Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 181 insertions, 0 deletions

diff --git a/browser/actors/AboutPrivateBrowsingParent.sys.mjs b/browser/actors/AboutPrivateBrowsingParent.sys.mjs
new file mode 100644
index 0000000000..9e8b1cb1f8
--- /dev/null
+++ b/browser/actors/AboutPrivateBrowsingParent.sys.mjs
@@ -0,0 +1,181 @@
+/* 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 { ASRouter } = ChromeUtils.import(
+  "resource://activity-stream/lib/ASRouter.jsm"
+);
+import { BrowserUtils } from "resource://gre/modules/BrowserUtils.sys.mjs";
+import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
+
+const SHOWN_PREF = "browser.search.separatePrivateDefault.ui.banner.shown";
+const lazy = {};
+XPCOMUtils.defineLazyPreferenceGetter(
+  lazy,
+  "MAX_SEARCH_BANNER_SHOW_COUNT",
+  "browser.search.separatePrivateDefault.ui.banner.max",
+  0
+);
+
+XPCOMUtils.defineLazyPreferenceGetter(
+  lazy,
+  "isPrivateSearchUIEnabled",
+  "browser.search.separatePrivateDefault.ui.enabled",
+  false
+);
+
+ChromeUtils.defineESModuleGetters(lazy, {
+  SpecialMessageActions:
+    "resource://messaging-system/lib/SpecialMessageActions.sys.mjs",
+  UrlbarPrefs: "resource:///modules/UrlbarPrefs.sys.mjs",
+});
+
+// We only show the private search banner once per browser session.
+let gSearchBannerShownThisSession;
+
+export class AboutPrivateBrowsingParent extends JSWindowActorParent {
+  constructor() {
+    super();
+    Services.telemetry.setEventRecordingEnabled("aboutprivatebrowsing", true);
+  }
+  // Used by tests
+  static setShownThisSession(shown) {
+    gSearchBannerShownThisSession = shown;
+  }
+
+  receiveMessage(aMessage) {
+    let browser = this.browsingContext.top.embedderElement;
+    if (!browser) {
+      return undefined;
+    }
+
+    let win = browser.ownerGlobal;
+
+    switch (aMessage.name) {
+      case "OpenPrivateWindow": {
+        win.OpenBrowserWindow({ private: true });
+        break;
+      }
+      case "OpenSearchPreferences": {
+        win.openPreferences("search", { origin: "about-privatebrowsing" });
+        break;
+      }
+      case "SearchHandoff": {
+        let urlBar = win.gURLBar;
+        let searchEngine = Services.search.defaultPrivateEngine;
+        let isFirstChange = true;
+
+        if (!aMessage.data || !aMessage.data.text) {
+          urlBar.setHiddenFocus();
+        } else {
+          // Pass the provided text to the awesomebar
+          urlBar.handoff(aMessage.data.text, searchEngine);
+          isFirstChange = false;
+        }
+
+        let checkFirstChange = () => {
+          // Check if this is the first change since we hidden focused. If it is,
+          // remove hidden focus styles, prepend the search alias and hide the
+          // in-content search.
+          if (isFirstChange) {
+            isFirstChange = false;
+            urlBar.removeHiddenFocus(true);
+            urlBar.handoff("", searchEngine);
+            this.sendAsyncMessage("DisableSearch");
+            urlBar.removeEventListener("compositionstart", checkFirstChange);
+            urlBar.removeEventListener("paste", checkFirstChange);
+          }
+        };
+
+        let onKeydown = ev => {
+          // Check if the keydown will cause a value change.
+          if (ev.key.length === 1 && !ev.altKey && !ev.ctrlKey && !ev.metaKey) {
+            checkFirstChange();
+          }
+          // If the Esc button is pressed, we are done. Show in-content search and cleanup.
+          if (ev.key === "Escape") {
+            onDone();
+          }
+        };
+
+        let onDone = ev => {
+          // We are done. Show in-content search again and cleanup.
+          this.sendAsyncMessage("ShowSearch");
+
+          const forceSuppressFocusBorder = ev?.type === "mousedown";
+          urlBar.removeHiddenFocus(forceSuppressFocusBorder);
+
+          urlBar.removeEventListener("keydown", onKeydown);
+          urlBar.removeEventListener("mousedown", onDone);
+          urlBar.removeEventListener("blur", onDone);
+          urlBar.removeEventListener("compositionstart", checkFirstChange);
+          urlBar.removeEventListener("paste", checkFirstChange);
+        };
+
+        urlBar.addEventListener("keydown", onKeydown);
+        urlBar.addEventListener("mousedown", onDone);
+        urlBar.addEventListener("blur", onDone);
+        urlBar.addEventListener("compositionstart", checkFirstChange);
+        urlBar.addEventListener("paste", checkFirstChange);
+        break;
+      }
+      case "ShouldShowSearch": {
+        let engineName = Services.prefs.getStringPref(
+          "browser.urlbar.placeholderName.private",
+          ""
+        );
+        let shouldHandOffToSearchMode = lazy.UrlbarPrefs.get(
+          "shouldHandOffToSearchMode"
+        );
+        return [engineName, shouldHandOffToSearchMode];
+      }
+      case "ShouldShowSearchBanner": {
+        // If this is a pre-loaded private browsing new tab, then we don't want
+        // to display the banner - it might never get displayed to the user
+        // and we won't know, or it might get displayed at the wrong time.
+        // This has the minor downside of not displaying the banner if
+        // you go into private browsing via opening a link, and then opening
+        // a new tab, we won't display the banner, for now, that's ok.
+        if (browser.getAttribute("preloadedState") === "preloaded") {
+          return null;
+        }
+
+        if (!lazy.isPrivateSearchUIEnabled || gSearchBannerShownThisSession) {
+          return null;
+        }
+        gSearchBannerShownThisSession = true;
+        const shownTimes = Services.prefs.getIntPref(SHOWN_PREF, 0);
+        if (shownTimes >= lazy.MAX_SEARCH_BANNER_SHOW_COUNT) {
+          return null;
+        }
+        Services.prefs.setIntPref(SHOWN_PREF, shownTimes + 1);
+        return new Promise(resolve => {
+          Services.search.getDefaultPrivate().then(engine => {
+            resolve(engine.name);
+          });
+        });
+      }
+      case "SearchBannerDismissed": {
+        Services.prefs.setIntPref(
+          SHOWN_PREF,
+          lazy.MAX_SEARCH_BANNER_SHOW_COUNT
+        );
+        break;
+      }
+      case "ShouldShowPromo": {
+        return BrowserUtils.shouldShowPromo(
+          BrowserUtils.PromoType[aMessage.data.type]
+        );
+      }
+      case "SpecialMessageActionDispatch": {
+        lazy.SpecialMessageActions.handleAction(aMessage.data, browser);
+        break;
+      }
+      case "IsPromoBlocked": {
+        return !ASRouter.isUnblockedMessage(aMessage.data);
+      }
+    }
+
+    return undefined;
+  }
+}