Finish taking out render_messages.h includes from headers.

Review URL: http://codereview.chromium.org/20072

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@9209 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 86 insertions, 0 deletions

diff --git a/chrome/common/accessibility.h b/chrome/common/accessibility.h
new file mode 100644
index 0000000..11272a5
--- /dev/null
+++ b/chrome/common/accessibility.h
@@ -0,0 +1,86 @@
+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_COMMON_ACCESSIBILITY_H_
+#define CHROME_COMMON_ACCESSIBILITY_H_
+
+// This defines an enumeration of IDs that can uniquely identify a call to a
+// specific IAccessible function. Should match the support implemented in WebKit
+// (functions marked with return value E_NOTIMPL are also excluded).
+enum IAccessibleID {
+  IACCESSIBLE_FUNC_NONE = 0,
+
+  // Supported IAccessible interface functions.
+  IACCESSIBLE_FUNC_ACCDODEFAULTACTION,
+  IACCESSIBLE_FUNC_ACCHITTEST,
+  IACCESSIBLE_FUNC_ACCLOCATION,
+  IACCESSIBLE_FUNC_ACCNAVIGATE,
+  IACCESSIBLE_FUNC_GET_ACCCHILD,
+  IACCESSIBLE_FUNC_GET_ACCCHILDCOUNT,
+  IACCESSIBLE_FUNC_GET_ACCDEFAULTACTION,
+  IACCESSIBLE_FUNC_GET_ACCDESCRIPTION,
+  IACCESSIBLE_FUNC_GET_ACCFOCUS,
+  IACCESSIBLE_FUNC_GET_ACCHELP,
+  IACCESSIBLE_FUNC_GET_ACCKEYBOARDSHORTCUT,
+  IACCESSIBLE_FUNC_GET_ACCNAME,
+  IACCESSIBLE_FUNC_GET_ACCPARENT,
+  IACCESSIBLE_FUNC_GET_ACCROLE,
+  IACCESSIBLE_FUNC_GET_ACCSTATE,
+  IACCESSIBLE_FUNC_GET_ACCVALUE
+
+  // The deprecated put_accName and put_accValue are not supported here, nor is
+  // accSelect, get_accHelpTopic and get_accSelection (matching WebKit's
+  // support).
+};
+
+// Parameters structure to hold a union of the possible IAccessible function
+// INPUT variables, with the unused fields always set to default value. Used in
+// ViewMsg_GetAccessibilityInfo, as only parameter.
+struct AccessibilityInParams {
+  // Identifier to uniquely distinguish which instance of IAccessible is being
+  // called upon on the renderer side.
+  int iaccessible_id;
+
+  // Identifier to resolve which IAccessible interface function is being called.
+  int iaccessible_function_id;
+
+  // Function input parameters.
+  // Input VARIANT structure's LONG field to specify requested object.
+  long input_variant_lval;
+
+  // LONG input parameters, used differently depending on the function called.
+  long input_long1;
+  long input_long2;
+};
+
+// Parameters structure to hold a union of the possible IAccessible function
+// OUTPUT variables, with the unused fields always set to default value. Used in
+// ViewHostMsg_GetAccessibilityInfoResponse, as only parameter.
+struct AccessibilityOutParams {
+  // Identifier to uniquely distinguish which instance of IAccessible is being
+  // called upon on the renderer side.
+  int iaccessible_id;
+
+  // Function output parameters.
+  // Output VARIANT structure's LONG field to specify requested object.
+  long output_variant_lval;
+
+  // LONG output parameters, used differently depending on the function called.
+  // output_long1 can in some cases be set to -1 to indicate that the child
+  // object found by the called IAccessible function is not a simple object.
+  long output_long1;
+  long output_long2;
+  long output_long3;
+  long output_long4;
+
+  // String output parameter.
+  std::wstring output_string;
+
+  // Return code, either S_OK (true) or S_FALSE (false). WebKit MSAA error
+  // return codes (E_POINTER, E_INVALIDARG, E_FAIL, E_NOTIMPL) must be handled
+  // on the browser side by input validation.
+  bool return_code;
+};
+
+#endif  // CHROME_COMMON_ACCESSIBILITY_H_