public void SetActiveSource(Source source, bool notify)
{
Banshee.Base.ThreadAssist.AssertInMainThread();
if (source == null || !source.CanActivate || active_source == source)
{
return;
}
if (active_source != null)
{
active_source.Deactivate();
}
active_source = source;
if (!notify)
{
source.Activate();
return;
}
SourceEventHandler handler = ActiveSourceChanged;
if (handler != null)
{
SourceEventArgs args = new SourceEventArgs();
args.Source = active_source;
handler(args);
}
source.Activate();
}
public void RemoveSource(Source source, bool recursivelyDispose)
{
if (source == null || !ContainsSource(source))
{
return;
}
if (source == default_source)
{
default_source = null;
}
source.Updated -= OnSourceUpdated;
source.ChildSourceAdded -= OnChildSourceAdded;
source.ChildSourceRemoved -= OnChildSourceRemoved;
sources.Remove(source);
foreach (Source child_source in source.Children)
{
RemoveSource(child_source, recursivelyDispose);
}
IDBusExportable exportable = source as IDBusExportable;
if (exportable != null)
{
ServiceManager.DBusServiceManager.UnregisterObject(exportable);
}
if (recursivelyDispose)
{
IDisposable disposable = source as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
Banshee.Base.ThreadAssist.ProxyToMain(delegate {
if (source == active_source)
{
SetActiveSource(default_source);
}
SourceEventHandler handler = SourceRemoved;
if (handler != null)
{
SourceEventArgs args = new SourceEventArgs();
args.Source = source;
handler(args);
}
});
}
private void OnSourceUpdated(object o, EventArgs args)
{
Banshee.Base.ThreadAssist.ProxyToMain(delegate {
SourceEventHandler handler = SourceUpdated;
if (handler != null)
{
SourceEventArgs evargs = new SourceEventArgs();
evargs.Source = o as Source;
handler(evargs);
}
});
}
protected virtual void OnChildSourceRemoved(Source source)
{
source.Updated -= OnChildSourceUpdated;
ThreadAssist.ProxyToMain(delegate {
SourceEventHandler handler = ChildSourceRemoved;
if (handler != null)
{
SourceEventArgs args = new SourceEventArgs();
args.Source = source;
handler(args);
}
});
}
public void StartDragAndDrop(View sourceView, View shadowView, DragData dragData, SourceEventHandler callback)
{
if (null == shadowView)
{
throw new ArgumentNullException(nameof(shadowView));
}
if (null == mDragWindow)
{
mDragWindow = new Window("DragWindow", new Rectangle(-shadowWidth, -shadowHeight, shadowWidth, shadowHeight), true)
{
BackgroundColor = Color.Transparent,
};
}
shadowView.SetSize(shadowWidth, shadowHeight);
shadowView.SetOpacity(0.9f);
mDragWindow.Add(shadowView);
mDragWindow.Show();
sourceEventCb = (sourceEventType) =>
{
callback((SourceEventType)sourceEventType);
};
if (!Interop.DragAndDrop.StartDragAndDrop(SwigCPtr, View.getCPtr(sourceView), Window.getCPtr(mDragWindow), dragData.MimeType, dragData.Data,
new global::System.Runtime.InteropServices.HandleRef(this, Marshal.GetFunctionPointerForDelegate <Delegate>(sourceEventCb))))
{
throw new InvalidOperationException("Fail to StartDragAndDrop");
}
}
public void RemoveSource(Source source, bool recursivelyDispose)
{
if (source == null || !ContainsSource(source))
{
return;
}
if (source == default_source)
{
default_source = null;
}
source.Updated -= OnSourceUpdated;
source.ChildSourceAdded -= OnChildSourceAdded;
source.ChildSourceRemoved -= OnChildSourceRemoved;
sources.Remove(source);
GroupSource associated_groupsource = FindAssociatedGroupSource(source.Order);
if (!GroupSourceHasMembers(associated_groupsource))
{
RemoveSource(associated_groupsource, recursivelyDispose);
}
foreach (Source child_source in source.Children)
{
RemoveSource(child_source, recursivelyDispose);
}
IDBusExportable exportable = source as IDBusExportable;
if (exportable != null)
{
ServiceManager.DBusServiceManager.UnregisterObject(exportable);
}
if (recursivelyDispose)
{
IDisposable disposable = source as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
ThreadAssist.ProxyToMain(delegate {
if (source == active_source)
{
if (source.Parent != null && source.Parent.CanActivate)
{
SetActiveSource(source.Parent);
}
else
{
SetActiveSource(default_source);
}
}
SourceEventHandler handler = SourceRemoved;
if (handler != null)
{
SourceEventArgs args = new SourceEventArgs();
args.Source = source;
handler(args);
}
});
}
public void StartDragAndDrop(View sourceView, View shadowView, DragData dragData, SourceEventHandler callback)
{
if (null == shadowView)
{
throw new ArgumentNullException(nameof(shadowView));
}
shadowWidth = (int)shadowView.Size.Width;
shadowHeight = (int)shadowView.Size.Height;
// Prevents shadowView size from being smaller than 100 pixel
if (shadowView.Size.Width < 100)
{
shadowWidth = 100;
}
if (shadowView.Size.Height < 100)
{
shadowHeight = 100;
}
if (null == mDragWindow)
{
mDragWindow = new Window("DragWindow", new Rectangle(-shadowWidth, -shadowHeight, shadowWidth, shadowHeight), true)
{
BackgroundColor = Color.Transparent,
};
}
//Initialize Drag Window Position and Size based on Shadow View Position and Size
mDragWindow.SetPosition(new Position2D((int)shadowView.Position.X, (int)shadowView.Position.Y));
mDragWindow.SetWindowSize(new Size(shadowWidth, shadowHeight));
//Make Shadow View Transparent
shadowView.SetOpacity(0.9f);
//Make Position 0, 0 for Moving into Drag Window
shadowView.Position = new Position(0, 0);
if (mShadowView)
{
mShadowView.Hide();
mDragWindow.Remove(mShadowView);
mShadowView.Dispose();
}
mShadowView = shadowView;
mDragWindow.Add(mShadowView);
//Update Window Directly
mDragWindow.VisibiltyChangedSignalEmit(true);
mDragWindow.RenderOnce();
sourceEventCb = (sourceEventType) =>
{
if ((SourceEventType)sourceEventType == SourceEventType.Finish)
{
if (mShadowView)
{
mShadowView.Hide();
mDragWindow.Remove(mShadowView);
mShadowView.Dispose();
}
//Update Window Directly
mDragWindow.VisibiltyChangedSignalEmit(true);
mDragWindow.RenderOnce();
}
callback((SourceEventType)sourceEventType);
};
if (!Interop.DragAndDrop.StartDragAndDrop(SwigCPtr, View.getCPtr(sourceView), Window.getCPtr(mDragWindow), dragData.MimeType, dragData.Data,
new global::System.Runtime.InteropServices.HandleRef(this, Marshal.GetFunctionPointerForDelegate <Delegate>(sourceEventCb))))
{
throw new InvalidOperationException("Fail to StartDragAndDrop");
}
mDragWindow.Show();
}
