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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2022-10-15 22:43:12 -0400
committerGitHub <noreply@github.com>2022-10-15 22:43:12 -0400
commit9ef7f9d383561831ab1556f2679593235053a08e (patch)
treea32dd0d18e7f156277e3a887adee889b5f744196 /ext/js/comm/clipboard-reader.js
parenta370b46fae865951da09d5b7d5d5b1a70588d19c (diff)
Clipboard updates (#2254)
* Rename * Rename vars * Refactor paste target * Prevent most CSS url() properties from loading * Add helper function to clear rich function * Add useRichText argument * Update condition for using readText * Fix indent * Update CSS
Diffstat (limited to 'ext/js/comm/clipboard-reader.js')
-rw-r--r--ext/js/comm/clipboard-reader.js83
1 files changed, 49 insertions, 34 deletions
diff --git a/ext/js/comm/clipboard-reader.js b/ext/js/comm/clipboard-reader.js
index aaf4dcd8..9e9a6116 100644
--- a/ext/js/comm/clipboard-reader.js
+++ b/ext/js/comm/clipboard-reader.js
@@ -28,15 +28,15 @@ class ClipboardReader {
* @param {object} details Details about how to set up the instance.
* @param {?Document} details.document The Document object to be used, or null for no support.
* @param {?string} details.pasteTargetSelector The selector for the paste target element.
- * @param {?string} details.imagePasteTargetSelector The selector for the image paste target element.
+ * @param {?string} details.richContentPasteTargetSelector The selector for the rich content paste target element.
*/
- constructor({document=null, pasteTargetSelector=null, imagePasteTargetSelector=null}) {
+ constructor({document=null, pasteTargetSelector=null, richContentPasteTargetSelector=null}) {
this._document = document;
this._browser = null;
this._pasteTarget = null;
this._pasteTargetSelector = pasteTargetSelector;
- this._imagePasteTarget = null;
- this._imagePasteTargetSelector = imagePasteTargetSelector;
+ this._richContentPasteTarget = null;
+ this._richContentPasteTargetSelector = richContentPasteTargetSelector;
}
/**
@@ -56,13 +56,14 @@ class ClipboardReader {
/**
* Gets the text in the clipboard.
+ * @param {boolean} useRichText Whether or not to use rich text for pasting, when possible.
* @returns {string} A string containing the clipboard text.
* @throws {Error} Error if not supported.
*/
- async getText() {
+ async getText(useRichText) {
/*
Notes:
- document.execCommand('paste') doesn't work on Firefox.
+ document.execCommand('paste') sometimes doesn't work on Firefox.
See: https://bugzilla.mozilla.org/show_bug.cgi?id=1603985
Therefore, navigator.clipboard.readText() is used on Firefox.
@@ -72,7 +73,7 @@ class ClipboardReader {
being an extension with clipboard permissions. It effectively asks for the
non-extension permission for clipboard access.
*/
- if (this._isFirefox()) {
+ if (this._isFirefox() && !useRichText) {
try {
return await navigator.clipboard.readText();
} catch (e) {
@@ -86,21 +87,22 @@ class ClipboardReader {
throw new Error('Clipboard reading not supported in this context');
}
- let target = this._pasteTarget;
- if (target === null) {
- target = document.querySelector(this._pasteTargetSelector);
- if (target === null) {
- throw new Error('Clipboard paste target does not exist');
- }
- this._pasteTarget = target;
+ if (useRichText) {
+ const target = this._getRichContentPasteTarget();
+ target.focus();
+ document.execCommand('paste');
+ const result = target.textContent;
+ this._clearRichContent(target);
+ return result;
+ } else {
+ const target = this._getPasteTarget();
+ target.value = '';
+ target.focus();
+ document.execCommand('paste');
+ const result = target.value;
+ target.value = '';
+ return (typeof result === 'string' ? result : '');
}
-
- target.value = '';
- target.focus();
- document.execCommand('paste');
- const result = target.value;
- target.value = '';
- return (typeof result === 'string' ? result : '');
}
/**
@@ -143,23 +145,12 @@ class ClipboardReader {
throw new Error('Clipboard reading not supported in this context');
}
- let target = this._imagePasteTarget;
- if (target === null) {
- target = document.querySelector(this._imagePasteTargetSelector);
- if (target === null) {
- throw new Error('Clipboard paste target does not exist');
- }
- this._imagePasteTarget = target;
- }
-
+ const target = this._getRichContentPasteTarget();
target.focus();
document.execCommand('paste');
const image = target.querySelector('img[src^="data:"]');
const result = (image !== null ? image.getAttribute('src') : null);
- for (const image2 of target.querySelectorAll('img')) {
- image2.removeAttribute('src');
- }
- target.textContent = '';
+ this._clearRichContent(target);
return result;
}
@@ -177,4 +168,28 @@ class ClipboardReader {
reader.readAsDataURL(file);
});
}
+
+ _getPasteTarget() {
+ if (this._pasteTarget === null) { this._pasteTarget = this._findPasteTarget(this._pasteTargetSelector); }
+ return this._pasteTarget;
+ }
+
+ _getRichContentPasteTarget() {
+ if (this._richContentPasteTarget === null) { this._richContentPasteTarget = this._findPasteTarget(this._richContentPasteTargetSelector); }
+ return this._richContentPasteTarget;
+ }
+
+ _findPasteTarget(selector) {
+ const target = this._document.querySelector(selector);
+ if (target === null) { throw new Error('Clipboard paste target does not exist'); }
+ return target;
+ }
+
+ _clearRichContent(element) {
+ for (const image of element.querySelectorAll('img')) {
+ image.removeAttribute('src');
+ image.removeAttribute('srcset');
+ }
+ element.textContent = '';
+ }
}