Initial support for native accessibility in ARC

components/exo/shell_surface_unittest.cc

 // Copyright 2015 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 "ash/common/accessibility_delegate.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm/wm_event.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/wm/window_state_aura.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/exo/buffer.h"
 #include "components/exo/display.h"
 #include "components/exo/shell_surface.h"
 #include "components/exo/sub_surface.h"
 #include "components/exo/surface.h"
 #include "components/exo/test/exo_test_base.h"
 #include "components/exo/test/exo_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "ui/accessibility/ax_enums.h"
+#include "ui/accessibility/ax_node_data.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_targeter.h"
 #include "ui/base/hit_test.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
 #include "ui/events/base_event_utils.h"
 #include "ui/views/widget/widget.h"
 #include "ui/wm/core/shadow.h"
 #include "ui/wm/core/shadow_controller.h"
@@ skipping 790 matching lines @@
   ash::WmShell::Get()->accessibility_delegate()->ToggleSpokenFeedback(
       ash::A11Y_NOTIFICATION_NONE);
   shell_surface.OnAccessibilityModeChanged();
   shell_surface2.OnAccessibilityModeChanged();
 
   EXPECT_TRUE(shell_surface.shadow_underlay()->IsVisible());
   EXPECT_EQ(shadow_bounds, shell_surface.shadow_underlay()->bounds());
   EXPECT_EQ(shadow_bounds, shell_surface2.shadow_underlay()->bounds());
 }
 
+TEST_F(ShellSurfaceTest, AccessibilityNodeData) {
+  gfx::Size buffer_size(256, 256);
+  Buffer buffer(exo_test_helper()->CreateGpuMemoryBuffer(buffer_size));
+  Surface surface;
+  ShellSurface shell_surface(&surface, nullptr, gfx::Rect(640, 480), true,
+                             false, ash::kShellWindowId_DefaultContainer);
+
+  surface.Attach(&buffer);
+
+  ui::AXNodeData data;
+  surface.UpdateAXTreeID(1);
+  shell_surface.GetAccessibleNodeData(&data);
+  ASSERT_EQ(1, data.GetIntAttribute(ui::AX_ATTR_CHILD_TREE_ID));
+
+  ui::AXNodeData data2;
+  surface.UpdateAXTreeID(2);
+  shell_surface.GetAccessibleNodeData(&data2);
+  ASSERT_EQ(2, data2.GetIntAttribute(ui::AX_ATTR_CHILD_TREE_ID));
+
+  ui::AXNodeData data3;
+  surface.UpdateAXTreeID(0);
+  shell_surface.GetAccessibleNodeData(&data3);
+  ASSERT_EQ(0, data3.GetIntAttribute(ui::AX_ATTR_CHILD_TREE_ID));
+}
+
 }  // namespace
 }  // namespace exo