayEvent();
}

void NotificationProvider::OnError(int id, const WebString& message) {
  WebNotification notification;
  bool found = manager_.GetNotification(id, &notification);
  // |found| may be false if the WebNotification went out of scope in
  // the page before the error occurred.
  if (found)
    notification.dispatchErrorEvent(message);
}

void NotificationProvider::OnClose(int id, bool by_user) {
  WebNotification notification;
  bool found = manager_.GetNotification(id, &notification);
  // |found| may be false if the WebNotification went out of scope in
  // the page before the associated toast was closed by the user.
  if (found)
    notification.dispatchCloseEvent(by_user);
  manager_.UnregisterNotification(id);
}

void NotificationProvider::OnPermissionRequestComplete(int id) {
  WebNotificationPermissionCallback* callback = manager_.GetCallback(id);
  DCHECK(callback);
  callback->permissionRequestComplete();
  manager_.OnPermissionRequestComplete(id);
}

bool NotificationProvider::Send(IPC::Message* message) {
  return RenderThread::current()->Send(message);
}