remove uv.h dependency from header files

8 files changed, 173 insertions, 168 deletions

diff --git a/include/mbgl/map/map.hpp b/include/mbgl/map/map.hpp
index be01b456cc..554962c713 100644
--- a/include/mbgl/map/map.hpp
+++ b/include/mbgl/map/map.hpp
@@ -156,7 +156,7 @@ private:
 private:
     bool async = false;
     std::shared_ptr<uv::loop> loop;
-    uv_thread_t thread;
+    std::unique_ptr<uv::thread> thread;
     uv_async_t *async_terminate = nullptr;
     uv_async_t *async_render = nullptr;
     uv_async_t *async_cleanup = nullptr;
diff --git a/include/mbgl/map/transform.hpp b/include/mbgl/map/transform.hpp
index df7839ea96..d0f56b7fba 100644
--- a/include/mbgl/map/transform.hpp
+++ b/include/mbgl/map/transform.hpp
@@ -80,7 +80,7 @@ private:
 private:
     View &view;
 
-    mutable uv::rwlock mtx;
+    std::unique_ptr<uv::rwlock> mtx;
 
     // This reflects the current state of the transform, representing the actual position of the
     // map. After calling a transform function with a timer, this will likely remain the same until
diff --git a/include/mbgl/platform/platform.hpp b/include/mbgl/platform/platform.hpp
index 02aeb594b6..43c6ce4f5e 100644
--- a/include/mbgl/platform/platform.hpp
+++ b/include/mbgl/platform/platform.hpp
@@ -1,16 +1,12 @@
 #ifndef MBGL_PLATFORM_PLATFORM
 #define MBGL_PLATFORM_PLATFORM
 
+#include <mbgl/util/uv.hpp>
+
 #include <memory>
 #include <functional>
 #include <string>
 
-typedef struct uv_loop_s uv_loop_t;
-
-namespace uv {
-class loop;
-}
-
 namespace mbgl {
 namespace platform {
 
diff --git a/include/mbgl/platform/request.hpp b/include/mbgl/platform/request.hpp
index 7d2da8888c..0cbacf645d 100644
--- a/include/mbgl/platform/request.hpp
+++ b/include/mbgl/platform/request.hpp
@@ -7,14 +7,7 @@
 #include <atomic>
 
 #include <mbgl/util/noncopyable.hpp>
-
-// Forward definition.
-typedef struct uv_loop_s uv_loop_t;
-typedef struct uv_async_s uv_async_t;
-
-namespace uv {
-class loop;
-}
+#include <mbgl/util/uv.hpp>
 
 namespace mbgl {
 namespace platform {
diff --git a/include/mbgl/style/style.hpp b/include/mbgl/style/style.hpp
index 3df58ab42b..1f24674e42 100644
--- a/include/mbgl/style/style.hpp
+++ b/include/mbgl/style/style.hpp
@@ -62,7 +62,7 @@ private:
     PropertyTransition defaultTransition;
     bool initial_render_complete = false;
 
-    mutable uv::rwlock mtx;
+    std::unique_ptr<uv::rwlock> mtx;
 };
 
 }
diff --git a/include/mbgl/util/filesource.hpp b/include/mbgl/util/filesource.hpp
index 0d339cbac7..18c63ddfeb 100644
--- a/include/mbgl/util/filesource.hpp
+++ b/include/mbgl/util/filesource.hpp
@@ -1,14 +1,12 @@
 #ifndef MBGL_UTIL_FILESOURCE
 #define MBGL_UTIL_FILESOURCE
 
+#include <mbgl/util/uv.hpp>
+
 #include <string>
 #include <memory>
 #include <functional>
 
-namespace uv {
-class loop;
-}
-
 namespace mbgl {
 
 namespace platform {
diff --git a/include/mbgl/util/uv.hpp b/include/mbgl/util/uv.hpp
index 518e007afe..4ceb8b873f 100644
--- a/include/mbgl/util/uv.hpp
+++ b/include/mbgl/util/uv.hpp
@@ -1,159 +1,19 @@
 #ifndef MBGL_UTIL_UV
 #define MBGL_UTIL_UV
 
-#include <uv.h>
-#include <functional>
-#include <cassert>
-
-#ifdef __clang__
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wunused-parameter"
-#endif
-
-#include <boost/lockfree/queue.hpp>
-
-#ifdef __clang__
-#pragma clang diagnostic pop
-#endif
-
 #include <string>
 
+typedef struct uv_async_s uv_async_t;
+typedef struct uv_handle_s uv_handle_t;
+typedef struct uv_loop_s uv_loop_t;
 
 namespace uv {
 
-inline std::string cwd() {
-    size_t max = 0;
-    std::string dir;
-    do {
-        max += 256;
-        dir.resize(max);
-        uv_cwd(const_cast<char *>(dir.data()), &max);
-    } while (max == dir.size());
-    dir.resize(max - 1);
-    return dir;
-}
-
-class loop {
-public:
-    inline loop() {
-        if (uv_loop_init(&l) != 0) {
-            throw std::runtime_error("failed to initialize loop");
-        }
-    }
-
-    inline ~loop() { uv_loop_close(&l); }
-
-    inline uv_loop_t *operator*() { return &l; }
-
-private:
-    uv_loop_t l;
-};
-
-class mutex {
-public:
-    inline mutex() {
-        if (uv_mutex_init(&mtx) != 0) {
-            throw std::runtime_error("failed to initialize mutex");
-        }
-    }
-    inline ~mutex() { uv_mutex_destroy(&mtx); }
-    inline void lock() { uv_mutex_lock(&mtx); }
-    inline void unlock() { uv_mutex_unlock(&mtx); }
-
-private:
-    uv_mutex_t mtx;
-};
-
-class lock {
-public:
-    lock(mutex &mtx) : mtx(mtx) { mtx.lock(); }
-    ~lock() { mtx.unlock(); }
-
-private:
-    mutex &mtx;
-};
-
-class rwlock {
-public:
-    inline rwlock() {
-        if (uv_rwlock_init(&mtx) != 0) {
-            throw std::runtime_error("failed to initialize read-write lock");
-        }
-    }
-    inline ~rwlock() { uv_rwlock_destroy(&mtx); }
-    inline void rdlock() { uv_rwlock_rdlock(&mtx); }
-    inline void wrlock() { uv_rwlock_wrlock(&mtx); }
-    inline void rdunlock() { uv_rwlock_rdunlock(&mtx); }
-    inline void wrunlock() { uv_rwlock_wrunlock(&mtx); }
-
-private:
-    uv_rwlock_t mtx;
-};
-
-class readlock {
-public:
-    inline readlock(rwlock &mtx) : mtx(mtx) { mtx.rdlock(); }
-    inline ~readlock() { mtx.rdunlock(); }
-
-private:
-    rwlock &mtx;
-};
-
-class writelock {
-public:
-    inline writelock(rwlock &mtx) : mtx(mtx) { mtx.wrlock(); }
-    inline ~writelock() { mtx.wrunlock(); }
-
-private:
-    rwlock &mtx;
-};
-
-class once {
-public:
-    typedef void (*callback)();
-    void operator()(void (*callback)(void)) {
-        uv_once(&o, callback);
-    }
-
-private:
-    uv_once_t o = UV_ONCE_INIT;
-};
-
-template <typename T>
-class work {
-public:
-    typedef void (*work_callback)(T &object);
-    typedef void (*after_work_callback)(T &object);
-
-    template<typename... Args>
-    work(const std::shared_ptr<loop> &loop, work_callback work_cb, after_work_callback after_work_cb, Args&&... args)
-        : loop(loop),
-          data(std::forward<Args>(args)...),
-          work_cb(work_cb),
-          after_work_cb(after_work_cb) {
-        req.data = this;
-        uv_queue_work(**loop, &req, do_work, after_work);
-    }
-
-private:
-    static void do_work(uv_work_t *req) {
-        work<T> *w = static_cast<work<T> *>(req->data);
-        w->work_cb(w->data);
-    }
-
-    static void after_work(uv_work_t *req, int) {
-        work<T> *w = static_cast<work<T> *>(req->data);
-        w->after_work_cb(w->data);
-        delete w;
-    }
+std::string cwd();
 
-private:
-    std::shared_ptr<uv::loop> loop;
-    uv_work_t req;
-    T data;
-    work_callback work_cb;
-    after_work_callback after_work_cb;
-};
+class thread;
+class rwlock;
+class loop;
 
 }
 
diff --git a/include/mbgl/util/uv_detail.hpp b/include/mbgl/util/uv_detail.hpp
new file mode 100644
index 0000000000..c65c247ba1
--- /dev/null
+++ b/include/mbgl/util/uv_detail.hpp
@@ -0,0 +1,158 @@
+#ifndef MBGL_UTIL_UV_DETAIL
+#define MBGL_UTIL_UV_DETAIL
+
+#include <uv.h>
+#include <functional>
+#include <cassert>
+
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-parameter"
+#endif
+
+#include <boost/lockfree/queue.hpp>
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+#include <string>
+
+
+namespace uv {
+
+class thread {
+public:
+    inline operator uv_thread_t *() { return &t; }
+
+private:
+    uv_thread_t t;
+};
+
+class loop {
+public:
+    inline loop() {
+        if (uv_loop_init(&l) != 0) {
+            throw std::runtime_error("failed to initialize loop");
+        }
+    }
+
+    inline ~loop() { uv_loop_close(&l); }
+
+    inline uv_loop_t *operator*() { return &l; }
+
+private:
+    uv_loop_t l;
+};
+
+class mutex {
+public:
+    inline mutex() {
+        if (uv_mutex_init(&mtx) != 0) {
+            throw std::runtime_error("failed to initialize mutex");
+        }
+    }
+    inline ~mutex() { uv_mutex_destroy(&mtx); }
+    inline void lock() { uv_mutex_lock(&mtx); }
+    inline void unlock() { uv_mutex_unlock(&mtx); }
+
+private:
+    uv_mutex_t mtx;
+};
+
+class lock {
+public:
+    lock(mutex &mtx) : mtx(mtx) { mtx.lock(); }
+    ~lock() { mtx.unlock(); }
+
+private:
+    mutex &mtx;
+};
+
+class rwlock {
+public:
+    inline rwlock() {
+        if (uv_rwlock_init(&mtx) != 0) {
+            throw std::runtime_error("failed to initialize read-write lock");
+        }
+    }
+    inline ~rwlock() { uv_rwlock_destroy(&mtx); }
+    inline void rdlock() { uv_rwlock_rdlock(&mtx); }
+    inline void wrlock() { uv_rwlock_wrlock(&mtx); }
+    inline void rdunlock() { uv_rwlock_rdunlock(&mtx); }
+    inline void wrunlock() { uv_rwlock_wrunlock(&mtx); }
+
+private:
+    uv_rwlock_t mtx;
+};
+
+class readlock {
+public:
+    inline readlock(rwlock &mtx) : mtx(mtx) { mtx.rdlock(); }
+    inline readlock(const std::unique_ptr<rwlock> &mtx) : mtx(*mtx) { mtx->rdlock(); }
+    inline ~readlock() { mtx.rdunlock(); }
+
+private:
+    rwlock &mtx;
+};
+
+class writelock {
+public:
+    inline writelock(rwlock &mtx) : mtx(mtx) { mtx.wrlock(); }
+    inline writelock(const std::unique_ptr<rwlock> &mtx) : mtx(*mtx) { mtx->wrlock(); }
+    inline ~writelock() { mtx.wrunlock(); }
+
+private:
+    rwlock &mtx;
+};
+
+class once {
+public:
+    typedef void (*callback)();
+    void operator()(void (*callback)(void)) {
+        uv_once(&o, callback);
+    }
+
+private:
+    uv_once_t o = UV_ONCE_INIT;
+};
+
+template <typename T>
+class work {
+public:
+    typedef void (*work_callback)(T &object);
+    typedef void (*after_work_callback)(T &object);
+
+    template<typename... Args>
+    work(const std::shared_ptr<loop> &loop, work_callback work_cb, after_work_callback after_work_cb, Args&&... args)
+        : loop(loop),
+          data(std::forward<Args>(args)...),
+          work_cb(work_cb),
+          after_work_cb(after_work_cb) {
+        req.data = this;
+        uv_queue_work(**loop, &req, do_work, after_work);
+    }
+
+private:
+    static void do_work(uv_work_t *req) {
+        work<T> *w = static_cast<work<T> *>(req->data);
+        w->work_cb(w->data);
+    }
+
+    static void after_work(uv_work_t *req, int) {
+        work<T> *w = static_cast<work<T> *>(req->data);
+        w->after_work_cb(w->data);
+        delete w;
+    }
+
+private:
+    std::shared_ptr<uv::loop> loop;
+    uv_work_t req;
+    T data;
+    work_callback work_cb;
+    after_work_callback after_work_cb;
+};
+
+}
+
+#endif