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021bb13602
Differential Revision: https://phabricator.services.mozilla.com/D40266 --HG-- extra : moz-landing-system : lando
48 lines
1.4 KiB
Text
48 lines
1.4 KiB
Text
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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include protocol PBackground;
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include protocol PChildToParentStream;
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include protocol PContent;
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include protocol PFileDescriptorSet;
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include protocol PParentToChildStream;
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include IPCStream;
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namespace mozilla {
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namespace dom {
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refcounted protocol PIPCBlobInputStream
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{
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manager PBackground or PContent;
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parent:
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async StreamNeeded();
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async LengthNeeded();
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// When this is called, the parent releases the inputStream and sends a
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// __delete__.
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async Close();
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child:
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async StreamReady(IPCStream? aStream);
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async LengthReady(int64_t aLength);
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both:
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// __delete__ can be called by parent and by child for 2 reasons:
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// - parent->child: This happens after a Close(). The child wants to inform
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// the parent that no other messages will be dispatched and
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// that the channel can be interrupted.
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// - child->parent: before any operation, the child could start a migration
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// from the current thread to a dedicated DOM-File one. The
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// reason why a __delete__ is sent from child to parent is
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// because it doesn't require any additional runnables.
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async __delete__();
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};
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} // namespace dom
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} // namespace mozilla
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