1 files changed, 90 insertions, 0 deletions
diff --git a/inject/company-switcher.js b/inject/company-switcher.js
new file mode 100644
index 0000000..b491b8a
--- /dev/null
+++ b/inject/company-switcher.js
@@ -0,0 +1,90 @@
+export function registerObserver() {
+  document.addEventListener("DOMContentLoaded", function () {
+
+    // When the DOM loaded, only the Web client framework is available, Odoo loads its
+    // stuff later and so we must wait, and react to new nodes as they are added
+    const root = document.querySelector(".o_web_client");
+
+    if (!root) {
+      return;
+    }
+
+    // This function is called (see below) whenever a DOM mutation happens
+    const callback = function (mutationsList, observer) {
+      for (let mutation of mutationsList) {
+        try {
+          if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
+            // We are only interested in children that are adding nodes
+            const elem = mutation.addedNodes.item(0);
+
+            if (elem.classList === undefined) {
+              // This skips nodes that are not HTML tags
+              continue;
+            }
+            else if (elem.attributes.toni) {
+              // As we clone tags further down, and add those clones, we'd enter an
+              // infinite recursion unless we skip elements we created, which are
+              // marked with an attribute
+              console.debug("Skipping TONI element:", elem);
+              continue;
+            }
+
+            if (elem.classList.contains("o_switch_company_item")) {
+              // Now we have an individual company menu item in `elem`. To get rid of the
+              // Odoo-provided click-event handler, we clone it, and replace the original,
+              // as cloning does not copy the event handlers
+              try {
+                let clone = elem.cloneNode(true);
+                clone.attributes.toni = true
+                clone.addEventListener('click', () => {
+                  // … and we add our own event handler that opens a new window on the
+                  // subdomain URL for the other company
+                  const cid = clone.attributes["data-company-id"].value;
+                  const url = document.URL.replace(/:\/\/(\d+\.)?odoo/, `://${cid}.odoo`);
+                  if (url) {
+
+                    console.debug("Opening new window on", url);
+                    const newwin = window.open(url, "_blank", "noreferrer");
+                    if (newwin) {
+                      newwin.focus();
+                    }
+
+                    const menubtn = document.querySelector(".o_switch_company_menu > button:nth-child(1)");
+                    if (menubtn) {
+                      // Finally, click the menu, so that it disappears
+                      menubtn.click();
+                    }
+
+                  } else {
+                    console.error("URL is empty, clone is:", clone);
+                  }
+                });
+                elem.parentNode.replaceChild(clone, elem);
+                console.debug("Replaced with TONI clone:", clone);
+              } catch (e) { console.error("While cloning element:", elem, e); }
+              // TODO: The following is an attempt to modify the document title and include the
+              // company name. but it get overwritten by Odoo right away, so we need another
+              // approach
+              /*
+              } else if (elem.classList.contains("o_switch_company_menu")) {
+                const btn = elem.childNodes[0];
+                const company = btn?.title;
+                if (company !== undefined) {
+                  const titleelem = document.querySelector("title");
+                  titleelem.innerText += ` | ${company}`;
+                }
+              */
+            }
+          }
+        }
+        catch (e) { console.error("While handling mutation:", mutation, e); };
+      }
+    };
+
+    // Configure and start the MutationObserver
+    const observer = new MutationObserver(callback);
+    const config = { childList: true, subtree: true };
+    observer.observe(root, config);
+    console.info("Installed TONI observer");
+  });
+}