sel: add fragment (fix #861)

Signed-off-by: Varun Patil <radialapps@gmail.com>

src/App.vue

@@ -77,7 +77,6 @@ const NcAppNavigationItem = () => import('@nextcloud/vue/dist/Components/NcAppNa
 import { generateUrl } from '@nextcloud/router';
 import { translate as t } from '@nextcloud/l10n';
 
-import fragment from './services/fragment';
 import * as utils from './services/utils';
 import * as nativex from './native';
 import staticConfig from './services/static-config';
@@ -163,8 +162,7 @@ export default defineComponent({
 
   watch: {
     async $route(to: Route, from: Route) {
-      // Global triggers
-      fragment.changeTrigger(to, from);
+      utils.fragment.changeTrigger(to, from);
     },
   },
 

src/components/SelectionManager.vue

@@ -2,7 +2,7 @@
   <div>
     <div v-if="show" class="top-bar">
       <NcActions :inline="1">
-        <NcActionButton :aria-label="t('memories', 'Cancel')" @click="clearSelection()">
+        <NcActionButton :aria-label="t('memories', 'Cancel')" @click="clear()">
           {{ t('memories', 'Cancel') }}
           <template #icon> <CloseIcon :size="20" /> </template>
         </NcActionButton>
@@ -270,19 +270,22 @@ export default defineComponent({
     }
 
     // Subscribe to global events
-    utils.bus.on('memories:albums:update', this.clearSelection);
+    utils.bus.on('memories:albums:update', this.clear);
+    utils.bus.on('memories:fragment:pop:selection', this.clear);
   },
 
   beforeDestroy() {
     this.setHasTopBar(false);
 
     // Unsubscribe from global events
-    utils.bus.off('memories:albums:update', this.clearSelection);
+    utils.bus.off('memories:albums:update', this.clear);
+    utils.bus.off('memories:fragment:pop:selection', this.clear);
   },
 
   watch: {
-    show(value: boolean) {
+    show(value: boolean, from: boolean) {
       this.setHasTopBar(value);
+      utils.fragment.if(value, utils.fragment.types.selection);
     },
   },
 
@@ -701,10 +704,14 @@ export default defineComponent({
     },
 
     /** Clear all selected photos */
-    clearSelection(only?: IPhoto[]) {
+    clear() {
+      this.deselect(Array.from(this.selection.values()));
+    },
+
+    /** Deslect the given photos */
+    deselect(photos: IPhoto[]) {
       const heads = new Set<IHeadRow>();
-      const toClear = only || this.selection.values();
-      Array.from(toClear).forEach((photo: IPhoto) => {
+      photos.forEach((photo: IPhoto) => {
         photo.flag &= ~this.c.FLAG_SELECTED;
         heads.add(this.heads[photo.dayid]);
         this.selection.deleteBy(photo);
@@ -766,7 +773,7 @@ export default defineComponent({
       for await (const ids of dav.favoritePhotos(selection.photosNoDupFileId(), val)) {
         selection.photosFromFileIds(ids).forEach((photo) => dav.favoriteSetFlag(photo, val));
       }
-      this.clearSelection();
+      this.clear();
     },
 
     /**

src/components/Timeline.vue

@@ -108,7 +108,6 @@ import EmptyContent from './top-matter/EmptyContent.vue';
 import TopMatter from './top-matter/TopMatter.vue';
 import DynamicTopMatter from './top-matter/DynamicTopMatter.vue';
 
-import fragment from '../services/fragment';
 import * as dav from '../services/dav';
 import * as utils from '../services/utils';
 import * as nativex from '../native';
@@ -267,9 +266,9 @@ export default defineComponent({
       }
 
       // Check if viewer is supposed to be open
-      if (from?.hash !== to.hash && !_m.viewer.isOpen && fragment.viewer) {
+      if (from?.hash !== to.hash && !_m.viewer.isOpen && utils.fragment.viewer) {
         // Open viewer
-        const [dayidStr, key] = fragment.viewer.args;
+        const [dayidStr, key] = utils.fragment.viewer.args;
         const dayid = parseInt(dayidStr);
         if (isNaN(dayid) || !key) return;
 
@@ -330,7 +329,7 @@ export default defineComponent({
 
     /** Reset all state */
     async resetState() {
-      this.refs.selectionManager.clearSelection();
+      this.refs.selectionManager.clear();
       this.refs.scrollerManager.reset();
       this.loading = 0;
       this.list = [];
@@ -366,7 +365,7 @@ export default defineComponent({
      * Do not pass this function as a callback directly.
      */
     async softRefreshInternal(sync: boolean) {
-      this.refs.selectionManager.clearSelection();
+      this.refs.selectionManager.clear();
       this.fetchDayQueue = []; // reset queue
 
       // Fetch days
@@ -1301,7 +1300,7 @@ export default defineComponent({
       await new Promise((resolve) => setTimeout(resolve, 200));
 
       // clear selection at this point
-      this.refs.selectionManager.clearSelection(delPhotos);
+      this.refs.selectionManager.deselect(delPhotos);
 
       // Reflow all touched days
       for (const day of updatedDays) {

src/components/viewer/Viewer.vue

@@ -183,7 +183,6 @@ import { showError } from '@nextcloud/dialogs';
 import axios from '@nextcloud/axios';
 
 import { API } from '../../services/API';
-import fragment from '../../services/fragment';
 import * as dav from '../../services/dav';
 import * as utils from '../../services/utils';
 import * as nativex from '../../native';
@@ -643,15 +642,12 @@ export default defineComponent({
     setFragment(photo: IPhoto | null) {
       // Add or update fragment
       if (photo) {
-        return fragment.push({
-          type: fragment.types.viewer,
-          args: [String(photo.dayid), photo.key!],
-        });
+        return utils.fragment.push(utils.fragment.types.viewer, String(photo.dayid), photo.key!);
       }
 
       // Remove fragment if closed
       if (!this.isOpen) {
-        return fragment.pop(fragment.types.viewer);
+        return utils.fragment.pop(utils.fragment.types.viewer);
       }
     },
 

src/services/utils/event-bus.ts

@@ -1,6 +1,6 @@
 import { emit, subscribe, unsubscribe } from '@nextcloud/event-bus';
 import type { IConfig, IPhoto } from '../../types';
-import type { FragmentName, Fragment } from '../fragment';
+import type { FragmentName, Fragment } from './fragment';
 
 export type BusEvent = {
   /** Open/close the navigation drawer */

src/services/utils/fragment.ts

@@ -1,9 +1,10 @@
 import type { Route } from 'vue-router';
-import * as utils from './utils';
+import { bus } from './event-bus';
 
 /** Mapping of route name to key type */
-export enum FragmentType {
+enum FragmentType {
   viewer = 'v',
+  selection = 's',
 }
 
 /** Names of fragments */
@@ -52,7 +53,7 @@ const cache = {
   list: [] as Fragment[],
 };
 
-export default {
+export const fragment = {
   /**
    * List of all fragment types.
    */
@@ -83,7 +84,8 @@ export default {
    * Add fragment to route.
    * @param frag Fragment to add to route
    */
-  push(frag: Fragment) {
+  push(type: FragmentType, ...args: string[]) {
+    const frag: Fragment = { type, args };
     const list = this.list;
 
     // Get the top fragment
@@ -147,6 +149,14 @@ export default {
     }
   },
 
+  /**
+   * Sync a fragment with a boolean condition.
+   */
+  if(condition: boolean, type: FragmentType, ...args: string[]) {
+    if (condition) this.push(type, ...args);
+    else this.pop(type);
+  },
+
   get viewer() {
     return this.get(FragmentType.viewer);
   },
@@ -167,7 +177,7 @@ export default {
         for (const [key, type] of Object.entries(FragmentType)) {
           const name = key as FragmentName;
           if (type === frag.type) {
-            utils.bus.emit(`memories:fragment:pop:${name}`, frag);
+            bus.emit(`memories:fragment:pop:${name}`, frag);
             break;
           }
         }

src/services/utils/index.ts

@@ -5,3 +5,4 @@ export * from './date';
 export * from './helpers';
 export * from './dialog';
 export * from './event-bus';
+export * from './fragment';