1 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* vim: set ts=2 et sw=2 tw=80: */
3 : /****** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is IPC External Helper App module.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Brian Crowder <crowderbt@gmail.com>.
20 : * Portions created by the Initial Developer are Copyright (C) 2010
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either the GNU General Public License Version 2 or later (the "GPL"), or
27 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : #include "ExternalHelperAppChild.h"
40 : #include "nsIInputStream.h"
41 : #include "nsIRequest.h"
42 : #include "nsIResumableChannel.h"
43 : #include "nsNetUtil.h"
44 :
45 : namespace mozilla {
46 : namespace dom {
47 :
48 0 : NS_IMPL_ISUPPORTS2(ExternalHelperAppChild,
49 : nsIStreamListener,
50 : nsIRequestObserver)
51 :
52 0 : ExternalHelperAppChild::ExternalHelperAppChild()
53 0 : : mStatus(NS_OK)
54 : {
55 0 : }
56 :
57 0 : ExternalHelperAppChild::~ExternalHelperAppChild()
58 : {
59 0 : }
60 :
61 : //-----------------------------------------------------------------------------
62 : // nsIStreamListener
63 : //-----------------------------------------------------------------------------
64 : NS_IMETHODIMP
65 0 : ExternalHelperAppChild::OnDataAvailable(nsIRequest *request,
66 : nsISupports *ctx,
67 : nsIInputStream *input,
68 : PRUint32 offset,
69 : PRUint32 count)
70 : {
71 0 : if (NS_FAILED(mStatus))
72 0 : return mStatus;
73 :
74 0 : nsCString data;
75 0 : nsresult rv = NS_ReadInputStreamToString(input, data, count);
76 0 : if (NS_FAILED(rv))
77 0 : return rv;
78 :
79 0 : if (!SendOnDataAvailable(data, offset, count))
80 0 : return NS_ERROR_UNEXPECTED;
81 :
82 0 : return NS_OK;
83 : }
84 :
85 : //////////////////////////////////////////////////////////////////////////////
86 : // nsIRequestObserver
87 : //////////////////////////////////////////////////////////////////////////////
88 :
89 : NS_IMETHODIMP
90 0 : ExternalHelperAppChild::OnStartRequest(nsIRequest *request, nsISupports *ctx)
91 : {
92 0 : nsresult rv = mHandler->OnStartRequest(request, ctx);
93 0 : NS_ENSURE_SUCCESS(rv, NS_ERROR_UNEXPECTED);
94 :
95 0 : nsCString entityID;
96 0 : nsCOMPtr<nsIResumableChannel> resumable(do_QueryInterface(request));
97 0 : if (resumable)
98 0 : resumable->GetEntityID(entityID);
99 0 : SendOnStartRequest(entityID);
100 0 : return NS_OK;
101 : }
102 :
103 :
104 : NS_IMETHODIMP
105 0 : ExternalHelperAppChild::OnStopRequest(nsIRequest *request,
106 : nsISupports *ctx,
107 : nsresult status)
108 : {
109 0 : nsresult rv = mHandler->OnStopRequest(request, ctx, status);
110 0 : SendOnStopRequest(status);
111 :
112 0 : NS_ENSURE_SUCCESS(rv, NS_ERROR_UNEXPECTED);
113 0 : return NS_OK;
114 : }
115 :
116 :
117 : bool
118 0 : ExternalHelperAppChild::RecvCancel(const nsresult& aStatus)
119 : {
120 0 : mStatus = aStatus;
121 0 : return true;
122 : }
123 :
124 : } // namespace dom
125 : } // namespace mozilla
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