blob: ca9b48e74f8f47aa0a0c2b6d75f36fb8eccbf410 [file] [log] [blame]
/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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
* OWNER 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 "third_party/blink/renderer/core/dom/element_rare_data.h"
#include "third_party/blink/renderer/core/accessibility/ax_object_cache.h"
#include "third_party/blink/renderer/core/css/cssom/inline_style_property_map.h"
#include "third_party/blink/renderer/core/html/custom/element_internals.h"
#include "third_party/blink/renderer/core/resize_observer/resize_observation.h"
#include "third_party/blink/renderer/core/resize_observer/resize_observer.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
namespace blink {
struct SameSizeAsElementRareData : NodeRareData {
IntSize scroll_offset;
void* pointers_or_strings[3];
Member<void*> members[17];
bool flags[1];
};
ElementRareData::ElementRareData(NodeRenderingData* node_layout_data)
: NodeRareData(node_layout_data), class_list_(nullptr) {
is_element_rare_data_ = true;
}
ElementRareData::~ElementRareData() {
DCHECK(!pseudo_element_data_);
}
CSSStyleDeclaration& ElementRareData::EnsureInlineCSSStyleDeclaration(
Element* owner_element) {
if (!cssom_wrapper_) {
cssom_wrapper_ =
MakeGarbageCollected<InlineCSSStyleDeclaration>(owner_element);
}
return *cssom_wrapper_;
}
InlineStylePropertyMap& ElementRareData::EnsureInlineStylePropertyMap(
Element* owner_element) {
if (!cssom_map_wrapper_) {
cssom_map_wrapper_ =
MakeGarbageCollected<InlineStylePropertyMap>(owner_element);
}
return *cssom_map_wrapper_;
}
AttrNodeList& ElementRareData::EnsureAttrNodeList() {
if (!attr_node_list_)
attr_node_list_ = MakeGarbageCollected<AttrNodeList>();
return *attr_node_list_;
}
ElementRareData::ResizeObserverDataMap&
ElementRareData::EnsureResizeObserverData() {
if (!resize_observer_data_) {
resize_observer_data_ = MakeGarbageCollected<
HeapHashMap<Member<ResizeObserver>, Member<ResizeObservation>>>();
}
return *resize_observer_data_;
}
ElementInternals& ElementRareData::EnsureElementInternals(HTMLElement& target) {
if (element_internals_)
return *element_internals_;
element_internals_ = MakeGarbageCollected<ElementInternals>(target);
return *element_internals_;
}
void ElementRareData::TraceAfterDispatch(blink::Visitor* visitor) {
visitor->Trace(dataset_);
visitor->Trace(class_list_);
visitor->Trace(part_);
visitor->Trace(shadow_root_);
visitor->Trace(attribute_map_);
visitor->Trace(attr_node_list_);
visitor->Trace(element_animations_);
visitor->Trace(cssom_wrapper_);
visitor->Trace(cssom_map_wrapper_);
visitor->Trace(pseudo_element_data_);
visitor->Trace(accessible_node_);
visitor->Trace(display_lock_context_);
visitor->Trace(v0_custom_element_definition_);
visitor->Trace(custom_element_definition_);
visitor->Trace(element_internals_);
visitor->Trace(intersection_observer_data_);
visitor->Trace(resize_observer_data_);
NodeRareData::TraceAfterDispatch(visitor);
}
static_assert(sizeof(ElementRareData) == sizeof(SameSizeAsElementRareData),
"ElementRareData should stay small");
} // namespace blink