dt_sound.c

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/*
 * Copyright 2011 Chris Young <chris@unsatisfactorysoftware.co.uk>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf 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; version 2 of the License.
 *
 * NetSurf 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/>.
 */
 
/** \file
 * DataTypes sound handler (implementation)
*/
 
#ifdef WITH_AMIGA_DATATYPES
#include "amiga/os3support.h"
 
#include <string.h>
 
#include <proto/datatypes.h>
#include <proto/dos.h>
#include <proto/intuition.h>
#include <datatypes/soundclass.h>
#include <intuition/classusr.h>
 
#include "utils/log.h"
#include "utils/messages.h"
#include "netsurf/plotters.h"
#include "netsurf/content.h"
#include "html/box.h"
#include "content/llcache.h"
#include "content/content_protected.h"
#include "content/content_factory.h"
 
#include "amiga/filetype.h"
#include "amiga/datatypes.h"
 
 
typedef struct amiga_dt_sound_content {
        struct content base;
 
        Object *dto;
        bool immediate;
} amiga_dt_sound_content;
 
static nserror amiga_dt_sound_create(const content_handler *handler,
                lwc_string *imime_type, const struct http_parameter *params,
                llcache_handle *llcache, const char *fallback_charset,
                bool quirks, struct content **c);
static bool amiga_dt_sound_convert(struct content *c);
static void amiga_dt_sound_destroy(struct content *c);
static bool amiga_dt_sound_redraw(struct content *c,
                struct content_redraw_data *data, const struct rect *clip,
                const struct redraw_context *ctx);
static nserror amiga_dt_sound_open(struct content *c, struct browser_window *bw,
                struct content *page, struct object_params *params);
static nserror amiga_dt_sound_clone(const struct content *old, struct content **newc);
static content_type amiga_dt_sound_content_type(void);
 
static const content_handler amiga_dt_sound_content_handler = {
        .create = amiga_dt_sound_create,
        .data_complete = amiga_dt_sound_convert,
        .destroy = amiga_dt_sound_destroy,
        .redraw = amiga_dt_sound_redraw,
        .open = amiga_dt_sound_open,
        .clone = amiga_dt_sound_clone,
        .type = amiga_dt_sound_content_type,
        .no_share = false,
};
 
 
static void amiga_dt_sound_play(Object *dto)
{
        NSLOG(netsurf, INFO, "Playing...");
        IDoMethod(dto, DTM_TRIGGER, NULL, STM_PLAY, NULL);
}
 
 
nserror amiga_dt_sound_init(void)
{
        struct DataType *dt, *prevdt = NULL;
        lwc_string *type;
        nserror error;
        struct Node *node = NULL;
 
        while((dt = ObtainDataType(DTST_RAM, NULL,
                        DTA_DataType, prevdt,
                        DTA_GroupID, GID_SOUND,
                        TAG_DONE)) != NULL)
        {
                ReleaseDataType(prevdt);
                prevdt = dt;
 
                do {
                        node = ami_mime_from_datatype(dt, &type, node);
 
                        if(node)
                        {
                                error = content_factory_register_handler(
                                        lwc_string_data(type), 
                                        &amiga_dt_sound_content_handler);
 
                                if (error != NSERROR_OK)
                                        return error;
                        }
 
                }while (node != NULL);
 
        }
 
        ReleaseDataType(prevdt);
 
        return NSERROR_OK;
}
 
nserror amiga_dt_sound_create(const content_handler *handler,
                lwc_string *imime_type, const struct http_parameter *params,
                llcache_handle *llcache, const char *fallback_charset,
                bool quirks, struct content **c)
{
        amiga_dt_sound_content *plugin;
        nserror error;
 
        NSLOG(netsurf, INFO, "amiga_dt_sound_create");
 
        plugin = calloc(1, sizeof(amiga_dt_sound_content));
        if (plugin == NULL)
                return NSERROR_NOMEM;
 
        error = content__init(&plugin->base, handler, imime_type, params,
                        llcache, fallback_charset, quirks);
        if (error != NSERROR_OK) {
                free(plugin);
                return error;
        }
 
        *c = (struct content *) plugin;
 
        return NSERROR_OK;
}
 
bool amiga_dt_sound_convert(struct content *c)
{
        NSLOG(netsurf, INFO, "amiga_dt_sound_convert");
 
        amiga_dt_sound_content *plugin = (amiga_dt_sound_content *) c;
        int width = 50, height = 50;
        const uint8_t *data;
        size_t size;
 
        data = content__get_source_data(c, &size);
 
        plugin->dto = NewDTObject(NULL,
                                        DTA_SourceType, DTST_MEMORY,
                                        DTA_SourceAddress, data,
                                        DTA_SourceSize, size,
                                        DTA_GroupID, GID_SOUND,
                                        TAG_DONE);
 
        if(plugin->dto == NULL) return false;
 
        c->width = width;
        c->height = height;
 
        if(plugin->immediate == true) amiga_dt_sound_play(plugin->dto);
 
        content_set_ready(c);
        content_set_done(c);
 
        content_set_status(c, "");
        return true;
}
 
void amiga_dt_sound_destroy(struct content *c)
{
        amiga_dt_sound_content *plugin = (amiga_dt_sound_content *) c;
 
        NSLOG(netsurf, INFO, "amiga_dt_sound_destroy");
 
        DisposeDTObject(plugin->dto);
 
        return;
}
 
bool amiga_dt_sound_redraw(struct content *c,
                struct content_redraw_data *data, const struct rect *clip,
                const struct redraw_context *ctx)
{
        plot_style_t pstyle = {
                .fill_type = PLOT_OP_TYPE_SOLID,
                .fill_colour = 0xffffff,
                .stroke_colour = 0x000000,
                .stroke_width = plot_style_int_to_fixed(1),
        };
        struct rect rect;
 
        NSLOG(netsurf, INFO, "amiga_dt_sound_redraw");
 
        rect.x0 = data->x;
        rect.y0 = data->y;
        rect.x1 = data->x + data->width;
        rect.y1 = data->y + data->height;
 
        /* this should be some sort of play/stop control */
 
        ctx->plot->rectangle(ctx, &pstyle, &rect);
 
        return (ctx->plot->text(ctx,
                                plot_style_font,
                                data->x,
                                data->y+20,
                                lwc_string_data(content__get_mime_type(c)),
                                lwc_string_length(content__get_mime_type(c))) == NSERROR_OK);
 
}
 
 
nserror amiga_dt_sound_open(struct content *c, struct browser_window *bw,
        struct content *page, struct object_params *params)
{
        amiga_dt_sound_content *plugin = (amiga_dt_sound_content *) c;
        struct object_param *param;
 
        NSLOG(netsurf, INFO, "amiga_dt_sound_open");
 
        plugin->immediate = false;
 
        if(params && (param = params->params))
        {
                do
                {
                        NSLOG(netsurf, INFO, "%s = %s", param->name,
                              param->value);
                        if((strcmp(param->name, "autoplay") == 0) &&
                                (strcmp(param->value, "true") == 0)) plugin->immediate = true;
                        if((strcmp(param->name, "autoStart") == 0) &&
                                (strcmp(param->value, "1") == 0)) plugin->immediate = true;
                        param = param->next;
                } while(param != NULL);
        }
 
        if(plugin->dto && (plugin->immediate == true))
                amiga_dt_sound_play(plugin->dto);
 
        return NSERROR_OK;
}
 
 
nserror amiga_dt_sound_clone(const struct content *old, struct content **newc)
{
        amiga_dt_sound_content *plugin;
        nserror error;
 
        NSLOG(netsurf, INFO, "amiga_dt_sound_clone");
 
        plugin = calloc(1, sizeof(amiga_dt_sound_content));
        if (plugin == NULL)
                return NSERROR_NOMEM;
 
        error = content__clone(old, &plugin->base);
        if (error != NSERROR_OK) {
                content_destroy(&plugin->base);
                return error;
        }
 
        /* We "clone" the old content by replaying conversion */
        if (old->status == CONTENT_STATUS_READY || 
                        old->status == CONTENT_STATUS_DONE) {
                if (amiga_dt_sound_convert(&plugin->base) == false) {
                        content_destroy(&plugin->base);
                        return NSERROR_CLONE_FAILED;
                }
        }
 
        *newc = (struct content *) plugin;
 
        return NSERROR_OK;
}
 
content_type amiga_dt_sound_content_type(void)
{
        return CONTENT_PLUGIN;
}
 
#endif