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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include <set>
      6 #include <string>
      7 #include <vector>
      8 
      9 #include "base/command_line.h"
     10 #include "base/file_util.h"
     11 #include "base/logging.h"
     12 #include "base/path_service.h"
     13 #include "base/strings/string16.h"
     14 #include "base/strings/string_split.h"
     15 #include "base/strings/string_util.h"
     16 #include "base/strings/utf_string_conversions.h"
     17 #include "content/browser/accessibility/accessibility_tree_formatter.h"
     18 #include "content/browser/accessibility/browser_accessibility.h"
     19 #include "content/browser/accessibility/browser_accessibility_manager.h"
     20 #include "content/browser/renderer_host/render_view_host_impl.h"
     21 #include "content/browser/renderer_host/render_widget_host_view_base.h"
     22 #include "content/public/browser/web_contents.h"
     23 #include "content/public/common/content_paths.h"
     24 #include "content/public/common/content_switches.h"
     25 #include "content/public/common/url_constants.h"
     26 #include "content/public/test/content_browser_test.h"
     27 #include "content/public/test/content_browser_test_utils.h"
     28 #include "content/shell/browser/shell.h"
     29 #include "content/test/accessibility_browser_test_utils.h"
     30 #include "testing/gtest/include/gtest/gtest.h"
     31 
     32 namespace content {
     33 
     34 class AndroidHitTestingBrowserTest : public ContentBrowserTest {
     35  public:
     36   AndroidHitTestingBrowserTest() {}
     37   virtual ~AndroidHitTestingBrowserTest() {}
     38 };
     39 
     40 IN_PROC_BROWSER_TEST_F(AndroidHitTestingBrowserTest,
     41                        HitTestOutsideDocumentBoundsReturnsRoot) {
     42   NavigateToURL(shell(), GURL(url::kAboutBlankURL));
     43 
     44   // Load the page.
     45   AccessibilityNotificationWaiter waiter(
     46       shell(), AccessibilityModeComplete,
     47       ui::AX_EVENT_LOAD_COMPLETE);
     48   const char url_str[] =
     49       "data:text/html,"
     50       "<!doctype html>"
     51       "<html><head><title>Accessibility Test</title></head>"
     52       "<body>"
     53       "<a href='#'>"
     54       "This is some text in a link"
     55       "</a>"
     56       "</body></html>";
     57   GURL url(url_str);
     58   NavigateToURL(shell(), url);
     59   waiter.WaitForNotification();
     60 
     61   // Get the BrowserAccessibilityManager.
     62   RenderWidgetHostViewBase* host_view = static_cast<RenderWidgetHostViewBase*>(
     63       shell()->web_contents()->GetRenderWidgetHostView());
     64   BrowserAccessibilityManager* manager =
     65       host_view->GetBrowserAccessibilityManager();
     66 
     67   // Send a hit test request, and wait for the hover event in response.
     68   AccessibilityNotificationWaiter hover_waiter(
     69       shell(), AccessibilityModeComplete,
     70       ui::AX_EVENT_HOVER);
     71   manager->delegate()->AccessibilityHitTest(gfx::Point(-1, -1));
     72   hover_waiter.WaitForNotification();
     73 
     74   // Assert that the hover event was fired on the root of the tree.
     75   int hover_target_id = hover_waiter.event_target_id();
     76   BrowserAccessibility* hovered_node = manager->GetFromID(hover_target_id);
     77   ASSERT_TRUE(hovered_node != NULL);
     78   ASSERT_EQ(ui::AX_ROLE_ROOT_WEB_AREA, hovered_node->GetRole());
     79 }
     80 
     81 }  // namespace content
     82