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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import { SourceResolver, sourcePositionValid } from "../src/source-resolver";
import { ClearableHandler, SelectionHandler, NodeSelectionHandler, BlockSelectionHandler, InstructionSelectionHandler } from "../src/selection-handler";
export class SelectionBroker {
sourceResolver: SourceResolver;
allHandlers: Array<ClearableHandler>;
sourcePositionHandlers: Array<SelectionHandler>;
nodeHandlers: Array<NodeSelectionHandler>;
blockHandlers: Array<BlockSelectionHandler>;
instructionHandlers: Array<InstructionSelectionHandler>;
constructor(sourceResolver) {
this.allHandlers = [];
this.sourcePositionHandlers = [];
this.nodeHandlers = [];
this.blockHandlers = [];
this.instructionHandlers = [];
this.sourceResolver = sourceResolver;
}
addSourcePositionHandler(handler: SelectionHandler & ClearableHandler) {
this.allHandlers.push(handler);
this.sourcePositionHandlers.push(handler);
}
addNodeHandler(handler: NodeSelectionHandler & ClearableHandler) {
this.allHandlers.push(handler);
this.nodeHandlers.push(handler);
}
addBlockHandler(handler: BlockSelectionHandler & ClearableHandler) {
this.allHandlers.push(handler);
this.blockHandlers.push(handler);
}
addInstructionHandler(handler: InstructionSelectionHandler & ClearableHandler) {
this.allHandlers.push(handler);
this.instructionHandlers.push(handler);
}
broadcastInstructionSelect(from, instructionOffsets, selected) {
for (const b of this.instructionHandlers) {
if (b != from) b.brokeredInstructionSelect(instructionOffsets, selected);
}
}
broadcastSourcePositionSelect(from, sourcePositions, selected) {
sourcePositions = sourcePositions.filter(l => {
if (!sourcePositionValid(l)) {
console.log("Warning: invalid source position");
return false;
}
return true;
});
for (const b of this.sourcePositionHandlers) {
if (b != from) b.brokeredSourcePositionSelect(sourcePositions, selected);
}
const nodes = this.sourceResolver.sourcePositionsToNodeIds(sourcePositions);
for (const b of this.nodeHandlers) {
if (b != from) b.brokeredNodeSelect(nodes, selected);
}
}
broadcastNodeSelect(from, nodes, selected) {
for (const b of this.nodeHandlers) {
if (b != from) b.brokeredNodeSelect(nodes, selected);
}
const sourcePositions = this.sourceResolver.nodeIdsToSourcePositions(nodes);
for (const b of this.sourcePositionHandlers) {
if (b != from) b.brokeredSourcePositionSelect(sourcePositions, selected);
}
}
broadcastBlockSelect(from, blocks, selected) {
for (const b of this.blockHandlers) {
if (b != from) b.brokeredBlockSelect(blocks, selected);
}
}
broadcastClear(from) {
this.allHandlers.forEach(function (b) {
if (b != from) b.brokeredClear();
});
}
}