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/*
Copyright (C) 2009 Red Hat, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _H_PLATFORM
#define _H_PLATFORM
#include "cursor.h"
#include "events_loop.h"
#define INVALID_TIMER (~TimerID(0))
typedef unsigned long TimerID;
typedef void (*timer_proc_t)(void* opaque, TimerID timer);
class WaveRecordAbstract;
class WavePlaybackAbstract;
class Icon;
class Monitor;
typedef std::list<Monitor*> MonitorsList;
class Platform {
public:
static void init();
static void wait_events();
static bool process_events();
static void wakeup();
static void msleep(unsigned int millisec);
static void yield();
static void send_quit_request();
static TimerID create_interval_timer(timer_proc_t proc, void* opaque);
static bool activate_interval_timer(TimerID timer, unsigned int millisec);
static bool deactivate_interval_timer(TimerID timer);
static void destroy_interval_timer(TimerID timer);
static uint64_t get_monolithic_time();
static void get_temp_dir(std::string& path);
static const MonitorsList& init_monitors();
static void destroy_monitors();
static bool is_monitors_pos_valid();
enum ThreadPriority {
PRIORITY_INVALID,
PRIORITY_TIME_CRITICAL,
PRIORITY_HIGH,
PRIORITY_ABOVE_NORMAL,
PRIORITY_NORMAL,
PRIORITY_BELOW_NORMAL,
PRIORITY_LOW,
PRIORITY_IDLE,
};
static void set_thread_priority(void *thread, ThreadPriority priority);
class RecordClinet;
static WaveRecordAbstract* create_recorder(RecordClinet& client,
uint32_t sampels_per_sec,
uint32_t bits_per_sample,
uint32_t channels);
static WavePlaybackAbstract* create_player(uint32_t sampels_per_sec,
uint32_t bits_per_sample,
uint32_t channels);
enum {
SCROLL_LOCK_MODIFIER_SHIFT,
NUM_LOCK_MODIFIER_SHIFT,
CAPS_LOCK_MODIFIER_SHIFT,
SCROLL_LOCK_MODIFIER = (1 << SCROLL_LOCK_MODIFIER_SHIFT),
NUM_LOCK_MODIFIER = (1 << NUM_LOCK_MODIFIER_SHIFT),
CAPS_LOCK_MODIFIER = (1 << CAPS_LOCK_MODIFIER_SHIFT),
};
static uint32_t get_keyboard_modifiers();
static void set_keyboard_modifiers(uint32_t modifiers);
static LocalCursor* create_local_cursor(CursorData* cursor_data);
static LocalCursor* create_inactive_cursor();
static LocalCursor* create_default_cursor();
static Icon* load_icon(int id);
class EventListener;
static void set_event_listener(EventListener* listener);
class DisplayModeListner;
static void set_display_mode_listner(DisplayModeListner* listener);
};
class Platform::EventListener {
public:
virtual ~EventListener() {}
virtual void on_app_activated() = 0;
virtual void on_app_deactivated() = 0;
virtual void on_monitors_change() = 0;
};
class Platform::RecordClinet {
public:
virtual ~RecordClinet() {}
virtual void add_evnet_sorce(EventsLoop::File& evnet_sorce) = 0;
virtual void remove_evnet_sorce(EventsLoop::File& evnet_sorce) = 0;
virtual void add_evnet_sorce(EventsLoop::Trigger& evnet_sorce) = 0;
virtual void remove_evnet_sorce(EventsLoop::Trigger& evnet_sorce) = 0;
virtual void push_frame(uint8_t *frame) = 0;
};
class Platform::DisplayModeListner {
public:
virtual ~DisplayModeListner() {}
virtual void on_display_mode_change() = 0;
};
class NamedPipe {
public:
typedef unsigned long ListenerRef;
typedef unsigned long ConnectionRef;
static const ConnectionRef INVALID_CONNECTION = ~0;
class ConnectionInterface {
public:
ConnectionInterface() : _opaque (INVALID_CONNECTION) {}
virtual ~ConnectionInterface() {}
virtual void bind(ConnectionRef conn_ref) = 0;
virtual void on_data() = 0;
protected:
ConnectionRef _opaque;
};
class ListenerInterface {
public:
virtual ~ListenerInterface() {}
virtual ConnectionInterface &create() = 0;
};
static ListenerRef create(const char *name, ListenerInterface& listener_interface);
static void destroy(ListenerRef listener_ref);
static void destroy_connection(ConnectionRef conn_ref);
static int32_t read(ConnectionRef conn_ref, uint8_t *buf, int32_t size);
static int32_t write(ConnectionRef conn_ref, const uint8_t *buf, int32_t size);
};
#endif
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