6 files changed, 133 insertions, 0 deletions
diff --git a/src/background/controllers/mark.js b/src/background/controllers/mark.js
new file mode 100644
index 0000000..8d0cefd
--- /dev/null
+++ b/src/background/controllers/mark.js
@@ -0,0 +1,15 @@
+import MarkInteractor from '../usecases/mark';
+
+export default class MarkController {
+  constructor() {
+    this.markInteractor = new MarkInteractor();
+  }
+
+  setGlobal(key, x, y) {
+    this.markInteractor.setGlobal(key, x, y);
+  }
+
+  jumpGlobal(key) {
+    this.markInteractor.jumpGlobal(key);
+  }
+}
diff --git a/src/background/domains/global-mark.js b/src/background/domains/global-mark.js
new file mode 100644
index 0000000..f0586f1
--- /dev/null
+++ b/src/background/domains/global-mark.js
@@ -0,0 +1,24 @@
+export default class GlobalMark {
+  constructor(tabId, url, x, y) {
+    this.tabId0 = tabId;
+    this.url0 = url;
+    this.x0 = x;
+    this.y0 = y;
+  }
+
+  get tabId() {
+    return this.tabId0;
+  }
+
+  get url() {
+    return this.url0;
+  }
+
+  get x() {
+    return this.x0;
+  }
+
+  get y() {
+    return this.y0;
+  }
+}
diff --git a/src/background/infrastructures/content-message-client.js b/src/background/infrastructures/content-message-client.js
index d659560..7e7e602 100644
--- a/src/background/infrastructures/content-message-client.js
+++ b/src/background/infrastructures/content-message-client.js
@@ -22,4 +22,12 @@ export default class ContentMessageClient {
       type: messages.ADDON_TOGGLE_ENABLED,
     });
   }
+
+  scrollTo(tabId, x, y) {
+    return browser.tabs.sendMessage(tabId, {
+      type: messages.TAB_SCROLL_TO,
+      x,
+      y,
+    });
+  }
 }
diff --git a/src/background/infrastructures/content-message-listener.js b/src/background/infrastructures/content-message-listener.js
index 4fcc6a6..beb52fe 100644
--- a/src/background/infrastructures/content-message-listener.js
+++ b/src/background/infrastructures/content-message-listener.js
@@ -5,6 +5,7 @@ import FindController from '../controllers/find';
 import AddonEnabledController from '../controllers/addon-enabled';
 import LinkController from '../controllers/link';
 import OperationController from '../controllers/operation';
+import MarkController from '../controllers/mark';
 
 export default class ContentMessageListener {
   constructor() {
@@ -14,6 +15,7 @@ export default class ContentMessageListener {
     this.addonEnabledController = new AddonEnabledController();
     this.linkController = new LinkController();
     this.backgroundOperationController = new OperationController();
+    this.markController = new MarkController();
   }
 
   run() {
@@ -59,6 +61,10 @@ export default class ContentMessageListener {
         message.newTab, message.url, sender.tab.id, message.background);
     case messages.BACKGROUND_OPERATION:
       return this.onBackgroundOperation(message.operation);
+    case messages.MARK_SET_GLOBAL:
+      return this.onMarkSetGlobal(message.key, message.x, message.y);
+    case messages.MARK_JUMP_GLOBAL:
+      return this.onMarkJumpGlobal(message.key);
     }
   }
 
@@ -102,4 +108,12 @@ export default class ContentMessageListener {
   onBackgroundOperation(operation) {
     return this.backgroundOperationController.exec(operation);
   }
+
+  onMarkSetGlobal(key, x, y) {
+    return this.markController.setGlobal(key, x, y);
+  }
+
+  onMarkJumpGlobal(key) {
+    return this.markController.jumpGlobal(key);
+  }
 }
diff --git a/src/background/repositories/mark.js b/src/background/repositories/mark.js
new file mode 100644
index 0000000..339a660
--- /dev/null
+++ b/src/background/repositories/mark.js
@@ -0,0 +1,33 @@
+import MemoryStorage from '../infrastructures/memory-storage';
+import GlobalMark from 'background/domains/global-mark';
+
+const MARK_KEY = 'mark';
+
+export default class MarkRepository {
+  constructor() {
+    this.cache = new MemoryStorage();
+  }
+
+  getMark(key) {
+    let marks = this.getOrEmptyMarks();
+    let data = marks[key];
+    if (!data) {
+      return Promise.resolve(undefined);
+    }
+    let mark = new GlobalMark(data.tabId, data.url, data.x, data.y);
+    return Promise.resolve(mark);
+  }
+
+  setMark(key, mark) {
+    let marks = this.getOrEmptyMarks();
+    marks[key] = { tabId: mark.tabId, url: mark.url, x: mark.x, y: mark.y };
+    this.cache.set(MARK_KEY, marks);
+
+    return Promise.resolve();
+  }
+
+  getOrEmptyMarks() {
+    return this.cache.get(MARK_KEY) || {};
+  }
+}
+
diff --git a/src/background/usecases/mark.js b/src/background/usecases/mark.js
new file mode 100644
index 0000000..34b8a74
--- /dev/null
+++ b/src/background/usecases/mark.js
@@ -0,0 +1,39 @@
+import GlobalMark from '../domains/global-mark';
+import TabPresenter from '../presenters/tab';
+import MarkRepository from '../repositories/mark';
+import ConsolePresenter from '../presenters/console';
+import ContentMessageClient from '../infrastructures/content-message-client';
+
+export default class MarkInteractor {
+  constructor() {
+    this.tabPresenter = new TabPresenter();
+    this.markRepository = new MarkRepository();
+    this.consolePresenter = new ConsolePresenter();
+    this.contentMessageClient = new ContentMessageClient();
+  }
+
+  async setGlobal(key, x, y) {
+    let tab = await this.tabPresenter.getCurrent();
+    let mark = new GlobalMark(tab.id, tab.url, x, y);
+    return this.markRepository.setMark(key, mark);
+  }
+
+  async jumpGlobal(key) {
+    let current = await this.tabPresenter.getCurrent();
+
+    let mark = await this.markRepository.getMark(key);
+    if (!mark) {
+      return this.consolePresenter.showError(current.id, 'Mark is not set');
+    }
+
+    return this.contentMessageClient.scrollTo(
+      mark.tabId, mark.x, mark.y
+    ).then(() => {
+      return this.tabPresenter.select(mark.tabId);
+    }).catch(async() => {
+      let tab = await this.tabPresenter.create(mark.url);
+      let mark2 = new GlobalMark(tab.id, mark.url, mark.x, mark.y);
+      return this.markRepository.setMark(key, mark2);
+    });
+  }
+}