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// Copyright 2012 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/test/base/interactive_test_utils.h"
#include <Carbon/Carbon.h>
#import <Cocoa/Cocoa.h>
#include "base/apple/scoped_cftyperef.h"
#include "base/apple/scoped_objc_class_swizzler.h"
#include "base/logging.h"
#include "base/mac/mac_util.h"
#include "base/run_loop.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/chrome_browser_application_mac.h"
#import "ui/base/test/windowed_nsnotification_observer.h"
#include "ui/events/cocoa/cocoa_event_utils.h"
#include "ui/events/event_constants.h"
@interface NSApplication (Private)
// (Apparently) forces the application to activate itself.
- (void)_handleActivatedEvent:(id)arg1;
@end
namespace ui_test_utils {
void HideNativeWindow(gfx::NativeWindow native_window) {
NSWindow* window = native_window.GetNativeNSWindow();
[window orderOut:nil];
}
bool ShowAndFocusNativeWindow(gfx::NativeWindow native_window) {
NSWindow* window = native_window.GetNativeNSWindow();
// Make sure an unbundled program can get the input focus.
ProcessSerialNumber psn = { 0, kCurrentProcess };
TransformProcessType(&psn,kProcessTransformToForegroundApplication);
// We used to call [NSApp activateIgnoringOtherApps:YES] but this
// would not reliably activate the app, causing the window to never
// become key. This bit of private API appears to be the secret
// incantation that gets us what we want. See https://crbug.com/1215570.
[NSApplication.sharedApplication _handleActivatedEvent:nil];
WindowedNSNotificationObserver* async_waiter;
if (!window.keyWindow) {
// Only wait when expecting a change to actually occur.
async_waiter = [[WindowedNSNotificationObserver alloc]
initForNotification:NSWindowDidBecomeKeyNotification
object:window];
}
[window makeKeyAndOrderFront:nil];
// Wait until |window| becomes key window, then make sure the shortcuts for
// "Close Window" and "Close Tab" are updated.
// This is because normal AppKit menu updating does not get invoked when
// events are sent via ui_test_utils::SendKeyPressSync.
BOOL notification_observed = [async_waiter wait];
base::RunLoop().RunUntilIdle(); // There may be other events queued. Flush.
NSMenu* file_menu = [[NSApp.mainMenu itemWithTag:IDC_FILE_MENU] submenu];
[file_menu.delegate menuNeedsUpdate:file_menu];
return !async_waiter || notification_observed;
}
bool ClearKeyEventModifiers() {
static constexpr struct {
CGEventFlags flag_mask;
int key_code;
const char* name;
} kKnownModifiers[] = {
{kCGEventFlagMaskCommand, kVK_Command, "Cmd"},
{kCGEventFlagMaskShift, kVK_Shift, "Shift"},
{kCGEventFlagMaskAlternate, kVK_Option, "Option"},
// Expand as needed.
};
CGEventFlags event_flags =
CGEventSourceFlagsState(kCGEventSourceStateCombinedSessionState);
bool had_modifier = false;
for (const auto& known_modifier : kKnownModifiers) {
if (known_modifier.flag_mask & event_flags) {
had_modifier = true;
CGEventPost(kCGSessionEventTap,
base::apple::ScopedCFTypeRef<CGEventRef>(
CGEventCreateKeyboardEvent(
nullptr, known_modifier.key_code, false))
.get());
LOG(ERROR) << "Modifier " << known_modifier.name
<< " is hanging down, and may cause problems for any "
"subsequent test.";
}
}
return had_modifier;
}
} // namespace ui_test_utils
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