Merge pull request #185 from toasted-nutbread/recursive-popups

Recursive popups

1 files changed, 134 insertions, 0 deletions

diff --git a/ext/fg/js/popup-proxy-host.js b/ext/fg/js/popup-proxy-host.js
new file mode 100644
index 00000000..fa61aeb4
--- /dev/null
+++ b/ext/fg/js/popup-proxy-host.js
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2019 Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+class PopupProxyHost {
+    constructor() {
+        this.popups = {};
+        this.nextId = 0;
+        this.apiReceiver = null;
+        this.frameIdPromise = null;
+    }
+
+    static create() {
+        const popupProxyHost = new PopupProxyHost();
+        popupProxyHost.prepare();
+        return popupProxyHost;
+    }
+
+    async prepare() {
+        this.frameIdPromise = apiFrameInformationGet();
+        const {frameId} = await this.frameIdPromise;
+        if (typeof frameId !== 'number') { return; }
+
+        this.apiReceiver = new FrontendApiReceiver(`popup-proxy-host#${frameId}`, {
+            createNestedPopup: ({parentId}) => this.createNestedPopup(parentId),
+            show: ({id, elementRect, options}) => this.show(id, elementRect, options),
+            showOrphaned: ({id, elementRect, options}) => this.show(id, elementRect, options),
+            hide: ({id}) => this.hide(id),
+            setVisible: ({id, visible}) => this.setVisible(id, visible),
+            containsPoint: ({id, point}) => this.containsPoint(id, point),
+            termsShow: ({id, elementRect, definitions, options, context}) => this.termsShow(id, elementRect, definitions, options, context),
+            kanjiShow: ({id, elementRect, definitions, options, context}) => this.kanjiShow(id, elementRect, definitions, options, context),
+            clearAutoPlayTimer: ({id}) => this.clearAutoPlayTimer(id)
+        });
+    }
+
+    createPopup(parentId) {
+        const parent = (typeof parentId === 'string' && this.popups.hasOwnProperty(parentId) ? this.popups[parentId] : null);
+        const depth = (parent !== null ? parent.depth + 1 : 0);
+        const id = `${this.nextId}`;
+        ++this.nextId;
+        const popup = new Popup(id, depth, this.frameIdPromise);
+        if (parent !== null) {
+            popup.parent = parent;
+            parent.child = popup;
+        }
+        this.popups[id] = popup;
+        return popup;
+    }
+
+    async createNestedPopup(parentId) {
+        return this.createPopup(parentId).id;
+    }
+
+    getPopup(id) {
+        if (!this.popups.hasOwnProperty(id)) {
+            throw 'Invalid popup ID';
+        }
+
+        return this.popups[id];
+    }
+
+    jsonRectToDOMRect(popup, jsonRect) {
+        let x = jsonRect.x;
+        let y = jsonRect.y;
+        if (popup.parent !== null) {
+            const popupRect = popup.parent.container.getBoundingClientRect();
+            x += popupRect.x;
+            y += popupRect.y;
+        }
+        return new DOMRect(x, y, jsonRect.width, jsonRect.height);
+    }
+
+    async show(id, elementRect, options) {
+        const popup = this.getPopup(id);
+        elementRect = this.jsonRectToDOMRect(popup, elementRect);
+        return await popup.show(elementRect, options);
+    }
+
+    async showOrphaned(id, elementRect, options) {
+        const popup = this.getPopup(id);
+        elementRect = this.jsonRectToDOMRect(popup, elementRect);
+        return await popup.showOrphaned(elementRect, options);
+    }
+
+    async hide(id) {
+        const popup = this.getPopup(id);
+        return popup.hide();
+    }
+
+    async setVisible(id, visible) {
+        const popup = this.getPopup(id);
+        return popup.setVisible(visible);
+    }
+
+    async containsPoint(id, point) {
+        const popup = this.getPopup(id);
+        return await popup.containsPoint(point);
+    }
+
+    async termsShow(id, elementRect, definitions, options, context) {
+        const popup = this.getPopup(id);
+        elementRect = this.jsonRectToDOMRect(popup, elementRect);
+        return await popup.termsShow(elementRect, definitions, options, context);
+    }
+
+    async kanjiShow(id, elementRect, definitions, options, context) {
+        const popup = this.getPopup(id);
+        elementRect = this.jsonRectToDOMRect(popup, elementRect);
+        return await popup.kanjiShow(elementRect, definitions, options, context);
+    }
+
+    async clearAutoPlayTimer(id) {
+        const popup = this.getPopup(id);
+        return popup.clearAutoPlayTimer();
+    }
+}
+
+PopupProxyHost.instance = PopupProxyHost.create();