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Diffstat (limited to '')
| -rw-r--r-- | accessible/android/SessionAccessibility.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/accessible/android/SessionAccessibility.h b/accessible/android/SessionAccessibility.h new file mode 100644 index 0000000000..ffd8eb6ed8 --- /dev/null +++ b/accessible/android/SessionAccessibility.h @@ -0,0 +1,154 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_a11y_SessionAccessibility_h_ +#define mozilla_a11y_SessionAccessibility_h_ + +#include "mozilla/java/SessionAccessibilityNatives.h" +#include "mozilla/widget/GeckoViewSupport.h" +#include "nsAppShell.h" +#include "nsThreadUtils.h" +#include "nsWindow.h" +#include "AccessibleWrap.h" + +namespace mozilla { +namespace a11y { + +class AccessibleWrap; +class AccAttributes; +class Accessible; +class RemoteAccessible; +class RootAccessibleWrap; +class BatchData; + +class SessionAccessibility final + : public java::SessionAccessibility::NativeProvider::Natives< + SessionAccessibility> { + public: + typedef java::SessionAccessibility::NativeProvider::Natives< + SessionAccessibility> + Base; + + SessionAccessibility( + jni::NativeWeakPtr<widget::GeckoViewSupport> aWindow, + java::SessionAccessibility::NativeProvider::Param aSessionAccessibility); + + void OnWeakNonIntrusiveDetach(already_AddRefed<Runnable> aDisposer) { + SetAttached(false, std::move(aDisposer)); + } + + const java::SessionAccessibility::NativeProvider::Ref& + GetJavaAccessibility() { + return mSessionAccessibility; + } + + static void Init(); + static RefPtr<SessionAccessibility> GetInstanceFor(Accessible* aAccessible); + static RefPtr<SessionAccessibility> GetInstanceFor(PresShell* aPresShell); + + // Native implementations + using Base::AttachNative; + using Base::DisposeNative; + bool IsCacheEnabled(); + void GetNodeInfo(int32_t aID, mozilla::jni::Object::Param aNodeInfo); + int GetNodeClassName(int32_t aID); + void SetText(int32_t aID, jni::String::Param aText); + void Click(int32_t aID); + void Pivot(int32_t aID, int32_t aGranularity, bool aForward, bool aInclusive); + bool CachedPivot(int32_t aID, int32_t aGranularity, bool aForward, + bool aInclusive); + void ExploreByTouch(int32_t aID, float aX, float aY); + void NavigateText(int32_t aID, int32_t aGranularity, int32_t aStartOffset, + int32_t aEndOffset, bool aForward, bool aSelect); + void SetSelection(int32_t aID, int32_t aStart, int32_t aEnd); + void Cut(int32_t aID); + void Copy(int32_t aID); + void Paste(int32_t aID); + void StartNativeAccessibility(); + + // Event methods + void SendFocusEvent(Accessible* aAccessible); + void SendScrollingEvent(Accessible* aAccessible, int32_t aScrollX, + int32_t aScrollY, int32_t aMaxScrollX, + int32_t aMaxScrollY); + MOZ_CAN_RUN_SCRIPT_BOUNDARY + void SendAccessibilityFocusedEvent(Accessible* aAccessible); + void SendHoverEnterEvent(Accessible* aAccessible); + void SendTextSelectionChangedEvent(Accessible* aAccessible, + int32_t aCaretOffset); + void SendTextTraversedEvent(Accessible* aAccessible, int32_t aStartOffset, + int32_t aEndOffset); + void SendTextChangedEvent(Accessible* aAccessible, const nsAString& aStr, + int32_t aStart, uint32_t aLen, bool aIsInsert, + bool aFromUser); + void SendSelectedEvent(Accessible* aAccessible, bool aSelected); + void SendClickedEvent(Accessible* aAccessible, uint32_t aFlags); + void SendWindowContentChangedEvent(); + void SendWindowStateChangedEvent(Accessible* aAccessible); + void SendAnnouncementEvent(Accessible* aAccessible, + const nsAString& aAnnouncement, + uint16_t aPriority); + + // Cache methods + void ReplaceViewportCache( + const nsTArray<Accessible*>& aAccessibles, + const nsTArray<BatchData>& aData = nsTArray<BatchData>()); + + void ReplaceFocusPathCache( + const nsTArray<Accessible*>& aAccessibles, + const nsTArray<BatchData>& aData = nsTArray<BatchData>()); + + void UpdateCachedBounds( + const nsTArray<Accessible*>& aAccessibles, + const nsTArray<BatchData>& aData = nsTArray<BatchData>()); + + void UpdateAccessibleFocusBoundaries(Accessible* aFirst, Accessible* aLast); + + Accessible* GetAccessibleByID(int32_t aID) const; + + static const int32_t kNoID = -1; + static const int32_t kUnsetID = 0; + + static void RegisterAccessible(Accessible* aAccessible); + static void UnregisterAccessible(Accessible* aAccessible); + static void UnregisterAll(PresShell* aPresShell); + + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(SessionAccessibility) + + private: + ~SessionAccessibility() {} + + mozilla::java::GeckoBundle::LocalRef ToBundle(Accessible* aAccessible, + bool aSmall = false); + + mozilla::java::GeckoBundle::LocalRef ToBundle( + Accessible* aAccessible, const uint64_t aState, + const LayoutDeviceIntRect& aBounds, const uint8_t aActionCount, + const nsString& aName, const nsString& aTextValue, + const nsString& aDOMNodeID, const nsString& aDescription, + const double& aCurVal = UnspecifiedNaN<double>(), + const double& aMinVal = UnspecifiedNaN<double>(), + const double& aMaxVal = UnspecifiedNaN<double>(), + const double& aStep = UnspecifiedNaN<double>(), + AccAttributes* aAttributes = nullptr); + + void PopulateNodeInfo(Accessible* aAccessible, + mozilla::jni::Object::Param aNodeInfo); + + void SetAttached(bool aAttached, already_AddRefed<Runnable> aRunnable); + + jni::NativeWeakPtr<widget::GeckoViewSupport> mWindow; // Parent only + java::SessionAccessibility::NativeProvider::GlobalRef mSessionAccessibility; + + /* + * This provides a mapping from 32 bit id to accessible objects. + */ + nsTHashMap<nsUint32HashKey, Accessible*> mIDToAccessibleMap; +}; + +} // namespace a11y +} // namespace mozilla + +#endif |