GnomeShell extension provider for the systemTray (code not removed
because functionality will be part of UI options for app).
This commit is contained in:
nathan
parent
bdd3bbf671
commit
4ad6aa2632
392
src/dorkbox/systemTray/gnomeShell/Extension.java
Normal file
392
src/dorkbox/systemTray/gnomeShell/Extension.java
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@ -0,0 +1,392 @@
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/*
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* Copyright 2015 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.gnomeShell;
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import static dorkbox.systemTray.SystemTray.logger;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.PrintStream;
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import java.util.Arrays;
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import java.util.List;
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import dorkbox.systemTray.SystemTray;
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import dorkbox.util.IO;
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import dorkbox.util.Property;
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import dorkbox.util.process.ShellProcessBuilder;
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@SuppressWarnings({"DanglingJavadoc", "WeakerAccess"})
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public
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class Extension {
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private static final String UID = "SystemTray@Dorkbox";
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@Property
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/** Permit the gnome-shell to be restarted when the extension is installed. */
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public static boolean ENABLE_SHELL_RESTART = true;
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@Property
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/** Command to restart the gnome-shell. It is recommended to start it in the background (hence '&') */
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public static String SHELL_RESTART_COMMAND = "gnome-shell --replace &";
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public static
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boolean isReallyGnome() {
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try {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(8196);
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PrintStream outputStream = new PrintStream(byteArrayOutputStream);
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// ps a | grep [g]nome-shell
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final ShellProcessBuilder shell = new ShellProcessBuilder(outputStream);
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shell.setExecutable("ps");
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shell.addArgument("a");
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shell.start();
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String output = ShellProcessBuilder.getOutput(byteArrayOutputStream);
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return output.contains("gnome-shell");
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} catch (Throwable ignored) {
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}
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return false;
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}
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public static
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String getGnomeVersion() {
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try {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(8196);
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PrintStream outputStream = new PrintStream(byteArrayOutputStream);
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// gnome-shell --version
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final ShellProcessBuilder shellVersion = new ShellProcessBuilder(outputStream);
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shellVersion.setExecutable("gnome-shell");
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shellVersion.addArgument("--version");
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shellVersion.start();
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String versionString = ShellProcessBuilder.getOutput(byteArrayOutputStream);
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if (!versionString.isEmpty()) {
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// GNOME Shell 3.14.1
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String version = versionString.replaceAll("[^\\d.]", "");
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if (version.length() > 0 && version.indexOf('.') > 0) {
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// should just be 3.14.1 or 3.20 or similar
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return version;
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}
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}
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} catch (Throwable ignored) {
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}
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return null;
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}
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public static
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List<String> getEnabledExtensions() {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(8196);
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PrintStream outputStream = new PrintStream(byteArrayOutputStream);
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// gsettings get org.gnome.shell enabled-extensions
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final ShellProcessBuilder gsettings = new ShellProcessBuilder(outputStream);
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gsettings.setExecutable("gsettings");
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gsettings.addArgument("get");
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gsettings.addArgument("org.gnome.shell");
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gsettings.addArgument("enabled-extensions");
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gsettings.start();
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String output = ShellProcessBuilder.getOutput(byteArrayOutputStream);
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// String output = "'background-logo@fedorahosted.org', 'zyx', 'abs'";
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// now we have to enable us if we aren't already enabled
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// gsettings get org.gnome.shell enabled-extensions
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// defaults are:
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// - fedora 23: ['background-logo@fedorahosted.org'] on
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// - openSuse:
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// - Ubuntu Gnome 16.04: @as []
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final StringBuilder stringBuilder = new StringBuilder(output);
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// have to remove the end first, otherwise we would have to re-index the location of the ]
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// remove the last ]
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int extensionIndex = output.indexOf("]");
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if (extensionIndex > 0) {
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stringBuilder.delete(extensionIndex, stringBuilder.length());
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}
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// strip off UP-TO plus the leading [
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extensionIndex = output.indexOf("[");
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if (extensionIndex > 0) {
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stringBuilder.delete(0, extensionIndex+1);
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}
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// should be 'background-logo@fedorahosted.org', 'zyx', 'abs'
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// or nothing
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String installedExtensions = stringBuilder.toString();
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if (SystemTray.DEBUG) {
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logger.debug("Installed extensions are: {}", installedExtensions);
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}
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// now just split the extensions into a list so it is easier to manage
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String[] split = installedExtensions
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.split(",");
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for (int i = 0; i < split.length; i++) {
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final String s = split[i];
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int i1 = s.indexOf("'");
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int i2 = s.lastIndexOf("'");
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if (i1 == 1 && i2 == s.length() - 1) {
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split[i] = s.substring(1, s.length() - 2);
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}
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}
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return Arrays.asList(split);
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}
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public static
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void setEnabledExtensions(List<String> extensions) {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(8196);
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PrintStream outputStream = new PrintStream(byteArrayOutputStream);
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StringBuilder stringBuilder = new StringBuilder("[");
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for (int i = 0, extensionsSize = extensions.size(), limit = extensionsSize-1; i < extensionsSize; i++) {
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final String extension = extensions.get(i);
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stringBuilder.append("'")
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.append(extension)
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.append("'");
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if (i < limit) {
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stringBuilder.append(", ");
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}
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}
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stringBuilder.append("]");
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if (SystemTray.DEBUG) {
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logger.debug("Setting installed extensions are: {}", stringBuilder.toString());
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}
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// gsettings set org.gnome.shell enabled-extensions "['SystemTray@dorkbox']"
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// gsettings set org.gnome.shell enabled-extensions "['background-logo@fedorahosted.org', 'SystemTray@dorkbox']"
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final ShellProcessBuilder setGsettings = new ShellProcessBuilder(outputStream);
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setGsettings.setExecutable("gsettings");
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setGsettings.addArgument("set");
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setGsettings.addArgument("org.gnome.shell");
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setGsettings.addArgument("enabled-extensions");
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setGsettings.addArgument(stringBuilder.toString());
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setGsettings.start();
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}
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private static
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void restartShell() {
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if (ENABLE_SHELL_RESTART) {
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if (SystemTray.DEBUG) {
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logger.debug("DEBUG mode enabled. You need to manually restart the shell via '{}'", SHELL_RESTART_COMMAND);
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return;
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}
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if (SystemTray.DEBUG) {
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logger.debug("Restarting gnome-shell so tray notification changes can be applied.");
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}
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// now we have to restart the gnome shell via bash
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final ShellProcessBuilder restartShell = new ShellProcessBuilder();
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// restart shell in background process
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restartShell.addArgument(SHELL_RESTART_COMMAND);
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restartShell.start();
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// We don't care when the shell restarts, since WHEN IT DOES restart, our extension will show our icon.
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}
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}
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public static
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void install() {
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if (!isReallyGnome()) {
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return;
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}
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boolean hasTopIcons;
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boolean hasSystemTray;
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// should just be 3.14.1 or 3.20 or similar
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String gnomeVersion = getGnomeVersion();
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if (gnomeVersion == null) {
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return;
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}
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List<String> enabledExtensions = getEnabledExtensions();
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hasTopIcons = enabledExtensions.contains("topIcons@adel.gadllah@gmail.com");
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hasSystemTray = enabledExtensions.contains(UID);
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if (hasTopIcons) {
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// topIcons will convert ALL icons to be at the top of the screen, so there is no reason to have both installed
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return;
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}
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// have to copy the extension over and enable it.
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String userHome = System.getProperty("user.home");
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// where the extension is saved
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final File file = new File(userHome + "/.local/share/gnome-shell/extensions/" + UID);
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final File metaDatafile = new File(file, "metadata.json");
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final File extensionFile = new File(file, "extension.js");
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// have to create the metadata.json file (and make it so that it's **always** current).
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// we do this via getting the shell version
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// We want "3.14" or "3.20" or whatever the latest version is (excluding the patch version info).
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final int indexOf = gnomeVersion.indexOf('.');
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final int nextIndexOf = gnomeVersion.indexOf('.', indexOf + 1);
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if (indexOf < nextIndexOf) {
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gnomeVersion = gnomeVersion.substring(0, nextIndexOf); // will be 3.14 (without the trailing '.1'), for example
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}
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String metadata = "{\n" + " \"description\": \"Shows a java tray icon on the top notification tray\",\n" +
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" \"name\": \"Dorkbox SystemTray\",\n" + " \"shell-version\": [\n" + " \"" + gnomeVersion + "\"\n" +
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" ],\n" + " \"url\": \"https://github.com/dorkbox/SystemTray\",\n" + " \"uuid\": \"" + UID + "\",\n" +
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" \"version\": " + SystemTray.getVersion() + "\n" + "}\n";
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logger.debug("Installing gnome-shell extension");
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if (hasSystemTray) {
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if (SystemTray.DEBUG) {
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logger.debug("Checking current version of extension for upgrade");
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}
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// have to check to see if the version is correct as well (otherwise we have to reinstall it)
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// compat for java 1.6
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StringBuilder builder = new StringBuilder(256);
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BufferedReader bin = null;
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try {
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bin = new BufferedReader(new FileReader(metaDatafile));
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String line;
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while ((line = bin.readLine()) != null) {
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builder.append(line)
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.append("\n");
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}
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} catch (FileNotFoundException ignored) {
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} catch (IOException ignored) {
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} finally {
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IO.close(bin, logger);
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}
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// the metadata string we CHECK should equal the metadata string we PROVIDE
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if (metadata.equals(builder.toString())) {
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// this means that our version info, etc. is the same - there is no need to update anything
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if (!SystemTray.DEBUG) {
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// if we are DEBUG, then we ALWAYS want to copy over our extension. We will have to manually restart the shell to see it
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return;
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}
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}
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else {
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// this means that we need to reinstall our extension, since either GNOME or US have changed versions since
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// we last installed the extension.
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logger.debug("Need to upgrade extension");
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}
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}
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// we get here if we are NOT installed, or if we are installed and our metadata is NOT THE SAME. (so we need to reinstall)
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// need to make the extension location
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if (!file.isDirectory()) {
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final boolean mkdirs = file.mkdirs();
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if (!mkdirs) {
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final String msg = "Unable to create extension location: " + file;
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logger.error(msg);
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throw new RuntimeException(msg);
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}
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}
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// write out the metadata
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BufferedWriter outputWriter = null;
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try {
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outputWriter = new BufferedWriter(new FileWriter(metaDatafile, false));
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// FileWriter always assumes default encoding is OK
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outputWriter.write(metadata);
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outputWriter.flush();
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outputWriter.close();
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} catch (IOException e) {
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logger.error("Error installing extension metadata file", e);
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} finally {
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IO.close(outputWriter, logger);
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}
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if (!hasSystemTray) {
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// copies our provided extension.js file to the correct location on disk
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InputStream reader = null;
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FileOutputStream fileOutputStream = null;
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try {
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reader = Extension.class.getResourceAsStream("extension.js");
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fileOutputStream = new FileOutputStream(extensionFile);
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if (reader == null) {
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throw new RuntimeException("The GnomeShell extension.js file cannot be found. Something is severely wrong.");
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}
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IO.copyStream(reader, fileOutputStream);
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} catch (FileNotFoundException e) {
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logger.error("Cannot find gnome-shell extension", e);
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} catch (IOException e) {
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logger.error("Unable to get gnome-shell extension", e);
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} finally {
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IO.close(reader, logger);
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IO.close(fileOutputStream, logger);
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}
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logger.debug("Enabling extension in gnome-shell");
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enabledExtensions.add(UID);
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setEnabledExtensions(enabledExtensions);
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restartShell();
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}
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}
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public static
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void unInstall() {
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if (!isReallyGnome()) {
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return;
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}
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List<String> enabledExtensions = getEnabledExtensions();
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if (enabledExtensions.contains(UID)) {
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enabledExtensions.remove(UID);
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setEnabledExtensions(enabledExtensions);
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restartShell();
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}
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}
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}
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@ -1,254 +0,0 @@
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/*
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* Copyright 2015 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
|
||||
* 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.linux;
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import static dorkbox.systemTray.SystemTray.logger;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.PrintStream;
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import dorkbox.systemTray.SystemTray;
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import dorkbox.util.IO;
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import dorkbox.util.Property;
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import dorkbox.util.process.ShellProcessBuilder;
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@SuppressWarnings({"DanglingJavadoc", "WeakerAccess"})
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public
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class GnomeShellExtension {
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private static final String UID = "SystemTray@Dorkbox";
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@Property
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/** Permit the gnome-shell to be restarted when the extension is installed. */
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public static boolean ENABLE_SHELL_RESTART = true;
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@Property
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/** Command to restart the gnome-shell. It is recommended to start it in the background (hence '&') */
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public static String SHELL_RESTART_COMMAND = "gnome-shell --replace &";
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public static void install(final String shellVersionString) throws IOException {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(8196);
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PrintStream outputStream = new PrintStream(byteArrayOutputStream);
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// gsettings get org.gnome.shell enabled-extensions
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final ShellProcessBuilder gsettings = new ShellProcessBuilder(outputStream);
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gsettings.setExecutable("gsettings");
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gsettings.addArgument("get");
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gsettings.addArgument("org.gnome.shell");
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gsettings.addArgument("enabled-extensions");
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gsettings.start();
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String output = ShellProcessBuilder.getOutput(byteArrayOutputStream);
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boolean hasTopIcons = output.contains("topIcons@adel.gadllah@gmail.com");
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boolean hasSystemTray = output.contains(UID);
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if (hasTopIcons) {
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// topIcons will convert ALL icons to be at the top of the screen, so there is no reason to have both installed
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return;
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}
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|
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// have to copy the extension over and enable it.
|
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String userHome = System.getProperty("user.home");
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|
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// where the extension is saved
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final File file = new File(userHome + "/.local/share/gnome-shell/extensions/" + UID);
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final File metaDatafile = new File(file, "metadata.json");
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final File extensionFile = new File(file, "extension.js");
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|
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|
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// have to create the metadata.json file (and make it so that it's **always** current).
|
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// we do this via getting the shell version
|
||||
|
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// GNOME Shell 3.14.1
|
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String versionOutput = shellVersionString.replaceAll("[^\\d.]", ""); // should just be 3.14.1 or 3.20 or similar
|
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|
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// We want "3.14" or "3.20" or whatever the latest version is (excluding the patch version info).
|
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final int indexOf = versionOutput.indexOf('.');
|
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final int nextIndexOf = versionOutput.indexOf('.', indexOf + 1);
|
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if (indexOf < nextIndexOf) {
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versionOutput = versionOutput.substring(0, nextIndexOf); // will be 3.14 (without the trailing '.1'), for example
|
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}
|
||||
|
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String metadata = "{\n" +
|
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" \"description\": \"Shows a java tray icon on the top notification tray\",\n" +
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||||
" \"name\": \"Dorkbox SystemTray\",\n" +
|
||||
" \"shell-version\": [\n" +
|
||||
" \"" + versionOutput + "\"\n" +
|
||||
" ],\n" +
|
||||
" \"url\": \"https://github.com/dorkbox/SystemTray\",\n" +
|
||||
" \"uuid\": \"" + UID + "\",\n" +
|
||||
" \"version\": " + SystemTray.getVersion() + "\n" +
|
||||
"}\n";
|
||||
|
||||
|
||||
if (hasSystemTray) {
|
||||
if (SystemTray.DEBUG) {
|
||||
logger.debug("Checking current version of extension for upgrade");
|
||||
}
|
||||
// have to check to see if the version is correct as well (otherwise we have to reinstall it)
|
||||
|
||||
StringBuilder builder = new StringBuilder(256);
|
||||
BufferedReader bin = null;
|
||||
try {
|
||||
bin = new BufferedReader(new FileReader(metaDatafile));
|
||||
String line;
|
||||
while ((line = bin.readLine()) != null) {
|
||||
builder.append(line)
|
||||
.append("\n");
|
||||
}
|
||||
} finally {
|
||||
IO.close(bin, logger);
|
||||
}
|
||||
|
||||
|
||||
// the metadata string we CHECK should equal the metadata string we PROVIDE
|
||||
if (metadata.equals(builder.toString())) {
|
||||
// this means that our version info, etc. is the same - there is no need to update anything
|
||||
if (!SystemTray.DEBUG) {
|
||||
// if we are DEBUG, then we ALWAYS want to copy over our extension. We will have to manually restart the shell to see it
|
||||
return;
|
||||
}
|
||||
} else {
|
||||
// this means that we need to reinstall our extension, since either GNOME or US have changed versions since
|
||||
// we last installed the extension.
|
||||
logger.debug("Need to upgrade extension");
|
||||
}
|
||||
}
|
||||
|
||||
// we get here if we are installed and our metadata is the same
|
||||
|
||||
// need to make the extension location
|
||||
if (!file.isDirectory()) {
|
||||
final boolean mkdirs = file.mkdirs();
|
||||
if (!mkdirs) {
|
||||
final String msg = "Unable to create extension location: " + file;
|
||||
logger.error(msg);
|
||||
throw new RuntimeException(msg);
|
||||
}
|
||||
}
|
||||
|
||||
BufferedWriter outputWriter = null;
|
||||
try {
|
||||
outputWriter = new BufferedWriter(new FileWriter(metaDatafile, false));
|
||||
// FileWriter always assumes default encoding is OK
|
||||
outputWriter.write(metadata);
|
||||
outputWriter.flush();
|
||||
outputWriter.close();
|
||||
} finally {
|
||||
IO.close(outputWriter, logger);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
if (!hasSystemTray) {
|
||||
// copies our provided extension.js file to the correct location on disk
|
||||
InputStream reader = null;
|
||||
FileOutputStream fileOutputStream = null;
|
||||
try {
|
||||
reader = GnomeShellExtension.class.getResourceAsStream("extension.js");
|
||||
fileOutputStream = new FileOutputStream(extensionFile);
|
||||
|
||||
if (reader == null) {
|
||||
throw new RuntimeException("The GnomeShell extension.js file cannot be found. Something is severely wrong.");
|
||||
}
|
||||
|
||||
IO.copyStream(reader, fileOutputStream);
|
||||
} finally {
|
||||
IO.close(reader, logger);
|
||||
IO.close(fileOutputStream, logger);
|
||||
}
|
||||
|
||||
logger.debug("Enabling extension in gnome-shell");
|
||||
// now we have to enable us if we aren't already enabled
|
||||
|
||||
// gsettings get org.gnome.shell enabled-extensions
|
||||
// defaults are:
|
||||
// - fedora 23: ['background-logo@fedorahosted.org'] on
|
||||
// - openSuse:
|
||||
// - Ubuntu Gnome 16.04: @as []
|
||||
final StringBuilder stringBuilder = new StringBuilder(output);
|
||||
|
||||
// have to remove the end first, otherwise we would have to re-index the location of the ]
|
||||
|
||||
// remove the last ]
|
||||
int extensionIndex = output.indexOf("]");
|
||||
if (extensionIndex > 0) {
|
||||
stringBuilder.delete(extensionIndex, stringBuilder.length());
|
||||
}
|
||||
|
||||
// strip off UP-TO (but not) the leading [
|
||||
extensionIndex = output.indexOf("[");
|
||||
if (extensionIndex > 0) {
|
||||
stringBuilder.delete(0, extensionIndex);
|
||||
}
|
||||
|
||||
// should be ['background-logo@fedorahosted.org', 'zyx', 'abs'
|
||||
// or will be [ (if there is nothing)
|
||||
if (SystemTray.DEBUG) {
|
||||
logger.debug("Installed extensions (should have leading '[') are: {}", stringBuilder.toString());
|
||||
}
|
||||
|
||||
// add our extension to the list
|
||||
if (stringBuilder.length() > 2) {
|
||||
stringBuilder.append(", ");
|
||||
}
|
||||
stringBuilder.append("'")
|
||||
.append(UID)
|
||||
.append("'");
|
||||
|
||||
|
||||
stringBuilder.append("]");
|
||||
|
||||
// gsettings set org.gnome.shell enabled-extensions "['SystemTray@dorkbox']"
|
||||
// gsettings set org.gnome.shell enabled-extensions "['background-logo@fedorahosted.org', 'SystemTray@dorkbox']"
|
||||
final ShellProcessBuilder setGsettings = new ShellProcessBuilder(outputStream);
|
||||
setGsettings.setExecutable("gsettings");
|
||||
setGsettings.addArgument("set");
|
||||
setGsettings.addArgument("org.gnome.shell");
|
||||
setGsettings.addArgument("enabled-extensions");
|
||||
setGsettings.addArgument(stringBuilder.toString());
|
||||
setGsettings.start();
|
||||
}
|
||||
|
||||
if (ENABLE_SHELL_RESTART) {
|
||||
if (SystemTray.DEBUG) {
|
||||
logger.debug("DEBUG mode enabled. You need to manually restart the shell via '{}'", SHELL_RESTART_COMMAND);
|
||||
return;
|
||||
}
|
||||
|
||||
if (SystemTray.DEBUG) {
|
||||
logger.debug("Restarting gnome-shell so tray notification changes can be applied.");
|
||||
}
|
||||
|
||||
// now we have to restart the gnome shell via bash
|
||||
final ShellProcessBuilder restartShell = new ShellProcessBuilder();
|
||||
// restart shell in background process
|
||||
restartShell.addArgument(SHELL_RESTART_COMMAND);
|
||||
restartShell.start();
|
||||
|
||||
// We don't care when the shell restarts, since WHEN IT DOES restart, our extension will show our icon.
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user