dom/plugins/ipc/PBrowserStream.ipdl

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 include protocol PPluginInstance;
michael@0 7
michael@0 8
michael@0 9 using mozilla::plugins::Buffer from "mozilla/plugins/PluginMessageUtils.h";
michael@0 10 using mozilla::plugins::IPCByteRanges from "mozilla/plugins/PluginMessageUtils.h";
michael@0 11
michael@0 12 using NPError from "npapi.h";
michael@0 13 using NPReason from "npapi.h";
michael@0 14
michael@0 15 namespace mozilla {
michael@0 16 namespace plugins {
michael@0 17
michael@0 18 /**
michael@0 19 * NPBrowserStream represents a NPStream sent from the browser to the plugin.
michael@0 20 */
michael@0 21
michael@0 22 intr protocol PBrowserStream
michael@0 23 {
michael@0 24 manager PPluginInstance;
michael@0 25
michael@0 26 child:
michael@0 27 async Write(int32_t offset, Buffer data,
michael@0 28 uint32_t newlength);
michael@0 29 async NPP_StreamAsFile(nsCString fname);
michael@0 30
michael@0 31 /**
michael@0 32 * NPP_DestroyStream may race with other messages: the child acknowledges
michael@0 33 * the message with StreamDestroyed before this actor is deleted.
michael@0 34 */
michael@0 35 async NPP_DestroyStream(NPReason reason);
michael@0 36 async __delete__();
michael@0 37
michael@0 38 parent:
michael@0 39 intr NPN_RequestRead(IPCByteRanges ranges)
michael@0 40 returns (NPError result);
michael@0 41 async NPN_DestroyStream(NPReason reason);
michael@0 42 async StreamDestroyed();
michael@0 43
michael@0 44 /*
michael@0 45 TODO: turn on state machine.
michael@0 46
michael@0 47 // need configurable start state: if the constructor
michael@0 48 // returns an error in result, start state should
michael@0 49 // be DELETING.
michael@0 50 start state ALIVE:
michael@0 51 send Write goto ALIVE;
michael@0 52 call NPP_StreamAsFile goto ALIVE;
michael@0 53 send NPP_DestroyStream goto ALIVE;
michael@0 54 answer NPN_RequestRead goto ALIVE;
michael@0 55 recv NPN_DestroyStream goto DYING;
michael@0 56
michael@0 57 state DYING:
michael@0 58 answer NPN_RequestRead goto DYING;
michael@0 59 recv NPN_DestroyStream goto DYING;
michael@0 60 recv StreamDestroyed goto DELETING;
michael@0 61
michael@0 62 state DELETING:
michael@0 63 send __delete__;
michael@0 64 */
michael@0 65 };
michael@0 66
michael@0 67 } // namespace plugins
michael@0 68 } // namespace mozilla

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