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SpiceAgent: Support copying and pasting images

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x-yl 2021-07-12 18:16:19 +04:00 • committed by Andreas Kling
parent d4bb6a1a1e
commit c8b13bd053
4 changed files with 143 additions and 8 deletions
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88
Userland/Services/SpiceAgent/SpiceAgent.cpp
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@ -9,6 +9,12 @@
#include <AK/String.h>
#include <LibC/memory.h>
#include <LibC/unistd.h>
#include <LibGfx/BMPLoader.h>
#include <LibGfx/BMPWriter.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/JPGLoader.h>
#include <LibGfx/PNGLoader.h>
#include <LibGfx/PNGWriter.h>
SpiceAgent::SpiceAgent(int fd, ClipboardServerConnection& connection)
: m_fd(fd)
@ -23,13 +29,32 @@ SpiceAgent::SpiceAgent(int fd, ClipboardServerConnection& connection)
m_just_set_clip = false;
return;
}
auto grab_buffer = ClipboardGrab::make_buffer({ ClipboardType::Text });
auto mime = m_clipboard_connection.get_clipboard_data().mime_type();
Optional<ClipboardType> type = mime_type_to_clipboard_type(mime);
if (!type.has_value())
return;
auto grab_buffer = ClipboardGrab::make_buffer({ *type });
send_message(grab_buffer);
};
auto buffer = AnnounceCapabilities::make_buffer(true, { Capability::ClipboardByDemand });
send_message(buffer);
}
Optional<SpiceAgent::ClipboardType> SpiceAgent::mime_type_to_clipboard_type(const String& mime)
{
if (mime == "text/plain")
return ClipboardType::Text;
else if (mime == "image/jpeg")
return ClipboardType::JPG;
else if (mime == "image/bmp")
return ClipboardType::BMP;
else if (mime == "image/png" || mime == "image/x-serenityos")
return ClipboardType::PNG;
else
return {};
}
void SpiceAgent::on_message_received()
{
ChunkHeader header {};
@ -47,19 +72,50 @@ void SpiceAgent::on_message_received()
break;
}
case (u32)MessageType::ClipboardRequest: {
auto clip_data = m_clipboard_connection.get_clipboard_data().data();
ByteBuffer byte_buffer = ByteBuffer::copy(clip_data.data<void>(), clip_data.size());
auto clipboard_buffer = Clipboard::make_buffer(ClipboardType::Text, byte_buffer);
auto* request_message = reinterpret_cast<ClipboardRequest*>(message->data);
auto clipboard = m_clipboard_connection.get_clipboard_data();
auto& mime = clipboard.mime_type();
ByteBuffer byte_buffer;
if (mime == "image/x-serenityos") {
auto bitmap = m_clipboard_connection.get_bitmap();
byte_buffer = Gfx::PNGWriter::encode(*bitmap);
} else {
auto clip_data = clipboard.data();
byte_buffer = ByteBuffer::copy(clip_data.data<void>(), clip_data.size());
}
auto clipboard_buffer = Clipboard::make_buffer((ClipboardType)request_message->type, byte_buffer);
send_message(clipboard_buffer);
break;
}
case (u32)MessageType::ClipboardGrab: {
auto request_buffer = ClipboardRequest::make_buffer(ClipboardType::Text);
auto* grab_message = reinterpret_cast<ClipboardGrab*>(message->data);
auto found_type = ClipboardType::None;
for (size_t i = 0; i < (message->size / 4); i++) {
auto type = (ClipboardType)grab_message->types[i];
if (found_type == ClipboardType::None) {
found_type = static_cast<ClipboardType>(type);
} else if (found_type == ClipboardType::Text) {
switch (type) {
case ClipboardType::PNG:
case ClipboardType::BMP:
case ClipboardType::JPG:
found_type = type;
break;
default:
break;
}
}
}
if (found_type == ClipboardType::None)
return;
auto request_buffer = ClipboardRequest::make_buffer(found_type);
send_message(request_buffer);
break;
}
case (u32)MessageType::Clipboard: {
auto* clipboard_message = reinterpret_cast<Clipboard*>(message->data);
auto type = (ClipboardType)clipboard_message->type;
auto data_buffer = ByteBuffer::create_uninitialized(message->size - sizeof(u32));
const auto total_bytes = message->size - sizeof(Clipboard);
@ -74,9 +130,25 @@ void SpiceAgent::on_message_received()
}
m_just_set_clip = true;
auto anon_buffer = Core::AnonymousBuffer::create_with_size(data_buffer.size());
memcpy(anon_buffer.data<void>(), data_buffer.data(), data_buffer.size());
m_clipboard_connection.async_set_clipboard_data(anon_buffer, "text/plain", {});
if (type == ClipboardType::Text) {
auto anon_buffer = Core::AnonymousBuffer::create_with_size(data_buffer.size());
memcpy(anon_buffer.data<void>(), data_buffer.data(), data_buffer.size());
m_clipboard_connection.async_set_clipboard_data(anon_buffer, "text/plain", {});
return;
} else {
RefPtr<Gfx::Bitmap> bitmap;
if (type == ClipboardType::PNG) {
bitmap = Gfx::load_png_from_memory(data_buffer.data(), data_buffer.size());
} else if (type == ClipboardType::BMP) {
bitmap = Gfx::load_bmp_from_memory(data_buffer.data(), data_buffer.size());
} else if (type == ClipboardType::JPG) {
bitmap = Gfx::load_jpg_from_memory(data_buffer.data(), data_buffer.size());
} else {
dbgln("Unknown clipboard type: {}", (u32)type);
return;
}
m_clipboard_connection.set_bitmap(*bitmap);
}
break;
}
default: