Save cover thumbnail

johnfactotum · Jul 29, 2023 · 4d97e89 · 4d97e89
1 parent efc2dd4
commit 4d97e89
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Showing 3 changed files with 28 additions and 7 deletions.
diff --git a/data/com.github.johnfactotum.Foliate.gschema.xml b/data/com.github.johnfactotum.Foliate.gschema.xml
@@ -30,6 +30,12 @@
     <key name="view-mode" type="s">
       <default>'grid'</default>
     </key>
+    <key name="show-covers" type="b">
+      <default>true</default>
+    </key>
+    <key name="cover-size" type="i">
+      <default>256</default>
+    </key>
   </schema>
 
   <schema id="com.github.johnfactotum.Foliate.viewer"

diff --git a/src/book-viewer.js b/src/book-viewer.js
@@ -6,6 +6,7 @@ import GObject from 'gi://GObject'
 import WebKit from 'gi://WebKit'
 import Gdk from 'gi://Gdk'
 import Pango from 'gi://Pango'
+import GdkPixbuf from 'gi://GdkPixbuf'
 import { gettext as _ } from 'gettext'
 
 import * as utils from './utils.js'
@@ -179,6 +180,18 @@ class BookData {
     #saveBookmarks() {
         this.storage.set('bookmarks', this.bookmarks.export())
     }
+    saveCover(cover) {
+        const settings = utils.settings('library')
+        if (!(settings?.get_boolean('show-covers') ?? true)) return
+        const path = pkg.cachepath(this.key + '.png')
+        if (Gio.File.new_for_path(path).query_exists(null)) return
+        const width = settings?.get_int('cover-size') ?? 256
+        const ratio = width / cover.get_width()
+        const scaled = ratio >= 1 ? cover
+            : cover.scale_simple(width, Math.round(cover.get_height() * ratio),
+                GdkPixbuf.InterpType.BILINEAR)
+        scaled.savev(path, 'png', [], [])
+    }
 }
 
 class BookDataStore {
@@ -816,11 +829,10 @@ export const BookViewer = GObject.registerClass({
         this._navbar.loadPageList(book.pageList, reader.pageTotal)
         this._navbar.loadLandmarks(book.landmarks)
 
-        this._view.getCover().then(cover => {
-            this.#cover = cover
-            if (cover) this._book_cover.set_from_pixbuf(cover)
-            else this._book_cover.icon_name = 'image-missing-symbolic'
-        })
+        const cover = await this._view.getCover()
+        this.#cover = cover
+        if (cover) this._book_cover.set_from_pixbuf(cover)
+        else this._book_cover.icon_name = 'image-missing-symbolic'
 
         book.metadata.identifier ||= makeIdentifier(this.#file)
         const { identifier } = book.metadata
@@ -842,6 +854,7 @@ export const BookViewer = GObject.registerClass({
             updateBookmarks()
             this.#data.storage.set('metadata', book.metadata)
             getURIStore().set(identifier, this.#file.get_uri())
+            if (cover) this.#data.saveCover(cover)
         }
         else await this._view.next()
     }

diff --git a/src/library.js b/src/library.js
@@ -12,6 +12,8 @@ import * as format from './format.js'
 import { exportAnnotations } from './annotations.js'
 import { formatAuthors, makeBookInfoWindow } from './book-info.js'
 
+const showCovers = utils.settings('library')?.get_boolean('show-covers') ?? true
+
 const listDir = function* (path) {
     const dir = Gio.File.new_for_path(path)
     if (!GLib.file_test(path, GLib.FileTest.IS_DIR)) return null
@@ -288,7 +290,7 @@ GObject.registerClass({
                 'setup': (_, item) => item.child =
                     utils.connect(new BookItem(), this.#itemConnections),
                 'bind': (_, { child, item }) => {
-                    const { cover, data } = this.#getData(item, true)
+                    const { cover, data } = this.#getData(item, showCovers)
                     child.update(item, data, cover)
                     if (cover?.then) cover
                         .then(cover => child.update(item, data, cover))
@@ -308,7 +310,7 @@ GObject.registerClass({
                     'setup': (_, item) => item.child = utils.connect(
                         new BookRow(), this.#itemConnections),
                     'bind': (_, { child, item }) => {
-                        const { data } = this.#getData(item, true)
+                        const { data } = this.#getData(item, false)
                         child.update(item, data)
                     },
                 }),