Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-07 19:33:14 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-07 19:33:14 +0000
commit: 36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree: 105e8c98ddea1c1e4784a60a5a6410fa416be2de /toolkit/components/aboutcheckerboard
parent: Initial commit. (diff)
download: firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
5 files changed, 477 insertions, 0 deletions
diff --git a/toolkit/components/aboutcheckerboard/content/aboutCheckerboard.css b/toolkit/components/aboutcheckerboard/content/aboutCheckerboard.css
new file mode 100644
index 0000000000..a0095d8563
--- /dev/null
+++ b/toolkit/components/aboutcheckerboard/content/aboutCheckerboard.css
@@ -0,0 +1,56 @@
+/* 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/. */
+
+table.listing {
+  width: 100%;
+}
+
+table th, table td {
+  padding: 5px;
+  border: inset 2px black;
+  margin: 0;
+  width: 50%;
+  vertical-align: top;
+}
+
+hr {
+  clear: both;
+  margin: 10px;
+}
+
+iframe {
+  width: 100%;
+  height: 900px;
+}
+
+#player, #raw {
+  width: 800px;
+  margin-inline: auto;
+}
+
+#controls {
+  text-align: center;
+}
+
+#canvas {
+  border: solid 1px black;
+}
+
+#active {
+  width: 100%;
+  border: solid 1px black;
+  margin-top: 0;
+}
+
+#trace {
+  width: 100%;
+}
+
+#enabled {
+  color: red;
+}
+
+#enabled.enabled {
+  color: green;
+}
diff --git a/toolkit/components/aboutcheckerboard/content/aboutCheckerboard.html b/toolkit/components/aboutcheckerboard/content/aboutCheckerboard.html
new file mode 100644
index 0000000000..8f15425a43
--- /dev/null
+++ b/toolkit/components/aboutcheckerboard/content/aboutCheckerboard.html
@@ -0,0 +1,79 @@
+<!-- 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/. -->
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta
+      http-equiv="Content-Security-Policy"
+      content="default-src chrome:; object-src 'none'"
+    />
+    <meta name="viewport" content="width=device-width" />
+    <meta charset="utf-8" />
+    <title>Checkerboard Analyzer</title>
+    <link
+      rel="stylesheet"
+      href="chrome://global/content/aboutCheckerboard.css"
+      type="text/css"
+    />
+  </head>
+
+  <body>
+    <p>
+      Checkerboard recording is <span id="enabled">undetermined</span>.
+      <button id="enableToggleButton">Toggle it!</button>.
+    </p>
+    <p>
+      If there are active reports in progress, you can stop and flush them by
+      clicking here:
+      <button id="flushReportsButton">Flush active reports</button>
+    </p>
+    <table class="listing" cellspacing="0">
+      <tr>
+        <th>Most severe checkerboarding reports</th>
+        <th>Most recent checkerboarding reports</th>
+      </tr>
+      <tr>
+        <td><ul id="severe"></ul></td>
+        <td><ul id="recent"></ul></td>
+      </tr>
+    </table>
+
+    <hr />
+
+    <div id="player">
+      <div id="controls">
+        <button id="rewindButton">&#171;</button
+        ><!-- rewind button -->
+        <button id="stepBackButton">&lt;</button
+        ><!-- step back button -->
+        <button id="pauseButton">|| &#9654;</button
+        ><!-- pause button -->
+        <button id="stopButton">&#9744;</button
+        ><!-- stop button -->
+        <button id="stepForwardButton">&gt;</button
+        ><!-- step forward button -->
+        <button id="forwardButton">&#187;</button
+        ><!-- forward button -->
+      </div>
+      <canvas id="canvas" width="800" height="600"
+        >Canvas not supported!</canvas
+      >
+      <pre id="active">(Details for currently visible replay frame)</pre>
+    </div>
+
+    <hr />
+
+    <div id="raw">
+      Raw log:<br />
+      <textarea id="trace" rows="10"></textarea>
+      <div>
+        <input type="checkbox" id="excludePageFromZoom" /><label
+          for="excludePageFromZoom"
+          >Exclude page coordinates from zoom calculations</label
+        ><br />
+      </div>
+    </div>
+  </body>
+  <script src="chrome://global/content/aboutCheckerboard.js"></script>
+</html>
diff --git a/toolkit/components/aboutcheckerboard/content/aboutCheckerboard.js b/toolkit/components/aboutcheckerboard/content/aboutCheckerboard.js
new file mode 100644
index 0000000000..e985a312ad
--- /dev/null
+++ b/toolkit/components/aboutcheckerboard/content/aboutCheckerboard.js
@@ -0,0 +1,324 @@
+/* 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";
+
+var trace;
+var service;
+var reports;
+
+function onLoad() {
+  trace = document.getElementById("trace");
+  service = new CheckerboardReportService();
+  updateEnabled();
+  reports = service.getReports();
+  for (let i = 0; i < reports.length; i++) {
+    let text =
+      "Severity " +
+      reports[i].severity +
+      " at " +
+      new Date(reports[i].timestamp).toString();
+    let link = document.createElement("a");
+    link.href = "#";
+    link.addEventListener("click", function () {
+      showReport(i);
+      return false;
+    });
+    link.textContent = text;
+    let bullet = document.createElement("li");
+    bullet.appendChild(link);
+    document.getElementById(reports[i].reason).appendChild(bullet);
+  }
+}
+
+function updateEnabled() {
+  let enabled = document.getElementById("enabled");
+  let isEnabled = service.isRecordingEnabled();
+  if (isEnabled) {
+    enabled.textContent = "enabled";
+  } else {
+    enabled.textContent = "disabled";
+  }
+  enabled.classList.toggle("enabled", isEnabled);
+}
+
+function toggleEnabled() {
+  service.setRecordingEnabled(!service.isRecordingEnabled());
+  updateEnabled();
+}
+
+function flushReports() {
+  service.flushActiveReports();
+}
+
+function showReport(index) {
+  trace.value = reports[index].log;
+  loadData();
+}
+
+// -- Code to load and render the trace --
+
+const CANVAS_USE_RATIO = 0.75;
+const FRAME_INTERVAL_MS = 50;
+const VECTOR_NORMALIZED_MAGNITUDE = 30.0;
+
+var renderData = [];
+var currentFrame = 0;
+var playing = false;
+var timerId = 0;
+
+var minX = undefined;
+var minY = undefined;
+var maxX = undefined;
+var maxY = undefined;
+
+function log(x) {
+  if (console) {
+    console.log(x);
+  }
+}
+
+function getFlag(flag) {
+  return document.getElementById(flag).checked;
+}
+
+// parses the lines in the textarea, ignoring anything that doesn't have RENDERTRACE.
+// for each matching line, tokenizes on whitespace and ignores all tokens prior to
+// RENDERTRACE. Additional info can be included at the end of the line, and will be
+// displayed but not parsed. Allowed syntaxes:
+//   <junk> RENDERTRACE <timestamp> rect <color> <x> <y> <width> <height> [extraInfo]
+function loadData() {
+  stopPlay();
+  renderData = [];
+  currentFrame = 0;
+  minX = undefined;
+  minY = undefined;
+  maxX = undefined;
+  maxY = undefined;
+
+  var charPos = 0;
+  var lastLineLength = 0;
+  var lines = trace.value.split(/\r|\n/);
+  for (var i = 0; i < lines.length; i++) {
+    charPos += lastLineLength;
+    lastLineLength = lines[i].length + 1;
+    // skip lines without RENDERTRACE
+    if (!/RENDERTRACE/.test(lines[i])) {
+      continue;
+    }
+
+    var tokens = lines[i].split(/\s+/);
+    var j = 0;
+    // skip tokens until RENDERTRACE
+    // eslint-disable-next-line no-empty
+    while (j < tokens.length && tokens[j++] != "RENDERTRACE") {} // empty loop body
+    if (j >= tokens.length - 2) {
+      log("Error parsing line: " + lines[i]);
+      continue;
+    }
+
+    var timestamp = tokens[j++];
+    var destIndex = renderData.length;
+    if (destIndex == 0) {
+      // create the initial frame
+      renderData.push({
+        timestamp,
+        rects: {},
+      });
+    } else if (renderData[destIndex - 1].timestamp == timestamp) {
+      // timestamp hasn't changed use, so update the previous object
+      destIndex--;
+    } else {
+      // clone a new copy of the last frame and update timestamp
+      renderData.push(JSON.parse(JSON.stringify(renderData[destIndex - 1])));
+      renderData[destIndex].timestamp = timestamp;
+    }
+
+    switch (tokens[j++]) {
+      case "rect":
+        if (j > tokens.length - 5) {
+          log("Error parsing line: " + lines[i]);
+          continue;
+        }
+
+        var rect = {};
+        var color = tokens[j++];
+        renderData[destIndex].rects[color] = rect;
+        rect.x = parseFloat(tokens[j++]);
+        rect.y = parseFloat(tokens[j++]);
+        rect.width = parseFloat(tokens[j++]);
+        rect.height = parseFloat(tokens[j++]);
+        rect.dataText = trace.value.substring(
+          charPos,
+          charPos + lines[i].length
+        );
+
+        if (!getFlag("excludePageFromZoom") || color != "brown") {
+          if (typeof minX == "undefined") {
+            minX = rect.x;
+            minY = rect.y;
+            maxX = rect.x + rect.width;
+            maxY = rect.y + rect.height;
+          } else {
+            minX = Math.min(minX, rect.x);
+            minY = Math.min(minY, rect.y);
+            maxX = Math.max(maxX, rect.x + rect.width);
+            maxY = Math.max(maxY, rect.y + rect.height);
+          }
+        }
+        break;
+
+      default:
+        log("Error parsing line " + lines[i]);
+        break;
+    }
+  }
+
+  if (!renderFrame()) {
+    alert("No data found; nothing to render!");
+  }
+}
+
+// render the current frame (i.e. renderData[currentFrame])
+// returns false if currentFrame is out of bounds, true otherwise
+function renderFrame() {
+  var frame = currentFrame;
+  if (frame < 0 || frame >= renderData.length) {
+    log("Invalid frame index");
+    return false;
+  }
+
+  var canvas = document.getElementById("canvas");
+  if (!canvas.getContext) {
+    log("No canvas context");
+  }
+
+  var context = canvas.getContext("2d");
+
+  // midpoint of the bounding box
+  var midX = (minX + maxX) / 2.0;
+  var midY = (minY + maxY) / 2.0;
+
+  // midpoint of the canvas
+  var cmx = canvas.width / 2.0;
+  var cmy = canvas.height / 2.0;
+
+  // scale factor
+  var scale =
+    CANVAS_USE_RATIO *
+    Math.min(canvas.width / (maxX - minX), canvas.height / (maxY - minY));
+
+  function projectX(value) {
+    return cmx + (value - midX) * scale;
+  }
+
+  function projectY(value) {
+    return cmy + (value - midY) * scale;
+  }
+
+  function drawRect(color, rect) {
+    context.strokeStyle = color;
+    context.strokeRect(
+      projectX(rect.x),
+      projectY(rect.y),
+      rect.width * scale,
+      rect.height * scale
+    );
+  }
+
+  // clear canvas
+  context.fillStyle = "white";
+  context.fillRect(0, 0, canvas.width, canvas.height);
+  var activeData = "";
+  // draw rects
+  for (var i in renderData[frame].rects) {
+    drawRect(i, renderData[frame].rects[i]);
+    activeData += "\n" + renderData[frame].rects[i].dataText;
+  }
+  // draw timestamp and frame counter
+  context.fillStyle = "black";
+  context.fillText(
+    frame + 1 + "/" + renderData.length + ": " + renderData[frame].timestamp,
+    5,
+    15
+  );
+
+  document.getElementById("active").textContent = activeData;
+
+  return true;
+}
+
+// -- Player controls --
+
+function reset(beginning) {
+  currentFrame = beginning ? 0 : renderData.length - 1;
+  renderFrame();
+}
+
+function step(backwards) {
+  if (playing) {
+    togglePlay();
+  }
+  currentFrame += backwards ? -1 : 1;
+  if (!renderFrame()) {
+    currentFrame -= backwards ? -1 : 1;
+  }
+}
+
+function pause() {
+  clearInterval(timerId);
+  playing = false;
+}
+
+function togglePlay() {
+  if (playing) {
+    pause();
+  } else {
+    timerId = setInterval(function () {
+      currentFrame++;
+      if (!renderFrame()) {
+        currentFrame--;
+        togglePlay();
+      }
+    }, FRAME_INTERVAL_MS);
+    playing = true;
+  }
+}
+
+function stopPlay() {
+  if (playing) {
+    togglePlay();
+  }
+  currentFrame = 0;
+  renderFrame();
+}
+
+document.getElementById("pauseButton").addEventListener("click", togglePlay);
+document.getElementById("stopButton").addEventListener("click", stopPlay);
+document
+  .getElementById("enableToggleButton")
+  .addEventListener("click", toggleEnabled);
+document
+  .getElementById("flushReportsButton")
+  .addEventListener("click", flushReports);
+document
+  .getElementById("excludePageFromZoom")
+  .addEventListener("click", loadData);
+document
+  .getElementById("stepForwardButton")
+  .addEventListener("click", function () {
+    step(false);
+  });
+document.getElementById("forwardButton").addEventListener("click", function () {
+  reset(false);
+});
+document.getElementById("rewindButton").addEventListener("click", function () {
+  reset(true);
+});
+document
+  .getElementById("stepBackButton")
+  .addEventListener("click", function () {
+    step(true);
+  });
+window.addEventListener("load", onLoad);
diff --git a/toolkit/components/aboutcheckerboard/jar.mn b/toolkit/components/aboutcheckerboard/jar.mn
new file mode 100644
index 0000000000..5d8cd6729d
--- /dev/null
+++ b/toolkit/components/aboutcheckerboard/jar.mn
@@ -0,0 +1,8 @@
+# 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/.
+
+toolkit.jar:
+  content/global/aboutCheckerboard.js           (content/aboutCheckerboard.js)
+  content/global/aboutCheckerboard.html        (content/aboutCheckerboard.html)
+  content/global/aboutCheckerboard.css          (content/aboutCheckerboard.css)
diff --git a/toolkit/components/aboutcheckerboard/moz.build b/toolkit/components/aboutcheckerboard/moz.build
new file mode 100644
index 0000000000..6d0b2c5000
--- /dev/null
+++ b/toolkit/components/aboutcheckerboard/moz.build
@@ -0,0 +1,10 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+JAR_MANIFESTS += ["jar.mn"]
+
+with Files("**"):
+    BUG_COMPONENT = ("Core", "Panning and Zooming")
author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-07 19:33:14 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-07 19:33:14 +0000
commit	36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree	105e8c98ddea1c1e4784a60a5a6410fa416be2de /toolkit/components/aboutcheckerboard
parent	Initial commit. (diff)
download	firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip