Bonus late night commit

All the mistakes are Colin's fault
- Generic listener
- Send messages to command line
- ^ doesn't work unless frame is opened in new tab

src/commandline_content.ts

@@ -23,7 +23,7 @@ export function show(){
     if (cmdline_iframe === undefined) {
         init()
     }
-    cmdline_iframe.setAttribute("style", "position: fixed; top: 0; left: 0; z-index: 10000; width: 100%; height: 36px; border: 0; padding: 0; margin: 0;");
+    cmdline_iframe.setAttribute("style", "position: fixed; top: 0; left: 0; z-index: 10000; width: 100%; height: 36px; border: 0; padding: 0; margin: 1;");
 }
 
 export function hide(){

src/commandline_frame.ts

@@ -1,5 +1,7 @@
 /** Script used in the commandline iframe. Communicates with background. */
 
+import * as Messaging from './messaging'
+
 let clInput = window.document.getElementById("tridactyl-input") as HTMLInputElement
 clInput.focus()
 
@@ -18,5 +20,19 @@ function process() {
     clInput.value = ""
 }
 
-// Dummy export to ensure this is treated as a module
-export {}
+function changecommand(newcommand?: string){
+    clInput.value = newcommand
+    console.log(newcommand, clInput.value)
+}
+
+function handler(message) {
+    console.log(message)
+    // this[message.command](...message.args)
+    changecommand(...message.args)
+}
+
+try {
+    Messaging.addListener('commandline_frame', handler)
+} catch(e) {
+    console.error("WAHWAH", e)
+}

src/excmds_background.ts

@@ -9,6 +9,14 @@ interface ContentCommandMessage extends Message {
     args?: Array<any>
 }
 
+function messageCommandline(command: string, args?: Array<any>) {
+    browser.runtime.sendMessage({
+        type: 'commandline_frame',
+        command,
+        args,
+    })
+}
+
 function messageActiveTab(command: string, args?: Array<any>) {
     messageFilteredTabs({active:true}, command, args)
 }
@@ -92,7 +100,8 @@ export async function reload(n = 1, hard = false){
 
 // Commandline function
 
-export function showcommandline(){
+export function showcommandline(exstr?){
+    messageCommandline("changecommand", [exstr,])
     messageActiveTab("showcommandline")
 }
 

src/keydown_background.ts

@@ -1,4 +1,6 @@
 // Interface: onKeydown.addListener(func)
+//
+import * as Messaging from './messaging'
 
 import {MsgSafeKeyboardEvent} from './msgsafe'
 
@@ -20,14 +22,9 @@ export const onKeydown = { addListener }
 
 // Receive events from content and pass to listeners
 function handler(message: KeydownShimMessage) {
-    if (message.type === "keydown") {
-        for (let listener of listeners) {
-            listener(message.event)
-        }
+    for (let listener of listeners) {
+        listener(message.event)
     }
-    // This is req. to shut typescript up.
-    // TODO: Fix onMessageBool in web-ext-types
-    return false
 }
 
-browser.runtime.onMessage.addListener(handler)
+Messaging.addListener('keydown', handler)

src/messaging.ts

@@ -0,0 +1,20 @@
+const listeners = new Map<string, Set<any>>()
+
+/** Register a listener to be called for each message with type */
+export function addListener(type, callback) {
+    if (!listeners.get(type)) {
+        listeners.set(type, new Set())
+    }
+    listeners.get(type).add(callback)
+    return () => { listeners.get(type).delete(callback) }
+}
+
+function onMessage(message) {
+    if (listeners.get(message.type)) {
+        for (let listener of listeners.get(message.type)) {
+            listener(message)
+        }
+    }
+}
+
+browser.runtime.onMessage.addListener(onMessage)

src/parsing.ts

@@ -36,6 +36,7 @@ export namespace normalmode {
         ["l", "scrollright"],
         ["G", "scrolltobottom"],
         ["gg", "scrolltotop"],
+        ["o", "showcommandline open"],
         ["H", "historyback"],
         ["L", "historyforward"],
         ["d", "tabclose"],