Add more fine-grained accessibility modes.

content/browser/frame_host/render_frame_host_impl.cc

 // Copyright 2013 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 "content/browser/frame_host/render_frame_host_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/debug/dump_without_crashing.h"
 #include "base/lazy_instance.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/process/kill.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
-#include "content/browser/accessibility/accessibility_mode_helper.h"
 #include "content/browser/accessibility/ax_tree_id_registry.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
 #include "content/browser/bluetooth/web_bluetooth_service_impl.h"
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/devtools/render_frame_devtools_agent_host.h"
 #include "content/browser/download/mhtml_generation_manager.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/frame_host/debug_urls.h"
@@ skipping 1872 matching lines @@
   if (accessibility_reset_token_ != reset_token) {
     Send(new AccessibilityMsg_Events_ACK(routing_id_, ack_token));
     return;
   }
   accessibility_reset_token_ = 0;
 
   RenderWidgetHostViewBase* view = GetViewForAccessibility();
 
   AccessibilityMode accessibility_mode = delegate_->GetAccessibilityMode();
   if ((accessibility_mode != AccessibilityModeOff) && view && is_active()) {
-    if (accessibility_mode & AccessibilityModeFlagPlatform)
+    if (accessibility_mode & ACCESSIBILITY_MODE_FLAG_NATIVE_APIS)
       GetOrCreateBrowserAccessibilityManager();
 
     std::vector<AXEventNotificationDetails> details;
     details.reserve(params.size());
     for (size_t i = 0; i < params.size(); ++i) {
       const AccessibilityHostMsg_EventParams& param = params[i];
       AXEventNotificationDetails detail;
       detail.event_type = param.event_type;
       detail.id = param.id;
       detail.ax_tree_id = GetAXTreeID();
       detail.event_from = param.event_from;
       if (param.update.has_tree_data) {
         detail.update.has_tree_data = true;
         ax_content_tree_data_ = param.update.tree_data;
         AXContentTreeDataToAXTreeData(&detail.update.tree_data);
       }
       detail.update.root_id = param.update.root_id;
       detail.update.node_id_to_clear = param.update.node_id_to_clear;
       detail.update.nodes.resize(param.update.nodes.size());
       for (size_t i = 0; i < param.update.nodes.size(); ++i) {
         AXContentNodeDataToAXNodeData(param.update.nodes[i],
                                       &detail.update.nodes[i]);
       }
       details.push_back(detail);
     }
 
-    if (accessibility_mode & AccessibilityModeFlagPlatform) {
+    if (accessibility_mode & ACCESSIBILITY_MODE_FLAG_NATIVE_APIS) {
       if (browser_accessibility_manager_)
         browser_accessibility_manager_->OnAccessibilityEvents(details);
     }
 
-    // Send the updates to the automation extension API.
     delegate_->AccessibilityEventReceived(details);
 
     // For testing only.
     if (!accessibility_testing_callback_.is_null()) {
       for (size_t i = 0; i < details.size(); i++) {
         const AXEventNotificationDetails& detail = details[i];
         if (static_cast<int>(detail.event_type) < 0)
           continue;
 
         if (!ax_tree_for_testing_) {
@@ skipping 20 matching lines @@
 
 void RenderFrameHostImpl::OnAccessibilityLocationChanges(
     const std::vector<AccessibilityHostMsg_LocationChangeParams>& params) {
   if (accessibility_reset_token_)
     return;
 
   RenderWidgetHostViewBase* view = static_cast<RenderWidgetHostViewBase*>(
       render_view_host_->GetWidget()->GetView());
   if (view && is_active()) {
     AccessibilityMode accessibility_mode = delegate_->GetAccessibilityMode();
-    if (accessibility_mode & AccessibilityModeFlagPlatform) {
+    if (accessibility_mode & ACCESSIBILITY_MODE_FLAG_NATIVE_APIS) {
       BrowserAccessibilityManager* manager =
           GetOrCreateBrowserAccessibilityManager();
       if (manager)
         manager->OnLocationChanges(params);
     }
 
     // Send the updates to the automation extension API.
     std::vector<AXLocationChangeNotificationDetails> details;
     details.reserve(params.size());
     for (size_t i = 0; i < params.size(); ++i) {
       const AccessibilityHostMsg_LocationChangeParams& param = params[i];
       AXLocationChangeNotificationDetails detail;
       detail.id = param.id;
       detail.ax_tree_id = GetAXTreeID();
       detail.new_location = param.new_location;
       details.push_back(detail);
     }
     delegate_->AccessibilityLocationChangesReceived(details);
   }
 }
 
 void RenderFrameHostImpl::OnAccessibilityFindInPageResult(
     const AccessibilityHostMsg_FindInPageResultParams& params) {
   AccessibilityMode accessibility_mode = delegate_->GetAccessibilityMode();
-  if (accessibility_mode & AccessibilityModeFlagPlatform) {
+  if (accessibility_mode & ACCESSIBILITY_MODE_FLAG_NATIVE_APIS) {
     BrowserAccessibilityManager* manager =
         GetOrCreateBrowserAccessibilityManager();
     if (manager) {
       manager->OnFindInPageResult(
           params.request_id, params.match_index, params.start_id,
           params.start_offset, params.end_id, params.end_offset);
     }
   }
 }
 
@@ skipping 853 matching lines @@
     bool is_root_frame = !frame_tree_node()->parent();
     browser_accessibility_manager_.reset(
         view->CreateBrowserAccessibilityManager(this, is_root_frame));
   }
   return browser_accessibility_manager_.get();
 }
 
 void RenderFrameHostImpl::ActivateFindInPageResultForAccessibility(
     int request_id) {
   AccessibilityMode accessibility_mode = delegate_->GetAccessibilityMode();
-  if (accessibility_mode & AccessibilityModeFlagPlatform) {
+  if (accessibility_mode & ACCESSIBILITY_MODE_FLAG_NATIVE_APIS) {
     BrowserAccessibilityManager* manager =
         GetOrCreateBrowserAccessibilityManager();
     if (manager)
       manager->ActivateFindInPageResult(request_id);
   }
 }
 
 void RenderFrameHostImpl::InsertVisualStateCallback(
     const VisualStateCallback& callback) {
   static uint64_t next_id = 1;
@@ skipping 435 matching lines @@
   // pending_nav_entry_id. If the previous handle was a prematurely aborted
   // navigation loaded via LoadDataWithBaseURL, propagate the entry id.
   return NavigationHandleImpl::Create(
       params.url, frame_tree_node_, is_renderer_initiated,
       params.was_within_same_page, base::TimeTicks::Now(),
       entry_id_for_data_nav, params.gesture,
       false);  // started_from_context_menu
 }
 
 }  // namespace content