Import of the watch repository from Pebble

resources/normal/base/js/tictoc~rect~bw.js

@@ -0,0 +1,59 @@
+/**
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var rocky = _rocky;
+
+var clockData = {
+    time: '',
+    date: ''
+};
+
+rocky.on('draw', function(drawEvent) {
+  var ctx = drawEvent.context;
+  var w = ctx.canvas.unobstructedWidth;
+  var h = ctx.canvas.unobstructedHeight;
+  var obstruction_h = ctx.canvas.clientHeight - ctx.canvas.unobstructedHeight - 3;
+
+  ctx.clearRect(0, 0, ctx.canvas.clientWidth, ctx.canvas.clientHeight);
+
+
+  ctx.fillStyle = '#FFF';
+  ctx.textAlign = 'left';
+
+  // TIME
+  ctx.font = '49px Roboto-subset';
+  ctx.fillText(clockData.time, 7, 89 - obstruction_h);
+
+  // HORIZONTAL LINE
+  ctx.fillRect(8, 94 - obstruction_h, w - 20, 2); // indented
+
+  ctx.font = '21px Roboto';
+  ctx.fillText(clockData.date, 8, 65 - obstruction_h);
+});
+
+rocky.on('minutechange', function(e) {
+  var d = e.date;
+  var localeTime = d.toLocaleTimeString().split(' '); // ['12:31:21', 'AM'] or ['00:31:21']
+  clockData.time = localeTime[0].split(':').slice(0, 2).join(':'); // '12:31' or '00:31'
+
+  var monthDate = d.toLocaleDateString(undefined, {month: 'long'});
+  var dayDate = d.toLocaleDateString(undefined, {day: 'numeric'});
+  // left pad with whitespace (to render exactly like the original)
+  dayDate = dayDate.length > 1 ? dayDate : ' ' + dayDate;
+  clockData.date = monthDate + ' ' + dayDate;
+
+  rocky.requestDraw();
+});

resources/normal/base/js/tictoc~rect~color.js

@@ -0,0 +1,93 @@
+/**
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var rocky = _rocky;
+
+var WatchfaceHelper = function(date) {
+  function clockwiseRad(fraction) {
+    // TODO: figure out if this is actually correct orientation for Canvas APIs
+    return (1.5 - fraction) * 2 * Math.PI;
+  }
+
+  date = date || new Date();
+  var secondFraction = date.getSeconds() / 60;
+  var minuteFraction = (date.getMinutes()) / 60;
+  var hourFraction = (date.getHours() % 12 + minuteFraction) / 12;
+  this.secondAngle = clockwiseRad(secondFraction);
+  this.minuteAngle = clockwiseRad(minuteFraction);
+  this.hourAngle = clockwiseRad(hourFraction);
+};
+
+/*global rocky, Rocky:false */
+// in the future, we will replace the singleton
+// `rocky` as well as the namespace `Rocky`, e.g.
+// `Rocky.tween` and `Rocky.WatchfaceHelper` with modules
+
+// book keeping so that we can easily animate the two hands for the watchface
+// .scale/.angle are updated by tween/event handler (see below)
+var renderState = {
+  minute: {style: 'white', scale: 0.80, angle: 0},
+  hour: {style: 'red', scale: 0.51, angle: 0}
+};
+
+// helper function for the draw function (see below)
+// extracted as a standalone function to satisfy common believe in efficient JS code
+// TODO: verify that this has actually any effect on byte code level
+var drawHand = function(handState, ctx, cx, cy, maxRadius) {
+  ctx.lineWidth = 8;
+  ctx.strokeStyle = handState.style;
+  ctx.beginPath();
+  ctx.moveTo(cx, cy);
+  ctx.lineTo(cx + Math.sin(handState.angle) * handState.scale * maxRadius,
+             cy + Math.cos(handState.angle) * handState.scale * maxRadius);
+  ctx.stroke();
+};
+
+// the 'draw' event is being emitted after each call to rocky.requestDraw() but
+// at most once for each screen update, even if .requestDraw() is called frequently
+// the 'draw' event might also fire at other meaningful times (e.g. upon launch)
+rocky.on('draw', function(drawEvent) {
+  var ctx = drawEvent.context;
+  var w = ctx.canvas.unobstructedWidth;
+  var h = ctx.canvas.unobstructedHeight;
+
+  // clear canvas on each render
+  ctx.fillStyle = 'black';
+  ctx.fillRect(0, 0, ctx.canvas.clientWidth, ctx.canvas.clientHeight);
+
+  // center point
+  var cx = w / 2;
+  var cy = h / 2;
+  var maxRadius = Math.min(w, h - 2 * 10) / 2;
+  drawHand(renderState.minute, ctx, cx, cy, maxRadius);
+  drawHand(renderState.hour, ctx, cx, cy, maxRadius);
+
+  // Draw a 12 o clock indicator
+  drawHand({style: 'white', scale: 0, angle: 0}, ctx, cx, 8, 0);
+  // overdraw center so that no white part of the minute hand is visible
+  drawHand({style: 'red', scale: 0, angle: 0}, ctx, cx, cy, 0);
+});
+
+// listener is called on each full minute and once immediately after registration
+rocky.on('minutechange', function(e) {
+  // WatchfaceHelper will later be extracted as npm module
+  var wfh = new WatchfaceHelper(e.date);
+  renderState.minute.angle = wfh.minuteAngle;
+  renderState.hour.angle = wfh.hourAngle;
+  rocky.requestDraw();
+});
+
+console.log('TicToc launched');