1 files changed, 43 insertions, 0 deletions
diff --git a/src/content/actions/operation.js b/src/content/actions/operation.js
new file mode 100644
index 0000000..d188a60
--- /dev/null
+++ b/src/content/actions/operation.js
@@ -0,0 +1,43 @@
+import operations from 'shared/operations';
+import messages from 'shared/messages';
+import * as scrolls from 'content/scrolls';
+import * as navigates from 'content/navigates';
+import * as followActions from 'content/actions/follow';
+
+const exec = (operation) => {
+  switch (operation.type) {
+  case operations.SCROLL_LINES:
+    return scrolls.scrollLines(window, operation.count);
+  case operations.SCROLL_PAGES:
+    return scrolls.scrollPages(window, operation.count);
+  case operations.SCROLL_TOP:
+    return scrolls.scrollTop(window);
+  case operations.SCROLL_BOTTOM:
+    return scrolls.scrollBottom(window);
+  case operations.SCROLL_HOME:
+    return scrolls.scrollLeft(window);
+  case operations.SCROLL_END:
+    return scrolls.scrollRight(window);
+  case operations.FOLLOW_START:
+    return followActions.enable(false);
+  case operations.NAVIGATE_HISTORY_PREV:
+    return navigates.historyPrev(window);
+  case operations.NAVIGATE_HISTORY_NEXT:
+    return navigates.historyNext(window);
+  case operations.NAVIGATE_LINK_PREV:
+    return navigates.linkPrev(window);
+  case operations.NAVIGATE_LINK_NEXT:
+    return navigates.linkNext(window);
+  case operations.NAVIGATE_PARENT:
+    return navigates.parent(window);
+  case operations.NAVIGATE_ROOT:
+    return navigates.root(window);
+  default:
+    browser.runtime.sendMessage({
+      type: messages.BACKGROUND_OPERATION,
+      operation,
+    });
+  }
+};
+
+export { exec };