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// DisplayBindingService.cs
//
// Author:
// Mike Krüger <mkrueger@novell.com>
//
// Copyright (C) 2009 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Linq;
using System.Collections.Generic;
using Mono.Addins;
using MonoDevelop.Ide.Codons;
using MonoDevelop.Core;
using MonoDevelop.Projects;
namespace MonoDevelop.Ide.Gui
{
public static class DisplayBindingService
{
static IEnumerable<T> GetBindings<T> ()
{
return AddinManager.GetExtensionObjects ("/MonoDevelop/Ide/DisplayBindings")
.OfType<T> ();
}
internal static IEnumerable<IDisplayBinding> GetDisplayBindings (FilePath filePath, string mimeType, Project ownerProject)
{
if (mimeType == null && !filePath.IsNullOrEmpty)
mimeType = DesktopService.GetMimeTypeForUri (filePath);
foreach (var b in GetBindings<IDisplayBinding> ()) {
if (b.CanHandle (filePath, mimeType, ownerProject))
yield return b;
}
}
public static IViewDisplayBinding GetDefaultViewBinding (FilePath filePath, string mimeType, Project ownerProject)
{
return GetDisplayBindings (filePath, mimeType, ownerProject).OfType<IViewDisplayBinding> ()
.FirstOrDefault (d => d.CanUseAsDefault);
}
public static IDisplayBinding GetDefaultBinding (FilePath filePath, string mimeType, Project ownerProject)
{
return GetDisplayBindings (filePath, mimeType, ownerProject).FirstOrDefault (d => d.CanUseAsDefault);
}
public static void AttachSubWindows (IWorkbenchWindow workbenchWindow)
{
foreach (var b in GetBindings<IAttachableDisplayBinding> ()) {
if (b.CanAttachTo (workbenchWindow.ViewContent))
workbenchWindow.AttachViewContent (b.CreateViewContent (workbenchWindow.ViewContent));
}
}
public static IEnumerable<FileViewer> GetFileViewers (FilePath filePath, Project ownerProject)
{
string mimeType = DesktopService.GetMimeTypeForUri (filePath);
var viewerIds = new HashSet<string> ();
foreach (var b in GetDisplayBindings (filePath, mimeType, ownerProject)) {
var vb = b as IViewDisplayBinding;
if (vb != null) {
yield return new FileViewer (vb);
} else {
var eb = (IExternalDisplayBinding) b;
var app = eb.GetApplication (filePath, mimeType, ownerProject);
if (viewerIds.Add (app.Id))
yield return new FileViewer (app);
}
}
foreach (var app in DesktopService.GetApplications (filePath))
if (viewerIds.Add (app.Id))
yield return new FileViewer (app);
}
}
//dummy binding, anchor point for extension tree
class DefaultDisplayBinding : IViewDisplayBinding
{
public IViewContent CreateContent (FilePath fileName, string mimeType, Project ownerProject)
{
throw new InvalidOperationException ();
}
public string Name {
get { return null; }
}
public bool CanHandle (FilePath fileName, string mimeType, Project ownerProject)
{
return false;
}
public bool CanUseAsDefault {
get { return false; }
}
}
}
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