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
|
/* 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 "SuspendableChannelWrapper.h"
#include "nsIStreamListener.h"
namespace mozilla {
namespace net {
NS_IMPL_ISUPPORTS(BaseSuspendableChannelWrapper, nsISuspendableChannelWrapper)
NS_IMPL_ADDREF_INHERITED(SuspendableChannelWrapper,
BaseSuspendableChannelWrapper)
NS_IMPL_RELEASE_INHERITED(SuspendableChannelWrapper,
BaseSuspendableChannelWrapper)
NS_INTERFACE_MAP_BEGIN(SuspendableChannelWrapper)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIChannel)
NS_INTERFACE_MAP_ENTRY(nsIRequest)
NS_INTERFACE_MAP_ENTRY(nsIChannel)
NS_INTERFACE_MAP_ENTRY(nsISuspendableChannelWrapper)
NS_INTERFACE_MAP_END_AGGREGATED(mInnerChannel)
NS_IMETHODIMP
SuspendableChannelWrapper::Suspend() {
if (mInnerOpened) {
mInnerChannel->Suspend();
} else {
mSuspendCount++;
}
return NS_OK;
}
NS_IMETHODIMP
SuspendableChannelWrapper::Resume() {
if (mInnerOpened) {
mInnerChannel->Resume();
} else if (mSuspendCount > 0) {
mSuspendCount--;
}
if (!mSuspendCount && mOuterOpened && !mInnerOpened) {
mInnerOpened = true;
MOZ_ASSERT(mListener);
return mInnerChannel->AsyncOpen(mListener);
}
return NS_OK;
}
NS_IMETHODIMP
SuspendableChannelWrapper::IsPending(bool* _retval) {
NS_ENSURE_ARG_POINTER(_retval);
if (mInnerOpened) {
return mInnerChannel->IsPending(_retval);
}
*_retval = mSuspendCount > 0;
return NS_OK;
}
NS_IMETHODIMP
SuspendableChannelWrapper::AsyncOpen(nsIStreamListener* aListener) {
if (mOuterOpened) {
return NS_ERROR_ALREADY_OPENED;
}
mListener = aListener;
mOuterOpened = true;
if (mInnerOpened || !mSuspendCount) {
return mInnerChannel->AsyncOpen(mListener);
}
return NS_OK;
}
NS_IMETHODIMP
SuspendableChannelWrapper::Open(nsIInputStream** _retval) {
return NS_ERROR_NOT_IMPLEMENTED;
}
} // namespace net
} // namespace mozilla
|
