Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

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

1 files changed, 545 insertions, 0 deletions

diff --git a/toolkit/content/widgets/dialog.js b/toolkit/content/widgets/dialog.js
new file mode 100644
index 0000000000..52eb2168f8
--- /dev/null
+++ b/toolkit/content/widgets/dialog.js
@@ -0,0 +1,545 @@
+/* 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/. */
+
+"use strict";
+
+// This is loaded into all XUL windows. Wrap in a block to prevent
+// leaking to window scope.
+{
+  const { AppConstants } = ChromeUtils.importESModule(
+    "resource://gre/modules/AppConstants.sys.mjs"
+  );
+
+  class MozDialog extends MozXULElement {
+    constructor() {
+      super();
+    }
+
+    static get observedAttributes() {
+      return super.observedAttributes.concat("subdialog");
+    }
+
+    attributeChangedCallback(name, oldValue, newValue) {
+      if (name == "subdialog") {
+        console.assert(
+          newValue,
+          `Turning off subdialog style is not supported`
+        );
+        if (this.isConnectedAndReady && !oldValue && newValue) {
+          this.shadowRoot.appendChild(
+            MozXULElement.parseXULToFragment(this.inContentStyle)
+          );
+        }
+        return;
+      }
+      super.attributeChangedCallback(name, oldValue, newValue);
+    }
+
+    static get inheritedAttributes() {
+      return {
+        ".dialog-button-box":
+          "pack=buttonpack,align=buttonalign,dir=buttondir,orient=buttonorient",
+        "[dlgtype='accept']": "disabled=buttondisabledaccept",
+      };
+    }
+
+    get inContentStyle() {
+      return `
+      <html:link rel="stylesheet" href="chrome://global/skin/in-content/common.css" />
+    `;
+    }
+
+    get _markup() {
+      let buttons = AppConstants.XP_UNIX
+        ? `
+      <hbox class="dialog-button-box">
+        <button dlgtype="disclosure" hidden="true"/>
+        <button dlgtype="extra2" hidden="true"/>
+        <button dlgtype="extra1" hidden="true"/>
+        <spacer class="button-spacer" part="button-spacer" flex="1"/>
+        <button dlgtype="cancel"/>
+        <button dlgtype="accept"/>
+      </hbox>`
+        : `
+      <hbox class="dialog-button-box" pack="end">
+        <button dlgtype="extra2" hidden="true"/>
+        <spacer class="button-spacer" part="button-spacer" flex="1" hidden="true"/>
+        <button dlgtype="accept"/>
+        <button dlgtype="extra1" hidden="true"/>
+        <button dlgtype="cancel"/>
+        <button dlgtype="disclosure" hidden="true"/>
+      </hbox>`;
+
+      return `
+      <html:link rel="stylesheet" href="chrome://global/skin/button.css"/>
+      <html:link rel="stylesheet" href="chrome://global/skin/dialog.css"/>
+      ${this.hasAttribute("subdialog") ? this.inContentStyle : ""}
+      <vbox class="box-inherit" part="content-box">
+        <html:slot></html:slot>
+      </vbox>
+      ${buttons}`;
+    }
+
+    connectedCallback() {
+      if (this.delayConnectedCallback()) {
+        return;
+      }
+      if (this.hasConnected) {
+        return;
+      }
+      this.hasConnected = true;
+      this.attachShadow({ mode: "open" });
+
+      document.documentElement.setAttribute("role", "dialog");
+      document.l10n?.connectRoot(this.shadowRoot);
+
+      this.shadowRoot.textContent = "";
+      this.shadowRoot.appendChild(
+        MozXULElement.parseXULToFragment(this._markup)
+      );
+      this.initializeAttributeInheritance();
+
+      this._configureButtons(this.buttons);
+
+      window.moveToAlertPosition = this.moveToAlertPosition;
+      window.centerWindowOnScreen = this.centerWindowOnScreen;
+
+      document.addEventListener(
+        "keypress",
+        event => {
+          if (event.keyCode == KeyEvent.DOM_VK_RETURN) {
+            this._hitEnter(event);
+          } else if (
+            event.keyCode == KeyEvent.DOM_VK_ESCAPE &&
+            !event.defaultPrevented
+          ) {
+            this.cancelDialog();
+          }
+        },
+        { mozSystemGroup: true }
+      );
+
+      if (AppConstants.platform == "macosx") {
+        document.addEventListener(
+          "keypress",
+          event => {
+            if (event.key == "." && event.metaKey) {
+              this.cancelDialog();
+            }
+          },
+          true
+        );
+      } else {
+        this.addEventListener("focus", this, true);
+        this.shadowRoot.addEventListener("focus", this, true);
+      }
+
+      // listen for when window is closed via native close buttons
+      window.addEventListener("close", event => {
+        if (!this.cancelDialog()) {
+          event.preventDefault();
+        }
+      });
+
+      // Call postLoadInit for things that we need to initialize after onload.
+      if (document.readyState == "complete") {
+        this._postLoadInit();
+      } else {
+        window.addEventListener("load", event => this._postLoadInit());
+      }
+    }
+
+    set buttons(val) {
+      this._configureButtons(val);
+    }
+
+    get buttons() {
+      return this.getAttribute("buttons");
+    }
+
+    set defaultButton(val) {
+      this._setDefaultButton(val);
+    }
+
+    get defaultButton() {
+      if (this.hasAttribute("defaultButton")) {
+        return this.getAttribute("defaultButton");
+      }
+      return "accept"; // default to the accept button
+    }
+
+    get _strBundle() {
+      if (!this.__stringBundle) {
+        this.__stringBundle = Services.strings.createBundle(
+          "chrome://global/locale/dialog.properties"
+        );
+      }
+      return this.__stringBundle;
+    }
+
+    acceptDialog() {
+      return this._doButtonCommand("accept");
+    }
+
+    cancelDialog() {
+      return this._doButtonCommand("cancel");
+    }
+
+    getButton(aDlgType) {
+      return this._buttons[aDlgType];
+    }
+
+    get buttonBox() {
+      return this.shadowRoot.querySelector(".dialog-button-box");
+    }
+
+    // NOTE(emilio): This has to match AppWindow::IntrinsicallySizeShell, to
+    // prevent flickering, see bug 1799394.
+    _sizeToPreferredSize() {
+      const docEl = document.documentElement;
+      const prefWidth = (() => {
+        if (docEl.hasAttribute("width")) {
+          return parseInt(docEl.getAttribute("width"));
+        }
+        let prefWidthProp = docEl.getAttribute("prefwidth");
+        if (prefWidthProp) {
+          let minWidth = parseFloat(
+            getComputedStyle(docEl).getPropertyValue(prefWidthProp)
+          );
+          if (isFinite(minWidth)) {
+            return minWidth;
+          }
+        }
+        return 0;
+      })();
+      window.sizeToContentConstrained({ prefWidth });
+    }
+
+    moveToAlertPosition() {
+      // hack. we need this so the window has something like its final size
+      if (window.outerWidth == 1) {
+        dump(
+          "Trying to position a sizeless window; caller should have called sizeToContent() or sizeTo(). See bug 75649.\n"
+        );
+        this._sizeToPreferredSize();
+      }
+
+      if (opener) {
+        var xOffset = (opener.outerWidth - window.outerWidth) / 2;
+        var yOffset = opener.outerHeight / 5;
+
+        var newX = opener.screenX + xOffset;
+        var newY = opener.screenY + yOffset;
+      } else {
+        newX = (screen.availWidth - window.outerWidth) / 2;
+        newY = (screen.availHeight - window.outerHeight) / 2;
+      }
+
+      // ensure the window is fully onscreen (if smaller than the screen)
+      if (newX < screen.availLeft) {
+        newX = screen.availLeft + 20;
+      }
+      if (newX + window.outerWidth > screen.availLeft + screen.availWidth) {
+        newX = screen.availLeft + screen.availWidth - window.outerWidth - 20;
+      }
+
+      if (newY < screen.availTop) {
+        newY = screen.availTop + 20;
+      }
+      if (newY + window.outerHeight > screen.availTop + screen.availHeight) {
+        newY = screen.availTop + screen.availHeight - window.outerHeight - 60;
+      }
+
+      window.moveTo(newX, newY);
+    }
+
+    centerWindowOnScreen() {
+      var xOffset = screen.availWidth / 2 - window.outerWidth / 2;
+      var yOffset = screen.availHeight / 2 - window.outerHeight / 2;
+
+      xOffset = xOffset > 0 ? xOffset : 0;
+      yOffset = yOffset > 0 ? yOffset : 0;
+      window.moveTo(xOffset, yOffset);
+    }
+
+    // Give focus to the first focusable element in the dialog
+    _setInitialFocusIfNeeded() {
+      let focusedElt = document.commandDispatcher.focusedElement;
+      if (focusedElt) {
+        return;
+      }
+
+      const defaultButton = this.getButton(this.defaultButton);
+      Services.focus.moveFocus(
+        window,
+        null,
+        Services.focus.MOVEFOCUS_FORWARD,
+        Services.focus.FLAG_NOPARENTFRAME
+      );
+
+      focusedElt = document.commandDispatcher.focusedElement;
+      if (!focusedElt) {
+        return; // No focusable element?
+      }
+
+      let firstFocusedElt = focusedElt;
+      while (
+        focusedElt.localName == "tab" ||
+        focusedElt.getAttribute("noinitialfocus") == "true"
+      ) {
+        Services.focus.moveFocus(
+          window,
+          focusedElt,
+          Services.focus.MOVEFOCUS_FORWARD,
+          Services.focus.FLAG_NOPARENTFRAME
+        );
+        focusedElt = document.commandDispatcher.focusedElement;
+        if (focusedElt == firstFocusedElt) {
+          if (focusedElt.getAttribute("noinitialfocus") == "true") {
+            focusedElt.blur();
+          }
+          // Didn't find anything else to focus, we're done.
+          return;
+        }
+      }
+
+      if (firstFocusedElt.localName == "tab") {
+        if (focusedElt.hasAttribute("dlgtype")) {
+          // We don't want to focus on anonymous OK, Cancel, etc. buttons,
+          // so return focus to the tab itself
+          firstFocusedElt.focus();
+        }
+      } else if (
+        AppConstants.platform != "macosx" &&
+        focusedElt.hasAttribute("dlgtype") &&
+        focusedElt != defaultButton
+      ) {
+        defaultButton.focus();
+        if (document.commandDispatcher.focusedElement != defaultButton) {
+          // If the default button is not focusable, then return focus to the
+          // initial element if possible, or blur otherwise.
+          if (firstFocusedElt.getAttribute("noinitialfocus") == "true") {
+            focusedElt.blur();
+          } else {
+            firstFocusedElt.focus();
+          }
+        }
+      }
+    }
+
+    async _postLoadInit() {
+      this._setInitialFocusIfNeeded();
+      let finalStep = () => {
+        this._sizeToPreferredSize();
+        this._snapCursorToDefaultButtonIfNeeded();
+      };
+      // As a hack to ensure Windows sizes the window correctly,
+      // _sizeToPreferredSize() needs to happen after
+      // AppWindow::OnChromeLoaded. That one is called right after the load
+      // event dispatch but within the same task. Using direct dispatch let's
+      // all this code run before the next task (which might be a task to
+      // paint the window).
+      // But, MacOS doesn't like resizing after window/dialog becoming visible.
+      // Linux seems to be able to handle both cases.
+      if (Services.appinfo.OS == "Darwin") {
+        finalStep();
+      } else {
+        Services.tm.dispatchDirectTaskToCurrentThread(finalStep);
+      }
+    }
+
+    // This snaps the cursor to the default button rect on windows, when
+    // SPI_GETSNAPTODEFBUTTON is set.
+    async _snapCursorToDefaultButtonIfNeeded() {
+      const defaultButton = this.getButton(this.defaultButton);
+      if (!defaultButton) {
+        return;
+      }
+      try {
+        // FIXME(emilio, bug 1797624): This setTimeout() ensures enough time
+        // has passed so that the dialog vertical margin has been set by the
+        // front-end. For subdialogs, cursor positioning should probably be
+        // done by the opener instead, once the dialog is positioned.
+        await new Promise(r => setTimeout(r, 0));
+        await window.promiseDocumentFlushed(() => {});
+        window.notifyDefaultButtonLoaded(defaultButton);
+      } catch (e) {}
+    }
+
+    _configureButtons(aButtons) {
+      // by default, get all the anonymous button elements
+      var buttons = {};
+      this._buttons = buttons;
+
+      for (let type of ["accept", "cancel", "extra1", "extra2", "disclosure"]) {
+        buttons[type] = this.shadowRoot.querySelector(`[dlgtype="${type}"]`);
+      }
+
+      // look for any overriding explicit button elements
+      var exBtns = this.getElementsByAttribute("dlgtype", "*");
+      var dlgtype;
+      for (let i = 0; i < exBtns.length; ++i) {
+        dlgtype = exBtns[i].getAttribute("dlgtype");
+        buttons[dlgtype].hidden = true; // hide the anonymous button
+        buttons[dlgtype] = exBtns[i];
+      }
+
+      // add the label and oncommand handler to each button
+      for (dlgtype in buttons) {
+        var button = buttons[dlgtype];
+        button.addEventListener(
+          "command",
+          this._handleButtonCommand.bind(this),
+          true
+        );
+
+        // don't override custom labels with pre-defined labels on explicit buttons
+        if (!button.hasAttribute("label")) {
+          // dialog attributes override the default labels in dialog.properties
+          if (this.hasAttribute("buttonlabel" + dlgtype)) {
+            button.setAttribute(
+              "label",
+              this.getAttribute("buttonlabel" + dlgtype)
+            );
+            if (this.hasAttribute("buttonaccesskey" + dlgtype)) {
+              button.setAttribute(
+                "accesskey",
+                this.getAttribute("buttonaccesskey" + dlgtype)
+              );
+            }
+          } else if (this.hasAttribute("buttonid" + dlgtype)) {
+            document.l10n.setAttributes(
+              button,
+              this.getAttribute("buttonid" + dlgtype)
+            );
+          } else if (dlgtype != "extra1" && dlgtype != "extra2") {
+            button.setAttribute(
+              "label",
+              this._strBundle.GetStringFromName("button-" + dlgtype)
+            );
+            var accessKey = this._strBundle.GetStringFromName(
+              "accesskey-" + dlgtype
+            );
+            if (accessKey) {
+              button.setAttribute("accesskey", accessKey);
+            }
+          }
+        }
+      }
+
+      // ensure that hitting enter triggers the default button command
+      // eslint-disable-next-line no-self-assign
+      this.defaultButton = this.defaultButton;
+
+      // if there is a special button configuration, use it
+      if (aButtons) {
+        // expect a comma delimited list of dlgtype values
+        var list = aButtons.split(",");
+
+        // mark shown dlgtypes as true
+        var shown = {
+          accept: false,
+          cancel: false,
+          disclosure: false,
+          extra1: false,
+          extra2: false,
+        };
+        for (let i = 0; i < list.length; ++i) {
+          shown[list[i].replace(/ /g, "")] = true;
+        }
+
+        // hide/show the buttons we want
+        for (dlgtype in buttons) {
+          buttons[dlgtype].hidden = !shown[dlgtype];
+        }
+
+        // show the spacer on Windows only when the extra2 button is present
+        if (AppConstants.platform == "win") {
+          let spacer = this.shadowRoot.querySelector(".button-spacer");
+          spacer.removeAttribute("hidden");
+          spacer.setAttribute("flex", shown.extra2 ? "1" : "0");
+        }
+      }
+    }
+
+    _setDefaultButton(aNewDefault) {
+      // remove the default attribute from the previous default button, if any
+      var oldDefaultButton = this.getButton(this.defaultButton);
+      if (oldDefaultButton) {
+        oldDefaultButton.removeAttribute("default");
+      }
+
+      var newDefaultButton = this.getButton(aNewDefault);
+      if (newDefaultButton) {
+        this.setAttribute("defaultButton", aNewDefault);
+        newDefaultButton.setAttribute("default", "true");
+      } else {
+        this.setAttribute("defaultButton", "none");
+        if (aNewDefault != "none") {
+          dump(
+            "invalid new default button: " + aNewDefault + ", assuming: none\n"
+          );
+        }
+      }
+    }
+
+    _handleButtonCommand(aEvent) {
+      return this._doButtonCommand(aEvent.target.getAttribute("dlgtype"));
+    }
+
+    _doButtonCommand(aDlgType) {
+      var button = this.getButton(aDlgType);
+      if (!button.disabled) {
+        var noCancel = this._fireButtonEvent(aDlgType);
+        if (noCancel) {
+          if (aDlgType == "accept" || aDlgType == "cancel") {
+            var closingEvent = new CustomEvent("dialogclosing", {
+              bubbles: true,
+              detail: { button: aDlgType },
+            });
+            this.dispatchEvent(closingEvent);
+            window.close();
+          }
+        }
+        return noCancel;
+      }
+      return true;
+    }
+
+    _fireButtonEvent(aDlgType) {
+      var event = document.createEvent("Events");
+      event.initEvent("dialog" + aDlgType, true, true);
+
+      // handle dom event handlers
+      return this.dispatchEvent(event);
+    }
+
+    _hitEnter(evt) {
+      if (evt.defaultPrevented) {
+        return;
+      }
+
+      var btn = this.getButton(this.defaultButton);
+      if (btn) {
+        this._doButtonCommand(this.defaultButton);
+      }
+    }
+
+    on_focus(event) {
+      let btn = this.getButton(this.defaultButton);
+      if (btn) {
+        btn.setAttribute(
+          "default",
+          event.originalTarget == btn ||
+            !(
+              event.originalTarget.localName == "button" ||
+              event.originalTarget.localName == "toolbarbutton"
+            )
+        );
+      }
+    }
+  }
+
+  customElements.define("dialog", MozDialog);
+}