Title: [192184] trunk
Revision
192184
Author
timothy_hor...@apple.com
Date
2015-11-09 16:03:28 -0800 (Mon, 09 Nov 2015)

Log Message

Add drawsBackground SPI to WKWebView, and get rid of drawsTransparentBackground from WebKit2
https://bugs.webkit.org/show_bug.cgi?id=151054
<rdar://problem/22907994>

Reviewed by Simon Fraser.

* Shared/WebPageCreationParameters.cpp:
(WebKit::WebPageCreationParameters::encode): Deleted.
(WebKit::WebPageCreationParameters::decode): Deleted.
* Shared/WebPageCreationParameters.h:
* UIProcess/API/mac/WKView.mm:
(-[WKView setDrawsTransparentBackground:]):
(-[WKView drawsTransparentBackground]):
* UIProcess/Cocoa/WebViewImpl.h:
* UIProcess/Cocoa/WebViewImpl.mm:
(WebKit::WebViewImpl::updateLayer):
(WebKit::WebViewImpl::setDrawsTransparentBackground): Deleted.
(WebKit::WebViewImpl::drawsTransparentBackground): Deleted.
* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::WebPageProxy): Deleted.
(WebKit::WebPageProxy::setDrawsTransparentBackground): Deleted.
(WebKit::WebPageProxy::creationParameters): Deleted.
* UIProcess/WebPageProxy.h:
(WebKit::WebPageProxy::drawsTransparentBackground): Deleted.
* UIProcess/mac/WebInspectorProxyMac.mm:
(WebKit::WebInspectorProxy::platformCreateInspectorPage):
* WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp:
(WebKit::WebFrameLoaderClient::transitionToCommittedForNewPage):
* WebProcess/WebPage/WebPage.cpp:
(WebKit::WebPage::WebPage): Deleted.
(WebKit::m_shouldDispatchFakeMouseMoveEvents): Deleted.
(WebKit::WebPage::setDrawsTransparentBackground): Deleted.
* WebProcess/WebPage/WebPage.h:
(WebKit::WebPage::drawsTransparentBackground): Deleted.
* WebProcess/WebPage/WebPage.messages.in:
Get rid of drawsTransparentBackground. It doesn't seem like there's any observable
difference in a layer-backed world. WKView's (set)drawsTransparentBackground
will just forward to drawsBackground (inverted).

* UIProcess/API/Cocoa/WKWebView.mm:
(-[WKWebView _webProcessIsResponsive]):
Move _webProcessIsResponsive up with the other cross-platform SPI methods, instead
of below all of the platform-specific SPI methods.

(-[WKWebView _drawsBackground]):
(-[WKWebView _setDrawsBackground:]):
Added.

(-[WKWebView _drawsTransparentBackground]):
(-[WKWebView _setDrawsTransparentBackground:]):
Deleted.

* UIProcess/API/Cocoa/WKWebViewPrivate.h:
Replace drawsTransparentBackground with drawsBackground.

* MiniBrowser/mac/WK1BrowserWindowController.m:
(-[WK1BrowserWindowController didChangeSettings]):
* MiniBrowser/mac/WK2BrowserWindowController.m:
(-[WK2BrowserWindowController didChangeSettings]):
Use drawsBackground instead, and make sure to set the window background color,
otherwise it might end up being gray anyway!

WebKit1 still doesn't work unless you turn off toolbar blurring, but at least
WebKit2 is working now!

Modified Paths

Diff

Modified: trunk/Source/WebKit2/ChangeLog (192183 => 192184)


--- trunk/Source/WebKit2/ChangeLog	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/ChangeLog	2015-11-10 00:03:28 UTC (rev 192184)
@@ -1,3 +1,60 @@
+2015-11-09  Tim Horton  <timothy_hor...@apple.com>
+
+        Add drawsBackground SPI to WKWebView, and get rid of drawsTransparentBackground from WebKit2
+        https://bugs.webkit.org/show_bug.cgi?id=151054
+        <rdar://problem/22907994>
+
+        Reviewed by Simon Fraser.
+
+        * Shared/WebPageCreationParameters.cpp:
+        (WebKit::WebPageCreationParameters::encode): Deleted.
+        (WebKit::WebPageCreationParameters::decode): Deleted.
+        * Shared/WebPageCreationParameters.h:
+        * UIProcess/API/mac/WKView.mm:
+        (-[WKView setDrawsTransparentBackground:]):
+        (-[WKView drawsTransparentBackground]):
+        * UIProcess/Cocoa/WebViewImpl.h:
+        * UIProcess/Cocoa/WebViewImpl.mm:
+        (WebKit::WebViewImpl::updateLayer):
+        (WebKit::WebViewImpl::setDrawsTransparentBackground): Deleted.
+        (WebKit::WebViewImpl::drawsTransparentBackground): Deleted.
+        * UIProcess/WebPageProxy.cpp:
+        (WebKit::WebPageProxy::WebPageProxy): Deleted.
+        (WebKit::WebPageProxy::setDrawsTransparentBackground): Deleted.
+        (WebKit::WebPageProxy::creationParameters): Deleted.
+        * UIProcess/WebPageProxy.h:
+        (WebKit::WebPageProxy::drawsTransparentBackground): Deleted.
+        * UIProcess/mac/WebInspectorProxyMac.mm:
+        (WebKit::WebInspectorProxy::platformCreateInspectorPage):
+        * WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp:
+        (WebKit::WebFrameLoaderClient::transitionToCommittedForNewPage):
+        * WebProcess/WebPage/WebPage.cpp:
+        (WebKit::WebPage::WebPage): Deleted.
+        (WebKit::m_shouldDispatchFakeMouseMoveEvents): Deleted.
+        (WebKit::WebPage::setDrawsTransparentBackground): Deleted.
+        * WebProcess/WebPage/WebPage.h:
+        (WebKit::WebPage::drawsTransparentBackground): Deleted.
+        * WebProcess/WebPage/WebPage.messages.in:
+        Get rid of drawsTransparentBackground. It doesn't seem like there's any observable
+        difference in a layer-backed world. WKView's (set)drawsTransparentBackground
+        will just forward to drawsBackground (inverted).
+
+        * UIProcess/API/Cocoa/WKWebView.mm:
+        (-[WKWebView _webProcessIsResponsive]):
+        Move _webProcessIsResponsive up with the other cross-platform SPI methods, instead
+        of below all of the platform-specific SPI methods.
+
+        (-[WKWebView _drawsBackground]):
+        (-[WKWebView _setDrawsBackground:]):
+        Added.
+
+        (-[WKWebView _drawsTransparentBackground]):
+        (-[WKWebView _setDrawsTransparentBackground:]):
+        Deleted.
+        
+        * UIProcess/API/Cocoa/WKWebViewPrivate.h:
+        Replace drawsTransparentBackground with drawsBackground.
+
 2015-11-09  Joseph Pecoraro  <pecor...@apple.com>
 
         Web Inspector: REGRESSION: 2nd level inspector should not be able to dock to first

Modified: trunk/Source/WebKit2/Shared/WebPageCreationParameters.cpp (192183 => 192184)


--- trunk/Source/WebKit2/Shared/WebPageCreationParameters.cpp	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/Shared/WebPageCreationParameters.cpp	2015-11-10 00:03:28 UTC (rev 192184)
@@ -40,7 +40,6 @@
     encoder << pageGroupData;
     encoder << drawsBackground;
     encoder << isEditable;
-    encoder << drawsTransparentBackground;
     encoder << underlayColor;
     encoder << useFixedLayout;
     encoder << fixedLayoutSize;
@@ -102,8 +101,6 @@
         return false;
     if (!decoder.decode(parameters.isEditable))
         return false;
-    if (!decoder.decode(parameters.drawsTransparentBackground))
-        return false;
     if (!decoder.decode(parameters.underlayColor))
         return false;
     if (!decoder.decode(parameters.useFixedLayout))

Modified: trunk/Source/WebKit2/Shared/WebPageCreationParameters.h (192183 => 192184)


--- trunk/Source/WebKit2/Shared/WebPageCreationParameters.h	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/Shared/WebPageCreationParameters.h	2015-11-10 00:03:28 UTC (rev 192184)
@@ -65,7 +65,6 @@
     WebPageGroupData pageGroupData;
 
     bool drawsBackground;
-    bool drawsTransparentBackground;
     bool isEditable;
 
     WebCore::Color underlayColor;

Modified: trunk/Source/WebKit2/UIProcess/API/Cocoa/WKWebView.mm (192183 => 192184)


--- trunk/Source/WebKit2/UIProcess/API/Cocoa/WKWebView.mm	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/UIProcess/API/Cocoa/WKWebView.mm	2015-11-10 00:03:28 UTC (rev 192184)
@@ -3522,6 +3522,11 @@
 #endif
 }
 
+- (BOOL)_webProcessIsResponsive
+{
+    return _page->process().responsivenessTimer().isResponsive();
+}
+
 #pragma mark iOS-specific methods
 
 #if PLATFORM(IOS)
@@ -3940,14 +3945,14 @@
 
 #pragma mark - OS X-specific methods
 
-- (BOOL)_drawsTransparentBackground
+- (BOOL)_drawsBackground
 {
-    return _impl->drawsTransparentBackground();
+    return _impl->drawsBackground();
 }
 
-- (void)_setDrawsTransparentBackground:(BOOL)drawsTransparentBackground
+- (void)_setDrawsBackground:(BOOL)drawsBackground
 {
-    _impl->setDrawsTransparentBackground(drawsTransparentBackground);
+    _impl->setDrawsBackground(drawsBackground);
 }
 
 #if WK_API_ENABLED
@@ -4031,11 +4036,6 @@
 
 #endif
 
-- (BOOL)_webProcessIsResponsive
-{
-    return _page->process().responsivenessTimer().isResponsive();
-}
-
 @end
 
 

Modified: trunk/Source/WebKit2/UIProcess/API/Cocoa/WKWebViewPrivate.h (192183 => 192184)


--- trunk/Source/WebKit2/UIProcess/API/Cocoa/WKWebViewPrivate.h	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/UIProcess/API/Cocoa/WKWebViewPrivate.h	2015-11-10 00:03:28 UTC (rev 192184)
@@ -169,7 +169,7 @@
 
 #else
 @property (readonly) NSColor *_pageExtendedBackgroundColor;
-@property (nonatomic, setter=_setDrawsTransparentBackground:) BOOL _drawsTransparentBackground;
+@property (nonatomic, setter=_setDrawsBackground:) BOOL _drawsBackground;
 @property (nonatomic, setter=_setTopContentInset:) CGFloat _topContentInset;
 
 #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000

Modified: trunk/Source/WebKit2/UIProcess/API/mac/WKView.mm (192183 => 192184)


--- trunk/Source/WebKit2/UIProcess/API/mac/WKView.mm	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/UIProcess/API/mac/WKView.mm	2015-11-10 00:03:28 UTC (rev 192184)
@@ -99,12 +99,12 @@
 
 - (void)setDrawsTransparentBackground:(BOOL)drawsTransparentBackground
 {
-    _data->_impl->setDrawsTransparentBackground(drawsTransparentBackground);
+    _data->_impl->setDrawsBackground(!drawsTransparentBackground);
 }
 
 - (BOOL)drawsTransparentBackground
 {
-    return _data->_impl->drawsTransparentBackground();
+    return !_data->_impl->drawsBackground();
 }
 
 - (BOOL)acceptsFirstResponder

Modified: trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.h (192183 => 192184)


--- trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.h	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.h	2015-11-10 00:03:28 UTC (rev 192184)
@@ -122,8 +122,6 @@
 
     void setDrawsBackground(bool);
     bool drawsBackground() const;
-    void setDrawsTransparentBackground(bool);
-    bool drawsTransparentBackground() const;
     bool isOpaque() const;
 
     bool acceptsFirstMouse(NSEvent *);

Modified: trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.mm (192183 => 192184)


--- trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.mm	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/UIProcess/Cocoa/WebViewImpl.mm	2015-11-10 00:03:28 UTC (rev 192184)
@@ -549,16 +549,6 @@
     return m_page->drawsBackground();
 }
 
-void WebViewImpl::setDrawsTransparentBackground(bool drawsTransparentBackground)
-{
-    m_page->setDrawsTransparentBackground(drawsTransparentBackground);
-}
-
-bool WebViewImpl::drawsTransparentBackground() const
-{
-    return m_page->drawsTransparentBackground();
-}
-
 bool WebViewImpl::isOpaque() const
 {
     return m_page->drawsBackground();
@@ -825,10 +815,7 @@
 
 void WebViewImpl::updateLayer()
 {
-    if (drawsBackground() && !drawsTransparentBackground())
-        m_view.layer.backgroundColor = CGColorGetConstantColor(kCGColorWhite);
-    else
-        m_view.layer.backgroundColor = CGColorGetConstantColor(kCGColorClear);
+    m_view.layer.backgroundColor = CGColorGetConstantColor(drawsBackground() ? kCGColorWhite : kCGColorClear);
 
     // If asynchronous geometry updates have been sent by forceAsyncDrawingAreaSizeUpdate,
     // then subsequent calls to setFrameSize should not result in us waiting for the did

Modified: trunk/Source/WebKit2/UIProcess/CoordinatedGraphics/WebView.cpp (192183 => 192184)


--- trunk/Source/WebKit2/UIProcess/CoordinatedGraphics/WebView.cpp	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/UIProcess/CoordinatedGraphics/WebView.cpp	2015-11-10 00:03:28 UTC (rev 192184)
@@ -173,12 +173,12 @@
 
 void WebView::setDrawsTransparentBackground(bool transparentBackground)
 {
-    m_page->setDrawsTransparentBackground(transparentBackground);
+    m_page->setDrawsBackground(!transparentBackground);
 }
 
 bool WebView::drawsTransparentBackground() const
 {
-    return m_page->drawsTransparentBackground();
+    return !m_page->drawsBackground();
 }
 
 void WebView::suspendActiveDOMObjectsAndAnimations()

Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp (192183 => 192184)


--- trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp	2015-11-10 00:03:28 UTC (rev 192184)
@@ -361,7 +361,6 @@
     , m_topContentInset(0)
     , m_layerHostingMode(LayerHostingMode::InProcess)
     , m_drawsBackground(true)
-    , m_drawsTransparentBackground(false)
     , m_useFixedLayout(false)
     , m_suppressScrollbarAnimations(false)
     , m_paginationMode(Pagination::Unpaginated)
@@ -1245,17 +1244,6 @@
         m_process->send(Messages::WebPage::SetDrawsBackground(drawsBackground), m_pageID);
 }
 
-void WebPageProxy::setDrawsTransparentBackground(bool drawsTransparentBackground)
-{
-    if (m_drawsTransparentBackground == drawsTransparentBackground)
-        return;
-
-    m_drawsTransparentBackground = drawsTransparentBackground;
-
-    if (isValid())
-        m_process->send(Messages::WebPage::SetDrawsTransparentBackground(drawsTransparentBackground), m_pageID);
-}
-
 void WebPageProxy::setTopContentInset(float contentInset)
 {
     if (m_topContentInset == contentInset)
@@ -5094,7 +5082,6 @@
     parameters.pageGroupData = m_pageGroup->data();
     parameters.drawsBackground = m_drawsBackground;
     parameters.isEditable = m_isEditable;
-    parameters.drawsTransparentBackground = m_drawsTransparentBackground;
     parameters.underlayColor = m_underlayColor;
     parameters.useFixedLayout = m_useFixedLayout;
     parameters.fixedLayoutSize = m_fixedLayoutSize;

Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.h (192183 => 192184)


--- trunk/Source/WebKit2/UIProcess/WebPageProxy.h	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.h	2015-11-10 00:03:28 UTC (rev 192184)
@@ -385,9 +385,6 @@
     bool drawsBackground() const { return m_drawsBackground; }
     void setDrawsBackground(bool);
 
-    bool drawsTransparentBackground() const { return m_drawsTransparentBackground; }
-    void setDrawsTransparentBackground(bool);
-
     float topContentInset() const { return m_topContentInset; }
     void setTopContentInset(float);
 
@@ -1599,7 +1596,6 @@
     LayerHostingMode m_layerHostingMode;
 
     bool m_drawsBackground;
-    bool m_drawsTransparentBackground;
 
     WebCore::Color m_underlayColor;
     WebCore::Color m_pageExtendedBackgroundColor;

Modified: trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp (192183 => 192184)


--- trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp	2015-11-10 00:03:28 UTC (rev 192184)
@@ -1290,7 +1290,7 @@
 {
     WebPage* webPage = m_frame->page();
 
-    Color backgroundColor = webPage->drawsTransparentBackground() ? Color::transparent : Color::white;
+    Color backgroundColor = webPage->drawsBackground() ? Color::white : Color::transparent;
     bool isMainFrame = m_frame->isMainFrame();
     bool isTransparent = !webPage->drawsBackground();
     bool shouldUseFixedLayout = isMainFrame && webPage->useFixedLayout();

Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp (192183 => 192184)


--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp	2015-11-10 00:03:28 UTC (rev 192184)
@@ -261,7 +261,6 @@
     , m_hasSeenPlugin(false)
     , m_useFixedLayout(false)
     , m_drawsBackground(true)
-    , m_drawsTransparentBackground(false)
     , m_isInRedo(false)
     , m_isClosed(false)
     , m_tabToLinks(false)
@@ -436,7 +435,6 @@
     setUseFixedLayout(parameters.useFixedLayout);
 
     setDrawsBackground(parameters.drawsBackground);
-    setDrawsTransparentBackground(parameters.drawsTransparentBackground);
 
     setUnderlayColor(parameters.underlayColor);
 
@@ -2264,23 +2262,6 @@
     m_drawingArea->setNeedsDisplay();
 }
 
-void WebPage::setDrawsTransparentBackground(bool drawsTransparentBackground)
-{
-    if (m_drawsTransparentBackground == drawsTransparentBackground)
-        return;
-
-    m_drawsTransparentBackground = drawsTransparentBackground;
-
-    Color backgroundColor = drawsTransparentBackground ? Color::transparent : Color::white;
-    for (Frame* coreFrame = m_mainFrame->coreFrame(); coreFrame; coreFrame = coreFrame->tree().traverseNext()) {
-        if (FrameView* view = coreFrame->view())
-            view->setBaseBackgroundColor(backgroundColor);
-    }
-
-    m_drawingArea->pageBackgroundTransparencyChanged();
-    m_drawingArea->setNeedsDisplay();
-}
-
 void WebPage::setTopContentInset(float contentInset)
 {
     if (contentInset == m_page->topContentInset())

Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h (192183 => 192184)


--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h	2015-11-10 00:03:28 UTC (rev 192184)
@@ -400,7 +400,6 @@
     void postInjectedBundleMessage(const String& messageName, const UserData&);
 
     bool drawsBackground() const { return m_drawsBackground; }
-    bool drawsTransparentBackground() const { return m_drawsTransparentBackground; }
 
     void setUnderlayColor(const WebCore::Color& color) { m_underlayColor = color; }
     WebCore::Color underlayColor() const { return m_underlayColor; }
@@ -1029,7 +1028,6 @@
 #endif
 
     void setDrawsBackground(bool);
-    void setDrawsTransparentBackground(bool);
 
     void setTopContentInset(float);
 
@@ -1197,7 +1195,6 @@
     bool m_useFixedLayout;
 
     bool m_drawsBackground;
-    bool m_drawsTransparentBackground;
 
     WebCore::Color m_underlayColor;
 

Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in (192183 => 192184)


--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in	2015-11-10 00:03:28 UTC (rev 192184)
@@ -28,7 +28,6 @@
     SetSessionID(WebCore::SessionID sessionID)
 
     SetDrawsBackground(bool drawsBackground)
-    SetDrawsTransparentBackground(bool drawsTransparentBackground)
 
     SetTopContentInset(float contentInset)
 

Modified: trunk/Tools/ChangeLog (192183 => 192184)


--- trunk/Tools/ChangeLog	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Tools/ChangeLog	2015-11-10 00:03:28 UTC (rev 192184)
@@ -1,3 +1,21 @@
+2015-11-09  Tim Horton  <timothy_hor...@apple.com>
+
+        Add drawsBackground SPI to WKWebView, and get rid of drawsTransparentBackground from WebKit2
+        https://bugs.webkit.org/show_bug.cgi?id=151054
+        <rdar://problem/22907994>
+
+        Reviewed by Simon Fraser.
+
+        * MiniBrowser/mac/WK1BrowserWindowController.m:
+        (-[WK1BrowserWindowController didChangeSettings]):
+        * MiniBrowser/mac/WK2BrowserWindowController.m:
+        (-[WK2BrowserWindowController didChangeSettings]):
+        Use drawsBackground instead, and make sure to set the window background color,
+        otherwise it might end up being gray anyway!
+
+        WebKit1 still doesn't work unless you turn off toolbar blurring, but at least
+        WebKit2 is working now!
+
 2015-11-09  Isaac Devine  <is...@devinesystems.co.nz>
 
         Fresh checkout fails to build on windows, DumpRenderTree can't find cairo_win.h

Modified: trunk/Tools/MiniBrowser/mac/WK1BrowserWindowController.m (192183 => 192184)


--- trunk/Tools/MiniBrowser/mac/WK1BrowserWindowController.m	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Tools/MiniBrowser/mac/WK1BrowserWindowController.m	2015-11-10 00:03:28 UTC (rev 192184)
@@ -264,6 +264,7 @@
     BOOL useTransparentWindows = settings.useTransparentWindows;
     if (useTransparentWindows != !self.window.isOpaque) {
         [self.window setOpaque:!useTransparentWindows];
+        [self.window setBackgroundColor:[NSColor clearColor]];
         [self.window setHasShadow:!useTransparentWindows];
 
         [_webView setBackgroundColor:useTransparentWindows ? [NSColor clearColor] : [NSColor whiteColor]];

Modified: trunk/Tools/MiniBrowser/mac/WK2BrowserWindowController.m (192183 => 192184)


--- trunk/Tools/MiniBrowser/mac/WK2BrowserWindowController.m	2015-11-10 00:01:24 UTC (rev 192183)
+++ trunk/Tools/MiniBrowser/mac/WK2BrowserWindowController.m	2015-11-10 00:03:28 UTC (rev 192184)
@@ -345,11 +345,12 @@
     preferences._resourceUsageOverlayVisible = settings.resourceUsageOverlayVisible;
 
     BOOL useTransparentWindows = settings.useTransparentWindows;
-    if (useTransparentWindows != _webView._drawsTransparentBackground) {
+    if (useTransparentWindows != !_webView._drawsBackground) {
         [self.window setOpaque:!useTransparentWindows];
+        [self.window setBackgroundColor:[NSColor clearColor]];
         [self.window setHasShadow:!useTransparentWindows];
 
-        _webView._drawsTransparentBackground = useTransparentWindows;
+        _webView._drawsBackground = !useTransparentWindows;
 
         [self.window display];
     }
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