Services: Move to Userland/Services/

Userland/Services/Clipboard/Storage.h

@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER OR 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.
+ */
+
+#pragma once
+
+#include <AK/Function.h>
+#include <AK/HashMap.h>
+#include <AK/SharedBuffer.h>
+#include <AK/String.h>
+
+namespace Clipboard {
+
+class Storage {
+public:
+    static Storage& the();
+    ~Storage();
+
+    bool has_data() const { return m_shared_buffer; }
+
+    const String& mime_type() const { return m_mime_type; }
+    const HashMap<String, String>& metadata() const { return m_metadata; }
+
+    const u8* data() const
+    {
+        if (!has_data())
+            return nullptr;
+        return m_shared_buffer->data<u8>();
+    }
+
+    size_t data_size() const
+    {
+        if (has_data())
+            return m_data_size;
+        return 0;
+    }
+
+    void set_data(NonnullRefPtr<SharedBuffer>, size_t data_size, const String& mime_type, const HashMap<String, String>& metadata);
+
+    Function<void()> on_content_change;
+
+private:
+    Storage();
+
+    String m_mime_type;
+    RefPtr<SharedBuffer> m_shared_buffer;
+    size_t m_data_size { 0 };
+    HashMap<String, String> m_metadata;
+};
+
+}