https://bugs.webkit.org/show_bug.cgi?id=51546

Reviewed by Darin Adler.

WebCore: 

- Add client functions to notify that a frame has been added or
  removed from the page cache.

* history/CachedFrame.cpp:
(WebCore::CachedFrameBase::restore):
(WebCore::CachedFrame::CachedFrame):
* history/CachedFrame.h:
* loader/EmptyClients.h:
(WebCore::EmptyFrameLoaderClient::didSaveToPageCache):
(WebCore::EmptyFrameLoaderClient::didRestoreFromPageCache):
* loader/FrameLoaderClient.h:

WebKit/chromium: 

- Add client functions to notify that a frame has been added or
  removed from the page cache.

* src/FrameLoaderClientImpl.cpp:
(WebKit::WebFrameLoaderClientImpl::didSaveToPageCache):
(WebKit::WebFrameLoaderClientImpl::didRestoreFromPageCache):
* src/FrameLoaderClientImpl.h:

WebKit/efl: 

- Add client functions to notify that a frame has been added or
  removed from the page cache.

* WebCoreSupport/FrameLoaderClientEfl.cpp:
(WebCore::FrameLoaderClientEfl::didSaveToPageCache):
(WebCore::FrameLoaderClientEfl::didRestoreFromPageCache):
* WebCoreSupport/FrameLoaderClientEfl.h:

WebKit/gtk: 

- Add client functions to notify that a frame has been added or
  removed from the page cache.

* WebCoreSupport/FrameLoaderClientGtk.cpp:
(WebKit::FrameLoaderClient::didSaveToPageCache):
(WebKit::FrameLoaderClient::didRestoreFromPageCache):
* WebCoreSupport/FrameLoaderClientGtk.h:

WebKit/haiku: 

- Add client functions to notify that a frame has been added or
  removed from the page cache.

* WebCoreSupport/FrameLoaderClientHaiku.cpp:
(WebCore::FrameLoaderClientHaiku::didSaveToPageCache):
(WebCore::FrameLoaderClientHaiku::didRestoreFromPageCache):
* WebCoreSupport/FrameLoaderClientHaiku.h:

WebKit/mac: 

- Add client functions to notify that a frame has been added or
  removed from the page cache.

* WebCoreSupport/WebFrameLoaderClient.h:
* WebCoreSupport/WebFrameLoaderClient.mm:
(WebFrameLoaderClient::didSaveToPageCache):
(WebFrameLoaderClient::didRestoreFromPageCache):

WebKit/qt: 

- Add client functions to notify that a frame has been added or
  removed from the page cache.

* WebCoreSupport/FrameLoaderClientQt.cpp:
(WebCore::FrameLoaderClientQt::didSaveToPageCache):
(WebCore::FrameLoaderClientQt::didRestoreFromPageCache):
* WebCoreSupport/FrameLoaderClientQt.h:

WebKit/win: 

- Add client functions to notify that a frame has been added or
  removed from the page cache.

* WebCoreSupport/WebFrameLoaderClient.cpp:
(WebFrameLoaderClient::didSaveToPageCache):
(WebFrameLoaderClient::didRestoreFromPageCache):
* WebCoreSupport/WebFrameLoaderClient.h:

WebKit/wince: 

- Add client functions to notify that a frame has been added or
  removed from the page cache.

* WebCoreSupport/FrameLoaderClientWinCE.cpp:
(WebKit::FrameLoaderClientWinCE::didSaveToPageCache):
(WebKit::FrameLoaderClientWinCE::didRestoreFromPageCache):
* WebCoreSupport/FrameLoaderClientWinCE.h:

WebKit/wx: 

- Add client functions to notify that a frame has been added or
  removed from the page cache.

* WebKitSupport/FrameLoaderClientWx.cpp:
(WebCore::FrameLoaderClientWx::didSaveToPageCache):
(WebCore::FrameLoaderClientWx::didRestoreFromPageCache):
* WebKitSupport/FrameLoaderClientWx.h:

WebKit2: 

* UIProcess/API/C/WKFrame.cpp:
(WKFrameCopyChildFrames):
* UIProcess/API/C/WKFrame.h:
Add API to get the child frames of a frame.

* UIProcess/WebFrameProxy.cpp:
(WebKit::WebFrameProxy::WebFrameProxy):
(WebKit::WebFrameProxy::disconnect):
(WebKit::WebFrameProxy::appendChild):
(WebKit::WebFrameProxy::removeChild):
(WebKit::WebFrameProxy::isDescendantOf):
(WebKit::WebFrameProxy::dumpFrameTree):
(WebKit::WebFrameProxy::didRemoveFromHierarchy):
(WebKit::WebFrameProxy::childFrames):
* UIProcess/WebFrameProxy.h:
(WebKit::WebFrameProxy::parentFrame): Add getter.
(WebKit::WebFrameProxy::nextSibling): Add getter.
(WebKit::WebFrameProxy::previousSibling): Add getter.
(WebKit::WebFrameProxy::firstChild): Add getter.
(WebKit::WebFrameProxy::lastChild): Add getter.
Make frames keep track of their subframes.

* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::didCreateSubframe):
Use the now passed parentID to insert the frame into the hierarchy

(WebKit::WebPageProxy::didSaveFrameToPageCache):
When a frame is added to the page cache, remove it from the hierarchy.

(WebKit::WebPageProxy::didRestoreFrameFromPageCache):
When a frame is restored from the page cache, add it back to the hierarchy.

(WebKit::WebPageProxy::didRemoveFrameFromHierarchy):
Detached frames should also be removed from the hierarchy.

* UIProcess/WebPageProxy.h:
Add new declarations for didSaveFrameToPageCache and didRestoreFrameFromPageCache.

* UIProcess/WebPageProxy.messages.in:
Add messages for DidSaveFrameToPageCache and DidRestoreFrameFromPageCache.

* WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp:
(WebKit::WebFrameLoaderClient::savePlatformDataToCachedFrame): 
(WebKit::WebFrameLoaderClient::transitionToCommittedFromCachedFrame):
Remove notImplemented, there is no work we need to do here.

(WebKit::WebFrameLoaderClient::didSaveToPageCache): 
(WebKit::WebFrameLoaderClient::didRestoreFromPageCache):
Send message to UIProcess to indicate this happened.
* WebProcess/WebCoreSupport/WebFrameLoaderClient.h:

* WebProcess/WebPage/WebFrame.cpp:
(WebKit::WebFrame::createSubframe):
Send parent frameID in addition to our own in the message to UIProcess.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@74571 268f45cc-cd09-0410-ab3c-d52691b4dbfc