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BangleApps/apps/rebbleagenda/app.js

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Added app 'Rebble Agenda'
2023-09-03 19:50:54 +00:00
{
/* Requires */
const weather = require('weather');
require("Font6x12").add(Graphics);
require("Font8x16").add(Graphics);
const SETTINGS_FILE = "rebbleagenda.json";
const settings = require("Storage").readJSON(SETTINGS_FILE, 1) || {'system':true, 'bg': '#fff','fg': '#000','acc': '#0FF'};
/* Layout consts */
const MARKER_SIZE = 4;
const BORDER_SIZE = 6;
const WIDGET_SIZE = 24;
const PRIMARY_OFFSET = WIDGET_SIZE + BORDER_SIZE + MARKER_SIZE - 20 / 2;
const SECONDARY_OFFSET = g.getHeight() - WIDGET_SIZE - 16 - 20;
const MARKER_POS_UPPER = Uint8Array([g.getWidth() - BORDER_SIZE - MARKER_SIZE, WIDGET_SIZE + BORDER_SIZE + MARKER_SIZE]);
const PIN_SIZE = 10;
const ACCENT_WIDTH = 2 * BORDER_SIZE + 2 * MARKER_SIZE; // <20>=2r, borders each side.
const TEXT_COLOR = settings.system?g.theme.fg:settings.fg;
const BG_COLOR = settings.system?g.theme.bg:settings.bg;
const ACCENT_COLOR = settings.system?g.theme.bgH:settings.acc;
const SUN_COLOR_START = 0xF800;
const SUN_COLOR_END = 0xFFE0;
const SUN_FACE = 0x0000;
/* Animation polygon sets*/
const CLEAR_POLYS_1 = [
new Uint8Array([0, 176, 0, 0, 176, 0, 176, 0, 0, 0, 0, 176]),
new Uint8Array([0, 176, 0, 0, 176, 0, 170, 7, 10, 12, 7, 168]),
new Uint8Array([0, 176, 0, 0, 176, 0, 139, 49, 41, 45, 43, 125]),
new Uint8Array([0, 176, 0, 0, 176, 0, 90, 81, 82, 86, 85, 94]),
new Uint8Array([0, 176, 0, 0, 176, 0, 91, 85, 85, 85, 85, 91])
];
const CLEAR_POLYS_2 = [
new Uint8Array([0, 176, 176, 176, 176, 0, 176, 0, 176, 176, 0, 176]),
new Uint8Array([0, 176, 176, 176, 176, 0, 170, 7, 162, 161, 7, 168]),
new Uint8Array([0, 176, 176, 176, 176, 0, 139, 49, 130, 126, 43, 125]),
new Uint8Array([0, 176, 176, 176, 176, 0, 90, 81, 95, 89, 85, 94]),
new Uint8Array([0, 176, 176, 176, 176, 0, 91, 85, 91, 91, 85, 91])
];
const BREATHING_POLYS = [
new Uint8Array([72, 88, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 78, 84, 88]),
new Uint8Array([63, 88, 64, 73, 78, 73, 78, 73, 78, 73, 78, 73, 92, 73, 93, 88]),
new Uint8Array([60, 88, 56, 76, 78, 60, 78, 60, 78, 60, 78, 60, 100, 76, 96, 88]),
new Uint8Array([56, 88, 50, 78, 64, 54, 78, 54, 78, 54, 92, 54, 106, 78, 100, 88]),
new Uint8Array([53, 88, 47, 80, 52, 53, 78, 41, 78, 41, 104, 53, 109, 80, 103, 88]),
new Uint8Array([50, 88, 43, 81, 43, 51, 63, 32, 92, 32, 113, 51, 113, 81, 106, 88])];
const SUN_EYE_LEFT_POLY = new Uint8Array([56, 52, 64, 44, 72, 52, 72, 55, 69, 54, 64, 50, 58, 55, 56, 55]);
const SUN_EYE_RIGHT_OFFSET = 30;
const MOUTH_POLY = new Uint8Array([78, 77, 68, 75, 67, 73, 69, 71, 78, 73, 87, 71, 89, 73, 88, 75]);
/* Animation timings */
const TIME_CLEAR_ANIM = 400;
const TIME_CLEAR_BREAK = 10;
const TIME_DEFAULT_ANIM = 300;
const TIME_BUMP_ANIM = 200;
const TIME_EXIT_ANIM = 500;
const TIME_EVENT_CHANGE = 150;
const TIME_EVENT_BREAK_IN = 300;
const TIME_EVENT_BREAK_ANIM = 800;
const TIME_EVENT_BREAK_HALT = 500;
const TIME_EVENT_BREAK_OUT = 500;
/* Utility functions */
/**
* Check if two dates occur on the same day
* @param {Date} d1 The first date to compare
* @param {Date} d2 The second date to compare
* @returns {Boolean} The two dates are on the same day
*/
const isSameDay = function (d1, d2) {
return (d1.getDate() == d2.getDate() && d1.getMonth() == d2.getMonth() && d1.getFullYear() == d2.getFullYear());
};
/**
* Apply sinusoidal easing to a value 0-1
* @param {Number} x Number to ease
* @returns {Number} Ease of x
*/
const ease = function (x) {
"jit";
return 1 - (Math.cos(Math.PI * x) + 1) / 2;
};
/**
* Map from 0-1 to a number interval
* @param {Number} outMin Minimum output number
* @param {Number} outMax Maximum output number
* @param {Number} x Number between 0 and 1 to map from
* @returns {Number} x mapped between min and max
*/
const map = function (outMin, outMax, x) {
"jit";
return outMin + x * (outMax - outMin);
};
/**
* Return [0-1] progress through an interval
* @param {Number} start When the interval was started in ms
* @param {Number} end When the interval is supposed to stop in ms
* @returns {Number} Value between 0 and 1 reflecting progress through interval
*/
const timeProgress = function (start, end) {
"jit";
const length = end - start;
const delta = Date.now() - start;
return Math.min(Math.max(delta / length, 0), 1);
};
/**
* Interpolate between sets of polygon coordinates
* @param {Array} polys An array of arrays, each containing an equally long set of coordinates
* @param {Number} pos Progress through interpolation [0-1]
* @returns {Array} Interpolation between the two closest sets of coordinates
*/
const interpolatePoly = function (polys, pos) {
const span = polys.length - 1;
pos = pos * span;
pos = pos > span ? span : pos;
const upper = polys[Math.ceil(pos)];
const lower = polys[Math.floor(Math.max(pos - 0.000001, 0))];
const interp = pos - Math.floor(pos - 0.000001);
return upper.map((up, i) => {
return Math.round(up * interp + lower[i] * (1 - interp));
});
};
/**
* Repeatedly call callback with progress through an interval of length time
* @param {Function} anim Callback which takes i, animation progress [0-1]
* @param {Number} time How many ms the animation should last
* @returns {void}
*/
const doAnim = function (anim, time) {
const animStart = Date.now();
const animEnd = animStart + time;
let i = 0;
do {
i = timeProgress(animStart, animEnd);
anim(i);
} while (i < 1);
anim(1);
};
/* Screen draw functions */
/**
* Draw an event
* @param {Number} index Index in the events array of event to draw
* @param {Number} yOffset Vertical pixel offset of the draw
* @param {Boolean} drawSecondary Should secondary event be drawn if possible?
*/
const drawEvent = function (index, yOffset, drawSecondary) {
g.setColor(TEXT_COLOR);
// Draw the event time
g.setFontAlign(-1, -1, 0);
g.setFont("Vector", 20);
g.drawString(events[index].time, BORDER_SIZE, PRIMARY_OFFSET + yOffset);
// Draw the event title
g.setFont("8x16");
g.drawString(events[index].title, BORDER_SIZE, PRIMARY_OFFSET + 20 + yOffset);
// And the event description
g.setFont("6x12");
g.drawString(events[index].description, BORDER_SIZE, PRIMARY_OFFSET + 20 + 12 + 2 + yOffset);
// Draw a secondary event if asked to and exists
if (drawSecondary) {
if (index + 1 < events.length) {
if (events[index].date != events[index + 1].date) {
// If event belongs to another day, draw circle
g.fillCircle((g.getWidth() - ACCENT_WIDTH) / 2, g.getHeight() - MARKER_SIZE - WIDGET_SIZE - BORDER_SIZE + yOffset, MARKER_SIZE);
} else {
// Draw event time and title
g.setFont("Vector", 20);
g.drawString(events[index + 1].time, BORDER_SIZE, SECONDARY_OFFSET + yOffset);
g.setFont("8x16");
g.drawString(events[index + 1].title, BORDER_SIZE, SECONDARY_OFFSET + 20 + yOffset);
}
} else {
// If no more events exist, draw end
g.setFontAlign(0, 1, 0);
g.setFont("Vector", 20);
g.drawString("End", (g.getWidth() - ACCENT_WIDTH) / 2, g.getHeight() - BORDER_SIZE + yOffset);
}
}
};
/**
* Draw a two-line caption beneath a figure (Just beneath centre)
* @param {String} first Top string to draw
* @param {String} second Bottom string to draw
* @param {Number} yOffset Vertical pixel offset of the draw
*/
const drawFigureCaption = function (first, second, yOffset) {
g.setFontAlign(0, -1, 0);
g.setFont("Vector", 18);
g.setColor(TEXT_COLOR);
g.drawString(first, (g.getWidth() - ACCENT_WIDTH) / 2, g.getHeight() / 2 + BORDER_SIZE + yOffset);
g.drawString(second, (g.getWidth() - ACCENT_WIDTH) / 2, g.getHeight() / 2 + BORDER_SIZE + 20 + yOffset);
};
/**
* Clear the contents area of the default layout
*/
const clearContent = function () {
g.setColor(BG_COLOR);
g.fillRect(0, 0, g.getWidth() - ACCENT_WIDTH - PIN_SIZE, g.getHeight());
};
/**
* Draw the sun figure (above centre, in content area)
* @param {Number} progress Progress through the sun expansion animation, between 0 and 1
* @param {Number} yOffset Vertical pixel offset of the draw
*/
const drawSun = function (progress, yOffset) {
const p = ease(progress);
const sunColor = progress == 1 ? SUN_COLOR_END : g.blendColor(SUN_COLOR_START, SUN_COLOR_END, p);
g.setColor(sunColor);
g.fillPoly(g.transformVertices(interpolatePoly(BREATHING_POLYS, p), { y: yOffset }));
if (progress > 0.6) {
const faceP = ease((progress - 0.6) * 2.5);
g.setColor(g.blendColor(sunColor, SUN_FACE, faceP));
g.fillPoly(g.transformVertices(SUN_EYE_LEFT_POLY, { y: map(20, 0, faceP) + yOffset }));
g.fillPoly(g.transformVertices(SUN_EYE_LEFT_POLY, { x: SUN_EYE_RIGHT_OFFSET, y: map(20, 0, faceP) + yOffset }));
g.fillPoly(g.transformVertices(MOUTH_POLY, { y: map(10, 0, faceP) + yOffset }));
}
g.setColor(TEXT_COLOR);
g.fillRect({
x: map((g.getWidth() - ACCENT_WIDTH) / 2 - MARKER_SIZE, 20, p),
y: map(g.getHeight() / 2 - MARKER_SIZE, g.getHeight() / 2 - MARKER_SIZE / 2, p) + yOffset,
x2: map((g.getWidth() - ACCENT_WIDTH) / 2 + MARKER_SIZE, (g.getWidth() - ACCENT_WIDTH) - 20, p),
y2: map(g.getHeight() / 2 + MARKER_SIZE / 2, g.getHeight() / 2, p) + yOffset
});
};
/* Animation functions */
/**
* Animate clearing the screen to accent color with a single dot in the middle
*/
const animClearScreen = function () {
let oldPoly1 = CLEAR_POLYS_1[0];
let oldPoly2 = CLEAR_POLYS_2[0];
doAnim(i => {
i = ease(i);
Fix apps with undefined variables
2024-03-13 10:51:40 +00:00
const poly1 = interpolatePoly(CLEAR_POLYS_1, i);
const poly2 = interpolatePoly(CLEAR_POLYS_2, i);
Added app 'Rebble Agenda'
2023-09-03 19:50:54 +00:00
// Fill in black line
g.setColor(TEXT_COLOR);
g.fillPoly(poly1);
g.fillPoly(poly2);
// Fill in outer shape
g.setColor(ACCENT_COLOR);
g.fillPoly(oldPoly1);
g.fillPoly(oldPoly2);
g.flip();
// Save poly for next loop outer shape
oldPoly1 = poly1;
oldPoly2 = poly2;
}, TIME_CLEAR_ANIM);
// Draw circle
g.setColor(TEXT_COLOR);
g.fillCircle(g.getWidth() / 2, g.getHeight() / 2, MARKER_SIZE);
g.flip();
};
/**
* Animate from a cleared screen and dot to the default layout
*/
const animDefaultScreen = function () {
doAnim(i => {
// Draw the circle moving into the corner
i = ease(i);
const circleX = map(g.getWidth() / 2, MARKER_POS_UPPER[0], i);
const circleY = map(g.getHeight() / 2, MARKER_POS_UPPER[1], i);
g.setColor(TEXT_COLOR);
g.fillCircle(circleX, circleY, MARKER_SIZE);
// Move the background poly in from the left
g.setColor(BG_COLOR);
const accentX = map(0, g.getWidth() - ACCENT_WIDTH, i);
g.fillPoly([0, 0, accentX, 0, accentX, MARKER_POS_UPPER[1] - PIN_SIZE, accentX - PIN_SIZE, MARKER_POS_UPPER[1], accentX, MARKER_POS_UPPER[1] + PIN_SIZE, accentX, 176, 0, 176]);
g.flip();
// Clear the circle for the next loop
g.setColor(ACCENT_COLOR);
g.fillCircle(circleX, circleY, MARKER_SIZE + 2);
}, TIME_DEFAULT_ANIM);
// Finish up the circle
const w = weather.get();
if (w && (w.code || w.txt)) {
doAnim(i => {
weather.drawIcon(w, MARKER_POS_UPPER[0], MARKER_POS_UPPER[1], MARKER_SIZE * 2);
g.setColor(TEXT_COLOR);
g.fillCircle(MARKER_POS_UPPER[0], MARKER_POS_UPPER[1], MARKER_SIZE * ease(1 - i));
g.flip();
}, 100);
} else {
g.setColor(TEXT_COLOR);
g.fillCircle(MARKER_POS_UPPER[0], MARKER_POS_UPPER[1], MARKER_SIZE);
}
};
/**
* Animate the sun figure expand or shrink fully
* @param {Number} direction Direction in which to animate. +1 = Expand. -1 = Shrink
*/
const animSun = function (direction) {
doAnim(i => {
// Clear and redraw just the sun area
g.setColor(BG_COLOR);
g.fillRect(0, 31, g.getWidth() - ACCENT_WIDTH - PIN_SIZE, g.getHeight() / 2 + 4);
drawSun((direction == 1 ? 0 : 1) + i * direction, 0);
g.flip();
}, TIME_EVENT_BREAK_ANIM);
};
/**
* Animate from centre dot to an event or backwards. Used for entering (forwards) or leaving (backwards) the day-change animation
* @param {Number} index Index of the event to draw animate in or out
* @param {Number} direction Direction of the animation. +1 = Event -> Dot. -1 = Dot -> Event
*/
const animEventToMarker = function (index, direction) {
doAnim(i => {
let ei = direction == 1 ? ease(i) : ease(1 - i);
clearContent();
drawEvent(index, -(SECONDARY_OFFSET - PRIMARY_OFFSET) * ei, false);
g.fillCircle((g.getWidth() - ACCENT_WIDTH) / 2, map(g.getHeight() - MARKER_SIZE - WIDGET_SIZE - BORDER_SIZE, g.getHeight() / 2, ei), MARKER_SIZE);
g.flip();
}, TIME_EVENT_BREAK_IN);
};
/**
* Blit the current contents of content area out of screen, replacing it with something. Currently only for moving stuff upwards.
* @param {Function} thing Callback for the new thing to draw on the screen
* @param {Number} time How long the animation should last
*/
const animBlitToX = function (thing, time) {
let oldI = 0;
doAnim(i => {
// Move stuff out of frame, index into frame
g.blit({
x1: 0,
y1: 0,
w: g.getWidth() - ACCENT_WIDTH - PIN_SIZE,
h: ease(1 - oldI) * g.getHeight(),
x2: 0,
y2: - (ease(i) - ease(oldI)) * g.getHeight(),
setModified: true
});
g.setColor(BG_COLOR);
// Only clear where old stuff no longer is
g.fillRect(0, g.getHeight() * (1 - ease(i)), g.getWidth() - ACCENT_WIDTH - PIN_SIZE, g.getHeight());
thing(i);
g.flip();
oldI = i;
}, time);
};
/**
* Transition between one event and another, showing a day-change animation if needed
* @param {Number} startIndex The event index that we are animating out of
* @param {Number} endIndex The event index that we are animating into
*/
const animEventTransition = function (startIndex, endIndex) {
if (events[startIndex].date == events[endIndex].date) {
// If both events are within the same day, just scroll from one to the other.
// First determine which event is on top and which direction we are animating in
let topIndex = (startIndex < endIndex) ? startIndex : endIndex;
let botIndex = (startIndex < endIndex) ? endIndex : startIndex;
let direction = (startIndex < endIndex) ? 1 : -1;
let offset = (startIndex < endIndex) ? 0 : 1;
doAnim(i => {
// Animate the two events moving towards their destinations
clearContent();
drawEvent(topIndex, -(SECONDARY_OFFSET - PRIMARY_OFFSET) * ease(offset + direction * i), false);
drawEvent(botIndex, (SECONDARY_OFFSET - PRIMARY_OFFSET) - (SECONDARY_OFFSET - PRIMARY_OFFSET) * ease(offset + direction * i), true);
g.flip();
}, TIME_EVENT_CHANGE);
// Finally, reset contents and redraw for good measure
clearContent();
drawEvent(endIndex, 0, true);
g.flip();
} else {
// The events are on different days, trigger day-change animation
if (startIndex < endIndex) {
// Destination is later, Stuff moves upwards
animEventToMarker(startIndex, 1); // The day-end dot moves to center of screen
drawFigureCaption(events[endIndex].weekday, events[endIndex].date, 0); // Caption between sun appears, no need to continuously redraw
animSun(1); // Animate the sun expanding
doAnim(i => { }, TIME_EVENT_BREAK_HALT); // Wait for a moment
animBlitToX(i => { drawEvent(endIndex, g.getHeight() - g.getHeight() * ease(i), true); }, TIME_EVENT_BREAK_OUT); // Blit the sun and caption out, replacing with destination event
} else {
// Destination is earlier, content moves downwards
doAnim(i => {
// Can't animBlit, draw sun and figure caption replacing origin event
clearContent();
drawEvent(startIndex, g.getHeight() * ease(i), true);
drawSun(1, - g.getHeight() * ease(1 - i));
drawFigureCaption(events[endIndex].weekday, events[endIndex].date, - g.getHeight() * ease(1 - i));
g.flip();
}, TIME_EVENT_BREAK_OUT);
doAnim(i => { }, TIME_EVENT_BREAK_HALT); // Wait for a moment
animSun(-1); // Collapse the sun
animEventToMarker(endIndex, -1); // Animate from dot to destination event
}
}
g.flip();
};
/**
* Bump the event because we've reached an end
* @param {Number} index The index of the event which we are currently at (probably last)
* @param {Number} direction Which direction to bump. +1 = content moves down, then up. -1 = content moves up, back down
*/
const animEventBump = function (index, direction) {
doAnim(i => {
clearContent();
drawEvent(index, Math.sin(Math.PI * i) * 24 * direction, true);
g.flip();
}, TIME_BUMP_ANIM);
};
/**
* Run the exit animation of the application
*/
const animExit = function () {
// First, move out (downwards) the current event
doAnim(i => {
clearContent();
drawEvent(currentEventIndex, ease(i) * g.getHeight(), true);
g.flip();
}, TIME_EXIT_ANIM / 3 * 2);
// Clear the screen leftwards with the accent color
g.setColor(ACCENT_COLOR);
doAnim(i => {
g.fillRect(ease(1 - i) * g.getWidth(), 0, g.getWidth(), g.getHeight());
g.flip();
}, TIME_EXIT_ANIM / 3);
};
/**
* Animate from empty default screen to the first event to show.
* If the event we're moving to is not later today, show the date first.
*/
const animFirstEvent = function () {
if (!isSameDay(new Date(events[currentEventIndex].timestamp * 1000), new Date())) {
drawFigureCaption(events[currentEventIndex].weekday, events[currentEventIndex].date, 0);
animSun(1);
doAnim(i => { }, TIME_EVENT_BREAK_HALT);
animBlitToX(i => { drawEvent(currentEventIndex, g.getHeight() - g.getHeight() * ease(i), true); }, TIME_EVENT_BREAK_OUT, 1);
} else {
drawEvent(currentEventIndex, 0, true);
}
};
/* Setup */
/* Load events */
const today = new Date();
const tomorrow = new Date();
const yesterday = new Date();
tomorrow.setDate(tomorrow.getDate() + 1);
yesterday.setDate(yesterday.getDate() - 1);
g.setFont("6x12");
const locale = require("locale");
let events = (require("Storage").readJSON("android.calendar.json", true) || []).map(event => {
// Title uses 8x16 font, 8 px wide characters. Limit title to fit on a line.
let title = event.title;
if (title.length > (g.getWidth() - 2 * BORDER_SIZE - ACCENT_WIDTH) / 8) {
title = title.slice(0, ((g.getWidth() - 2 * BORDER_SIZE - ACCENT_WIDTH) / 8) - 3) + "...";
}
// Wrap description to fit four lines of content
let description = g.wrapString(event.description, g.getWidth() - 2 * BORDER_SIZE - ACCENT_WIDTH - PIN_SIZE).slice(0, 4).join("\n");
// Set weekday text
let eventDate = new Date(event.timestamp * 1000);
let weekday = locale.dow(eventDate);
if (isSameDay(eventDate, today)) {
weekday = /*LANG*/"Today";
} else if (isSameDay(eventDate, tomorrow)) {
weekday = /*LANG*/"Tomorrow";
} else if (isSameDay(eventDate, yesterday)) {
weekday = /*LANG*/"Yesterday";
}
return {
timestamp: event.timestamp,
weekday: weekday,
date: locale.date(eventDate, 1),
time: locale.time(eventDate, 1) + locale.meridian(eventDate),
title: title,
description: description
};
}).sort((a, b) => { return a.timestamp - b.timestamp; });
// If no events, add a note.
if (events.length == 0) {
events[0] = {
timestamp: Date.now() / 1000,
weekday: /*LANG*/"Today",
date: require("locale").date(new Date(), 1),
time: require("locale").time(new Date(), 1),
title: /*LANG*/"No events",
description: /*LANG*/"Nothing to do"
};
}
// We should start at the first event later than now
let currentEventIndex = events.findIndex((event) => { return event.timestamp * 1000 > Date.now(); });
if (currentEventIndex == -1) currentEventIndex = 0; // Or just first event if none found
// Setup the UI with remove to support fast load
Bangle.setUI({
mode: "custom",
btn: () => { animExit(); Bangle.load(); },
remove: function () {
require("widget_utils").show();
delete Graphics.prototype.Font6x12;
delete Graphics.prototype.Font8x16;
Bangle.removeListener('swipe', onSwipe);
},
});
/**
* Callback for swipe gesture. Transitions between adjacent events.
* @param {Number} directionLR Unused.
* @param {Number} directionUD Whether swipe direction is up or down
*/
const onSwipe = function (directionLR, directionUD) {
if (directionUD == -1) {
// Swiping up
if (currentEventIndex + 1 < events.length) {
// Animate to the next event
animEventTransition(currentEventIndex, currentEventIndex + 1);
currentEventIndex += 1;
} else {
// We've hit the end, bump
animEventBump(currentEventIndex, -1);
}
} else if (directionUD == 1) {
//Swiping down
if (currentEventIndex > 0) {
// Animate to the previous event
animEventTransition(currentEventIndex, currentEventIndex - 1);
currentEventIndex -= 1;
} else {
// If swiping earlier than earliest event, exit back to watchface
animExit();
Bangle.load();
}
}
};
// Ready animations for showing the first event, then register swipe listener for switching events
setTimeout(() => {
animDefaultScreen();
animFirstEvent();
Bangle.on('swipe', onSwipe);
}, TIME_CLEAR_ANIM + TIME_CLEAR_BREAK);
animClearScreen(); // Start visible changes by clearing the screen
// Load and hide widgets to background
Bangle.loadWidgets();
require("widget_utils").hide();
}