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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* 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 net.java.sip.communicator.impl.gui.main.call;
import java.awt.*;
import java.util.*;
import java.util.List;
/**
* Implements a <tt>LayoutManager</tt> for the full-screen <tt>Call</tt>
* display.
*
* @author Lyubomir Marinov
*/
public class FullScreenLayout
implements LayoutManager
{
public static final String CENTER = "CENTER";
public static final String SOUTH = "SOUTH";
private Component center;
/**
* The indicator which determines whether {@link #south} is to be laid out
* on top of {@link #center} i.e. as an overlay.
*/
private final boolean overlay;
private Component south;
/**
* The vertical gap between the center and the south components.
*/
private int yGap = 0;
/**
* Initializes a new <tt>FullScreenLayout</tt> instance.
*
* @param overlay <tt>true</tt> to lay out the <tt>Component</tt> at
* {@link #SOUTH} on top of the <tt>Component</tt> at {@link #CENTER} i.e as
* an overlay; otherwise, <tt>false</tt>
* @oaram yGap the gap betwen the center and the south component
*/
public FullScreenLayout(boolean overlay, int yGap)
{
this.overlay = overlay;
this.yGap = yGap;
}
/**
* Adds the given component to this layout.
*
* @param name the name of the constraint (CENTER or SOUTH)
* @param comp the component to add to this layout
*/
public void addLayoutComponent(String name, Component comp)
{
if (CENTER.equals(name))
center = comp;
else if (SOUTH.equals(name))
south = comp;
}
/**
* Gets a <tt>List</tt> of the <tt>Component</tt>s to be laid out by this
* <tt>LayoutManager</tt> i.e. the non-<tt>null</tt> of {@link #center}
* and {@link #south}.
*
* @return a <tt>List</tt> of the <tt>Component</tt>s to be laid out by this
* <tt>LayoutManager</tt>
*/
private List<Component> getLayoutComponents()
{
List<Component> layoutComponents = new ArrayList<Component>(2);
if (center != null)
layoutComponents.add(center);
if (south != null)
layoutComponents.add(south);
return layoutComponents;
}
/**
* Lays out the components added in the given parent container
*
* @param parent the parent container to lay out
*/
public void layoutContainer(Container parent)
{
int southWidth;
int southHeight;
if (south == null)
{
southWidth = southHeight = 0;
}
else
{
Dimension southSize = south.getPreferredSize();
southWidth = southSize.width;
southHeight = southSize.height;
}
Dimension parentSize = parent.getSize();
if (center != null)
{
/*
* If the Component at the SOUTH is not to be shown as an overlay,
* make room for it bellow the Component at the CENTER.
*/
int yOffset = overlay ? 0 : southHeight + yGap;
center.setBounds(
0,
0,
parentSize.width,
parentSize.height - yOffset);
}
if (south != null)
{
south.setBounds(
(parentSize.width - southWidth) / 2,
parentSize.height - southHeight,
southWidth,
southHeight);
}
}
public Dimension minimumLayoutSize(Container parent)
{
List<Component> components = getLayoutComponents();
Dimension size = new Dimension(0, 0);
for (Component component : components)
{
Dimension componentSize = component.getMinimumSize();
size.width = Math.max(size.width, componentSize.width);
if (overlay)
size.height = Math.max(size.height, componentSize.height);
else
size.height += componentSize.height;
}
return size;
}
public Dimension preferredLayoutSize(Container parent)
{
List<Component> components = getLayoutComponents();
Dimension size = new Dimension(0, 0);
for (Component component : components)
{
Dimension componentSize = component.getPreferredSize();
size.width = Math.max(size.width, componentSize.width);
if (overlay)
size.height = Math.max(size.height, componentSize.height);
else
size.height += componentSize.height;
}
return size;
}
public void removeLayoutComponent(Component comp)
{
if (comp.equals(center))
center = null;
else if (comp.equals(south))
south = null;
}
}
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