88254 2012-06-04 14:08:38 -0700 [BlackBerry] Implement a top-down in-region boundary detection in InRegionScrollableArea 2012-06-06 21:36:21 -0700 1 1 1 Unclassified WebKit WebKit BlackBerry 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 tonikitoo tonikitoo anilsson efidler tonikitoo oldest_to_newest 640822 0 tonikitoo 2012-06-04 14:08:38 -0700 From PRZilla: That way we could guarantee clipping is 100% correct. think in a scrollable iframe that has a scrollable div that has another scrollable iframe :) and we want the visible window rect of the inner one. 641873 1 145867 tonikitoo 2012-06-05 14:02:52 -0700 Created attachment 145867 (committed r119679, r=rbuis) patch 642008 2 145867 rwlbuis 2012-06-05 16:42:31 -0700 Comment on attachment 145867 (committed r119679, r=rbuis) patch View in context: https://bugs.webkit.org/attachment.cgi?id=145867&action=review Looks good overall, some questions still, would also like to see internal review. > Source/WebKit/blackberry/Api/WebPage.cpp:4657 > +std::vector<Platform::ScrollViewBase*> WebPagePrivate::inRegionScrollableAreasForPoint(const Platform::IntPoint& point) It seems from looking at WebPage.cpp you do not even need std:: prefix.But this does not have to be fixed in this patch. > Source/WebKit/blackberry/Api/WebPage.cpp:4683 > + pushBackInRegionScrollable(validReturn, new InRegionScrollableArea(this, layer), this); Who deletes this InRegionScrollableArea? > Source/WebKit/blackberry/Api/WebPage.cpp:4715 > + if (layer && layer->renderer()->isRenderView()) { // #document case I think the RenderView is always the final layer from end to start. So could it be special cased after the for loop? 642103 3 tonikitoo 2012-06-05 19:20:10 -0700 > > Source/WebKit/blackberry/Api/WebPage.cpp:4683 > > + pushBackInRegionScrollable(validReturn, new InRegionScrollableArea(this, layer), this); > > Who deletes this InRegionScrollableArea? The client is deleting it now: - virtual void notifyInRegionScrollingStartingPointChanged(std::vector<Platform::ScrollViewBase>) = 0; + // Client is responsible for deleting the vector elements. + virtual void notifyInRegionScrollingStartingPointChanged(std::vector<Platform::ScrollViewBase*>) = 0; The internal PR has the libwebview patch that deletes it now. > > Source/WebKit/blackberry/Api/WebPage.cpp:4715 > > + if (layer && layer->renderer()->isRenderView()) { // #document case > > I think the RenderView is always the final layer from end to start. So could it be special cased after the for loop? Not actually. See our parentLayer method: 4672 static RenderLayer* parentLayer(RenderLayer* layer) 4673 { 4674 ASSERT(layer); 4675 if (layer->parent()) 4676 return layer->parent(); 4677 4678 RenderObject* renderer = layer->renderer(); 4679 if (renderer->document() && renderer->document()->ownerElement() && renderer->document()->ownerElement()->renderer()) 4680 return renderer->document()->ownerElement()->renderer()->enclosingLayer(); 4681 4682 return 0; 4683 } in case a iframe/frame (i.e. the renderview case) is found it keeps going up cross the frame tree boundary. 642584 4 145867 jpetsovits 2012-06-06 10:25:35 -0700 Comment on attachment 145867 (committed r119679, r=rbuis) patch View in context: https://bugs.webkit.org/attachment.cgi?id=145867&action=review The meat of the patch looks good to me. Some typo and style suggestions to fix for the final version maybe. Otherwise r+, only that I'm not a reviewer so this review is informal I guess. >> Source/WebKit/blackberry/Api/WebPage.cpp:4657 >> +std::vector<Platform::ScrollViewBase*> WebPagePrivate::inRegionScrollableAreasForPoint(const Platform::IntPoint& point) > > It seems from looking at WebPage.cpp you do not even need std:: prefix.But this does not have to be fixed in this patch. I was just thinking, maybe because the InRegionScrollableAreas are now created with "new", maybe the method name should be changed to createInRegionScrollableAreasForPoint(). Makes it clearer that they need to be deleted later on. > Source/WebKit/blackberry/Api/WebPage.cpp:4704 > + // Pos-calculate the visible window rects in reverse hit test order so Typo: Post-calculate ^ > Source/WebKit/blackberry/Api/WebPage.cpp:4707 > + WebCore::IntPoint(), transformedViewportSize()); I was going to comment on indentation width, but if you don't use copy-constructor-like syntax then maybe one line is enough: WebCore::IntRect recursiveClippingRect(WebCore::IntPoint::zero(), transformedViewportSize()); (Also included the ::zero() constructor for IntPoint, which had been used in InRegionScrollableArea before.) > Source/WebKit/blackberry/ChangeLog:13 > + window rect from the outtermost scrollable element towards the inner ones, and Typo: outermost (only one "t") > Source/WebKit/blackberry/ChangeLog:18 > + we can make use of static_cast properly. Maybe state that platform is now responsible for deleting the ScrollViewBase objects. 642585 5 145867 rwlbuis 2012-06-06 10:28:30 -0700 Comment on attachment 145867 (committed r119679, r=rbuis) patch R+ based on Jakob's review and Antonio's answers to my concerns. 145867 2012-06-05 14:02:52 -0700 2012-06-06 21:35:14 -0700 (committed r119679, r=rbuis) patch 0001-2012-06-05-Antonio-Gomes-agomes-rim.com.patch text/plain 14539 tonikitoo RnJvbSAwYmJjN2ViNjEwNWRiM2Q0N2ViNmZkY2QzZDEzZmJjOWJlZWM3YzNmIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBBbnRvbmlvIEdvbWVzIDxhZ29tZXNAcmltLmNvbT4KRGF0ZTog VHVlLCA1IEp1biAyMDEyIDE2OjMzOjEzIC0wNDAwClN1YmplY3Q6IFtQQVRDSF0gMjAxMi0wNi0w NSAgQW50b25pbyBHb21lcyAgPGFnb21lc0ByaW0uY29tPgoKICAgICAgICBbQmxhY2tCZXJyeV0g SW1wbGVtZW50IGEgdG9wLWRvd24gaW4tcmVnaW9uIGJvdW5kYXJ5IGRldGVjdGlvbiBpbiBJblJl Z2lvblNjcm9sbGFibGVBcmVhCiAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19i dWcuY2dpP2lkPTg4MjU0CiAgICAgICAgUFIgIzEyNTIzNwoKICAgICAgICBSZXZpZXdlZCBieSBO 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