1 files changed, 53 insertions, 0 deletions
diff --git a/content/browser/device_orientation/orientation.h b/content/browser/device_orientation/orientation.h
new file mode 100644
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--- /dev/null
+++ b/content/browser/device_orientation/orientation.h
@@ -0,0 +1,53 @@
+// Copyright (c) 2010 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.
+
+#ifndef CONTENT_BROWSER_DEVICE_ORIENTATION_ORIENTATION_H_
+#define CONTENT_BROWSER_DEVICE_ORIENTATION_ORIENTATION_H_
+
+namespace device_orientation {
+class Orientation {
+ public:
+  // alpha, beta and gamma are the rotations around the axes as specified in
+  // http://dev.w3.org/geo/api/spec-source-orientation.html
+  //
+  // can_provide_{alpha,beta,gamma} is true if data can be provided for that
+  // variable.
+
+  Orientation(bool can_provide_alpha, double alpha,
+              bool can_provide_beta, double beta,
+              bool can_provide_gamma, double gamma)
+      : alpha_(alpha),
+        beta_(beta),
+        gamma_(gamma),
+        can_provide_alpha_(can_provide_alpha),
+        can_provide_beta_(can_provide_beta),
+        can_provide_gamma_(can_provide_gamma) {
+  }
+
+  Orientation()
+      : alpha_(0),
+        beta_(0),
+        gamma_(0),
+        can_provide_alpha_(false),
+        can_provide_beta_(false),
+        can_provide_gamma_(false) {
+  }
+
+  static Orientation Empty() { return Orientation(); }
+
+  bool IsEmpty() const {
+    return !can_provide_alpha_ && !can_provide_beta_ && !can_provide_gamma_;
+  }
+
+  double alpha_;
+  double beta_;
+  double gamma_;
+  bool can_provide_alpha_;
+  bool can_provide_beta_;
+  bool can_provide_gamma_;
+};
+
+}  // namespace device_orientation
+
+#endif  // CONTENT_BROWSER_DEVICE_ORIENTATION_ORIENTATION_H_