Now libraries are installed with all the dependencies

This is the base for the GUI that will be introduced in the
next commits.

Author: cmaglie

app/src/cc/arduino/contributions/libraries/ui/LibraryManagerUI.java

@@ -214,11 +214,23 @@ protected void onUpdatePressed() {
   }
 
   public void onInstallPressed(final ContributedLibrary lib) {
+    List<ContributedLibrary> deps = BaseNoGui.librariesIndexer.getIndex().resolveDependeciesOf(lib);
+    final boolean installDeps;
+    if (deps.size() > 1) {
+      System.out.println("The library requires dependencies!");
+      installDeps = true;
+    } else {
+      installDeps = false;
+    }
     clearErrorMessage();
     installerThread = new Thread(() -> {
       try {
         setProgressVisible(true, tr("Installing..."));
-        installer.install(lib, this::setProgress);
+        if (installDeps) {
+          installer.install(deps, this::setProgress);
+        } else {
+          installer.install(lib, this::setProgress);
+        }
         // TODO: Do a better job in refreshing only the needed element
         if (contribTable.getCellEditor() != null) {
           contribTable.getCellEditor().stopCellEditing();

arduino-core/src/cc/arduino/contributions/libraries/LibraryInstaller.java

@@ -88,11 +88,19 @@ public synchronized void updateIndex(ProgressListener progressListener) throws E
     rescanLibraryIndex(progress, progressListener);
   }
 
-  public synchronized void install(ContributedLibrary lib, ProgressListener progressListener) throws Exception {
-    final MultiStepProgress progress = new MultiStepProgress(4);
+  public void install(ContributedLibrary lib, ProgressListener progressListener) throws Exception {
+    ArrayList<ContributedLibrary> libs = new ArrayList<>();
+    libs.add(lib);
+    install(libs, progressListener);
+  }
+
+  public synchronized void install(List<ContributedLibrary> libs, ProgressListener progressListener) throws Exception {
+    MultiStepProgress progress = new MultiStepProgress(3 * libs.size() + 1);
 
-    // Do install library (3 steps)
-    performInstall(lib, progressListener, progress);
+    for (ContributedLibrary lib : libs) {
+      // Do install library (3 steps)
+      performInstall(lib, progressListener, progress);
+    }
 
     // Rescan index (1 step)
     rescanLibraryIndex(progress, progressListener);