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authorsiikamiika <siikamiika@users.noreply.github.com>2019-12-06 21:39:29 +0200
committersiikamiika <siikamiika@users.noreply.github.com>2019-12-06 21:39:29 +0200
commitf6d0503604e66ef89578332f6adb477606dc81f9 (patch)
tree8a4dfac21c1b8d194c0c20ba874c01aa978f3347 /ext/mixed/js
parent595636c40bdc344ee34fee55c951e62ba0a24505 (diff)
simplify with inheritance
Diffstat (limited to 'ext/mixed/js')
-rw-r--r--ext/mixed/js/text-scanner.js100
1 files changed, 46 insertions, 54 deletions
diff --git a/ext/mixed/js/text-scanner.js b/ext/mixed/js/text-scanner.js
index 0adcc0bd..ac5d68d1 100644
--- a/ext/mixed/js/text-scanner.js
+++ b/ext/mixed/js/text-scanner.js
@@ -31,10 +31,6 @@ class TextScanner {
this.enabled = false;
this.eventListeners = [];
- this.subscribers = {
- searchClear: [],
- textSearch: []
- };
this.primaryTouchIdentifier = null;
this.preventNextContextMenu = false;
@@ -90,7 +86,7 @@ class TextScanner {
if (DOM.isMouseButtonDown(e, 'primary')) {
this.scanTimerClear();
- this.onSearchClear();
+ this.onSearchClear(true);
}
}
@@ -196,41 +192,14 @@ class TextScanner {
e.preventDefault(); // Disable scroll
}
- async onSearchClear() {
- this.searchClear();
- await this.publish('searchClear', {});
- }
-
- async onTextSearch(textSource, cause) {
- this.pendingLookup = true;
- const results = await this.publish('textSearch', {textSource, cause});
- if (results.some((r) => r)) {
- this.textSourceCurrent = textSource;
- if (this.options.scanning.selectText) {
- textSource.select();
- }
- }
- this.pendingLookup = false;
+ async onSearchSource(_textSource, _cause) {
+ throw new Error('Override me');
}
onError(error) {
logError(error, false);
}
- subscribe(eventName, subscriber) {
- if (this.subscribers[eventName].includes(subscriber)) { return; }
- this.subscribers[eventName].push(subscriber);
- }
-
- async publish(eventName, data) {
- const results = [];
- for (const subscriber of this.subscribers[eventName]) {
- const result = await subscriber(data);
- results.push(result);
- }
- return results;
- }
-
async scanTimerWait() {
const delay = this.options.scanning.delay;
const promise = promiseTimeout(delay, true);
@@ -262,35 +231,50 @@ class TextScanner {
this.clearEventListeners();
this.enabled = false;
}
- this.onSearchClear();
+ this.onSearchClear(false);
}
}
hookEvents() {
- this.addEventListener('mousedown', this.onMouseDown.bind(this));
- this.addEventListener('mousemove', this.onMouseMove.bind(this));
- this.addEventListener('mouseover', this.onMouseOver.bind(this));
- this.addEventListener('mouseout', this.onMouseOut.bind(this));
-
+ let eventListeners = this.getMouseEventListeners();
if (this.options.scanning.touchInputEnabled) {
- this.addEventListener('click', this.onClick.bind(this));
- this.addEventListener('auxclick', this.onAuxClick.bind(this));
- this.addEventListener('touchstart', this.onTouchStart.bind(this));
- this.addEventListener('touchend', this.onTouchEnd.bind(this));
- this.addEventListener('touchcancel', this.onTouchCancel.bind(this));
- this.addEventListener('touchmove', this.onTouchMove.bind(this), {passive: false});
- this.addEventListener('contextmenu', this.onContextMenu.bind(this));
+ eventListeners = eventListeners.concat(this.getTouchEventListeners());
+ }
+
+ for (const [node, type, listener, options] of eventListeners) {
+ this.addEventListener(node, type, listener, options);
}
}
- addEventListener(type, listener, options) {
- this.node.addEventListener(type, listener, options);
- this.eventListeners.push([type, listener, options]);
+ getMouseEventListeners() {
+ return [
+ [this.node, 'mousedown', this.onMouseDown.bind(this)],
+ [this.node, 'mousemove', this.onMouseMove.bind(this)],
+ [this.node, 'mouseover', this.onMouseOver.bind(this)],
+ [this.node, 'mouseout', this.onMouseOut.bind(this)]
+ ];
+ }
+
+ getTouchEventListeners() {
+ return [
+ [this.node, 'click', this.onClick.bind(this)],
+ [this.node, 'auxclick', this.onAuxClick.bind(this)],
+ [this.node, 'touchstart', this.onTouchStart.bind(this)],
+ [this.node, 'touchend', this.onTouchEnd.bind(this)],
+ [this.node, 'touchcancel', this.onTouchCancel.bind(this)],
+ [this.node, 'touchmove', this.onTouchMove.bind(this), {passive: false}],
+ [this.node, '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 [type, listener, options] of this.eventListeners) {
- this.node.removeEventListener(type, listener, options);
+ for (const [node, type, listener, options] of this.eventListeners) {
+ node.removeEventListener(type, listener, options);
}
this.eventListeners = [];
}
@@ -319,7 +303,15 @@ class TextScanner {
}
try {
- await this.onTextSearch(textSource, cause);
+ this.pendingLookup = true;
+ const result = await this.onSearchSource(textSource, cause);
+ if (result !== null) {
+ this.textSourceCurrent = textSource;
+ if (this.options.scanning.selectText) {
+ textSource.select();
+ }
+ }
+ this.pendingLookup = false;
} finally {
if (textSource !== null) {
textSource.cleanup();
@@ -347,7 +339,7 @@ class TextScanner {
}
}
- searchClear() {
+ onSearchClear(_) {
if (this.textSourceCurrent !== null) {
if (this.options.scanning.selectText) {
this.textSourceCurrent.deselect();