173 lines
4.9 KiB
Java
173 lines
4.9 KiB
Java
/*
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* Copyright 2021 dorkbox, llc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dorkbox.systemTray.ui.osx;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import dorkbox.jna.macos.cocoa.NSCellStateValue;
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import dorkbox.jna.macos.cocoa.NSImage;
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import dorkbox.jna.macos.cocoa.NSString;
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import dorkbox.jna.macos.cocoa.OsxClickCallback;
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import dorkbox.systemTray.MenuItem;
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import dorkbox.systemTray.SystemTray;
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import dorkbox.systemTray.peer.MenuItemPeer;
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import dorkbox.systemTray.util.EventDispatch;
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class OsxMenuItem extends OsxBaseMenuItem implements MenuItemPeer, OsxClickCallback {
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// these have to be volatile, because they can be changed from any thread
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private volatile ActionListener callback;
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// to prevent GC
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private final OsxClickAction clickAction;
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private volatile NSImage image;
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private NSString tooltip;
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private NSString title;
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private NSString keyEquivalent;
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OsxMenuItem(final OsxMenu parent) {
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super(parent);
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clickAction = new OsxClickAction(this);
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_native.setTarget(clickAction);
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_native.setAction(OsxClickAction.action);
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}
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@Override
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public
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void click() {
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ActionListener callback = this.callback;
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if (callback != null) {
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callback.actionPerformed(null);
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}
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}
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@SuppressWarnings("Duplicates")
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@Override
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public
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void setImage(final MenuItem menuItem) {
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if (menuItem.getImage() != null) {
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_native.setState(NSCellStateValue.NSOnState);
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image = new NSImage(menuItem.getImage());
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_native.setOnStateImage(image);
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}
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else {
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_native.setState(NSCellStateValue.NSOffState);
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_native.setOnStateImage(null);
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}
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}
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@Override
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public
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void setEnabled(final MenuItem menuItem) {
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_native.setEnabled(menuItem.getEnabled());
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}
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@Override
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public
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void setText(final MenuItem menuItem) {
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String text = menuItem.getText();
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if (text == null || text.isEmpty()) {
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title = null;
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}
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else {
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title = new NSString(text);
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}
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_native.setTitle(title);
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}
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@SuppressWarnings("Duplicates")
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@Override
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public
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void setCallback(final MenuItem menuItem) {
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callback = menuItem.getCallback(); // can be set to null
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if (callback != null) {
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callback = new ActionListener() {
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final ActionListener cb = menuItem.getCallback();
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@Override
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public
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void actionPerformed(ActionEvent e) {
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// we want it to run on our own with our own action event info (so it is consistent across all platforms)
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EventDispatch.runLater(()->{
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try {
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cb.actionPerformed(new ActionEvent(menuItem, ActionEvent.ACTION_PERFORMED, ""));
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} catch (Throwable throwable) {
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SystemTray.logger.error("Error calling menu entry {} click event.", menuItem.getText(), throwable);
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}
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});
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}
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};
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}
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}
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/**
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* NOTE:
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* OSX can have upper + lower case shortcuts, so we force lowercase because Linux/windows do not have uppercase.
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* Additionally, we cater to the lowest common denominator (as much as is reasonable), so lower-case for everyone.
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*/
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@Override
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public
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void setShortcut(final MenuItem menuItem) {
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char shortcut = menuItem.getShortcut();
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if (shortcut != 0) {
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keyEquivalent = new NSString(Character.toString(shortcut).toLowerCase());
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} else {
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keyEquivalent = new NSString("");
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}
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_native.setKeyEquivalent(keyEquivalent);
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}
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@Override
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public
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void setTooltip(final MenuItem menuItem) {
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String tooltip = menuItem.getTooltip();
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if (tooltip == null || tooltip.isEmpty()) {
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this.tooltip = null;
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}
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else {
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this.tooltip = new NSString(tooltip);
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}
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_native.setToolTip(this.tooltip);
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}
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@Override
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public
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void remove() {
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super.remove();
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title = null;
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tooltip = null;
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keyEquivalent = null;
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callback = null;
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_native.setTarget(null);
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_native.setAction(null);
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clickAction.remove();
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image = null;
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}
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}
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