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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/AbstractView.h>
#include <LibGUI/Model.h>
namespace GUI {
Model::Model()
{
}
Model::~Model()
{
}
void Model::register_view(Badge<AbstractView>, AbstractView& view)
{
m_views.set(&view);
m_clients.set(&view);
}
void Model::unregister_view(Badge<AbstractView>, AbstractView& view)
{
m_views.remove(&view);
m_clients.remove(&view);
}
void Model::for_each_view(Function<void(AbstractView&)> callback)
{
for (auto* view : m_views)
callback(*view);
}
void Model::did_update(unsigned flags)
{
for (auto* client : m_clients)
client->model_did_update(flags);
}
ModelIndex Model::create_index(int row, int column, const void* data) const
{
return ModelIndex(*this, row, column, const_cast<void*>(data));
}
ModelIndex Model::index(int row, int column, const ModelIndex&) const
{
return create_index(row, column);
}
bool Model::accepts_drag(const ModelIndex&, const Vector<String>&) const
{
return false;
}
void Model::register_client(ModelClient& client)
{
m_clients.set(&client);
}
void Model::unregister_client(ModelClient& client)
{
m_clients.remove(&client);
}
RefPtr<Core::MimeData> Model::mime_data(const ModelSelection& selection) const
{
auto mime_data = Core::MimeData::construct();
RefPtr<Gfx::Bitmap> bitmap;
StringBuilder text_builder;
StringBuilder data_builder;
bool first = true;
selection.for_each_index([&](auto& index) {
auto text_data = index.data();
if (!first)
text_builder.append(", ");
text_builder.append(text_data.to_string());
if (!first)
data_builder.append('\n');
auto data = index.data(ModelRole::MimeData);
data_builder.append(data.to_string());
first = false;
if (!bitmap) {
Variant icon_data = index.data(ModelRole::Icon);
if (icon_data.is_icon())
bitmap = icon_data.as_icon().bitmap_for_size(32);
}
});
mime_data->set_data(drag_data_type(), data_builder.to_byte_buffer());
mime_data->set_text(text_builder.to_string());
if (bitmap)
mime_data->set_data("image/x-raw-bitmap", bitmap->serialize_to_byte_buffer());
return mime_data;
}
}
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