1 files changed, 136 insertions, 0 deletions
diff --git a/accessible/base/Platform.h b/accessible/base/Platform.h
new file mode 100644
index 0000000000..23f214246f
--- /dev/null
+++ b/accessible/base/Platform.h
@@ -0,0 +1,136 @@
+/* -*- 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_Platform_h
+#define mozilla_a11y_Platform_h
+
+#include <stdint.h>
+#include "nsStringFwd.h"
+#include "Units.h"
+
+#if defined(ANDROID)
+#  include "nsTArray.h"
+#  include "nsRect.h"
+#endif
+
+#ifdef MOZ_WIDGET_COCOA
+#  include "mozilla/a11y/Role.h"
+#  include "nsTArray.h"
+#endif
+
+namespace mozilla {
+namespace a11y {
+
+class Accessible;
+class RemoteAccessible;
+
+enum EPlatformDisabledState {
+  ePlatformIsForceEnabled = -1,
+  ePlatformIsEnabled = 0,
+  ePlatformIsDisabled = 1
+};
+
+/**
+ * Return the platform disabled state.
+ */
+EPlatformDisabledState PlatformDisabledState();
+
+#ifdef MOZ_ACCESSIBILITY_ATK
+/**
+ * Perform initialization that should be done as soon as possible, in order
+ * to minimize startup time.
+ * XXX: this function and the next defined in ApplicationAccessibleWrap.cpp
+ */
+void PreInit();
+#endif
+
+#if defined(MOZ_ACCESSIBILITY_ATK) || defined(XP_MACOSX)
+/**
+ * Is platform accessibility enabled.
+ * Only used on linux with atk and MacOS for now.
+ */
+bool ShouldA11yBeEnabled();
+#endif
+
+#if defined(XP_WIN)
+/*
+ * Name of platform service that instantiated accessibility
+ */
+void SetInstantiator(const uint32_t aInstantiatorPid);
+bool GetInstantiator(nsIFile** aOutInstantiator);
+#endif
+
+/**
+ * Called to initialize platform specific accessibility support.
+ * Note this is called after internal accessibility support is initialized.
+ */
+void PlatformInit();
+
+/**
+ * Shutdown platform accessibility.
+ * Note this is called before internal accessibility support is shutdown.
+ */
+void PlatformShutdown();
+
+/**
+ * called when a new RemoteAccessible is created, so the platform may setup a
+ * wrapper for it, or take other action.
+ */
+void ProxyCreated(RemoteAccessible* aProxy);
+
+/**
+ * Called just before a RemoteAccessible is destroyed so its wrapper can be
+ * disposed of and other action taken.
+ */
+void ProxyDestroyed(RemoteAccessible*);
+
+/**
+ * Called when an event is fired on an Accessible so that platforms may fire
+ * events if appropriate.
+ */
+void PlatformEvent(Accessible* aTarget, uint32_t aEventType);
+void PlatformStateChangeEvent(Accessible* aTarget, uint64_t aState,
+                              bool aEnabled);
+
+void PlatformFocusEvent(Accessible* aTarget,
+                        const LayoutDeviceIntRect& aCaretRect);
+void PlatformCaretMoveEvent(Accessible* aTarget, int32_t aOffset,
+                            bool aIsSelectionCollapsed, int32_t aGranularity,
+                            const LayoutDeviceIntRect& aCaretRect,
+                            bool aFromUser);
+void PlatformTextChangeEvent(Accessible* aTarget, const nsAString& aStr,
+                             int32_t aStart, uint32_t aLen, bool aIsInsert,
+                             bool aFromUser);
+void PlatformShowHideEvent(Accessible* aTarget, Accessible* aParent,
+                           bool aInsert, bool aFromUser);
+void PlatformSelectionEvent(Accessible* aTarget, Accessible* aWidget,
+                            uint32_t aType);
+
+#if defined(ANDROID)
+void PlatformScrollingEvent(Accessible* aTarget, uint32_t aEventType,
+                            uint32_t aScrollX, uint32_t aScrollY,
+                            uint32_t aMaxScrollX, uint32_t aMaxScrollY);
+
+void PlatformAnnouncementEvent(Accessible* aTarget,
+                               const nsAString& aAnnouncement,
+                               uint16_t aPriority);
+
+bool LocalizeString(const nsAString& aToken, nsAString& aLocalized);
+#endif
+
+#ifdef MOZ_WIDGET_COCOA
+class TextRange;
+void PlatformTextSelectionChangeEvent(Accessible* aTarget,
+                                      const nsTArray<TextRange>& aSelection);
+
+void PlatformRoleChangedEvent(Accessible* aTarget, const a11y::role& aRole,
+                              uint8_t aRoleMapEntryIndex);
+#endif
+
+}  // namespace a11y
+}  // namespace mozilla
+
+#endif  // mozilla_a11y_Platform_h