Add notification manager API

packages/plugin-ext/src/api/plugin-api.ts

@@ -56,6 +56,18 @@ export interface PickOpenItem {
     detail?: string;
     picked?: boolean;
 }
+
+export interface MessageRegistryMain {
+    $showInformationMessage (message: string,
+                             optionsOrFirstItem: theia.MessageOptions | string | theia.MessageItem,
+                             items: string[] | theia.MessageItem[]): PromiseLike<string | theia.MessageItem | undefined>;
+    $showWarningMessage (message: string,
+                         optionsOrFirstItem: theia.MessageOptions | string | theia.MessageItem,
+                         items: string[] | theia.MessageItem[]): PromiseLike<string | theia.MessageItem | undefined>;
+    $showErrorMessage (message: string,
+                       optionsOrFirstItem: theia.MessageOptions | string | theia.MessageItem,
+                       items: string[] | theia.MessageItem[]): PromiseLike<string | theia.MessageItem | undefined>;
+}
 export interface QuickOpenExt {
     $onItemSelected(handle: number): void;
     $validateInput(input: string): PromiseLike<string> | undefined;
@@ -70,7 +82,8 @@ export interface QuickOpenMain {
 
 export const PLUGIN_RPC_CONTEXT = {
     COMMAND_REGISTRY_MAIN: <ProxyIdentifier<CommandRegistryMain>>createProxyIdentifier<CommandRegistryMain>('CommandRegistryMain'),
-    QUICK_OPEN_MAIN: createProxyIdentifier<QuickOpenMain>('QuickOpenMain')
+    QUICK_OPEN_MAIN: createProxyIdentifier<QuickOpenMain>('QuickOpenMain'),
+    MESSAGE_REGISTRY_MAIN: <ProxyIdentifier<MessageRegistryMain>>createProxyIdentifier<MessageRegistryMain>('MessageRegistryMain')
 };
 
 export const MAIN_RPC_CONTEXT = {

packages/plugin-ext/src/hosted/browser/worker/worker-main.ts

@@ -14,15 +14,15 @@ import { createAPI, startPlugin } from '../../../plugin/plugin-context';
 const ctx = self as any;
 const plugins = new Map<string, () => void>();
 
-const emmitter = new Emitter();
+const emitter = new Emitter();
 const rpc = new RPCProtocolImpl({
-    onMessage: emmitter.event,
+    onMessage: emitter.event,
     send: (m: {}) => {
         ctx.postMessage(m);
     }
 });
 addEventListener('message', (message: any) => {
-    emmitter.fire(message.data);
+    emitter.fire(message.data);
 });
 
 const theia = createAPI(rpc);

packages/plugin-ext/src/hosted/node/hosted-plugin.ts

@@ -57,12 +57,12 @@ export class HostedPluginSupport {
     }
 
     private terminatePluginServer(cp: cp.ChildProcess) {
-        const emmitter = new Emitter();
+        const emitter = new Emitter();
         cp.on('message', message => {
-            emmitter.fire(JSON.parse(message));
+            emitter.fire(JSON.parse(message));
         });
         const rpc = new RPCProtocolImpl({
-            onMessage: emmitter.event,
+            onMessage: emitter.event,
             send: (m: {}) => {
                 if (cp.send) {
                     cp.send(JSON.stringify(m));

packages/plugin-ext/src/main/browser/dialogs/modal-notification.ts

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2018 Red Hat, Inc. and others.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ */
+import {injectable} from 'inversify';
+import {Message} from '@phosphor/messaging';
+import {Key} from '@theia/core/lib/browser';
+import {MessageType} from '../message-registry-main';
+import {AbstractDialog} from '@theia/core/lib/browser/dialogs';
+import '../../../../src/main/browser/dialogs/style/modal-notification.css';
+
+const NOTIFICATION = 'theia-Notification';
+const ICON = 'icon';
+const TEXT = 'text';
+
+@injectable()
+export class ModalNotification extends AbstractDialog<string | undefined> {
+
+    protected actionTitle: string | undefined;
+
+    constructor() {
+        super({title: 'Theia'});
+    }
+
+    protected onCloseRequest(msg: Message): void {
+        this.actionTitle = undefined;
+        this.accept();
+    }
+
+    get value(): string | undefined {
+        return this.actionTitle;
+    }
+
+    showDialog(messageType: MessageType, text: string, actions: string[]): Promise<string | undefined> {
+        this.contentNode.appendChild(this.createMessageNode(messageType, text, actions));
+        return this.open();
+    }
+
+    protected createMessageNode(messageType: MessageType, text: string, actions: string[]): HTMLElement {
+        const messageNode = document.createElement('div');
+        messageNode.classList.add(NOTIFICATION);
+
+        const iconContainer = messageNode.appendChild(document.createElement('div'));
+        iconContainer.classList.add(ICON);
+        const iconElement = iconContainer.appendChild(document.createElement('i'));
+        iconElement.classList.add('fa', this.toIconClass(messageType), 'fa-fw', messageType);
+
+        const textContainer = messageNode.appendChild(document.createElement('div'));
+        textContainer.classList.add(TEXT);
+        const textElement = textContainer.appendChild(document.createElement('span'));
+        textElement.textContent = text;
+
+        actions.forEach((action: string) => {
+            const button = this.createButton(action);
+            button.classList.add('main');
+            this.controlPanel.appendChild(button);
+            this.addKeyListener(button,
+                Key.ENTER,
+                () => {
+                    this.actionTitle = action;
+                    this.accept();
+                },
+                'click');
+        });
+        this.appendCloseButton('close');
+
+        return messageNode;
+    }
+
+    protected toIconClass(icon: string): string {
+        if (icon === MessageType.Error) {
+            return 'fa-times-circle';
+        }
+        if (icon === MessageType.Warning) {
+            return 'fa-warning';
+        }
+        return 'fa-info-circle';
+    }
+}

packages/plugin-ext/src/main/browser/dialogs/style/modal-notification.css

@@ -0,0 +1,16 @@
+/*
+* Copyright (C) 2018 Red Hat, Inc. and others.
+*
+* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+*/
+.dialogContent .theia-Notification {
+    min-width: inherit;
+    box-shadow: none;
+    animation: none;
+}
+
+.dialogContent .theia-Notification .icon {
+    font-size: 20px;
+    padding: 5px 0;
+}

packages/plugin-ext/src/main/browser/main-context.ts

@@ -9,11 +9,15 @@ import { CommandRegistryMainImpl } from './command-registry-main';
 import { QuickOpenMainImpl } from './quick-open-main';
 import { RPCProtocol } from '../../api/rpc-protocol';
 import { PLUGIN_RPC_CONTEXT } from '../../api/plugin-api';
+import { MessageRegistryMainImpl } from './message-registry-main';
 
 export function setUpPluginApi(rpc: RPCProtocol, container: interfaces.Container): void {
     const commandRegistryMain = new CommandRegistryMainImpl(rpc, container);
     rpc.set(PLUGIN_RPC_CONTEXT.COMMAND_REGISTRY_MAIN, commandRegistryMain);
 
     const quickOpenMain = new QuickOpenMainImpl(rpc, container);
     rpc.set(PLUGIN_RPC_CONTEXT.QUICK_OPEN_MAIN, quickOpenMain);
+
+    const messageRegistryMain = new MessageRegistryMainImpl(container);
+    rpc.set(PLUGIN_RPC_CONTEXT.MESSAGE_REGISTRY_MAIN, messageRegistryMain);
 }

packages/plugin-ext/src/main/browser/message-registry-main.ts

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2018 Red Hat, Inc. and others.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ */
+import {interfaces} from 'inversify';
+import * as theia from '@theia/plugin';
+import {MessageService} from '@theia/core/lib/common/message-service';
+import {MessageRegistryMain} from '../../api/plugin-api';
+import {ModalNotification} from './dialogs/modal-notification';
+
+export enum MessageType {
+    Error = 'error',
+    Warning = 'warning',
+    Info = 'info'
+}
+
+export class MessageRegistryMainImpl implements MessageRegistryMain {
+    private messageService: MessageService;
+
+    constructor(container: interfaces.Container) {
+        this.messageService = container.get(MessageService);
+    }
+
+    $showInformationMessage(message: string,
+                            optionsOrFirstItem: theia.MessageOptions | string | theia.MessageItem,
+                            items: string[] | theia.MessageItem[]): PromiseLike<string | theia.MessageItem | undefined> {
+        return this.showMessage(MessageType.Info, message, optionsOrFirstItem, ...items);
+    }
+
+    $showWarningMessage(message: string,
+                        optionsOrFirstItem: theia.MessageOptions | string | theia.MessageItem,
+                        items: string[] | theia.MessageItem[]): PromiseLike<string | theia.MessageItem | undefined> {
+        return this.showMessage(MessageType.Warning, message, optionsOrFirstItem, ...items);
+    }
+
+    $showErrorMessage(message: string,
+                      optionsOrFirstItem: theia.MessageOptions | string | theia.MessageItem,
+                      items: string[] | theia.MessageItem[]): PromiseLike<string | theia.MessageItem | undefined> {
+        return this.showMessage(MessageType.Error, message, optionsOrFirstItem, ...items);
+    }
+
+    protected showMessage(type: MessageType, message: string, ...args: any[]): PromiseLike<string | theia.MessageItem | undefined> {
+        const actionsMap = new Map<string, any>();
+        const actionTitles: string[] = [];
+        const options: theia.MessageOptions = {modal: false};
+
+        let onCloseAction: string;
+        if (!!args && args.length > 0) {
+            const first = args[0];
+            if (first && first.modal) {
+                options.modal = true;
+            }
+            args.forEach(arg => {
+                if (!arg) {
+                    return;
+                }
+                let actionTitle: string;
+                if (typeof arg === 'string') {
+                    actionTitle = arg;
+                } else if (arg.title) {
+                    actionTitle = arg.title;
+                    actionsMap.set(actionTitle, arg);
+                    if (arg.isCloseAffordance) {
+                        onCloseAction = arg.title;
+                    }
+                } else {
+                    return;
+                }
+                actionTitles.push(actionTitle);
+            });
+        }
+
+        let promise: Promise<string | undefined>;
+
+        try {
+            if (options.modal) {
+                const modalNotification = new ModalNotification();
+                promise = modalNotification.showDialog(type, message, actionTitles).then(result => {
+                    return result !== undefined ? result : onCloseAction;
+                });
+            } else {
+                switch (type) {
+                    case MessageType.Info:
+                        promise = this.messageService.info(message, ...actionTitles);
+                        break;
+                    case MessageType.Warning:
+                        promise = this.messageService.warn(message, ...actionTitles);
+                        break;
+                    case MessageType.Error:
+                        promise = this.messageService.error(message, ...actionTitles);
+                        break;
+                    default:
+                        return Promise.reject(new Error(`Message type '${type}' is not supported yet!`));
+                }
+            }
+        } catch (e) {
+            return Promise.reject(e);
+        }
+
+        return Promise.resolve(promise.then(result => !!result && actionsMap.has(result) ? actionsMap.get(result) : result));
+    }
+}

packages/plugin-ext/src/main/browser/plugin-ext-frontend-module.ts

@@ -15,8 +15,11 @@ import { HostedPluginManagerClient } from "./plugin-manager-client";
 import { PluginApiFrontendContribution } from "./plugin-frontend-contribution";
 import { setUpPluginApi } from "./main-context";
 import { HostedPluginServer, hostedServicePath } from "../../common/plugin-protocol";
+import { ModalNotification } from './dialogs/modal-notification';
 
 export default new ContainerModule(bind => {
+    bind(ModalNotification).toSelf().inSingletonScope();
+
     bind(PluginWorker).toSelf().inSingletonScope();
     bind(HostedPluginSupport).toSelf().inSingletonScope();
     bind(HostedPluginWatcher).toSelf().inSingletonScope();

packages/plugin-ext/src/plugin/message-registry.ts

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2018 Red Hat, Inc. and others.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ */
+import {
+    PLUGIN_RPC_CONTEXT as Ext, MessageRegistryMain
+} from '../api/plugin-api';
+import {RPCProtocol} from '../api/rpc-protocol';
+import {MessageItem, MessageOptions} from "@theia/plugin";
+
+export class MessageRegistryExt {
+
+    private proxy: MessageRegistryMain;
+
+    constructor(rpc: RPCProtocol) {
+        this.proxy = rpc.getProxy(Ext.MESSAGE_REGISTRY_MAIN);
+    }
+
+    showInformationMessage(message: string,
+                           optionsOrFirstItem: MessageOptions | string | MessageItem,
+                           items: string[] | MessageItem[]): PromiseLike<string | MessageItem | undefined> {
+        return this.proxy.$showInformationMessage(message, optionsOrFirstItem, items);
+    }
+
+    showWarningMessage(message: string,
+                           optionsOrFirstItem: MessageOptions | string | MessageItem,
+                           items: string[] | MessageItem[]): PromiseLike<string | MessageItem | undefined> {
+        return this.proxy.$showWarningMessage(message, optionsOrFirstItem, items);
+    }
+
+    showErrorMessage(message: string,
+                           optionsOrFirstItem: MessageOptions | string | MessageItem,
+                           items: string[] | MessageItem[]): PromiseLike<string | MessageItem | undefined> {
+        return this.proxy.$showErrorMessage(message, optionsOrFirstItem, items);
+    }
+}

packages/plugin-ext/src/plugin/plugin-context.ts

@@ -13,10 +13,12 @@ import { MAIN_RPC_CONTEXT, Plugin } from '../api/plugin-api';
 import { RPCProtocol } from '../api/rpc-protocol';
 import { getPluginId } from '../common/plugin-protocol';
 import { Disposable } from './types-impl';
+import { MessageRegistryExt } from './message-registry';
 
 export function createAPI(rpc: RPCProtocol): typeof theia {
     const commandRegistryExt = rpc.set(MAIN_RPC_CONTEXT.COMMAND_REGISTRY_EXT, new CommandRegistryImpl(rpc));
     const quickOpenExt = rpc.set(MAIN_RPC_CONTEXT.QUICK_OPEN_EXT, new QuickOpenExtImpl(rpc));
+    const messageRegistryExt = new MessageRegistryExt(rpc);
 
     const commands: typeof theia.commands = {
         registerCommand(command: theia.Command, handler?: <T>(...args: any[]) => T | Thenable<T>): Disposable {
@@ -36,6 +38,21 @@ export function createAPI(rpc: RPCProtocol): typeof theia {
     const window: typeof theia.window = {
         showQuickPick(items: any, options: theia.QuickPickOptions, token?: theia.CancellationToken): any {
             return quickOpenExt.showQuickPick(items, options, token);
+        },
+        showInformationMessage(message: string,
+                               optionsOrFirstItem: theia.MessageOptions | string | theia.MessageItem,
+                               ...items: any[]): PromiseLike<any> {
+            return messageRegistryExt.showInformationMessage(message, optionsOrFirstItem, items);
+        },
+        showWarningMessage(message: string,
+                           optionsOrFirstItem: theia.MessageOptions | string | theia.MessageItem,
+                           ...items: any[]): PromiseLike<any> {
+            return messageRegistryExt.showWarningMessage(message, optionsOrFirstItem, items);
+        },
+        showErrorMessage(message: string,
+                         optionsOrFirstItem: theia.MessageOptions | string | theia.MessageItem,
+                         ...items: any[]): PromiseLike<any> {
+            return messageRegistryExt.showErrorMessage(message, optionsOrFirstItem, items);
         }
     };
 

packages/plugin/API.md

@@ -51,3 +51,22 @@ theia.window.showQuickPick(["foo", "bar", "foobar"], option).then((val: string[]
         console.log(`Quick Pick Selected: ${val}`);
     });
 ```
+#### Notification API
+ A notification shows an information message to users.
+ Optionally provide an array of items which will be presented as clickable buttons.
+
+ Notifications can be shown using the [showInformationMessage](#window.showInformationMessage),
+ [showWarningMessage](#window.showWarningMessage) and [showErrorMessage](#window.showErrorMessage) functions.
+
+
+Simple example that show an information message:
+```javascript
+theia.window.showInformationMessage('Information message');
+```
+
+Simple example that show an information message with buttons:
+```javascript
+theia.window.showInformationMessage('Information message', 'Btn1', 'Btn2').then(result => {
+    console.log("Click button", result);
+});
+```