diff options
Diffstat (limited to 'webkit/pending/FrameView.cpp')
| -rw-r--r-- | webkit/pending/FrameView.cpp | 1068 |
1 files changed, 0 insertions, 1068 deletions
diff --git a/webkit/pending/FrameView.cpp b/webkit/pending/FrameView.cpp deleted file mode 100644 index 8379e5c..0000000 --- a/webkit/pending/FrameView.cpp +++ /dev/null @@ -1,1068 +0,0 @@ -/* - * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org> - * 1999 Lars Knoll <knoll@kde.org> - * 1999 Antti Koivisto <koivisto@kde.org> - * 2000 Dirk Mueller <mueller@kde.org> - * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. - * (C) 2006 Graham Dennis (graham.dennis@gmail.com) - * (C) 2006 Alexey Proskuryakov (ap@nypop.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 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#include "config.h" -#include "FrameView.h" - -#include "AXObjectCache.h" -#include "EventHandler.h" -#include "FloatRect.h" -#include "Frame.h" -#include "FrameLoader.h" -#include "FrameLoaderClient.h" -#include "GraphicsContext.h" -#include "HTMLDocument.h" -#include "HTMLFrameSetElement.h" -#include "HTMLNames.h" -#include "OverflowEvent.h" -#include "RenderPart.h" -#include "RenderPartObject.h" -#include "RenderTheme.h" -#include "RenderView.h" - -namespace WebCore { - -using namespace HTMLNames; - -struct ScheduledEvent { - RefPtr<Event> m_event; - RefPtr<EventTargetNode> m_eventTarget; - bool m_tempEvent; -}; - -class FrameViewPrivate { -public: - FrameViewPrivate(FrameView* view) - : m_slowRepaintObjectCount(0) - , layoutTimer(view, &FrameView::layoutTimerFired) - , layoutRoot(0) - , postLayoutTasksTimer(view, &FrameView::postLayoutTimerFired) - , m_mediaType("screen") - , m_enqueueEvents(0) - , m_overflowStatusDirty(true) - , m_viewportRenderer(0) - , m_wasScrolledByUser(false) - , m_inProgrammaticScroll(false) - { - isTransparent = false; - baseBackgroundColor = Color::white; - vmode = hmode = ScrollbarAuto; - needToInitScrollbars = true; - reset(); - } - void reset() - { - useSlowRepaints = false; - borderX = 30; - borderY = 30; - layoutTimer.stop(); - layoutRoot = 0; - delayedLayout = false; - doFullRepaint = true; - layoutSchedulingEnabled = true; - midLayout = false; - layoutCount = 0; - nestedLayoutCount = 0; - postLayoutTasksTimer.stop(); - firstLayout = true; - m_wasScrolledByUser = false; - lastLayoutSize = IntSize(); - } - - bool doFullRepaint; - - ScrollbarMode vmode; - ScrollbarMode hmode; - bool useSlowRepaints; - unsigned m_slowRepaintObjectCount; - - int borderX, borderY; - - Timer<FrameView> layoutTimer; - bool delayedLayout; - RenderObject* layoutRoot; - - bool layoutSchedulingEnabled; - bool midLayout; - int layoutCount; - unsigned nestedLayoutCount; - Timer<FrameView> postLayoutTasksTimer; - - bool firstLayout; - bool needToInitScrollbars; - bool isTransparent; - Color baseBackgroundColor; - IntSize lastLayoutSize; - - String m_mediaType; - - unsigned m_enqueueEvents; - Vector<ScheduledEvent*> m_scheduledEvents; - - bool m_overflowStatusDirty; - bool horizontalOverflow; - bool m_verticalOverflow; - RenderObject* m_viewportRenderer; - - bool m_wasScrolledByUser; - bool m_inProgrammaticScroll; -}; - -FrameView::FrameView(Frame* frame) - : m_refCount(1) - , m_frame(frame) - , d(new FrameViewPrivate(this)) -{ - init(); - show(); -} - -#if !PLATFORM(MAC) -FrameView::FrameView(Frame* frame, const IntSize& initialSize) - : m_refCount(1) - , m_frame(frame) - , d(new FrameViewPrivate(this)) -{ - init(); - Widget::setFrameGeometry(IntRect(x(), y(), initialSize.width(), initialSize.height())); - show(); -} -#endif - -FrameView::~FrameView() -{ - if (d->postLayoutTasksTimer.isActive()) { - d->postLayoutTasksTimer.stop(); - d->m_scheduledEvents.clear(); - d->m_enqueueEvents = 0; - } - - resetScrollbars(); - - ASSERT(m_refCount == 0); - ASSERT(d->m_scheduledEvents.isEmpty()); - ASSERT(!d->m_enqueueEvents); - - if (m_frame) { - ASSERT(m_frame->view() != this || !m_frame->document() || !m_frame->document()->renderer()); - RenderPart* renderer = m_frame->ownerRenderer(); - if (renderer && renderer->widget() == this) - renderer->setWidget(0); - } - - delete d; - d = 0; -} - -bool FrameView::isFrameView() const -{ - return true; -} - -void FrameView::clearFrame() -{ - m_frame = 0; -} - -void FrameView::resetScrollbars() -{ - // Reset the document's scrollbars back to our defaults before we yield the floor. - d->firstLayout = true; - suppressScrollbars(true); - ScrollView::setVScrollbarMode(d->vmode); - ScrollView::setHScrollbarMode(d->hmode); - suppressScrollbars(false); -} - -void FrameView::init() -{ - m_margins = IntSize(-1, -1); // undefined - m_size = IntSize(); -} - -void FrameView::clear() -{ - setStaticBackground(false); - - d->reset(); - - if (m_frame) - if (RenderPart* renderer = m_frame->ownerRenderer()) - renderer->viewCleared(); - - suppressScrollbars(true); -} - -bool FrameView::didFirstLayout() const -{ - return !d->firstLayout; -} - -void FrameView::initScrollbars() -{ - if (!d->needToInitScrollbars) - return; - d->needToInitScrollbars = false; - setScrollbarsMode(hScrollbarMode()); -} - -void FrameView::setMarginWidth(int w) -{ - // make it update the rendering area when set - m_margins.setWidth(w); -} - -void FrameView::setMarginHeight(int h) -{ - // make it update the rendering area when set - m_margins.setHeight(h); -} - -void FrameView::adjustViewSize() -{ - ASSERT(m_frame->view() == this); - RenderView* root = static_cast<RenderView*>(m_frame->renderer()); - if (!root) - return; - resizeContents(root->overflowWidth(), root->overflowHeight()); -} - -void FrameView::applyOverflowToViewport(RenderObject* o, ScrollbarMode& hMode, ScrollbarMode& vMode) -{ - // Handle the overflow:hidden/scroll case for the body/html elements. WinIE treats - // overflow:hidden and overflow:scroll on <body> as applying to the document's - // scrollbars. The CSS2.1 draft states that HTML UAs should use the <html> or <body> element and XML/XHTML UAs should - // use the root element. - switch (o->style()->overflowX()) { - case OHIDDEN: - hMode = ScrollbarAlwaysOff; - break; - case OSCROLL: - hMode = ScrollbarAlwaysOn; - break; - case OAUTO: - hMode = ScrollbarAuto; - break; - default: - // Don't set it at all. - ; - } - - switch (o->style()->overflowY()) { - case OHIDDEN: - vMode = ScrollbarAlwaysOff; - break; - case OSCROLL: - vMode = ScrollbarAlwaysOn; - break; - case OAUTO: - vMode = ScrollbarAuto; - break; - default: - // Don't set it at all. - ; - } - - d->m_viewportRenderer = o; -} - -int FrameView::layoutCount() const -{ - return d->layoutCount; -} - -bool FrameView::needsFullRepaint() const -{ - return d->doFullRepaint; -} - -RenderObject* FrameView::layoutRoot(bool onlyDuringLayout) const -{ - return onlyDuringLayout && layoutPending() ? 0 : d->layoutRoot; -} - -void FrameView::layout(bool allowSubtree) -{ - if (d->midLayout) - return; - - d->layoutTimer.stop(); - d->delayedLayout = false; - - // Protect the view from being deleted during layout (in recalcStyle) - RefPtr<FrameView> protector(this); - - if (!m_frame) { - // FIXME: Do we need to set m_size.width here? - // FIXME: Should we set m_size.height here too? - m_size.setWidth(visibleWidth()); - return; - } - - // we shouldn't enter layout() while painting - ASSERT(!m_frame->isPainting()); - if (m_frame->isPainting()) - return; - - if (!allowSubtree && d->layoutRoot) { - d->layoutRoot->markContainingBlocksForLayout(false); - d->layoutRoot = 0; - } - - ASSERT(m_frame->view() == this); - // This early return should be removed when rdar://5598072 is resolved. In the meantime, there is a - // gigantic CrashTracer because of this issue, and the early return will hopefully cause graceful - // failure instead. - if (m_frame->view() != this) - return; - - Document* document = m_frame->document(); - if (!document) { - // FIXME: Should we set m_size.height here too? - m_size.setWidth(visibleWidth()); - return; - } - - d->layoutSchedulingEnabled = false; - - if (!d->nestedLayoutCount && d->postLayoutTasksTimer.isActive()) { - // This is a new top-level layout. If there are any remaining tasks from the previous - // layout, finish them now. - d->postLayoutTasksTimer.stop(); - performPostLayoutTasks(); - } - - // Always ensure our style info is up-to-date. This can happen in situations where - // the layout beats any sort of style recalc update that needs to occur. - if (m_frame->needsReapplyStyles()) - m_frame->reapplyStyles(); - else if (document->hasChangedChild()) - document->recalcStyle(); - - bool subtree = d->layoutRoot; - - // If there is only one ref to this view left, then its going to be destroyed as soon as we exit, - // so there's no point to continuing to layout - if (protector->hasOneRef()) - return; - - RenderObject* root = subtree ? d->layoutRoot : document->renderer(); - if (!root) { - // FIXME: Do we need to set m_size here? - d->layoutSchedulingEnabled = true; - return; - } - - d->nestedLayoutCount++; - - ScrollbarMode hMode = d->hmode; - ScrollbarMode vMode = d->vmode; - - if (!subtree) { - RenderObject* rootRenderer = document->documentElement() ? document->documentElement()->renderer() : 0; - if (document->isHTMLDocument()) { - Node* body = static_cast<HTMLDocument*>(document)->body(); - if (body && body->renderer()) { - if (body->hasTagName(framesetTag)) { - body->renderer()->setChildNeedsLayout(true); - vMode = ScrollbarAlwaysOff; - hMode = ScrollbarAlwaysOff; - } else if (body->hasTagName(bodyTag)) { - if (!d->firstLayout && m_size.height() != visibleHeight() - && static_cast<RenderBox*>(body->renderer())->stretchesToViewHeight()) - body->renderer()->setChildNeedsLayout(true); - // It's sufficient to just check the X overflow, - // since it's illegal to have visible in only one direction. - RenderObject* o = rootRenderer->style()->overflowX() == OVISIBLE - ? body->renderer() : rootRenderer; - applyOverflowToViewport(o, hMode, vMode); // Only applies to HTML UAs, not to XML/XHTML UAs - } - } - } else if (rootRenderer) - applyOverflowToViewport(rootRenderer, hMode, vMode); // XML/XHTML UAs use the root element. -#ifdef INSTRUMENT_LAYOUT_SCHEDULING - if (d->firstLayout && !document->ownerElement()) - printf("Elapsed time before first layout: %d\n", document->elapsedTime()); -#endif - } - - d->doFullRepaint = !subtree && (d->firstLayout || static_cast<RenderView*>(root)->printing()); - - bool didFirstLayout = false; - if (!subtree) { - // Now set our scrollbar state for the layout. - ScrollbarMode currentHMode = hScrollbarMode(); - ScrollbarMode currentVMode = vScrollbarMode(); - - if (d->firstLayout || (hMode != currentHMode || vMode != currentVMode)) { - suppressScrollbars(true); - if (d->firstLayout) { - d->firstLayout = false; - didFirstLayout = true; - d->lastLayoutSize = IntSize(width(), height()); - - // Set the initial vMode to AlwaysOn if we're auto. - if (vMode == ScrollbarAuto) - ScrollView::setVScrollbarMode(ScrollbarAlwaysOn); // This causes a vertical scrollbar to appear. - // Set the initial hMode to AlwaysOff if we're auto. - if (hMode == ScrollbarAuto) - ScrollView::setHScrollbarMode(ScrollbarAlwaysOff); // This causes a horizontal scrollbar to disappear. - } - - if (hMode == vMode) - ScrollView::setScrollbarsMode(hMode); - else { - ScrollView::setHScrollbarMode(hMode); - ScrollView::setVScrollbarMode(vMode); - } - - suppressScrollbars(false, true); - } - - IntSize oldSize = m_size; - - m_size = IntSize(visibleWidth(), visibleHeight()); - - if (oldSize != m_size) - d->doFullRepaint = true; - } - - RenderLayer* layer = root->enclosingLayer(); - - pauseScheduledEvents(); - - if (subtree) - root->view()->pushLayoutState(root); - d->midLayout = true; - root->layout(); - d->midLayout = false; - if (subtree) - root->view()->popLayoutState(); - d->layoutRoot = 0; - - m_frame->invalidateSelection(); - - d->layoutSchedulingEnabled = true; - - if (!subtree && !static_cast<RenderView*>(root)->printing()) - adjustViewSize(); - - // Now update the positions of all layers. - layer->updateLayerPositions(d->doFullRepaint); - - d->layoutCount++; - -#if PLATFORM(MAC) - if (AXObjectCache::accessibilityEnabled()) - root->document()->axObjectCache()->postNotificationToElement(root, "AXLayoutComplete"); -#endif - updateDashboardRegions(); - - if (didFirstLayout) - m_frame->loader()->didFirstLayout(); - - ASSERT(!root->needsLayout()); - - setStaticBackground(useSlowRepaints()); - - if (document->hasListenerType(Document::OVERFLOWCHANGED_LISTENER)) - updateOverflowStatus(visibleWidth() < contentsWidth(), - visibleHeight() < contentsHeight()); - - if (!d->postLayoutTasksTimer.isActive()) { - // Calls resumeScheduledEvents() - performPostLayoutTasks(); - - if (needsLayout()) { - // Post-layout widget updates or an event handler made us need layout again. - // Lay out again, but this time defer widget updates and event dispatch until after - // we return. - d->postLayoutTasksTimer.startOneShot(0); - pauseScheduledEvents(); - layout(); - } - } else { - resumeScheduledEvents(); - ASSERT(d->m_enqueueEvents); - } - - d->nestedLayoutCount--; -} - -void FrameView::addWidgetToUpdate(RenderPartObject* object) -{ - if (!m_widgetUpdateSet) - m_widgetUpdateSet.set(new HashSet<RenderPartObject*>); - - m_widgetUpdateSet->add(object); -} - -void FrameView::removeWidgetToUpdate(RenderPartObject* object) -{ - if (!m_widgetUpdateSet) - return; - - m_widgetUpdateSet->remove(object); -} - -// -// Event Handling -// -///////////////// - -bool FrameView::scrollTo(const IntRect& bounds) -{ - int x, y, xe, ye; - x = bounds.x(); - y = bounds.y(); - xe = bounds.right() - 1; - ye = bounds.bottom() - 1; - - int deltax; - int deltay; - - int curHeight = visibleHeight(); - int curWidth = visibleWidth(); - - if (ye - y>curHeight-d->borderY) - ye = y + curHeight - d->borderY; - - if (xe - x>curWidth-d->borderX) - xe = x + curWidth - d->borderX; - - // is xpos of target left of the view's border? - if (x < contentsX() + d->borderX) - deltax = x - contentsX() - d->borderX; - // is xpos of target right of the view's right border? - else if (xe + d->borderX > contentsX() + curWidth) - deltax = xe + d->borderX - (contentsX() + curWidth); - else - deltax = 0; - - // is ypos of target above upper border? - if (y < contentsY() + d->borderY) - deltay = y - contentsY() - d->borderY; - // is ypos of target below lower border? - else if (ye + d->borderY > contentsY() + curHeight) - deltay = ye + d->borderY - (contentsY() + curHeight); - else - deltay = 0; - - int maxx = curWidth - d->borderX; - int maxy = curHeight - d->borderY; - - int scrollX = deltax > 0 ? (deltax > maxx ? maxx : deltax) : deltax == 0 ? 0 : (deltax > -maxx ? deltax : -maxx); - int scrollY = deltay > 0 ? (deltay > maxy ? maxy : deltay) : deltay == 0 ? 0 : (deltay > -maxy ? deltay : -maxy); - - if (contentsX() + scrollX < 0) - scrollX = -contentsX(); - else if (contentsWidth() - visibleWidth() - contentsX() < scrollX) - scrollX = contentsWidth() - visibleWidth() - contentsX(); - - if (contentsY() + scrollY < 0) - scrollY = -contentsY(); - else if (contentsHeight() - visibleHeight() - contentsY() < scrollY) - scrollY = contentsHeight() - visibleHeight() - contentsY(); - - scrollBy(scrollX, scrollY); - - // generate abs(scroll.) - if (scrollX < 0) - scrollX = -scrollX; - if (scrollY < 0) - scrollY = -scrollY; - - return scrollX != maxx && scrollY != maxy; -} - -void FrameView::setMediaType(const String& mediaType) -{ - d->m_mediaType = mediaType; -} - -String FrameView::mediaType() const -{ - // See if we have an override type. - String overrideType = m_frame->loader()->client()->overrideMediaType(); - if (!overrideType.isNull()) - return overrideType; - return d->m_mediaType; -} - -bool FrameView::useSlowRepaints() const -{ - return d->useSlowRepaints || d->m_slowRepaintObjectCount > 0; -} - -void FrameView::setUseSlowRepaints() -{ - d->useSlowRepaints = true; - setStaticBackground(true); -} - -void FrameView::addSlowRepaintObject() -{ - if (!d->m_slowRepaintObjectCount) - setStaticBackground(true); - d->m_slowRepaintObjectCount++; -} - -void FrameView::removeSlowRepaintObject() -{ - ASSERT(d->m_slowRepaintObjectCount > 0); - d->m_slowRepaintObjectCount--; - if (!d->m_slowRepaintObjectCount) - setStaticBackground(d->useSlowRepaints); -} - -void FrameView::setScrollbarsMode(ScrollbarMode mode) -{ - d->vmode = mode; - d->hmode = mode; - - ScrollView::setScrollbarsMode(mode); -} - -void FrameView::setVScrollbarMode(ScrollbarMode mode) -{ - d->vmode = mode; - ScrollView::setVScrollbarMode(mode); -} - -void FrameView::setHScrollbarMode(ScrollbarMode mode) -{ - d->hmode = mode; - ScrollView::setHScrollbarMode(mode); -} - -void FrameView::restoreScrollbar() -{ - suppressScrollbars(false); -} - -void FrameView::scrollRectIntoViewRecursively(const IntRect& r) -{ - if (frame()->prohibitsScrolling()) - return; - bool wasInProgrammaticScroll = d->m_inProgrammaticScroll; - d->m_inProgrammaticScroll = true; - ScrollView::scrollRectIntoViewRecursively(r); - d->m_inProgrammaticScroll = wasInProgrammaticScroll; -} - -void FrameView::setContentsPos(int x, int y) -{ - if (frame()->prohibitsScrolling()) - return; - bool wasInProgrammaticScroll = d->m_inProgrammaticScroll; - d->m_inProgrammaticScroll = true; - ScrollView::setContentsPos(x, y); - d->m_inProgrammaticScroll = wasInProgrammaticScroll; -} - -void FrameView::repaintRectangle(const IntRect& r, bool immediate) -{ - updateContents(r, immediate); -} - -void FrameView::layoutTimerFired(Timer<FrameView>*) -{ -#ifdef INSTRUMENT_LAYOUT_SCHEDULING - if (m_frame->document() && !m_frame->document()->ownerElement()) - printf("Layout timer fired at %d\n", m_frame->document()->elapsedTime()); -#endif - layout(); -} - -void FrameView::scheduleRelayout() -{ - ASSERT(!m_frame->document() || !m_frame->document()->inPageCache()); - ASSERT(m_frame->view() == this); - - if (d->layoutRoot) { - d->layoutRoot->markContainingBlocksForLayout(false); - d->layoutRoot = 0; - } - if (!d->layoutSchedulingEnabled) - return; - - if (!m_frame->document() || !m_frame->document()->shouldScheduleLayout()) - return; - - int delay = m_frame->document()->minimumLayoutDelay(); - if (d->layoutTimer.isActive() && d->delayedLayout && !delay) - unscheduleRelayout(); - if (d->layoutTimer.isActive()) - return; - - d->delayedLayout = delay != 0; - -#ifdef INSTRUMENT_LAYOUT_SCHEDULING - if (!m_frame->document()->ownerElement()) - printf("Scheduling layout for %d\n", delay); -#endif - - d->layoutTimer.startOneShot(delay * 0.001); -} - -static bool isObjectAncestorContainerOf(RenderObject* ancestor, RenderObject* descendant) -{ - for (RenderObject* r = descendant; r; r = r->container()) { - if (r == ancestor) - return true; - } - return false; -} - -void FrameView::scheduleRelayoutOfSubtree(RenderObject* o) -{ - ASSERT(m_frame->view() == this); - - if (!d->layoutSchedulingEnabled || (m_frame->document() - && m_frame->document()->renderer() - && m_frame->document()->renderer()->needsLayout())) { - if (o) - o->markContainingBlocksForLayout(false); - return; - } - - if (layoutPending()) { - if (d->layoutRoot != o) { - if (isObjectAncestorContainerOf(d->layoutRoot, o)) { - // Keep the current root - o->markContainingBlocksForLayout(false, d->layoutRoot); - } else if (d->layoutRoot && isObjectAncestorContainerOf(o, d->layoutRoot)) { - // Re-root at o - d->layoutRoot->markContainingBlocksForLayout(false, o); - d->layoutRoot = o; - } else { - // Just do a full relayout - if (d->layoutRoot) - d->layoutRoot->markContainingBlocksForLayout(false); - d->layoutRoot = 0; - o->markContainingBlocksForLayout(false); - } - } - } else { - int delay = m_frame->document()->minimumLayoutDelay(); - d->layoutRoot = o; - d->delayedLayout = delay != 0; - d->layoutTimer.startOneShot(delay * 0.001); - } -} - -bool FrameView::layoutPending() const -{ - return d->layoutTimer.isActive(); -} - -bool FrameView::needsLayout() const -{ - // It is possible that our document will not have a body yet. If this is the case, - // then we are not allowed to schedule layouts yet, so we won't be pending layout. - if (!m_frame) - return false; - RenderView* root = static_cast<RenderView*>(m_frame->renderer()); - Document * doc = m_frame->document(); - // doc->hasChangedChild() condition can occur when using WebKit ObjC interface - return layoutPending() || (root && root->needsLayout()) || d->layoutRoot || (doc && doc->hasChangedChild()) || m_frame->needsReapplyStyles(); -} - -void FrameView::setNeedsLayout() -{ - if (m_frame->renderer()) - m_frame->renderer()->setNeedsLayout(true); -} - -void FrameView::unscheduleRelayout() -{ - if (!d->layoutTimer.isActive()) - return; - -#ifdef INSTRUMENT_LAYOUT_SCHEDULING - if (m_frame->document() && !m_frame->document()->ownerElement()) - printf("Layout timer unscheduled at %d\n", m_frame->document()->elapsedTime()); -#endif - - d->layoutTimer.stop(); - d->delayedLayout = false; -} - -bool FrameView::isTransparent() const -{ - return d->isTransparent; -} - -void FrameView::setTransparent(bool isTransparent) -{ - d->isTransparent = isTransparent; -} - -Color FrameView::baseBackgroundColor() const -{ - return d->baseBackgroundColor; -} - -void FrameView::setBaseBackgroundColor(Color bc) -{ - if (!bc.isValid()) - bc = Color::white; - d->baseBackgroundColor = bc; -} - -void FrameView::scheduleEvent(PassRefPtr<Event> event, PassRefPtr<EventTargetNode> eventTarget, bool tempEvent) -{ - if (!d->m_enqueueEvents) { - ExceptionCode ec = 0; - eventTarget->dispatchEvent(event, ec, tempEvent); - return; - } - - ScheduledEvent* scheduledEvent = new ScheduledEvent; - scheduledEvent->m_event = event; - scheduledEvent->m_eventTarget = eventTarget; - scheduledEvent->m_tempEvent = tempEvent; - d->m_scheduledEvents.append(scheduledEvent); -} - -void FrameView::pauseScheduledEvents() -{ - ASSERT(d->m_scheduledEvents.isEmpty() || d->m_enqueueEvents); - d->m_enqueueEvents++; -} - -void FrameView::resumeScheduledEvents() -{ - d->m_enqueueEvents--; - if (!d->m_enqueueEvents) - dispatchScheduledEvents(); - ASSERT(d->m_scheduledEvents.isEmpty() || d->m_enqueueEvents); -} - -void FrameView::performPostLayoutTasks() -{ - RenderView* root = static_cast<RenderView*>(m_frame->document()->renderer()); - - root->updateWidgetPositions(); - if (m_widgetUpdateSet && d->nestedLayoutCount <= 1) { - Vector<RenderPartObject*> objectVector; - copyToVector(*m_widgetUpdateSet, objectVector); - size_t size = objectVector.size(); - for (size_t i = 0; i < size; ++i) { - RenderPartObject* object = objectVector[i]; - object->updateWidget(false); - - // updateWidget() can destroy the RenderPartObject, so we need to make sure it's - // alive by checking if it's still in m_widgetUpdateSet. - if (m_widgetUpdateSet->contains(object)) - object->updateWidgetPosition(); - } - m_widgetUpdateSet->clear(); - } - - resumeScheduledEvents(); - - if (!root->printing()) { - IntSize currentSize = IntSize(width(), height()); - bool resized = !d->firstLayout && currentSize != d->lastLayoutSize; - d->lastLayoutSize = currentSize; - if (resized) - m_frame->sendResizeEvent(); - } -} - -void FrameView::postLayoutTimerFired(Timer<FrameView>*) -{ - performPostLayoutTasks(); -} - -void FrameView::updateOverflowStatus(bool horizontalOverflow, bool verticalOverflow) -{ - if (!d->m_viewportRenderer) - return; - - if (d->m_overflowStatusDirty) { - d->horizontalOverflow = horizontalOverflow; - d->m_verticalOverflow = verticalOverflow; - d->m_overflowStatusDirty = false; - return; - } - - bool horizontalOverflowChanged = (d->horizontalOverflow != horizontalOverflow); - bool verticalOverflowChanged = (d->m_verticalOverflow != verticalOverflow); - - if (horizontalOverflowChanged || verticalOverflowChanged) { - d->horizontalOverflow = horizontalOverflow; - d->m_verticalOverflow = verticalOverflow; - - scheduleEvent(new OverflowEvent(horizontalOverflowChanged, horizontalOverflow, - verticalOverflowChanged, verticalOverflow), - EventTargetNodeCast(d->m_viewportRenderer->element()), true); - } - -} - -void FrameView::dispatchScheduledEvents() -{ - if (d->m_scheduledEvents.isEmpty()) - return; - - Vector<ScheduledEvent*> scheduledEventsCopy = d->m_scheduledEvents; - d->m_scheduledEvents.clear(); - - Vector<ScheduledEvent*>::iterator end = scheduledEventsCopy.end(); - for (Vector<ScheduledEvent*>::iterator it = scheduledEventsCopy.begin(); it != end; ++it) { - ScheduledEvent* scheduledEvent = *it; - - ExceptionCode ec = 0; - - // Only dispatch events to nodes that are in the document - if (scheduledEvent->m_eventTarget->inDocument()) - scheduledEvent->m_eventTarget->dispatchEvent(scheduledEvent->m_event, - ec, scheduledEvent->m_tempEvent); - - delete scheduledEvent; - } -} - -IntRect FrameView::windowClipRect() const -{ - return windowClipRect(true); -} - -IntRect FrameView::windowClipRect(bool clipToContents) const -{ - ASSERT(m_frame->view() == this); - - // Set our clip rect to be our contents. - IntRect clipRect; - if (clipToContents) - clipRect = enclosingIntRect(visibleContentRect()); - else - clipRect = IntRect(contentsX(), contentsY(), width(), height()); - clipRect = contentsToWindow(clipRect); - - if (!m_frame || !m_frame->document() || !m_frame->document()->ownerElement()) - return clipRect; - - // Take our owner element and get the clip rect from the enclosing layer. - Element* elt = m_frame->document()->ownerElement(); - RenderLayer* layer = elt->renderer()->enclosingLayer(); - // FIXME: layer should never be null, but sometimes seems to be anyway. - if (!layer) - return clipRect; - FrameView* parentView = elt->document()->view(); - clipRect.intersect(parentView->windowClipRectForLayer(layer, true)); - return clipRect; -} - -IntRect FrameView::windowClipRectForLayer(const RenderLayer* layer, bool clipToLayerContents) const -{ - // If we have no layer, just return our window clip rect. - if (!layer) - return windowClipRect(); - - // Apply the clip from the layer. - IntRect clipRect; - if (clipToLayerContents) - clipRect = layer->childrenClipRect(); - else - clipRect = layer->selfClipRect(); - clipRect = contentsToWindow(clipRect); - return intersection(clipRect, windowClipRect()); -} - -void FrameView::updateDashboardRegions() -{ - Document* doc = m_frame->document(); - if (doc->hasDashboardRegions()) { - Vector<DashboardRegionValue> newRegions; - doc->renderer()->collectDashboardRegions(newRegions); - doc->setDashboardRegions(newRegions); - m_frame.get()->dashboardRegionsChanged(); - } -} - -void FrameView::updateControlTints() -{ - // This is called when control tints are changed from aqua/graphite to clear and vice versa. - // We do a "fake" paint, and when the theme gets a paint call, it can then do an invalidate. - // This is only done if the theme supports control tinting. It's up to the theme and platform - // to define when controls get the tint and to call this function when that changes. - - // Optimize the common case where we bring a window to the front while it's still empty. - if (!m_frame || m_frame->loader()->url().isEmpty()) - return; - - if (theme()->supportsControlTints() && m_frame->renderer()) { - if (needsLayout()) - layout(); - PlatformGraphicsContext* const noContext = 0; - GraphicsContext context(noContext); - context.setUpdatingControlTints(true); -#if !PLATFORM(MAC) - ScrollView::paint(&context, frameGeometry()); -#else - m_frame->paint(&context, enclosingIntRect(visibleContentRect())); -#endif - } -} - -bool FrameView::wasScrolledByUser() const -{ - return d->m_wasScrolledByUser; -} - -void FrameView::setWasScrolledByUser(bool wasScrolledByUser) -{ - if (d->m_inProgrammaticScroll) - return; - d->m_wasScrolledByUser = wasScrolledByUser; -} - -#if PLATFORM(WIN) || PLATFORM(GTK) || PLATFORM(QT) -void FrameView::layoutIfNeededRecursive() -{ - // We have to crawl our entire tree looking for any FrameViews that need - // layout and make sure they are up to date. - // Mac actually tests for intersection with the dirty region and tries not to - // update layout for frames that are outside the dirty region. Not only does this seem - // pointless (since those frames will have set a zero timer to layout anyway), but - // it is also incorrect, since if two frames overlap, the first could be excluded from the dirty - // region but then become included later by the second frame adding rects to the dirty region - // when it lays out. - - if (needsLayout()) - layout(); - - HashSet<Widget*>* viewChildren = children(); - HashSet<Widget*>::iterator end = viewChildren->end(); - for (HashSet<Widget*>::iterator current = viewChildren->begin(); current != end; ++current) - if ((*current)->isFrameView()) - static_cast<FrameView*>(*current)->layoutIfNeededRecursive(); -} -#endif - -} |