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editor/txmgr/src/nsTransactionList.cpp@141e0f1194b1 (annotated)

editor/txmgr/src/nsTransactionList.cpp

Wed, 31 Dec 2014 07:16:47 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 07:16:47 +0100
branch
TOR_BUG_9701
changeset 3
141e0f1194b1
permissions
-rw-r--r--

Revert simplistic fix pending revisit of Mozilla integration attempt.

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

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