| /* |
| * Copyright (C) 2006, 2007, 2008, 2009, 2010, 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 |
| * 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. |
| */ |
| |
| #ifndef Page_h |
| #define Page_h |
| |
| #include "core/dom/ViewportArguments.h" |
| #include "core/page/LayoutMilestones.h" |
| #include "core/page/PageVisibilityState.h" |
| #include "core/page/UseCounter.h" |
| #include "core/platform/LifecycleContext.h" |
| #include "core/platform/Supplementable.h" |
| #include "core/platform/graphics/LayoutRect.h" |
| #include "core/platform/graphics/Region.h" |
| #include "core/rendering/Pagination.h" |
| #include "wtf/Forward.h" |
| #include "wtf/HashSet.h" |
| #include "wtf/Noncopyable.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace WebCore { |
| |
| class AutoscrollController; |
| class BackForwardClient; |
| class BackForwardController; |
| class Chrome; |
| class ChromeClient; |
| class ClientRectList; |
| class ContextMenuClient; |
| class ContextMenuController; |
| class Document; |
| class DragCaretController; |
| class DragClient; |
| class DragController; |
| class EditorClient; |
| class FocusController; |
| class Frame; |
| class FrameSelection; |
| class HaltablePlugin; |
| class HistoryItem; |
| class InspectorClient; |
| class InspectorController; |
| class Node; |
| class PageConsole; |
| class PageGroup; |
| class PageLifecycleNotifier; |
| class PlatformMouseEvent; |
| class PluginData; |
| class PointerLockController; |
| class ProgressTracker; |
| class Range; |
| class RenderBox; |
| class RenderObject; |
| class RenderTheme; |
| class VisibleSelection; |
| class ScrollableArea; |
| class ScrollingCoordinator; |
| class Settings; |
| class StorageNamespace; |
| class ValidationMessageClient; |
| |
| typedef uint64_t LinkHash; |
| |
| float deviceScaleFactor(Frame*); |
| |
| class Page : public Supplementable<Page>, public LifecycleContext { |
| WTF_MAKE_NONCOPYABLE(Page); |
| friend class Settings; |
| public: |
| static void scheduleForcedStyleRecalcForAllPages(); |
| |
| // It is up to the platform to ensure that non-null clients are provided where required. |
| struct PageClients { |
| WTF_MAKE_NONCOPYABLE(PageClients); WTF_MAKE_FAST_ALLOCATED; |
| public: |
| PageClients(); |
| ~PageClients(); |
| |
| ChromeClient* chromeClient; |
| ContextMenuClient* contextMenuClient; |
| EditorClient* editorClient; |
| DragClient* dragClient; |
| InspectorClient* inspectorClient; |
| BackForwardClient* backForwardClient; |
| }; |
| |
| explicit Page(PageClients&); |
| ~Page(); |
| |
| void setNeedsRecalcStyleInAllFrames(); |
| |
| RenderTheme* theme() const { return m_theme.get(); } |
| |
| ViewportArguments viewportArguments() const; |
| |
| static void refreshPlugins(bool reload); |
| PluginData* pluginData() const; |
| |
| EditorClient* editorClient() const { return m_editorClient; } |
| |
| void setMainFrame(PassRefPtr<Frame>); |
| Frame* mainFrame() const { return m_mainFrame.get(); } |
| |
| bool openedByDOM() const; |
| void setOpenedByDOM(); |
| |
| // DEPRECATED. Use backForward() instead of the following function. |
| void goToItem(HistoryItem*); |
| |
| // FIXME: InspectorPageGroup is only needed to support single process debugger layout tests, it should be removed when DumpRenderTree is gone. |
| enum PageGroupType { InspectorPageGroup, PrivatePageGroup, SharedPageGroup }; |
| void setGroupType(PageGroupType); |
| void clearPageGroup(); |
| PageGroup& group() |
| { |
| if (!m_group) |
| setGroupType(PrivatePageGroup); |
| return *m_group; |
| } |
| |
| void incrementSubframeCount() { ++m_subframeCount; } |
| void decrementSubframeCount() { ASSERT(m_subframeCount); --m_subframeCount; } |
| int subframeCount() const { checkSubframeCountConsistency(); return m_subframeCount; } |
| |
| Chrome& chrome() const { return *m_chrome; } |
| DragCaretController* dragCaretController() const { return m_dragCaretController.get(); } |
| DragController* dragController() const { return m_dragController.get(); } |
| FocusController* focusController() const { return m_focusController.get(); } |
| ContextMenuController* contextMenuController() const { return m_contextMenuController.get(); } |
| InspectorController* inspectorController() const { return m_inspectorController.get(); } |
| PointerLockController* pointerLockController() const { return m_pointerLockController.get(); } |
| ValidationMessageClient* validationMessageClient() const { return m_validationMessageClient; } |
| void setValidationMessageClient(ValidationMessageClient* client) { m_validationMessageClient = client; } |
| |
| bool autoscrollInProgress() const; |
| bool autoscrollInProgress(const RenderBox*) const; |
| bool panScrollInProgress() const; |
| void startAutoscrollForSelection(RenderObject*); |
| void stopAutoscrollIfNeeded(RenderObject*); |
| void stopAutoscrollTimer(); |
| void updateAutoscrollRenderer(); |
| void updateDragAndDrop(Node* targetNode, const IntPoint& eventPosition, double eventTime); |
| #if OS(WINDOWS) |
| void handleMouseReleaseForPanScrolling(Frame*, const PlatformMouseEvent&); |
| void startPanScrolling(RenderBox*, const IntPoint&); |
| #endif |
| |
| ScrollingCoordinator* scrollingCoordinator(); |
| |
| String mainThreadScrollingReasonsAsText(); |
| PassRefPtr<ClientRectList> nonFastScrollableRects(const Frame*); |
| |
| Settings* settings() const { return m_settings.get(); } |
| ProgressTracker* progress() const { return m_progress.get(); } |
| BackForwardController* backForward() const { return m_backForwardController.get(); } |
| |
| UseCounter* useCounter() { return &m_UseCounter; } |
| |
| void setTabKeyCyclesThroughElements(bool b) { m_tabKeyCyclesThroughElements = b; } |
| bool tabKeyCyclesThroughElements() const { return m_tabKeyCyclesThroughElements; } |
| |
| void unmarkAllTextMatches(); |
| |
| void setDefersLoading(bool); |
| bool defersLoading() const { return m_defersLoading; } |
| |
| void setPageScaleFactor(float scale, const IntPoint& origin); |
| float pageScaleFactor() const { return m_pageScaleFactor; } |
| |
| float deviceScaleFactor() const { return m_deviceScaleFactor; } |
| void setDeviceScaleFactor(float); |
| |
| // Page and FrameView both store a Pagination value. Page::pagination() is set only by API, |
| // and FrameView::pagination() is set only by CSS. Page::pagination() will affect all |
| // FrameViews in the page cache, but FrameView::pagination() only affects the current |
| // FrameView. |
| const Pagination& pagination() const { return m_pagination; } |
| void setPagination(const Pagination&); |
| |
| void userStyleSheetLocationChanged(); |
| const String& userStyleSheet() const; |
| |
| void dnsPrefetchingStateChanged(); |
| |
| static void allVisitedStateChanged(PageGroup*); |
| static void visitedStateChanged(PageGroup*, LinkHash visitedHash); |
| |
| StorageNamespace* sessionStorage(bool optionalCreate = true); |
| |
| // Don't allow more than a certain number of frames in a page. |
| // This seems like a reasonable upper bound, and otherwise mutually |
| // recursive frameset pages can quickly bring the program to its knees |
| // with exponential growth in the number of frames. |
| static const int maxNumberOfFrames = 1000; |
| |
| PageVisibilityState visibilityState() const; |
| void setVisibilityState(PageVisibilityState, bool); |
| |
| bool isCursorVisible() const { return m_isCursorVisible; } |
| void setIsCursorVisible(bool isVisible) { m_isCursorVisible = isVisible; } |
| |
| void addLayoutMilestones(LayoutMilestones); |
| LayoutMilestones layoutMilestones() const { return m_layoutMilestones; } |
| |
| bool isCountingRelevantRepaintedObjects() const; |
| void startCountingRelevantRepaintedObjects(); |
| void resetRelevantPaintedObjectCounter(); |
| void addRelevantRepaintedObject(RenderObject*, const LayoutRect& objectPaintRect); |
| void addRelevantUnpaintedObject(RenderObject*, const LayoutRect& objectPaintRect); |
| |
| #ifndef NDEBUG |
| void setIsPainting(bool painting) { m_isPainting = painting; } |
| bool isPainting() const { return m_isPainting; } |
| #endif |
| |
| PageConsole* console() { return m_console.get(); } |
| |
| double timerAlignmentInterval() const; |
| |
| class MultisamplingChangedObserver { |
| public: |
| virtual void multisamplingChanged(bool) = 0; |
| }; |
| |
| void addMultisamplingChangedObserver(MultisamplingChangedObserver*); |
| void removeMultisamplingChangedObserver(MultisamplingChangedObserver*); |
| void multisamplingChanged(); |
| |
| void didCommitLoad(Frame*); |
| |
| protected: |
| PageLifecycleNotifier* lifecycleNotifier(); |
| |
| private: |
| void initGroup(); |
| |
| #if ASSERT_DISABLED |
| void checkSubframeCountConsistency() const { } |
| #else |
| void checkSubframeCountConsistency() const; |
| #endif |
| |
| void setTimerAlignmentInterval(double); |
| |
| virtual PassOwnPtr<LifecycleNotifier> createLifecycleNotifier() OVERRIDE; |
| |
| OwnPtr<AutoscrollController> m_autoscrollController; |
| OwnPtr<Chrome> m_chrome; |
| OwnPtr<DragCaretController> m_dragCaretController; |
| |
| OwnPtr<DragController> m_dragController; |
| OwnPtr<FocusController> m_focusController; |
| OwnPtr<ContextMenuController> m_contextMenuController; |
| OwnPtr<InspectorController> m_inspectorController; |
| OwnPtr<PointerLockController> m_pointerLockController; |
| RefPtr<ScrollingCoordinator> m_scrollingCoordinator; |
| |
| OwnPtr<Settings> m_settings; |
| OwnPtr<ProgressTracker> m_progress; |
| |
| OwnPtr<BackForwardController> m_backForwardController; |
| RefPtr<Frame> m_mainFrame; |
| |
| mutable RefPtr<PluginData> m_pluginData; |
| |
| RefPtr<RenderTheme> m_theme; |
| |
| EditorClient* m_editorClient; |
| ValidationMessageClient* m_validationMessageClient; |
| |
| UseCounter m_UseCounter; |
| |
| int m_subframeCount; |
| bool m_openedByDOM; |
| |
| bool m_tabKeyCyclesThroughElements; |
| bool m_defersLoading; |
| |
| float m_pageScaleFactor; |
| float m_deviceScaleFactor; |
| |
| Pagination m_pagination; |
| |
| mutable String m_userStyleSheet; |
| mutable bool m_didLoadUserStyleSheet; |
| |
| RefPtr<PageGroup> m_group; |
| |
| OwnPtr<StorageNamespace> m_sessionStorage; |
| |
| double m_timerAlignmentInterval; |
| |
| PageVisibilityState m_visibilityState; |
| |
| bool m_isCursorVisible; |
| |
| LayoutMilestones m_layoutMilestones; |
| |
| HashSet<RenderObject*> m_relevantUnpaintedRenderObjects; |
| Region m_topRelevantPaintedRegion; |
| Region m_bottomRelevantPaintedRegion; |
| Region m_relevantUnpaintedRegion; |
| bool m_isCountingRelevantRepaintedObjects; |
| #ifndef NDEBUG |
| bool m_isPainting; |
| #endif |
| |
| const OwnPtr<PageConsole> m_console; |
| |
| HashSet<MultisamplingChangedObserver*> m_multisamplingChangedObservers; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // Page_h |