galleryBanner color and theme

fixes #25

resources/extension.vsixmanifest

@@ -8,6 +8,8 @@
     <GalleryFlags>Public</GalleryFlags>
     <Properties>
       <% if (links.repository) { %><Property Id="Microsoft.VisualStudio.Services.Links.Source" Value="${ links.repository }" /><% } %>
+      <% if (galleryBanner.color) { %><Property Id="Microsoft.VisualStudio.Services.Branding.Color" Value="${ galleryBanner.color }" /><% } %>
+      <% if (galleryBanner.theme) { %><Property Id="Microsoft.VisualStudio.Services.Branding.Theme" Value="${ galleryBanner.theme }" /><% } %>
     </Properties>
     <% if (license) { %><License>${ license }</License><% } %>
     <% if (icon) { %><Icon>${ icon }</Icon><% } %>

src/manifest.ts

@@ -16,6 +16,7 @@ export interface Manifest {
 	contributes?: { [contributionType: string]: any; };
 	activationEvents?: string[];
 	extensionDependencies?: string[];
+	galleryBanner?: { color?: string; theme?: string; };
 	_bundling?: { [name: string]: string; }[];
 	_testing?: string;
 

src/package.ts

@@ -81,7 +81,8 @@ class MainProcessor extends BaseProcessor {
 			publisher: manifest.publisher,
 			description: manifest.description || '',
 			tags: (manifest.keywords || []).concat('vscode').join(','),
-			links: { repository: manifest.repository }
+			links: { repository: manifest.repository },
+			galleryBanner: manifest.galleryBanner || {}
 		});
 	}
 	onFile(file: IFile): Promise<IFile> {

src/test/package.test.ts

@@ -272,6 +272,27 @@ describe('toVsixManifest', () => {
 				assert.equal(result.PackageManifest.Metadata[0].License[0], 'extension/thelicense.md');
 			});
 	});
+	
+	it('should understand gallery color and theme', () => {
+		const manifest = {
+			name: 'test',
+			publisher: 'mocha',
+			version: '0.0.1',
+			engines: Object.create(null),
+			galleryBanner: {
+				color: '#5c2d91',
+				theme: 'dark'
+			}
+		};
+
+		return toVsixManifest(manifest, [])
+			.then(xml => parseXml(xml))
+			.then(result => {
+				const properties = result.PackageManifest.Metadata[0].Properties[0].Property.map(p => p.$);
+				assert.ok(properties.some(p => p.Id === 'Microsoft.VisualStudio.Services.Branding.Color' && p.Value === '#5c2d91'));
+				assert.ok(properties.some(p => p.Id === 'Microsoft.VisualStudio.Services.Branding.Theme' && p.Value === 'dark'));
+			});
+	});
 });
 
 describe('toContentTypes', () => {