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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 <LibGfx/GraphicsBitmap.h>
#include <LibGUI/GDragOperation.h>
#include <LibGUI/GWindowServerConnection.h>
namespace GUI {
static DragOperation* s_current_drag_operation;
DragOperation::DragOperation(Core::Object* parent)
: Core::Object(parent)
{
}
DragOperation::~DragOperation()
{
}
DragOperation::Outcome DragOperation::exec()
{
ASSERT(!s_current_drag_operation);
ASSERT(!m_event_loop);
int bitmap_id = -1;
Size bitmap_size;
RefPtr<Gfx::Bitmap> shared_bitmap;
if (m_bitmap) {
shared_bitmap = m_bitmap->to_shareable_bitmap();
shared_bitmap->shared_buffer()->share_with(WindowServerConnection::the().server_pid());
bitmap_id = shared_bitmap->shared_buffer_id();
bitmap_size = shared_bitmap->size();
}
auto response = WindowServerConnection::the().send_sync<WindowServer::StartDrag>(m_text, m_data_type, m_data, bitmap_id, bitmap_size);
if (!response->started()) {
m_outcome = Outcome::Cancelled;
return m_outcome;
}
s_current_drag_operation = this;
m_event_loop = make<Core::EventLoop>();
auto result = m_event_loop->exec();
m_event_loop = nullptr;
dbgprintf("%s: event loop returned with result %d\n", class_name(), result);
remove_from_parent();
s_current_drag_operation = nullptr;
return m_outcome;
}
void DragOperation::done(Outcome outcome)
{
ASSERT(m_outcome == Outcome::None);
m_outcome = outcome;
m_event_loop->quit(0);
}
void DragOperation::notify_accepted(Badge<WindowServerConnection>)
{
ASSERT(s_current_drag_operation);
s_current_drag_operation->done(Outcome::Accepted);
}
void DragOperation::notify_cancelled(Badge<WindowServerConnection>)
{
ASSERT(s_current_drag_operation);
s_current_drag_operation->done(Outcome::Cancelled);
}
}
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