зеркало из https://github.com/mozilla/gecko-dev.git
129 строки
5.1 KiB
C++
129 строки
5.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_SessionAccessibility_h_
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#define mozilla_a11y_SessionAccessibility_h_
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#include "GeneratedJNINatives.h"
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#include "GeneratedJNIWrappers.h"
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#include "nsAppShell.h"
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#include "nsThreadUtils.h"
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#include "nsWindow.h"
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#define GECKOBUNDLE_START(name) \
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nsTArray<jni::String::LocalRef> _##name##_keys; \
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nsTArray<jni::Object::LocalRef> _##name##_values;
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#define GECKOBUNDLE_PUT(name, key, value) \
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_##name##_keys.AppendElement(jni::StringParam(NS_LITERAL_STRING(key))); \
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_##name##_values.AppendElement(value);
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#define GECKOBUNDLE_FINISH(name) \
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MOZ_ASSERT(_##name##_keys.Length() == _##name##_values.Length()); \
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auto _##name##_jkeys = \
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jni::ObjectArray::New<jni::String>(_##name##_keys.Length()); \
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auto _##name##_jvalues = \
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jni::ObjectArray::New<jni::Object>(_##name##_values.Length()); \
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for (size_t i = 0; \
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i < _##name##_keys.Length() && i < _##name##_values.Length(); i++) { \
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_##name##_jkeys->SetElement(i, _##name##_keys.ElementAt(i)); \
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_##name##_jvalues->SetElement(i, _##name##_values.ElementAt(i)); \
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} \
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auto name = \
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mozilla::java::GeckoBundle::New(_##name##_jkeys, _##name##_jvalues);
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namespace mozilla {
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namespace a11y {
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class AccessibleWrap;
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class ProxyAccessible;
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class RootAccessibleWrap;
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class BatchData;
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class SessionAccessibility final
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: public java::SessionAccessibility::NativeProvider::Natives<
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SessionAccessibility> {
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public:
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typedef java::SessionAccessibility::NativeProvider::Natives<
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SessionAccessibility>
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Base;
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SessionAccessibility(
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nsWindow::NativePtr<SessionAccessibility>* aPtr, nsWindow* aWindow,
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java::SessionAccessibility::NativeProvider::Param aSessionAccessibility)
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: mWindow(aPtr, aWindow), mSessionAccessibility(aSessionAccessibility) {
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SetAttached(true, nullptr);
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}
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void OnDetach(already_AddRefed<Runnable> aDisposer) {
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SetAttached(false, std::move(aDisposer));
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}
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const java::SessionAccessibility::NativeProvider::Ref&
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GetJavaAccessibility() {
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return mSessionAccessibility;
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}
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static void Init();
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static SessionAccessibility* GetInstanceFor(ProxyAccessible* aAccessible);
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static SessionAccessibility* GetInstanceFor(Accessible* aAccessible);
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// Native implementations
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using Base::AttachNative;
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using Base::DisposeNative;
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jni::Object::LocalRef GetNodeInfo(int32_t aID);
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void SetText(int32_t aID, jni::String::Param aText);
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void Click(int32_t aID);
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void StartNativeAccessibility();
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// Event methods
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void SendFocusEvent(AccessibleWrap* aAccessible);
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void SendScrollingEvent(AccessibleWrap* aAccessible, int32_t aScrollX,
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int32_t aScrollY, int32_t aMaxScrollX,
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int32_t aMaxScrollY);
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void SendAccessibilityFocusedEvent(AccessibleWrap* aAccessible);
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void SendHoverEnterEvent(AccessibleWrap* aAccessible);
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void SendTextSelectionChangedEvent(AccessibleWrap* aAccessible,
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int32_t aCaretOffset);
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void SendTextTraversedEvent(AccessibleWrap* aAccessible, int32_t aStartOffset,
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int32_t aEndOffset);
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void SendTextChangedEvent(AccessibleWrap* aAccessible, const nsString& aStr,
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int32_t aStart, uint32_t aLen, bool aIsInsert,
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bool aFromUser);
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void SendSelectedEvent(AccessibleWrap* aAccessible, bool aSelected);
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void SendClickedEvent(AccessibleWrap* aAccessible, bool aChecked);
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void SendWindowContentChangedEvent(AccessibleWrap* aAccessible);
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void SendWindowStateChangedEvent(AccessibleWrap* aAccessible);
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// Cache methods
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void ReplaceViewportCache(
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const nsTArray<AccessibleWrap*>& aAccessibles,
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const nsTArray<BatchData>& aData = nsTArray<BatchData>());
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void ReplaceFocusPathCache(
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const nsTArray<AccessibleWrap*>& aAccessibles,
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const nsTArray<BatchData>& aData = nsTArray<BatchData>());
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void UpdateCachedBounds(
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const nsTArray<AccessibleWrap*>& aAccessibles,
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const nsTArray<BatchData>& aData = nsTArray<BatchData>());
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(SessionAccessibility)
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private:
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~SessionAccessibility() {}
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void SetAttached(bool aAttached, already_AddRefed<Runnable> aRunnable);
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RootAccessibleWrap* GetRoot();
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nsWindow::WindowPtr<SessionAccessibility> mWindow; // Parent only
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java::SessionAccessibility::NativeProvider::GlobalRef mSessionAccessibility;
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};
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} // namespace a11y
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} // namespace mozilla
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#endif
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