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
|
/* -*- 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 "SDBRequest.h"
// Local includes
#include "SDBConnection.h"
// Global includes
#include "mozilla/ErrorNames.h"
#include "nsError.h"
#include "nsISDBCallbacks.h"
#include "nsISupportsUtils.h"
#include "nsIVariant.h"
#include "nsThreadUtils.h"
#include "nscore.h"
namespace mozilla::dom {
SDBRequest::SDBRequest(SDBConnection* aConnection)
: mConnection(aConnection),
mResultCode(NS_OK),
mHaveResultOrErrorCode(false) {
AssertIsOnOwningThread();
MOZ_ASSERT(aConnection);
}
SDBRequest::~SDBRequest() { AssertIsOnOwningThread(); }
void SDBRequest::SetResult(nsIVariant* aResult) {
AssertIsOnOwningThread();
MOZ_ASSERT(aResult);
MOZ_ASSERT(mConnection);
MOZ_ASSERT(!mHaveResultOrErrorCode);
mResult = aResult;
mHaveResultOrErrorCode = true;
FireCallback();
}
void SDBRequest::SetError(nsresult aRv) {
AssertIsOnOwningThread();
MOZ_ASSERT(mConnection);
MOZ_ASSERT(mResultCode == NS_OK);
MOZ_ASSERT(!mHaveResultOrErrorCode);
mResultCode = aRv;
mHaveResultOrErrorCode = true;
FireCallback();
}
void SDBRequest::FireCallback() {
AssertIsOnOwningThread();
if (mCallback) {
nsCOMPtr<nsISDBCallback> callback;
callback.swap(mCallback);
MOZ_ALWAYS_SUCCEEDS(
NS_DispatchToCurrentThread(NewRunnableMethod<RefPtr<SDBRequest>>(
"nsISDBCallback::OnComplete", callback, &nsISDBCallback::OnComplete,
this)));
}
}
NS_IMPL_CYCLE_COLLECTING_ADDREF(SDBRequest)
NS_IMPL_CYCLE_COLLECTING_RELEASE(SDBRequest)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SDBRequest)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_ENTRY(nsISDBRequest)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION(SDBRequest, mCallback, mResult)
NS_IMETHODIMP
SDBRequest::GetResult(nsIVariant** aResult) {
AssertIsOnOwningThread();
MOZ_ASSERT(aResult);
if (!mHaveResultOrErrorCode) {
return NS_ERROR_NOT_AVAILABLE;
}
NS_IF_ADDREF(*aResult = mResult);
return NS_OK;
}
NS_IMETHODIMP
SDBRequest::GetResultCode(nsresult* aResultCode) {
AssertIsOnOwningThread();
MOZ_ASSERT(aResultCode);
if (!mHaveResultOrErrorCode) {
return NS_ERROR_NOT_AVAILABLE;
}
*aResultCode = mResultCode;
return NS_OK;
}
NS_IMETHODIMP
SDBRequest::GetResultName(nsACString& aResultName) {
AssertIsOnOwningThread();
if (!mHaveResultOrErrorCode) {
return NS_ERROR_NOT_AVAILABLE;
}
mozilla::GetErrorName(mResultCode, aResultName);
return NS_OK;
}
NS_IMETHODIMP
SDBRequest::GetCallback(nsISDBCallback** aCallback) {
AssertIsOnOwningThread();
MOZ_ASSERT(aCallback);
NS_IF_ADDREF(*aCallback = mCallback);
return NS_OK;
}
NS_IMETHODIMP
SDBRequest::SetCallback(nsISDBCallback* aCallback) {
AssertIsOnOwningThread();
mCallback = aCallback;
return NS_OK;
}
} // namespace mozilla::dom
|
