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authorAllan Sandfeld Jensen <allan.jensen@qt.io>2018-05-15 10:20:33 +0200
committerAllan Sandfeld Jensen <allan.jensen@qt.io>2018-05-15 10:28:57 +0000
commitd17ea114e5ef69ad5d5d7413280a13e6428098aa (patch)
tree2c01a75df69f30d27b1432467cfe7c1467a498da /chromium/third_party/blink/renderer/core/html/custom/custom_element_definition.h
parent8c5c43c7b138c9b4b0bf56d946e61d3bbc111bec (diff)
downloadqtwebengine-chromium-d17ea114e5ef69ad5d5d7413280a13e6428098aa.tar.gz
BASELINE: Update Chromium to 67.0.3396.47
Change-Id: Idcb1341782e417561a2473eeecc82642dafda5b7 Reviewed-by: Michal Klocek <michal.klocek@qt.io>
Diffstat (limited to 'chromium/third_party/blink/renderer/core/html/custom/custom_element_definition.h')
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1 files changed, 141 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/core/html/custom/custom_element_definition.h b/chromium/third_party/blink/renderer/core/html/custom/custom_element_definition.h
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+++ b/chromium/third_party/blink/renderer/core/html/custom/custom_element_definition.h
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+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_CUSTOM_ELEMENT_DEFINITION_H_
+#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_CUSTOM_ELEMENT_DEFINITION_H_
+
+#include "base/macros.h"
+#include "third_party/blink/renderer/bindings/core/v8/script_value.h"
+#include "third_party/blink/renderer/core/core_export.h"
+#include "third_party/blink/renderer/core/dom/create_element_flags.h"
+#include "third_party/blink/renderer/core/html/custom/custom_element_descriptor.h"
+#include "third_party/blink/renderer/platform/bindings/script_wrappable.h" // For TraceWrapperBase
+#include "third_party/blink/renderer/platform/heap/handle.h"
+#include "third_party/blink/renderer/platform/wtf/hash_set.h"
+#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
+#include "third_party/blink/renderer/platform/wtf/text/atomic_string_hash.h"
+
+namespace blink {
+
+class CSSStyleSheet;
+class Document;
+class Element;
+class ExceptionState;
+class HTMLElement;
+class QualifiedName;
+
+class CORE_EXPORT CustomElementDefinition
+ : public GarbageCollectedFinalized<CustomElementDefinition>,
+ public TraceWrapperBase {
+ public:
+ // Each definition has an ID that is unique within the
+ // CustomElementRegistry that created it.
+ using Id = uint32_t;
+
+ virtual ~CustomElementDefinition();
+
+ virtual void Trace(blink::Visitor*);
+ void TraceWrappers(const ScriptWrappableVisitor* visitor) const override {}
+ const char* NameInHeapSnapshot() const override {
+ return "CustomElementDefinition";
+ }
+
+ const CustomElementDescriptor& Descriptor() { return descriptor_; }
+
+ // TODO(yosin): To support Web Modules, introduce an abstract
+ // class |CustomElementConstructor| to allow us to have JavaScript
+ // and C++ constructors and ask the binding layer to convert
+ // |CustomElementConstructor| to |ScriptValue|. Replace
+ // |getConstructorForScript()| by |getConstructor() ->
+ // CustomElementConstructor|.
+ virtual ScriptValue GetConstructorForScript() = 0;
+
+ using ConstructionStack = HeapVector<Member<Element>, 1>;
+ ConstructionStack& GetConstructionStack() { return construction_stack_; }
+
+ HTMLElement* CreateElementForConstructor(Document&);
+ virtual HTMLElement* CreateAutonomousCustomElementSync(
+ Document&,
+ const QualifiedName&) = 0;
+ HTMLElement* CreateElement(Document&,
+ const QualifiedName&,
+ const CreateElementFlags);
+
+ void Upgrade(Element*);
+
+ virtual bool HasConnectedCallback() const = 0;
+ virtual bool HasDisconnectedCallback() const = 0;
+ virtual bool HasAdoptedCallback() const = 0;
+ bool HasAttributeChangedCallback(const QualifiedName&) const;
+ bool HasStyleAttributeChangedCallback() const;
+
+ virtual void RunConnectedCallback(Element*) = 0;
+ virtual void RunDisconnectedCallback(Element*) = 0;
+ virtual void RunAdoptedCallback(Element*,
+ Document* old_owner,
+ Document* new_owner) = 0;
+ virtual void RunAttributeChangedCallback(Element*,
+ const QualifiedName&,
+ const AtomicString& old_value,
+ const AtomicString& new_value) = 0;
+
+ void EnqueueUpgradeReaction(Element*);
+ void EnqueueConnectedCallback(Element*);
+ void EnqueueDisconnectedCallback(Element*);
+ void EnqueueAdoptedCallback(Element*,
+ Document* old_owner,
+ Document* new_owner);
+ void EnqueueAttributeChangedCallback(Element*,
+ const QualifiedName&,
+ const AtomicString& old_value,
+ const AtomicString& new_value);
+
+ CSSStyleSheet* DefaultStyleSheet() const { return default_style_sheet_; }
+
+ class CORE_EXPORT ConstructionStackScope final {
+ STACK_ALLOCATED();
+ DISALLOW_COPY_AND_ASSIGN(ConstructionStackScope);
+
+ public:
+ ConstructionStackScope(CustomElementDefinition*, Element*);
+ ~ConstructionStackScope();
+
+ private:
+ ConstructionStack& construction_stack_;
+ Member<Element> element_;
+ size_t depth_;
+ };
+
+ protected:
+ CustomElementDefinition(const CustomElementDescriptor&);
+
+ CustomElementDefinition(const CustomElementDescriptor&, CSSStyleSheet*);
+
+ CustomElementDefinition(const CustomElementDescriptor&,
+ CSSStyleSheet*,
+ const HashSet<AtomicString>& observed_attributes);
+
+ virtual bool RunConstructor(Element*) = 0;
+
+ static void CheckConstructorResult(Element*,
+ Document&,
+ const QualifiedName&,
+ ExceptionState&);
+
+ private:
+ const CustomElementDescriptor descriptor_;
+ ConstructionStack construction_stack_;
+ HashSet<AtomicString> observed_attributes_;
+ bool has_style_attribute_changed_callback_;
+
+ const Member<CSSStyleSheet> default_style_sheet_;
+
+ void EnqueueAttributeChangedCallbackForAllAttributes(Element*);
+
+ DISALLOW_COPY_AND_ASSIGN(CustomElementDefinition);
+};
+
+} // namespace blink
+
+#endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_CUSTOM_ELEMENT_DEFINITION_H_