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-rw-r--r--ext/bg/js/backend.js31
-rw-r--r--ext/mixed/js/api.js4
-rw-r--r--ext/mixed/js/core.js7
3 files changed, 39 insertions, 3 deletions
diff --git a/ext/bg/js/backend.js b/ext/bg/js/backend.js
index 391d6243..4e6c59df 100644
--- a/ext/bg/js/backend.js
+++ b/ext/bg/js/backend.js
@@ -51,9 +51,12 @@ class Backend {
this.onOptionsUpdated('background');
- if (chrome.commands !== null && typeof chrome.commands === 'object') {
+ if (isObject(chrome.commands) && isObject(chrome.commands.onCommand)) {
chrome.commands.onCommand.addListener((command) => this._runCommand(command));
}
+ if (isObject(chrome.tabs) && isObject(chrome.tabs.onZoomChange)) {
+ chrome.tabs.onZoomChange.addListener((info) => this._onZoomChange(info));
+ }
chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
const options = this.getOptionsSync(this.optionsContext);
@@ -94,6 +97,11 @@ class Backend {
}
}
+ _onZoomChange({tabId, oldZoomFactor, newZoomFactor}) {
+ const callback = () => this.checkLastError(chrome.runtime.lastError);
+ chrome.tabs.sendMessage(tabId, {action: 'zoomChanged', params: {oldZoomFactor, newZoomFactor}}, callback);
+ }
+
applyOptions() {
const options = this.getOptionsSync(this.optionsContext);
if (!options.general.enable) {
@@ -527,6 +535,24 @@ class Backend {
return await requestText(url, 'GET');
}
+ _onApiGetZoom(params, sender) {
+ if (!sender || !sender.tab) {
+ return Promise.reject(new Error('Invalid tab'));
+ }
+
+ return new Promise((resolve, reject) => {
+ const tabId = sender.tab.id;
+ chrome.tabs.getZoom(tabId, (zoomFactor) => {
+ const e = chrome.runtime.lastError;
+ if (e) {
+ reject(new Error(e.message));
+ } else {
+ resolve({zoomFactor});
+ }
+ });
+ });
+ }
+
// Command handlers
async _onCommandSearch(params) {
@@ -741,7 +767,8 @@ Backend._messageHandlers = new Map([
['injectStylesheet', (self, ...args) => self._onApiInjectStylesheet(...args)],
['getEnvironmentInfo', (self, ...args) => self._onApiGetEnvironmentInfo(...args)],
['clipboardGet', (self, ...args) => self._onApiClipboardGet(...args)],
- ['getDisplayTemplatesHtml', (self, ...args) => self._onApiGetDisplayTemplatesHtml(...args)]
+ ['getDisplayTemplatesHtml', (self, ...args) => self._onApiGetDisplayTemplatesHtml(...args)],
+ ['getZoom', (self, ...args) => self._onApiGetZoom(...args)]
]);
Backend._commandHandlers = new Map([
diff --git a/ext/mixed/js/api.js b/ext/mixed/js/api.js
index 9f0835b0..5ec93b01 100644
--- a/ext/mixed/js/api.js
+++ b/ext/mixed/js/api.js
@@ -105,6 +105,10 @@ function apiGetDisplayTemplatesHtml() {
return _apiInvoke('getDisplayTemplatesHtml');
}
+function apiGetZoom() {
+ return _apiInvoke('getZoom');
+}
+
function _apiInvoke(action, params={}) {
const data = {action, params};
return new Promise((resolve, reject) => {
diff --git a/ext/mixed/js/core.js b/ext/mixed/js/core.js
index 7fc01c94..0142d594 100644
--- a/ext/mixed/js/core.js
+++ b/ext/mixed/js/core.js
@@ -244,7 +244,8 @@ const yomichan = (() => {
this._messageHandlers = new Map([
['getUrl', this._onMessageGetUrl.bind(this)],
- ['optionsUpdate', this._onMessageOptionsUpdate.bind(this)]
+ ['optionsUpdate', this._onMessageOptionsUpdate.bind(this)],
+ ['zoomChanged', this._onMessageZoomChanged.bind(this)]
]);
chrome.runtime.onMessage.addListener(this._onMessage.bind(this));
@@ -274,6 +275,10 @@ const yomichan = (() => {
_onMessageOptionsUpdate({source}) {
this.trigger('optionsUpdate', {source});
}
+
+ _onMessageZoomChanged({oldZoomFactor, newZoomFactor}) {
+ this.trigger('zoomChanged', {oldZoomFactor, newZoomFactor});
+ }
}
return new Yomichan();