content/renderer/notification_provider.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 "content/renderer/notification_provider.h"
   6
   7 #include "base/strings/string_util.h"
   8 #include "content/common/desktop_notification_messages.h"
   9 #include "content/common/view_messages.h"
  10 #include "content/renderer/render_view_impl.h"
  11 #include "third_party/WebKit/public/platform/WebURL.h"
  12 #include "third_party/WebKit/public/web/WebDocument.h"
  13 #include "third_party/WebKit/public/web/WebFrame.h"
  14 #include "third_party/WebKit/public/web/WebNotificationPermissionCallback.h"
  15 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
  16 #include "third_party/WebKit/public/web/WebView.h"
  17
  18 using blink::WebDocument;
  19 using blink::WebNotification;
  20 using blink::WebNotificationPresenter;
  21 using blink::WebNotificationPermissionCallback;
  22 using blink::WebSecurityOrigin;
  23 using blink::WebString;
  24 using blink::WebURL;
  25 using blink::WebUserGestureIndicator;
  26
  27 namespace content {
  28
  29
  30 NotificationProvider::NotificationProvider(RenderViewImpl* render_view)
  31     : RenderViewObserver(render_view) {
  32 }
  33
  34 NotificationProvider::~NotificationProvider() {
  35 }
  36
  37 bool NotificationProvider::show(const WebNotification& notification) {
  38   WebDocument document = render_view()->GetWebView()->mainFrame()->document();
  39   int notification_id = manager_.RegisterNotification(notification);
  40
  41   ShowDesktopNotificationHostMsgParams params;
  42   params.origin = GURL(document.securityOrigin().toString());
  43   params.icon_url = notification.iconURL();
  44   params.title = notification.title();
  45   params.body = notification.body();
  46   params.direction = notification.direction();
  47   params.notification_id = notification_id;
  48   params.replace_id = notification.replaceId();
  49   return Send(new DesktopNotificationHostMsg_Show(routing_id(), params));
  50 }
  51
  52 void NotificationProvider::cancel(const WebNotification& notification) {
  53   int id;
  54   bool id_found = manager_.GetId(notification, id);
  55   // Won't be found if the notification has already been closed by the user.
  56   if (id_found)
  57     Send(new DesktopNotificationHostMsg_Cancel(routing_id(), id));
  58 }
  59
  60 void NotificationProvider::objectDestroyed(
  61     const WebNotification& notification) {
  62   int id;
  63   bool id_found = manager_.GetId(notification, id);
  64   // Won't be found if the notification has already been closed by the user.
  65   if (id_found)
  66     manager_.UnregisterNotification(id);
  67 }
  68
  69 WebNotificationPresenter::Permission NotificationProvider::checkPermission(
  70     const WebSecurityOrigin& origin) {
  71   int permission;
  72   Send(new DesktopNotificationHostMsg_CheckPermission(
  73           routing_id(),
  74           GURL(origin.toString()),
  75           &permission));
  76   return static_cast<WebNotificationPresenter::Permission>(permission);
  77 }
  78
  79 void NotificationProvider::requestPermission(
  80     const WebSecurityOrigin& origin,
  81     WebNotificationPermissionCallback* callback) {
  82   // We only request permission in response to a user gesture.
  83   if (!WebUserGestureIndicator::isProcessingUserGesture())
  84     return;
  85
  86   int id = manager_.RegisterPermissionRequest(callback);
  87
  88   Send(new DesktopNotificationHostMsg_RequestPermission(
  89       routing_id(), GURL(origin.toString()), id));
  90 }
  91
  92 bool NotificationProvider::OnMessageReceived(const IPC::Message& message) {
  93   bool handled = true;
  94   IPC_BEGIN_MESSAGE_MAP(NotificationProvider, message)
  95     IPC_MESSAGE_HANDLER(DesktopNotificationMsg_PostDisplay, OnDisplay);
  96     IPC_MESSAGE_HANDLER(DesktopNotificationMsg_PostError, OnError);
  97     IPC_MESSAGE_HANDLER(DesktopNotificationMsg_PostClose, OnClose);
  98     IPC_MESSAGE_HANDLER(DesktopNotificationMsg_PostClick, OnClick);
  99     IPC_MESSAGE_HANDLER(DesktopNotificationMsg_PermissionRequestDone,
 100                         OnPermissionRequestComplete);
 101     IPC_MESSAGE_UNHANDLED(handled = false)
 102   IPC_END_MESSAGE_MAP()
 103
 104   if (message.type() == ViewMsg_Navigate::ID)
 105     OnNavigate();  // Don't want to swallow the message.
 106
 107   return handled;
 108 }
 109
 110 void NotificationProvider::OnDisplay(int id) {
 111   WebNotification notification;
 112   bool found = manager_.GetNotification(id, &notification);
 113   // |found| may be false if the WebNotification went out of scope in
 114   // the page before it was actually displayed to the user.
 115   if (found)
 116     notification.dispatchDisplayEvent();
 117 }
 118
 119 void NotificationProvider::OnError(int id, const WebString& message) {
 120   WebNotification notification;
 121   bool found = manager_.GetNotification(id, &notification);
 122   // |found| may be false if the WebNotification went out of scope in
 123   // the page before the error occurred.
 124   if (found)
 125     notification.dispatchErrorEvent(message);
 126 }
 127
 128 void NotificationProvider::OnClose(int id, bool by_user) {
 129   WebNotification notification;
 130   bool found = manager_.GetNotification(id, &notification);
 131   // |found| may be false if the WebNotification went out of scope in
 132   // the page before the associated toast was closed by the user.
 133   if (found) {
 134     notification.dispatchCloseEvent(by_user);
 135     manager_.UnregisterNotification(id);
 136   }
 137 }
 138
 139 void NotificationProvider::OnClick(int id) {
 140   WebNotification notification;
 141   bool found = manager_.GetNotification(id, &notification);
 142   // |found| may be false if the WebNotification went out of scope in
 143   // the page before the associated toast was clicked on.
 144   if (found)
 145     notification.dispatchClickEvent();
 146 }
 147
 148 void NotificationProvider::OnPermissionRequestComplete(int id) {
 149   WebNotificationPermissionCallback* callback = manager_.GetCallback(id);
 150   DCHECK(callback);
 151   callback->permissionRequestComplete();
 152   manager_.OnPermissionRequestComplete(id);
 153 }
 154
 155 void NotificationProvider::OnNavigate() {
 156   manager_.Clear();
 157 }
 158
 159 }  // namespace content