Avoid initializing Mailvelope if we don't need to

program/js/app.js

@@ -347,6 +347,8 @@ function rcube_webmail()
                 dt.setData('roundcube-name', n.text().trim());
               }
             });
+
+            this.check_mailvelope(this.env.action);
         }
         else if (this.env.action == 'compose') {
           this.env.address_group_stack = [];
@@ -395,6 +397,8 @@ function rcube_webmail()
 
           // init message compose form
           this.init_messageform();
+
+          this.check_mailvelope(this.env.action);
         }
         else if (this.env.action == 'bounce') {
           this.init_messageform_inputs();
@@ -431,11 +435,12 @@ function rcube_webmail()
                 );
             });
         }
-        // show printing dialog
-        else if (this.env.action == 'print' && this.env.uid
-          && !this.env.is_pgp_content && !this.env.pgp_mime_part
-        ) {
-          this.print_dialog();
+        // show printing dialog unless decryption must be done first
+        else if (this.env.action == 'print' && this.env.uid) {
+          this.check_mailvelope(this.env.action);
+          if (!this.env.is_pgp_content && !this.env.pgp_mime_part) {
+            this.print_dialog();
+          }
         }
 
         // get unread count for each mailbox
@@ -485,8 +490,6 @@ function rcube_webmail()
           this.http_post(postact, postdata);
         }
 
-        this.check_mailvelope(this.env.action);
-
         // detect browser capabilities
         if (!this.is_framed() && !this.env.extwin)
           this.browser_capabilities_check();
@@ -567,7 +570,9 @@ function rcube_webmail()
           // initialize HTML editor
           this.editor_init(this.env.editor_config, 'rcmfd_signature');
 
-          this.check_mailvelope(this.env.action);
+          if (this.env.action == 'edit-identity') {
+            this.check_mailvelope(this.env.action);
+          }
         }
         else if (this.env.action == 'folders') {
           this.enable_command('subscribe', 'unsubscribe', 'create-folder', 'rename-folder', true);
@@ -3706,9 +3711,6 @@ function rcube_webmail()
   // Load Mailvelope functionality (and initialize keyring if needed)
   this.mailvelope_load = function(action)
   {
-    if (this.env.browser_capabilities)
-      this.env.browser_capabilities['pgpmime'] = 1;
-
     var keyring = this.env.user_id,
       fn = function(kr) {
         ref.mailvelope_keyring = kr;
@@ -9908,7 +9910,7 @@ function rcube_webmail()
     if (!this.env.browser_capabilities)
       this.env.browser_capabilities = {};
 
-    $.each(['pdf', 'flash', 'tiff', 'webp'], function() {
+    $.each(['pdf', 'flash', 'tiff', 'webp', 'pgpmime'], function() {
       if (ref.env.browser_capabilities[this] === undefined)
         ref.env.browser_capabilities[this] = ref[this + '_support_check']();
     });
@@ -10017,6 +10019,19 @@ function rcube_webmail()
     return 0;
   };
 
+  // check for mailvelope API
+  this.pgpmime_support_check = function(action)
+  {
+    if (typeof window.mailvelope !== 'undefined')
+      return 1;
+
+    $(window).on('mailvelope', function() {
+      ref.env.browser_capabilities['pgpmime'] = 1;
+    });
+
+    return 0;
+  };
+
   this.assets_path = function(path)
   {
     if (this.env.assets_path && !path.startsWith(this.env.assets_path)) {