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/**
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
* Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
* Copyright (C) 2003, 2005, 2006, 2007 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "third_party/blink/renderer/core/events/keyboard_event.h"
#include "build/build_config.h"
#include "third_party/blink/public/common/input/web_input_event.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_keyboard_event_init.h"
#include "third_party/blink/renderer/core/editing/ime/input_method_controller.h"
#include "third_party/blink/renderer/core/event_interface_names.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/input/input_device_capabilities.h"
#include "third_party/blink/renderer/platform/bindings/dom_wrapper_world.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/windows_keyboard_codes.h"
#include "ui/events/keycodes/dom/keycode_converter.h"
namespace blink {
namespace {
const AtomicString& EventTypeForKeyboardEventType(WebInputEvent::Type type) {
switch (type) {
case WebInputEvent::Type::kKeyUp:
return event_type_names::kKeyup;
case WebInputEvent::Type::kRawKeyDown:
return event_type_names::kKeydown;
case WebInputEvent::Type::kChar:
return event_type_names::kKeypress;
case WebInputEvent::Type::kKeyDown:
// The caller should disambiguate the combined event into RawKeyDown or
// Char events.
break;
default:
break;
}
NOTREACHED();
}
KeyboardEvent::KeyLocationCode GetKeyLocationCode(const WebInputEvent& key) {
if (key.GetModifiers() & WebInputEvent::kIsKeyPad)
return KeyboardEvent::kDomKeyLocationNumpad;
if (key.GetModifiers() & WebInputEvent::kIsLeft)
return KeyboardEvent::kDomKeyLocationLeft;
if (key.GetModifiers() & WebInputEvent::kIsRight)
return KeyboardEvent::kDomKeyLocationRight;
return KeyboardEvent::kDomKeyLocationStandard;
}
bool HasCurrentComposition(LocalDOMWindow* dom_window) {
if (!dom_window)
return false;
LocalFrame* local_frame = dom_window->GetFrame();
if (!local_frame)
return false;
return local_frame->GetInputMethodController().HasComposition();
}
static String FromUTF8(const std::string& s) {
return String::FromUTF8(s);
}
} // namespace
KeyboardEvent* KeyboardEvent::Create(ScriptState* script_state,
const AtomicString& type,
const KeyboardEventInit* initializer) {
if (script_state->World().IsIsolatedWorld()) {
UIEventWithKeyState::DidCreateEventInIsolatedWorld(
initializer->ctrlKey(), initializer->altKey(), initializer->shiftKey(),
initializer->metaKey());
}
return MakeGarbageCollected<KeyboardEvent>(type, initializer);
}
KeyboardEvent::KeyboardEvent() : location_(kDomKeyLocationStandard) {}
KeyboardEvent::KeyboardEvent(const WebKeyboardEvent& key,
LocalDOMWindow* dom_window,
bool cancellable)
: UIEventWithKeyState(
EventTypeForKeyboardEventType(key.GetType()),
Bubbles::kYes,
cancellable ? Cancelable::kYes : Cancelable::kNo,
dom_window,
0,
static_cast<WebInputEvent::Modifiers>(key.GetModifiers()),
key.TimeStamp(),
dom_window
? dom_window->GetInputDeviceCapabilities()->FiresTouchEvents(
false)
: nullptr),
key_event_(std::make_unique<WebKeyboardEvent>(key)),
// TODO(crbug.com/482880): Fix this initialization to lazy initialization.
code_(FromUTF8(ui::KeycodeConverter::DomCodeToCodeString(
static_cast<ui::DomCode>(key.dom_code)))),
key_(FromUTF8(ui::KeycodeConverter::DomKeyToKeyString(
static_cast<ui::DomKey>(key.dom_key)))),
location_(GetKeyLocationCode(key)),
is_composing_(HasCurrentComposition(dom_window)) {
InitLocationModifiers(location_);
// Firefox: 0 for keydown/keyup events, character code for keypress
// We match Firefox
if (type() == event_type_names::kKeypress)
char_code_ = key.text[0];
if (type() == event_type_names::kKeydown ||
type() == event_type_names::kKeyup)
key_code_ = key.windows_key_code;
else
key_code_ = char_code_;
#if BUILDFLAG(IS_ANDROID)
// FIXME: Check to see if this applies to other OS.
// If the key event belongs to IME composition then propagate to JS.
if (key.native_key_code == 0xE5) // VKEY_PROCESSKEY
key_code_ = 0xE5;
#endif
}
KeyboardEvent::KeyboardEvent(const AtomicString& event_type,
const KeyboardEventInit* initializer,
base::TimeTicks platform_time_stamp)
: UIEventWithKeyState(event_type, initializer, platform_time_stamp),
code_(initializer->code()),
key_(initializer->key()),
location_(initializer->location()),
is_composing_(initializer->isComposing()),
char_code_(initializer->charCode()),
key_code_(initializer->keyCode()) {
if (initializer->repeat())
modifiers_ |= WebInputEvent::kIsAutoRepeat;
InitLocationModifiers(initializer->location());
}
KeyboardEvent::~KeyboardEvent() = default;
void KeyboardEvent::initKeyboardEvent(ScriptState* script_state,
const AtomicString& type,
bool bubbles,
bool cancelable,
AbstractView* view,
const String& key_identifier,
unsigned location,
bool ctrl_key,
bool alt_key,
bool shift_key,
bool meta_key) {
if (IsBeingDispatched())
return;
if (script_state->World().IsIsolatedWorld())
UIEventWithKeyState::DidCreateEventInIsolatedWorld(ctrl_key, alt_key,
shift_key, meta_key);
initUIEvent(type, bubbles, cancelable, view, 0);
location_ = location;
InitModifiers(ctrl_key, alt_key, shift_key, meta_key);
InitLocationModifiers(location);
}
int KeyboardEvent::keyCode() const {
return key_code_;
}
int KeyboardEvent::charCode() const {
return char_code_;
}
const AtomicString& KeyboardEvent::InterfaceName() const {
return event_interface_names::kKeyboardEvent;
}
bool KeyboardEvent::IsKeyboardEvent() const {
return true;
}
unsigned KeyboardEvent::which() const {
// Netscape's "which" returns a virtual key code for keydown and keyup, and a
// character code for keypress. That's exactly what IE's "keyCode" returns.
// So they are the same for keyboard events.
return (unsigned)keyCode();
}
void KeyboardEvent::InitLocationModifiers(unsigned location) {
switch (location) {
case KeyboardEvent::kDomKeyLocationNumpad:
modifiers_ |= WebInputEvent::kIsKeyPad;
break;
case KeyboardEvent::kDomKeyLocationLeft:
modifiers_ |= WebInputEvent::kIsLeft;
break;
case KeyboardEvent::kDomKeyLocationRight:
modifiers_ |= WebInputEvent::kIsRight;
break;
}
}
void KeyboardEvent::Trace(Visitor* visitor) const {
UIEventWithKeyState::Trace(visitor);
}
} // namespace blink
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