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Diffstat (limited to 'content/browser/geolocation/libgps_wrapper_linux.h')
-rw-r--r-- | content/browser/geolocation/libgps_wrapper_linux.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/content/browser/geolocation/libgps_wrapper_linux.h b/content/browser/geolocation/libgps_wrapper_linux.h new file mode 100644 index 0000000..08ad1a5 --- /dev/null +++ b/content/browser/geolocation/libgps_wrapper_linux.h @@ -0,0 +1,58 @@ +// 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. + +// Defines a wrapper around the C libgps API (gps.h). Similar to the libgpsmm.h +// API provided by that package. + +#ifndef CONTENT_BROWSER_GEOLOCATION_LIBGPS_WRAPPER_LINUX_H_ +#define CONTENT_BROWSER_GEOLOCATION_LIBGPS_WRAPPER_LINUX_H_ + +#include "base/basictypes.h" +#include "base/memory/scoped_ptr.h" +#include "content/common/content_export.h" + +struct gps_data_t; + +namespace content { +struct Geoposition; + +class CONTENT_EXPORT LibGps { + public: + virtual ~LibGps(); + // Attempts to dynamically load the libgps.so library and returns NULL on + // failure. + static LibGps* New(); + + bool Start(); + void Stop(); + bool Read(Geoposition* position); + + protected: + typedef int (*gps_open_fn)(const char*, const char*, struct gps_data_t*); + typedef int (*gps_close_fn)(struct gps_data_t*); + typedef int (*gps_read_fn)(struct gps_data_t*); + + explicit LibGps(void* dl_handle, + gps_open_fn gps_open, + gps_close_fn gps_close, + gps_read_fn gps_read); + + // Returns false if there is not fix available. + virtual bool GetPositionIfFixed(Geoposition* position); + + private: + void* dl_handle_; + gps_open_fn gps_open_; + gps_close_fn gps_close_; + gps_read_fn gps_read_; + + scoped_ptr<gps_data_t> gps_data_; + bool is_open_; + + DISALLOW_COPY_AND_ASSIGN(LibGps); +}; + +} // namespace content + +#endif // CONTENT_BROWSER_GEOLOCATION_LIBGPS_WRAPPER_LINUX_H_ |