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396 lines (357 loc) · 14.5 KB
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import { clamp } from "~/util/numeric-util";
import { formatRelativeTime } from "~/util/date-util";
import { BdfFont, getDefaultSmallFont } from "../graphics/bdffont";
import { truncateText } from "../graphics/textwrap";
import { GrayImage } from "../graphics/image";
import { wrapText } from "../graphics/textwrap";
import { GESTURE_DOUBLE_CLICK } from "./gestures";
import {
dismissNotification,
invokeNotificationAction,
readActiveNotifications,
readNotificationIconByKey,
type AndroidNotification,
type AndroidNotificationAction,
} from "../native/notification-icons";
import { isNotificationListenerEnabled } from "../native/notification-access";
import { noteStaleDataUsed, renderPassAllowsStaleData } from "../util/render-freshness";
import { type DashboardInputEvent, type Layer, type LayerContext, type PaintBelow } from "./layers";
const PAGE_X = 12;
const PAGE_Y = 12;
const LIST_TOP = 38;
const CARD_X = 20;
const ICON_SIZE = 24;
const ICON_TEXT_GAP = 8;
const CARD_TEXT_X = 10 + ICON_SIZE + ICON_TEXT_GAP;
const LINE_HEIGHT = 14;
const CARD_GAP = 6;
const MAX_NOTIFICATIONS = 50;
// Right-hand action menu of the detail view.
const DETAIL_MENU_WIDTH = 148;
const DETAIL_CONTENT_X = 24;
/** Icon for a paint pass: allow-stale, reporting staleness to the render loop. */
function iconForNotification(key: string): GrayImage | null {
const { icon, stale } = readNotificationIconByKey(key, renderPassAllowsStaleData());
if (stale) {
noteStaleDataUsed();
}
return icon;
}
type CardLayout = {
notification: AndroidNotification;
height: number;
lines: string[];
};
type DetailMenuItem =
| { kind: "back"; label: string }
| { kind: "action"; label: string; action: AndroidNotificationAction }
| { kind: "dismiss"; label: string };
export type SingleNotificationLayerOrigin = "notifications-list" | "new-notification-modal";
type SingleNotificationLayerOptions = {
origin: SingleNotificationLayerOrigin;
/** Close hook for the modal origin (the layer is the modal stack's base, so pop() cannot close it). */
closeModal?: (ctx: LayerContext) => void;
};
/**
* Scrollable list of active Android notifications. Sized to its hosting
* stack (the Notifications app viewport). Selecting one pushes the detail
* view.
*/
export class NotificationsListLayer implements Layer {
private selectedKey = "";
paint(ctx: LayerContext): GrayImage {
const font = getDefaultSmallFont();
const { width, height } = ctx.stack.getBaseSize();
const image = new GrayImage(width, height, 0);
const cardWidth = width - 2 * CARD_X;
const cardTextWidth = cardWidth - CARD_TEXT_X - 14;
const notifications = readActiveNotifications(MAX_NOTIFICATIONS);
const selectedIndex = this.resolveSelectedIndex(notifications);
const layouts = notifications.map((notification, index) =>
buildNotificationCardLayout(font, notification, index === selectedIndex, cardTextWidth),
);
image.drawText(font, PAGE_X + 12, PAGE_Y + 9, "Notifications", 220);
image.drawText(font, width - 96, PAGE_Y + 9, `${selectedIndex + 1}/${notifications.length}`, 150);
if (!notifications.length) {
const message = isNotificationListenerEnabled()
? "No current Android notifications."
: "Grant permission on your phone to view notifications on the glasses.";
const messageLines = wrapText(font, message, width - 48);
for (let index = 0; index < messageLines.length; index++) {
image.drawText(font, 24, 72 + index * LINE_HEIGHT, messageLines[index]!, 190);
}
image.drawText(font, 24, height - 36, `${GESTURE_DOUBLE_CLICK} back`, 110);
return image;
}
const focused = ctx.stack.isFocused();
const listBottom = height;
const scrollY = scrollForSelected(layouts, selectedIndex, listBottom - LIST_TOP);
let cursorY = LIST_TOP - scrollY;
for (let index = 0; index < layouts.length; index++) {
const layout = layouts[index]!;
if (cursorY + layout.height >= LIST_TOP && cursorY <= listBottom) {
// Icons are only resolved for cards actually drawn, so a long list
// does not fetch icons for everything below the fold.
const icon = iconForNotification(layout.notification.key);
drawNotificationCard(image, font, layout, CARD_X, cursorY, cardWidth, index === selectedIndex, focused, icon);
}
cursorY += layout.height + CARD_GAP;
if (cursorY > listBottom + 80) break;
}
return image;
}
handleInput(event: DashboardInputEvent, ctx: LayerContext): void {
const notifications = readActiveNotifications(MAX_NOTIFICATIONS);
const selectedIndex = this.resolveSelectedIndex(notifications);
if (event.type === "double-click") {
// At the app's root this is intercepted by the yield wrapper; reached
// only if hosted somewhere deeper, where popping is right.
ctx.stack.pop();
return;
}
if (!notifications.length) return;
if (event.type === "scroll-up") {
this.selectedKey = notifications[Math.max(0, selectedIndex - 1)]!.key;
return;
}
if (event.type === "scroll-down") {
this.selectedKey = notifications[Math.min(notifications.length - 1, selectedIndex + 1)]!.key;
return;
}
if (event.type === "click") {
ctx.stack.push(new SingleNotificationLayer(notifications[selectedIndex]!.key, {
origin: "notifications-list",
}));
}
}
private resolveSelectedIndex(notifications: AndroidNotification[]): number {
if (!notifications.length) {
this.selectedKey = "";
return -1;
}
let index = notifications.findIndex((notification) => notification.key === this.selectedKey);
if (index < 0) {
index = 0;
this.selectedKey = notifications[0]!.key;
}
return index;
}
}
/**
* One notification's full content plus its action menu. Sized to its hosting
* stack: the Notifications app viewport, or the interior of the shell's
* new-notification modal.
*/
export class SingleNotificationLayer implements Layer {
private selectedMenuIndex = 0;
constructor(
private readonly notificationKey: string,
private readonly options: SingleNotificationLayerOptions,
) {}
paint(ctx: LayerContext, paintBelow: PaintBelow): GrayImage {
const font = getDefaultSmallFont();
const { width, height } = ctx.stack.getBaseSize();
const image = new GrayImage(width, height, 0);
const notification = readActiveNotifications(MAX_NOTIFICATIONS).find((item) => item.key === this.notificationKey);
if (!notification) {
return this.closeUnavailableNotification(ctx, paintBelow);
}
const menu = buildDetailMenu(notification);
this.selectedMenuIndex = clamp(this.selectedMenuIndex, 0, Math.max(0, menu.length - 1));
drawDetailContent(image, font, notification, iconForNotification(notification.key), width, height);
drawDetailMenu(image, font, menu, this.selectedMenuIndex, width);
return image;
}
handleInput(event: DashboardInputEvent, ctx: LayerContext): void {
const notification = readActiveNotifications(MAX_NOTIFICATIONS).find((item) => item.key === this.notificationKey);
if (!notification) {
this.closeUnavailableNotification(ctx);
return;
}
const menu = buildDetailMenu(notification);
if (event.type === "double-click") {
this.close(ctx);
return;
}
if (event.type === "scroll-up") {
this.selectedMenuIndex = Math.max(0, this.selectedMenuIndex - 1);
return;
}
if (event.type === "scroll-down") {
this.selectedMenuIndex = Math.min(menu.length - 1, this.selectedMenuIndex + 1);
return;
}
if (event.type !== "click") return;
const item = menu[this.selectedMenuIndex]!;
if (item.kind === "back") {
this.close(ctx);
} else if (item.kind === "action") {
invokeNotificationAction(this.notificationKey, item.action.index);
if (!readActiveNotifications(MAX_NOTIFICATIONS).some((item) => item.key === this.notificationKey)) {
this.closeUnavailableNotification(ctx);
}
} else if (item.kind === "dismiss") {
dismissNotification(this.notificationKey);
this.closeUnavailableNotification(ctx);
}
}
/** Leave the detail view, whatever hosts it. */
private close(ctx: LayerContext): void {
if (this.options.origin === "new-notification-modal") {
this.options.closeModal?.(ctx);
} else {
ctx.stack.pop();
}
}
private closeUnavailableNotification(ctx: LayerContext, paintBelow?: PaintBelow): GrayImage {
this.close(ctx);
const { width, height } = ctx.stack.getBaseSize();
return paintBelow ? paintBelow() : new GrayImage(width, height, 0);
}
}
function buildNotificationCardLayout(
font: BdfFont,
notification: AndroidNotification,
selected: boolean,
cardTextWidth: number,
): CardLayout {
const lines: string[] = [];
const time = formatRelativeTime(notification.postTime);
const title = notificationTitle(notification);
const timeSuffix = time ? ` ${time}` : "";
lines.push(truncateText(font, `${title}${timeSuffix}`, cardTextWidth));
const appName = notification.appName || notification.packageName;
const body = primaryNotificationBody(notification);
if (selected) {
if (appName && appName !== title) {
lines.push(truncateText(font, appName, cardTextWidth));
}
if (body) {
lines.push(...wrapText(font, body, cardTextWidth).slice(0, 4));
}
} else if (body) {
lines.push(truncateText(font, wrapText(font, body, cardTextWidth)[0]!, cardTextWidth));
}
if (notification.actions.length) {
lines.push(`${notification.actions.length} quick action${notification.actions.length === 1 ? "" : "s"}`);
}
return {
notification,
lines,
height: Math.max(42, 12 + lines.length * LINE_HEIGHT),
};
}
function drawNotificationCard(
image: GrayImage,
font: BdfFont,
layout: CardLayout,
x: number,
y: number,
width: number,
selected: boolean,
focused: boolean,
icon: GrayImage | null,
): void {
// Match the shared menu highlight: faint border + black fill when
// unselected; bright border when selected; the non-black fill only appears
// when the app also has focus (selected-but-unfocused stays black-filled).
const fill = selected && focused ? 15 : 1;
const stroke = selected ? 110 : 38;
image.fillRoundedRect(x, y, width, layout.height, fill, 8);
image.drawRoundedRect(x, y, width, layout.height, stroke, 8);
if (icon) {
image.bitBlt(icon, x + 10, y + 8, { transparentZero: true });
}
for (let index = 0; index < layout.lines.length; index++) {
const value = index === 0 ? 140 : selected ? 235 : 185;
image.drawText(font, x + CARD_TEXT_X, y + 7 + index * LINE_HEIGHT, layout.lines[index]!, value);
}
}
function scrollForSelected(layouts: CardLayout[], selectedIndex: number, viewportHeight: number): number {
if (selectedIndex < 0) return 0;
let selectedTop = 0;
for (let index = 0; index < selectedIndex; index++) {
selectedTop += layouts[index]!.height + CARD_GAP;
}
const selectedBottom = selectedTop + layouts[selectedIndex]!.height;
const contentHeight = layouts.reduce((sum, layout) => sum + layout.height + CARD_GAP, 0);
const maxScroll = Math.max(0, contentHeight - viewportHeight);
const centered = selectedTop - Math.max(0, (viewportHeight - (selectedBottom - selectedTop)) / 2);
return clamp(centered | 0, 0, maxScroll);
}
function drawDetailContent(
image: GrayImage,
font: BdfFont,
notification: AndroidNotification,
icon: GrayImage | null,
width: number,
height: number,
): void {
const contentX = DETAIL_CONTENT_X;
const menuX = width - DETAIL_MENU_WIDTH - 24;
const contentWidth = menuX - contentX - 20;
image.drawText(font, PAGE_X + 12, PAGE_Y + 9, "Notification", 220);
let appLineX = contentX;
if (icon) {
image.bitBlt(icon, contentX, 36, { transparentZero: true });
appLineX = contentX + ICON_SIZE + ICON_TEXT_GAP;
}
image.drawText(font, appLineX, 42, `${notification.appName || notification.packageName} ${formatRelativeTime(notification.postTime)}`, 150);
const lines: string[] = [];
lines.push(...wrapText(font, notification.title || "(untitled)", contentWidth));
const body = detailNotificationBody(notification);
if (body) {
lines.push("");
lines.push(...wrapText(font, body, contentWidth));
}
const meta = [notification.subText, notification.infoText, notification.summaryText].filter(Boolean).join(" ");
if (meta) {
lines.push("");
lines.push(...wrapText(font, meta, contentWidth));
}
const maxLines = Math.max(1, ((height - 64 - 14) / LINE_HEIGHT) | 0);
for (let index = 0; index < Math.min(lines.length, maxLines); index++) {
const line = lines[index]!;
image.drawText(font, contentX, 64 + index * LINE_HEIGHT, line, index === 0 ? 230 : 190);
}
if (lines.length > maxLines) {
image.drawText(font, contentX, height - 24, "...", 140);
}
}
function drawDetailMenu(image: GrayImage, font: BdfFont, menu: DetailMenuItem[], selectedIndex: number, width: number): void {
const menuX = width - DETAIL_MENU_WIDTH - 24;
const menuY = 24;
for (let index = 0; index < menu.length; index++) {
const y = menuY + index * 22;
const selected = index === selectedIndex;
if (selected) {
image.fillRoundedRect(menuX - 8, y - 2, DETAIL_MENU_WIDTH, 19, 18, 6);
image.drawRoundedRect(menuX - 8, y - 2, DETAIL_MENU_WIDTH, 19, 60, 6);
}
const label = truncateText(font, menu[index]!.label, DETAIL_MENU_WIDTH - 12);
image.drawText(font, menuX, y + 2, label, selected ? 255 : 185);
}
}
function buildDetailMenu(notification: AndroidNotification): DetailMenuItem[] {
return [
{ kind: "back", label: "Back" },
...notification.actions.map((action): DetailMenuItem => ({
kind: "action",
label: action.enabled ? action.title : `${action.title} (unavailable)`,
action,
})),
{ kind: "dismiss", label: "Dismiss" },
];
}
function primaryNotificationBody(notification: AndroidNotification): string {
const title = notificationTitle(notification);
const body = notification.bigText || notification.text || notification.lines.join(" / ") || notification.summaryText || "";
return body === title ? "" : body;
}
function detailNotificationBody(notification: AndroidNotification): string {
const lines = notification.lines.length ? notification.lines.join("\n") : "";
return [notification.bigText || notification.text, lines].filter(Boolean).join("\n");
}
function notificationTitle(notification: AndroidNotification): string {
return notification.title || notification.text || notification.summaryText || notification.appName || notification.packageName || "(untitled)";
}