Index: Source/core/html/StableState.cpp |
diff --git a/Source/core/html/StableState.cpp b/Source/core/html/StableState.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f4ea9ba990f9874dfe060fd691f0b5a28d50de6c |
--- /dev/null |
+++ b/Source/core/html/StableState.cpp |
@@ -0,0 +1,41 @@ |
+// Copyright 2014 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 "config.h" |
+#include "core/html/StableState.h" |
+ |
+#include "wtf/HashSet.h" |
+ |
+namespace WebCore { |
+ |
+typedef HashSet<StableState::Awaiter*> StableStateAwaiters; |
+ |
+static StableStateAwaiters& stableStateAwaiters() |
+{ |
+ DEFINE_STATIC_LOCAL(StableStateAwaiters, stableStateAwaiters, ()); |
acolwell GONE FROM CHROMIUM
2014/02/07 19:09:31
Do we really want this process global? Shouldn't t
philipj_slow
2014/02/09 17:10:17
In the spec these concepts are not scoped per docu
|
+ return stableStateAwaiters; |
+} |
+ |
+StableState::Awaiter::~Awaiter() |
+{ |
+ stableStateAwaiters().remove(this); |
+} |
+ |
+void StableState::await(Awaiter& awaiter) |
+{ |
+ stableStateAwaiters().add(&awaiter); |
acolwell GONE FROM CHROMIUM
2014/02/07 19:09:31
nit: I wonder if we should keep a bool that keeps
philipj_slow
2014/02/09 17:10:17
Done.
|
+} |
+ |
+void StableState::provide() |
+{ |
+ if (!stableStateAwaiters().isEmpty()) { |
acolwell GONE FROM CHROMIUM
2014/02/07 19:09:31
nit: Reverse condition and early return.
philipj_slow
2014/02/09 17:10:17
Done.
|
+ StableStateAwaiters awaiters; |
+ awaiters.swap(stableStateAwaiters()); |
+ for (StableStateAwaiters::iterator it = awaiters.begin(); it != awaiters.end(); ++it) |
+ (*it)->didAwaitStableState(); |
+ ASSERT(stableStateAwaiters().isEmpty()); |
+ } |
+} |
+ |
+} // namespace WebCore |