2 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the License);
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 using System.Runtime.InteropServices;
20 namespace Tizen.Applications
23 /// Represents a wrapper class for an unmanaged bundle handle.
25 /// <since_tizen> 3 </since_tizen>
26 public sealed class SafeBundleHandle : SafeHandle
29 /// Initializes a new instance of the SafeBundleHandle class.
31 /// <since_tizen> 3 </since_tizen>
32 public SafeBundleHandle() : base(IntPtr.Zero, true)
37 /// Initializes a new instance of the SafeBundleHandle class.
39 /// <param name="existingHandle">An IntPtr object that represents the pre-existing handle to use.</param>
40 /// <param name="ownsHandle">true to reliably release the handle during the finalization phase; false to prevent reliable release.</param>
41 /// <since_tizen> 3 </since_tizen>
42 public SafeBundleHandle(IntPtr existingHandle, bool ownsHandle) : base(IntPtr.Zero, ownsHandle)
44 SetHandle(existingHandle);
48 /// Gets a value that indicates whether the handle is invalid.
50 /// <since_tizen> 3 </since_tizen>
51 public override bool IsInvalid
53 get { return this.handle == IntPtr.Zero; }
57 /// When overridden in a derived class, executes the code required to free the handle.
59 /// <returns>true if the handle is released successfully.</returns>
60 protected override bool ReleaseHandle()
62 _ = Interop.Bundle.DangerousFree(this.handle);
63 this.SetHandle(IntPtr.Zero);