layout/base/MaskLayerImageCache.cpp@6474c204b198 (annotated)
layout/base/MaskLayerImageCache.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| 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 "MaskLayerImageCache.h" |
| michael@0 | 7 | #include "ImageContainer.h" |
| michael@0 | 8 | |
| michael@0 | 9 | using namespace mozilla::layers; |
| michael@0 | 10 | |
| michael@0 | 11 | namespace mozilla { |
| michael@0 | 12 | |
| michael@0 | 13 | MaskLayerImageCache::MaskLayerImageCache() |
| michael@0 | 14 | { |
| michael@0 | 15 | MOZ_COUNT_CTOR(MaskLayerImageCache); |
| michael@0 | 16 | } |
| michael@0 | 17 | MaskLayerImageCache::~MaskLayerImageCache() |
| michael@0 | 18 | { |
| michael@0 | 19 | MOZ_COUNT_DTOR(MaskLayerImageCache); |
| michael@0 | 20 | } |
| michael@0 | 21 | |
| michael@0 | 22 | |
| michael@0 | 23 | /* static */ PLDHashOperator |
| michael@0 | 24 | MaskLayerImageCache::SweepFunc(MaskLayerImageEntry* aEntry, |
| michael@0 | 25 | void* aUserArg) |
| michael@0 | 26 | { |
| michael@0 | 27 | const MaskLayerImageCache::MaskLayerImageKey* key = aEntry->mKey; |
| michael@0 | 28 | |
| michael@0 | 29 | if (key->mLayerCount == 0) { |
| michael@0 | 30 | return PL_DHASH_REMOVE; |
| michael@0 | 31 | } |
| michael@0 | 32 | |
| michael@0 | 33 | return PL_DHASH_NEXT; |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | void |
| michael@0 | 37 | MaskLayerImageCache::Sweep() |
| michael@0 | 38 | { |
| michael@0 | 39 | mMaskImageContainers.EnumerateEntries(SweepFunc, nullptr); |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | ImageContainer* |
| michael@0 | 43 | MaskLayerImageCache::FindImageFor(const MaskLayerImageKey** aKey) |
| michael@0 | 44 | { |
| michael@0 | 45 | if (MaskLayerImageEntry* entry = mMaskImageContainers.GetEntry(**aKey)) { |
| michael@0 | 46 | *aKey = entry->mKey.get(); |
| michael@0 | 47 | return entry->mContainer; |
| michael@0 | 48 | } |
| michael@0 | 49 | |
| michael@0 | 50 | return nullptr; |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | void |
| michael@0 | 54 | MaskLayerImageCache::PutImage(const MaskLayerImageKey* aKey, ImageContainer* aContainer) |
| michael@0 | 55 | { |
| michael@0 | 56 | MaskLayerImageEntry* entry = mMaskImageContainers.PutEntry(*aKey); |
| michael@0 | 57 | entry->mContainer = aContainer; |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | } |
