Refactoring display configuration state to allow generic state objects

ui/display/display_util.cc

Index: ui/display/display_util.cc
diff --git a/ui/display/display_util.cc b/ui/display/display_util.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3d6266896521d49982a9742213b8c4cafb76610e
--- /dev/null
+++ b/ui/display/display_util.cc
@@ -0,0 +1,41 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ui/display/display_util.h"
+
+#include "base/macros.h"
+
+namespace ui {
+
+namespace {
+
+struct OutputTypeMapping {
+  // Prefix of output name.
+  std::string name;
+  OutputType type;
+};
+
+const OutputTypeMapping kOutputTypeMapping[] = {
+    {"LVDS", OUTPUT_TYPE_INTERNAL},
+    {"eDP", OUTPUT_TYPE_INTERNAL},
+    {"DSI", OUTPUT_TYPE_INTERNAL},
+    {"VGA", OUTPUT_TYPE_VGA},
+    {"HDMI", OUTPUT_TYPE_HDMI},
+    {"DVI", OUTPUT_TYPE_DVI},
+    {"DP", OUTPUT_TYPE_DISPLAYPORT}
+};
+
+}  // namespace
+
+OutputType GetOutputTypeFromName(const std::string& name) {
+  for (unsigned int i = 0; i < arraysize(kOutputTypeMapping); ++i) {
+    if (name.find(kOutputTypeMapping[i].name) == 0) {
+      return kOutputTypeMapping[i].type;
+    }
+  }
+
+  return OUTPUT_TYPE_UNKNOWN;
+}
+
+}  // namespace ui