content/xul/templates/src/nsContentTestNode.cpp@6474c204b198 (annotated)
content/xul/templates/src/nsContentTestNode.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: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| 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 "nsContentTestNode.h" |
| michael@0 | 7 | #include "nsIRDFResource.h" |
| michael@0 | 8 | #include "nsIAtom.h" |
| michael@0 | 9 | #include "nsIDOMElement.h" |
| michael@0 | 10 | #include "nsXULContentUtils.h" |
| michael@0 | 11 | #include "nsIXULTemplateResult.h" |
| michael@0 | 12 | #include "nsIXULTemplateBuilder.h" |
| michael@0 | 13 | #include "nsXULTemplateQueryProcessorRDF.h" |
| michael@0 | 14 | |
| michael@0 | 15 | #include "prlog.h" |
| michael@0 | 16 | #ifdef PR_LOGGING |
| michael@0 | 17 | extern PRLogModuleInfo* gXULTemplateLog; |
| michael@0 | 18 | #endif |
| michael@0 | 19 | |
| michael@0 | 20 | nsContentTestNode::nsContentTestNode(nsXULTemplateQueryProcessorRDF* aProcessor, |
| michael@0 | 21 | nsIAtom* aRefVariable) |
| michael@0 | 22 | : TestNode(nullptr), |
| michael@0 | 23 | mProcessor(aProcessor), |
| michael@0 | 24 | mDocument(nullptr), |
| michael@0 | 25 | mRefVariable(aRefVariable), |
| michael@0 | 26 | mTag(nullptr) |
| michael@0 | 27 | { |
| michael@0 | 28 | #ifdef PR_LOGGING |
| michael@0 | 29 | if (PR_LOG_TEST(gXULTemplateLog, PR_LOG_DEBUG)) { |
| michael@0 | 30 | nsAutoString tag(NS_LITERAL_STRING("(none)")); |
| michael@0 | 31 | if (mTag) |
| michael@0 | 32 | mTag->ToString(tag); |
| michael@0 | 33 | |
| michael@0 | 34 | nsAutoString refvar(NS_LITERAL_STRING("(none)")); |
| michael@0 | 35 | if (aRefVariable) |
| michael@0 | 36 | aRefVariable->ToString(refvar); |
| michael@0 | 37 | |
| michael@0 | 38 | PR_LOG(gXULTemplateLog, PR_LOG_DEBUG, |
| michael@0 | 39 | ("nsContentTestNode[%p]: ref-var=%s tag=%s", |
| michael@0 | 40 | this, NS_ConvertUTF16toUTF8(refvar).get(), |
| michael@0 | 41 | NS_ConvertUTF16toUTF8(tag).get())); |
| michael@0 | 42 | } |
| michael@0 | 43 | #endif |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | nsresult |
| michael@0 | 47 | nsContentTestNode::FilterInstantiations(InstantiationSet& aInstantiations, |
| michael@0 | 48 | bool* aCantHandleYet) const |
| michael@0 | 49 | |
| michael@0 | 50 | { |
| michael@0 | 51 | if (aCantHandleYet) |
| michael@0 | 52 | *aCantHandleYet = false; |
| michael@0 | 53 | return NS_OK; |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | nsresult |
| michael@0 | 57 | nsContentTestNode::Constrain(InstantiationSet& aInstantiations) |
| michael@0 | 58 | { |
| michael@0 | 59 | // contrain the matches to those that have matched in the template builder |
| michael@0 | 60 | |
| michael@0 | 61 | nsIXULTemplateBuilder* builder = mProcessor->GetBuilder(); |
| michael@0 | 62 | if (!builder) { |
| michael@0 | 63 | aInstantiations.Clear(); |
| michael@0 | 64 | return NS_OK; |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | nsresult rv; |
| michael@0 | 68 | |
| michael@0 | 69 | InstantiationSet::Iterator last = aInstantiations.Last(); |
| michael@0 | 70 | for (InstantiationSet::Iterator inst = aInstantiations.First(); inst != last; ++inst) { |
| michael@0 | 71 | |
| michael@0 | 72 | nsCOMPtr<nsIRDFNode> refValue; |
| michael@0 | 73 | bool hasRefBinding = inst->mAssignments.GetAssignmentFor(mRefVariable, |
| michael@0 | 74 | getter_AddRefs(refValue)); |
| michael@0 | 75 | if (hasRefBinding) { |
| michael@0 | 76 | nsCOMPtr<nsIRDFResource> refResource = do_QueryInterface(refValue); |
| michael@0 | 77 | if (refResource) { |
| michael@0 | 78 | bool generated; |
| michael@0 | 79 | rv = builder->HasGeneratedContent(refResource, mTag, &generated); |
| michael@0 | 80 | if (NS_FAILED(rv)) return rv; |
| michael@0 | 81 | |
| michael@0 | 82 | if (generated) |
| michael@0 | 83 | continue; |
| michael@0 | 84 | } |
| michael@0 | 85 | } |
| michael@0 | 86 | |
| michael@0 | 87 | aInstantiations.Erase(inst--); |
| michael@0 | 88 | } |
| michael@0 | 89 | |
| michael@0 | 90 | return NS_OK; |
| michael@0 | 91 | } |
