Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 223 insertions, 0 deletions

diff --git a/browser/base/content/test/zoom/head.js b/browser/base/content/test/zoom/head.js
new file mode 100644
index 0000000000..d5f09aa5e2
--- /dev/null
+++ b/browser/base/content/test/zoom/head.js
@@ -0,0 +1,223 @@
+/* Any copyright is dedicated to the Public Domain.
+ * https://creativecommons.org/publicdomain/zero/1.0/ */
+
+let gContentPrefs = Cc["@mozilla.org/content-pref/service;1"].getService(
+  Ci.nsIContentPrefService2
+);
+
+let gLoadContext = Cu.createLoadContext();
+
+registerCleanupFunction(async function () {
+  await new Promise(resolve => {
+    gContentPrefs.removeByName(window.FullZoom.name, gLoadContext, {
+      handleResult() {},
+      handleCompletion() {
+        resolve();
+      },
+    });
+  });
+});
+
+var FullZoomHelper = {
+  async changeDefaultZoom(newZoom) {
+    let nonPrivateLoadContext = Cu.createLoadContext();
+    /* Because our setGlobal function takes in a browsing context, and
+     * because we want to keep this property consistent across both private
+     * and non-private contexts, we crate a non-private context and use that
+     * to set the property, regardless of our actual context.
+     */
+
+    let parsedZoomValue = parseFloat((parseInt(newZoom) / 100).toFixed(2));
+    await new Promise(resolve => {
+      gContentPrefs.setGlobal(
+        FullZoom.name,
+        parsedZoomValue,
+        nonPrivateLoadContext,
+        {
+          handleCompletion(reason) {
+            resolve();
+          },
+        }
+      );
+    });
+    // The zoom level is used to update the commands associated with
+    // increasing, decreasing or resetting the Zoom levels. There are
+    // a series of async things we need to wait for (writing the content
+    // pref to the database, and then reading that content pref back out
+    // again and reacting to it), so waiting for the zoom level to reach
+    // the expected level is actually simplest to make sure we're okay to
+    // proceed.
+    await TestUtils.waitForCondition(() => {
+      return ZoomManager.zoom == parsedZoomValue;
+    });
+  },
+
+  async getGlobalValue() {
+    return new Promise(resolve => {
+      let cachedVal = parseFloat(
+        gContentPrefs.getCachedGlobal(FullZoom.name, gLoadContext)
+      );
+      if (cachedVal) {
+        // We've got cached information, though it may be we've cached
+        // an undefined value, or the cached info is invalid. To ensure
+        // a valid return, we opt to return the default 1.0 in the
+        // undefined and invalid cases.
+        resolve(parseFloat(cachedVal.value) || 1.0);
+        return;
+      }
+      let value = 1.0;
+      gContentPrefs.getGlobal(FullZoom.name, gLoadContext, {
+        handleResult(pref) {
+          if (pref.value) {
+            value = parseFloat(pref.value);
+          }
+        },
+        handleCompletion(reason) {
+          resolve(value);
+        },
+        handleError(error) {
+          console.error(error);
+        },
+      });
+    });
+  },
+
+  waitForLocationChange: function waitForLocationChange() {
+    return new Promise(resolve => {
+      Services.obs.addObserver(function obs(subj, topic, data) {
+        Services.obs.removeObserver(obs, topic);
+        resolve();
+      }, "browser-fullZoom:location-change");
+    });
+  },
+
+  selectTabAndWaitForLocationChange: function selectTabAndWaitForLocationChange(
+    tab
+  ) {
+    if (!tab) {
+      throw new Error("tab must be given.");
+    }
+    if (gBrowser.selectedTab == tab) {
+      return Promise.resolve();
+    }
+
+    return Promise.all([
+      BrowserTestUtils.switchTab(gBrowser, tab),
+      this.waitForLocationChange(),
+    ]);
+  },
+
+  removeTabAndWaitForLocationChange: function removeTabAndWaitForLocationChange(
+    tab
+  ) {
+    tab = tab || gBrowser.selectedTab;
+    let selected = gBrowser.selectedTab == tab;
+    gBrowser.removeTab(tab);
+    if (selected) {
+      return this.waitForLocationChange();
+    }
+    return Promise.resolve();
+  },
+
+  load: function load(tab, url) {
+    return new Promise(resolve => {
+      let didLoad = false;
+      let didZoom = false;
+
+      promiseTabLoadEvent(tab, url).then(event => {
+        didLoad = true;
+        if (didZoom) {
+          resolve();
+        }
+      }, true);
+
+      this.waitForLocationChange().then(function () {
+        didZoom = true;
+        if (didLoad) {
+          resolve();
+        }
+      });
+    });
+  },
+
+  zoomTest: function zoomTest(tab, val, msg) {
+    is(ZoomManager.getZoomForBrowser(tab.linkedBrowser), val, msg);
+  },
+
+  BACK: 0,
+  FORWARD: 1,
+  navigate: function navigate(direction) {
+    return new Promise(resolve => {
+      let didPs = false;
+      let didZoom = false;
+
+      BrowserTestUtils.waitForContentEvent(
+        gBrowser.selectedBrowser,
+        "pageshow",
+        true
+      ).then(() => {
+        didPs = true;
+        if (didZoom) {
+          resolve();
+        }
+      });
+
+      if (direction == this.BACK) {
+        gBrowser.goBack();
+      } else if (direction == this.FORWARD) {
+        gBrowser.goForward();
+      }
+
+      this.waitForLocationChange().then(function () {
+        didZoom = true;
+        if (didPs) {
+          resolve();
+        }
+      });
+    });
+  },
+
+  failAndContinue: function failAndContinue(func) {
+    return function (err) {
+      console.error(err);
+      ok(false, err);
+      func();
+    };
+  },
+};
+
+/**
+ * Waits for a load (or custom) event to finish in a given tab. If provided
+ * load an uri into the tab.
+ *
+ * @param tab
+ *        The tab to load into.
+ * @param [optional] url
+ *        The url to load, or the current url.
+ * @return {Promise} resolved when the event is handled.
+ * @resolves to the received event
+ * @rejects if a valid load event is not received within a meaningful interval
+ */
+async function promiseTabLoadEvent(tab, url) {
+  console.info("Wait tab event: load");
+  if (url) {
+    console.info("Expecting load for: ", url);
+  }
+  function handle(loadedUrl) {
+    if (loadedUrl === "about:blank" || (url && loadedUrl !== url)) {
+      console.info(`Skipping spurious load event for ${loadedUrl}`);
+      return false;
+    }
+
+    console.info("Tab event received: load");
+    return true;
+  }
+
+  let loaded = BrowserTestUtils.browserLoaded(tab.linkedBrowser, false, handle);
+
+  if (url) {
+    BrowserTestUtils.loadURIString(tab.linkedBrowser, url);
+  }
+
+  return loaded;
+}