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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "DCPresentationChannelDescription.h"
#include "nsComponentManagerUtils.h"
#include "nsGlobalWindow.h"
#include "PresentationBuilderChild.h"
#include "PresentationIPCService.h"
#include "nsServiceManagerUtils.h"
#include "mozilla/Unused.h"
namespace mozilla {
namespace dom {
NS_IMPL_ISUPPORTS(PresentationBuilderChild,
nsIPresentationSessionTransportBuilderListener)
PresentationBuilderChild::PresentationBuilderChild(const nsString& aSessionId,
uint8_t aRole)
: mSessionId(aSessionId), mRole(aRole) {}
nsresult PresentationBuilderChild::Init() {
mBuilder = do_CreateInstance(
"@mozilla.org/presentation/datachanneltransportbuilder;1");
if (NS_WARN_IF(!mBuilder)) {
return NS_ERROR_NOT_AVAILABLE;
}
uint64_t windowId = 0;
nsCOMPtr<nsIPresentationService> service =
do_GetService(PRESENTATION_SERVICE_CONTRACTID);
if (NS_WARN_IF(!service)) {
return NS_ERROR_NOT_AVAILABLE;
}
if (NS_WARN_IF(NS_FAILED(
service->GetWindowIdBySessionId(mSessionId, mRole, &windowId)))) {
return NS_ERROR_NOT_AVAILABLE;
}
nsPIDOMWindowInner* window =
nsGlobalWindowInner::GetInnerWindowWithId(windowId);
if (NS_WARN_IF(!window)) {
return NS_ERROR_NOT_AVAILABLE;
}
return mBuilder->BuildDataChannelTransport(mRole, window, this);
}
void PresentationBuilderChild::ActorDestroy(ActorDestroyReason aWhy) {
mBuilder = nullptr;
mActorDestroyed = true;
}
mozilla::ipc::IPCResult PresentationBuilderChild::RecvOnOffer(
const nsString& aSDP) {
if (NS_WARN_IF(!mBuilder)) {
return IPC_FAIL_NO_REASON(this);
}
RefPtr<DCPresentationChannelDescription> description =
new DCPresentationChannelDescription(aSDP);
if (NS_WARN_IF(NS_FAILED(mBuilder->OnOffer(description)))) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
mozilla::ipc::IPCResult PresentationBuilderChild::RecvOnAnswer(
const nsString& aSDP) {
if (NS_WARN_IF(!mBuilder)) {
return IPC_FAIL_NO_REASON(this);
}
RefPtr<DCPresentationChannelDescription> description =
new DCPresentationChannelDescription(aSDP);
if (NS_WARN_IF(NS_FAILED(mBuilder->OnAnswer(description)))) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
mozilla::ipc::IPCResult PresentationBuilderChild::RecvOnIceCandidate(
const nsString& aCandidate) {
if (NS_WARN_IF(mBuilder && NS_FAILED(mBuilder->OnIceCandidate(aCandidate)))) {
return IPC_FAIL_NO_REASON(this);
}
return IPC_OK();
}
// nsPresentationSessionTransportBuilderListener
NS_IMETHODIMP
PresentationBuilderChild::OnSessionTransport(
nsIPresentationSessionTransport* aTransport) {
if (NS_WARN_IF(mActorDestroyed || !SendOnSessionTransport())) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresentationService> service =
do_GetService(PRESENTATION_SERVICE_CONTRACTID);
NS_WARNING_ASSERTION(service, "no presentation service");
if (service) {
Unused << NS_WARN_IF(
NS_FAILED(static_cast<PresentationIPCService*>(service.get())
->NotifySessionTransport(mSessionId, mRole, aTransport)));
}
mBuilder = nullptr;
return NS_OK;
}
NS_IMETHODIMP
PresentationBuilderChild::OnError(nsresult reason) {
mBuilder = nullptr;
if (NS_WARN_IF(mActorDestroyed || !SendOnSessionTransportError(reason))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
PresentationBuilderChild::SendOffer(nsIPresentationChannelDescription* aOffer) {
nsAutoString SDP;
nsresult rv = aOffer->GetDataChannelSDP(SDP);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (NS_WARN_IF(mActorDestroyed || !SendSendOffer(SDP))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
PresentationBuilderChild::SendAnswer(
nsIPresentationChannelDescription* aAnswer) {
nsAutoString SDP;
nsresult rv = aAnswer->GetDataChannelSDP(SDP);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (NS_WARN_IF(mActorDestroyed || !SendSendAnswer(SDP))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
PresentationBuilderChild::SendIceCandidate(const nsAString& candidate) {
if (NS_WARN_IF(mActorDestroyed ||
!SendSendIceCandidate(nsString(candidate)))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
PresentationBuilderChild::Close(nsresult reason) {
if (NS_WARN_IF(mActorDestroyed || !SendClose(reason))) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
} // namespace dom
} // namespace mozilla
|
