The Tor Browser / file comparison
comparison: editor/txmgr/src/nsTransactionList.cpp
editor/txmgr/src/nsTransactionList.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
deleted
inserted
replaced
| -1:000000000000 | 0:b77178d70f4d |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "mozilla/mozalloc.h" | |
| 7 #include "nsCOMPtr.h" | |
| 8 #include "nsDebug.h" | |
| 9 #include "nsError.h" | |
| 10 #include "nsID.h" | |
| 11 #include "nsISupportsUtils.h" | |
| 12 #include "nsITransactionManager.h" | |
| 13 #include "nsTransactionItem.h" | |
| 14 #include "nsTransactionList.h" | |
| 15 #include "nsTransactionStack.h" | |
| 16 #include "nscore.h" | |
| 17 | |
| 18 NS_IMPL_ISUPPORTS(nsTransactionList, nsITransactionList) | |
| 19 | |
| 20 nsTransactionList::nsTransactionList(nsITransactionManager *aTxnMgr, nsTransactionStack *aTxnStack) | |
| 21 : mTxnStack(aTxnStack) | |
| 22 , mTxnItem(0) | |
| 23 { | |
| 24 if (aTxnMgr) | |
| 25 mTxnMgr = do_GetWeakReference(aTxnMgr); | |
| 26 } | |
| 27 | |
| 28 nsTransactionList::nsTransactionList(nsITransactionManager *aTxnMgr, nsTransactionItem *aTxnItem) | |
| 29 : mTxnStack(0) | |
| 30 , mTxnItem(aTxnItem) | |
| 31 { | |
| 32 if (aTxnMgr) | |
| 33 mTxnMgr = do_GetWeakReference(aTxnMgr); | |
| 34 } | |
| 35 | |
| 36 nsTransactionList::~nsTransactionList() | |
| 37 { | |
| 38 mTxnStack = 0; | |
| 39 mTxnItem = 0; | |
| 40 } | |
| 41 | |
| 42 /* readonly attribute long numItems; */ | |
| 43 NS_IMETHODIMP nsTransactionList::GetNumItems(int32_t *aNumItems) | |
| 44 { | |
| 45 NS_ENSURE_TRUE(aNumItems, NS_ERROR_NULL_POINTER); | |
| 46 | |
| 47 *aNumItems = 0; | |
| 48 | |
| 49 nsCOMPtr<nsITransactionManager> txMgr = do_QueryReferent(mTxnMgr); | |
| 50 | |
| 51 NS_ENSURE_TRUE(txMgr, NS_ERROR_FAILURE); | |
| 52 | |
| 53 nsresult result = NS_OK; | |
| 54 | |
| 55 if (mTxnStack) | |
| 56 *aNumItems = mTxnStack->GetSize(); | |
| 57 else if (mTxnItem) | |
| 58 result = mTxnItem->GetNumberOfChildren(aNumItems); | |
| 59 | |
| 60 return result; | |
| 61 } | |
| 62 | |
| 63 /* boolean itemIsBatch (in long aIndex); */ | |
| 64 NS_IMETHODIMP nsTransactionList::ItemIsBatch(int32_t aIndex, bool *aIsBatch) | |
| 65 { | |
| 66 NS_ENSURE_TRUE(aIsBatch, NS_ERROR_NULL_POINTER); | |
| 67 | |
| 68 *aIsBatch = false; | |
| 69 | |
| 70 nsCOMPtr<nsITransactionManager> txMgr = do_QueryReferent(mTxnMgr); | |
| 71 | |
| 72 NS_ENSURE_TRUE(txMgr, NS_ERROR_FAILURE); | |
| 73 | |
| 74 nsRefPtr<nsTransactionItem> item; | |
| 75 | |
| 76 nsresult result = NS_OK; | |
| 77 | |
| 78 if (mTxnStack) | |
| 79 item = mTxnStack->GetItem(aIndex); | |
| 80 else if (mTxnItem) | |
| 81 result = mTxnItem->GetChild(aIndex, getter_AddRefs(item)); | |
| 82 | |
| 83 NS_ENSURE_SUCCESS(result, result); | |
| 84 | |
| 85 NS_ENSURE_TRUE(item, NS_ERROR_FAILURE); | |
| 86 | |
| 87 return item->GetIsBatch(aIsBatch); | |
| 88 } | |
| 89 | |
| 90 /* void getData (in long aIndex, | |
| 91 [optional] out unsigned long aLength, | |
| 92 [array, size_is (aLength), retval] | |
| 93 out nsISupports aData); */ | |
| 94 NS_IMETHODIMP nsTransactionList::GetData(int32_t aIndex, | |
| 95 uint32_t *aLength, | |
| 96 nsISupports ***aData) | |
| 97 { | |
| 98 nsCOMPtr<nsITransactionManager> txMgr = do_QueryReferent(mTxnMgr); | |
| 99 | |
| 100 NS_ENSURE_TRUE(txMgr, NS_ERROR_FAILURE); | |
| 101 | |
| 102 nsRefPtr<nsTransactionItem> item; | |
| 103 | |
| 104 if (mTxnStack) { | |
| 105 item = mTxnStack->GetItem(aIndex); | |
| 106 } else if (mTxnItem) { | |
| 107 nsresult result = mTxnItem->GetChild(aIndex, getter_AddRefs(item)); | |
| 108 NS_ENSURE_SUCCESS(result, result); | |
| 109 } | |
| 110 | |
| 111 nsCOMArray<nsISupports>& data = item->GetData(); | |
| 112 | |
| 113 nsISupports** ret = static_cast<nsISupports**>(NS_Alloc(data.Count() * | |
| 114 sizeof(nsISupports*))); | |
| 115 | |
| 116 for (int32_t i = 0; i < data.Count(); i++) { | |
| 117 NS_ADDREF(ret[i] = data[i]); | |
| 118 } | |
| 119 | |
| 120 *aLength = data.Count(); | |
| 121 *aData = ret; | |
| 122 | |
| 123 return NS_OK; | |
| 124 } | |
| 125 | |
| 126 /* nsITransaction getItem (in long aIndex); */ | |
| 127 NS_IMETHODIMP nsTransactionList::GetItem(int32_t aIndex, nsITransaction **aItem) | |
| 128 { | |
| 129 NS_ENSURE_TRUE(aItem, NS_ERROR_NULL_POINTER); | |
| 130 | |
| 131 *aItem = 0; | |
| 132 | |
| 133 nsCOMPtr<nsITransactionManager> txMgr = do_QueryReferent(mTxnMgr); | |
| 134 | |
| 135 NS_ENSURE_TRUE(txMgr, NS_ERROR_FAILURE); | |
| 136 | |
| 137 nsRefPtr<nsTransactionItem> item; | |
| 138 | |
| 139 nsresult result = NS_OK; | |
| 140 | |
| 141 if (mTxnStack) | |
| 142 item = mTxnStack->GetItem(aIndex); | |
| 143 else if (mTxnItem) | |
| 144 result = mTxnItem->GetChild(aIndex, getter_AddRefs(item)); | |
| 145 | |
| 146 NS_ENSURE_SUCCESS(result, result); | |
| 147 | |
| 148 NS_ENSURE_TRUE(item, NS_ERROR_FAILURE); | |
| 149 | |
| 150 *aItem = item->GetTransaction().take(); | |
| 151 | |
| 152 return NS_OK; | |
| 153 } | |
| 154 | |
| 155 /* long getNumChildrenForItem (in long aIndex); */ | |
| 156 NS_IMETHODIMP nsTransactionList::GetNumChildrenForItem(int32_t aIndex, int32_t *aNumChildren) | |
| 157 { | |
| 158 NS_ENSURE_TRUE(aNumChildren, NS_ERROR_NULL_POINTER); | |
| 159 | |
| 160 *aNumChildren = 0; | |
| 161 | |
| 162 nsCOMPtr<nsITransactionManager> txMgr = do_QueryReferent(mTxnMgr); | |
| 163 | |
| 164 NS_ENSURE_TRUE(txMgr, NS_ERROR_FAILURE); | |
| 165 | |
| 166 nsRefPtr<nsTransactionItem> item; | |
| 167 | |
| 168 nsresult result = NS_OK; | |
| 169 | |
| 170 if (mTxnStack) | |
| 171 item = mTxnStack->GetItem(aIndex); | |
| 172 else if (mTxnItem) | |
| 173 result = mTxnItem->GetChild(aIndex, getter_AddRefs(item)); | |
| 174 | |
| 175 NS_ENSURE_SUCCESS(result, result); | |
| 176 | |
| 177 NS_ENSURE_TRUE(item, NS_ERROR_FAILURE); | |
| 178 | |
| 179 return item->GetNumberOfChildren(aNumChildren); | |
| 180 } | |
| 181 | |
| 182 /* nsITransactionList getChildListForItem (in long aIndex); */ | |
| 183 NS_IMETHODIMP nsTransactionList::GetChildListForItem(int32_t aIndex, nsITransactionList **aTxnList) | |
| 184 { | |
| 185 NS_ENSURE_TRUE(aTxnList, NS_ERROR_NULL_POINTER); | |
| 186 | |
| 187 *aTxnList = 0; | |
| 188 | |
| 189 nsCOMPtr<nsITransactionManager> txMgr = do_QueryReferent(mTxnMgr); | |
| 190 | |
| 191 NS_ENSURE_TRUE(txMgr, NS_ERROR_FAILURE); | |
| 192 | |
| 193 nsRefPtr<nsTransactionItem> item; | |
| 194 | |
| 195 nsresult result = NS_OK; | |
| 196 | |
| 197 if (mTxnStack) | |
| 198 item = mTxnStack->GetItem(aIndex); | |
| 199 else if (mTxnItem) | |
| 200 result = mTxnItem->GetChild(aIndex, getter_AddRefs(item)); | |
| 201 | |
| 202 NS_ENSURE_SUCCESS(result, result); | |
| 203 | |
| 204 NS_ENSURE_TRUE(item, NS_ERROR_FAILURE); | |
| 205 | |
| 206 *aTxnList = (nsITransactionList *)new nsTransactionList(txMgr, item); | |
| 207 | |
| 208 NS_ENSURE_TRUE(*aTxnList, NS_ERROR_OUT_OF_MEMORY); | |
| 209 | |
| 210 NS_ADDREF(*aTxnList); | |
| 211 | |
| 212 return NS_OK; | |
| 213 } | |
| 214 |
