Added option to insert links from clipboard

Refs #49

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -20,6 +20,7 @@ package eu.faircode.email;
 */
 
 import android.Manifest;
+import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -37,6 +38,7 @@ import android.text.SpannableString;
 import android.text.Spanned;
 import android.text.TextUtils;
 import android.text.style.StyleSpan;
+import android.text.style.URLSpan;
 import android.util.Log;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
@@ -396,6 +398,7 @@ public class FragmentCompose extends FragmentEx {
         super.onPrepareOptionsMenu(menu);
         menu.findItem(R.id.menu_bold).setVisible(free && working >= 0);
         menu.findItem(R.id.menu_italic).setVisible(free && working >= 0);
+        menu.findItem(R.id.menu_link).setVisible(free && working >= 0);
         menu.findItem(R.id.menu_attachment).setVisible(!free && working >= 0);
         menu.findItem(R.id.menu_attachment).setEnabled(etBody.isEnabled());
         menu.findItem(R.id.menu_addresses).setVisible(!free && working >= 0);
@@ -404,6 +407,7 @@ public class FragmentCompose extends FragmentEx {
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
+            case R.id.menu_link:
             case R.id.menu_bold:
             case R.id.menu_italic:
                 onMenuStyle(item.getItemId());
@@ -429,8 +433,28 @@ public class FragmentCompose extends FragmentEx {
         }
         if (start != end) {
             SpannableString s = new SpannableString(etBody.getText());
-            s.setSpan(new StyleSpan(id == R.id.menu_bold ? Typeface.BOLD : Typeface.ITALIC),
-                    start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+            switch (id) {
+                case R.id.menu_bold:
+                    s.setSpan(new StyleSpan(Typeface.BOLD), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+                    break;
+                case R.id.menu_italic:
+                    s.setSpan(new StyleSpan(Typeface.ITALIC), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+                    break;
+                case R.id.menu_link:
+                    Uri uri = null;
+                    ClipboardManager cbm = getContext().getSystemService(ClipboardManager.class);
+                    if (cbm.hasPrimaryClip()) {
+                        String link = cbm.getPrimaryClip().getItemAt(0).coerceToText(getContext()).toString();
+                        uri = Uri.parse(link);
+                        if (uri.getScheme() == null)
+                            uri = null;
+                    }
+                    if (uri == null)
+                        Snackbar.make(view, R.string.title_clipboard_empty, Snackbar.LENGTH_LONG).show();
+                    else
+                        s.setSpan(new URLSpan(uri.toString()), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+                    break;
+            }
             etBody.setText(s);
             etBody.setSelection(end);
         }

app/src/main/res/drawable/baseline_insert_link_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0"
+        android:tint="?attr/colorControlNormal">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M3.9,12c0,-1.71 1.39,-3.1 3.1,-3.1h4L11,7L7,7c-2.76,0 -5,2.24 -5,5s2.24,5 5,5h4v-1.9L7,15.1c-1.71,0 -3.1,-1.39 -3.1,-3.1zM8,13h8v-2L8,11v2zM17,7h-4v1.9h4c1.71,0 3.1,1.39 3.1,3.1s-1.39,3.1 -3.1,3.1h-4L13,17h4c2.76,0 5,-2.24 5,-5s-2.24,-5 -5,-5z"/>
+</vector>

app/src/main/res/menu/menu_compose.xml

@@ -6,23 +6,29 @@
         android:id="@+id/menu_bold"
         android:icon="@drawable/baseline_format_bold_24"
         android:title="@string/title_style_bold"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/menu_italic"
         android:icon="@drawable/baseline_format_italic_24"
         android:title="@string/title_style_italic"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
+
+    <item
+        android:id="@+id/menu_link"
+        android:icon="@drawable/baseline_insert_link_24"
+        android:title="@string/title_style_link"
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/menu_attachment"
         android:icon="@drawable/baseline_attachment_24"
         android:title="@string/title_add_attachment"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/menu_addresses"
         android:icon="@drawable/baseline_people_24"
         android:title="@string/title_show_addresses"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 </menu>

app/src/main/res/menu/menu_list.xml

@@ -13,5 +13,5 @@
         android:id="@+id/menu_folders"
         android:icon="@drawable/baseline_folder_24"
         android:title="@string/title_folder_primary"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 </menu>

app/src/main/res/menu/menu_view.xml

@@ -6,13 +6,13 @@
         android:id="@+id/menu_addresses"
         android:icon="@drawable/baseline_people_24"
         android:title="@string/title_show_addresses"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/menu_thread"
         android:icon="@drawable/baseline_message_24"
         android:title="@string/title_thread"
-        app:showAsAction="always" />
+        app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/menu_forward"

app/src/main/res/values/strings.xml

@@ -182,6 +182,8 @@
     <string name="title_save">Save</string>
     <string name="title_send">Send</string>
 
+    <string name="title_clipboard_empty">Clipboard empty</string>
+    <string name="title_style_link">Insert link</string>
     <string name="title_style_bold">Bold</string>
     <string name="title_style_italic">Italic</string>
     <string name="title_show_addresses">Show CC/BCC</string>