mirror of
https://github.com/LadybirdBrowser/ladybird.git
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2e6d59b7b2
A clipping now consists of three things: - The raw clip data - A MIME type - A key-value map (String, String) for anything you like
128 lines
4.4 KiB
C++
128 lines
4.4 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/Badge.h>
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#include <AK/SharedBuffer.h>
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#include <Clipboard/ClipboardClientEndpoint.h>
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#include <Clipboard/ClipboardServerEndpoint.h>
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#include <LibGUI/Clipboard.h>
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#include <LibIPC/ServerConnection.h>
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namespace GUI {
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class ClipboardServerConnection : public IPC::ServerConnection<ClipboardClientEndpoint, ClipboardServerEndpoint>
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, public ClipboardClientEndpoint {
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C_OBJECT(ClipboardServerConnection);
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public:
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virtual void handshake() override
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{
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auto response = send_sync<Messages::ClipboardServer::Greet>();
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set_my_client_id(response->client_id());
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}
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private:
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ClipboardServerConnection()
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: IPC::ServerConnection<ClipboardClientEndpoint, ClipboardServerEndpoint>(*this, "/tmp/portal/clipboard")
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{
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}
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virtual void handle(const Messages::ClipboardClient::ClipboardDataChanged&) override;
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};
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Clipboard& Clipboard::the()
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{
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static Clipboard* s_the;
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if (!s_the)
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s_the = new Clipboard;
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return *s_the;
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}
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ClipboardServerConnection* s_connection;
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static ClipboardServerConnection& connection()
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{
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return *s_connection;
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}
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void Clipboard::initialize(Badge<Application>)
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{
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s_connection = &ClipboardServerConnection::construct().leak_ref();
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}
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Clipboard::Clipboard()
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{
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}
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Clipboard::DataAndType Clipboard::data_and_type() const
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{
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auto response = connection().send_sync<Messages::ClipboardServer::GetClipboardData>();
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if (response->shbuf_id() < 0)
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return {};
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auto shared_buffer = SharedBuffer::create_from_shbuf_id(response->shbuf_id());
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if (!shared_buffer) {
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dbgprintf("GUI::Clipboard::data() failed to attach to the shared buffer\n");
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return {};
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}
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if (response->data_size() > shared_buffer->size()) {
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dbgprintf("GUI::Clipboard::data() clipping contents size is greater than shared buffer size\n");
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return {};
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}
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auto data = ByteBuffer::copy(shared_buffer->data(), response->data_size());
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auto type = response->mime_type();
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auto metadata = response->metadata().entries();
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return { data, type, metadata };
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}
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void Clipboard::set_data(ReadonlyBytes data, const String& type, const HashMap<String, String>& metadata)
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{
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auto shared_buffer = SharedBuffer::create_with_size(data.size() + 1);
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if (!shared_buffer) {
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dbgprintf("GUI::Clipboard::set_data() failed to create a shared buffer\n");
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return;
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}
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if (!data.is_empty())
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memcpy(shared_buffer->data(), data.data(), data.size() + 1);
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else
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((u8*)shared_buffer->data())[0] = '\0';
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shared_buffer->seal();
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shared_buffer->share_with(connection().server_pid());
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connection().send_sync<Messages::ClipboardServer::SetClipboardData>(shared_buffer->shbuf_id(), data.size(), type, metadata);
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}
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void ClipboardServerConnection::handle(const Messages::ClipboardClient::ClipboardDataChanged& message)
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{
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auto& clipboard = Clipboard::the();
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if (clipboard.on_change)
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clipboard.on_change(message.mime_type());
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}
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void Clipboard::set_bitmap(const Gfx::Bitmap& bitmap)
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{
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(void) bitmap;
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}
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}
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