From 485bfcc197ad1fe53f2a56ba0ad300324829a2a5 Mon Sep 17 00:00:00 2001
From: pa <maplenagisa@gmail.com>
Date: Tue, 23 Sep 2025 06:55:18 +0900
Subject: [PATCH] refactor: replace FullscreenImageDialog with
 FullscreenImagePreview component

---
 src/App.vue                                   |   4 +-
 src/components/FullscreenImagePreview.vue     | 196 ++++++++++++++++++
 .../dialogs/FullscreenImageDialog.vue         | 125 -----------
 3 files changed, 198 insertions(+), 127 deletions(-)
 create mode 100644 src/components/FullscreenImagePreview.vue
 delete mode 100644 src/components/dialogs/FullscreenImageDialog.vue

diff --git a/src/App.vue b/src/App.vue
index 038df314..736ec1fe 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -60,7 +60,7 @@
 
                 <GroupMemberModerationDialog></GroupMemberModerationDialog>
 
-                <FullscreenImageDialog></FullscreenImageDialog>
+                <FullscreenImagePreview></FullscreenImagePreview>
 
                 <PreviousInstancesInfoDialog></PreviousInstancesInfoDialog>
 
@@ -126,7 +126,7 @@
     import AvatarDialog from './components/dialogs/AvatarDialog/AvatarDialog.vue';
     import GroupDialog from './components/dialogs/GroupDialog/GroupDialog.vue';
     import GroupMemberModerationDialog from './components/dialogs/GroupDialog/GroupMemberModerationDialog.vue';
-    import FullscreenImageDialog from './components/dialogs/FullscreenImageDialog.vue';
+    import FullscreenImagePreview from './components/FullscreenImagePreview.vue';
     import PreviousInstancesInfoDialog from './components/dialogs/PreviousInstancesDialog/PreviousInstancesInfoDialog.vue';
     import LaunchDialog from './components/dialogs/LaunchDialog.vue';
     import LaunchOptionsDialog from './views/Settings/dialogs/LaunchOptionsDialog.vue';
diff --git a/src/components/FullscreenImagePreview.vue b/src/components/FullscreenImagePreview.vue
new file mode 100644
index 00000000..3d948f97
--- /dev/null
+++ b/src/components/FullscreenImagePreview.vue
@@ -0,0 +1,196 @@
+<template>
+    <div
+        v-if="fullscreenImageDialog.visible"
+        class="fullscreen-image-overlay"
+        :style="{ zIndex: overlayZIndex }"
+        @click.self="closeDialog">
+        <el-image
+            v-if="fullscreenImageDialog.imageUrl"
+            ref="imageRef"
+            class="fullscreen-image"
+            :src="fullscreenImageDialog.imageUrl"
+            :preview-src-list="[fullscreenImageDialog.imageUrl]"
+            :z-index="100000"
+            fit="contain"
+            preview-teleported
+            hide-on-click-modal
+            :initial-index="0"
+            @load="handleImageLoad"
+            @close="closeDialog">
+            <template #toolbar="{ actions }">
+                <el-icon @click="copyImageToClipboard(fullscreenImageDialog.imageUrl)" class="toolbar-icon">
+                    <CopyDocument />
+                </el-icon>
+                <el-icon
+                    @click="downloadAndSaveImage(fullscreenImageDialog.imageUrl, fullscreenImageDialog.fileName)"
+                    class="toolbar-icon">
+                    <Download />
+                </el-icon>
+                <el-icon @click="actions('zoomOut')" class="toolbar-icon"><ZoomOut /></el-icon>
+                <el-icon @click="actions('zoomIn')" class="toolbar-icon"><ZoomIn /></el-icon>
+                <el-icon @click="actions('clockwise')" class="toolbar-icon"><RefreshRight /></el-icon>
+                <el-icon @click="actions('anticlockwise')" class="toolbar-icon"><RefreshLeft /></el-icon>
+            </template>
+        </el-image>
+    </div>
+</template>
+
+<script setup>
+    import { ElMessage } from 'element-plus';
+    import { Download, CopyDocument, ZoomIn, ZoomOut, RefreshRight, RefreshLeft } from '@element-plus/icons-vue';
+
+    import Noty from 'noty';
+    import { storeToRefs } from 'pinia';
+    import { escapeTag, extractFileId } from '../shared/utils';
+    import { useGalleryStore } from '../stores';
+
+    import { ref, nextTick, watch } from 'vue';
+
+    import { getNextDialogIndex } from '../shared/utils/base/ui';
+
+    const galleryStore = useGalleryStore();
+    const { fullscreenImageDialog } = storeToRefs(galleryStore);
+
+    const imageRef = ref();
+    const overlayZIndex = ref(4000);
+
+    function showPreview() {
+        nextTick(() => {
+            imageRef.value?.showPreview?.();
+        });
+    }
+
+    function handleImageLoad() {
+        showPreview();
+    }
+
+    watch(
+        () => fullscreenImageDialog.value.visible,
+        (visible) => {
+            if (!visible) {
+                return;
+            }
+            overlayZIndex.value = Math.max(getNextDialogIndex(), 4000);
+            showPreview();
+        }
+    );
+
+    watch(
+        () => fullscreenImageDialog.value.imageUrl,
+        (url) => {
+            if (!url || !fullscreenImageDialog.value.visible) {
+                return;
+            }
+            showPreview();
+        }
+    );
+
+    function closeDialog() {
+        fullscreenImageDialog.value.visible = false;
+    }
+
+    async function copyImageToClipboard(url) {
+        if (!url) {
+            return;
+        }
+        const msg = ElMessage({
+            message: 'Downloading image...',
+            type: 'info'
+        });
+        try {
+            const response = await webApiService.execute({
+                url,
+                method: 'GET'
+            });
+            if (response.status !== 200 || !response.data.startsWith('data:image/png')) {
+                throw new Error(`Error: ${response.data}`);
+            }
+            await navigator.clipboard.write([
+                new ClipboardItem({
+                    'image/png': await (await fetch(response.data)).blob()
+                })
+            ]);
+            ElMessage({
+                message: 'Image copied to clipboard',
+                type: 'success'
+            });
+        } catch (error) {
+            console.error('Error downloading image:', error);
+            new Noty({
+                type: 'error',
+                text: escapeTag(`Failed to download image. ${url}`)
+            }).show();
+        } finally {
+            msg.close();
+        }
+    }
+
+    async function downloadAndSaveImage(url, fileName) {
+        if (!url) {
+            return;
+        }
+        const msg = ElMessage({
+            message: 'Downloading image...',
+            type: 'info'
+        });
+        try {
+            const response = await webApiService.execute({
+                url,
+                method: 'GET'
+            });
+            if (response.status !== 200 || !response.data.startsWith('data:image/png')) {
+                throw new Error(`Error: ${response.data}`);
+            }
+            const link = document.createElement('a');
+            link.href = response.data;
+            const fileId = extractFileId(url);
+            if (!fileName && fileId) {
+                fileName = `${fileId}.png`;
+            }
+            if (!fileName) {
+                fileName = `${url.split('/').pop()}.png`;
+            }
+            if (!fileName) {
+                fileName = 'image.png';
+            }
+            link.setAttribute('download', fileName);
+            document.body.appendChild(link);
+            link.click();
+            document.body.removeChild(link);
+        } catch (error) {
+            console.error('Error downloading image:', error);
+            new Noty({
+                type: 'error',
+                text: escapeTag(`Failed to download image. ${url}`)
+            }).show();
+        } finally {
+            msg.close();
+        }
+    }
+</script>
+
+<style scoped lang="scss">
+    .toolbar-icon:hover {
+        opacity: 1;
+    }
+    .toolbar-icon {
+        cursor: pointer;
+        opacity: 0.8;
+    }
+    .fullscreen-image-overlay {
+        position: fixed;
+        inset: 0;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        padding: 40px;
+        box-sizing: border-box;
+    }
+    .fullscreen-image {
+        max-width: 100%;
+        max-height: 100%;
+    }
+    :deep(.el-image__preview) {
+        display: none;
+    }
+</style>
diff --git a/src/components/dialogs/FullscreenImageDialog.vue b/src/components/dialogs/FullscreenImageDialog.vue
deleted file mode 100644
index 96f051f4..00000000
--- a/src/components/dialogs/FullscreenImageDialog.vue
+++ /dev/null
@@ -1,125 +0,0 @@
-<template>
-    <el-dialog class="x-dialog" v-model="fullscreenImageDialog.visible" append-to-body width="97vw">
-        <div>
-            <div style="margin: 0 0 5px 5px">
-                <el-tooltip :content="t('dialog.fullscreen_image.copy_image_to_clipboard')" placement="top">
-                    <el-button
-                        size="small"
-                        :icon="CopyDocument"
-                        circle
-                        @click="copyImageToClipboard(fullscreenImageDialog.imageUrl)"></el-button>
-                </el-tooltip>
-                <el-tooltip :content="t('dialog.fullscreen_image.download_and_save_image')" placement="top">
-                    <el-button
-                        type="default"
-                        size="small"
-                        :icon="Download"
-                        circle
-                        style="margin-left: 5px"
-                        :disabled="!fullscreenImageDialog.imageUrl.startsWith('http')"
-                        @click="
-                            downloadAndSaveImage(fullscreenImageDialog.imageUrl, fullscreenImageDialog.fileName)
-                        "></el-button>
-                </el-tooltip>
-            </div>
-            <img
-                :src="fullscreenImageDialog.imageUrl"
-                style="width: 100%; height: 85vh; object-fit: contain"
-                loading="lazy" />
-        </div>
-    </el-dialog>
-</template>
-
-<script setup>
-    import { ElMessage } from 'element-plus';
-    import { Download, CopyDocument } from '@element-plus/icons-vue';
-
-    import Noty from 'noty';
-    import { storeToRefs } from 'pinia';
-    import { useI18n } from 'vue-i18n';
-    import { escapeTag, extractFileId } from '../../shared/utils';
-    import { useGalleryStore } from '../../stores';
-
-    const { t } = useI18n();
-
-    const { fullscreenImageDialog } = storeToRefs(useGalleryStore());
-
-    async function copyImageToClipboard(url) {
-        if (!url) {
-            return;
-        }
-        const msg = ElMessage({
-            message: 'Downloading image...',
-            type: 'info'
-        });
-        try {
-            const response = await webApiService.execute({
-                url,
-                method: 'GET'
-            });
-            if (response.status !== 200 || !response.data.startsWith('data:image/png')) {
-                throw new Error(`Error: ${response.data}`);
-            }
-            await navigator.clipboard.write([
-                new ClipboardItem({
-                    'image/png': await (await fetch(response.data)).blob()
-                })
-            ]);
-            ElMessage({
-                message: 'Image copied to clipboard',
-                type: 'success'
-            });
-        } catch (error) {
-            console.error('Error downloading image:', error);
-            new Noty({
-                type: 'error',
-                text: escapeTag(`Failed to download image. ${url}`)
-            }).show();
-        } finally {
-            msg.close();
-        }
-    }
-
-    async function downloadAndSaveImage(url, fileName) {
-        if (!url) {
-            return;
-        }
-        const msg = ElMessage({
-            message: 'Downloading image...',
-            type: 'info'
-        });
-        try {
-            const response = await webApiService.execute({
-                url,
-                method: 'GET'
-            });
-            if (response.status !== 200 || !response.data.startsWith('data:image/png')) {
-                throw new Error(`Error: ${response.data}`);
-            }
-            const link = document.createElement('a');
-            link.href = response.data;
-            const fileId = extractFileId(url);
-            if (!fileName && fileId) {
-                fileName = `${fileId}.png`;
-            }
-            if (!fileName) {
-                fileName = `${url.split('/').pop()}.png`;
-            }
-            if (!fileName) {
-                fileName = 'image.png';
-            }
-            link.setAttribute('download', fileName);
-            document.body.appendChild(link);
-            link.click();
-            document.body.removeChild(link);
-        } catch (error) {
-            console.error('Error downloading image:', error);
-            new Noty({
-                type: 'error',
-                text: escapeTag(`Failed to download image. ${url}`)
-            }).show();
-        } finally {
-            msg.close();
-        }
-    }
-</script>