WmlPhoneCallAdapter.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Adapters / WmlPhoneCallAdapter.cs / 1305376 / WmlPhoneCallAdapter.cs

                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

using System; 
using System.Diagnostics; 
using System.IO;
using System.Web; 
using System.Web.UI;
using System.Web.UI.MobileControls;
using System.Security.Permissions;
using System.Globalization; 

#if COMPILING_FOR_SHIPPED_SOURCE 
namespace System.Web.UI.MobileControls.ShippedAdapterSource 
#else
namespace System.Web.UI.MobileControls.Adapters 
#endif

{
 
    /*
     * WmlPhoneCallAdapter class. 
     * 
     * Copyright (c) 2000 Microsoft Corporation
     */ 
    /// 
    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    [Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")] 
    public class WmlPhoneCallAdapter : WmlControlAdapter
    { 
        ///  
        protected new PhoneCall Control
        { 
            get
            {
                return (PhoneCall)base.Control;
            } 
        }
 
        ///  
        public override void Render(WmlMobileTextWriter writer)
        { 
            String text, url, phoneNumber;
            String controlText = Control.Text;

            // Always strip off optional separators for PhoneNumber before it 
            // is added in markup.
 
            String originalNumber = Control.PhoneNumber; 
            char[] plainNumber = new char[originalNumber.Length];  // allocate enough buffer size
 
            // Loop to strip out optional separators
            int sizeOfPlainNumber = 0;
            foreach (char ch in originalNumber)
            { 
                if ((ch >= '0' && ch <= '9') || ch == '+')
                { 
                    plainNumber[sizeOfPlainNumber] = ch; 
                    sizeOfPlainNumber++;
                } 
            }

            // Assign the number string with the right size
            phoneNumber = new String(plainNumber, 0, sizeOfPlainNumber); 

            // Construct text and url based on device capabilities 
            // 
            if (!Device.CanInitiateVoiceCall)
            { 
                text = String.Format(CultureInfo.InvariantCulture, Control.AlternateFormat,
                                     controlText,
                                     originalNumber);
                url = Control.AlternateUrl; 
            }
            else 
            { 
                // Some WML browsers require the phone number
                // showing as text so it can be selected.  If it is not 
                // formatted in the text yet, append it to the end of the
                // text.
                if(Device.RequiresPhoneNumbersAsPlainText)
                { 
                    text = controlText + " " + phoneNumber;
                    url = String.Empty; 
                } 
                else
                { 
                    text = (controlText == null || controlText.Length > 0) ?
                                controlText : originalNumber;
                    url = "wtai://wp/mc;" + phoneNumber;
                } 
            }
 
            // Write out plain text or corresponding link/softkey command 
            // accordingly
            // 
            writer.EnterStyle(Style);
            if (url.Length == 0)
            {
                writer.RenderText(text, Control.BreakAfter); 
            }
            else 
            { 
                String softkeyLabel = Control.SoftkeyLabel;
                bool implicitSoftkeyLabel = false; 
                if (softkeyLabel.Length == 0)
                {
                    implicitSoftkeyLabel = true;
                    softkeyLabel = text; 
                }
                if (!writer.IsValidSoftkeyLabel(softkeyLabel)) 
                { 
                    if (!implicitSoftkeyLabel && softkeyLabel.Length > 0)
                    { 
                        softkeyLabel = softkeyLabel.Substring(0, Device.MaximumSoftkeyLabelLength);
                    }
                    else
                    { 
                        implicitSoftkeyLabel = true;
                        softkeyLabel = GetDefaultLabel(CallLabel); 
                    } 
                }
                RenderBeginLink(writer, url, softkeyLabel, implicitSoftkeyLabel, true); 
                writer.RenderText(text);
                RenderEndLink(writer, url, Control.BreakAfter);
            }
            writer.ExitStyle(Style); 
        }
 
    } 

} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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