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-rw-r--r--ext/bg/js/api.js17
-rw-r--r--ext/bg/js/backend.js9
2 files changed, 26 insertions, 0 deletions
diff --git a/ext/bg/js/api.js b/ext/bg/js/api.js
index 96147d95..aba1b722 100644
--- a/ext/bg/js/api.js
+++ b/ext/bg/js/api.js
@@ -100,6 +100,23 @@ async function apiTemplateRender(template, data) {
return handlebarsRender(template, data);
}
+async function apiTemplateRenderDynamic(template, data) {
+ return new Promise((resolve, reject) => {
+ const sequence = utilBackend().sequenceNew();
+ const handler = event => {
+ if (event.data.sequence === sequence) {
+ resolve(event.data.result);
+ window.removeEventListener('message', handler);
+ }
+ };
+
+ window.addEventListener('message', handler);
+
+ const sandbox = utilBackend().sandbox();
+ sandbox.postMessage({template, data, sequence, command: 'render'}, '*');
+ });
+}
+
async function apiCommandExec(command) {
const handlers = {
search: () => {
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 6b3acaa9..9802ea7c 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -22,6 +22,7 @@ class Backend {
this.translator = new Translator();
this.anki = new AnkiNull();
this.options = null;
+ this.sequence = 0;
}
async prepare() {
@@ -36,6 +37,14 @@ class Backend {
}
}
+ sequenceNew() {
+ return this.sequence++;
+ }
+
+ sandbox() {
+ return document.getElementById('sandbox').contentWindow;
+ }
+
onOptionsUpdated(options) {
this.options = utilIsolate(options);