Change Page::m_mainFrame to be a Frame.

Source/core/page/Page.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All Rights Reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 16 matching lines @@
 #include "core/editing/Caret.h"
 #include "core/editing/UndoStack.h"
 #include "core/events/Event.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/frame/DOMTimer.h"
 #include "core/frame/DOMWindow.h"
 #include "core/frame/EventHandlerRegistry.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
+#include "core/frame/RemoteFrame.h"
+#include "core/frame/RemoteFrameView.h"
 #include "core/frame/Settings.h"
 #include "core/inspector/InspectorController.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/HistoryItem.h"
 #include "core/page/AutoscrollController.h"
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/ContextMenuController.h"
 #include "core/page/DragController.h"
@@ skipping 107 matching lines @@
 }
 
 void Page::makeOrdinary()
 {
     ASSERT(!ordinaryPages().contains(this));
     ordinaryPages().add(this);
 }
 
 ViewportDescription Page::viewportDescription() const
 {
-    return mainFrame() && mainFrame()->document() ? mainFrame()->document()->viewportDescription() : ViewportDescription();
+    return mainFrame() && mainFrame()->isLocalFrame() && toLocalFrame(mainFrame())->document() ? toLocalFrame(mainFrame())->document()->viewportDescription() : ViewportDescription();
 }
 
 ScrollingCoordinator* Page::scrollingCoordinator()
 {
     if (!m_scrollingCoordinator && m_settings->acceleratedCompositingEnabled())
         m_scrollingCoordinator = ScrollingCoordinator::create(this);
 
     return m_scrollingCoordinator.get();
 }
 
 String Page::mainThreadScrollingReasonsAsText()
 {
     if (ScrollingCoordinator* scrollingCoordinator = this->scrollingCoordinator())
         return scrollingCoordinator->mainThreadScrollingReasonsAsText();
 
     return String();
 }
 
 PassRefPtrWillBeRawPtr<ClientRectList> Page::nonFastScrollableRects(const LocalFrame* frame)
 {
-    if (Document* document = m_mainFrame->document())
-        document->updateLayout();
+    if (m_mainFrame->isLocalFrame() && toLocalFrame(m_mainFrame.get())->document())
+        toLocalFrame(m_mainFrame.get())->document()->updateLayout();
 
     Vector<IntRect> rects;
     if (ScrollingCoordinator* scrollingCoordinator = this->scrollingCoordinator())
         rects = scrollingCoordinator->computeShouldHandleScrollGestureOnMainThreadRegion(frame, IntPoint()).rects();
 
     Vector<FloatQuad> quads(rects.size());
     for (size_t i = 0; i < rects.size(); ++i)
         quads[i] = FloatRect(rects[i]);
     return ClientRectList::create(quads);
 }
 
-void Page::setMainFrame(PassRefPtr<LocalFrame> mainFrame)
+void Page::setMainFrame(PassRefPtr<Frame> mainFrame)
 {
     ASSERT(!m_mainFrame); // Should only be called during initialization
     m_mainFrame = mainFrame;
 }
 
 void Page::documentDetached(Document* document)
 {
     m_multisamplingChangedObservers.clear();
     m_pointerLockController->documentDetached(document);
     m_contextMenuController->documentDetached(document);
@@ skipping 67 matching lines @@
                 framesNeedingReload.append(toLocalFrame(frame));
         }
     }
 
     for (size_t i = 0; i < framesNeedingReload.size(); ++i)
         framesNeedingReload[i]->loader().reload();
 }
 
 PluginData* Page::pluginData() const
 {
-    if (!mainFrame()->loader().allowPlugins(NotAboutToInstantiatePlugin))
+    if (!toLocalFrame(mainFrame())->loader().allowPlugins(NotAboutToInstantiatePlugin))
         return 0;
     if (!m_pluginData)
         m_pluginData = PluginData::create(this);
     return m_pluginData.get();
 }
 
 static Frame* incrementFrame(Frame* curr, bool forward, bool wrapFlag)
 {
     return forward
         ? curr->tree().traverseNextWithWrap(wrapFlag)
@@ skipping 25 matching lines @@
 
     m_defersLoading = defers;
     for (Frame* frame = mainFrame(); frame; frame = frame->tree().traverseNext()) {
         if (frame->isLocalFrame())
             toLocalFrame(frame)->loader().setDefersLoading(defers);
     }
 }
 
 void Page::setPageScaleFactor(float scale, const IntPoint& origin)
 {
-    FrameView* view = mainFrame()->view();
+    // FIXME: Setting the page scale factor is broken for OOPI.
+    if (!mainFrame()->isLocalFrame())
+        return;
+
+    FrameView* view = toLocalFrame(mainFrame())->view();
     PinchViewport& viewport = frameHost().pinchViewport();
 
     if (scale != viewport.scale()) {
         viewport.setScale(scale);
 
         if (view && !settings().pinchVirtualViewportEnabled())
             view->setVisibleContentScaleFactor(scale);
 
-        mainFrame()->deviceOrPageScaleFactorChanged();
+        toLocalFrame(mainFrame())->deviceOrPageScaleFactorChanged();
         m_chrome->client().deviceOrPageScaleFactorChanged();
 
         // FIXME: In virtual-viewport pinch mode, scale doesn't change the fixed-pos viewport;
         // remove once it's the only pinch mode in town.
         if (view)
             view->viewportConstrainedVisibleContentSizeChanged(true, true);
 
-        mainFrame()->loader().saveScrollState();
+        toLocalFrame(mainFrame())->loader().saveScrollState();
     }
 
     if (view && view->scrollPosition() != origin)
         view->notifyScrollPositionChanged(origin);
 }
 
 float Page::pageScaleFactor() const
 {
     return frameHost().pinchViewport().scale();
 }
 
 void Page::setDeviceScaleFactor(float scaleFactor)
 {
     if (m_deviceScaleFactor == scaleFactor)
         return;
 
     m_deviceScaleFactor = scaleFactor;
     setNeedsRecalcStyleInAllFrames();
 
-    if (mainFrame()) {
-        mainFrame()->deviceOrPageScaleFactorChanged();
+    if (mainFrame() && mainFrame()->isLocalFrame()) {
+        toLocalFrame(mainFrame())->deviceOrPageScaleFactorChanged();
         m_chrome->client().deviceOrPageScaleFactorChanged();
     }
 }
 
 void Page::allVisitedStateChanged()
 {
     HashSet<Page*>::iterator pagesEnd = ordinaryPages().end();
     for (HashSet<Page*>::iterator it = ordinaryPages().begin(); it != pagesEnd; ++it) {
         Page* page = *it;
         for (Frame* frame = page->m_mainFrame.get(); frame; frame = frame->tree().traverseNext()) {
@@ skipping 59 matching lines @@
     m_visibilityState = visibilityState;
 
     if (visibilityState == WebCore::PageVisibilityStateHidden)
         setTimerAlignmentInterval(DOMTimer::hiddenPageAlignmentInterval());
     else
         setTimerAlignmentInterval(DOMTimer::visiblePageAlignmentInterval());
 
     if (!isInitialState)
         lifecycleNotifier().notifyPageVisibilityChanged();
 
-    if (!isInitialState && m_mainFrame)
-        m_mainFrame->didChangeVisibilityState();
+    if (!isInitialState && m_mainFrame && m_mainFrame->isLocalFrame())
+        toLocalFrame(m_mainFrame.get())->didChangeVisibilityState();
 }
 
 PageVisibilityState Page::visibilityState() const
 {
     return m_visibilityState;
 }
 
 bool Page::isCursorVisible() const
 {
     return m_isCursorVisible && settings().deviceSupportsMouse();
 }
 
 void Page::addMultisamplingChangedObserver(MultisamplingChangedObserver* observer)
 {
     m_multisamplingChangedObservers.add(observer);
 }
 
 void Page::removeMultisamplingChangedObserver(MultisamplingChangedObserver* observer)
 {
     m_multisamplingChangedObservers.remove(observer);
 }
 
 void Page::settingsChanged(SettingsDelegate::ChangeType changeType)
 {
     switch (changeType) {
     case SettingsDelegate::StyleChange:
         setNeedsRecalcStyleInAllFrames();
         break;
     case SettingsDelegate::ViewportDescriptionChange:
-        if (mainFrame())
-            mainFrame()->document()->updateViewportDescription();
+        if (mainFrame() && mainFrame()->isLocalFrame())
+            toLocalFrame(mainFrame())->document()->updateViewportDescription();
         break;
     case SettingsDelegate::MediaTypeChange:
-        m_mainFrame->view()->setMediaType(AtomicString(settings().mediaTypeOverride()));
-        setNeedsRecalcStyleInAllFrames();
+        if (m_mainFrame->isLocalFrame()) {
+            toLocalFrame(m_mainFrame.get())->view()->setMediaType(AtomicString(settings().mediaTypeOverride()));
+            setNeedsRecalcStyleInAllFrames();
+        }
         break;
     case SettingsDelegate::DNSPrefetchingChange:
         for (Frame* frame = mainFrame(); frame; frame = frame->tree().traverseNext()) {
             if (frame->isLocalFrame())
                 toLocalFrame(frame)->document()->initDNSPrefetch();
         }
         break;
     case SettingsDelegate::MultisamplingChange: {
         WillBeHeapHashSet<RawPtrWillBeWeakMember<MultisamplingChangedObserver> >::iterator stop = m_multisamplingChangedObservers.end();
         for (WillBeHeapHashSet<RawPtrWillBeWeakMember<MultisamplingChangedObserver> >::iterator it = m_multisamplingChangedObservers.begin(); it != stop; ++it)
             (*it)->multisamplingChanged(m_settings->openGLMultisamplingEnabled());
         break;
     }
     case SettingsDelegate::ImageLoadingChange:
         for (Frame* frame = mainFrame(); frame; frame = frame->tree().traverseNext()) {
             if (frame->isLocalFrame()) {
                 toLocalFrame(frame)->document()->fetcher()->setImagesEnabled(settings().imagesEnabled());
                 toLocalFrame(frame)->document()->fetcher()->setAutoLoadImages(settings().loadsImagesAutomatically());
             }
         }
         break;
     case SettingsDelegate::TextAutosizingChange:
-        if (!mainFrame())
+        if (!mainFrame() || !mainFrame()->isLocalFrame())
             break;
-        if (FastTextAutosizer* textAutosizer = mainFrame()->document()->fastTextAutosizer()) {
+        if (FastTextAutosizer* textAutosizer = toLocalFrame(mainFrame())->document()->fastTextAutosizer()) {
             textAutosizer->updatePageInfoInAllFrames();
         } else {
             for (Frame* frame = mainFrame(); frame; frame = frame->tree().traverseNext()) {
                 if (!frame->isLocalFrame())
                     continue;
                 if (TextAutosizer* textAutosizer = toLocalFrame(frame)->document()->textAutosizer())
                     textAutosizer->recalculateMultipliers();
             }
             // TextAutosizing updates RenderStyle during layout phase (via TextAutosizer::processSubtree).
             // We should invoke setNeedsLayout here.
@@ skipping 68 matching lines @@
     visitor->trace(m_multisamplingChangedObservers);
     visitor->trace(m_frameHost);
     WillBeHeapSupplementable<Page>::trace(visitor);
 }
 
 void Page::willBeDestroyed()
 {
     // Disable all agents prior to resetting the frame view.
     m_inspectorController->willBeDestroyed();
 
-    m_mainFrame->setView(nullptr);
+    if (m_mainFrame->isLocalFrame()) {
+        toLocalFrame(m_mainFrame.get())->setView(nullptr);
+    } else {
+        ASSERT(m_mainFrame->isRemoteFrame());
+        toRemoteFrame(m_mainFrame.get())->setView(nullptr);
+    }
 
     allPages().remove(this);
     if (ordinaryPages().contains(this))
         ordinaryPages().remove(this);
 
     for (Frame* frame = mainFrame(); frame; frame = frame->tree().traverseNext()) {
         if (frame->isLocalFrame())
             toLocalFrame(frame)->loader().frameDetached();
     }
 
@@ skipping 21 matching lines @@
     , spellCheckerClient(0)
     , storageClient(0)
 {
 }
 
 Page::PageClients::~PageClients()
 {
 }
 
 } // namespace WebCore