// 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(); }); } }