[tbb-commits] [Git][tpo/applications/mullvad-browser][mullvad-browser-115.7.0esr-13.5-1] fixup! Bug 32308: use direct browser sizing for letterboxing.

richard (@richard) git at gitlab.torproject.org
Wed Jan 31 13:45:14 UTC 2024



richard pushed to branch mullvad-browser-115.7.0esr-13.5-1 at The Tor Project / Applications / Mullvad Browser


Commits:
f74a854e by hackademix at 2024-01-31T13:44:56+00:00
fixup! Bug 32308: use direct browser sizing for letterboxing.

Bug 42387: hide visual artifacts and fix the status label on rounded letterboxing borders.

- - - - -


3 changed files:

- browser/base/content/browser.css
- browser/base/content/tabbrowser.js
- toolkit/components/resistfingerprinting/RFPHelper.sys.mjs


Changes:

=====================================
browser/base/content/browser.css
=====================================
@@ -127,6 +127,11 @@ body {
   -moz-window-dragging: drag;
 }
 
+/**
+  Never modify the following selector without synchronizing
+  LETTERBOX_CSS_SELECTOR in RFPHelper.sys.jsm, where
+  --letterboxing-width & --letterboxing-height are actually set.
+**/
 .letterboxing .browserContainer {
   /*
   From Firefox 115 on, .browserContainer layout is flex / column,
@@ -137,6 +142,14 @@ body {
   background: var(--letterboxing-bgcolor);
 }
 
+.browserDecorator {
+  display: none;
+  pointer-events: none;
+  background: transparent;
+  position: relative;
+  z-index: 1;
+}
+
 .letterboxing {
   --letterboxing-border-radius: 8px;
   --letterboxing-border-top-radius: 0;
@@ -145,6 +158,7 @@ body {
   --letterboxing-bgcolor: var(--tabpanel-background-color);
   --letterboxing-gradient-color1: var(--letterboxing-bgcolor);
   --letterboxing-gradient-color2: color-mix(in srgb, var(--chrome-content-separator-color) 50%, var(--letterboxing-bgcolor));
+  --letterboxing-border-color: var(--letterboxing-bgcolor);
 }
 
 .letterboxing.letterboxing-vcenter .browserContainer:not(.responsive-mode) > .browserStack:not(.exclude-letterboxing) {
@@ -157,6 +171,26 @@ body {
   box-shadow: rgba(0, 0, 0, 0.5) 0px -1px 2px;
 }
 
+:root:not([inDOMFullscreen]) .letterboxing .browserContainer:not(.responsive-mode)
+  > .browserStack:not(.exclude-letterboxing)
+  > .browserDecorator {
+  display: initial;
+  visibility: visible;
+  border-radius: var(--letterboxing-border-radius);
+  border-top-left-radius: var(--letterboxing-border-top-radius);
+  border-top-right-radius: var(--letterboxing-border-top-radius);
+  box-shadow: var(--letterboxing-border-color) 0px 0px .1px inset, var(--letterboxing-border-color) 0 0 .1px;
+  border: .1px solid var(--letterboxing-border-color);
+  outline: .1px solid var(--letterboxing-bgcolor);
+  height: calc(var(--letterboxing-height) + 1px);
+  top: -1px;
+}
+
+.letterboxing-vcenter .browserDecorator {
+  height: auto !important;
+  top: 0 !important;
+}
+
 /*
   Align status bar with content.
   TODO: switch to nested CSS selectors for conciseness when available (Firefox >= 117)
@@ -167,6 +201,7 @@ body {
   place-self: end left;
   left: 0;
   right: 0;
+  z-index: 2;
   --letterboxing-status-left-radius: var(--letterboxing-border-radius);
   --letterboxing-status-right-radius: 0;
 }
@@ -184,23 +219,24 @@ body {
 .letterboxing .browserContainer:not(.responsive-mode) > .browserStack:not(.exclude-letterboxing)
 #statuspanel-label {
   border-radius: 0 0 var(--letterboxing-status-right-radius) var(--letterboxing-status-left-radius);
+  margin: 0;
+  border: 1px solid var(--letterboxing-border-color);
+  max-width: calc(var(--letterboxing-width) * .5);
 }
 
-/**
-  Never modify the following selector without synchronizing
-  LETTERBOX_CSS_SELECTOR in RFPHelper.jsm!
-**/
 .letterboxing .browserContainer:not(.responsive-mode) > .browserStack:not(.exclude-letterboxing) > browser {
-  /* width & height to be dynamically set by RFPHelper.jsm */
   box-shadow: 0px 4px 8px 0px var(--letterboxing-shadow-color);
   border-radius: var(--letterboxing-border-radius);
   border-top-left-radius: var(--letterboxing-border-top-radius);
   border-top-right-radius: var(--letterboxing-border-top-radius);
+  width: var(--letterboxing-width) !important;
+  height: var(--letterboxing-height) !important;
 }
 
 :root:not([inDOMFullscreen]) .letterboxing.letterboxing-ready .browserContainer:not(.responsive-mode)
   > .browserStack:not(.exclude-letterboxing) {
   place-content: var(--letterboxing-vertical-alignment) center;
+  background: var(--letterboxing-bgcolor);
 }
 
 #toolbar-menubar[autohide="true"] {


=====================================
browser/base/content/tabbrowser.js
=====================================
@@ -2238,6 +2238,10 @@
       stack.className = "browserStack";
       stack.appendChild(b);
 
+      let decorator = document.createXULElement("hbox");
+      decorator.className = "browserDecorator";
+      stack.appendChild(decorator);
+
       let browserContainer = document.createXULElement("vbox");
       browserContainer.className = "browserContainer";
       browserContainer.appendChild(notificationbox);


=====================================
toolkit/components/resistfingerprinting/RFPHelper.sys.mjs
=====================================
@@ -447,8 +447,7 @@ class _RFPHelper {
       // find the rule applying the default letterboxing styles to browsers
       // preemptively in order to beat race conditions on tab/window creation
       const LETTERBOX_CSS_URL = "chrome://browser/content/browser.css";
-      const LETTERBOX_CSS_SELECTOR =
-        ".letterboxing .browserContainer:not(.responsive-mode) > .browserStack:not(.exclude-letterboxing) > browser";
+      const LETTERBOX_CSS_SELECTOR = ".letterboxing .browserContainer";
       for (let ss of document.styleSheets) {
         if (ss.href !== LETTERBOX_CSS_URL) {
           continue;
@@ -572,8 +571,8 @@ class _RFPHelper {
       const r = (width, height) => {
         lastRoundedSize = {width, height};
         return {
-          width: `var(--rdm-width, ${width}px)`,
-          height: `var(--rdm-height, ${height}px)`,
+          "--letterboxing-width": `var(--rdm-width, ${width}px)`,
+          "--letterboxing-height": `var(--rdm-height, ${height}px)`,
         }
       };
 
@@ -637,7 +636,7 @@ class _RFPHelper {
         for (let [name, value] of Object.entries(props)) {
           if (style[name] !== value) {
             this.push(() => {
-              style.setProperty(name, value, "important");
+              style.setProperty(name, value);
             });
           }
         }
@@ -668,8 +667,11 @@ class _RFPHelper {
         ? // optional UI components such as the notification box, the find bar
           // or devtools are constraining this browser's size: recompute custom
           roundDimensions(parentWidth, parentHeight)
-        : { width: "", height: "" }; // otherwise we can keep the default (rounded) size
-    styleChanges.queueIfNeeded(aBrowser, roundedInline);
+        : {
+          "--letterboxing-width": "",
+          "--letterboxing-height": "",
+        }; // otherwise we can keep the default (rounded) size
+    styleChanges.queueIfNeeded(browserParent, roundedInline);
 
     if (lastRoundedSize) {
       // check wether the letterboxing margin is less than the border radius, and if so flatten the borders



View it on GitLab: https://gitlab.torproject.org/tpo/applications/mullvad-browser/-/commit/f74a854ec9c05c9b941bee1f20fe8aff12cf6209

-- 
View it on GitLab: https://gitlab.torproject.org/tpo/applications/mullvad-browser/-/commit/f74a854ec9c05c9b941bee1f20fe8aff12cf6209
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