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/*
Copyright (C) 2009 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _H_PLATFORM
#define _H_PLATFORM
#include "cursor.h"
#include "process_loop.h"
#include "event_sources.h"
#include "process_loop.h"
class WaveRecordAbstract;
class WavePlaybackAbstract;
class Icon;
class Monitor;
typedef std::list<Monitor*> MonitorsList;
class Platform {
public:
static void init();
static void set_process_loop(ProcessLoop& main_process_loop);
static void msleep(unsigned int millisec);
static void yield();
static uint64_t get_monolithic_time();
static void get_temp_dir(std::string& path);
static void get_app_data_dir(std::string& path, const std::string& app_name);
static void path_append(std::string& path, const std::string& partial_path);
static uint64_t get_process_id();
static uint64_t get_thread_id();
static void term_printf(const char* format, ...);
static void error_beep();
static const MonitorsList& init_monitors();
static void destroy_monitors();
static bool is_monitors_pos_valid();
static void send_quit_request();
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 RecordClient;
static WaveRecordAbstract* create_recorder(RecordClient& 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_lock_modifiers();
static void set_keyboard_lock_modifiers(uint32_t modifiers);
enum {
L_SHIFT_MODIFIER_SHIFT,
R_SHIFT_MODIFIER_SHIFT,
L_CTRL_MODIFIER_SHIFT,
R_CTRL_MODIFIER_SHIFT,
L_ALT_MODIFIER_SHIFT,
R_ALT_MODIFIER_SHIFT,
L_SHIFT_MODIFIER = (1 << L_SHIFT_MODIFIER_SHIFT),
R_SHIFT_MODIFIER = (1 << R_SHIFT_MODIFIER_SHIFT),
L_CTRL_MODIFIER = (1 << L_CTRL_MODIFIER_SHIFT),
R_CTRL_MODIFIER = (1 << R_CTRL_MODIFIER_SHIFT),
L_ALT_MODIFIER = (1 << L_ALT_MODIFIER_SHIFT),
R_ALT_MODIFIER = (1 << R_ALT_MODIFIER_SHIFT),
};
static uint32_t get_keyboard_modifiers();
static void reset_cursor_pos();
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 DisplayModeListener;
static void set_display_mode_listner(DisplayModeListener* listener);
class ClipboardListener;
static void set_clipboard_listener(ClipboardListener* listener);
static bool on_clipboard_grab(uint32_t *types, uint32_t type_count);
static bool on_clipboard_notify(uint32_t type, const uint8_t* data, int32_t size);
static bool on_clipboard_request(uint32_t type);
static void on_clipboard_release();
enum { owner_none, owner_guest, owner_client };
static void set_clipboard_owner(int new_owner);
static int get_clipboard_owner() { return _clipboard_owner; }
private:
static void set_clipboard_owner_unlocked(int new_owner);
static int _clipboard_owner;
};
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::ClipboardListener {
public:
virtual ~ClipboardListener() {}
virtual void on_clipboard_grab(uint32_t *types, uint32_t type_count) = 0;
virtual void on_clipboard_request(uint32_t type) = 0;
virtual void on_clipboard_notify(uint32_t type, uint8_t* data, int32_t size) = 0;
virtual void on_clipboard_release() = 0;
};
class Platform::RecordClient {
public:
virtual ~RecordClient() {}
virtual void add_event_source(EventSources::File& evnet_source) = 0;
virtual void remove_event_source(EventSources::File& evnet_source) = 0;
virtual void add_event_source(EventSources::Trigger& evnet_source) = 0;
virtual void remove_event_source(EventSources::Trigger& evnet_source) = 0;
virtual void push_frame(uint8_t *frame) = 0;
};
class Platform::DisplayModeListener {
public:
virtual ~DisplayModeListener() {}
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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