The Tor Browser / file comparison
comparison: layout/ipc/PRenderFrame.ipdl
layout/ipc/PRenderFrame.ipdl
- branch
- TOR_BUG_9701
- changeset 12
- 7540298fafa1
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| -1:000000000000 | 0:b52b1afb29da |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * vim: sw=2 ts=8 et : | |
| 3 */ | |
| 4 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 include protocol PBrowser; | |
| 9 include protocol PLayerTransaction; | |
| 10 | |
| 11 | |
| 12 using class nsRegion from "nsRegion.h"; | |
| 13 | |
| 14 namespace mozilla { | |
| 15 namespace layout { | |
| 16 | |
| 17 /** | |
| 18 * PRenderFrame (in the layout sense of "frame") represents one web | |
| 19 * "page". It's used to graft content processes' layer trees into | |
| 20 * chrome's rendering path. The lifetime of a PRenderFrame is tied to | |
| 21 * its PresShell in the child process. | |
| 22 * | |
| 23 * The child process conceptually "owns" a PRenderFrame, because it | |
| 24 * only makes sense wrt documents loaded by the child. | |
| 25 */ | |
| 26 sync protocol PRenderFrame | |
| 27 { | |
| 28 manager PBrowser; | |
| 29 manages PLayerTransaction; | |
| 30 | |
| 31 parent: | |
| 32 /** | |
| 33 * Shadow layer trees can be grafted into the parent's in one of | |
| 34 * two ways | |
| 35 * - direct shadow tree: updates are sent to parent | |
| 36 * - indirect: the parent holds a reference (ID) to a shadow tree | |
| 37 * that's managed by the compositor. During composition, the | |
| 38 * shadow tree is looked up and grafted appropriately | |
| 39 * | |
| 40 * |id| is set to 0 in the "direct" case, and to a whole number | |
| 41 * in the "indirect" case. | |
| 42 */ | |
| 43 async PLayerTransaction(); | |
| 44 | |
| 45 async NotifyCompositorTransaction(); | |
| 46 | |
| 47 async UpdateHitRegion(nsRegion aRegion); | |
| 48 | |
| 49 async __delete__(); | |
| 50 | |
| 51 state EMPTY_OR_DIRECT_COMPOSITOR: | |
| 52 recv PLayerTransaction goto HAVE_CONTENT; | |
| 53 recv NotifyCompositorTransaction goto EMPTY_OR_DIRECT_COMPOSITOR; | |
| 54 recv UpdateHitRegion goto EMPTY_OR_DIRECT_COMPOSITOR; | |
| 55 recv __delete__; | |
| 56 | |
| 57 state HAVE_CONTENT: | |
| 58 recv NotifyCompositorTransaction goto HAVE_CONTENT; | |
| 59 recv UpdateHitRegion goto HAVE_CONTENT; | |
| 60 recv __delete__; | |
| 61 }; | |
| 62 | |
| 63 } // namespace layout | |
| 64 } // namespace mozilla |
