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-rw-r--r--ext/fg/js/frontend-api-sender.js14
-rw-r--r--ext/fg/js/popup-proxy-host.js6
-rw-r--r--ext/fg/js/popup.js7
3 files changed, 22 insertions, 5 deletions
diff --git a/ext/fg/js/frontend-api-sender.js b/ext/fg/js/frontend-api-sender.js
index a1cb02c4..2e037e62 100644
--- a/ext/fg/js/frontend-api-sender.js
+++ b/ext/fg/js/frontend-api-sender.js
@@ -26,9 +26,7 @@ class FrontendApiSender {
this.disconnected = false;
this.nextId = 0;
- this.port = chrome.runtime.connect(null, {name: 'backend-api-forwarder'});
- this.port.onDisconnect.addListener(this.onDisconnect.bind(this));
- this.port.onMessage.addListener(this.onMessage.bind(this));
+ this.port = null;
}
invoke(action, params, target) {
@@ -36,6 +34,10 @@ class FrontendApiSender {
return Promise.reject('Disconnected');
}
+ if (this.port === null) {
+ this.createPort();
+ }
+
const id = `${this.nextId}`;
++this.nextId;
@@ -48,6 +50,12 @@ class FrontendApiSender {
});
}
+ createPort() {
+ this.port = chrome.runtime.connect(null, {name: 'backend-api-forwarder'});
+ this.port.onDisconnect.addListener(this.onDisconnect.bind(this));
+ this.port.onMessage.addListener(this.onMessage.bind(this));
+ }
+
onMessage({type, id, data, senderId}) {
if (senderId !== this.senderId) { return; }
switch (type) {
diff --git a/ext/fg/js/popup-proxy-host.js b/ext/fg/js/popup-proxy-host.js
index 041900ed..1f14a06f 100644
--- a/ext/fg/js/popup-proxy-host.js
+++ b/ext/fg/js/popup-proxy-host.js
@@ -116,12 +116,14 @@ class PopupProxyHost {
async termsShow(id, elementRect, writingMode, definitions, options, context) {
const popup = this.getPopup(id);
elementRect = this.jsonRectToDOMRect(popup, elementRect);
+ if (!PopupProxyHost.popupCanShow(popup)) { return false; }
return await popup.termsShow(elementRect, writingMode, definitions, options, context);
}
async kanjiShow(id, elementRect, writingMode, definitions, options, context) {
const popup = this.getPopup(id);
elementRect = this.jsonRectToDOMRect(popup, elementRect);
+ if (!PopupProxyHost.popupCanShow(popup)) { return false; }
return await popup.kanjiShow(elementRect, writingMode, definitions, options, context);
}
@@ -129,6 +131,10 @@ class PopupProxyHost {
const popup = this.getPopup(id);
return popup.clearAutoPlayTimer();
}
+
+ static popupCanShow(popup) {
+ return popup.parent === null || popup.parent.isVisible();
+ }
}
PopupProxyHost.instance = PopupProxyHost.create();
diff --git a/ext/fg/js/popup.js b/ext/fg/js/popup.js
index 1b15977b..08c4bfcb 100644
--- a/ext/fg/js/popup.js
+++ b/ext/fg/js/popup.js
@@ -239,9 +239,12 @@ class Popup {
}
focusParent() {
- if (this.parent && this.parent.container) {
+ if (this.parent !== null) {
// Chrome doesn't like focusing iframe without contentWindow.
- this.parent.container.contentWindow.focus();
+ const contentWindow = this.parent.container.contentWindow;
+ if (contentWindow !== null) {
+ contentWindow.focus();
+ }
} else {
// Firefox doesn't like focusing window without first blurring the iframe.
// this.container.contentWindow.blur() doesn't work on Firefox for some reason.