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path: root/ext/bg/js/backend.js
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-rw-r--r--ext/bg/js/backend.js84
1 files changed, 46 insertions, 38 deletions
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 9cfa621a..9f466647 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -77,6 +77,7 @@ class Backend {
this._defaultBrowserActionTitle = null;
this._isPrepared = false;
+ this._prepareError = false;
this._badgePrepareDelayTimer = null;
this._messageHandlers = new Map([
@@ -123,53 +124,56 @@ class Backend {
}
async prepare() {
- this._defaultBrowserActionTitle = await this._getBrowserIconTitle();
- this._badgePrepareDelayTimer = setTimeout(() => {
- this._badgePrepareDelayTimer = null;
+ try {
+ this._defaultBrowserActionTitle = await this._getBrowserIconTitle();
+ this._badgePrepareDelayTimer = setTimeout(() => {
+ this._badgePrepareDelayTimer = null;
+ this._updateBadge();
+ }, 1000);
this._updateBadge();
- }, 1000);
- this._updateBadge();
- await this.database.prepare();
- await this.translator.prepare();
- this.optionsSchema = await requestJson(chrome.runtime.getURL('/bg/data/options-schema.json'), 'GET');
- this.defaultAnkiFieldTemplates = await requestText(chrome.runtime.getURL('/bg/data/default-anki-field-templates.handlebars'), 'GET');
- this.options = await optionsLoad();
- try {
+ await this.database.prepare();
+ await this.translator.prepare();
+
+ this.optionsSchema = await requestJson(chrome.runtime.getURL('/bg/data/options-schema.json'), 'GET');
+ this.defaultAnkiFieldTemplates = await requestText(chrome.runtime.getURL('/bg/data/default-anki-field-templates.handlebars'), 'GET');
+ this.options = await optionsLoad();
this.options = JsonSchema.getValidValueOrDefault(this.optionsSchema, this.options);
- } catch (e) {
- // This shouldn't happen, but catch errors just in case of bugs
- logError(e);
- }
- this.onOptionsUpdated('background');
+ this.onOptionsUpdated('background');
- if (isObject(chrome.commands) && isObject(chrome.commands.onCommand)) {
- chrome.commands.onCommand.addListener(this._runCommand.bind(this));
- }
- if (isObject(chrome.tabs) && isObject(chrome.tabs.onZoomChange)) {
- chrome.tabs.onZoomChange.addListener(this._onZoomChange.bind(this));
- }
- chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
+ if (isObject(chrome.commands) && isObject(chrome.commands.onCommand)) {
+ chrome.commands.onCommand.addListener(this._runCommand.bind(this));
+ }
+ if (isObject(chrome.tabs) && isObject(chrome.tabs.onZoomChange)) {
+ chrome.tabs.onZoomChange.addListener(this._onZoomChange.bind(this));
+ }
+ chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
- const options = this.getOptions(this.optionsContext);
- if (options.general.showGuide) {
- chrome.tabs.create({url: chrome.runtime.getURL('/bg/guide.html')});
- }
+ const options = this.getOptions(this.optionsContext);
+ if (options.general.showGuide) {
+ chrome.tabs.create({url: chrome.runtime.getURL('/bg/guide.html')});
+ }
- this.clipboardMonitor.on('change', this._onClipboardText.bind(this));
+ this.clipboardMonitor.on('change', this._onClipboardText.bind(this));
- this._sendMessageAllTabs('backendPrepared');
- const callback = () => this.checkLastError(chrome.runtime.lastError);
- chrome.runtime.sendMessage({action: 'backendPrepared'}, callback);
+ this._sendMessageAllTabs('backendPrepared');
+ const callback = () => this.checkLastError(chrome.runtime.lastError);
+ chrome.runtime.sendMessage({action: 'backendPrepared'}, callback);
- if (this._badgePrepareDelayTimer !== null) {
- clearTimeout(this._badgePrepareDelayTimer);
- this._badgePrepareDelayTimer = null;
- }
+ this._isPrepared = true;
+ } catch (e) {
+ this._prepareError = true;
+ logError(e);
+ throw e;
+ } finally {
+ if (this._badgePrepareDelayTimer !== null) {
+ clearTimeout(this._badgePrepareDelayTimer);
+ this._badgePrepareDelayTimer = null;
+ }
- this._isPrepared = true;
- this._updateBadge();
+ this._updateBadge();
+ }
}
isPrepared() {
@@ -888,7 +892,11 @@ class Backend {
let status = null;
if (!this._isPrepared) {
- if (this._badgePrepareDelayTimer === null) {
+ if (this._prepareError !== null) {
+ text = '!!';
+ color = '#f04e4e';
+ status = 'Error';
+ } else if (this._badgePrepareDelayTimer === null) {
text = '...';
color = '#f0ad4e';
status = 'Loading';