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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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_DocAccessibleChildBase_h
+#define mozilla_a11y_DocAccessibleChildBase_h
+
+#include "mozilla/a11y/DocAccessible.h"
+#include "mozilla/a11y/PDocAccessibleChild.h"
+#include "mozilla/Unused.h"
+#include "nsISupportsImpl.h"
+
+namespace mozilla {
+namespace a11y {
+
+class LocalAccessible;
+class AccShowEvent;
+
+class DocAccessibleChildBase : public PDocAccessibleChild {
+ public:
+ explicit DocAccessibleChildBase(DocAccessible* aDoc) : mDoc(aDoc) {
+ MOZ_COUNT_CTOR(DocAccessibleChildBase);
+ }
+
+ ~DocAccessibleChildBase() {
+ // Shutdown() should have been called, but maybe it isn't if the process is
+ // killed?
+ MOZ_ASSERT(!mDoc);
+ if (mDoc) {
+ mDoc->SetIPCDoc(nullptr);
+ }
+
+ MOZ_COUNT_DTOR(DocAccessibleChildBase);
+ }
+
+ virtual void Shutdown() {
+ DetachDocument();
+ SendShutdown();
+ }
+
+ /**
+ * Serializes a shown tree and sends it to the chrome process.
+ */
+ void InsertIntoIpcTree(LocalAccessible* aChild, bool aSuppressShowEvent);
+ void ShowEvent(AccShowEvent* aShowEvent);
+
+ virtual void ActorDestroy(ActorDestroyReason) override {
+ if (!mDoc) {
+ return;
+ }
+
+ mDoc->SetIPCDoc(nullptr);
+ mDoc = nullptr;
+ }
+
+ virtual mozilla::ipc::IPCResult RecvTakeFocus(const uint64_t& aID) override;
+
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ virtual mozilla::ipc::IPCResult RecvScrollTo(
+ const uint64_t& aID, const uint32_t& aScrollType) override;
+
+ virtual mozilla::ipc::IPCResult RecvTakeSelection(
+ const uint64_t& aID) override;
+ virtual mozilla::ipc::IPCResult RecvSetSelected(const uint64_t& aID,
+ const bool& aSelect) override;
+
+ virtual mozilla::ipc::IPCResult RecvVerifyCache(
+ const uint64_t& aID, const uint64_t& aCacheDomain,
+ AccAttributes* aFields) override;
+
+ virtual mozilla::ipc::IPCResult RecvDoActionAsync(
+ const uint64_t& aID, const uint8_t& aIndex) override;
+
+ virtual mozilla::ipc::IPCResult RecvSetCaretOffset(
+ const uint64_t& aID, const int32_t& aOffset) override;
+
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ virtual mozilla::ipc::IPCResult RecvSetTextSelection(
+ const uint64_t& aStartID, const int32_t& aStartOffset,
+ const uint64_t& aEndID, const int32_t& aEndOffset,
+ const int32_t& aSelectionNum) override;
+
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ virtual mozilla::ipc::IPCResult RecvScrollTextLeafRangeIntoView(
+ const uint64_t& aStartID, const int32_t& aStartOffset,
+ const uint64_t& aEndID, const int32_t& aEndOffset,
+ const uint32_t& aScrollType) override;
+
+ virtual mozilla::ipc::IPCResult RecvRemoveTextSelection(
+ const uint64_t& aID, const int32_t& aSelectionNum) override;
+
+ virtual mozilla::ipc::IPCResult RecvSetCurValue(
+ const uint64_t& aID, const double& aValue) override;
+
+ virtual mozilla::ipc::IPCResult RecvReplaceText(
+ const uint64_t& aID, const nsAString& aText) override;
+
+ virtual mozilla::ipc::IPCResult RecvInsertText(
+ const uint64_t& aID, const nsAString& aText,
+ const int32_t& aPosition) override;
+
+ virtual mozilla::ipc::IPCResult RecvCopyText(const uint64_t& aID,
+ const int32_t& aStartPos,
+ const int32_t& aEndPos) override;
+
+ virtual mozilla::ipc::IPCResult RecvCutText(const uint64_t& aID,
+ const int32_t& aStartPos,
+ const int32_t& aEndPos) override;
+
+ virtual mozilla::ipc::IPCResult RecvDeleteText(
+ const uint64_t& aID, const int32_t& aStartPos,
+ const int32_t& aEndPos) override;
+
+ MOZ_CAN_RUN_SCRIPT_BOUNDARY
+ virtual mozilla::ipc::IPCResult RecvPasteText(
+ const uint64_t& aID, const int32_t& aPosition) override;
+
+ protected:
+ static void FlattenTree(LocalAccessible* aRoot,
+ nsTArray<LocalAccessible*>& aTree);
+
+ static AccessibleData SerializeAcc(LocalAccessible* aAcc);
+
+ void DetachDocument() {
+ if (mDoc) {
+ mDoc->SetIPCDoc(nullptr);
+ mDoc = nullptr;
+ }
+ }
+
+ LocalAccessible* IdToAccessible(const uint64_t& aID) const;
+ HyperTextAccessible* IdToHyperTextAccessible(const uint64_t& aID) const;
+
+ DocAccessible* mDoc;
+
+ friend void DocAccessible::DoInitialUpdate();
+};
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif // mozilla_a11y_DocAccessibleChildBase_h