src/ElmSharp.Wearable/ElmSharp.Wearable/CircleScroller.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
  19 namespace ElmSharp.Wearable
  20 {
  21     /// <summary>
  22     /// Circle scroller provides scrollbar with circular movement and is scrolled by rotary event.
  23     /// </summary>
  24     public class CircleScroller : Scroller
  25     {
  26         private IntPtr _circleHandle;
  27
  28         /// <summary>
  29         /// Creates and initializes a new instance of the CircleScroller class.
  30         /// </summary>
  31         /// <param name="parent">The <see cref="EvasObject"/> to which the new CircleScroller will be attached as a child.</param>
  32         public CircleScroller(EvasObject parent) : base(parent)
  33         {
  34         }
  35
  36         /// <summary>
  37         /// Sets or gets disabled state of the circle scroller object.
  38         /// </summary>
  39         public bool Disabled
  40         {
  41             get
  42             {
  43                 return Interop.Eext.eext_circle_object_disabled_get(_circleHandle); ;
  44             }
  45             set
  46             {
  47                 Interop.Eext.eext_circle_object_disabled_set(_circleHandle, value);
  48             }
  49         }
  50
  51         /// <summary>
  52         /// Sets or gets the value of HorizontalScrollBarVisiblePolicy
  53         /// </summary>
  54         /// <remarks>
  55         /// ScrollBarVisiblePolicy.Auto means the horizontal scrollbar is made visible if it is needed, and otherwise kept hidden.
  56         /// ScrollBarVisiblePolicy.Visible turns it on all the time, and ScrollBarVisiblePolicy.Invisible always keeps it off.
  57         /// </remarks>
  58         public override ScrollBarVisiblePolicy HorizontalScrollBarVisiblePolicy
  59         {
  60             get
  61             {
  62                 int policy;
  63                 Interop.Eext.eext_circle_object_scroller_policy_get(_circleHandle, out policy, IntPtr.Zero);
  64                 return (ScrollBarVisiblePolicy)policy;
  65             }
  66             set
  67             {
  68                 ScrollBarVisiblePolicy v = VerticalScrollBarVisiblePolicy;
  69                 Interop.Eext.eext_circle_object_scroller_policy_set(_circleHandle, (int)value, (int)v);
  70             }
  71         }
  72
  73         /// <summary>
  74         /// Sets or gets the value of VerticalScrollBarVisiblePolicy
  75         /// </summary>
  76         /// <remarks>
  77         /// ScrollBarVisiblePolicy.Auto means the vertical scrollbar is made visible if it is needed, and otherwise kept hidden.
  78         /// ScrollBarVisiblePolicy.Visible turns it on all the time, and ScrollBarVisiblePolicy.Invisible always keeps it off.
  79         /// </remarks>
  80         public override ScrollBarVisiblePolicy VerticalScrollBarVisiblePolicy
  81         {
  82             get
  83             {
  84                 int policy;
  85                 Interop.Eext.eext_circle_object_scroller_policy_get(_circleHandle, IntPtr.Zero, out policy);
  86                 return (ScrollBarVisiblePolicy)policy;
  87             }
  88             set
  89             {
  90                 ScrollBarVisiblePolicy h = HorizontalScrollBarVisiblePolicy;
  91                 Interop.Eext.eext_circle_object_scroller_policy_set(_circleHandle, (int)h, (int)value);
  92             }
  93         }
  94
  95         /// <summary>
  96         /// Sets or gets color of the vertical scroll bar.
  97         /// </summary>
  98         public Color VerticalScrollBarColor
  99         {
 100             get
 101             {
 102                 int r = 0;
 103                 int g = 0;
 104                 int b = 0;
 105                 int a = 0;
 106                 Interop.Eext.eext_circle_object_color_get(_circleHandle, out r, out g, out b, out a);
 107                 return Color.FromRgba(r, g, b, a);
 108             }
 109             set
 110             {
 111                 Interop.Eext.eext_circle_object_color_set(_circleHandle, value.R, value.G, value.B, value.A);
 112             }
 113         }
 114
 115         /// <summary>
 116         /// Sets or gets color of the horizontal scroll bar.
 117         /// </summary>
 118         public Color HorizontalScrollBarColor
 119         {
 120             get
 121             {
 122                 int r = 0;
 123                 int g = 0;
 124                 int b = 0;
 125                 int a = 0;
 126                 Interop.Eext.eext_circle_object_item_color_get(_circleHandle, "horizontal,scroll,bar", out r, out g, out b, out a);
 127                 return Color.FromRgba(r, g, b, a);
 128             }
 129             set
 130             {
 131                 Interop.Eext.eext_circle_object_item_color_set(_circleHandle, "horizontal,scroll,bar", value.R, value.G, value.B, value.A);
 132             }
 133         }
 134
 135         /// <summary>
 136         /// Sets or gets color of the vertical scroll background.
 137         /// </summary>
 138         public Color VerticalScrollBackgroundColor
 139         {
 140             get
 141             {
 142                 int r = 0;
 143                 int g = 0;
 144                 int b = 0;
 145                 int a = 0;
 146                 Interop.Eext.eext_circle_object_item_color_get(_circleHandle, "vertical,scroll,bg", out r, out g, out b, out a);
 147                 return Color.FromRgba(r, g, b, a);
 148             }
 149             set
 150             {
 151                 Interop.Eext.eext_circle_object_item_color_set(_circleHandle, "vertical,scroll,bg", value.R, value.G, value.B, value.A);
 152             }
 153         }
 154
 155         /// <summary>
 156         /// Sets or gets color of the horizontal scroll background.
 157         /// </summary>
 158         public Color HorizontalScrollBackgroundColor
 159         {
 160             get
 161             {
 162                 int r = 0;
 163                 int g = 0;
 164                 int b = 0;
 165                 int a = 0;
 166                 Interop.Eext.eext_circle_object_item_color_get(_circleHandle, "horizontal,scroll,bg", out r, out g, out b, out a);
 167                 return Color.FromRgba(r, g, b, a);
 168             }
 169             set
 170             {
 171                 Interop.Eext.eext_circle_object_item_color_set(_circleHandle, "horizontal,scroll,bg", value.R, value.G, value.B, value.A);
 172             }
 173         }
 174
 175         /// <summary>
 176         /// Sets or gets line width of the vertical scroll bar.
 177         /// </summary>
 178         public int VerticalScrollBarLineWidth
 179         {
 180             get
 181             {
 182                 return Interop.Eext.eext_circle_object_line_width_get(_circleHandle); ;
 183             }
 184             set
 185             {
 186                 Interop.Eext.eext_circle_object_line_width_set(_circleHandle, value);
 187             }
 188         }
 189
 190         /// <summary>
 191         /// Sets or gets line width of the horizontal scroll bar.
 192         /// </summary>
 193         public int HorizontalScrollBarLineWidth
 194         {
 195             get
 196             {
 197                 return Interop.Eext.eext_circle_object_item_line_width_get(_circleHandle, "horizontal,scroll,bar");
 198             }
 199             set
 200             {
 201                 Interop.Eext.eext_circle_object_item_line_width_set(_circleHandle, "horizontal,scroll,bar", value);
 202             }
 203         }
 204
 205         /// <summary>
 206         /// Sets or gets line width of the vertical scroll background.
 207         /// </summary>
 208         public int VerticalScrollBackgroundLineWidth
 209         {
 210             get
 211             {
 212                 return Interop.Eext.eext_circle_object_item_line_width_get(_circleHandle, "vertical,scroll,bg");
 213             }
 214             set
 215             {
 216                 Interop.Eext.eext_circle_object_item_line_width_set(_circleHandle, "vertical,scroll,bg", value);
 217             }
 218         }
 219
 220         /// <summary>
 221         /// Sets or gets line width of the horizontal scroll background.
 222         /// </summary>
 223         public int HorizontalScrollBackgroundLineWidth
 224         {
 225             get
 226             {
 227                 return Interop.Eext.eext_circle_object_item_line_width_get(_circleHandle, "horizontal,scroll,bg");
 228             }
 229             set
 230             {
 231                 Interop.Eext.eext_circle_object_item_line_width_set(_circleHandle, "horizontal,scroll,bg", value);
 232             }
 233         }
 234
 235         /// <summary>
 236         /// Sets or gets radius of the vertical scroll bar.
 237         /// </summary>
 238         public double VerticalScrollBarRadius
 239         {
 240             get
 241             {
 242                 return Interop.Eext.eext_circle_object_radius_get(_circleHandle); ;
 243             }
 244             set
 245             {
 246                 Interop.Eext.eext_circle_object_radius_set(_circleHandle, value);
 247             }
 248         }
 249
 250         /// <summary>
 251         /// Sets or gets radius of the horizontal scroll bar.
 252         /// </summary>
 253         public double HorizontalScrollBarRadius
 254         {
 255             get
 256             {
 257                 return Interop.Eext.eext_circle_object_item_radius_get(_circleHandle, "horizontal,scroll,bar"); ;
 258             }
 259             set
 260             {
 261                 Interop.Eext.eext_circle_object_item_radius_set(_circleHandle, "horizontal,scroll,bar", value);
 262             }
 263         }
 264
 265         /// <summary>
 266         /// Sets or gets radius of the vertical scroll background.
 267         /// </summary>
 268         public double VerticalScrollBackgroundRadius
 269         {
 270             get
 271             {
 272                 return Interop.Eext.eext_circle_object_item_radius_get(_circleHandle, "vertical,scroll,bg"); ;
 273             }
 274             set
 275             {
 276                 Interop.Eext.eext_circle_object_item_radius_set(_circleHandle, "vertical,scroll,bg", value);
 277             }
 278         }
 279
 280         /// <summary>
 281         /// Sets or gets radius of the horizontal scroll background.
 282         /// </summary>
 283         public double HorizontalScrollBackgroundRadius
 284         {
 285             get
 286             {
 287                 return Interop.Eext.eext_circle_object_item_radius_get(_circleHandle, "horizontal,scroll,bg"); ;
 288             }
 289             set
 290             {
 291                 Interop.Eext.eext_circle_object_item_radius_set(_circleHandle, "horizontal,scroll,bg", value);
 292             }
 293         }
 294
 295         protected override IntPtr CreateHandle(EvasObject parent)
 296         {
 297             IntPtr handle = base.CreateHandle(parent);
 298             IntPtr surface = IntPtr.Zero;
 299             if (parent is Conformant)
 300             {
 301                 surface = Interop.Eext.eext_circle_surface_conformant_add(parent);
 302             }
 303             else if (parent is Layout)
 304             {
 305                 surface = Interop.Eext.eext_circle_surface_layout_add(parent);
 306             }
 307             else if (parent is Naviframe)
 308             {
 309                 surface = Interop.Eext.eext_circle_surface_naviframe_add(parent.RealHandle);
 310             }
 311
 312             _circleHandle = Interop.Eext.eext_circle_object_scroller_add(RealHandle, surface);
 313             if (surface == IntPtr.Zero)
 314             {
 315                 EvasObject p = parent;
 316                 while (!(p is Window))
 317                 {
 318                     p = p.Parent;
 319                 }
 320                 var w = (p as Window).ScreenSize.Width;
 321                 var h = (p as Window).ScreenSize.Height;
 322                 Interop.Evas.evas_object_resize(_circleHandle, w, h);
 323             }
 324             Interop.Eext.eext_rotary_object_event_activated_set(_circleHandle, true);
 325             return handle;
 326         }
 327     }
 328 }