设置 webkit 背景透明的几种办法

void

FrameLoaderClient::transitionToCommittedForNewPage()

02.

{

03.

WebKitWebView*
 containingWindow = getViewFromFrame(m_frame);

04.

IntSize
 size = IntSize(GTK_WIDGET(containingWindow)->allocation.width,

05.

GTK_WIDGET(containingWindow)->allocation.height);

06.

bool

transparent
 = webkit_web_view_get_transparent(containingWindow);

//modify
 by raulli 20110922

07.

Color
 backgroundColor = transparent ? WebCore::Color::transparent : WebCore::Color::white;

08.

Frame*
 frame = core(m_frame);

09.

ASSERT(frame);

10.

11.

frame->createView(size,
 backgroundColor, transparent, IntSize(),

false

);

12.

13.

//
 We need to do further manipulation on the FrameView if it was the mainFrame

14.

if

(frame
 != frame->page()->mainFrame())

15.

return

;

16.

17.

postCommitFrameViewSetup(m_frame,
 frame->view(),

true

);

18.

}

19.

20.

2.

21.

22.

FrameView.cpp

23.

void

FrameView::setBaseBackgroundColor(Color
 bc)

24.

{

25.

printf

(

"######
 %s:%s:%d bc=0x%0x m_baseBackgroundColor=0x%0x\n"

,__FILE__,__FUNCTION__,__LINE__,bc.rgb(),m_baseBackgroundColor.rgb());

26.

if

(!bc.isValid())

27.

{

28.

printf

(

"######
 %s:%s:%d bc=0x%0x m_baseBackgroundColor=0x%0x\n"

,__FILE__,__FUNCTION__,__LINE__,bc.rgb(),m_baseBackgroundColor.rgb());

29.

bc
 = Color::white;

30.

}

31.

printf

(

"######
 %s:%s:%d bc=0x%0x m_baseBackgroundColor=0x%0x\n"

,__FILE__,__FUNCTION__,__LINE__,bc.rgb(),m_baseBackgroundColor.rgb());

32.

m_baseBackgroundColor
 = bc;

33.

}