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// 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/string_util.h"
#include "base/task.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/url_constants.h"
#include "chrome/renderer/render_thread.h"
#include "chrome/renderer/render_view.h"
#include "third_party/WebKit/WebKit/chromium/public/WebDocument.h"
#include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/WebKit/chromium/public/WebNotificationPermissionCallback.h"
#include "third_party/WebKit/WebKit/chromium/public/WebURL.h"
using WebKit::WebDocument;
using WebKit::WebNotification;
using WebKit::WebNotificationPresenter;
using WebKit::WebNotificationPermissionCallback;
using WebKit::WebSecurityOrigin;
using WebKit::WebString;
using WebKit::WebURL;
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 WebURL& url) {
int permission;
Send(new ViewHostMsg_CheckNotificationPermission(
view_->routing_id(),
url,
&permission));
return static_cast<WebNotificationPresenter::Permission>(permission);
}
void NotificationProvider::requestPermission(
const WebSecurityOrigin& origin,
WebNotificationPermissionCallback* callback) {
// We only request permission in response to a user gesture.
if (!view_->webview()->mainFrame()->isProcessingUserGesture())
return;
int id = manager_.RegisterPermissionRequest(callback);
Send(new ViewHostMsg_RequestNotificationPermission(view_->routing_id(),
GURL(origin.toString()),
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;
}
void NotificationProvider::OnNavigate() {
manager_.Clear();
}
bool NotificationProvider::ShowHTML(const WebNotification& notification,
int id) {
// Disallow HTML notifications from unwanted schemes. javascript:
// in particular allows unwanted cross-domain access.
GURL url = notification.url();
if (!url.SchemeIs(chrome::kHttpScheme) &&
!url.SchemeIs(chrome::kHttpsScheme) &&
!url.SchemeIs(chrome::kExtensionScheme) &&
!url.SchemeIs(chrome::kDataScheme))
return false;
DCHECK(notification.isHTML());
ViewHostMsg_ShowNotification_Params params;
params.origin = GURL(view_->webview()->mainFrame()->url()).GetOrigin();
params.is_html = true;
params.contents_url = notification.url();
params.notification_id = id;
params.replace_id = notification.replaceId();
return Send(new ViewHostMsg_ShowDesktopNotification(view_->routing_id(),
params));
}
bool NotificationProvider::ShowText(const WebNotification& notification,
int id) {
DCHECK(!notification.isHTML());
ViewHostMsg_ShowNotification_Params params;
params.is_html = false;
params.origin = GURL(view_->webview()->mainFrame()->url()).GetOrigin();
params.icon_url = notification.iconURL();
params.title = notification.title();
params.body = notification.body();
params.direction = notification.direction();
params.notification_id = id;
params.replace_id = notification.replaceId();
return Send(new ViewHostMsg_ShowDesktopNotification(view_->routing_id(),
params));
}
void NotificationProvider::OnDisplay(int id) {
WebNotification notification;
bool found = manager_.GetNotification(id, ¬ification);
// |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, ¬ification);
// |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, ¬ification);
// |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);
}
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