Index: chrome/renderer/user_script_idle_scheduler.cc |
diff --git a/chrome/renderer/user_script_idle_scheduler.cc b/chrome/renderer/user_script_idle_scheduler.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..27c989c77cd07fb6e9d54c7a71647557b6578e7e |
--- /dev/null |
+++ b/chrome/renderer/user_script_idle_scheduler.cc |
@@ -0,0 +1,47 @@ |
+// Copyright (c) 2009 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "chrome/renderer/user_script_idle_scheduler.h" |
+ |
+#include "base/message_loop.h" |
+#include "chrome/renderer/render_view.h" |
+ |
+namespace { |
+// The length of time to wait after the DOM is complete to try and run user |
+// scripts. |
+const int kUserScriptIdleTimeoutMs = 200; |
+} |
+ |
+UserScriptIdleScheduler::UserScriptIdleScheduler(RenderView* view, |
+ WebKit::WebFrame* frame) |
+ : ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)), view_(view), |
+ frame_(frame), has_run_(false) { |
abarth-chromium
2009/10/31 07:07:39
These should each be on a different line according
|
+} |
+ |
+void UserScriptIdleScheduler::DidFinishDocumentLoad() { |
+ MessageLoop::current()->PostDelayedTask(FROM_HERE, |
+ method_factory_.NewRunnableMethod(&UserScriptIdleScheduler::MaybeRun), |
+ kUserScriptIdleTimeoutMs); |
+} |
+ |
+void UserScriptIdleScheduler::DidFinishLoad() { |
+ // Ensure that running scripts does not keep any progress UI running. |
+ MessageLoop::current()->PostTask(FROM_HERE, |
+ method_factory_.NewRunnableMethod(&UserScriptIdleScheduler::MaybeRun)); |
+} |
+ |
+void UserScriptIdleScheduler::Cancel() { |
+ view_ = NULL; |
+ frame_ = NULL; |
+} |
+ |
+void UserScriptIdleScheduler::MaybeRun() { |
+ if (!view_) |
+ return; |
+ |
+ DCHECK(frame_); |
+ view_->OnUserScriptIdleLocation(frame_); |
+ Cancel(); |
+ has_run_ = true; |
+} |