webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 82 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/x11/XUniquePtr.h b/Source/WebCore/platform/graphics/x11/XUniquePtr.h
new file mode 100644
index 000000000..37a18c29d
--- /dev/null
+++ b/Source/WebCore/platform/graphics/x11/XUniquePtr.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2015 Igalia S.L
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef XUniquePtr_h
+#define XUniquePtr_h
+
+#if PLATFORM(X11)
+#include "PlatformDisplayX11.h"
+#include <X11/Xutil.h>
+
+#if USE(GLX)
+typedef struct __GLXcontextRec* GLXContext;
+extern "C" void glXDestroyContext(Display*, GLXContext);
+#endif
+
+namespace WebCore {
+
+template<typename T>
+struct XPtrDeleter {
+    void operator()(T* ptr) const
+    {
+        XFree(ptr);
+    }
+};
+
+template<typename T>
+using XUniquePtr = std::unique_ptr<T, XPtrDeleter<T>>;
+
+template<> struct XPtrDeleter<XImage> {
+    void operator() (XImage* ptr) const
+    {
+        XDestroyImage(ptr);
+    }
+};
+
+template<> struct XPtrDeleter<_XGC> {
+    void operator() (_XGC* ptr) const
+    {
+        XFreeGC(downcast<PlatformDisplayX11>(PlatformDisplay::sharedDisplay()).native(), ptr);
+    }
+};
+// Give a name to this to avoid having to use the internal struct name.
+using XUniqueGC = XUniquePtr<_XGC>;
+
+#if USE(GLX)
+template<> struct XPtrDeleter<__GLXcontextRec> {
+    void operator() (__GLXcontextRec* ptr)
+    {
+        glXDestroyContext(downcast<PlatformDisplayX11>(PlatformDisplay::sharedDisplay()).native(), ptr);
+    }
+};
+// Give a name to this to avoid having to use the internal struct name.
+using XUniqueGLXContext = XUniquePtr<__GLXcontextRec>;
+#endif
+
+} // namespace WebCore
+
+#endif // PLATFORM(X11)
+
+#endif // XUniquePtr_h