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-/*
- * Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
- *
- * 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/>.
- */
-
-#ifdef WITH_APPLE_IMAGE
-
-#import "cocoa/apple_image.h"
-
-#include "utils/config.h"
-#include "utils/utils.h"
-#include "netsurf/bitmap.h"
-#include "netsurf/plotters.h"
-#include "netsurf/content.h"
-#include "content/llcache.h"
-#include "content/content_protected.h"
-
-#import "cocoa/schedule.h"
-#import "cocoa/bitmap.h"
-
-typedef struct apple_image_content {
- struct content base;
-
- struct bitmap *bitmap; /**< Created NetSurf bitmap */
-
- NSUInteger frames;
- NSUInteger currentFrame;
- int *frameTimes;
-} apple_image_content;
-
-
-static void *apple_image_get_internal(const struct content *c, void *context)
-{
- apple_image_content *ai_c = (apple_image_content *)c;
-
- return ai_c->bitmap;
-}
-
-static nserror apple_image_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)
-{
- apple_image_content *ai;
- nserror error;
-
- ai = calloc(1, sizeof(apple_image_content));
- if (ai == NULL)
- return NSERROR_NOMEM;
-
- error = content__init(&ai->base, handler, imime_type, params,
- llcache, fallback_charset, quirks);
- if (error != NSERROR_OK) {
- free(ai);
- return error;
- }
-
- *c = (struct content *) ai;
-
- return NSERROR_OK;
-}
-
-
-static void animate_image_cb( void *ptr )
-{
- struct apple_image_content *ai = ptr;
- ++ai->currentFrame;
- if (ai->currentFrame >= ai->frames) ai->currentFrame = 0;
-
- [(NSBitmapImageRep *)ai->bitmap setProperty: NSImageCurrentFrame withValue: [NSNumber numberWithUnsignedInteger: ai->currentFrame]];
- cocoa_bitmap_modified( ai->bitmap );
-
- union content_msg_data data;
- data.redraw.full_redraw = true;
- data.redraw.x = data.redraw.object_x = 0;
- data.redraw.y = data.redraw.object_y = 0;
- data.redraw.width = data.redraw.object_width = ai->base.width;
- data.redraw.height = data.redraw.object_height = ai->base.height;
- data.redraw.object = &ai->base;
- content_broadcast( &ai->base, CONTENT_MSG_REDRAW, data );
-
- cocoa_schedule(ai->frameTimes[ai->currentFrame], animate_image_cb, ai );
-}
-
-/**
- * Convert a CONTENT_APPLE_IMAGE for display.
- */
-static bool apple_image_convert(struct content *c)
-{
- apple_image_content *ai_c = (apple_image_content *)c;
- unsigned long size;
- const char *bytes = content__get_source_data(c, &size);
-
- NSData *data = [NSData dataWithBytesNoCopy: (char *)bytes length: size freeWhenDone: NO];
- NSBitmapImageRep *image = [[NSBitmapImageRep imageRepWithData: data] retain];
-
- if (image == nil) {
- union content_msg_data msg_data;
- msg_data.error = "cannot decode image";
- content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
- return false;
- }
-
- c->width = [image pixelsWide];
- c->height = [image pixelsHigh];
- ai_c->bitmap = (void *)image;
-
- NSString *url = [NSString stringWithUTF8String: nsurl_access(llcache_handle_get_url( content_get_llcache_handle( c )) )];
- NSString *title = [NSString stringWithFormat: @"%@ (%dx%d)", [url lastPathComponent], c->width, c->height];
- content__set_title(c, [title UTF8String] );
-
- content_set_ready(c);
- content_set_done(c);
- content_set_status(c, "");
-
- struct apple_image_content *ai = (struct apple_image_content *)c;
- NSUInteger frames = [[image valueForProperty: NSImageFrameCount] unsignedIntegerValue];
- if (frames > 1) {
- ai->frames = frames;
- ai->currentFrame = 0;
- ai->frameTimes = calloc( ai->frames , sizeof(int));
- for (NSUInteger i = 0; i < frames; i++) {
- [image setProperty: NSImageCurrentFrame withValue: [NSNumber numberWithUnsignedInteger: i]];
- ai->frameTimes[i] = 1000 * [[image valueForProperty: NSImageCurrentFrameDuration] floatValue];
- }
- [image setProperty: NSImageCurrentFrame withValue: [NSNumber numberWithUnsignedInteger: 0]];
- cocoa_schedule( ai->frameTimes[0], animate_image_cb, ai );
- }
-
- return true;
-}
-
-
-static void apple_image_destroy(struct content *c)
-{
- apple_image_content *ai_c = (apple_image_content *)c;
-
- [(id)ai_c->bitmap release];
- ai_c->bitmap = NULL;
- cocoa_schedule(-1, animate_image_cb, c );
-}
-
-
-static nserror apple_image_clone(const struct content *old, struct content **newc)
-{
- apple_image_content *ai;
- apple_image_content *ai_old = (apple_image_content *)old;
- nserror error;
-
- ai = calloc(1, sizeof(apple_image_content));
- if (ai == NULL)
- return NSERROR_NOMEM;
-
- error = content__clone(old, &ai->base);
- if (error != NSERROR_OK) {
- content_destroy(&ai->base);
- return error;
- }
-
- if (old->status == CONTENT_STATUS_READY ||
- old->status == CONTENT_STATUS_DONE) {
- ai->base.width = old->width;
- ai->base.height = old->height;
- ai->bitmap = (void *)[(id)ai_old->bitmap retain];
- }
-
- *newc = (struct content *) ai;
-
- return NSERROR_OK;
-}
-
-static content_type apple_image_content_type(void)
-{
- return CONTENT_IMAGE;
-}
-
-/**
- * Redraw a CONTENT_APPLE_IMAGE with appropriate tiling.
- */
-static bool apple_image_redraw(struct content *c, struct content_redraw_data *data,
- const struct rect *clip, const struct redraw_context *ctx)
-{
- apple_image_content *ai_c = (apple_image_content *)c;
- bitmap_flags_t flags = BITMAPF_NONE;
-
- if (data->repeat_x)
- flags |= BITMAPF_REPEAT_X;
- if (data->repeat_y)
- flags |= BITMAPF_REPEAT_Y;
-
- return ctx->plot->bitmap(data->x, data->y, data->width, data->height,
- ai_c->bitmap, data->background_colour, flags);
-}
-
-static const content_handler apple_image_content_handler = {
- .create = apple_image_create,
- .data_complete = apple_image_convert,
- .destroy = apple_image_destroy,
- .redraw = apple_image_redraw,
- .clone = apple_image_clone,
- .get_internal = apple_image_get_internal,
- .type = apple_image_content_type,
- .no_share = false
-};
-
-static nserror register_for_type( NSString *mime )
-{
- const char *type = [mime UTF8String];
- /* nsgif has priority since it supports animated GIF */
-#ifdef WITH_GIF
- if (strcmp(type, "image/gif") == 0)
- return NSERROR_OK;
-#endif
-
- nserror error = content_factory_register_handler( type, &apple_image_content_handler );
- if (error != NSERROR_OK) return error;
-
- return NSERROR_OK;
-}
-
-/* exported interface documented in cocoa/apple_image.h */
-nserror apple_image_init(void)
-{
- NSArray *utis = [NSBitmapImageRep imageTypes];
- for (NSString *uti in utis) {
- NSDictionary *declaration = [(NSDictionary *)UTTypeCopyDeclaration( (CFStringRef)uti ) autorelease];
- id mimeTypes = [[declaration objectForKey: (NSString *)kUTTypeTagSpecificationKey] objectForKey: (NSString *)kUTTagClassMIMEType];
-
- if (mimeTypes == nil) continue;
-
- if (![mimeTypes isKindOfClass: [NSArray class]]) {
- mimeTypes = [NSArray arrayWithObject: mimeTypes];
- }
-
- for (NSString *mime in mimeTypes) {
- nserror error = register_for_type( mime );
- if (error != NSERROR_OK) return error;
- }
- }
-
- return NSERROR_OK;
-}
-
-#endif /* WITH_APPLE_IMAGE */