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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /toolkit/actors/ViewSourcePageParent.sys.mjs
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/actors/ViewSourcePageParent.sys.mjs')
-rw-r--r--toolkit/actors/ViewSourcePageParent.sys.mjs165
1 files changed, 165 insertions, 0 deletions
diff --git a/toolkit/actors/ViewSourcePageParent.sys.mjs b/toolkit/actors/ViewSourcePageParent.sys.mjs
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+// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const BUNDLE_URL = "chrome://global/locale/viewSource.properties";
+
+/**
+ * ViewSourcePageParent manages the view source <browser> from the chrome side.
+ */
+export class ViewSourcePageParent extends JSWindowActorParent {
+ constructor() {
+ super();
+
+ /**
+ * Holds the value of the last line found via the "Go to line"
+ * command, to pre-populate the prompt the next time it is
+ * opened.
+ */
+ this.lastLineFound = null;
+ }
+
+ /**
+ * Anything added to the messages array will get handled here, and should
+ * get dispatched to a specific function for the message name.
+ */
+ receiveMessage(message) {
+ let data = message.data;
+
+ switch (message.name) {
+ case "ViewSource:PromptAndGoToLine":
+ this.promptAndGoToLine();
+ break;
+ case "ViewSource:GoToLine:Success":
+ this.onGoToLineSuccess(data.lineNumber);
+ break;
+ case "ViewSource:GoToLine:Failed":
+ this.onGoToLineFailed();
+ break;
+ case "ViewSource:StoreWrapping":
+ this.storeWrapping(data.state);
+ break;
+ case "ViewSource:StoreSyntaxHighlighting":
+ this.storeSyntaxHighlighting(data.state);
+ break;
+ }
+ }
+
+ /**
+ * A getter for the view source string bundle.
+ */
+ get bundle() {
+ if (this._bundle) {
+ return this._bundle;
+ }
+ return (this._bundle = Services.strings.createBundle(BUNDLE_URL));
+ }
+
+ /**
+ * Opens the "Go to line" prompt for a user to hop to a particular line
+ * of the source code they're viewing. This will keep prompting until the
+ * user either cancels out of the prompt, or enters a valid line number.
+ */
+ promptAndGoToLine() {
+ let input = { value: this.lastLineFound };
+ let window = Services.wm.getMostRecentWindow(null);
+
+ let ok = Services.prompt.prompt(
+ window,
+ this.bundle.GetStringFromName("goToLineTitle"),
+ this.bundle.GetStringFromName("goToLineText"),
+ input,
+ null,
+ { value: 0 }
+ );
+
+ if (!ok) {
+ return;
+ }
+
+ let line = parseInt(input.value, 10);
+
+ if (!(line > 0)) {
+ Services.prompt.alert(
+ window,
+ this.bundle.GetStringFromName("invalidInputTitle"),
+ this.bundle.GetStringFromName("invalidInputText")
+ );
+ this.promptAndGoToLine();
+ } else {
+ this.goToLine(line);
+ }
+ }
+
+ /**
+ * Go to a particular line of the source code. This act is asynchronous.
+ *
+ * @param lineNumber
+ * The line number to try to go to to.
+ */
+ goToLine(lineNumber) {
+ this.sendAsyncMessage("ViewSource:GoToLine", { lineNumber });
+ }
+
+ /**
+ * Called when the frame script reports that a line was successfully gotten
+ * to.
+ *
+ * @param lineNumber
+ * The line number that we successfully got to.
+ */
+ onGoToLineSuccess(lineNumber) {
+ // We'll pre-populate the "Go to line" prompt with this value the next
+ // time it comes up.
+ this.lastLineFound = lineNumber;
+ }
+
+ /**
+ * Called when the child reports that we failed to go to a particular
+ * line. This informs the user that their selection was likely out of range,
+ * and then reprompts the user to try again.
+ */
+ onGoToLineFailed() {
+ let window = Services.wm.getMostRecentWindow(null);
+ Services.prompt.alert(
+ window,
+ this.bundle.GetStringFromName("outOfRangeTitle"),
+ this.bundle.GetStringFromName("outOfRangeText")
+ );
+ this.promptAndGoToLine();
+ }
+
+ /**
+ * @return {boolean} the wrapping state
+ */
+ queryIsWrapping() {
+ return this.sendQuery("ViewSource:IsWrapping");
+ }
+
+ /**
+ * @return {boolean} the syntax highlighting state
+ */
+ queryIsSyntaxHighlighting() {
+ return this.sendQuery("ViewSource:IsSyntaxHighlighting");
+ }
+
+ /**
+ * Update the wrapping pref based on the child's current state.
+ * @param state
+ * Whether wrapping is currently enabled in the child.
+ */
+ storeWrapping(state) {
+ Services.prefs.setBoolPref("view_source.wrap_long_lines", state);
+ }
+
+ /**
+ * Update the syntax highlighting pref based on the child's current state.
+ * @param state
+ * Whether syntax highlighting is currently enabled in the child.
+ */
+ storeSyntaxHighlighting(state) {
+ Services.prefs.setBoolPref("view_source.syntax_highlight", state);
+ }
+}