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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2019-10-03 20:22:12 -0400
committertoasted-nutbread <toasted-nutbread@users.noreply.github.com>2019-10-05 13:57:33 -0400
commitc967b7a9f13ab7c3e0fe47e83fe5f05debf3aa73 (patch)
tree20494b5f1e6935ac0bb2305198f7c165922e637f /ext
parentbac237336e4578e339069a8d9d8f83703a3cee5d (diff)
Remove event listeners when scanning is disabled
Diffstat (limited to 'ext')
-rw-r--r--ext/fg/js/frontend.js73
1 files changed, 51 insertions, 22 deletions
diff --git a/ext/fg/js/frontend.js b/ext/fg/js/frontend.js
index 58dc0e4a..78f94cd9 100644
--- a/ext/fg/js/frontend.js
+++ b/ext/fg/js/frontend.js
@@ -38,6 +38,9 @@ class Frontend {
this.mouseDownPrevent = false;
this.clickPrevent = false;
this.scrollPrevent = false;
+
+ this.enabled = false;
+ this.eventListeners = [];
}
static create() {
@@ -53,23 +56,7 @@ class Frontend {
async prepare() {
try {
- this.options = await apiOptionsGet(this.getOptionsContext());
-
- window.addEventListener('message', this.onWindowMessage.bind(this));
- window.addEventListener('mousedown', this.onMouseDown.bind(this));
- window.addEventListener('mousemove', this.onMouseMove.bind(this));
- window.addEventListener('mouseover', this.onMouseOver.bind(this));
- window.addEventListener('mouseout', this.onMouseOut.bind(this));
- window.addEventListener('resize', this.onResize.bind(this));
-
- if (this.options.scanning.touchInputEnabled) {
- window.addEventListener('click', this.onClick.bind(this));
- window.addEventListener('touchstart', this.onTouchStart.bind(this));
- window.addEventListener('touchend', this.onTouchEnd.bind(this));
- window.addEventListener('touchcancel', this.onTouchCancel.bind(this));
- window.addEventListener('touchmove', this.onTouchMove.bind(this), {passive: false});
- window.addEventListener('contextmenu', this.onContextMenu.bind(this));
- }
+ await this.updateOptions();
chrome.runtime.onMessage.addListener(this.onRuntimeMessage.bind(this));
} catch (e) {
@@ -88,7 +75,6 @@ class Frontend {
if (
this.pendingLookup ||
- !this.options.general.enable ||
(e.buttons & 0x1) !== 0x0 // Left mouse button
) {
return;
@@ -245,13 +231,56 @@ class Frontend {
console.log(error);
}
- async updateOptions() {
- this.options = await apiOptionsGet(this.getOptionsContext());
- if (!this.options.enable) {
+ setEnabled(enabled) {
+ if (enabled) {
+ if (!this.enabled) {
+ this.hookEvents();
+ this.enabled = true;
+ }
+ } else {
+ if (this.enabled) {
+ this.clearEventListeners();
+ this.enabled = false;
+ }
this.searchClear(false);
}
}
+ hookEvents() {
+ this.addEventListener(window, 'message', this.onWindowMessage.bind(this));
+ this.addEventListener(window, 'mousedown', this.onMouseDown.bind(this));
+ this.addEventListener(window, 'mousemove', this.onMouseMove.bind(this));
+ this.addEventListener(window, 'mouseover', this.onMouseOver.bind(this));
+ this.addEventListener(window, 'mouseout', this.onMouseOut.bind(this));
+ this.addEventListener(window, 'resize', this.onResize.bind(this));
+
+ if (this.options.scanning.touchInputEnabled) {
+ this.addEventListener(window, 'click', this.onClick.bind(this));
+ this.addEventListener(window, 'touchstart', this.onTouchStart.bind(this));
+ this.addEventListener(window, 'touchend', this.onTouchEnd.bind(this));
+ this.addEventListener(window, 'touchcancel', this.onTouchCancel.bind(this));
+ this.addEventListener(window, 'touchmove', this.onTouchMove.bind(this), {passive: false});
+ this.addEventListener(window, 'contextmenu', this.onContextMenu.bind(this));
+ }
+ }
+
+ addEventListener(node, type, listener, options) {
+ node.addEventListener(type, listener, options);
+ this.eventListeners.push([node, type, listener, options]);
+ }
+
+ clearEventListeners() {
+ for (const [node, type, listener, options] of this.eventListeners) {
+ node.removeEventListener(type, listener, options);
+ }
+ this.eventListeners = [];
+ }
+
+ async updateOptions() {
+ this.options = await apiOptionsGet(this.getOptionsContext());
+ this.setEnabled(this.options.general.enable);
+ }
+
popupTimerSet(callback) {
const delay = this.options.scanning.delay;
if (delay > 0) {
@@ -452,7 +481,7 @@ class Frontend {
searchFromTouch(x, y, cause) {
this.popupTimerClear();
- if (!this.options.general.enable || this.pendingLookup) {
+ if (this.pendingLookup) {
return;
}