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authorGaming4JC <g4jc@hyperbola.info>2020-01-05 18:15:57 -0500
committerGaming4JC <g4jc@hyperbola.info>2020-01-26 15:50:30 -0500
commit8e6ce5fae721e5a4caf38b0b72e1c4a0324ae55e (patch)
tree1c398b6e727da3fd13829209835ede7a427eac97 /dom/base/CustomElementRegistry.h
parent6bbb9f062b63c5a920b1d240ba0d8575150dd01a (diff)
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Bug 1121994 - Implement adopted callback for custom elements.
Tag UXP Issue #1344
Diffstat (limited to 'dom/base/CustomElementRegistry.h')
-rw-r--r--dom/base/CustomElementRegistry.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/dom/base/CustomElementRegistry.h b/dom/base/CustomElementRegistry.h
index 30e2c00ab..e9b2bee56 100644
--- a/dom/base/CustomElementRegistry.h
+++ b/dom/base/CustomElementRegistry.h
@@ -38,6 +38,12 @@ struct LifecycleCallbackArgs
nsString namespaceURI;
};
+struct LifecycleAdoptedCallbackArgs
+{
+ nsCOMPtr<nsIDocument> mOldDocument;
+ nsCOMPtr<nsIDocument> mNewDocument;
+};
+
class CustomElementCallback
{
public:
@@ -54,6 +60,13 @@ public:
mArgs = aArgs;
}
+ void SetAdoptedCallbackArgs(LifecycleAdoptedCallbackArgs& aAdoptedCallbackArgs)
+ {
+ MOZ_ASSERT(mType == nsIDocument::eAdopted,
+ "Arguments are only used by adopted callback.");
+ mAdoptedCallbackArgs = aAdoptedCallbackArgs;
+ }
+
private:
// The this value to use for invocation of the callback.
RefPtr<Element> mThisObject;
@@ -63,6 +76,7 @@ private:
// Arguments to be passed to the callback,
// used by the attribute changed callback.
LifecycleCallbackArgs mArgs;
+ LifecycleAdoptedCallbackArgs mAdoptedCallbackArgs;
// CustomElementData that contains this callback in the
// callback queue.
CustomElementData* mOwnerData;
@@ -365,6 +379,7 @@ public:
static void EnqueueLifecycleCallback(nsIDocument::ElementCallbackType aType,
Element* aCustomElement,
LifecycleCallbackArgs* aArgs,
+ LifecycleAdoptedCallbackArgs* aAdoptedCallbackArgs,
CustomElementDefinition* aDefinition);
void GetCustomPrototype(nsIAtom* aAtom,
@@ -381,7 +396,9 @@ private:
static UniquePtr<CustomElementCallback> CreateCustomElementCallback(
nsIDocument::ElementCallbackType aType, Element* aCustomElement,
- LifecycleCallbackArgs* aArgs, CustomElementDefinition* aDefinition);
+ LifecycleCallbackArgs* aArgs,
+ LifecycleAdoptedCallbackArgs* aAdoptedCallbackArgs,
+ CustomElementDefinition* aDefinition);
/**
* Registers an unresolved custom element that is a candidate for