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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/browser_window.h"
#import <Cocoa/Cocoa.h>
#include <memory>
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/lifetime/application_lifetime_desktop.h"
#include "chrome/browser/ui/browser_command_controller.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/remote_cocoa/app_shim/native_widget_mac_nswindow.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test.h"
#include "testing/gtest_mac.h"
#include "ui/accessibility/accessibility_switches.h"
#import "ui/base/cocoa/window_size_constants.h"
#include "ui/base/test/ns_ax_tree_validator.h"
// Test harness for Mac-specific behaviors of BrowserWindow.
class BrowserWindowMacTest : public InProcessBrowserTest {
public:
BrowserWindowMacTest() = default;
BrowserWindowMacTest(const BrowserWindowMacTest&) = delete;
BrowserWindowMacTest& operator=(const BrowserWindowMacTest&) = delete;
};
// Test that mainMenu commands do not attempt to validate against a Browser*
// that is destroyed.
IN_PROC_BROWSER_TEST_F(BrowserWindowMacTest, MenuCommandsAfterDestroy) {
// Simulate AppKit (e.g. NSMenu) retaining an NSWindow.
NSWindow* window = browser()->window()->GetNativeWindow().GetNativeNSWindow();
NSMenuItem* bookmark_menu_item =
[[[[NSApp mainMenu] itemWithTag:IDC_BOOKMARKS_MENU] submenu]
itemWithTag:IDC_BOOKMARK_THIS_TAB];
EXPECT_TRUE(window);
EXPECT_TRUE(bookmark_menu_item);
chrome::CloseAllBrowsersAndQuit();
ui_test_utils::WaitForBrowserToClose();
EXPECT_EQ([bookmark_menu_item action], @selector(commandDispatch:));
// Try validating a command via the NSUserInterfaceValidation protocol.
// With the delegates removed, CommandDispatcher ends up calling into the
// NSWindow (e.g. NativeWidgetMacNSWindow)'s defaultValidateUserInterfaceItem,
// which currently asks |super|. That is, NSWindow. Which says YES.
EXPECT_TRUE([window validateUserInterfaceItem:bookmark_menu_item]);
}
// Test that mainMenu commands from child windows are validated by the window
// chain.
// TODO(crbug.com/40898643): Disabled because this test is flaky.
IN_PROC_BROWSER_TEST_F(BrowserWindowMacTest,
DISABLED_MenuCommandsFromChildWindow) {
NativeWidgetMacNSWindow* window =
base::apple::ObjCCastStrict<NativeWidgetMacNSWindow>(
browser()->window()->GetNativeWindow().GetNativeNSWindow());
// Create a child window.
NativeWidgetMacNSWindow* child_window = [[NativeWidgetMacNSWindow alloc]
initWithContentRect:ui::kWindowSizeDeterminedLater
styleMask:NSWindowStyleMaskBorderless
backing:NSBackingStoreBuffered
defer:NO];
child_window.releasedWhenClosed = NO;
[window addChildWindow:child_window ordered:NSWindowAbove];
NSMenuItem* show_bookmark_bar_menu_item =
[[[[NSApp mainMenu] itemWithTag:IDC_VIEW_MENU] submenu]
itemWithTag:IDC_SHOW_BOOKMARK_BAR];
// Make sure both windows validate the bookmark bar menu item.
EXPECT_TRUE([window validateUserInterfaceItem:show_bookmark_bar_menu_item]);
EXPECT_TRUE(
[child_window validateUserInterfaceItem:show_bookmark_bar_menu_item]);
browser()->command_controller()->UpdateCommandEnabled(
show_bookmark_bar_menu_item.tag, false);
// Make sure both windows find the bookmark bar menu item invalid. The child
// window check is the focus of this test. The child window does not have a
// UserInterfaceItemCommandHandler. This test ensures the validation request
// bubbles up to the parent window.
EXPECT_FALSE([window validateUserInterfaceItem:show_bookmark_bar_menu_item]);
EXPECT_FALSE(
[child_window validateUserInterfaceItem:show_bookmark_bar_menu_item]);
}
class BrowserWindowMacA11yTest : public BrowserWindowMacTest {
public:
BrowserWindowMacA11yTest() = default;
BrowserWindowMacA11yTest(const BrowserWindowMacA11yTest&) = delete;
BrowserWindowMacA11yTest& operator=(const BrowserWindowMacA11yTest&) = delete;
~BrowserWindowMacA11yTest() override = default;
void SetUpCommandLine(base::CommandLine* command_line) override {
BrowserWindowMacTest::SetUpCommandLine(command_line);
command_line->AppendSwitch(switches::kForceRendererAccessibility);
}
};
IN_PROC_BROWSER_TEST_F(BrowserWindowMacA11yTest, A11yTreeIsWellFormed) {
NSWindow* window = browser()->window()->GetNativeWindow().GetNativeNSWindow();
size_t nodes_visited = 0;
std::optional<ui::NSAXTreeProblemDetails> details =
ui::ValidateNSAXTree(window, &nodes_visited);
EXPECT_FALSE(details.has_value()) << details->ToString();
// There should be at least a handful of AX nodes in the tree - fail this test
// if for some reason (eg) the window has no children, which would otherwise
// be a well-formed AX tree.
EXPECT_GE(nodes_visited, 10U);
if (HasFailure()) {
ui::PrintNSAXTree(window);
}
}
IN_PROC_BROWSER_TEST_F(BrowserWindowMacA11yTest,
AccessibilityDocumentExposedOnWindow) {
GURL url_before(R"HTML(data:text/html,before)HTML");
EXPECT_TRUE(AddTabAtIndex(0, url_before, ui::PAGE_TRANSITION_TYPED));
NSWindow* window = browser()->window()->GetNativeWindow().GetNativeNSWindow();
ASSERT_NE(nullptr, window);
EXPECT_NSEQ([NSString stringWithUTF8String:url_before.spec().c_str()],
[window accessibilityDocument]);
GURL url_after(R"HTML(data:text/html,after)HTML");
EXPECT_TRUE(AddTabAtIndex(1, url_after, ui::PAGE_TRANSITION_TYPED));
EXPECT_NSEQ([NSString stringWithUTF8String:url_after.spec().c_str()],
[window accessibilityDocument]);
}
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