Add a new CefGetGeolocation function for retrieving geolocation information via an API callback (issue #764).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@868 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

include/internal/cef_types.h

@@ -1321,6 +1321,74 @@ enum cef_file_dialog_mode_t {
   FILE_DIALOG_SAVE,
 };
 
+///
+// Geoposition error codes.
+///
+enum cef_geoposition_error_code_t {
+  GEOPOSITON_ERROR_NONE = 0,
+  GEOPOSITON_ERROR_PERMISSION_DENIED,
+  GEOPOSITON_ERROR_POSITION_UNAVAILABLE,
+  GEOPOSITON_ERROR_TIMEOUT,
+};
+
+///
+// Structure representing geoposition information. The properties of this
+// structure correspond to those of the JavaScript Position object although
+// their types may differ.
+///
+typedef struct _cef_geoposition_t {
+  ///
+  // Latitude in decimal degrees north (WGS84 coordinate frame).
+  ///
+  double latitude;
+
+  ///
+  // Longitude in decimal degrees west (WGS84 coordinate frame).
+  ///
+  double longitude;
+
+  ///
+  // Altitude in meters (above WGS84 datum).
+  ///
+  double altitude;
+
+  ///
+  // Accuracy of horizontal position in meters.
+  ///
+  double accuracy;
+
+  ///
+  // Accuracy of altitude in meters.
+  ///
+  double altitude_accuracy;
+
+  ///
+  // Heading in decimal degrees clockwise from true north.
+  ///
+  double heading;
+
+  ///
+  // Horizontal component of device velocity in meters per second.
+  ///
+  double speed;
+
+  ///
+  // Time of position measurement in miliseconds since Epoch in UTC time. This
+  // is taken from the host computer's system clock.
+  ///
+  cef_time_t timestamp;
+
+  ///
+  // Error code, see enum above.
+  ///
+  cef_geoposition_error_code_t error_code;
+
+  ///
+  // Human-readable error message.
+  ///
+  cef_string_t error_message;
+} cef_geoposition_t;
+
 #ifdef __cplusplus
 }
 #endif

include/internal/cef_types_wrappers.h

@@ -1,4 +1,4 @@
-// Copyright (c) 2011 Marshall A. Greenblatt. All rights reserved.
+// Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
@@ -589,4 +589,34 @@ class CefProxyInfo : public CefStructBase<CefProxyInfoTraits> {
   CefString ProxyList() const { return CefString(&proxyList); }
 };
 
+struct CefGeopositionTraits {
+  typedef cef_geoposition_t struct_type;
+
+  static inline void init(struct_type* s) {}
+
+  static inline void clear(struct_type* s) {
+    cef_string_clear(&s->error_message);
+  }
+
+  static inline void set(const struct_type* src, struct_type* target,
+      bool copy) {
+    target->latitude = src->latitude;
+    target->longitude = src->longitude;
+    target->altitude = src->altitude;
+    target->accuracy = src->accuracy;
+    target->altitude_accuracy = src->altitude_accuracy;
+    target->heading = src->heading;
+    target->speed = src->speed;
+    target->timestamp = src->timestamp;
+    target->error_code = src->error_code;
+    cef_string_set(src->error_message.str, src->error_message.length,
+        &target->error_message, copy);
+  }
+};
+
+///
+// Class representing a geoposition.
+///
+typedef CefStructBase<CefGeopositionTraits> CefGeoposition;
+
 #endif  // CEF_INCLUDE_INTERNAL_CEF_TYPES_WRAPPERS_H_