src/Tizen.Maps/Tizen.Maps/Overlay.cs

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   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
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16
  17 using System;
  18 using EvasObject = ElmSharp.EvasObject;
  19
  20 namespace Tizen.Maps
  21 {
  22     public class Overlay : MapObject
  23     {
  24         private EvasObject _containedObject;
  25
  26         public Overlay(Geocoordinates coordinates, EvasObject objectToContain) : this(coordinates, objectToContain, Interop.ViewOverlayType.Normal)
  27         {
  28         }
  29
  30         internal Overlay(Interop.ViewObjectHandle nativeHandle) : base(nativeHandle)
  31         {
  32         }
  33
  34         internal Overlay(Geocoordinates coordinates, EvasObject objectToContain, Interop.ViewOverlayType type) : base(CreateNativeHandle(coordinates, objectToContain, type))
  35         {
  36             var err = Interop.ErrorCode.InvalidParameter;
  37             if (coordinates == null || objectToContain == null)
  38             {
  39                 err.ThrowIfFailed("given coordinates or parent evas object is null");
  40             }
  41
  42             _containedObject = objectToContain;
  43         }
  44
  45         public Geocoordinates Coordinates
  46         {
  47             get
  48             {
  49                 IntPtr nativeHandle;
  50                 Interop.ViewObject.OverlayGetCoordinates(handle, out nativeHandle);
  51                 return new Geocoordinates(nativeHandle);
  52             }
  53             set
  54             {
  55                 // Overlay takes ownership of the native handle.
  56                 IntPtr nativeHandle;
  57                 var err = Interop.Coordinates.Clone(value.handle, out nativeHandle);
  58                 err.WarnIfFailed("Failed to clone native handle for coordinates");
  59
  60                 Interop.CoordinatesHandle clonedHandle = new Interop.CoordinatesHandle(nativeHandle);
  61                 err = Interop.ViewObject.OverlaySetCoordinates(handle, clonedHandle);
  62                 if (err.WarnIfFailed("Failed to set coordinates to overlay"))
  63                 {
  64                     clonedHandle.ReleaseOwnership();
  65                 }
  66             }
  67         }
  68
  69         public int MinimumZoomLevel
  70         {
  71             get
  72             {
  73                 int value;
  74                 Interop.ViewObject.OverlayGetMinZoomLevel(handle, out value);
  75                 return value;
  76             }
  77             set
  78             {
  79                 Interop.ViewObject.OverlaySetMinZoomLevel(handle, value);
  80             }
  81         }
  82
  83         public int MaximumZoomLevel
  84         {
  85             get
  86             {
  87                 int value;
  88                 Interop.ViewObject.OverlayGetMaxZoomLevel(handle, out value);
  89                 return value;
  90             }
  91             set
  92             {
  93                 Interop.ViewObject.OverlaySetMaxZoomLevel(handle, value);
  94             }
  95         }
  96
  97         private static Interop.ViewObjectHandle CreateNativeHandle(Geocoordinates coordinates, EvasObject objectToContain, Interop.ViewOverlayType type)
  98         {
  99             if (coordinates == null || objectToContain == null) return new Interop.ViewObjectHandle(IntPtr.Zero);
 100
 101             IntPtr nativeHandle;
 102             var err = Interop.Coordinates.Clone(coordinates.handle, out nativeHandle);
 103             err.ThrowIfFailed("Failed to clone native handle for coordinates");
 104
 105             Interop.CoordinatesHandle clonedHandle = new Interop.CoordinatesHandle(nativeHandle);
 106             err = Interop.ViewObject.CreateOverlay(clonedHandle, objectToContain, type, out nativeHandle);
 107             err.ThrowIfFailed("Failed to create native handle for Overlay");
 108
 109             clonedHandle.ReleaseOwnership();
 110             return new Interop.ViewObjectHandle(nativeHandle);
 111         }
 112     }
 113
 114     public class BubbleOverlay : Overlay
 115     {
 116         public BubbleOverlay(Geocoordinates coordinates, EvasObject objectToContain) : base(coordinates, objectToContain, Interop.ViewOverlayType.Bubble)
 117         {
 118         }
 119     }
 120
 121     public class BoxOverlay : Overlay
 122     {
 123         public BoxOverlay(Geocoordinates coordinates, EvasObject objectToContain) : base(coordinates, objectToContain, Interop.ViewOverlayType.Box)
 124         {
 125         }
 126     }
 127 }