<#@ assembly name="System.Core" #>

<#@ import namespace="System.Linq" #>

<#@ import namespace="System.Text" #>

<#@ import namespace="System.Text.RegularExpressions" #>

<#@ import namespace="System.Collections.Generic" #>

<#

// On metadata view of the Activity and FragmentActivity classes, use the regex: (^\s*(//|\[).*\r\n|\[\w+\])

// Then keep only methods which are required (currently all the "OnXXXX" expect (Create|Prepare)Dialog (Obsolete) and OnRetainNonConfigurationInstance (sealed))

// If you want to exclude a method, you can prefix its line with "//"

// If you have a namespace clash (eg. Context in OnCreateView) you can use FQN (eg. Android.Content.Context)

// Line which does not contains the "virtual" keyword will be ignored.

var overridableMethods = @"

// FragmentActivity

public virtual void OnRequestPermissionsResult(int requestCode, string[] permissions, Permission[] grantResults);RequestPermissionsResultWithResults

public virtual void OnAttachFragment(Fragment fragment);

protected override void OnCreate(Bundle savedInstanceState);

public override View OnCreateView(View parent, string name, Context context, IAttributeSet attrs);CreateViewWithParent

public override View OnCreateView(string name, Context context, IAttributeSet attrs);

protected virtual bool OnPrepareOptionsPanel(View view, IMenu menu);

// Removed because support 25 does not include this method anymore.

// public virtual void OnRequestPermissionsResult(int requestCode, string[] permissions);

protected virtual void OnResumeFragments();

public virtual Java.Lang.Object OnRetainCustomNonConfigurationInstance();

//public override sealed Java.Lang.Object OnRetainNonConfigurationInstance();

public virtual void OnStateNotSaved();

// Activity

public virtual void OnActionModeFinished(ActionMode mode);

public virtual void OnActionModeStarted(ActionMode mode);

public virtual void OnActivityReenter(int resultCode, Intent data);

protected virtual void OnActivityResult(int requestCode, Result resultCode, Intent data);

public virtual void OnAttachedToWindow();

public virtual void OnAttachFragment(Fragment fragment);

public virtual void OnBackPressed();

protected virtual void OnChildTitleChanged(Activity childActivity, ICharSequence title);

protected void OnChildTitleChanged(Activity childActivity, string title);

public virtual void OnConfigurationChanged(Configuration newConfig);

public virtual void OnContentChanged();

public virtual bool OnContextItemSelected(IMenuItem item);

public virtual void OnContextMenuClosed(IMenu menu);

protected virtual void OnCreate(Bundle savedInstanceState);

public virtual void OnCreate(Bundle savedInstanceState, PersistableBundle persistentState);CreateWithPersistedState

public virtual void OnCreateContextMenu(IContextMenu menu, View v, IContextMenuContextMenuInfo menuInfo);

public virtual ICharSequence OnCreateDescriptionFormatted();

public string OnCreateDescription();

//protected virtual Dialog OnCreateDialog(int id);

//protected virtual Dialog OnCreateDialog(int id, Bundle args);

public virtual void OnCreateNavigateUpTaskStack(TaskStackBuilder builder);

public virtual bool OnCreateOptionsMenu(IMenu menu);

public virtual bool OnCreatePanelMenu(int featureId, IMenu menu);

public virtual View OnCreatePanelView(int featureId);

public virtual bool OnCreateThumbnail(Bitmap outBitmap, Canvas canvas);

public virtual View OnCreateView(View parent, string name, Android.Content.Context context, IAttributeSet attrs);CreateViewWithParent

public virtual View OnCreateView(string name, Android.Content.Context context, IAttributeSet attrs);

protected virtual void OnDestroy();

public virtual void OnDetachedFromWindow();

public virtual void OnEnterAnimationComplete();

public virtual bool OnGenericMotionEvent(MotionEvent e);

public virtual bool OnKeyDown( Keycode keyCode, KeyEvent e);

public virtual bool OnKeyLongPress( Keycode keyCode, KeyEvent e);

public virtual bool OnKeyMultiple( Keycode keyCode, int repeatCount, KeyEvent e);

public virtual bool OnKeyShortcut( Keycode keyCode, KeyEvent e);

public virtual bool OnKeyUp( Keycode keyCode, KeyEvent e);

public virtual void OnLowMemory();

public virtual bool OnMenuOpened(int featureId, IMenu menu);

public virtual bool OnNavigateUp();

public virtual bool OnNavigateUpFromChild(Activity child);

protected virtual void OnNewIntent(Intent intent);

public virtual bool OnOptionsItemSelected(IMenuItem item);

public virtual void OnOptionsMenuClosed(IMenu menu);

public virtual void OnPanelClosed(int featureId, IMenu menu);

protected virtual void OnPause();

protected virtual void OnPostCreate(Bundle savedInstanceState);

public virtual void OnPostCreate(Bundle savedInstanceState, PersistableBundle persistentState);PostCreateWithPersistedState

protected virtual void OnPostResume();

//protected virtual void OnPrepareDialog(int id, Dialog dialog);

//protected virtual void OnPrepareDialog(int id, Dialog dialog, Bundle args);

public virtual void OnPrepareNavigateUpTaskStack(TaskStackBuilder builder);

public virtual bool OnPrepareOptionsMenu(IMenu menu);

public virtual bool OnPreparePanel(int featureId, View view, IMenu menu);

public virtual void OnProvideAssistData(Bundle data);

protected virtual void OnRestart();

protected virtual void OnRestoreInstanceState(Bundle savedInstanceState);

public virtual void OnRestoreInstanceState(Bundle savedInstanceState, PersistableBundle persistentState);RestoreInstanceStateWithPersistedState

protected virtual void OnResume();

//public virtual Java.Lang.Object OnRetainNonConfigurationInstance();

protected virtual void OnSaveInstanceState(Bundle outState);

public virtual void OnSaveInstanceState(Bundle outState, PersistableBundle outPersistentState);SaveInstanceStateWithPersistedState

public virtual bool OnSearchRequested();

protected virtual void OnStart();

protected virtual void OnStop();

protected virtual void OnTitleChanged(ICharSequence title, Color color);

protected void OnTitleChanged(string title, Color color);

public virtual bool OnTouchEvent(MotionEvent e);

public virtual bool OnTrackballEvent(MotionEvent e);

public virtual void OnTrimMemory( TrimMemory level);

public virtual void OnUserInteraction();

protected virtual void OnUserLeaveHint();

public virtual void OnVisibleBehindCanceled();

public virtual void OnWindowAttributesChanged(WindowManagerLayoutParams @params);

public virtual void OnWindowFocusChanged(bool hasFocus);

public virtual ActionMode OnWindowStartingActionMode(ActionMode.ICallback callback);

";

#>

#pragma warning disable

using System;

using Android.App;

using Android.Content;

using Android.Content.PM;

using Android.Content.Res;

using Android.Graphics;

using Android.OS;

using Android.Util;

using Android.Views;

using Java.Lang;

namespace Uno.UI

{

partial class BaseActivity

{

<#

var methodRegex = new Regex(@"(?<modifiers>[\s\w]+)\s+(?<return>[\w\.]+)\s+(?<name>\w+)\((?<parameters>[^\)]*)\)(;(?<nameOverride>.*))?");

//var parametersRegex = new Regex(@"")

var methods = overridableMethods

.Split('\r', '\n')

.Where(line => !string.IsNullOrWhiteSpace(line) && !line.Trim().StartsWith("//") && line.Contains("virtual"))

.Distinct()

.Select(method =>

{

var match = methodRegex.Match(method);

return new

{

modifiers = match.Groups["modifiers"].Value.Trim(),

returnType = match.Groups["return"].Value,

name = match.Groups["name"].Value,

nameOverride = match.Groups["nameOverride"].Value,

parameters = match.Groups["parameters"].Value

};

})

.OrderBy(method => method.name)

.ThenBy(method => method.parameters.Length);

foreach(var method in methods)

{

var name = string.IsNullOrEmpty(method.nameOverride)

? method.name.Replace("On", "")

: method.nameOverride;

var parameters = method.parameters

.Split(',')

.Where(parameter => !string.IsNullOrWhiteSpace(parameter))

.Select(parameter =>

{

var p = parameter.Split(' ').Where(part => !string.IsNullOrWhiteSpace(part));

return new

{

type = p.FirstOrDefault() ?? "NOT_FOUND",

name = p.LastOrDefault() ?? "NOT_FOUND"

};

})

.ToArray();

var baseParameters = string.Join(",", parameters.Select(p => p.name));

string type, value;

if (parameters.Length == 0)

{

type = "";

value = "";

}

else if (parameters.Length == 1)

{

type = parameters[0].type;

value = parameters[0].name;

}

else

{

type = name + "EventArgs";

value = "new " + name + "EventArgs(" + baseParameters + ")";

//type = $"System.Tuple<{string.Join(", ", parameters.Select(p => p.type))}>";

//value = $"System.Tuple.Create({string.Join(", ", parameters.Select(p => p.name))})";

#>

public class <#= name#>EventArgs

{

public <#= name#>EventArgs(<#= method.parameters #>)

{

<# foreach(var parameter in parameters) { #>

<#= char.ToUpper(parameter.name[0]) + parameter.name.Substring(1) #> = <#= parameter.name#>;

<# } #>

}

<# foreach(var parameter in parameters) { #>

public <#= parameter.type #> <#= char.ToUpper(parameter.name[0]) + parameter.name.Substring(1) #> { get; }

<# } #>

}

<#

}

if(!string.IsNullOrEmpty(type))

{

#>

/// <summary>

/// Occurs when <see cref="<#= method.name #>"/> is invoked on the activity.

/// </summary>

public event EventHandler<<#= type #>> <#= name #>;

<#

}

else

{

#>

/// <summary>

/// Occurs when <see cref="<#= method.name #>"/> is invoked on the activity.

/// </summary>

public event EventHandler <#= name #>;

<#

}

#>

<#= method.modifiers.Replace("virtual", "override") #> <#= method.returnType #> <#= method.name #>(<#= method.parameters #>)

{

var handler = <#= name #>;

if (handler != null)

{

handler.Invoke(this, <#= string.IsNullOrEmpty(value) ? "EventArgs.Empty" : value #>);

}

Inner<#= name#>(<#= baseParameters #>);

<#= method.returnType == "void" ? "" : "return" #> base.<#= method.name #>(<#= baseParameters #>);

}

partial void Inner<#= name#>(<#= method.parameters #>);

<#

} // foreach

#>

}

}