| /* |
| * 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/ViewportDescription.h" |
| #include "core/frame/LocalFrame.h" |
| #include "core/frame/SettingsDelegate.h" |
| #include "core/frame/UseCounter.h" |
| #include "core/page/PageAnimator.h" |
| #include "core/page/PageVisibilityState.h" |
| #include "platform/LifecycleContext.h" |
| #include "platform/Supplementable.h" |
| #include "platform/geometry/LayoutRect.h" |
| #include "platform/geometry/Region.h" |
| #include "platform/heap/Handle.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 Chrome; |
| class ChromeClient; |
| class ClientRectList; |
| class ContextMenuClient; |
| class ContextMenuController; |
| class Document; |
| class DragCaretController; |
| class DragClient; |
| class DragController; |
| class EditorClient; |
| class FocusController; |
| class Frame; |
| class FrameHost; |
| class HistoryItem; |
| class InspectorClient; |
| class InspectorController; |
| class PageLifecycleNotifier; |
| class PlatformMouseEvent; |
| class PluginData; |
| class PointerLockController; |
| class Range; |
| class RenderBox; |
| class RenderObject; |
| class RenderTheme; |
| class StorageClient; |
| class VisibleSelection; |
| class ScrollableArea; |
| class ScrollingCoordinator; |
| class Settings; |
| class SpellCheckerClient; |
| class StorageNamespace; |
| class UndoStack; |
| class ValidationMessageClient; |
| |
| typedef uint64_t LinkHash; |
| |
| float deviceScaleFactor(LocalFrame*); |
| |
| class Page FINAL : public NoBaseWillBeGarbageCollectedFinalized<Page>, public WillBeHeapSupplementable<Page>, public LifecycleContext<Page>, public SettingsDelegate { |
| WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(Page); |
| 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; |
| SpellCheckerClient* spellCheckerClient; |
| StorageClient* storageClient; |
| }; |
| |
| explicit Page(PageClients&); |
| virtual ~Page(); |
| |
| void makeOrdinary(); |
| |
| // This method returns all pages, incl. private ones associated with |
| // inspector overlay, popups, SVGImage, etc. |
| static HashSet<Page*>& allPages(); |
| // This method returns all ordinary pages. |
| static HashSet<Page*>& ordinaryPages(); |
| |
| FrameHost& frameHost() const { return *m_frameHost; } |
| |
| void setNeedsRecalcStyleInAllFrames(); |
| void updateAcceleratedCompositingSettings(); |
| |
| ViewportDescription viewportDescription() const; |
| |
| static void refreshPlugins(bool reload); |
| PluginData* pluginData() const; |
| |
| EditorClient& editorClient() const { return *m_editorClient; } |
| SpellCheckerClient& spellCheckerClient() const { return *m_spellCheckerClient; } |
| UndoStack& undoStack() const { return *m_undoStack; } |
| |
| void setMainFrame(Frame*); |
| Frame* mainFrame() const { return m_mainFrame; } |
| // Escape hatch for existing code that assumes that the root frame is |
| // always a LocalFrame. With OOPI, this is not always the case. Code that |
| // depends on this will generally have to be rewritten to propagate any |
| // necessary state through all renderer processes for that page and/or |
| // coordinate/rely on the browser process to help dispatch/coordinate work. |
| LocalFrame* deprecatedLocalMainFrame() const { return toLocalFrame(m_mainFrame); } |
| |
| void documentDetached(Document*); |
| |
| bool openedByDOM() const; |
| void setOpenedByDOM(); |
| |
| void incrementSubframeCount() { ++m_subframeCount; } |
| void decrementSubframeCount() { ASSERT(m_subframeCount); --m_subframeCount; } |
| int subframeCount() const { checkSubframeCountConsistency(); return m_subframeCount; } |
| |
| PageAnimator& animator() { return m_animator; } |
| Chrome& chrome() const { return *m_chrome; } |
| AutoscrollController& autoscrollController() const { return *m_autoscrollController; } |
| DragCaretController& dragCaretController() const { return *m_dragCaretController; } |
| DragController& dragController() const { return *m_dragController; } |
| FocusController& focusController() const { return *m_focusController; } |
| ContextMenuController& contextMenuController() const { return *m_contextMenuController; } |
| InspectorController& inspectorController() const { return *m_inspectorController; } |
| PointerLockController& pointerLockController() const { return *m_pointerLockController; } |
| ValidationMessageClient& validationMessageClient() const { return *m_validationMessageClient; } |
| void setValidationMessageClient(PassOwnPtrWillBeRawPtr<ValidationMessageClient>); |
| |
| ScrollingCoordinator* scrollingCoordinator(); |
| |
| String mainThreadScrollingReasonsAsText(); |
| PassRefPtrWillBeRawPtr<ClientRectList> nonFastScrollableRects(const LocalFrame*); |
| |
| Settings& settings() const { return *m_settings; } |
| BackForwardClient& backForward() const { return *m_backForwardClient; } |
| |
| UseCounter& useCounter() { return m_useCounter; } |
| |
| void setTabKeyCyclesThroughElements(bool b) { m_tabKeyCyclesThroughElements = b; } |
| bool tabKeyCyclesThroughElements() const { return m_tabKeyCyclesThroughElements; } |
| |
| void unmarkAllTextMatches(); |
| |
| // DefersLoading is used to delay loads during modal dialogs. |
| // Modal dialogs are supposed to freeze all background processes |
| // in the page, including prevent additional loads from staring/continuing. |
| void setDefersLoading(bool); |
| bool defersLoading() const { return m_defersLoading; } |
| |
| void setPageScaleFactor(float scale, const IntPoint& origin); |
| float pageScaleFactor() const; |
| |
| float deviceScaleFactor() const { return m_deviceScaleFactor; } |
| void setDeviceScaleFactor(float); |
| |
| static void allVisitedStateChanged(); |
| static void visitedStateChanged(LinkHash visitedHash); |
| |
| StorageNamespace* sessionStorage(bool optionalCreate = true); |
| StorageClient& storageClient() const { return *m_storageClient; } |
| |
| // 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; |
| void setIsCursorVisible(bool isVisible) { m_isCursorVisible = isVisible; } |
| |
| #ifndef NDEBUG |
| void setIsPainting(bool painting) { m_isPainting = painting; } |
| bool isPainting() const { return m_isPainting; } |
| #endif |
| |
| double timerAlignmentInterval() const; |
| |
| class MultisamplingChangedObserver : public WillBeGarbageCollectedMixin { |
| public: |
| virtual void multisamplingChanged(bool) = 0; |
| }; |
| |
| void addMultisamplingChangedObserver(MultisamplingChangedObserver*); |
| void removeMultisamplingChangedObserver(MultisamplingChangedObserver*); |
| |
| void didCommitLoad(LocalFrame*); |
| |
| void acceptLanguagesChanged(); |
| |
| static void networkStateChanged(bool online); |
| PassOwnPtr<LifecycleNotifier<Page> > createLifecycleNotifier(); |
| |
| void trace(Visitor*); |
| void willBeDestroyed(); |
| |
| protected: |
| PageLifecycleNotifier& lifecycleNotifier(); |
| |
| private: |
| void initGroup(); |
| |
| #if ASSERT_ENABLED |
| void checkSubframeCountConsistency() const; |
| #else |
| void checkSubframeCountConsistency() const { } |
| #endif |
| |
| void setTimerAlignmentInterval(double); |
| |
| void setNeedsLayoutInAllFrames(); |
| |
| // SettingsDelegate overrides. |
| virtual void settingsChanged(SettingsDelegate::ChangeType) OVERRIDE; |
| |
| PageAnimator m_animator; |
| const OwnPtr<AutoscrollController> m_autoscrollController; |
| const OwnPtr<Chrome> m_chrome; |
| const OwnPtrWillBeMember<DragCaretController> m_dragCaretController; |
| const OwnPtrWillBeMember<DragController> m_dragController; |
| const OwnPtr<FocusController> m_focusController; |
| const OwnPtrWillBeMember<ContextMenuController> m_contextMenuController; |
| const OwnPtr<InspectorController> m_inspectorController; |
| const OwnPtrWillBeMember<PointerLockController> m_pointerLockController; |
| OwnPtr<ScrollingCoordinator> m_scrollingCoordinator; |
| const OwnPtrWillBeMember<UndoStack> m_undoStack; |
| |
| // Typically, the main frame and Page should both be owned by the embedder, |
| // which must call Page::willBeDestroyed() prior to destroying Page. This |
| // call detaches the main frame and clears this pointer, thus ensuring that |
| // this field only references a live main frame. |
| // |
| // However, there are several locations (InspectorOverlay, SVGImage, and |
| // WebPagePopupImpl) which don't hold a reference to the main frame at all |
| // after creating it. These are still safe because they always create a |
| // Frame with a FrameView. FrameView and Frame hold references to each |
| // other, thus keeping each other alive. The call to willBeDestroyed() |
| // breaks this cycle, so the frame is still properly destroyed once no |
| // longer needed. |
| Frame* m_mainFrame; |
| |
| mutable RefPtr<PluginData> m_pluginData; |
| |
| BackForwardClient* m_backForwardClient; |
| EditorClient* const m_editorClient; |
| SpellCheckerClient* const m_spellCheckerClient; |
| StorageClient* m_storageClient; |
| OwnPtrWillBeMember<ValidationMessageClient> m_validationMessageClient; |
| |
| UseCounter m_useCounter; |
| |
| int m_subframeCount; |
| bool m_openedByDOM; |
| |
| bool m_tabKeyCyclesThroughElements; |
| bool m_defersLoading; |
| |
| float m_deviceScaleFactor; |
| |
| OwnPtr<StorageNamespace> m_sessionStorage; |
| |
| double m_timerAlignmentInterval; |
| |
| PageVisibilityState m_visibilityState; |
| |
| bool m_isCursorVisible; |
| |
| #ifndef NDEBUG |
| bool m_isPainting; |
| #endif |
| |
| WillBeHeapHashSet<RawPtrWillBeWeakMember<MultisamplingChangedObserver> > m_multisamplingChangedObservers; |
| |
| // A pointer to all the interfaces provided to in-process Frames for this Page. |
| // FIXME: Most of the members of Page should move onto FrameHost. |
| OwnPtrWillBeMember<FrameHost> m_frameHost; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // Page_h |