GUACAMOLE-377: Add extension for displaying render statistics in a to…

…olbar.

extensions/guacamole-display-statistics/.gitignore

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+src/main/resources/generated/

extensions/guacamole-display-statistics/.ratignore

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+src/main/resources/html/*.html

extensions/guacamole-display-statistics/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
+                        http://maven.apache.org/maven-v4_0_0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>org.apache.guacamole</groupId>
+    <artifactId>guacamole-display-statistics</artifactId>
+    <packaging>jar</packaging>
+    <version>1.4.0</version>
+    <name>guacamole-display-statistics</name>
+    <url>http://guacamole.apache.org/</url>
+
+    <parent>
+        <groupId>org.apache.guacamole</groupId>
+        <artifactId>extensions</artifactId>
+        <version>1.4.0</version>
+        <relativePath>../</relativePath>
+    </parent>
+
+    <build>
+        <plugins>
+
+            <!-- Pre-cache Angular templates with maven-angular-plugin -->
+            <plugin>
+                <groupId>com.keithbranton.mojo</groupId>
+                <artifactId>angular-maven-plugin</artifactId>
+                <version>0.3.4</version>
+                <executions>
+                    <execution>
+                        <phase>generate-resources</phase>
+                        <goals>
+                            <goal>html2js</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <sourceDir>${basedir}/src/main/resources</sourceDir>
+                    <include>**/*.html</include>
+                    <target>${basedir}/src/main/resources/generated/templates-main/templates.js</target>
+                    <prefix>app/ext/display-stats</prefix>
+                </configuration>
+            </plugin>
+
+            <!-- JS/CSS Minification Plugin -->
+            <plugin>
+                <groupId>com.github.buckelieg</groupId>
+                <artifactId>minify-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>default-cli</id>
+                        <configuration>
+                            <charset>UTF-8</charset>
+
+                            <webappSourceDir>${basedir}/src/main/resources</webappSourceDir>
+                            <webappTargetDir>${project.build.directory}/classes</webappTargetDir>
+
+                            <cssSourceDir>/</cssSourceDir>
+                            <cssTargetDir>/</cssTargetDir>
+                            <cssFinalFile>display-stats.css</cssFinalFile>
+
+                            <cssSourceFiles>
+                                <cssSourceFile>license.txt</cssSourceFile>
+                            </cssSourceFiles>
+
+                            <cssSourceIncludes>
+                                <cssSourceInclude>**/*.css</cssSourceInclude>
+                            </cssSourceIncludes>
+
+                            <jsSourceDir>/</jsSourceDir>
+                            <jsTargetDir>/</jsTargetDir>
+                            <jsFinalFile>display-stats.js</jsFinalFile>
+
+                            <jsSourceFiles>
+                                <jsSourceFile>license.txt</jsSourceFile>
+                            </jsSourceFiles>
+
+                            <jsSourceIncludes>
+                                <jsSourceInclude>**/*.js</jsSourceInclude>
+                            </jsSourceIncludes>
+
+                            <!-- Do not minify and include tests -->
+                            <jsSourceExcludes>
+                                <jsSourceExclude>**/*.test.js</jsSourceExclude>
+                            </jsSourceExcludes>
+                            <jsEngine>CLOSURE</jsEngine>
+
+                            <!-- Disable warnings for JSDoc annotations -->
+                            <closureWarningLevels>
+                                <misplacedTypeAnnotation>OFF</misplacedTypeAnnotation>
+                                <nonStandardJsDocs>OFF</nonStandardJsDocs>
+                            </closureWarningLevels>
+
+                        </configuration>
+                        <goals>
+                            <goal>minify</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+        </plugins>
+    </build>
+
+</project>

extensions/guacamole-display-statistics/src/main/assembly/dist.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you 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.
+-->
+<assembly
+    xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
+
+    <id>dist</id>
+    <baseDirectory>${project.artifactId}-${project.version}</baseDirectory>
+
+    <!-- Output tar.gz -->
+    <formats>
+        <format>tar.gz</format>
+    </formats>
+
+    <!-- Include licenses and extension .jar -->
+    <fileSets>
+
+        <!-- Include licenses -->
+        <fileSet>
+            <outputDirectory></outputDirectory>
+            <directory>target/licenses</directory>
+        </fileSet>
+
+        <!-- Include extension .jar -->
+        <fileSet>
+            <directory>target</directory>
+            <outputDirectory></outputDirectory>
+            <includes>
+                <include>*.jar</include>
+            </includes>
+        </fileSet>
+
+    </fileSets>
+
+</assembly>

extensions/guacamole-display-statistics/src/main/resources/directives/guacClientStatistics.js

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+/**
+ * A directive which displays one or more Guacamole clients in an evenly-tiled
+ * view. The number of rows and columns used for the arrangement of tiles is
+ * automatically determined by the number of clients present.
+ */
+angular.module('client').directive('guacClientStatistics', [function guacClientStatistics() {
+
+    const directive = {
+        restrict: 'E',
+        templateUrl: 'app/ext/display-stats/templates/guacClientStatistics.html',
+    };
+
+    directive.scope = {
+
+        /**
+         * The group of Guacamole clients that should be displayed in an
+         * evenly-tiled grid arrangement.
+         *
+         * @type ManagedClientGroup
+         */
+        client : '='
+
+    };
+
+    directive.controller = ['$scope', function guacClientStatisticsController($scope) {
+
+        var updateStatistics = function updateStatistics(stats) {
+            $scope.$apply(function statisticsChanged() {
+                $scope.statistics = stats;
+            });
+        };
+
+        $scope.hasValue = function hasValue(value) {
+            return value || value === 0;
+        };
+
+        $scope.round = function round(value) {
+            return Math.round(value * 100) / 100;
+        };
+
+        $scope.$watch('client', function clientChanged(client, oldClient) {
+
+            if (oldClient)
+                oldClient.managedDisplay.display.onstatistics = null;
+
+            client.managedDisplay.display.statisticWindow = 1000;
+            client.managedDisplay.display.onstatistics = updateStatistics;
+
+        });
+
+        $scope.$on('$destroy', function scopeDestroyed() {
+            if ($scope.client)
+                $scope.client.managedDisplay.display.onstatistics = null;
+        });
+
+    }];
+
+    return directive;
+
+}]);

extensions/guacamole-display-statistics/src/main/resources/guac-manifest.json

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+{
+
+    "guacamoleVersion" : "1.4.0",
+
+    "name"      : "Display Statistic Toolbar",
+    "namespace" : "display-stats",
+
+    "translations" : [
+        "translations/en.json"
+    ],
+
+    "js" : [
+        "display-stats.min.js"
+    ],
+
+    "css" : [
+        "display-stats.min.css"
+    ],
+
+    "html" : [
+        "html/add-statistics.html"
+    ],
+
+    "resources" : {
+        "templates/guacClientStatistics.html" : "text/html"
+    }
+
+}

extensions/guacamole-display-statistics/src/main/resources/html/add-statistics.html

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+<meta name="after" content=".client-tile guac-client">
+
+<!-- Guacamole display statistics -->
+<guac-client-statistics client="client"></guac-client-statistics>

extensions/guacamole-display-statistics/src/main/resources/license.txt

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */

extensions/guacamole-display-statistics/src/main/resources/styles/clientStatistics.css

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+guac-client-statistics {
+    font-size: 13px;
+    color: white;
+    background: #111;
+}
+
+guac-client-statistics dl.client-statistics {
+    display: table;
+    margin: 0;
+    padding: 0.25em;
+}
+
+guac-client-statistics dl.client-statistics dt,
+guac-client-statistics dl.client-statistics dd {
+    display: table-cell;
+    padding: 0.25em;
+}
+
+guac-client-statistics dl.client-statistics dt {
+    padding-right: 0.5em;
+    padding-left: 1em;
+}
+
+guac-client-statistics dl.client-statistics dt:first-child {
+    padding-left: 0.5em;
+}
+
+guac-client-statistics dl.client-statistics dd {
+    min-width: 6em;
+    border: 1px solid rgba(255, 255, 255, 0.125);
+    border-radius: 3px;
+    background: black;
+}
+
+guac-client-statistics dl.client-statistics dd.no-value::before {
+    color: #888;
+    content: '-';
+}