import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

browser/extensions/pdfjs/test/browser_pdfjs_navigation.js

@@ -0,0 +1,283 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+requestLongerTimeout(2);
+
+Components.utils.import("resource://gre/modules/Promise.jsm", this);
+
+const RELATIVE_DIR = "browser/extensions/pdfjs/test/";
+const TESTROOT = "http://example.com/browser/" + RELATIVE_DIR;
+
+const PDF_OUTLINE_ITEMS = 17;
+const TESTS = [
+  {
+    action: {
+      selector: "button#next",
+      event: "click"
+    },
+    expectedPage: 2,
+    message: "navigated to next page using NEXT button"
+
+  },
+  {
+    action: {
+      selector: "button#previous",
+      event: "click"
+    },
+    expectedPage: 1,
+    message: "navigated to previous page using PREV button"
+  },
+  {
+    action: {
+      selector: "button#next",
+      event: "click"
+    },
+    expectedPage: 2,
+    message: "navigated to next page using NEXT button"
+  },
+  {
+    action: {
+      selector: "input#pageNumber",
+      value: 1,
+      event: "change"
+    },
+    expectedPage: 1,
+    message: "navigated to first page using pagenumber"
+  },
+  {
+    action: {
+      selector: "#thumbnailView a:nth-child(4)",
+      event: "click"
+    },
+    expectedPage: 4,
+    message: "navigated to 4th page using thumbnail view"
+  },
+  {
+    action: {
+      selector: "#thumbnailView a:nth-child(2)",
+      event: "click"
+    },
+    expectedPage: 2,
+    message: "navigated to 2nd page using thumbnail view"
+  },
+  {
+    action: {
+      selector: "#viewer",
+      event: "keydown",
+      keyCode: 36
+    },
+    expectedPage: 1,
+    message: "navigated to 1st page using 'home' key"
+  },
+  {
+    action: {
+      selector: "#viewer",
+      event: "keydown",
+      keyCode: 34
+    },
+    expectedPage: 2,
+    message: "navigated to 2nd page using 'Page Down' key"
+  },
+  {
+    action: {
+      selector: "#viewer",
+      event: "keydown",
+      keyCode: 33
+    },
+    expectedPage: 1,
+    message: "navigated to 1st page using 'Page Up' key"
+  },
+  {
+    action: {
+      selector: "#viewer",
+      event: "keydown",
+      keyCode: 39
+    },
+    expectedPage: 2,
+    message: "navigated to 2nd page using 'right' key"
+  },
+  {
+    action: {
+      selector: "#viewer",
+      event: "keydown",
+      keyCode: 37
+    },
+    expectedPage: 1,
+    message: "navigated to 1st page using 'left' key"
+  },
+  {
+    action: {
+      selector: "#viewer",
+      event: "keydown",
+      keyCode: 35
+    },
+    expectedPage: 5,
+    message: "navigated to last page using 'home' key"
+  },
+  {
+    action: {
+      selector: ".outlineItem:nth-child(1) a",
+      event: "click"
+    },
+    expectedPage: 1,
+    message: "navigated to 1st page using outline view"
+  },
+  {
+    action: {
+      selector: ".outlineItem:nth-child(" + PDF_OUTLINE_ITEMS + ") a",
+      event: "click"
+    },
+    expectedPage: 4,
+    message: "navigated to 4th page using outline view"
+  },
+  {
+    action: {
+      selector: "input#pageNumber",
+      value: 5,
+      event: "change"
+    },
+    expectedPage: 5,
+    message: "navigated to 5th page using pagenumber"
+  }
+];
+
+add_task(function* test() {
+  let mimeService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService);
+  let handlerInfo = mimeService.getFromTypeAndExtension('application/pdf', 'pdf');
+
+  // Make sure pdf.js is the default handler.
+  is(handlerInfo.alwaysAskBeforeHandling, false, 'pdf handler defaults to always-ask is false');
+  is(handlerInfo.preferredAction, Ci.nsIHandlerInfo.handleInternally, 'pdf handler defaults to internal');
+
+  info('Pref action: ' + handlerInfo.preferredAction);
+
+  yield BrowserTestUtils.withNewTab({ gBrowser, url: "about:blank" },
+    function* (newTabBrowser) {
+      yield waitForPdfJS(newTabBrowser, TESTROOT + "file_pdfjs_test.pdf");
+
+      yield ContentTask.spawn(newTabBrowser, null, function* () {
+        // Check if PDF is opened with internal viewer
+        Assert.ok(content.document.querySelector("div#viewer"), "document content has viewer UI");
+        Assert.ok("PDFJS" in content.wrappedJSObject, "window content has PDFJS object");
+      });
+
+      yield ContentTask.spawn(newTabBrowser, null, contentSetUp);
+
+      yield Task.spawn(runTests(newTabBrowser));
+
+      yield ContentTask.spawn(newTabBrowser, null, function*() {
+        let pageNumber = content.document.querySelector('input#pageNumber');
+        Assert.equal(pageNumber.value, pageNumber.max, "Document is left on the last page");
+      });
+    });
+});
+
+function* contentSetUp() {
+  /**
+   * Outline Items gets appended to the document later on we have to
+   * wait for them before we start to navigate though document
+   *
+   * @param document
+   * @returns {deferred.promise|*}
+   */
+  function waitForOutlineItems(document) {
+    return new Promise((resolve, reject) => {
+      document.addEventListener("outlineloaded", function outlineLoaded(evt) {
+        document.removeEventListener("outlineloaded", outlineLoaded);
+        var outlineCount = evt.detail.outlineCount;
+
+        if (document.querySelectorAll(".outlineItem").length === outlineCount) {
+          resolve();
+        } else {
+          reject();
+        }
+      });
+    });
+  }
+
+  /**
+   * The key navigation has to happen in page-fit, otherwise it won't scroll
+   * through a complete page
+   *
+   * @param document
+   * @returns {deferred.promise|*}
+   */
+  function setZoomToPageFit(document) {
+    return new Promise((resolve) => {
+      document.addEventListener("pagerendered", function onZoom(e) {
+        document.removeEventListener("pagerendered", onZoom);
+        document.querySelector("#viewer").click();
+        resolve();
+      });
+
+      var select = document.querySelector("select#scaleSelect");
+      select.selectedIndex = 2;
+      select.dispatchEvent(new Event("change"));
+    });
+  }
+
+  yield waitForOutlineItems(content.document);
+  yield setZoomToPageFit(content.document);
+}
+
+/**
+ * As the page changes asynchronously, we have to wait for the event after
+ * we trigger the action so we will be at the expected page number after each action
+ *
+ * @param document
+ * @param window
+ * @param test
+ * @param callback
+ */
+function* runTests(browser) {
+  yield ContentTask.spawn(browser, TESTS, function* (TESTS) {
+    let window = content;
+    let document = window.document;
+
+    for (let test of TESTS) {
+      let deferred = {};
+      deferred.promise = new Promise((resolve, reject) => {
+        deferred.resolve = resolve;
+        deferred.reject = reject;
+      });
+
+      let pageNumber = document.querySelector('input#pageNumber');
+
+      // Add an event-listener to wait for page to change, afterwards resolve the promise
+      let timeout = window.setTimeout(() => deferred.reject(), 5000);
+      window.addEventListener('pagechange', function pageChange() {
+        if (pageNumber.value == test.expectedPage) {
+          window.removeEventListener('pagechange', pageChange);
+          window.clearTimeout(timeout);
+          deferred.resolve(+pageNumber.value);
+        }
+      });
+
+      // Get the element and trigger the action for changing the page
+      var el = document.querySelector(test.action.selector);
+      Assert.ok(el, "Element '" + test.action.selector + "' has been found");
+
+      // The value option is for input case
+      if (test.action.value)
+        el.value = test.action.value;
+
+      // Dispatch the event for changing the page
+      if (test.action.event == "keydown") {
+        var ev = document.createEvent("KeyboardEvent");
+            ev.initKeyEvent("keydown", true, true, null, false, false, false, false,
+                            test.action.keyCode, 0);
+        el.dispatchEvent(ev);
+      }
+      else {
+        var ev = new Event(test.action.event);
+      }
+      el.dispatchEvent(ev);
+
+      let pgNumber = yield deferred.promise;
+      Assert.equal(pgNumber, test.expectedPage, test.message);
+    }
+
+    var viewer = content.wrappedJSObject.PDFViewerApplication;
+    yield viewer.close();
+  });
+}