/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.widgetideas.client.impl;

import com.google.gwt.user.client.*;
import com.google.gwt.widgetideas.client.*;

/**
 * Safari implementation of {@link GlassPanelImpl}.
 */
public class GlassPanelImplSafari extends GlassPanelImplStandard {
    private static native void implMatchDocumentSize( Element elem )
        /*-{
            var scrollWidth = @com.google.gwt.widgetideas.client.impl.GlassPanelImpl::getWindowScrollWidth()();
            var scrollHeight = @com.google.gwt.widgetideas.client.impl.GlassPanelImpl::getWindowScrollHeight()();

            var width = Math.max( $wnd.innerWidth, scrollWidth );
            var height = Math.max( $wnd.innerHeight, scrollHeight );

            var computedStyle = $doc.defaultView.getComputedStyle( $doc.documentElement, null );
            var marginLeft = parseInt( computedStyle.getPropertyValue( "margin-left" ) );
            var marginTop = parseInt( computedStyle.getPropertyValue( "margin-top" ) );

            // TODO Verify 'negative HTML element margins' case
            elem.style.marginLeft = -marginLeft + "px";
            elem.style.marginTop = -marginTop + "px";

            elem.style.width = (width + marginLeft) + "px";
            elem.style.height = (height + marginTop) + "px";
        }-*/;

    // TODO remove once GWT issue 1981 is fixed
    // http://code.google.com/p/google-web-toolkit/issues/detail?id=1981
    @Override
    public native boolean isCSS1Compat()
    /*-{
        // Safari does not implement $doc.compatMode.
        // Use a CSS test to determine rendering mode.
        var elem = $doc.createElement( 'div' );
        elem.style.cssText = "width:0px;width:1";
        return parseInt( elem.style.width ) != 1;
    }-*/;

    @Override
    public void matchDocumentSize( GlassPanel glassPanel, boolean dueToResize ) {
        implMatchDocumentSize( glassPanel.getElement() );
    }
}