diff -r 4d198a32ac7d -r d4809db37847 plugins/org.symbian.tools.tmw.previewer/src/org/symbian/tools/tmw/previewer/preview/AbstractPreviewPage.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/org.symbian.tools.tmw.previewer/src/org/symbian/tools/tmw/previewer/preview/AbstractPreviewPage.java	Thu Aug 19 17:48:04 2010 -0700
@@ -0,0 +1,230 @@
+package org.symbian.tools.tmw.previewer.preview;
+
+import java.net.URI;
+import java.util.Collection;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.action.IToolBarManager;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.swt.browser.Browser;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.ui.actions.ActionFactory;
+import org.eclipse.ui.part.IPageSite;
+import org.eclipse.ui.part.Page;
+import org.symbian.tools.tmw.core.utilities.CoreUtil;
+import org.symbian.tools.tmw.previewer.Images;
+import org.symbian.tools.tmw.previewer.PreviewerPlugin;
+
+public abstract class AbstractPreviewPage extends Page implements IPreviewPage,
+		ISelectionProvider {
+	private final IAction refreshAction = new Action("Refresh") {
+		public void run() {
+			refresh(true);
+		};
+	};
+	private final IAction toggleRefresh = new Action("Toggle Refresh",
+			IAction.AS_RADIO_BUTTON) {
+		public void run() {
+			toggleRefresh();
+		};
+	};
+
+	protected IProject project;
+	private Browser browser;
+	private boolean toggleState = true;
+	private final PreviewView previewView;
+	private boolean needsRefresh = false;
+
+	public AbstractPreviewPage(IProject project, PreviewView previewView) {
+		this.project = project;
+		this.previewView = previewView;
+	}
+
+	protected void toggleRefresh() {
+		toggleState = !toggleState;
+		toggleRefresh.setChecked(toggleState);
+		previewView.setProjectAutorefresh(project, toggleState);
+		toggleRefresh.setToolTipText(getToggleActionTooltip());
+		if (toggleState && needsRefresh) {
+			refresh(true);
+		}
+	}
+
+	@Override
+	public void createControl(Composite parent) {
+		browser = createBrowser(parent);
+		browser.setLayoutData(new GridData(GridData.FILL_BOTH));
+		browser.setUrl(getURI().toASCIIString());
+	}
+
+	protected abstract Browser createBrowser(Composite parent);
+
+	private URI getURI() {
+		return PreviewerPlugin.getDefault().getHttpPreviewer().previewProject(
+				project, null);
+	}
+
+	@Override
+	public Control getControl() {
+		return browser;
+	}
+
+	@Override
+	public void setFocus() {
+		if (browser != null && !browser.isDisposed()) {
+			browser.setFocus();
+		}
+	}
+
+	private boolean refreshScheduled = false;
+
+	public synchronized void process(Collection<IFile> files) {
+		if (!isDisposed() && !refreshScheduled && needsRefresh(files)) {
+			asyncExec(new Runnable() {
+				public void run() {
+					refreshBrowser();
+				}
+			});
+			refreshScheduled = true;
+		}
+	}
+
+	protected void promptIfNeeded() {
+		if (toggleState) {
+			toggleState = previewView.promptUserToToggle(project, toggleState);
+			toggleRefresh.setChecked(toggleState);
+		}
+	}
+
+	private void asyncExec(Runnable runnable) {
+		getControl().getDisplay().asyncExec(runnable);
+	}
+
+	private boolean needsRefresh(Collection<IFile> files) {
+		for (IFile iFile : files) {
+			if (iFile.getProject().equals(project)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	protected synchronized void refresh(final boolean manual) {
+		try {
+			if (!isDisposed()) {
+				final Control focusControl = browser.getDisplay()
+						.getFocusControl();
+				if (manual && CoreUtil.isMac()) {
+					browser.getParent().forceFocus();
+				}
+				browser.setUrl(getURI().toASCIIString());
+				refreshAction.setImageDescriptor(PreviewerPlugin
+						.getImageDescriptor(Images.GREEN_SYNC));
+				asyncExec(new Runnable() {
+					public void run() {
+						if (!manual && focusControl != null) {
+							focusControl.setFocus();
+						} else if (manual) {
+							browser.forceFocus();
+						}
+					}
+				});
+				refreshAction.setToolTipText("Refresh the preview browser");
+			}
+			needsRefresh = false;
+		} finally {
+			refreshScheduled = false;
+		}
+	}
+
+	@Override
+	public void init(IPageSite pageSite) {
+		super.init(pageSite);
+		IToolBarManager toolBar = pageSite.getActionBars().getToolBarManager();
+
+		contributeToToolbar(toolBar);
+
+		refreshAction.setImageDescriptor(PreviewerPlugin
+				.getImageDescriptor(Images.GREEN_SYNC));
+		refreshAction.setToolTipText("Refresh the preview browser");
+		toolBar.add(refreshAction);
+
+		toggleState = previewView.getProjectAutorefresh(project);
+
+		toggleRefresh.setImageDescriptor(PreviewerPlugin
+				.getImageDescriptor(Images.YELLOW_SYNC));
+		toggleRefresh.setToolTipText(getToggleActionTooltip());
+		toggleRefresh.setChecked(toggleState);
+		toolBar.add(toggleRefresh);
+
+		pageSite.getActionBars().setGlobalActionHandler(
+				ActionFactory.REFRESH.getId(), refreshAction);
+		getSite().setSelectionProvider(this);
+	}
+
+	protected void contributeToToolbar(IToolBarManager toolBar) {
+		// Do nothing here
+	}
+
+	private String getToggleActionTooltip() {
+		return toggleState ? "Disable preview autorefresh"
+				: "Enable preview autorefresh";
+	}
+
+	public void addSelectionChangedListener(ISelectionChangedListener listener) {
+		// Do nothing
+	}
+
+	public ISelection getSelection() {
+		return new StructuredSelection(project);
+	}
+
+	public void removeSelectionChangedListener(
+			ISelectionChangedListener listener) {
+		// Do nothing
+	}
+
+	public void setSelection(ISelection selection) {
+		// Do nothing
+	}
+
+	public boolean isDisposed() {
+		return browser != null && browser.isDisposed();
+	}
+
+	private synchronized void refreshBrowser() {
+		if (toggleState) {
+			promptIfNeeded();
+		}
+		if (toggleState) {
+			refresh(false);
+		} else {
+			needsRefresh = true;
+			refreshAction.setImageDescriptor(PreviewerPlugin
+					.getImageDescriptor(Images.RED_SYNC));
+			refreshAction
+					.setToolTipText("Refresh the preview browser (there are updated files)");
+		}
+	}
+
+	public IProject getProject() {
+		return project;
+	}
+
+	public synchronized void projectRenamed(IPath newPath) {
+		if (!isDisposed()) {
+			project = ResourcesPlugin.getWorkspace().getRoot().getProject(
+					newPath.lastSegment());
+		}
+	}
+}