| // Copyright 2016 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 "ui/events/test/keyboard_layout.h" |
| |
| #include "base/check_op.h" |
| |
| namespace ui { |
| |
| PlatformKeyboardLayout GetPlatformKeyboardLayout(KeyboardLayout layout) { |
| // Right now tests only need US English. If other layouts need to be |
| // supported in the future this code should be extended. |
| DCHECK_EQ(KEYBOARD_LAYOUT_ENGLISH_US, layout); |
| |
| const char kUsInputSourceId[] = "com.apple.keylayout.US"; |
| |
| base::ScopedCFTypeRef<CFMutableDictionaryRef> input_source_list_filter( |
| CFDictionaryCreateMutable(kCFAllocatorDefault, 1, |
| &kCFTypeDictionaryKeyCallBacks, |
| &kCFTypeDictionaryValueCallBacks)); |
| base::ScopedCFTypeRef<CFStringRef> input_source_id_ref( |
| CFStringCreateWithCString(kCFAllocatorDefault, kUsInputSourceId, |
| kCFStringEncodingUTF8)); |
| CFDictionaryAddValue(input_source_list_filter, kTISPropertyInputSourceID, |
| input_source_id_ref); |
| base::ScopedCFTypeRef<CFArrayRef> input_source_list( |
| TISCreateInputSourceList(input_source_list_filter, true)); |
| if (CFArrayGetCount(input_source_list) != 1) |
| return PlatformKeyboardLayout(); |
| |
| return base::ScopedCFTypeRef<TISInputSourceRef>( |
| (TISInputSourceRef)CFArrayGetValueAtIndex(input_source_list, 0), |
| base::scoped_policy::RETAIN); |
| } |
| |
| PlatformKeyboardLayout ScopedKeyboardLayout::GetActiveLayout() { |
| return PlatformKeyboardLayout(TISCopyCurrentKeyboardInputSource()); |
| } |
| |
| void ScopedKeyboardLayout::ActivateLayout(PlatformKeyboardLayout layout) { |
| DCHECK(layout); |
| // According to the documentation in HIToolbox's TextInputSources.h |
| // (recommended reading), TISSelectInputSource() can fail if the input source |
| // isn't "selectable" or "enabled". |
| // |
| // On the bots, for some reason, sometimes the US keyboard layout isn't |
| // "enabled" even though it is present - we aren't sure why this happens, |
| // perhaps if input sources have never been switched on this bot before? In |
| // any case, it's harmless to re-enable it here if it's already enabled. |
| OSStatus result = TISEnableInputSource(layout); |
| DCHECK_EQ(noErr, result); |
| result = TISSelectInputSource(layout); |
| DCHECK_EQ(noErr, result); |
| } |
| |
| } // namespace ui |