SampleApp: Build list of devices dynamically

src/views/SkOSMenu.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkAtomics.h"
 #include "SkOSMenu.h"
 #include <stdarg.h>
 
@@ skipping 130 matching lines @@
 }
 
 int SkOSMenu::appendAction(const char label[], SkEventSinkID target) {
     SkEvent* evt = new SkEvent(gMenuEventType, target);
     //Store label in event so it can be used to identify the action later
     evt->setString(label, label);
     return appendItem(label, SkOSMenu::kAction_Type, "", evt);
 }
 
 int SkOSMenu::appendList(const char label[], const char slotName[],
-                         SkEventSinkID target, int index, const char option[], ...) {
+                         SkEventSinkID target, int index, const SkTArray<const char*>& entries) {
     SkEvent* evt = new SkEvent(gMenuEventType, target);
-    va_list args;
-    if (option) {
-        SkString str(option);
-        va_start(args, option);
-        int count = 1;
-        for (const char* arg = va_arg(args, const char*); arg != nullptr; arg = va_arg(args, const char*)) {
+    if (!entries.empty()) {
+        SkString str(entries[0]);
+        for (int i = 1; i < entries.count(); ++i) {
             str += gDelimiter;
-            str += arg;
-            ++count;
+            str += entries[i];
         }
-        va_end(args);
         evt->setString(gList_Items_Str, str);
-        evt->setS32(gList_ItemCount_S32, count);
+        evt->setS32(gList_ItemCount_S32, entries.count());
         evt->setS32(slotName, index);
     }
     return appendItem(label, SkOSMenu::kList_Type, slotName, evt);
 }
 
 int SkOSMenu::appendSlider(const char label[], const char slotName[],
                            SkEventSinkID target, SkScalar min, SkScalar max,
                            SkScalar defaultValue) {
     SkEvent* evt = new SkEvent(gMenuEventType, target);
     evt->setScalar(gSlider_Min_Scalar, min);
@@ skipping 78 matching lines @@
         const char* text = evt.findString(slotName);
         if (!text || !*text)
             return false;
         else {
             value->set(text);
             return true;
         }
     }
     return false;
 }