Switch to titleBarStyle for custom window buttons on hover

atom/browser/native_window_mac.h

@@ -127,13 +127,12 @@ class NativeWindowMac : public NativeWindow,
     NORMAL,
     HIDDEN,
     HIDDEN_INSET,
+    CUSTOM_BUTTONS_ON_HOVER,
   };
   TitleBarStyle title_bar_style() const { return title_bar_style_; }
 
   bool zoom_to_page_width() const { return zoom_to_page_width_; }
 
-  bool custom_window_buttons() const { return custom_window_buttons_; }
-
  protected:
   // Return a vector of non-draggable regions that fill a window of size
   // |width| by |height|, but leave gaps where the window should be draggable.
@@ -178,8 +177,6 @@ class NativeWindowMac : public NativeWindow,
 
   bool zoom_to_page_width_;
 
-  bool custom_window_buttons_;
-
   NSInteger attention_request_id_;  // identifier from requestUserAttention
 
   // The presentation options before entering kiosk mode.

atom/browser/native_window_mac.mm

@@ -701,14 +701,14 @@ enum {
 // Custom window button methods
 
 - (void)performClose:(id)sender {
-  if (shell_->custom_window_buttons())
+  if (shell_->title_bar_style() == atom::NativeWindowMac::CUSTOM_BUTTONS_ON_HOVER)
     [[self delegate] windowShouldClose:self];
   else
     [super performClose:sender];
 }
 
 - (void)performMiniaturize:(id)sender {
-  if (shell_->custom_window_buttons())
+  if (shell_->title_bar_style() == atom::NativeWindowMac::CUSTOM_BUTTONS_ON_HOVER)
     [self miniaturize:self];
   else
     [super performMiniaturize:sender];
@@ -782,6 +782,8 @@ struct Converter<atom::NativeWindowMac::TitleBarStyle> {
     } else if (title_bar_style == "hidden-inset" ||  // Deprecate this after 2.0
                title_bar_style == "hiddenInset") {
       *out = atom::NativeWindowMac::HIDDEN_INSET;
+    } else if (title_bar_style == "customButtonsOnHover") {
+      *out = atom::NativeWindowMac::CUSTOM_BUTTONS_ON_HOVER;
     } else {
       return false;
     }
@@ -802,7 +804,6 @@ NativeWindowMac::NativeWindowMac(
       is_kiosk_(false),
       was_fullscreen_(false),
       zoom_to_page_width_(false),
-      custom_window_buttons_(false),
       attention_request_id_(0),
       title_bar_style_(NORMAL) {
   int width = 800, height = 600;
@@ -844,10 +845,8 @@ NativeWindowMac::NativeWindowMac(
     useStandardWindow = false;
   }
 
-  options.Get(options::kCustomWindowButtons, &custom_window_buttons_);
-
   NSUInteger styleMask = NSTitledWindowMask;
-  if (custom_window_buttons_ &&
+  if (title_bar_style_ == CUSTOM_BUTTONS_ON_HOVER &&
       base::mac::IsAtLeastOS10_10() &&
       (!useStandardWindow || transparent() || !has_frame())) {
     styleMask = NSFullSizeContentViewWindowMask;
@@ -906,7 +905,7 @@ NativeWindowMac::NativeWindowMac(
   if (transparent() || !has_frame()) {
     if (base::mac::IsAtLeastOS10_10()) {
       // Don't show title bar.
-      if (custom_window_buttons_) {
+      if (title_bar_style_ == CUSTOM_BUTTONS_ON_HOVER) {
         [window_ setTitlebarAppearsTransparent:YES];
       }
       [window_ setTitleVisibility:NSWindowTitleHidden];
@@ -1692,7 +1691,7 @@ void NativeWindowMac::InstallView() {
     // The fullscreen button should always be hidden for frameless window.
     [[window_ standardWindowButton:NSWindowFullScreenButton] setHidden:YES];
 
-    if (custom_window_buttons_) {
+    if (title_bar_style_ == CUSTOM_BUTTONS_ON_HOVER) {
       NSView* buttons = [[SemaphoreView alloc] initWithFrame:NSZeroRect];
       buttons.frame = CGRectMake(0,
           [content_view_ bounds].size.height - buttons.frame.size.height,

docs/api/browser-window.md

@@ -191,14 +191,20 @@ It creates a new `BrowserWindow` with native properties as set by the `options`.
     Default is `false`.
   * `type` String (optional) - The type of window, default is normal window. See more about
     this below.
-  * `titleBarStyle` String (optional) - The style of window title bar. Default is `default`. Possible values are:
+  * `titleBarStyle` String (optional) - The style of window title bar.
+    Default is `default`. Possible values are:
     * `default` - Results in the standard gray opaque Mac title
       bar.
     * `hidden` - Results in a hidden title bar and a full size content window, yet
       the title bar still has the standard window controls ("traffic lights") in
       the top left.
-    * `hidden-inset` - Results in a hidden title bar with an alternative look
+    * `hiddenInset` - Results in a hidden title bar with an alternative look
       where the traffic light buttons are slightly more inset from the window edge.
+    * `customButtonsOnHover` Boolean (optional) - Draw custom close, minimize,
+      and full screen buttons on macOS frameless windows. These buttons will not
+      display unless hovered over in the top left of the window. These custom
+      buttons prevent issues with mouse events that occur with the standard
+      window toolbar buttons. **Note:** This option is currently experimental.
   * `thickFrame` Boolean (optional) - Use `WS_THICKFRAME` style for frameless windows on
     Windows, which adds standard window frame. Setting it to `false` will remove
     window shadow and window animations. Default is `true`.
@@ -214,11 +220,6 @@ It creates a new `BrowserWindow` with native properties as set by the `options`.
   * `tabbingIdentifier` String (optional) - Tab group name, allows opening the
     window as a native tab on macOS 10.12+. Windows with the same tabbing
     identifier will be grouped together.
-  * `customWindowButtons` Boolean (optional) - Draw custom close, minimize,
-    and full screen buttons on macOS frameless windows. These buttons will not
-    display unless hovered over in the top left of the window. These custom
-    buttons prevent issues with mouse events that occur with the standard
-    window toolbar buttons. **Note:** This option is currently experimental.
   * `webPreferences` Object (optional) - Settings of web page's features.
     * `devTools` Boolean (optional) - Whether to enable DevTools. If it is set to `false`, can not use `BrowserWindow.webContents.openDevTools()` to open DevTools. Default is `true`.
     * `nodeIntegration` Boolean (optional) - Whether node integration is enabled. Default