From 3bb7257e5d745c6af0fca38d11480fc8fb0b4476 Mon Sep 17 00:00:00 2001
From: samuelmaddock <samuel.maddock@gmail.com>
Date: Wed, 1 Sep 2021 18:36:45 -0400
Subject: [PATCH 1/3] fix: show maximized frameless window

---
 shell/browser/native_window_views.cc | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/shell/browser/native_window_views.cc b/shell/browser/native_window_views.cc
index f027c624b2852..0a23687e021a2 100644
--- a/shell/browser/native_window_views.cc
+++ b/shell/browser/native_window_views.cc
@@ -1582,8 +1582,17 @@ void NativeWindowViews::OnMouseEvent(ui::MouseEvent* event) {
 }
 
 ui::WindowShowState NativeWindowViews::GetRestoredState() {
-  if (IsMaximized())
+  if (IsMaximized()) {
+#if defined(OS_WIN)
+    // Only restore Maximized state when window is NOT transparent style
+    if (!transparent()) {
+      return ui::SHOW_STATE_MAXIMIZED;
+    }
+#else
     return ui::SHOW_STATE_MAXIMIZED;
+#endif
+  }
+
   if (IsFullscreen())
     return ui::SHOW_STATE_FULLSCREEN;
 

From 1a1f42d0256a006fcf12914ea4f00040945ef94a Mon Sep 17 00:00:00 2001
From: samuelmaddock <samuel.maddock@gmail.com>
Date: Wed, 1 Sep 2021 20:00:09 -0400
Subject: [PATCH 2/3] test: show maximized transparent window

---
 spec-main/api-browser-window-spec.ts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/spec-main/api-browser-window-spec.ts b/spec-main/api-browser-window-spec.ts
index a85ad8ce4aa05..570625dccda80 100644
--- a/spec-main/api-browser-window-spec.ts
+++ b/spec-main/api-browser-window-spec.ts
@@ -4676,4 +4676,32 @@ describe('BrowserWindow module', () => {
       });
     });
   });
+
+  describe('"transparent" option', () => {
+    afterEach(closeAllWindows);
+
+    // Only applicable on Windows where transparent windows can't be maximized.
+    ifit(process.platform === 'win32')('can show maximized frameless window', async () => {
+      const display = screen.getPrimaryDisplay();
+
+      const w = new BrowserWindow({
+        ...display.bounds,
+        frame: false,
+        transparent: true,
+        show: true
+      });
+
+      w.loadURL('about:blank');
+      await emittedOnce(w, 'ready-to-show');
+
+      expect(w.isMaximized()).to.be.true();
+
+      // Fails when the transparent HWND is in an invalid maximized state.
+      expect(w.getBounds()).to.deep.equal(display.bounds);
+
+      const newBounds = { width: 256, height: 256, x: 0, y: 0 };
+      w.setBounds(newBounds);
+      expect(w.getBounds()).to.deep.equal(newBounds);
+    });
+  });
 });

From 92ef756ba24abb0375a22706a925d97ad07d7cfd Mon Sep 17 00:00:00 2001
From: samuelmaddock <samuel.maddock@gmail.com>
Date: Thu, 2 Sep 2021 13:51:29 -0400
Subject: [PATCH 3/3] fix: test using wrong bounds

BrowserWindow will be sized to the workArea when the Windows taskbar is
visible.
---
 spec-main/api-browser-window-spec.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spec-main/api-browser-window-spec.ts b/spec-main/api-browser-window-spec.ts
index 570625dccda80..f300076918a92 100644
--- a/spec-main/api-browser-window-spec.ts
+++ b/spec-main/api-browser-window-spec.ts
@@ -4697,7 +4697,7 @@ describe('BrowserWindow module', () => {
       expect(w.isMaximized()).to.be.true();
 
       // Fails when the transparent HWND is in an invalid maximized state.
-      expect(w.getBounds()).to.deep.equal(display.bounds);
+      expect(w.getBounds()).to.deep.equal(display.workArea);
 
       const newBounds = { width: 256, height: 256, x: 0, y: 0 };
       w.setBounds(newBounds);