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116 lines
3.0 KiB
C++
116 lines
3.0 KiB
C++
/*
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* \brief Client-side GUI session interface
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* \author Norman Feske
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* \date 2006-08-23
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*/
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/*
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* Copyright (C) 2006-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__GUI_SESSION__CLIENT_H_
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#define _INCLUDE__GUI_SESSION__CLIENT_H_
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#include <gui_session/capability.h>
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#include <base/rpc_client.h>
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#include <base/attached_dataspace.h>
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namespace Gui { struct Session_client; }
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class Gui::Session_client : public Genode::Rpc_client<Session>
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{
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private:
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Genode::Attached_dataspace _command_ds;
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Command_buffer &_command_buffer;
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public:
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/**
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* Constructor
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*/
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Session_client(Genode::Region_map &rm, Session_capability session)
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:
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Rpc_client<Session>(session),
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_command_ds(rm, command_dataspace()),
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_command_buffer(*_command_ds.local_addr<Command_buffer>())
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{ }
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Framebuffer::Session_capability framebuffer_session() override {
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return call<Rpc_framebuffer_session>(); }
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Input::Session_capability input_session() override {
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return call<Rpc_input_session>(); }
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View_handle create_view(View_handle parent = View_handle()) override {
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return call<Rpc_create_view>(parent); }
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void destroy_view(View_handle view) override {
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call<Rpc_destroy_view>(view); }
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View_handle view_handle(View_capability view,
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View_handle handle = View_handle()) override
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{
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return call<Rpc_view_handle>(view, handle);
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}
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View_capability view_capability(View_handle handle) override {
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return call<Rpc_view_capability>(handle); }
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void release_view_handle(View_handle handle) override {
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call<Rpc_release_view_handle>(handle); }
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Genode::Dataspace_capability command_dataspace() override {
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return call<Rpc_command_dataspace>(); }
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void execute() override
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{
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call<Rpc_execute>();
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_command_buffer.reset();
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}
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Framebuffer::Mode mode() override {
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return call<Rpc_mode>(); }
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void mode_sigh(Genode::Signal_context_capability sigh) override {
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call<Rpc_mode_sigh>(sigh); }
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void buffer(Framebuffer::Mode mode, bool alpha) override {
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call<Rpc_buffer>(mode, alpha); }
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void focus(Gui::Session_capability session) override {
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call<Rpc_focus>(session); }
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void session_control(Label selector, Session_control operation) override {
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call<Rpc_session_control>(selector, operation); }
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/**
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* Enqueue command to command buffer
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*
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* The submitted command is not executed immediately. To execute a
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* batch of enqueued commands, the 'execute' method must be called.
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* Only in the corner case when there is not space left in the command
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* buffer, the 'execute' is called to make room in the buffer.
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*/
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template <typename CMD, typename... ARGS>
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void enqueue(ARGS... args)
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{
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enqueue(Command( CMD { args... } ));
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}
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void enqueue(Command const &command)
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{
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if (_command_buffer.full())
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execute();
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_command_buffer.enqueue(command);
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}
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};
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#endif /* _INCLUDE__GUI_SESSION__CLIENT_H_ */
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