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Bug 370329 Only do batch transactions when we really have a lot of transactions, r=mano

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This commit is contained in:
jminta%gmail.com 2007-02-14 02:08:26 +00:00
parent 89c8d74fa2
commit 6a5d94c18a
1 changed files with 12 additions and 4 deletions
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16
browser/components/places/content/controller.js
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@ -78,6 +78,10 @@ const NEWLINE= "\n";
const NEWLINE = "\r\n";
#endif
// The minimum amount of transactions we should tell our observers to begin
// batching (rather than letting them do incremental drawing).
const MIN_TRANSACTIONS_FOR_BATCH = 5;
function STACK(args) {
var temp = arguments.callee.caller;
while (temp) {
@ -1700,27 +1704,31 @@ PlacesAggregateTransaction.prototype = {
doTransaction: function() {
this.LOG("== " + this._name + " (Aggregate) ==============");
this.bookmarks.beginUpdateBatch();
if (this._transactions.length >= MIN_TRANSACTIONS_FOR_BATCH)
this.bookmarks.beginUpdateBatch();
for (var i = 0; i < this._transactions.length; ++i) {
var txn = this._transactions[i];
if (this.container > -1)
txn.container = this.container;
txn.doTransaction();
}
this.bookmarks.endUpdateBatch();
if (this._transactions.length >= MIN_TRANSACTIONS_FOR_BATCH)
this.bookmarks.endUpdateBatch();
this.LOG("== " + this._name + " (Aggregate Ends) =========");
},
undoTransaction: function() {
this.LOG("== UN" + this._name + " (UNAggregate) ============");
this.bookmarks.beginUpdateBatch();
if (this._transactions.length >= MIN_TRANSACTIONS_FOR_BATCH)
this.bookmarks.beginUpdateBatch();
for (var i = this._transactions.length - 1; i >= 0; --i) {
var txn = this._transactions[i];
if (this.container > -1)
txn.container = this.container;
txn.undoTransaction();
}
this.bookmarks.endUpdateBatch();
if (this._transactions.length >= MIN_TRANSACTIONS_FOR_BATCH)
this.bookmarks.endUpdateBatch();
this.LOG("== UN" + this._name + " (UNAggregate Ends) =======");
}
};