(share) add share functionality

- get the text shared and put it on the Clipboard
- pass by the same way that past for Download the information

app/src/main/java/com/keylesspalace/tusky/ComposeActivity.java

@@ -390,6 +390,9 @@ public class ComposeActivity extends BaseActivity implements ComposeOptionsFragm
                             int left = Math.min(start, end);
                             int right = Math.max(start, end);
                             textEditor.getText().replace(left, right, text, 0, text.length());
+
+                            parser.putInClipboardManager(this, text);
+                            textEditor.onPaste();
                         }
                     }
                 }

app/src/main/java/com/keylesspalace/tusky/util/ParserUtils.java

@@ -43,6 +43,12 @@ public class ParserUtils {
         return null;
     }
 
+    public void putInClipboardManager(Context context, String string) {
+        ClipboardManager clipboard = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
+        ClipData clip = ClipData.newPlainText("", string);
+        clipboard.setPrimaryClip(clip);
+    }
+
     // parse the HTML page
     private HeaderInfo parsePageHeaderInfo(String urlStr) throws Exception {
         Connection con = Jsoup.connect(urlStr);