serenity/Userland/Services/Clipboard/Storage.h
2021-01-12 12:23:01 +01:00

74 lines
2.3 KiB
C++

/*
* 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;
};
}