mirror of
https://github.com/vector-im/hydrogen-web.git
synced 2024-12-23 03:25:12 +01:00
define storage keys to be 32bit for idb / web platform
as a preparation to serialize the eventIndex and fragmentId as a 8 character string, part of a concatenated string PK, as lumia doesn't support array keys.
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5
src/Platform.js
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5
src/Platform.js
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@ -0,0 +1,5 @@
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// #ifdef PLATFORM_GNOME
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// export {default} from "./ui/gnome/GnomePlatform.js";
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// #else
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export {default} from "./ui/web/WebPlatform.js";
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// #endif
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@ -1,7 +1,4 @@
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const DEFAULT_LIVE_FRAGMENT_ID = 0;
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import Platform from "../../../Platform.js";
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const MIN_EVENT_INDEX = Number.MIN_SAFE_INTEGER + 1;
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const MAX_EVENT_INDEX = Number.MAX_SAFE_INTEGER - 1;
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const MID_EVENT_INDEX = 0;
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// key for events in the timelineEvents store
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// key for events in the timelineEvents store
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export default class EventKey {
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export default class EventKey {
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@ -12,7 +9,7 @@ export default class EventKey {
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nextFragmentKey() {
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nextFragmentKey() {
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// could take MIN_EVENT_INDEX here if it can't be paged back
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// could take MIN_EVENT_INDEX here if it can't be paged back
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return new EventKey(this.fragmentId + 1, MID_EVENT_INDEX);
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return new EventKey(this.fragmentId + 1, Platform.middleStorageKey);
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}
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}
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nextKeyForDirection(direction) {
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nextKeyForDirection(direction) {
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@ -32,15 +29,15 @@ export default class EventKey {
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}
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}
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static get maxKey() {
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static get maxKey() {
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return new EventKey(Number.MAX_SAFE_INTEGER, Number.MAX_SAFE_INTEGER);
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return new EventKey(Platform.maxStorageKey, Platform.maxStorageKey);
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}
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}
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static get minKey() {
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static get minKey() {
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return new EventKey(Number.MIN_SAFE_INTEGER, Number.MIN_SAFE_INTEGER);
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return new EventKey(Platform.minStorageKey, Platform.minStorageKey);
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}
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}
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static get defaultLiveKey() {
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static get defaultLiveKey() {
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return new EventKey(DEFAULT_LIVE_FRAGMENT_ID, MID_EVENT_INDEX);
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return new EventKey(Platform.minStorageKey, Platform.middleStorageKey);
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}
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}
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toString() {
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toString() {
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@ -1,6 +1,7 @@
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import BaseEntry from "./BaseEntry.js";
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import BaseEntry from "./BaseEntry.js";
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import Direction from "../Direction.js";
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import Direction from "../Direction.js";
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import {isValidFragmentId} from "../common.js";
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import {isValidFragmentId} from "../common.js";
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import Platform from "../../../../Platform.js";
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export default class FragmentBoundaryEntry extends BaseEntry {
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export default class FragmentBoundaryEntry extends BaseEntry {
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constructor(fragment, isFragmentStart, fragmentIdComparer) {
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constructor(fragment, isFragmentStart, fragmentIdComparer) {
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@ -36,9 +37,9 @@ export default class FragmentBoundaryEntry extends BaseEntry {
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get entryIndex() {
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get entryIndex() {
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if (this.started) {
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if (this.started) {
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return Number.MIN_SAFE_INTEGER;
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return Platform.minStorageKey;
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} else {
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} else {
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return Number.MAX_SAFE_INTEGER;
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return Platform.maxStorageKey;
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}
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}
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}
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}
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@ -1,4 +1,5 @@
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import EventKey from "../../../room/timeline/EventKey.js";
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import EventKey from "../../../room/timeline/EventKey.js";
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import Platform from "../../../../Platform.js";
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class Range {
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class Range {
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constructor(only, lower, upper, lowerOpen, upperOpen) {
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constructor(only, lower, upper, lowerOpen, upperOpen) {
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@ -19,7 +20,7 @@ class Range {
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if (this._lower && !this._upper) {
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if (this._lower && !this._upper) {
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return IDBKeyRange.bound(
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return IDBKeyRange.bound(
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[roomId, this._lower.fragmentId, this._lower.eventIndex],
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[roomId, this._lower.fragmentId, this._lower.eventIndex],
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[roomId, this._lower.fragmentId, EventKey.maxKey.eventIndex],
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[roomId, this._lower.fragmentId, Platform.maxStorageKey],
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this._lowerOpen,
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this._lowerOpen,
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false
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false
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);
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);
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@ -28,7 +29,7 @@ class Range {
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// also bound as we don't want to move into another roomId
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// also bound as we don't want to move into another roomId
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if (!this._lower && this._upper) {
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if (!this._lower && this._upper) {
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return IDBKeyRange.bound(
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return IDBKeyRange.bound(
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[roomId, this._upper.fragmentId, EventKey.minKey.eventIndex],
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[roomId, this._upper.fragmentId, Platform.minStorageKey],
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[roomId, this._upper.fragmentId, this._upper.eventIndex],
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[roomId, this._upper.fragmentId, this._upper.eventIndex],
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false,
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false,
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this._upperOpen
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this._upperOpen
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@ -1,3 +1,5 @@
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import Platform from "../../../../Platform.js";
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export default class RoomFragmentStore {
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export default class RoomFragmentStore {
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constructor(store) {
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constructor(store) {
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this._store = store;
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this._store = store;
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@ -5,8 +7,8 @@ export default class RoomFragmentStore {
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_allRange(roomId) {
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_allRange(roomId) {
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return IDBKeyRange.bound(
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return IDBKeyRange.bound(
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[roomId, Number.MIN_SAFE_INTEGER],
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[roomId, Platform.minStorageKey],
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[roomId, Number.MAX_SAFE_INTEGER]
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[roomId, Platform.maxStorageKey]
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);
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);
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}
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}
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16
src/ui/web/WebPlatform.js
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16
src/ui/web/WebPlatform.js
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@ -0,0 +1,16 @@
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export default {
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get minStorageKey() {
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// for indexeddb, we use unsigned 32 bit integers as keys
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return 0;
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},
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get middleStorageKey() {
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// for indexeddb, we use unsigned 32 bit integers as keys
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return 0x7FFFFFFF;
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},
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get maxStorageKey() {
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// for indexeddb, we use unsigned 32 bit integers as keys
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return 0xFFFFFFFF;
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},
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}
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