tizen 2.3 releasetizen_2.3_releasesubmit/tizen_2.3/20150202.074142tizen_2.3

1 files changed, 115 insertions, 0 deletions

diff --git a/src/CommonsJavaScript/JSPendingOperationPrivateObject.h b/src/CommonsJavaScript/JSPendingOperationPrivateObject.h
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+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+/*
+ * @author      Karol Majewski (k.majewski@samsung.com)
+ * @version     0.1
+ * @brief
+ */
+
+#ifndef WRTDEVICEAPIS_COMMONSJAVASCRIPT_JS_PENDING_OPERATION_PRIVATE_OBJECT_H_
+#define WRTDEVICEAPIS_COMMONSJAVASCRIPT_JS_PENDING_OPERATION_PRIVATE_OBJECT_H_
+
+#include <cassert>
+#include <dpl/log/wrt_log.h>
+#include <memory>
+#include <Commons/EventReceiver.h>
+#include <Commons/IExternEventCanceler.h>
+#include <Commons/IEvent.h>
+
+namespace WrtDeviceApis {
+namespace CommonsJavaScript {
+class IJSPendingOperationPrivateObject
+{
+  public:
+    explicit IJSPendingOperationPrivateObject(
+        const std::shared_ptr<Commons::IEventController>
+        &event) :
+        m_event(event)
+    {
+        assert(NULL != m_event.get());
+    }
+
+    virtual bool cancel()
+    {
+        WrtLogD("PendingOperation tries to cancel the request");
+        return m_event->cancelRequest();
+    }
+
+    virtual ~IJSPendingOperationPrivateObject()
+    {}
+
+  protected:
+    std::shared_ptr<Commons::IEventController> m_event;
+};
+
+/*
+ * This class implements private object for JavaScript PendingOperation
+ * with support to external cancel function.
+ *
+ * When the cancel() method is invoked on PendingOperation,
+ * the OnCancelEvent(<EventType>) method is invoked on user object
+ * with apropriate * arguments.
+ * It allows user to perform an additional action when PendingOperation
+ * is destroyed.
+ *
+ * The Object which want to handle OnCancelEvent have to inherit from
+ * Platform::IExternEventCanceler<EventType>.
+ *
+ * The cancel's handler have to be passed as second argument
+ * */
+template<class TemplateEvent>
+class IJSExtCancelPendingOperationPrivateObject :
+    public IJSPendingOperationPrivateObject
+{
+  public:
+    IJSExtCancelPendingOperationPrivateObject(
+        const std::shared_ptr< TemplateEvent> &event,
+        const std::shared_ptr<
+            Commons::IExternEventCanceler<TemplateEvent> > & cancel) :
+        IJSPendingOperationPrivateObject(
+            std::static_pointer_cast<Commons::IEventController>(event)),
+        m_canceler(cancel)
+    {
+        assert(NULL != m_canceler);
+    }
+
+    virtual bool cancel()
+    {
+        bool result = IJSPendingOperationPrivateObject::cancel();
+        if (!result) {
+            WrtLogD("Controller can not cancel event, trying platform cancel");
+        } else {
+            return result;
+        }
+
+        if (m_canceler) {
+            WrtLogD("Calling extern cancel");
+            m_canceler->OnCancelEvent(
+                std::static_pointer_cast<TemplateEvent>(m_event));
+        }
+
+        return result;
+    }
+
+    virtual ~IJSExtCancelPendingOperationPrivateObject()
+    {}
+
+  protected:
+    std::shared_ptr< Commons::IExternEventCanceler<TemplateEvent> > m_canceler;
+};
+}
+}
+#endif /* _JS_WAC_PENDING_OPERATION_PRIVATE_OBJECT_H_ */