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/*
* Copyright (c) 2018-2020, 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.
*/
#include <AK/Badge.h>
#include <AK/SharedBuffer.h>
#include <LibGUI/Clipboard.h>
#include <LibGUI/WindowServerConnection.h>
namespace GUI {
Clipboard& Clipboard::the()
{
static Clipboard* s_the;
if (!s_the)
s_the = new Clipboard;
return *s_the;
}
Clipboard::Clipboard()
{
}
Clipboard::DataAndType Clipboard::data_and_type() const
{
auto response = WindowServerConnection::the().send_sync<Messages::WindowServer::GetClipboardContents>();
if (response->shbuf_id() < 0)
return {};
auto shared_buffer = SharedBuffer::create_from_shbuf_id(response->shbuf_id());
if (!shared_buffer) {
dbgprintf("GUI::Clipboard::data() failed to attach to the shared buffer\n");
return {};
}
if (response->content_size() > shared_buffer->size()) {
dbgprintf("GUI::Clipboard::data() clipping contents size is greater than shared buffer size\n");
return {};
}
auto data = String((const char*)shared_buffer->data(), response->content_size());
auto type = response->content_type();
return { data, type };
}
void Clipboard::set_data(const StringView& data, const String& type)
{
auto shared_buffer = SharedBuffer::create_with_size(data.length() + 1);
if (!shared_buffer) {
dbgprintf("GUI::Clipboard::set_data() failed to create a shared buffer\n");
return;
}
if (!data.is_empty())
memcpy(shared_buffer->data(), data.characters_without_null_termination(), data.length() + 1);
else
((u8*)shared_buffer->data())[0] = '\0';
shared_buffer->seal();
shared_buffer->share_with(WindowServerConnection::the().server_pid());
WindowServerConnection::the().send_sync<Messages::WindowServer::SetClipboardContents>(shared_buffer->shbuf_id(), data.length(), type);
}
void Clipboard::did_receive_clipboard_contents_changed(Badge<WindowServerConnection>, const String& data_type)
{
if (on_content_change)
on_content_change(data_type);
}
}
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