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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibWeb/DOM/HTMLImageElement.h>
#include <LibWeb/Loader/Resource.h>
namespace Web {
NonnullRefPtr<Resource> Resource::create(Badge<ResourceLoader>, const URL& url)
{
return adopt(*new Resource(url));
}
Resource::Resource(const URL& url)
: m_url(url)
{
}
Resource::~Resource()
{
}
void Resource::did_load(Badge<ResourceLoader>, const ByteBuffer& data, const HashMap<String, String, CaseInsensitiveStringTraits>& headers)
{
ASSERT(!m_loaded);
m_encoded_data = data;
m_response_headers = headers;
m_loaded = true;
for_each_client([](auto& client) {
client.resource_did_load();
});
}
void Resource::did_fail(Badge<ResourceLoader>, const String& error)
{
m_error = error;
m_failed = true;
for_each_client([](auto& client) {
client.resource_did_fail();
});
}
void Resource::register_client(Badge<ResourceClient>, ResourceClient& client)
{
ASSERT(!m_clients.contains(&client));
m_clients.set(&client);
}
void Resource::unregister_client(Badge<ResourceClient>, ResourceClient& client)
{
ASSERT(m_clients.contains(&client));
m_clients.remove(&client);
}
void ResourceClient::set_resource(Resource* resource)
{
if (m_resource)
m_resource->unregister_client({}, *this);
m_resource = resource;
if (m_resource) {
m_resource->register_client({}, *this);
// Make sure that reused resources also have their load callback fired.
if (resource->is_loaded())
resource_did_load();
// Make sure that reused resources also have their fail callback fired.
if (resource->is_failed())
resource_did_fail();
}
}
ResourceClient::~ResourceClient()
{
if (m_resource)
m_resource->unregister_client({}, *this);
}
}
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