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491 lines
14 KiB
491 lines
14 KiB
/* spinfinity.c - boot splash plugin
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*
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* Copyright (C) 2007, 2008 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Written by: Ray Strode <rstrode@redhat.com>
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*/
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#include "config.h"
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#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <math.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <values.h>
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#include <unistd.h>
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#include <wchar.h>
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#include "ply-boot-splash-plugin.h"
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#include "ply-buffer.h"
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#include "ply-event-loop.h"
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#include "ply-list.h"
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#include "ply-logger.h"
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#include "ply-frame-buffer.h"
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#include "ply-image.h"
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#include "ply-utils.h"
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#include "ply-window.h"
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#include "throbber.h"
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#include <linux/kd.h>
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#ifndef FRAMES_PER_SECOND
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#define FRAMES_PER_SECOND 30
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#endif
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typedef struct
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{
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int number_of_bullets;
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ply_frame_buffer_area_t area;
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} entry_t;
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struct _ply_boot_splash_plugin
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{
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ply_event_loop_t *loop;
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ply_frame_buffer_t *frame_buffer;
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ply_frame_buffer_area_t box_area, lock_area;
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ply_image_t *logo_image;
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ply_image_t *bullet_image;
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ply_image_t *lock_image;
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ply_image_t *entry_image;
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ply_image_t *box_image;
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ply_window_t *window;
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entry_t *entry;
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throbber_t *throbber;
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ply_boot_splash_password_answer_handler_t password_answer_handler;
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void *password_answer_data;
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};
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static void detach_from_event_loop (ply_boot_splash_plugin_t *plugin);
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static void draw_password_entry (ply_boot_splash_plugin_t *plugin);
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ply_boot_splash_plugin_t *
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create_plugin (void)
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{
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ply_boot_splash_plugin_t *plugin;
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srand ((int) ply_get_timestamp ());
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plugin = calloc (1, sizeof (ply_boot_splash_plugin_t));
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plugin->frame_buffer = ply_frame_buffer_new (NULL);
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plugin->logo_image = ply_image_new (PLYMOUTH_IMAGE_DIR "spinfinity/fedora-logo.png");
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plugin->lock_image = ply_image_new (PLYMOUTH_IMAGE_DIR "spinfinity/lock.png");
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plugin->bullet_image = ply_image_new (PLYMOUTH_IMAGE_DIR "spinfinity/bullet.png");
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plugin->entry_image = ply_image_new (PLYMOUTH_IMAGE_DIR "spinfinity/entry.png");
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plugin->box_image = ply_image_new (PLYMOUTH_IMAGE_DIR "spinfinity/box.png");
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plugin->throbber = throbber_new (PLYMOUTH_IMAGE_DIR "spinfinity",
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"throbber-");
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return plugin;
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}
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static entry_t *
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entry_new (int x,
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int y,
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int width,
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int height)
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{
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entry_t *entry;
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entry = calloc (1, sizeof (entry_t));
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entry->area.x = x;
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entry->area.y = y;
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entry->area.width = width;
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entry->area.height = height;
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return entry;
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}
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static void
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entry_free (entry_t *entry)
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{
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free (entry);
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}
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void
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destroy_plugin (ply_boot_splash_plugin_t *plugin)
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{
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if (plugin == NULL)
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return;
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ply_image_free (plugin->logo_image);
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ply_image_free (plugin->bullet_image);
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ply_image_free (plugin->entry_image);
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ply_image_free (plugin->box_image);
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ply_image_free (plugin->lock_image);
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ply_frame_buffer_free (plugin->frame_buffer);
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throbber_free (plugin->throbber);
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free (plugin);
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}
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static void
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draw_logo (ply_boot_splash_plugin_t *plugin)
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{
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ply_frame_buffer_area_t logo_area;
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uint32_t *logo_data;
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long width, height;
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width = ply_image_get_width (plugin->logo_image);
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height = ply_image_get_height (plugin->logo_image);
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logo_data = ply_image_get_data (plugin->logo_image);
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ply_frame_buffer_get_size (plugin->frame_buffer, &logo_area);
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logo_area.x = (logo_area.width / 2) - (width / 2);
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logo_area.y = (logo_area.height / 2) - (height / 2);
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logo_area.width = width;
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logo_area.height = height;
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ply_frame_buffer_pause_updates (plugin->frame_buffer);
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ply_frame_buffer_fill_with_color (plugin->frame_buffer, &logo_area,
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0.0, 0.43, .71, 1.0);
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ply_frame_buffer_fill_with_argb32_data (plugin->frame_buffer,
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&logo_area, 0, 0,
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logo_data);
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ply_frame_buffer_unpause_updates (plugin->frame_buffer);
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}
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static void
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start_animation (ply_boot_splash_plugin_t *plugin)
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{
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long width, height;
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ply_frame_buffer_area_t area;
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assert (plugin != NULL);
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assert (plugin->loop != NULL);
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ply_frame_buffer_fill_with_color (plugin->frame_buffer, NULL,
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0.0, 0.43, .71, 1.0);
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draw_logo (plugin);
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ply_frame_buffer_get_size (plugin->frame_buffer, &area);
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width = throbber_get_width (plugin->throbber);
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height = throbber_get_height (plugin->throbber);
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throbber_start (plugin->throbber,
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plugin->loop,
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plugin->frame_buffer,
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area.width / 2.0 - width / 2.0,
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area.width / 2.0 - height / 2.0);
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}
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static void
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stop_animation (ply_boot_splash_plugin_t *plugin)
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{
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int i;
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assert (plugin != NULL);
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assert (plugin->loop != NULL);
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throbber_stop (plugin->throbber);
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for (i = 0; i < 10; i++)
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{
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ply_frame_buffer_fill_with_color (plugin->frame_buffer, NULL,
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0.0, 0.43, .71, .1 + .1 * i);
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}
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ply_frame_buffer_fill_with_color (plugin->frame_buffer, NULL,
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0.0, 0.43, .71, 1.0);
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for (i = 0; i < 20; i++)
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{
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ply_frame_buffer_fill_with_color (plugin->frame_buffer, NULL,
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0.0, 0.0, 0.0, .05 + .05 * i);
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}
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ply_frame_buffer_fill_with_color (plugin->frame_buffer, NULL,
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0.0, 0.0, 0.0, 1.0);
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}
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static void
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on_interrupt (ply_boot_splash_plugin_t *plugin)
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{
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ply_event_loop_exit (plugin->loop, 1);
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stop_animation (plugin);
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ply_window_set_mode (plugin->window, PLY_WINDOW_MODE_TEXT);
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}
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static void
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detach_from_event_loop (ply_boot_splash_plugin_t *plugin)
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{
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plugin->loop = NULL;
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ply_window_set_mode (plugin->window, PLY_WINDOW_MODE_TEXT);
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}
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void
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on_keyboard_input (ply_boot_splash_plugin_t *plugin,
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const char *keyboard_input,
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size_t character_size)
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{
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if (plugin->password_answer_handler == NULL)
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return;
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plugin->entry->number_of_bullets++;
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draw_password_entry (plugin);
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}
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void
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on_backspace (ply_boot_splash_plugin_t *plugin)
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{
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plugin->entry->number_of_bullets--;
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draw_password_entry (plugin);
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}
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void
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on_enter (ply_boot_splash_plugin_t *plugin,
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const char *text)
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{
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if (plugin->password_answer_handler == NULL)
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return;
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plugin->password_answer_handler (plugin->password_answer_data,
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text);
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if (plugin->entry != NULL)
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{
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plugin->entry->number_of_bullets = 0;
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entry_free (plugin->entry);
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plugin->entry = NULL;
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}
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start_animation (plugin);
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}
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bool
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show_splash_screen (ply_boot_splash_plugin_t *plugin,
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ply_event_loop_t *loop,
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ply_window_t *window,
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ply_buffer_t *boot_buffer)
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{
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assert (plugin != NULL);
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assert (plugin->logo_image != NULL);
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assert (plugin->frame_buffer != NULL);
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ply_window_set_keyboard_input_handler (window,
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(ply_window_keyboard_input_handler_t)
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on_keyboard_input, plugin);
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ply_window_set_backspace_handler (window,
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(ply_window_backspace_handler_t)
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on_backspace, plugin);
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ply_window_set_enter_handler (window,
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(ply_window_enter_handler_t)
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on_enter, plugin);
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plugin->loop = loop;
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ply_event_loop_watch_for_exit (loop, (ply_event_loop_exit_handler_t)
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detach_from_event_loop,
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plugin);
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ply_trace ("loading logo image");
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if (!ply_image_load (plugin->logo_image))
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return false;
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ply_trace ("loading lock image");
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if (!ply_image_load (plugin->lock_image))
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return false;
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ply_trace ("loading bullet image");
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if (!ply_image_load (plugin->bullet_image))
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return false;
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ply_trace ("loading entry image");
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if (!ply_image_load (plugin->entry_image))
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return false;
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ply_trace ("loading box image");
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if (!ply_image_load (plugin->box_image))
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return false;
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ply_trace ("opening frame buffer");
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if (!ply_frame_buffer_open (plugin->frame_buffer))
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{
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ply_event_loop_stop_watching_for_exit (plugin->loop, (ply_event_loop_exit_handler_t)
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detach_from_event_loop,
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plugin);
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return false;
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}
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plugin->window = window;
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if (!ply_window_set_mode (plugin->window, PLY_WINDOW_MODE_GRAPHICS))
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return false;
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ply_event_loop_watch_signal (plugin->loop,
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SIGINT,
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(ply_event_handler_t)
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on_interrupt, plugin);
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ply_trace ("starting boot animation");
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start_animation (plugin);
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return true;
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}
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void
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update_status (ply_boot_splash_plugin_t *plugin,
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const char *status)
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{
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assert (plugin != NULL);
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}
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void
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hide_splash_screen (ply_boot_splash_plugin_t *plugin,
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ply_event_loop_t *loop,
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ply_window_t *window)
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{
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assert (plugin != NULL);
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ply_window_set_keyboard_input_handler (window, NULL, NULL);
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ply_window_set_backspace_handler (window, NULL, NULL);
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ply_window_set_enter_handler (window, NULL, NULL);
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if (plugin->loop != NULL)
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{
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stop_animation (plugin);
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ply_event_loop_stop_watching_for_exit (plugin->loop, (ply_event_loop_exit_handler_t)
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detach_from_event_loop,
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plugin);
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detach_from_event_loop (plugin);
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}
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ply_frame_buffer_close (plugin->frame_buffer);
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ply_window_set_mode (plugin->window, PLY_WINDOW_MODE_TEXT);
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}
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static void
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draw_password_entry (ply_boot_splash_plugin_t *plugin)
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{
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ply_frame_buffer_area_t bullet_area;
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uint32_t *box_data, *lock_data, *entry_data, *bullet_data;
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int i;
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ply_frame_buffer_pause_updates (plugin->frame_buffer);
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entry_data = ply_image_get_data (plugin->entry_image);
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lock_data = ply_image_get_data (plugin->lock_image);
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box_data = ply_image_get_data (plugin->box_image);
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ply_frame_buffer_fill_with_color (plugin->frame_buffer, &plugin->box_area,
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0.0, 0.43, .71, 1.0);
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ply_frame_buffer_fill_with_argb32_data (plugin->frame_buffer,
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&plugin->box_area, 0, 0,
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box_data);
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ply_frame_buffer_fill_with_argb32_data (plugin->frame_buffer,
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&plugin->entry->area, 0, 0,
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entry_data);
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ply_frame_buffer_fill_with_argb32_data (plugin->frame_buffer,
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&plugin->lock_area, 0, 0,
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lock_data);
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bullet_data = ply_image_get_data (plugin->bullet_image);
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bullet_area.width = ply_image_get_width (plugin->bullet_image);
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bullet_area.height = ply_image_get_height (plugin->bullet_image);
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for (i = 0; i < plugin->entry->number_of_bullets; i++)
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{
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bullet_area.x = plugin->entry->area.x + (i + 1) * bullet_area.width;
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bullet_area.y = plugin->entry->area.y + plugin->entry->area.height / 2.0 - bullet_area.height / 2.0;
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ply_frame_buffer_fill_with_argb32_data (plugin->frame_buffer,
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&bullet_area, 0, 0,
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bullet_data);
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}
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ply_frame_buffer_unpause_updates (plugin->frame_buffer);
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}
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static void
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show_password_entry (ply_boot_splash_plugin_t *plugin)
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{
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ply_frame_buffer_area_t area;
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int x, y;
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int entry_width, entry_height;
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assert (plugin != NULL);
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ply_frame_buffer_get_size (plugin->frame_buffer, &area);
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plugin->box_area.width = ply_image_get_width (plugin->box_image);
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plugin->box_area.height = ply_image_get_height (plugin->box_image);
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plugin->box_area.x = area.width / 2.0 - plugin->box_area.width / 2.0;
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plugin->box_area.y = area.height / 2.0 - plugin->box_area.height / 2.0;
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plugin->lock_area.width = ply_image_get_width (plugin->lock_image);
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plugin->lock_area.height = ply_image_get_height (plugin->lock_image);
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entry_width = ply_image_get_width (plugin->entry_image);
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entry_height = ply_image_get_height (plugin->entry_image);
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x = area.width / 2.0 - (plugin->lock_area.width + entry_width) / 2.0 + plugin->lock_area.width;
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y = area.height / 2.0 - entry_height / 2.0;
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plugin->entry = entry_new (x, y, entry_width, entry_height);
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plugin->lock_area.x = area.width / 2.0 - (plugin->lock_area.width + entry_width) / 2.0;
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plugin->lock_area.y = area.height / 2.0 - plugin->lock_area.height / 2.0;
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ply_frame_buffer_fill_with_color (plugin->frame_buffer, NULL,
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0.0, 0.43, .71, 1.0);
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draw_password_entry (plugin);
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}
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void
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ask_for_password (ply_boot_splash_plugin_t *plugin,
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ply_boot_splash_password_answer_handler_t answer_handler,
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void *answer_data)
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{
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plugin->password_answer_handler = answer_handler;
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plugin->password_answer_data = answer_data;
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stop_animation (plugin);
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show_password_entry (plugin);
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}
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ply_boot_splash_plugin_interface_t *
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ply_boot_splash_plugin_get_interface (void)
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{
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static ply_boot_splash_plugin_interface_t plugin_interface =
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{
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.create_plugin = create_plugin,
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.destroy_plugin = destroy_plugin,
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.show_splash_screen = show_splash_screen,
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.update_status = update_status,
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.hide_splash_screen = hide_splash_screen,
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.ask_for_password = ask_for_password,
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};
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return &plugin_interface;
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}
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/* vim: set ts=4 sw=4 expandtab autoindent cindent cino={.5s,(0: */
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