content/browser/accessibility/touch_accessibility_aura_browsertest.cc - chromium/src - Git at Google

 // 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 "base/macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "content/browser/accessibility/accessibility_test_utils.h"
 #include "content/browser/accessibility/browser_accessibility.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "content/test/accessibility_browser_test_utils.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/events/event.h"
 #include "ui/events/event_processor.h"
 #include "ui/events/event_utils.h"

 namespace content {

 class TouchAccessibilityBrowserTest : public ContentBrowserTest {
  public:
   TouchAccessibilityBrowserTest() {}

  protected:
   void SetUpOnMainThread() override {
     host_resolver()->AddRule("*", "127.0.0.1");
     ASSERT_TRUE(embedded_test_server()->Start());
     SetupCrossSiteRedirector(embedded_test_server());
   }

   void NavigateToUrlAndWaitForAccessibilityTree(const GURL& url) {
     AccessibilityNotificationWaiter waiter(
         shell(), AccessibilityModeComplete, ui::AX_EVENT_LOAD_COMPLETE);
     NavigateToURL(shell(), url);
     waiter.WaitForNotification();
   }

   void SendTouchExplorationEvent(int x, int y) {
     aura::Window* window = shell()->web_contents()->GetContentNativeView();
     ui::EventProcessor* dispatcher = window->GetHost()->event_processor();
     gfx::Rect bounds = window->GetBoundsInRootWindow();
     gfx::Point location(bounds.x() + x,  bounds.y() + y);
     int flags = ui::EF_TOUCH_ACCESSIBILITY;
     std::unique_ptr<ui::Event> mouse_move_event(
         new ui::MouseEvent(ui::ET_MOUSE_MOVED, location, location,
                            ui::EventTimeForNow(), flags, 0));
     ignore_result(dispatcher->OnEventFromSource(mouse_move_event.get()));
   }

   DISALLOW_COPY_AND_ASSIGN(TouchAccessibilityBrowserTest);
 };

 IN_PROC_BROWSER_TEST_F(TouchAccessibilityBrowserTest,
                        TouchExplorationSendsHoverEvents) {
   // Create HTML with a 7 x 5 table, each exactly 50 x 50 pixels.
   std::string html_url =
       "data:text/html,"
       "<style>"
       "  body { margin: 0; }"
       "  table { border-spacing: 0; border-collapse: collapse; }"
       "  td { width: 50px; height: 50px; padding: 0; }"
       "</style>"
       "<body>"
       "<table>";
   int cell = 0;
   for (int row = 0; row < 5; ++row) {
     html_url += "<tr>";
     for (int col = 0; col < 7; ++col) {
       html_url += "<td>" + base::IntToString(cell) + "</td>";
       ++cell;
     }
     html_url += "</tr>";
   }
   html_url += "</table></body>";

   NavigateToUrlAndWaitForAccessibilityTree(GURL(html_url));

   // Get the BrowserAccessibilityManager.
   WebContentsImpl* web_contents = static_cast<WebContentsImpl*>(
       shell()->web_contents());
   BrowserAccessibilityManager* manager =
       web_contents->GetRootBrowserAccessibilityManager();
   ASSERT_NE(nullptr, manager);

   // Loop over all of the cells in the table. For each one, send a simulated
   // touch exploration event in the center of that cell, and assert that we
   // get an accessibility hover event fired in the correct cell.
   AccessibilityNotificationWaiter waiter(
       shell(), AccessibilityModeComplete, ui::AX_EVENT_HOVER);
   for (int row = 0; row < 5; ++row) {
     for (int col = 0; col < 7; ++col) {
       std::string expected_cell_text = base::IntToString(row * 7 + col);
       VLOG(1) << "Sending event in row " << row << " col " << col
               << " with text " << expected_cell_text;
       SendTouchExplorationEvent(50 * col + 25, 50 * row + 25);

       // Wait until we get a hover event in the expected grid cell.
       // Tolerate additional events, keep looping until we get the expected one.
       std::string cell_text;
       do {
         waiter.WaitForNotification();
         int target_id = waiter.event_target_id();
         BrowserAccessibility* hit = manager->GetFromID(target_id);
         BrowserAccessibility* child = hit->PlatformGetChild(0);
         ASSERT_NE(nullptr, child);
         cell_text = child->GetData().GetStringAttribute(ui::AX_ATTR_NAME);
         VLOG(1) << "Got hover event in cell with text: " << cell_text;
       } while (cell_text != expected_cell_text);
     }
   }
 }

 IN_PROC_BROWSER_TEST_F(TouchAccessibilityBrowserTest,
                        TouchExplorationInIframe) {
   NavigateToUrlAndWaitForAccessibilityTree(
       embedded_test_server()->GetURL(
           "/accessibility/html/iframe-coordinates.html"));

   WaitForAccessibilityTreeToContainNodeWithName(
       shell()->web_contents(), "Ordinary Button");

   // Get the BrowserAccessibilityManager for the first child frame.
   RenderFrameHostImpl* main_frame = static_cast<RenderFrameHostImpl*>(
       shell()->web_contents()->GetMainFrame());
   RenderFrameHostImpl* child_frame =
       main_frame->frame_tree_node()->child_at(0)->current_frame_host();
   BrowserAccessibilityManager* child_manager =
       child_frame->GetOrCreateBrowserAccessibilityManager();
   ASSERT_NE(nullptr, child_manager);

   // Send a touch exploration event to the button in the first iframe.
   // A touch exploration event is just a mouse move event with
   // the ui::EF_TOUCH_ACCESSIBILITY flag set.
   AccessibilityNotificationWaiter waiter(
       child_frame, ui::AX_EVENT_HOVER);
   SendTouchExplorationEvent(50, 350);
   waiter.WaitForNotification();
   int target_id = waiter.event_target_id();
   BrowserAccessibility* hit = child_manager->GetFromID(target_id);
   EXPECT_EQ(ui::AX_ROLE_BUTTON, hit->GetData().role);
   std::string text = hit->GetData().GetStringAttribute(ui::AX_ATTR_NAME);
   EXPECT_EQ("Ordinary Button", text);
 }

 IN_PROC_BROWSER_TEST_F(TouchAccessibilityBrowserTest,
                        TouchExplorationInCrossSiteIframe) {
   NavigateToUrlAndWaitForAccessibilityTree(
       embedded_test_server()->GetURL(
           "/accessibility/html/iframe-coordinates-cross-process.html"));

   WaitForAccessibilityTreeToContainNodeWithName(
       shell()->web_contents(), "Ordinary Button");

   // Get the BrowserAccessibilityManager for the first child frame.
   RenderFrameHostImpl* main_frame = static_cast<RenderFrameHostImpl*>(
       shell()->web_contents()->GetMainFrame());
   RenderFrameHostImpl* child_frame =
       main_frame->frame_tree_node()->child_at(0)->current_frame_host();
   BrowserAccessibilityManager* child_manager =
       child_frame->GetOrCreateBrowserAccessibilityManager();
   ASSERT_NE(nullptr, child_manager);

   // Send a touch exploration event to the button in the first iframe.
   // A touch exploration event is just a mouse move event with
   // the ui::EF_TOUCH_ACCESSIBILITY flag set.
   AccessibilityNotificationWaiter waiter(
       child_frame, ui::AX_EVENT_HOVER);
   SendTouchExplorationEvent(50, 350);
   waiter.WaitForNotification();
   int target_id = waiter.event_target_id();
   BrowserAccessibility* hit = child_manager->GetFromID(target_id);
   EXPECT_EQ(ui::AX_ROLE_BUTTON, hit->GetData().role);
   std::string text = hit->GetData().GetStringAttribute(ui::AX_ATTR_NAME);
   EXPECT_EQ("Ordinary Button", text);
 }

 }  // namespace content
	// 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 "base/macros.h"
	#include "base/strings/string_number_conversions.h"
	#include "content/browser/accessibility/accessibility_test_utils.h"
	#include "content/browser/accessibility/browser_accessibility.h"
	#include "content/browser/web_contents/web_contents_impl.h"
	#include "content/public/test/browser_test_utils.h"
	#include "content/public/test/content_browser_test.h"
	#include "content/public/test/content_browser_test_utils.h"
	#include "content/shell/browser/shell.h"
	#include "content/test/accessibility_browser_test_utils.h"
	#include "net/dns/mock_host_resolver.h"
	#include "net/test/embedded_test_server/embedded_test_server.h"
	#include "ui/accessibility/ax_node_data.h"
	#include "ui/aura/window.h"
	#include "ui/aura/window_tree_host.h"
	#include "ui/events/event.h"
	#include "ui/events/event_processor.h"
	#include "ui/events/event_utils.h"

	namespace content {

	class TouchAccessibilityBrowserTest : public ContentBrowserTest {
	public:
	TouchAccessibilityBrowserTest() {}

	protected:
	void SetUpOnMainThread() override {
	host_resolver()->AddRule("*", "127.0.0.1");
	ASSERT_TRUE(embedded_test_server()->Start());
	SetupCrossSiteRedirector(embedded_test_server());
	}

	void NavigateToUrlAndWaitForAccessibilityTree(const GURL& url) {
	AccessibilityNotificationWaiter waiter(
	shell(), AccessibilityModeComplete, ui::AX_EVENT_LOAD_COMPLETE);
	NavigateToURL(shell(), url);
	waiter.WaitForNotification();
	}

	void SendTouchExplorationEvent(int x, int y) {
	aura::Window* window = shell()->web_contents()->GetContentNativeView();
	ui::EventProcessor* dispatcher = window->GetHost()->event_processor();
	gfx::Rect bounds = window->GetBoundsInRootWindow();
	gfx::Point location(bounds.x() + x, bounds.y() + y);
	int flags = ui::EF_TOUCH_ACCESSIBILITY;
	std::unique_ptr<ui::Event> mouse_move_event(
	new ui::MouseEvent(ui::ET_MOUSE_MOVED, location, location,
	ui::EventTimeForNow(), flags, 0));
	ignore_result(dispatcher->OnEventFromSource(mouse_move_event.get()));
	}

	DISALLOW_COPY_AND_ASSIGN(TouchAccessibilityBrowserTest);
	};

	IN_PROC_BROWSER_TEST_F(TouchAccessibilityBrowserTest,
	TouchExplorationSendsHoverEvents) {
	// Create HTML with a 7 x 5 table, each exactly 50 x 50 pixels.
	std::string html_url =
	"data:text/html,"
	"<style>"
	" body { margin: 0; }"
	" table { border-spacing: 0; border-collapse: collapse; }"
	" td { width: 50px; height: 50px; padding: 0; }"
	"</style>"
	"<body>"
	"<table>";
	int cell = 0;
	for (int row = 0; row < 5; ++row) {
	html_url += "<tr>";
	for (int col = 0; col < 7; ++col) {
	html_url += "<td>" + base::IntToString(cell) + "</td>";
	++cell;
	}
	html_url += "</tr>";
	}
	html_url += "</table></body>";

	NavigateToUrlAndWaitForAccessibilityTree(GURL(html_url));

	// Get the BrowserAccessibilityManager.
	WebContentsImpl* web_contents = static_cast<WebContentsImpl*>(
	shell()->web_contents());
	BrowserAccessibilityManager* manager =
	web_contents->GetRootBrowserAccessibilityManager();
	ASSERT_NE(nullptr, manager);

	// Loop over all of the cells in the table. For each one, send a simulated
	// touch exploration event in the center of that cell, and assert that we
	// get an accessibility hover event fired in the correct cell.
	AccessibilityNotificationWaiter waiter(
	shell(), AccessibilityModeComplete, ui::AX_EVENT_HOVER);
	for (int row = 0; row < 5; ++row) {
	for (int col = 0; col < 7; ++col) {
	std::string expected_cell_text = base::IntToString(row * 7 + col);
	VLOG(1) << "Sending event in row " << row << " col " << col
	<< " with text " << expected_cell_text;
	SendTouchExplorationEvent(50 * col + 25, 50 * row + 25);

	// Wait until we get a hover event in the expected grid cell.
	// Tolerate additional events, keep looping until we get the expected one.
	std::string cell_text;
	do {
	waiter.WaitForNotification();
	int target_id = waiter.event_target_id();
	BrowserAccessibility* hit = manager->GetFromID(target_id);
	BrowserAccessibility* child = hit->PlatformGetChild(0);
	ASSERT_NE(nullptr, child);
	cell_text = child->GetData().GetStringAttribute(ui::AX_ATTR_NAME);
	VLOG(1) << "Got hover event in cell with text: " << cell_text;
	} while (cell_text != expected_cell_text);
	}
	}
	}

	IN_PROC_BROWSER_TEST_F(TouchAccessibilityBrowserTest,
	TouchExplorationInIframe) {
	NavigateToUrlAndWaitForAccessibilityTree(
	embedded_test_server()->GetURL(
	"/accessibility/html/iframe-coordinates.html"));

	WaitForAccessibilityTreeToContainNodeWithName(
	shell()->web_contents(), "Ordinary Button");

	// Get the BrowserAccessibilityManager for the first child frame.
	RenderFrameHostImpl* main_frame = static_cast<RenderFrameHostImpl*>(
	shell()->web_contents()->GetMainFrame());
	RenderFrameHostImpl* child_frame =
	main_frame->frame_tree_node()->child_at(0)->current_frame_host();
	BrowserAccessibilityManager* child_manager =
	child_frame->GetOrCreateBrowserAccessibilityManager();
	ASSERT_NE(nullptr, child_manager);

	// Send a touch exploration event to the button in the first iframe.
	// A touch exploration event is just a mouse move event with
	// the ui::EF_TOUCH_ACCESSIBILITY flag set.
	AccessibilityNotificationWaiter waiter(
	child_frame, ui::AX_EVENT_HOVER);
	SendTouchExplorationEvent(50, 350);
	waiter.WaitForNotification();
	int target_id = waiter.event_target_id();
	BrowserAccessibility* hit = child_manager->GetFromID(target_id);
	EXPECT_EQ(ui::AX_ROLE_BUTTON, hit->GetData().role);
	std::string text = hit->GetData().GetStringAttribute(ui::AX_ATTR_NAME);
	EXPECT_EQ("Ordinary Button", text);
	}

	IN_PROC_BROWSER_TEST_F(TouchAccessibilityBrowserTest,
	TouchExplorationInCrossSiteIframe) {
	NavigateToUrlAndWaitForAccessibilityTree(
	embedded_test_server()->GetURL(
	"/accessibility/html/iframe-coordinates-cross-process.html"));

	WaitForAccessibilityTreeToContainNodeWithName(
	shell()->web_contents(), "Ordinary Button");

	// Get the BrowserAccessibilityManager for the first child frame.
	RenderFrameHostImpl* main_frame = static_cast<RenderFrameHostImpl*>(
	shell()->web_contents()->GetMainFrame());
	RenderFrameHostImpl* child_frame =
	main_frame->frame_tree_node()->child_at(0)->current_frame_host();
	BrowserAccessibilityManager* child_manager =
	child_frame->GetOrCreateBrowserAccessibilityManager();
	ASSERT_NE(nullptr, child_manager);

	// Send a touch exploration event to the button in the first iframe.
	// A touch exploration event is just a mouse move event with
	// the ui::EF_TOUCH_ACCESSIBILITY flag set.
	AccessibilityNotificationWaiter waiter(
	child_frame, ui::AX_EVENT_HOVER);
	SendTouchExplorationEvent(50, 350);
	waiter.WaitForNotification();
	int target_id = waiter.event_target_id();
	BrowserAccessibility* hit = child_manager->GetFromID(target_id);
	EXPECT_EQ(ui::AX_ROLE_BUTTON, hit->GetData().role);
	std::string text = hit->GetData().GetStringAttribute(ui::AX_ATTR_NAME);
	EXPECT_EQ("Ordinary Button", text);
	}

	} // namespace content