1 files changed, 59 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/modules/serviceworkers/WaitUntilObserver.h b/chromium/third_party/WebKit/Source/modules/serviceworkers/WaitUntilObserver.h
new file mode 100644
index 00000000000..fb665f8e0fb
--- /dev/null
+++ b/chromium/third_party/WebKit/Source/modules/serviceworkers/WaitUntilObserver.h
@@ -0,0 +1,59 @@
+// 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.
+
+#ifndef WaitUntilObserver_h
+#define WaitUntilObserver_h
+
+#include "core/dom/ContextLifecycleObserver.h"
+#include "modules/serviceworkers/ServiceWorkerGlobalScopeClient.h"
+#include "wtf/Forward.h"
+#include "wtf/RefCounted.h"
+
+namespace WebCore {
+
+class ExecutionContext;
+class ScriptState;
+class ScriptValue;
+
+// Created for each InstallPhaseEvent instance.
+class WaitUntilObserver FINAL :
+    public ContextLifecycleObserver,
+    public RefCounted<WaitUntilObserver> {
+public:
+    enum EventType {
+        Activate,
+        Install
+    };
+
+    static PassRefPtr<WaitUntilObserver> create(ExecutionContext*, EventType, int eventID);
+
+    ~WaitUntilObserver();
+
+    // Must be called before and after dispatching the event.
+    void willDispatchEvent();
+    void didDispatchEvent();
+
+    // Observes the promise and delays calling the continuation until
+    // the given promise is resolved or rejected.
+    void waitUntil(ScriptState*, const ScriptValue&);
+
+private:
+    class ThenFunction;
+
+    WaitUntilObserver(ExecutionContext*, EventType, int eventID);
+
+    void reportError(const ScriptValue&);
+
+    void incrementPendingActivity();
+    void decrementPendingActivity();
+
+    EventType m_type;
+    int m_eventID;
+    int m_pendingActivity;
+    bool m_hasError;
+};
+
+} // namespace WebCore
+
+#endif // WaitUntilObserver_h