Imported WebKit commit 953baa67aa07087b6ecd4199351ec554c724e27d (http://svn.webkit.org/repository/webkit/trunk@122676)

1 files changed, 46 insertions, 0 deletions

diff --git a/Source/WebCore/dom/IdTargetObserver.cpp b/Source/WebCore/dom/IdTargetObserver.cpp
new file mode 100644
index 000000000..afadd38f9
--- /dev/null
+++ b/Source/WebCore/dom/IdTargetObserver.cpp
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+/*
+ * Copyright (C) 2012 Google Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "IdTargetObserver.h"
+
+#include "IdTargetObserverRegistry.h"
+
+namespace WebCore {
+
+IdTargetObserver::IdTargetObserver(IdTargetObserverRegistry& registry, const AtomicString& id)
+    : m_registry(&registry)
+    , m_id(id)
+{
+    m_registry->addObserver(m_id, this);
+}
+
+IdTargetObserver::~IdTargetObserver()
+{
+    if (m_registry)
+        m_registry->removeObserver(m_id, this);
+}
+
+} // namespace WebCore