Create AXAction and AXActionData as a way to simplify accessibility actions

chrome/browser/extensions/api/automation_internal/automation_internal_api.cc

 // Copyright 2014 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/extensions/api/automation_internal/automation_internal_api.h"
 
 #include <stdint.h>
 
 #include <vector>
 
@@ skipping 144 matching lines @@
 
 // Helper class that implements an action adapter for a |RenderFrameHost|.
 class RenderFrameHostActionAdapter : public AutomationActionAdapter {
  public:
   explicit RenderFrameHostActionAdapter(content::RenderFrameHost* rfh)
       : rfh_(rfh) {}
 
   virtual ~RenderFrameHostActionAdapter() {}
 
   // AutomationActionAdapter implementation.
-  void DoDefault(int32_t id) override {
-    rfh_->AccessibilityDoDefaultAction(id);
-  }
-
-  void Focus(int32_t id) override { rfh_->AccessibilitySetFocus(id); }
-
-  void MakeVisible(int32_t id) override {
-    rfh_->AccessibilityScrollToMakeVisible(id, gfx::Rect());
-  }
-
-  void SetSelection(int32_t anchor_id,
-                    int32_t anchor_offset,
-                    int32_t focus_id,
-                    int32_t focus_offset) override {
-    rfh_->AccessibilitySetSelection(anchor_id, anchor_offset, focus_id,
-                                    focus_offset);
-  }
-
-  void ShowContextMenu(int32_t id) override {
-    rfh_->AccessibilityShowContextMenu(id);
+  void PerformAction(ui::AXAction action,
+                     const ui::AXActionData& data) override {
+    rfh_->AccessibilityPerformAction(action, data);
   }
 
  private:
   content::RenderFrameHost* rfh_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostActionAdapter);
 };
 
 }  // namespace
 
@@ skipping 164 matching lines @@
   }
 
   RenderFrameHostActionAdapter adapter(rfh);
   return RouteActionToAdapter(params.get(), &adapter);
 }
 
 ExtensionFunction::ResponseAction
 AutomationInternalPerformActionFunction::RouteActionToAdapter(
     api::automation_internal::PerformAction::Params* params,
     AutomationActionAdapter* adapter) {
-  int32_t automation_id = params->args.automation_node_id;
+  ui::AXActionData data;
+  data.target_node_id = params->args.automation_node_id;
   switch (params->args.action_type) {
     case api::automation_internal::ACTION_TYPE_DODEFAULT:
-      adapter->DoDefault(automation_id);
+      adapter->PerformAction(ui::AX_ACTION_DO_DEFAULT, data);
       break;
     case api::automation_internal::ACTION_TYPE_FOCUS:
-      adapter->Focus(automation_id);
+      adapter->PerformAction(ui::AX_ACTION_SET_FOCUS, data);
       break;
     case api::automation_internal::ACTION_TYPE_MAKEVISIBLE:
-      adapter->MakeVisible(automation_id);
+      adapter->PerformAction(ui::AX_ACTION_SCROLL_TO_MAKE_VISIBLE, data);
       break;
     case api::automation_internal::ACTION_TYPE_SETSELECTION: {
       api::automation_internal::SetSelectionParams selection_params;
       EXTENSION_FUNCTION_VALIDATE(
           api::automation_internal::SetSelectionParams::Populate(
               params->opt_args.additional_properties, &selection_params));
-      adapter->SetSelection(automation_id, selection_params.anchor_offset,
-                            selection_params.focus_node_id,
-                            selection_params.focus_offset);
+      data.anchor_node_id = params->args.automation_node_id;
+      data.anchor_offset = selection_params.anchor_offset;
+      data.focus_node_id = selection_params.focus_node_id;
+      data.focus_offset = selection_params.focus_offset;
+      adapter->PerformAction(ui::AX_ACTION_SET_SELECTION, data);
       break;
     }
     case api::automation_internal::ACTION_TYPE_SHOWCONTEXTMENU: {
-      adapter->ShowContextMenu(automation_id);
+      adapter->PerformAction(ui::AX_ACTION_SHOW_CONTEXT_MENU, data);
+      break;
+    }
+    case api::automation_internal::ACTION_TYPE_SETACCESSIBILITYFOCUS: {
+      adapter->PerformAction(ui::AX_ACTION_SET_ACCESSIBILITY_FOCUS, data);
       break;
     }
     default:
       NOTREACHED();
   }
   return RespondNow(NoArguments());
 }
 
 ExtensionFunction::ResponseAction
 AutomationInternalEnableDesktopFunction::Run() {
@@ skipping 60 matching lines @@
   if (!error.empty()) {
     Respond(Error(error));
     return;
   }
 
   Respond(
       OneArgument(base::MakeUnique<base::FundamentalValue>(result_acc_obj_id)));
 }
 
 }  // namespace extensions