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Unified Diff: content/browser/accessibility/touch_accessibility_aura_browsertest.cc

Issue 1375703002: Fire accessibility hover events when the touch exploration flag is set. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Use asserts instead of checks in test Created 5 years, 3 months ago
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Index: content/browser/accessibility/touch_accessibility_aura_browsertest.cc
diff --git a/content/browser/accessibility/touch_accessibility_aura_browsertest.cc b/content/browser/accessibility/touch_accessibility_aura_browsertest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..fe92e3bad3e6d2c219898790163faefb9efe5731
--- /dev/null
+++ b/content/browser/accessibility/touch_accessibility_aura_browsertest.cc
@@ -0,0 +1,107 @@
+// 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/strings/string_number_conversions.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 "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() {}
+
+ 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>";
+
+ // Navigate to the url and load the accessibility tree.
+ AccessibilityNotificationWaiter waiter(
+ shell(), AccessibilityModeComplete, ui::AX_EVENT_LOAD_COMPLETE);
+ GURL url(html_url);
+ NavigateToURL(shell(), url);
+ waiter.WaitForNotification();
+
+ // 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 waiter2(
+ shell(), AccessibilityModeComplete, ui::AX_EVENT_HOVER);
+ aura::Window* window = web_contents->GetContentNativeView();
+ ui::EventProcessor* dispatcher = window->GetHost()->event_processor();
+ 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;
+
+ // Send a touch exploration event to the center of the particular grid
+ // cell. A touch exploration event is just a mouse move event with
+ // the ui::EF_TOUCH_ACCESSIBILITY flag set.
+ gfx::Rect bounds = window->GetBoundsInRootWindow();
+ gfx::PointF location(bounds.x() + 50 * col + 25,
+ bounds.y() + 50 * row + 25);
+ int flags = ui::EF_TOUCH_ACCESSIBILITY;
+ scoped_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()));
+
+ // 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 {
+ waiter2.WaitForNotification();
+ int target_id = waiter2.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_VALUE);
+ VLOG(1) << "Got hover event in cell with text: " << cell_text;
+ } while (cell_text != expected_cell_text);
+ }
+ }
+}
+
+} // namespace content
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