Chromium plumbing for Device Orientation.

chrome/browser/device_orientation/orientation.h

+// 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 CHROME_BROWSER_DEVICE_ORIENTATION_ORIENTATION_H_
+#define CHROME_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) {
+  }
+
+  double alpha_;
+  double beta_;
+  double gamma_;
+  bool can_provide_alpha_;
+  bool can_provide_beta_;
+  bool can_provide_gamma_;
+};
+
+}  // namespace device_orientation
+
+#endif  // CHROME_BROWSER_DEVICE_ORIENTATION_ORIENTATION_H_