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08d28e9b94
The new 'session_control' function can be used to perform operations on the global view stack that span one or multiple sessions, e.g., bringing all views of specific sessions to the front, or hiding them.
113 lines
3.0 KiB
C++
113 lines
3.0 KiB
C++
/*
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* \brief Client-side nitpicker 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) 2006-2013 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 General Public License version 2.
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*/
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#ifndef _INCLUDE__NITPICKER_SESSION__CLIENT_H_
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#define _INCLUDE__NITPICKER_SESSION__CLIENT_H_
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#include <nitpicker_session/capability.h>
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#include <base/rpc_client.h>
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#include <os/attached_dataspace.h>
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namespace Nitpicker { struct Session_client; }
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class Nitpicker::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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explicit Session_client(Session_capability session)
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:
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Rpc_client<Session>(session),
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_command_ds(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(Nitpicker::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' function 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.is_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__NITPICKER_SESSION__CLIENT_H_ */
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