Removes all use of COM and dependencies on Windows-specific classes (includin...

webkit/glue/glue_accessibility.cc

Index: webkit/glue/glue_accessibility.cc
===================================================================
--- webkit/glue/glue_accessibility.cc	(revision 12107)
+++ webkit/glue/glue_accessibility.cc	(working copy)
@@ -1,281 +0,0 @@
-// 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.
-
-#include <comdef.h>
-
-#include "config.h"
-
-#pragma warning(push, 0)
-#include "AccessibleDocument.h"
-#include "AXObjectCache.h"
-#include "Document.h"
-#include "Frame.h"
-#pragma warning(pop)
-#undef LOG
-
-#include "webkit/glue/glue_accessibility.h"
-
-#include "base/logging.h"
-#include "base/ref_counted.h"
-#include "webkit/glue/webframe_impl.h"
-#include "webkit/glue/webview_impl.h"
-
-// struct GlueAccessibility::GlueAccessibilityRoot
-struct GlueAccessibility::GlueAccessibilityRoot {
-  GlueAccessibilityRoot() {}
-
-  // Root of the WebKit IAccessible tree.
-  scoped_refptr<AccessibleDocument> accessibility_root_;
-};
-
-// class GlueAccessibility
-GlueAccessibility::GlueAccessibility()
-    : root_(new GlueAccessibilityRoot) {
-}
-
-GlueAccessibility::~GlueAccessibility() {
-  delete root_;
-}
-
-bool GlueAccessibility::GetAccessibilityInfo(WebView* view,
-    const AccessibilityInParams& in_params,
-    AccessibilityOutParams* out_params) {
-  WebFrame* main_frame = view->GetMainFrame();
-  if (!main_frame || !static_cast<WebFrameImpl*>(main_frame)->frameview())
-    return false;
-
-  if (!root_->accessibility_root_ && !InitAccessibilityRoot(view)) {
-    // Failure in retrieving the root.
-    return false;
-  }
-
-  // Temporary storing for the currently active IAccessible.
-  scoped_refptr<IAccessible> active_iaccessible;
-  IntToIAccessibleMap::iterator it =
-      int_to_iaccessible_map_.find(in_params.iaccessible_id);
-
-  if (it == int_to_iaccessible_map_.end()) {
-    // Map did not contain the data requested.
-    return false;
-  }
-
-  active_iaccessible = it->second;
-
-  if (!active_iaccessible) {
-    // Requested IAccessible not found. Paranoia check.
-    NOTREACHED();
-    return false;
-  }
-
-  // Input VARIANT, determined by the browser side to be of type VT_I4.
-  VARIANT input_variant;
-  input_variant.vt = VT_I4;
-  input_variant.lVal = in_params.input_variant_lval;
-
-  // Output variables, used locally to retrieve data.
-  VARIANT output_variant;
-  ::VariantInit(&output_variant);
-  BSTR output_bstr;
-  bool string_output = false;
-  HRESULT hr = S_FALSE;
-
-  switch (in_params.iaccessible_function_id) {
-    case IACCESSIBLE_FUNC_ACCDODEFAULTACTION :
-      hr = active_iaccessible->accDoDefaultAction(input_variant);
-      break;
-    case IACCESSIBLE_FUNC_ACCHITTEST :
-      hr = active_iaccessible->accHitTest(in_params.input_long1,
-                                          in_params.input_long2,
-                                          &output_variant);
-      break;
-    case IACCESSIBLE_FUNC_ACCLOCATION :
-      hr = active_iaccessible->accLocation(&out_params->output_long1,
-                                           &out_params->output_long2,
-                                           &out_params->output_long3,
-                                           &out_params->output_long4,
-                                           input_variant);
-      break;
-    case IACCESSIBLE_FUNC_ACCNAVIGATE :
-      hr = active_iaccessible->accNavigate(in_params.input_long1, input_variant,
-                                           &output_variant);
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCCHILD :
-      if (input_variant.lVal == CHILDID_SELF) {
-        // If child requested is CHILDID_SELF, stay with the same IAccessible.
-        out_params->iaccessible_id = in_params.iaccessible_id;
-        hr = S_OK;
-        break;
-      }
-      hr = active_iaccessible->get_accChild(input_variant,
-          reinterpret_cast<IDispatch **>(&output_variant.pdispVal));
-      output_variant.vt = VT_DISPATCH;
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCCHILDCOUNT :
-      hr = active_iaccessible->get_accChildCount(&out_params->output_long1);
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCDEFAULTACTION :
-      hr = active_iaccessible->get_accDefaultAction(input_variant,
-                                                    &output_bstr);
-      string_output = true;
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCDESCRIPTION :
-      hr = active_iaccessible->get_accDescription(input_variant, &output_bstr);
-      string_output = true;
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCFOCUS :
-      hr = active_iaccessible->get_accFocus(&output_variant);
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCHELP :
-      hr = active_iaccessible->get_accHelp(input_variant, &output_bstr);
-      string_output = true;
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCKEYBOARDSHORTCUT :
-      hr = active_iaccessible->get_accKeyboardShortcut(input_variant,
-                                                       &output_bstr);
-      string_output = true;
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCNAME :
-      hr = active_iaccessible->get_accName(input_variant, &output_bstr);
-      string_output = true;
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCPARENT :
-      hr = active_iaccessible->get_accParent(
-          reinterpret_cast<IDispatch **>(&output_variant.pdispVal));
-      output_variant.vt = VT_DISPATCH;
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCROLE :
-      hr = active_iaccessible->get_accRole(input_variant, &output_variant);
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCSTATE :
-      hr = active_iaccessible->get_accState(input_variant, &output_variant);
-      break;
-    case IACCESSIBLE_FUNC_GET_ACCVALUE :
-      hr = active_iaccessible->get_accValue(input_variant, &output_bstr);
-      string_output = true;
-      break;
-    default:
-      // Memory cleanup.
-      ::VariantClear(&input_variant);
-      ::VariantClear(&output_variant);
-
-      // Non-supported function id.
-      return false;
-  }
-
-  // Return code handling.
-  if (hr == S_OK) {
-    out_params->return_code = true;
-
-    // All is ok, assign output string if needed.
-    if (string_output) {
-      out_params->output_string = _bstr_t(output_bstr);
-      ::SysFreeString(output_bstr);
-    }
-
-  } else if (hr == S_FALSE) {
-    out_params->return_code = false;
-  } else {
-    // Memory cleanup.
-    ::VariantClear(&input_variant);
-    ::VariantClear(&output_variant);
-
-    // Generate a generic failure on the browser side. Input validation is the
-    // responsibility of the browser side, as is correctly handling calls to
-    // non-supported functions appropriately.
-    return false;
-  }
-
-  // Output and hashmap assignments, as appropriate.
-  if (output_variant.vt == VT_DISPATCH && output_variant.pdispVal) {
-    IAccessibleToIntMap::iterator it =
-        iaccessible_to_int_map_.find(
-        reinterpret_cast<IAccessible *>(output_variant.pdispVal));
-
-    if (it != iaccessible_to_int_map_.end()) {
-      // Data already present in map, return previously assigned id.
-      out_params->iaccessible_id = it->second;
-      out_params->output_long1 = -1;
-    } else {
-      // Insert new IAccessible in hashmaps.
-      int_to_iaccessible_map_[iaccessible_id_] =
-          reinterpret_cast<IAccessible *>(output_variant.pdispVal);
-      iaccessible_to_int_map_[
-          reinterpret_cast<IAccessible *>(output_variant.pdispVal)] =
-              iaccessible_id_;
-      out_params->iaccessible_id = iaccessible_id_++;
-      out_params->output_long1 = -1;
-    }
-  } else if (output_variant.vt == VT_I4) {
-    out_params->output_long1 = output_variant.lVal;
-  }
-
-  // Memory cleanup.
-  ::VariantClear(&input_variant);
-  ::VariantClear(&output_variant);
-
-  return true;
-}
-
-bool GlueAccessibility::InitAccessibilityRoot(WebView* view) {
-  WebCore::AXObjectCache::enableAccessibility();
-  iaccessible_id_ = 0;
-
-  WebFrame* main_frame = view->GetMainFrame();
-  WebFrameImpl* main_frame_impl = static_cast<WebFrameImpl*>(main_frame);
-  WebCore::Frame* frame = main_frame_impl->frame();
-  WebCore::Document* currentDocument = frame->document();
-
-  if (!currentDocument || !currentDocument->renderer()) {
-    return false;
-  } else if (!root_->accessibility_root_ ||
-             root_->accessibility_root_->document() != currentDocument) {
-    // Either we've never had a wrapper for this frame's top-level Document,
-    // the Document renderer was destroyed and its wrapper was detached, or
-    // the previous Document is in the page cache, and the current document
-    // needs to be wrapped.
-    root_->accessibility_root_ = new AccessibleDocument(currentDocument);
-  }
-  // Insert root in hashmaps.
-  int_to_iaccessible_map_[iaccessible_id_] = root_->accessibility_root_.get();
-  iaccessible_to_int_map_[root_->accessibility_root_.get()] = iaccessible_id_++;
-
-  return true;
-}
-
-bool GlueAccessibility::ClearIAccessibleMap(int iaccessible_id,
-                                            bool clear_all) {
-  if (clear_all) {
-    // Clear maps and invalidate root.
-    int_to_iaccessible_map_.clear();
-    iaccessible_to_int_map_.clear();
-    root_->accessibility_root_ = 0;
-    return true;
-  }
-
-  IntToIAccessibleMap::iterator it =
-      int_to_iaccessible_map_.find(iaccessible_id);
-
-  if (it == int_to_iaccessible_map_.end()) {
-    // Element not found.
-    return false;
-  } else {
-    if (it->second) {
-      // Erase element from reverse hashmap.
-      IAccessibleToIntMap::iterator it2 =
-          iaccessible_to_int_map_.find(it->second.get());
-
-      DCHECK(it2 != iaccessible_to_int_map_.end());
-      iaccessible_to_int_map_.erase(it2);
-    }
-
-    int_to_iaccessible_map_.erase(it);
-
-    if (iaccessible_id == 0) {
-      // Invalidate root.
-      root_->accessibility_root_ = 0;
-    }
-  }
-
-  return true;
-}