Rename browser_accessibility to browser_accessibility_win, and same for...

chrome/browser/browser_accessibility_manager.cc

-// Copyright (c) 2010 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 "chrome/browser/browser_accessibility_manager.h"
-
-#include "base/scoped_comptr_win.h"
-#include "chrome/browser/browser_accessibility.h"
-#include "chrome/browser/renderer_host/render_process_host.h"
-#include "chrome/browser/renderer_host/render_view_host.h"
-#include "chrome/common/render_messages.h"
-
-using webkit_glue::WebAccessibility;
-
-// Factory method to create an instance of BrowserAccessibility
-BrowserAccessibility* BrowserAccessibilityFactory::Create() {
-  CComObject<BrowserAccessibility>* instance;
-  HRESULT hr = CComObject<BrowserAccessibility>::CreateInstance(&instance);
-  DCHECK(SUCCEEDED(hr));
-  return instance->NewReference();
-}
-
-// static
-// Start child IDs at -1 and decrement each time, because clients use
-// child IDs of 1, 2, 3, ... to access the children of an object by
-// index, so we use negative IDs to clearly distinguish between indices
-// and unique IDs.
-LONG BrowserAccessibilityManager::next_child_id_ = -1;
-
-BrowserAccessibilityManager::BrowserAccessibilityManager(
-    HWND parent_hwnd,
-    const webkit_glue::WebAccessibility& src,
-    BrowserAccessibilityDelegate* delegate,
-    BrowserAccessibilityFactory* factory)
-    : parent_hwnd_(parent_hwnd),
-      delegate_(delegate),
-      factory_(factory),
-      focus_(NULL) {
-  HRESULT hr = ::CreateStdAccessibleObject(
-      parent_hwnd_, OBJID_WINDOW, IID_IAccessible,
-      reinterpret_cast<void **>(&window_iaccessible_));
-  DCHECK(SUCCEEDED(hr));
-  root_ = CreateAccessibilityTree(NULL, src, 0);
-  if (!focus_)
-    focus_ = root_;
-}
-
-BrowserAccessibilityManager::~BrowserAccessibilityManager() {
-  // Clients could still hold references to some nodes of the tree, so
-  // calling Inactivate will make sure that as many nodes as possible are
-  // released now, and remaining nodes are marked as inactive so that
-  // calls to any methods on them will return E_FAIL;
-  root_->InactivateTree();
-  root_->Release();
-}
-
-BrowserAccessibility* BrowserAccessibilityManager::GetRoot() {
-  return root_;
-}
-
-BrowserAccessibility* BrowserAccessibilityManager::GetFromChildID(
-    LONG child_id) {
-  base::hash_map<LONG, BrowserAccessibility*>::iterator iter =
-      child_id_map_.find(child_id);
-  if (iter != child_id_map_.end()) {
-    return iter->second;
-  } else {
-    return NULL;
-  }
-}
-
-IAccessible* BrowserAccessibilityManager::GetParentWindowIAccessible() {
-  return window_iaccessible_;
-}
-
-HWND BrowserAccessibilityManager::GetParentHWND() {
-  return parent_hwnd_;
-}
-
-BrowserAccessibility* BrowserAccessibilityManager::GetFocus(
-    BrowserAccessibility* root) {
-  if (focus_ && (!root || focus_->IsDescendantOf(root)))
-    return focus_;
-
-  return NULL;
-}
-
-void BrowserAccessibilityManager::SetFocus(const BrowserAccessibility& node) {
-  if (delegate_)
-    delegate_->SetAccessibilityFocus(node.renderer_id());
-}
-
-void BrowserAccessibilityManager::DoDefaultAction(
-    const BrowserAccessibility& node) {
-  if (delegate_)
-    delegate_->AccessibilityDoDefaultAction(node.renderer_id());
-}
-
-void BrowserAccessibilityManager::OnAccessibilityFocusChange(int renderer_id) {
-  base::hash_map<int, LONG>::iterator iter =
-      renderer_id_to_child_id_map_.find(renderer_id);
-  if (iter == renderer_id_to_child_id_map_.end())
-    return;
-
-  LONG child_id = iter->second;
-  base::hash_map<LONG, BrowserAccessibility*>::iterator uniq_iter =
-    child_id_map_.find(child_id);
-  if (uniq_iter != child_id_map_.end())
-    focus_ = uniq_iter->second;
-  ::NotifyWinEvent(EVENT_OBJECT_FOCUS, parent_hwnd_, OBJID_CLIENT, child_id);
-}
-
-void BrowserAccessibilityManager::OnAccessibilityObjectStateChange(
-    int renderer_id) {
-  base::hash_map<int, LONG>::iterator iter =
-      renderer_id_to_child_id_map_.find(renderer_id);
-  if (iter == renderer_id_to_child_id_map_.end())
-    return;
-
-  LONG child_id = iter->second;
-  ::NotifyWinEvent(EVENT_OBJECT_FOCUS, parent_hwnd_, OBJID_CLIENT, child_id);
-}
-
-BrowserAccessibility* BrowserAccessibilityManager::CreateAccessibilityTree(
-    BrowserAccessibility* parent,
-    const webkit_glue::WebAccessibility& src,
-    int index_in_parent) {
-  BrowserAccessibility* instance = factory_->Create();
-
-  // Get the next child ID, and wrap around when we get near the end
-  // of a 32-bit integer range. It's okay to wrap around; we just want
-  // to avoid it as long as possible because clients may cache the ID of
-  // an object for a while to determine if they've seen it before.
-  LONG child_id = next_child_id_;
-  next_child_id_--;
-  if (next_child_id_ == -2000000000)
-    next_child_id_ = -1;
-
-  instance->Initialize(this, parent, child_id, index_in_parent, src);
-  child_id_map_[child_id] = instance;
-  renderer_id_to_child_id_map_[src.id] = child_id;
-  if ((src.state >> WebAccessibility::STATE_FOCUSED) & 1)
-    focus_ = instance;
-  for (int i = 0; i < static_cast<int>(src.children.size()); ++i) {
-    BrowserAccessibility* child = CreateAccessibilityTree(
-        instance, src.children[i], i);
-    instance->AddChild(child);
-  }
-
-  return instance;
-}