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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=4 sw=4 et tw=80:
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_jsipc_JavaScriptChild_h_
+#define mozilla_jsipc_JavaScriptChild_h_
+
+#include "JavaScriptBase.h"
+#include "mozilla/jsipc/PJavaScriptChild.h"
+
+namespace mozilla {
+namespace jsipc {
+
+class JavaScriptChild : public JavaScriptBase<PJavaScriptChild>
+{
+ public:
+ JavaScriptChild() : strongReferenceObjIdMinimum_(0) {}
+ virtual ~JavaScriptChild();
+
+ bool init();
+ void trace(JSTracer* trc);
+ void updateWeakPointers();
+
+ void drop(JSObject* obj);
+
+ bool allowMessage(JSContext* cx) override { return true; }
+
+ protected:
+ virtual bool isParent() override { return false; }
+ virtual JSObject* scopeForTargetObjects() override;
+
+ bool RecvDropTemporaryStrongReferences(const uint64_t& upToObjId) override;
+
+ private:
+ bool fail(JSContext* cx, ReturnStatus* rs);
+ bool ok(ReturnStatus* rs);
+
+ // JavaScriptChild will keep strong references to JS objects that are
+ // referenced by the parent only if their ID is >=
+ // strongReferenceObjIdMinimum_.
+ uint64_t strongReferenceObjIdMinimum_;
+};
+
+} // namespace jsipc
+} // namespace mozilla
+
+#endif