1 files changed, 105 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/core/dom/custom/CustomElementMicrotaskImportStep.cpp b/chromium/third_party/WebKit/Source/core/dom/custom/CustomElementMicrotaskImportStep.cpp
new file mode 100644
index 00000000000..da48bb882eb
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+++ b/chromium/third_party/WebKit/Source/core/dom/custom/CustomElementMicrotaskImportStep.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2013 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.
+ * 3. Neither the name of Google Inc. nor the names of its contributors
+ *    may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 THE COPYRIGHT
+ * OWNER 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 "core/dom/custom/CustomElementMicrotaskImportStep.h"
+
+#include "core/dom/custom/CustomElementMicrotaskDispatcher.h"
+#include "core/dom/custom/CustomElementSyncMicrotaskQueue.h"
+#include "core/html/imports/HTMLImportChild.h"
+#include "core/html/imports/HTMLImportLoader.h"
+#include <stdio.h>
+
+namespace WebCore {
+
+PassOwnPtrWillBeRawPtr<CustomElementMicrotaskImportStep> CustomElementMicrotaskImportStep::create(HTMLImportChild* import)
+{
+    return adoptPtrWillBeNoop(new CustomElementMicrotaskImportStep(import));
+}
+
+CustomElementMicrotaskImportStep::CustomElementMicrotaskImportStep(HTMLImportChild* import)
+#if ENABLE(OILPAN)
+    : m_import(import)
+#else
+    : m_import(import->weakPtr())
+    , m_weakFactory(this)
+#endif
+    , m_queue(import->loader()->microtaskQueue())
+{
+}
+
+CustomElementMicrotaskImportStep::~CustomElementMicrotaskImportStep()
+{
+}
+
+void CustomElementMicrotaskImportStep::parentWasChanged()
+{
+    m_queue = CustomElementSyncMicrotaskQueue::create();
+    m_import.clear();
+}
+
+bool CustomElementMicrotaskImportStep::shouldWaitForImport() const
+{
+    return m_import && !m_import->loader()->isDone();
+}
+
+void CustomElementMicrotaskImportStep::didUpgradeAllCustomElements()
+{
+    ASSERT(m_queue);
+    if (m_import)
+        m_import->didFinishUpgradingCustomElements();
+}
+
+CustomElementMicrotaskStep::Result CustomElementMicrotaskImportStep::process()
+{
+    m_queue->dispatch();
+    if (!m_queue->isEmpty() || shouldWaitForImport())
+        return Processing;
+
+    didUpgradeAllCustomElements();
+    return FinishedProcessing;
+}
+
+void CustomElementMicrotaskImportStep::trace(Visitor* visitor)
+{
+    visitor->trace(m_import);
+    visitor->trace(m_queue);
+    CustomElementMicrotaskStep::trace(visitor);
+}
+
+#if !defined(NDEBUG)
+void CustomElementMicrotaskImportStep::show(unsigned indent)
+{
+    fprintf(stderr, "%*sImport(wait=%d sync=%d, url=%s)\n", indent, "", shouldWaitForImport(), m_import && m_import->isSync(), m_import ? m_import->url().string().utf8().data() : "null");
+    m_queue->show(indent + 1);
+}
+#endif
+
+} // namespace WebCore