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authorMatt A. Tobin <email@mattatobin.com>2019-11-03 00:17:46 -0400
committerMatt A. Tobin <email@mattatobin.com>2019-11-03 00:17:46 -0400
commit302bf1b523012e11b60425d6eee1221ebc2724eb (patch)
treeb191a895f8716efcbe42f454f37597a545a6f421 /mailnews/imap/src/nsImapFlagAndUidState.cpp
parent21b3f6247403c06f85e1f45d219f87549862198f (diff)
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Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1
Diffstat (limited to 'mailnews/imap/src/nsImapFlagAndUidState.cpp')
-rw-r--r--mailnews/imap/src/nsImapFlagAndUidState.cpp321
1 files changed, 321 insertions, 0 deletions
diff --git a/mailnews/imap/src/nsImapFlagAndUidState.cpp b/mailnews/imap/src/nsImapFlagAndUidState.cpp
new file mode 100644
index 000000000..deae831db
--- /dev/null
+++ b/mailnews/imap/src/nsImapFlagAndUidState.cpp
@@ -0,0 +1,321 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 "msgCore.h" // for pre-compiled headers
+
+#include "nsImapCore.h"
+#include "nsImapFlagAndUidState.h"
+#include "nsMsgUtils.h"
+#include "prcmon.h"
+#include "nspr.h"
+
+NS_IMPL_ISUPPORTS(nsImapFlagAndUidState, nsIImapFlagAndUidState)
+
+using namespace mozilla;
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetNumberOfMessages(int32_t *result)
+{
+ if (!result)
+ return NS_ERROR_NULL_POINTER;
+ *result = fUids.Length();
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetUidOfMessage(int32_t zeroBasedIndex, uint32_t *aResult)
+{
+ NS_ENSURE_ARG_POINTER(aResult);
+
+ PR_CEnterMonitor(this);
+ *aResult = fUids.SafeElementAt(zeroBasedIndex, nsMsgKey_None);
+ PR_CExitMonitor(this);
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetMessageFlags(int32_t zeroBasedIndex, uint16_t *aResult)
+{
+ NS_ENSURE_ARG_POINTER(aResult);
+ *aResult = fFlags.SafeElementAt(zeroBasedIndex, kNoImapMsgFlag);
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::SetMessageFlags(int32_t zeroBasedIndex, unsigned short flags)
+{
+ if (zeroBasedIndex < (int32_t)fUids.Length())
+ fFlags[zeroBasedIndex] = flags;
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetNumberOfRecentMessages(int32_t *result)
+{
+ if (!result)
+ return NS_ERROR_NULL_POINTER;
+
+ PR_CEnterMonitor(this);
+ uint32_t counter = 0;
+ int32_t numUnseenMessages = 0;
+
+ for (counter = 0; counter < fUids.Length(); counter++)
+ {
+ if (fFlags[counter] & kImapMsgRecentFlag)
+ numUnseenMessages++;
+ }
+ PR_CExitMonitor(this);
+
+ *result = numUnseenMessages;
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetPartialUIDFetch(bool *aPartialUIDFetch)
+{
+ NS_ENSURE_ARG_POINTER(aPartialUIDFetch);
+ *aPartialUIDFetch = fPartialUIDFetch;
+ return NS_OK;
+}
+
+/* amount to expand for imap entry flags when we need more */
+
+nsImapFlagAndUidState::nsImapFlagAndUidState(int32_t numberOfMessages)
+ : fUids(numberOfMessages),
+ fFlags(numberOfMessages),
+ m_customFlagsHash(10),
+ m_customAttributesHash(10),
+ mLock("nsImapFlagAndUidState.mLock")
+{
+ fSupportedUserFlags = 0;
+ fNumberDeleted = 0;
+ fPartialUIDFetch = true;
+}
+
+nsImapFlagAndUidState::~nsImapFlagAndUidState()
+{
+}
+
+NS_IMETHODIMP
+nsImapFlagAndUidState::OrSupportedUserFlags(uint16_t flags)
+{
+ fSupportedUserFlags |= flags;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsImapFlagAndUidState::GetSupportedUserFlags(uint16_t *aFlags)
+{
+ NS_ENSURE_ARG_POINTER(aFlags);
+ *aFlags = fSupportedUserFlags;
+ return NS_OK;
+}
+
+// we need to reset our flags, (re-read all) but chances are the memory allocation needed will be
+// very close to what we were already using
+
+NS_IMETHODIMP nsImapFlagAndUidState::Reset()
+{
+ PR_CEnterMonitor(this);
+ fNumberDeleted = 0;
+ m_customFlagsHash.Clear();
+ fUids.Clear();
+ fFlags.Clear();
+ fPartialUIDFetch = true;
+ PR_CExitMonitor(this);
+ return NS_OK;
+}
+
+
+// Remove (expunge) a message from our array, since now it is gone for good
+
+NS_IMETHODIMP nsImapFlagAndUidState::ExpungeByIndex(uint32_t msgIndex)
+{
+ // protect ourselves in case the server gave us an index key of -1 or 0
+ if ((int32_t) msgIndex <= 0)
+ return NS_ERROR_INVALID_ARG;
+
+ if ((uint32_t) fUids.Length() < msgIndex)
+ return NS_ERROR_INVALID_ARG;
+
+ PR_CEnterMonitor(this);
+ msgIndex--; // msgIndex is 1-relative
+ if (fFlags[msgIndex] & kImapMsgDeletedFlag) // see if we already had counted this one as deleted
+ fNumberDeleted--;
+ fUids.RemoveElementAt(msgIndex);
+ fFlags.RemoveElementAt(msgIndex);
+ PR_CExitMonitor(this);
+ return NS_OK;
+}
+
+
+// adds to sorted list, protects against duplicates and going past array bounds.
+NS_IMETHODIMP nsImapFlagAndUidState::AddUidFlagPair(uint32_t uid, imapMessageFlagsType flags, uint32_t zeroBasedIndex)
+{
+ if (uid == nsMsgKey_None) // ignore uid of -1
+ return NS_OK;
+ // check for potential overflow in buffer size for uid array
+ if (zeroBasedIndex > 0x3FFFFFFF)
+ return NS_ERROR_INVALID_ARG;
+ PR_CEnterMonitor(this);
+ // make sure there is room for this pair
+ if (zeroBasedIndex >= fUids.Length())
+ {
+ int32_t sizeToGrowBy = zeroBasedIndex - fUids.Length() + 1;
+ fUids.InsertElementsAt(fUids.Length(), sizeToGrowBy, 0);
+ fFlags.InsertElementsAt(fFlags.Length(), sizeToGrowBy, 0);
+ }
+
+ fUids[zeroBasedIndex] = uid;
+ fFlags[zeroBasedIndex] = flags;
+ if (flags & kImapMsgDeletedFlag)
+ fNumberDeleted++;
+ PR_CExitMonitor(this);
+ return NS_OK;
+}
+
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetNumberOfDeletedMessages(int32_t *numDeletedMessages)
+{
+ NS_ENSURE_ARG_POINTER(numDeletedMessages);
+ *numDeletedMessages = NumberOfDeletedMessages();
+ return NS_OK;
+}
+
+int32_t nsImapFlagAndUidState::NumberOfDeletedMessages()
+{
+ return fNumberDeleted;
+}
+
+// since the uids are sorted, start from the back (rb)
+
+uint32_t nsImapFlagAndUidState::GetHighestNonDeletedUID()
+{
+ uint32_t msgIndex = fUids.Length();
+ do
+ {
+ if (msgIndex <= 0)
+ return(0);
+ msgIndex--;
+ if (fUids[msgIndex] && !(fFlags[msgIndex] & kImapMsgDeletedFlag))
+ return fUids[msgIndex];
+ }
+ while (msgIndex > 0);
+ return 0;
+}
+
+
+// Has the user read the last message here ? Used when we first open the inbox to see if there
+// really is new mail there.
+
+bool nsImapFlagAndUidState::IsLastMessageUnseen()
+{
+ uint32_t msgIndex = fUids.Length();
+
+ if (msgIndex <= 0)
+ return false;
+ msgIndex--;
+ // if last message is deleted, it was probably filtered the last time around
+ if (fUids[msgIndex] && (fFlags[msgIndex] & (kImapMsgSeenFlag | kImapMsgDeletedFlag)))
+ return false;
+ return true;
+}
+
+// find a message flag given a key with non-recursive binary search, since some folders
+// may have thousand of messages, once we find the key set its index, or the index of
+// where the key should be inserted
+
+imapMessageFlagsType nsImapFlagAndUidState::GetMessageFlagsFromUID(uint32_t uid, bool *foundIt, int32_t *ndx)
+{
+ PR_CEnterMonitor(this);
+ *ndx = (int32_t) fUids.IndexOfFirstElementGt(uid) - 1;
+ *foundIt = *ndx >= 0 && fUids[*ndx] == uid;
+ imapMessageFlagsType retFlags = (*foundIt) ? fFlags[*ndx] : kNoImapMsgFlag;
+ PR_CExitMonitor(this);
+ return retFlags;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::AddUidCustomFlagPair(uint32_t uid, const char *customFlag)
+{
+ if (!customFlag)
+ return NS_OK;
+
+ MutexAutoLock mon(mLock);
+ nsCString ourCustomFlags;
+ nsCString oldValue;
+ if (m_customFlagsHash.Get(uid, &oldValue))
+ {
+ // We'll store multiple keys as space-delimited since space is not
+ // a valid character in a keyword. First, we need to look for the
+ // customFlag in the existing flags;
+ nsDependentCString customFlagString(customFlag);
+ int32_t existingCustomFlagPos = oldValue.Find(customFlagString);
+ uint32_t customFlagLen = customFlagString.Length();
+ while (existingCustomFlagPos != kNotFound)
+ {
+ // if existing flags ends with this exact flag, or flag + ' '
+ // and the flag is at the beginning of the string or there is ' ' + flag
+ // then we have this flag already;
+ if (((oldValue.Length() == existingCustomFlagPos + customFlagLen) ||
+ (oldValue.CharAt(existingCustomFlagPos + customFlagLen) == ' ')) &&
+ ((existingCustomFlagPos == 0) ||
+ (oldValue.CharAt(existingCustomFlagPos - 1) == ' ')))
+ return NS_OK;
+ // else, advance to next flag
+ existingCustomFlagPos = MsgFind(oldValue, customFlagString, false, existingCustomFlagPos + customFlagLen);
+ }
+ ourCustomFlags.Assign(oldValue);
+ ourCustomFlags.AppendLiteral(" ");
+ ourCustomFlags.Append(customFlag);
+ m_customFlagsHash.Remove(uid);
+ }
+ else
+ {
+ ourCustomFlags.Assign(customFlag);
+ }
+ m_customFlagsHash.Put(uid, ourCustomFlags);
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetCustomFlags(uint32_t uid, char **customFlags)
+{
+ MutexAutoLock mon(mLock);
+ nsCString value;
+ if (m_customFlagsHash.Get(uid, &value))
+ {
+ *customFlags = NS_strdup(value.get());
+ return (*customFlags) ? NS_OK : NS_ERROR_FAILURE;
+ }
+ *customFlags = nullptr;
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::ClearCustomFlags(uint32_t uid)
+{
+ MutexAutoLock mon(mLock);
+ m_customFlagsHash.Remove(uid);
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::SetCustomAttribute(uint32_t aUid,
+ const nsACString &aCustomAttributeName,
+ const nsACString &aCustomAttributeValue)
+{
+ nsCString key;
+ key.AppendInt((int64_t)aUid);
+ key.Append(aCustomAttributeName);
+ nsCString value;
+ value.Assign(aCustomAttributeValue);
+ m_customAttributesHash.Put(key, value);
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsImapFlagAndUidState::GetCustomAttribute(uint32_t aUid,
+ const nsACString &aCustomAttributeName,
+ nsACString &aCustomAttributeValue)
+{
+ nsCString key;
+ key.AppendInt((int64_t)aUid);
+ key.Append(aCustomAttributeName);
+ nsCString val;
+ m_customAttributesHash.Get(key, &val);
+ aCustomAttributeValue.Assign(val);
+ return NS_OK;
+}