Add setSelection function to automation API.

content/renderer/accessibility/renderer_accessibility.cc

 // Copyright (c) 2012 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/renderer/accessibility/renderer_accessibility.h"
 
 #include <queue>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 84 matching lines @@
 bool RendererAccessibility::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RendererAccessibility, message)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_SetFocus, OnSetFocus)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_DoDefaultAction, OnDoDefaultAction)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_Events_ACK, OnEventsAck)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_ScrollToMakeVisible,
                         OnScrollToMakeVisible)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_ScrollToPoint, OnScrollToPoint)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_SetScrollOffset, OnSetScrollOffset)
-    IPC_MESSAGE_HANDLER(AccessibilityMsg_SetTextSelection, OnSetTextSelection)
+    IPC_MESSAGE_HANDLER(AccessibilityMsg_SetSelection, OnSetSelection)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_SetValue, OnSetValue)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_ShowContextMenu, OnShowContextMenu)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_HitTest, OnHitTest)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_SetAccessibilityFocus,
                         OnSetAccessibilityFocus)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_Reset, OnReset)
     IPC_MESSAGE_HANDLER(AccessibilityMsg_FatalError, OnFatalError)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ skipping 379 matching lines @@
   }
 
   // By convention, calling SetFocus on the root of the tree should clear the
   // current focus. Otherwise set the focus to the new node.
   if (acc_obj_id == root.axID())
     render_frame_->GetRenderView()->GetWebView()->clearFocusedElement();
   else
     obj.setFocused(true);
 }
 
-void RendererAccessibility::OnSetTextSelection(
-    int acc_obj_id, int start_offset, int end_offset) {
+void RendererAccessibility::OnSetSelection(
+    int anchor_acc_obj_id, int anchor_offset,

[nasko, 2015/09/23 16:08:34]

Each parameter on a new line.

+    int focus_acc_obj_id, int focus_offset) {
   const WebDocument& document = GetMainDocument();
   if (document.isNull())
     return;
 
-  WebAXObject obj = document.accessibilityObjectFromID(acc_obj_id);
-  if (obj.isDetached()) {
+  WebAXObject anchor_obj =
+      document.accessibilityObjectFromID(anchor_acc_obj_id);
+  if (anchor_obj.isDetached()) {
 #ifndef NDEBUG
-    LOG(WARNING) << "SetTextSelection on invalid object id " << acc_obj_id;
+    LOG(WARNING) << "SetTextSelection on invalid object id "
+                 << anchor_acc_obj_id;
 #endif
     return;
   }
 
-  obj.setSelectedTextRange(start_offset, end_offset);
+  WebAXObject focus_obj =
+      document.accessibilityObjectFromID(focus_acc_obj_id);
+  if (focus_obj.isDetached()) {
+#ifndef NDEBUG
+    LOG(WARNING) << "SetTextSelection on invalid object id "
+                 << focus_acc_obj_id;
+#endif
+    return;
+  }
+
+  anchor_obj.setSelection(anchor_obj, anchor_offset, focus_obj, focus_offset);
   WebAXObject root = document.accessibilityObject();
   if (root.isDetached()) {
 #ifndef NDEBUG
     LOG(WARNING) << "OnSetAccessibilityFocus but root is invalid";
 #endif
     return;
   }
   HandleAXEvent(root, ui::AX_EVENT_LAYOUT_COMPLETE);
 }
 
@@ skipping 26 matching lines @@
 #ifndef NDEBUG
     LOG(WARNING) << "ShowContextMenu on invalid object id " << acc_obj_id;
 #endif
     return;
   }
 
   obj.showContextMenu();
 }
 
 }  // namespace content