diff options
Diffstat (limited to 'Libraries/LibWeb/Loader/Resource.cpp')
| -rw-r--r-- | Libraries/LibWeb/Loader/Resource.cpp | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/Libraries/LibWeb/Loader/Resource.cpp b/Libraries/LibWeb/Loader/Resource.cpp deleted file mode 100644 index 2cb6ebc52d..0000000000 --- a/Libraries/LibWeb/Loader/Resource.cpp +++ /dev/null @@ -1,168 +0,0 @@ -/* - * 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 <AK/Function.h> -#include <LibCore/MimeData.h> -#include <LibWeb/HTML/HTMLImageElement.h> -#include <LibWeb/Loader/Resource.h> - -namespace Web { - -NonnullRefPtr<Resource> Resource::create(Badge<ResourceLoader>, Type type, const LoadRequest& request) -{ - if (type == Type::Image) - return adopt(*new ImageResource(request)); - return adopt(*new Resource(type, request)); -} - -Resource::Resource(Type type, const LoadRequest& request) - : m_request(request) - , m_type(type) -{ -} - -Resource::~Resource() -{ -} - -void Resource::for_each_client(Function<void(ResourceClient&)> callback) -{ - Vector<WeakPtr<ResourceClient>, 16> clients_copy; - clients_copy.ensure_capacity(m_clients.size()); - for (auto* client : m_clients) - clients_copy.append(client->make_weak_ptr()); - for (auto client : clients_copy) { - if (client) - callback(*client); - } -} - -static String encoding_from_content_type(const String& content_type) -{ - auto offset = content_type.index_of("charset="); - if (offset.has_value()) { - auto encoding = content_type.substring(offset.value() + 8, content_type.length() - offset.value() - 8).to_lowercase(); - if (encoding.length() >= 2 && encoding.starts_with('"') && encoding.ends_with('"')) - return encoding.substring(1, encoding.length() - 2); - if (encoding.length() >= 2 && encoding.starts_with('\'') && encoding.ends_with('\'')) - return encoding.substring(1, encoding.length() - 2); - return encoding; - } - - return "utf-8"; -} - -static String mime_type_from_content_type(const String& content_type) -{ - auto offset = content_type.index_of(";"); - if (offset.has_value()) - return content_type.substring(0, offset.value()).to_lowercase(); - - return content_type; -} - -void Resource::did_load(Badge<ResourceLoader>, ReadonlyBytes data, const HashMap<String, String, CaseInsensitiveStringTraits>& headers) -{ - ASSERT(!m_loaded); - m_encoded_data = ByteBuffer::copy(data); - m_response_headers = headers; - m_loaded = true; - - auto content_type = headers.get("Content-Type"); - if (content_type.has_value()) { -#ifdef RESOURCE_DEBUG - dbgln("Content-Type header: '{}'", content_type.value()); -#endif - m_encoding = encoding_from_content_type(content_type.value()); - m_mime_type = mime_type_from_content_type(content_type.value()); - } else if (url().protocol() == "data" && !url().data_mime_type().is_empty()) { -#ifdef RESOURCE_DEBUG - dbg() << "This is a data URL with mime-type _" << url().data_mime_type() << "_"; -#endif - m_encoding = "utf-8"; // FIXME: This doesn't seem nice. - m_mime_type = url().data_mime_type(); - } else { -#ifdef RESOURCE_DEBUG - dbgln("No Content-Type header to go on! Guessing based on filename..."); -#endif - m_encoding = "utf-8"; // FIXME: This doesn't seem nice. - m_mime_type = Core::guess_mime_type_based_on_filename(url().path()); - } - - 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) { - ASSERT(resource->type() == client_type()); - - 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); -} - -} |