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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include "base/check.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/browser_context.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/scoped_accessibility_mode_override.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "net/test/embedded_test_server/request_handler_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/accessibility/ax_enums.mojom.h"
#include "ui/accessibility/ax_node.h"
#include "ui/accessibility/ax_tree.h"
#include "ui/views/controls/webview/webview.h"
#include "url/gurl.h"
constexpr base::FilePath::CharType kDocRoot[] =
FILE_PATH_LITERAL("chrome/test/data/accessibility");
namespace {
int CountOffscreenButtons(const ui::AXTree* tree, const ui::AXNode* node) {
int count = 0;
if (node->GetRole() == ax::mojom::Role::kButton) {
bool offscreen = false;
tree->GetTreeBounds(node, &offscreen, /*clip_bounds=*/true);
if (offscreen) {
count++;
}
}
for (const ui::AXNode* child : node->children()) {
count += CountOffscreenButtons(tree, child);
}
return count;
}
int CountOffscreenButtons(const ui::AXTreeUpdate& tree_update) {
ui::AXTree tree(tree_update);
DCHECK(tree.root());
return CountOffscreenButtons(&tree, tree.root());
}
} // namespace
class WebViewBrowserTest : public InProcessBrowserTest {
public:
WebViewBrowserTest() : https_server_(net::EmbeddedTestServer::TYPE_HTTPS) {
https_server_.AddDefaultHandlers(base::FilePath(kDocRoot));
}
WebViewBrowserTest(const WebViewBrowserTest&) = delete;
WebViewBrowserTest& operator=(const WebViewBrowserTest&) = delete;
protected:
void SetUpOnMainThread() override {
InProcessBrowserTest::SetUpOnMainThread();
ASSERT_TRUE(https_server_.Start());
scoped_accessibility_mode_.emplace(
browser()->tab_strip_model()->GetActiveWebContents(),
ui::kAXModeComplete | ui::AXMode::kLabelImages);
}
void TearDownOnMainThread() override { scoped_accessibility_mode_.reset(); }
net::EmbeddedTestServer https_server_;
private:
std::optional<content::ScopedAccessibilityModeOverride>
scoped_accessibility_mode_;
};
// Flaky. https://crbug.com/1013805
IN_PROC_BROWSER_TEST_F(WebViewBrowserTest, DISABLED_ResizeWebView) {
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), https_server_.GetURL("/fixed_size_document.html")));
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
BrowserView* browser_view = BrowserView::GetBrowserViewForBrowser(browser());
views::WebView* contents_web_view = browser_view->contents_web_view();
// Resize the web view so that only one of the two buttons fits.
contents_web_view->SetSize(gfx::Size(300, 140));
content::WaitForAccessibilityTreeToContainNodeWithName(web_contents,
"Button 2");
// Wait for just one button to be offscreen
while (1 != CountOffscreenButtons(
content::GetAccessibilityTreeSnapshot(web_contents))) {
content::WaitForAccessibilityTreeToChange(web_contents);
}
// Now resize the frame to be large enough for both buttons.
contents_web_view->SetSize(gfx::Size(300, 500));
// Now no buttons should be offscreen.
while (0 != CountOffscreenButtons(
content::GetAccessibilityTreeSnapshot(web_contents))) {
content::WaitForAccessibilityTreeToChange(web_contents);
}
}
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