-
Notifications
You must be signed in to change notification settings - Fork 1.7k
/
photo-viewer.svelte
186 lines (163 loc) · 6 KB
/
photo-viewer.svelte
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
<script lang="ts">
import { photoViewer } from '$lib/stores/assets.store';
import { boundingBoxesArray } from '$lib/stores/people.store';
import { alwaysLoadOriginalFile } from '$lib/stores/preferences.store';
import { photoZoomState } from '$lib/stores/zoom-image.store';
import { downloadRequest, getAssetFileUrl, handlePromiseError } from '$lib/utils';
import { isWebCompatibleImage } from '$lib/utils/asset-utils';
import { getBoundingBox } from '$lib/utils/people-utils';
import { shortcuts } from '$lib/utils/shortcut';
import { type AssetResponseDto, AssetTypeEnum } from '@immich/sdk';
import { useZoomImageWheel } from '@zoom-image/svelte';
import { onDestroy, onMount } from 'svelte';
import { fade } from 'svelte/transition';
import LoadingSpinner from '../shared-components/loading-spinner.svelte';
import { NotificationType, notificationController } from '../shared-components/notification/notification';
import { getAltText } from '$lib/utils/thumbnail-util';
import { SlideshowLook, slideshowLookCssMapping, SlideshowState, slideshowStore } from '$lib/stores/slideshow.store';
const { slideshowState, slideshowLook } = slideshowStore;
export let asset: AssetResponseDto;
export let preloadAssets: AssetResponseDto[] | null = null;
export let element: HTMLDivElement | undefined = undefined;
export let haveFadeTransition = true;
let imgElement: HTMLDivElement;
let assetData: string;
let abortController: AbortController;
let hasZoomed = false;
let copyImageToClipboard: (source: string) => Promise<Blob>;
let canCopyImagesToClipboard: () => boolean;
let imageLoaded: boolean = false;
const loadOriginalByDefault = $alwaysLoadOriginalFile && isWebCompatibleImage(asset);
$: if (imgElement) {
createZoomImageWheel(imgElement, {
maxZoom: 10,
wheelZoomRatio: 0.2,
});
}
onMount(async () => {
// Import hack :( see https://github.com/vadimkorr/svelte-carousel/issues/27#issuecomment-851022295
// TODO: Move to regular import once the package correctly supports ESM.
const module = await import('copy-image-clipboard');
copyImageToClipboard = module.copyImageToClipboard;
canCopyImagesToClipboard = module.canCopyImagesToClipboard;
imageLoaded = false;
await loadAssetData({ loadOriginal: loadOriginalByDefault });
});
onDestroy(() => {
$boundingBoxesArray = [];
abortController?.abort();
});
const loadAssetData = async ({ loadOriginal }: { loadOriginal: boolean }) => {
try {
abortController?.abort();
abortController = new AbortController();
// TODO: Use sdk once it supports signals
const { data } = await downloadRequest({
url: getAssetFileUrl(asset.id, !loadOriginal, false),
signal: abortController.signal,
});
assetData = URL.createObjectURL(data);
imageLoaded = true;
if (!preloadAssets) {
return;
}
for (const preloadAsset of preloadAssets) {
if (preloadAsset.type === AssetTypeEnum.Image) {
await downloadRequest({
url: getAssetFileUrl(preloadAsset.id, !loadOriginal, false),
signal: abortController.signal,
});
}
}
} catch {
imageLoaded = false;
}
};
const doCopy = async () => {
if (!canCopyImagesToClipboard()) {
return;
}
try {
await copyImageToClipboard(assetData);
notificationController.show({
type: NotificationType.Info,
message: 'Copied image to clipboard.',
timeout: 3000,
});
} catch (error) {
console.error('Error [photo-viewer]:', error);
notificationController.show({
type: NotificationType.Error,
message: 'Copying image to clipboard failed.',
});
}
};
const doZoomImage = () => {
setZoomImageWheelState({
currentZoom: $zoomImageWheelState.currentZoom === 1 ? 2 : 1,
});
};
const {
createZoomImage: createZoomImageWheel,
zoomImageState: zoomImageWheelState,
setZoomImageState: setZoomImageWheelState,
} = useZoomImageWheel();
zoomImageWheelState.subscribe((state) => {
photoZoomState.set(state);
if (state.currentZoom > 1 && isWebCompatibleImage(asset) && !hasZoomed && !$alwaysLoadOriginalFile) {
hasZoomed = true;
handlePromiseError(loadAssetData({ loadOriginal: true }));
}
});
const onCopyShortcut = () => {
if (window.getSelection()?.type === 'Range') {
return;
}
handlePromiseError(doCopy());
};
</script>
<svelte:window
on:copyImage={doCopy}
on:zoomImage={doZoomImage}
use:shortcuts={[
{ shortcut: { key: 'c', ctrl: true }, onShortcut: onCopyShortcut },
{ shortcut: { key: 'c', meta: true }, onShortcut: onCopyShortcut },
]}
/>
<div
bind:this={element}
transition:fade={{ duration: haveFadeTransition ? 150 : 0 }}
class="relative h-full select-none"
>
{#if !imageLoaded}
<div class="flex h-full items-center justify-center">
<LoadingSpinner />
</div>
{:else}
<div bind:this={imgElement} class="h-full w-full" transition:fade={{ duration: haveFadeTransition ? 150 : 0 }}>
{#if $slideshowState !== SlideshowState.None && $slideshowLook === SlideshowLook.BlurredBackground}
<img
src={assetData}
alt={getAltText(asset)}
class="absolute top-0 left-0 -z-10 object-cover h-full w-full blur-lg"
draggable="false"
/>
{/if}
<img
bind:this={$photoViewer}
src={assetData}
alt={getAltText(asset)}
class="h-full w-full {$slideshowState === SlideshowState.None
? 'object-contain'
: slideshowLookCssMapping[$slideshowLook]}"
draggable="false"
/>
{#each getBoundingBox($boundingBoxesArray, $photoZoomState, $photoViewer) as boundingbox}
<div
class="absolute border-solid border-white border-[3px] rounded-lg"
style="top: {boundingbox.top}px; left: {boundingbox.left}px; height: {boundingbox.height}px; width: {boundingbox.width}px;"
/>
{/each}
</div>
{/if}
</div>