Merge pull request 'Add status bar and input box' (#4) from feature/status-bar into master

FYI

chatapp.svg

@@ -5,8 +5,8 @@
      xmlns="http://www.w3.org/2000/svg"
      xmlns:xlink="http://www.w3.org/1999/xlink"
      width="300"
-     height="500" 
-     viewBox="0 0 300 500"
+     height="600" 
+     viewBox="0 0 300 600"
      onload="start_chat('Ven')"
      overflow="auto"
      >
@@ -41,13 +41,15 @@ const svgns = "http://www.w3.org/2000/svg";
 
 // must be the same as the SVG dimensions
 const width = 300;
-const height = 500;
+const height = 550;
 
 const line_height = 14;
 const bubble_padding = 6;
 const bubble_spacing = 5;
-const visible_chat_area = {'top': 60, 'bottom': 500};
-const typing_speed = 7;
+const visible_chat_area = {'top': 60,
+                           'bottom': height - 100 // minus status & input areas
+};
+const typing_speed = 50;
 
 var conversation_count = 0;
 
@@ -219,10 +221,9 @@ function swipe_viewport() {
 // The element must already be inside the DOM for this to work.
 function create_bubble(inner_element, color) {
   const bbox = inner_element.getBBox();
-  const y_percent = Math.round(((bbox.y - bubble_padding) / height) * 100);
   let bubble = create_svg_node('rect', {
     'x': bbox.x - bubble_padding,
-    'y': `${y_percent}%`,
+    'y': bbox.y - bubble_padding,
     'width': bbox.width + 2 * bubble_padding,
     'height': bbox.height + 2 * bubble_padding,
     'rx': 8,
@@ -270,7 +271,7 @@ function start_chat(who) {
       dialog_kaereste();
       break;
     default:
-      alert(`Unknown contact: ${who}`);
+      alert(`kontakten ${who} er ikke implementeret endnu`);
   }
 }
 
@@ -281,7 +282,9 @@ function Dialog(chat_partner) {
   this.all_elements_height = 0; // also for scrolling
 
   async function post_message(dialog, message, is_myself) {
-    if(dialog.messages.length) await wait(message.length * typing_speed); // first message should be instant
+    if(!is_myself && dialog.messages.length) {
+      await wait(message.length * typing_speed);
+    } // first message should be instant
 
     if(conversation_id != conversation_count) {
       return; // Do not add messages to old conversation
@@ -303,7 +306,13 @@ function Dialog(chat_partner) {
     }
   }
 
-  this.me = async function(message) {
+  this.me = async function(message, will_be_flagged) {
+    await wait(1500); // give me some time to read
+    await type_message(message);
+    hit_send_button();
+    await local_message_processing(will_be_flagged);
+    clear_input_field();
+    release_send_button();
     await post_message(this, message, true);
   }
   this.you = async function(message) {
@@ -311,6 +320,58 @@ function Dialog(chat_partner) {
   }
 }
 
+async function type_message(message) {
+  clear_input_field(); // just to be sure
+  let text = document.getElementById('message_input_data').firstChild;
+
+  let lines = split_text_into_lines(message, 22);
+  for(let line of lines) {
+    text.data = '';
+    for(let c of line) {
+      await wait(typing_speed);
+      text.data += c;
+    }
+    await wait(20); // otherwise it's too fast
+  }
+}
+
+function hit_send_button() {
+  document.getElementById('message_submit_button').setAttribute('fill', 'white');
+  document.getElementById('message_submit_box').setAttribute('fill', '#888888');
+}
+
+function release_send_button() {
+  document.getElementById('message_submit_button').setAttribute('fill', 'black');
+  document.getElementById('message_submit_box').setAttribute('fill', '#CCCCCC');
+}
+
+function clear_input_field() {
+  let element = document.getElementById('message_input_data')
+  removeAllChildren(element);
+  element.appendChild(document.createTextNode(''));
+}
+
+async function local_message_processing(will_be_flagged) {
+  let text_element = document.getElementById('message_status');
+  let indicator = text_element.childNodes[0];
+  indicator.data = 'scanning for illegal content';
+  await wait(1500);
+  if(will_be_flagged) {
+    let box = document.getElementById('message_status_box');
+    text_element.setAttribute('fill', 'red');
+    box.setAttribute('fill', 'yellow');
+    indicator.data = 'Reporting suspicious content';
+    await wait(1500);
+    text_element.setAttribute('fill', 'white');
+    box.setAttribute('fill', 'blue');
+  }
+  indicator.data = 'encrypting message';
+  await wait(200);
+  indicator.data = 'sending message';
+  await wait(200);
+  indicator.data = 'message was sent';
+}
+
 async function dialog_ven() {
   let d = new Dialog('Ven');
   await d.me("hej");
@@ -324,7 +385,7 @@ async function dialog_ven() {
   await d.me('Det lyder overhovedet ikke rart. Hvorfor vil de gøre det?');
   await d.you('De siger at det er for at beskytte børn på nettet.');
   await d.you('Men det giver ikke meget mening');
-  await d.me('Alle vores beskeder skal scannes på grund af børn på nettet? Det lyder dumt!');
+  await d.me('Alle vores beskeder skal scannes på grund af børn på nettet? Det lyder dumt!', true);
   await d.you('Her kan du læse mere om det:');
   await d.you('https://chatcontrol.eu');
   }
@@ -342,11 +403,12 @@ async function dialog_kaereste() {
   await d.you('hej, jeg har lige tænkt på dig!');
   await d.you('og derfor har jeg taget et sexet billede');
   await d.you('#kaereste_foto');
-  await d.me('tak. Det har jeg savnet!');
+  await d.me('tak. Det har jeg savnet!', true);
   await d.me('du ser stadig så ung ud.');
   await d.me('Jeg tror at vi skal være forsigtige, fordi der er en overvågning af vores beskeder');
   await d.you('What the fuck??? Hvem overvågner os?????');
-  await d.me('Ingen lige nu. Men EU\'en vil forpligte tilbyderne af messagingtjenester til at scanne alle beskeder');
+  await d.me('Det kan være at chattilbyderen gør det, fordi de har lov til det');
+  await d.me('Men i fremtiden vil det faktisk blive forpligtende at scanne beskeder i EU\'en');
   await d.me('Og hvis der er beskeder som "ligner" børneborno får politiet en kopi af dem');
   await d.you('Jeg vil hellere ikke at politiet får mine nøgenbilleder. Det er min krop og jeg vil selv bestemme over det!');
 }
@@ -365,13 +427,26 @@ async function dialog_kaereste() {
 <rect x="300" y="50" width="300" height="450" fill="aqua" />
 <g id="messages"></g>
 
+<!-- [right] message status -->
+<rect id="message_status_box" x="300" y="500" fill="blue" width="300" height="50" />
+<text id="message_status" x="310" y="530" fill="white">status</text>
+
+<!-- [right] text input -->
+<rect id="message_input_box" x="300" y="550" stroke="black" fill="white" width="250" height="50" />
+<rect id="message_submit_box" x="550" y="550" stroke="black" fill="#CCCCCC" width="50" height="50" />
+<text id="message_input_data" x="310" y="575" fill="black"></text>
+<text id="message_submit_button" x="555" y="580" fill="black">SEND</text>
+
 <!-- [left] contact list -->
 <rect x="0" y="0" width="300" height="50" fill="yellow" />
 <text x="60" y="30">Dine kontakter</text>
-<rect x="0" y="50" width="300" height="450" style="stroke: green; stroke-width: 10px" fill="aqua" />
+<rect x="0" y="50" width="300" height="550" style="stroke: green; stroke-width: 10px" fill="aqua" />
 
 <text x="15" y="75" onclick="start_chat('Ven')">Ven</text>
 <text x="15" y="100" onclick="start_chat('Mor')">Mor</text>
 <text x="15" y="125" onclick="start_chat('Kæreste')">Kæreste&#10084;</text>
+<text x="15" y="150" onclick="start_chat('Politi')">Politi</text>
+<text x="15" y="175" onclick="start_chat('Tekniker')">Chat Support</text>
+<text x="15" y="200" onclick="start_chat('Nabopige')">nabopige</text>
 
 </svg>