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/* --------------------------------------------------------------------------------------------

* Copyright (c) Microsoft Corporation. All Rights Reserved.

* See 'LICENSE' in the project root for license information.

* ------------------------------------------------------------------------------------------ */

'use strict';

import { CustomConfigurationProvider, Version } from 'vscode-cpptools';

import { CppToolsTestApi, CppToolsTestHook } from 'vscode-cpptools/out/testApi';

import { CustomConfigurationProvider1, getCustomConfigProviders, CustomConfigurationProviderCollection } from './LanguageServer/customProviders';

import { getOutputChannel } from './logger';

import * as LanguageServer from './LanguageServer/extension';

import * as test from './testHook';

export class CppTools implements CppToolsTestApi {

private version: Version;

private providers: CustomConfigurationProvider1[] = [];

private failedRegistrations: CustomConfigurationProvider[] = [];

private timers = new Map<string, NodeJS.Timer>();

constructor(version: Version) {

if (version > Version.latest) {

console.warn(`version ${version} is not supported by this version of cpptools`);

console.warn(` using ${Version.latest} instead`);

version = Version.latest;

}

this.version = version;

}

private addNotifyReadyTimer(provider: CustomConfigurationProvider1): void {

if (this.version >= Version.v2) {

const timeout: number = 30;

let timer: NodeJS.Timer = setTimeout(() => {

console.warn(`registered provider ${provider.extensionId} did not call 'notifyReady' within ${timeout} seconds`);

}, timeout * 1000);

this.timers.set(provider.extensionId, timer);

}

}

private removeNotifyReadyTimer(provider: CustomConfigurationProvider1): void {

if (this.version >= Version.v2) {

let timer: NodeJS.Timer = this.timers.get(provider.extensionId);

if (timer) {

this.timers.delete(provider.extensionId);

clearTimeout(timer);

}

}

}

public getVersion(): Version {

return this.version;

}

public registerCustomConfigurationProvider(provider: CustomConfigurationProvider): void {

let providers: CustomConfigurationProviderCollection = getCustomConfigProviders();

if (providers.add(provider, this.version)) {

let added: CustomConfigurationProvider1 = providers.get(provider);

getOutputChannel().appendLine(`Custom configuration provider '${added.name}' registered`);

this.providers.push(added);

LanguageServer.getClients().forEach(client => client.onRegisterCustomConfigurationProvider(added));

this.addNotifyReadyTimer(added);

} else {

this.failedRegistrations.push(provider);

}

}

public notifyReady(provider: CustomConfigurationProvider): void {

let providers: CustomConfigurationProviderCollection = getCustomConfigProviders();

let p: CustomConfigurationProvider1 = providers.get(provider);

if (p) {

this.removeNotifyReadyTimer(p);

p.isReady = true;

LanguageServer.getClients().forEach(client => {

client.updateCustomConfigurations(p);

client.updateCustomBrowseConfiguration(p);

});

} else if (this.failedRegistrations.find(p => p === provider)) {

console.warn("provider not successfully registered, 'notifyReady' ignored");

} else {

console.warn("provider should be registered before signaling it's ready to provide configurations");

}

}

public didChangeCustomConfiguration(provider: CustomConfigurationProvider): void {

let providers: CustomConfigurationProviderCollection = getCustomConfigProviders();

let p: CustomConfigurationProvider1 = providers.get(provider);

if (p) {

if (!p.isReady) {

console.warn("didChangeCustomConfiguration was invoked before notifyReady");

}

LanguageServer.getClients().forEach(client => client.updateCustomConfigurations(p));

} else if (this.failedRegistrations.find(p => p === provider)) {

console.warn("provider not successfully registered, 'didChangeCustomConfiguration' ignored");

} else {

console.warn("provider should be registered before sending config change messages");

}

}

public didChangeCustomBrowseConfiguration(provider: CustomConfigurationProvider): void {

let providers: CustomConfigurationProviderCollection = getCustomConfigProviders();

let p: CustomConfigurationProvider1 = providers.get(provider);

if (p) {

LanguageServer.getClients().forEach(client => client.updateCustomBrowseConfiguration(p));

} else if (this.failedRegistrations.find(p => p === provider)) {

console.warn("provider not successfully registered, 'didChangeCustomBrowseConfiguration' ignored");

} else {

console.warn("provider should be registered before sending config change messages");

}

}

public dispose(): void {

this.providers.forEach(provider => {

getCustomConfigProviders().remove(provider);

provider.dispose();

});

this.providers = [];

}

public getTestHook(): CppToolsTestHook {

return test.getTestHook();

}

}