1 files changed, 73 insertions, 0 deletions
diff --git a/chromium/content/browser/device_orientation/orientation.h b/chromium/content/browser/device_orientation/orientation.h
new file mode 100644
index 00000000000..b3ebd27c6e0
--- /dev/null
+++ b/chromium/content/browser/device_orientation/orientation.h
@@ -0,0 +1,73 @@
+// Copyright (c) 2012 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_
+
+#include "base/compiler_specific.h"
+#include "content/browser/device_orientation/device_data.h"
+#include "content/common/content_export.h"
+
+namespace content {
+
+class Orientation : public DeviceData {
+ public:
+  // alpha, beta, gamma and absolute are the rotations around the axes as
+  // specified in http://dev.w3.org/geo/api/spec-source-orientation.html
+  //
+  // can_provide_{alpha,beta,gamma,absolute} is true if data can be provided
+  // for that variable.
+  CONTENT_EXPORT Orientation();
+
+  // From DeviceData.
+  virtual IPC::Message* CreateIPCMessage(int render_view_id) const OVERRIDE;
+  virtual bool ShouldFireEvent(const DeviceData* old_data) const OVERRIDE;
+
+  void set_alpha(double alpha) {
+    can_provide_alpha_ = true;
+    alpha_ = alpha;
+  }
+  bool can_provide_alpha() const { return can_provide_alpha_; }
+  double alpha() const { return alpha_; }
+
+  void set_beta(double beta) {
+    can_provide_beta_ = true;
+    beta_ = beta;
+  }
+  bool can_provide_beta() const { return can_provide_beta_; }
+  double beta() const { return beta_; }
+
+  void set_gamma(double gamma) {
+    can_provide_gamma_ = true;
+    gamma_ = gamma;
+  }
+  bool can_provide_gamma() const { return can_provide_gamma_; }
+  double gamma() const { return gamma_; }
+
+  void set_absolute(bool absolute) {
+    can_provide_absolute_ = true;
+    absolute_ = absolute;
+  }
+  bool can_provide_absolute() const { return can_provide_absolute_; }
+  bool absolute() const { return absolute_; }
+
+ private:
+  virtual ~Orientation();
+
+  static bool IsElementSignificantlyDifferent(bool can_provide_element1,
+      bool can_provide_element2, double element1, double element2);
+
+  double alpha_;
+  double beta_;
+  double gamma_;
+  bool absolute_;
+  bool can_provide_alpha_;
+  bool can_provide_beta_;
+  bool can_provide_gamma_;
+  bool can_provide_absolute_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_DEVICE_ORIENTATION_ORIENTATION_H_