Mark set/jump as a clean architecture

src/content/actions/index.ts

@@ -20,7 +20,6 @@ export const FOLLOW_CONTROLLER_BACKSPACE = 'follow.controller.backspace';
 export const MARK_START_SET = 'mark.start.set';
 export const MARK_START_JUMP = 'mark.start.jump';
 export const MARK_CANCEL = 'mark.cancel';
-export const MARK_SET_LOCAL = 'mark.set.local';
 
 export const NOOP = 'noop';
 
@@ -64,13 +63,6 @@ export interface MarkCancelAction extends Redux.Action {
   type: typeof MARK_CANCEL;
 }
 
-export interface MarkSetLocalAction extends Redux.Action {
-  type: typeof MARK_SET_LOCAL;
-  key: string;
-  x: number;
-  y: number;
-}
-
 export interface NoopAction extends Redux.Action {
   type: typeof NOOP;
 }
@@ -80,8 +72,7 @@ export type FollowAction =
   FollowControllerEnableAction | FollowControllerDisableAction |
   FollowControllerKeyPressAction | FollowControllerBackspaceAction;
 export type MarkAction =
-  MarkStartSetAction | MarkStartJumpAction |
-  MarkCancelAction | MarkSetLocalAction | NoopAction;
+  MarkStartSetAction | MarkStartJumpAction | MarkCancelAction | NoopAction;
 
 export type Action =
   InputAction |

src/content/actions/mark.ts

@@ -1,5 +1,4 @@
 import * as actions from './index';
-import * as messages from '../../shared/messages';
 
 const startSet = (): actions.MarkAction => {
   return { type: actions.MARK_START_SET };
@@ -13,34 +12,6 @@ const cancel = (): actions.MarkAction => {
   return { type: actions.MARK_CANCEL };
 };
 
-const setLocal = (key: string, x: number, y: number): actions.MarkAction => {
-  return {
-    type: actions.MARK_SET_LOCAL,
-    key,
-    x,
-    y,
-  };
-};
-
-const setGlobal = (key: string, x: number, y: number): actions.MarkAction => {
-  browser.runtime.sendMessage({
-    type: messages.MARK_SET_GLOBAL,
-    key,
-    x,
-    y,
-  });
-  return { type: actions.NOOP };
-};
-
-const jumpGlobal = (key: string): actions.MarkAction => {
-  browser.runtime.sendMessage({
-    type: messages.MARK_JUMP_GLOBAL,
-    key,
-  });
-  return { type: actions.NOOP };
-};
-
 export {
-  startSet, startJump, cancel, setLocal,
-  setGlobal, jumpGlobal,
+  startSet, startJump, cancel,
 };

src/content/client/MarkClient.ts

@@ -0,0 +1,28 @@
+import Mark from '../domains/Mark';
+import * as messages from '../../shared/messages';
+
+export default interface MarkClient {
+  setGloablMark(key: string, mark: Mark): Promise<void>;
+
+  jumpGlobalMark(key: string): Promise<void>;
+
+  // eslint-disable-next-line semi
+}
+
+export class MarkClientImpl implements MarkClient {
+  async setGloablMark(key: string, mark: Mark): Promise<void> {
+    await browser.runtime.sendMessage({
+      type: messages.MARK_SET_GLOBAL,
+      key,
+      x: mark.x,
+      y: mark.y,
+    });
+  }
+
+  async jumpGlobalMark(key: string): Promise<void> {
+    await browser.runtime.sendMessage({
+      type: messages.MARK_JUMP_GLOBAL,
+      key,
+    });
+  }
+}

src/content/components/common/mark.ts

@@ -1,22 +1,15 @@
 import * as markActions from '../../actions/mark';
 import * as consoleFrames from '../..//console-frames';
 import * as keyUtils from '../../../shared/utils/keys';
-import Mark from '../../Mark';
 
-import { SettingRepositoryImpl } from '../../repositories/SettingRepository';
-import { ScrollPresenterImpl } from '../../presenters/ScrollPresenter';
+import MarkUseCase from '../../usecases/MarkUseCase';
 
-let settingRepository = new SettingRepositoryImpl();
-let scrollPresenter = new ScrollPresenterImpl();
+let markUseCase = new MarkUseCase();
 
 const cancelKey = (key: keyUtils.Key): boolean => {
   return key.key === 'Esc' || key.key === '[' && Boolean(key.ctrlKey);
 };
 
-const globalKey = (key: string): boolean => {
-  return (/^[A-Z0-9]$/).test(key);
-};
-
 export default class MarkComponent {
   private store: any;
 
@@ -26,7 +19,6 @@ export default class MarkComponent {
 
   // eslint-disable-next-line max-statements
   key(key: keyUtils.Key) {
-    let smoothscroll = settingRepository.get().properties.smoothscroll;
     let { mark: markState } = this.store.getState();
 
     if (!markState.setMode && !markState.jumpMode) {
@@ -40,45 +32,13 @@ export default class MarkComponent {
 
     if (key.ctrlKey || key.metaKey || key.altKey) {
       consoleFrames.postError('Unknown mark');
-    } else if (globalKey(key.key) && markState.setMode) {
-      this.doSetGlobal(key);
-    } else if (globalKey(key.key) && markState.jumpMode) {
-      this.doJumpGlobal(key);
     } else if (markState.setMode) {
-      this.doSet(key);
+      markUseCase.set(key.key);
     } else if (markState.jumpMode) {
-      this.doJump(markState.marks, key, smoothscroll);
+      markUseCase.jump(key.key);
     }
 
     this.store.dispatch(markActions.cancel());
     return true;
   }
-
-  doSet(key: keyUtils.Key) {
-    let { x, y } = scrollPresenter.getScroll();
-    this.store.dispatch(markActions.setLocal(key.key, x, y));
-  }
-
-  doJump(
-    marks: { [key: string]: Mark },
-    key: keyUtils.Key,
-    smoothscroll: boolean,
-  ) {
-    if (!marks[key.key]) {
-      consoleFrames.postError('Mark is not set');
-      return;
-    }
-
-    let { x, y } = marks[key.key];
-    scrollPresenter.scrollTo(x, y, smoothscroll);
-  }
-
-  doSetGlobal(key: keyUtils.Key) {
-    let { x, y } = scrollPresenter.getScroll();
-    this.store.dispatch(markActions.setGlobal(key.key, x, y));
-  }
-
-  doJumpGlobal(key: keyUtils.Key) {
-    this.store.dispatch(markActions.jumpGlobal(key.key));
-  }
 }

src/content/presenters/ScrollPresenter.ts

@@ -94,7 +94,7 @@ class Scroller {
   }
 }
 
-type Point = { x: number, y: number };
+export type Point = { x: number, y: number };
 
 export default interface ScrollPresenter {
   getScroll(): Point;

src/content/reducers/mark.ts

@@ -1,16 +1,13 @@
-import Mark from '../Mark';
 import * as actions from '../actions';
 
 export interface State {
   setMode: boolean;
   jumpMode: boolean;
-  marks: { [key: string]: Mark };
 }
 
 const defaultState: State = {
   setMode: false,
   jumpMode: false,
-  marks: {},
 };
 
 export default function reducer(
@@ -24,11 +21,6 @@ export default function reducer(
     return { ...state, jumpMode: true };
   case actions.MARK_CANCEL:
     return { ...state, setMode: false, jumpMode: false };
-  case actions.MARK_SET_LOCAL: {
-    let marks = { ...state.marks };
-    marks[action.key] = { x: action.x, y: action.y };
-    return { ...state, setMode: false, marks };
-  }
   default:
     return state;
   }

src/content/repositories/MarkRepository.ts

@@ -0,0 +1,25 @@
+import Mark from '../domains/Mark';
+
+export default interface MarkRepository {
+  set(key: string, mark: Mark): void;
+
+  get(key: string): Mark | null;
+
+  // eslint-disable-next-line semi
+}
+
+const saved: {[key: string]: Mark} = {};
+
+export class MarkRepositoryImpl implements MarkRepository {
+  set(key: string, mark: Mark): void {
+    saved[key] = mark;
+  }
+
+  get(key: string): Mark | null {
+    let v = saved[key];
+    if (!v) {
+      return null;
+    }
+    return { ...v };
+  }
+}

src/content/usecases/MarkUseCase.ts

@@ -0,0 +1,62 @@
+import ScrollPresenter, { ScrollPresenterImpl }
+  from '../presenters/ScrollPresenter';
+import MarkClient, { MarkClientImpl } from '../client/MarkClient';
+import MarkRepository, { MarkRepositoryImpl }
+  from '../repositories/MarkRepository';
+import SettingRepository, { SettingRepositoryImpl }
+  from '../repositories/SettingRepository';
+import ConsoleClient, { ConsoleClientImpl } from '../client/ConsoleClient';
+
+export default class MarkUseCase {
+  private scrollPresenter: ScrollPresenter;
+
+  private client: MarkClient;
+
+  private repository: MarkRepository;
+
+  private settingRepository: SettingRepository;
+
+  private consoleClient: ConsoleClient;
+
+  constructor({
+    scrollPresenter = new ScrollPresenterImpl(),
+    client = new MarkClientImpl(),
+    repository = new MarkRepositoryImpl(),
+    settingRepository = new SettingRepositoryImpl(),
+    consoleClient = new ConsoleClientImpl(),
+  } = {}) {
+    this.scrollPresenter = scrollPresenter;
+    this.client = client;
+    this.repository = repository;
+    this.settingRepository = settingRepository;
+    this.consoleClient = consoleClient;
+  }
+
+  async set(key: string): Promise<void> {
+    let pos = this.scrollPresenter.getScroll();
+    if (this.globalKey(key)) {
+      this.client.setGloablMark(key, pos);
+      await this.consoleClient.info(`Set global mark to '${key}'`);
+    } else {
+      this.repository.set(key, pos);
+      await this.consoleClient.info(`Set local mark to '${key}'`);
+    }
+  }
+
+  async jump(key: string): Promise<void> {
+    if (this.globalKey(key)) {
+      await this.client.jumpGlobalMark(key);
+    } else {
+      let pos = this.repository.get(key);
+      if (!pos) {
+        throw new Error('Mark is not set');
+      }
+      let smooth = this.settingRepository.get().properties.smoothscroll;
+      this.scrollPresenter.scrollTo(pos.x, pos.y, smooth);
+    }
+  }
+
+  private globalKey(key: string) {
+    return (/^[A-Z0-9]$/).test(key);
+  }
+}

test/content/actions/mark.test.ts

@@ -22,14 +22,4 @@ describe('mark actions', () => {
       expect(action.type).to.equal(actions.MARK_CANCEL);
     });
   });
-
-  describe('setLocal', () => {
-    it('create setLocal action', () => {
-      let action = markActions.setLocal('a', 20, 30);
-      expect(action.type).to.equal(actions.MARK_SET_LOCAL);
-      expect(action.key).to.equal('a');
-      expect(action.x).to.equal(20);
-      expect(action.y).to.equal(30);
-    });
-  });
 });

test/content/mock/MockConsoleClient.ts

@@ -0,0 +1,26 @@
+import ConsoleClient from '../../../src/content/client/ConsoleClient';
+
+export default class MockConsoleClient implements ConsoleClient {
+  public isError: boolean;
+
+  public text: string;
+
+  constructor() {
+    this.isError = false;
+    this.text = '';
+  }
+
+  info(text: string): Promise<void> {
+    this.isError = false;
+    this.text = text;
+    return Promise.resolve();
+  }
+
+  error(text: string): Promise<void> {
+    this.isError = true;
+    this.text = text;
+    return Promise.resolve();
+  }
+}
+
+

test/content/mock/MockScrollPresenter.ts

@@ -0,0 +1,47 @@
+import ScrollPresenter, { Point } from '../../../src/content/presenters/ScrollPresenter';
+
+export default class MockScrollPresenter implements ScrollPresenter {
+  private pos: Point;
+  
+  constructor() {
+    this.pos = { x: 0, y: 0 };
+  }
+
+  getScroll(): Point {
+    return this.pos;
+  }
+
+  scrollVertically(amount: number, _smooth: boolean): void {
+    this.pos.y += amount;
+  }
+
+  scrollHorizonally(amount: number, _smooth: boolean): void {
+    this.pos.x += amount;
+  }
+
+  scrollPages(amount: number, _smooth: boolean): void {
+    this.pos.x += amount;
+  }
+
+  scrollTo(x: number, y: number, _smooth: boolean): void {
+    this.pos.x = x;
+    this.pos.y = y;
+  }
+
+  scrollToTop(_smooth: boolean): void {
+    this.pos.y = 0;
+  }
+
+  scrollToBottom(_smooth: boolean): void {
+    this.pos.y = Infinity;
+  }
+
+  scrollToHome(_smooth: boolean): void {
+    this.pos.x = 0;
+  }
+
+  scrollToEnd(_smooth: boolean): void {
+    this.pos.x = Infinity;
+  }
+}
+

test/content/reducers/mark.test.ts

@@ -6,7 +6,6 @@ describe("mark reducer", () => {
     let state = reducer(undefined, {});
     expect(state.setMode).to.be.false;
     expect(state.jumpMode).to.be.false;
-    expect(state.marks).to.be.empty;
   });
 
   it('starts set mode', () => {
@@ -29,13 +28,4 @@ describe("mark reducer", () => {
     state = reducer({ jumpMode: true }, action);
     expect(state.jumpMode).to.be.false;
   });
-
-  it('stores local mark', () => {
-    let action = { type: actions.MARK_SET_LOCAL, key: 'a', x: 20, y: 30};
-    let state = reducer({ setMode: true }, action);
-    expect(state.setMode).to.be.false;
-    expect(state.marks['a']).to.be.an('object')
-    expect(state.marks['a'].x).to.equal(20)
-    expect(state.marks['a'].y).to.equal(30)
-  });
 });

test/content/repositories/MarkRepository.test.ts

@@ -0,0 +1,13 @@
+import { MarkRepositoryImpl } from '../../../src/content/repositories/MarkRepository';
+import { expect } from 'chai';
+
+describe('MarkRepositoryImpl', () => {
+  it('save and load marks', () => {
+    let sut = new MarkRepositoryImpl();
+
+    sut.set('a', { x: 10, y: 20 });
+    expect(sut.get('a')).to.deep.equal({ x: 10, y: 20 });
+    expect(sut.get('b')).to.be.null;
+  });
+});
+

test/content/usecases/FindUseCase.test.ts

@@ -1,8 +1,8 @@
 import FindRepository from '../../../src/content/repositories/FindRepository';
 import FindPresenter from '../../../src/content/presenters/FindPresenter';
-import ConsoleClient from '../../../src/content/client/ConsoleClient';
 import FindClient from '../../../src/content/client/FindClient';
 import FindUseCase from '../../../src/content/usecases/FindUseCase';
+import MockConsoleClient from '../mock/MockConsoleClient';
 import { expect } from 'chai';
 
 class MockFindRepository implements FindRepository {
@@ -59,29 +59,6 @@ class MockFindClient implements FindClient {
   }
 }
 
-class MockConsoleClient implements ConsoleClient {
-  public isError: boolean;
-
-  public text: string;
-
-  constructor() {
-    this.isError = false;
-    this.text = '';
-  }
-
-  info(text: string): Promise<void> {
-    this.isError = false;
-    this.text = text;
-    return Promise.resolve();
-  }
-
-  error(text: string): Promise<void> {
-    this.isError = true;
-    this.text = text;
-    return Promise.resolve();
-  }
-}
-
 describe('FindUseCase', () => {
   let repository: MockFindRepository;
   let presenter: MockFindPresenter;

test/content/usecases/MarkUseCase.test.ts

@@ -0,0 +1,107 @@
+import MarkRepository from '../../../src/content/repositories/MarkRepository';
+import MarkUseCase from '../../../src/content/usecases/MarkUseCase';
+import MarkClient from '../../../src/content/client/MarkClient';
+import MockConsoleClient from '../mock/MockConsoleClient';
+import MockScrollPresenter from '../mock/MockScrollPresenter';
+import Mark from '../../../src/content/domains/Mark';
+import { expect } from 'chai';
+
+class MockMarkRepository implements MarkRepository {
+  private current: {[key: string]: Mark};
+
+  constructor() {
+    this.current = {};
+  }
+
+  set(key: string, mark: Mark): void {
+    this.current[key] = mark;
+  }
+
+  get(key: string): Mark | null {
+    return this.current[key];
+  }
+}
+
+class MockMarkClient implements MarkClient {
+  public marks: {[key: string]: Mark};
+  public last: string;
+
+  constructor() {
+    this.marks = {};
+    this.last = '';
+  }
+
+  setGloablMark(key: string, mark: Mark): Promise<void> {
+    this.marks[key] = mark;
+    return Promise.resolve();
+  }
+
+  jumpGlobalMark(key: string): Promise<void> {
+    this.last = key
+    return Promise.resolve();
+  }
+}
+
+describe('MarkUseCase', () => {
+  let repository: MockMarkRepository;
+  let client: MockMarkClient;
+  let consoleClient: MockConsoleClient;
+  let scrollPresenter: MockScrollPresenter;
+  let sut: MarkUseCase;
+
+  beforeEach(() => {
+    repository = new MockMarkRepository();
+    client = new MockMarkClient();
+    consoleClient = new MockConsoleClient();
+    scrollPresenter = new MockScrollPresenter();
+    sut = new MarkUseCase({
+      repository, client, consoleClient, scrollPresenter,
+    });
+  });
+
+  describe('#set', () => {
+    it('sets local mark', async() => {
+      scrollPresenter.scrollTo(10, 20, false);
+
+      await sut.set('x');
+
+      expect(repository.get('x')).to.deep.equals({ x: 10, y: 20 });
+      expect(consoleClient.text).to.equal("Set local mark to 'x'");
+    });
+
+    it('sets global mark', async() => {
+      scrollPresenter.scrollTo(30, 40, false);
+
+      await sut.set('Z');
+
+      expect(client.marks['Z']).to.deep.equals({ x: 30, y: 40 });
+      expect(consoleClient.text).to.equal("Set global mark to 'Z'");
+    });
+  });
+
+  describe('#jump', () => {
+    it('jumps to local mark', async() => {
+      repository.set('x', { x: 20, y: 40 });
+
+      await sut.jump('x');
+
+      expect(scrollPresenter.getScroll()).to.deep.equals({ x: 20, y: 40 });
+    });
+
+    it('throws an error when no local marks', () => {
+      return sut.jump('a').then(() => {
+        throw new Error('error');
+      }).catch((e) => {
+        expect(e).to.be.instanceof(Error);
+      })
+    })
+
+    it('jumps to global mark', async() => {
+      client.marks['Z'] = { x: 20, y: 0 };
+
+      await sut.jump('Z');
+
+      expect(client.last).to.equal('Z')
+    });
+  });
+});