Bug 1270277, HasDataMatchingFlavors should only return true for text/unicode, r=snorp

dom/base/test/test_bug116083.html

@@ -52,15 +52,22 @@ const Cc = SpecialPowers.Cc;
 const Ci = SpecialPowers.Ci;
 
 function hasExpectedFlavors() {
-  var flavors = [
-    "text/plain",
-    "text/html",
-    "application/x-moz-nativehtml",
-  ];
   var cb = Cc["@mozilla.org/widget/clipboard;1"].
            getService(Ci.nsIClipboard);
-  return cb.hasDataMatchingFlavors(flavors, flavors.length,
-                                   cb.kGlobalClipboard);
+
+  ok(cb.hasDataMatchingFlavors(["text/unicode"], 1, cb.kGlobalClipboard),
+     "The clipboard has text/unicode");
+
+  // Android only supports plain text
+  if (navigator.appVersion.indexOf("Android") == -1) {
+    ok(cb.hasDataMatchingFlavors(["text/html"], 1, cb.kGlobalClipboard),
+       "The clipboard has text/html");
+  }
+
+  if (navigator.appVersion.indexOf("Win") >= 0) {
+    ok(cb.hasDataMatchingFlavors(["application/x-moz-nativehtml"], 1, cb.kGlobalClipboard),
+       "The clipboard has application/x-moz-nativehtml");
+  }
 }
 
 function nextTest() {
@@ -77,7 +84,7 @@ function nextTest() {
     synthesizeKey("C", {accelKey: true});
   }, function() {
     ok(true, div.getAttribute("style") + " passed");
-    ok(hasExpectedFlavors(), "The clipboard has the expected flavors");
+    hasExpectedFlavors();
     div.parentNode.removeChild(div);
     nextTest();
   }, function() {

widget/android/nsClipboard.cpp

@@ -97,7 +97,14 @@ nsClipboard::HasDataMatchingFlavors(const char **aFlavorList,
   *aHasText = false;
   if (aWhichClipboard != kGlobalClipboard)
     return NS_ERROR_NOT_IMPLEMENTED;
-  *aHasText = widget::Clipboard::HasText();
+
+  for (uint32_t k = 0; k < aLength; k++) {
+    if (strcmp(aFlavorList[k], kUnicodeMime) == 0) {
+      *aHasText = widget::Clipboard::HasText();
+      break;
+    }
+  }
+
   return NS_OK;
 }