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// Copyright (c) 2011 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 "content/public/browser/native_web_keyboard_event.h"
#import <AppKit/AppKit.h>
#include "content/browser/renderer_host/input/web_input_event_builders_mac.h"
#include "ui/events/base_event_utils.h"
#include "ui/events/event.h"
namespace content {
namespace {
int modifiersForEvent(int modifiers) {
int flags = 0;
if (modifiers & blink::WebInputEvent::kControlKey)
flags |= NSControlKeyMask;
if (modifiers & blink::WebInputEvent::kShiftKey)
flags |= NSShiftKeyMask;
if (modifiers & blink::WebInputEvent::kAltKey)
flags |= NSAlternateKeyMask;
if (modifiers & blink::WebInputEvent::kMetaKey)
flags |= NSCommandKeyMask;
if (modifiers & blink::WebInputEvent::kCapsLockOn)
flags |= NSAlphaShiftKeyMask;
return flags;
}
size_t WebKeyboardEventTextLength(const blink::WebUChar* text) {
size_t text_length = 0;
while (text_length < blink::WebKeyboardEvent::kTextLengthCap &&
text[text_length]) {
++text_length;
}
return text_length;
}
} // namepsace
NativeWebKeyboardEvent::NativeWebKeyboardEvent(blink::WebInputEvent::Type type,
int modifiers,
base::TimeTicks timestamp)
: WebKeyboardEvent(type, modifiers, timestamp),
os_event(NULL),
skip_in_browser(false) {}
NativeWebKeyboardEvent::NativeWebKeyboardEvent(
const blink::WebKeyboardEvent& web_event,
gfx::NativeView native_view)
: WebKeyboardEvent(web_event), os_event(nullptr), skip_in_browser(false) {
NSEventType type = NSKeyUp;
int flags = modifiersForEvent(web_event.GetModifiers());
if (web_event.GetType() == blink::WebInputEvent::kChar ||
web_event.GetType() == blink::WebInputEvent::kRawKeyDown ||
web_event.GetType() == blink::WebInputEvent::kKeyDown) {
type = NSKeyDown;
}
size_t text_length = WebKeyboardEventTextLength(web_event.text);
size_t unmod_text_length =
WebKeyboardEventTextLength(web_event.unmodified_text);
if (text_length == 0)
type = NSFlagsChanged;
NSString* text =
[[[NSString alloc] initWithCharacters:web_event.text length:text_length]
autorelease];
NSString* unmodified_text =
[[[NSString alloc] initWithCharacters:web_event.unmodified_text
length:unmod_text_length] autorelease];
os_event = [[NSEvent keyEventWithType:type
location:NSZeroPoint
modifierFlags:flags
timestamp:ui::EventTimeStampToSeconds(
web_event.TimeStamp())
windowNumber:[[native_view window] windowNumber]
context:nil
characters:text
charactersIgnoringModifiers:unmodified_text
isARepeat:NO
keyCode:web_event.native_key_code] retain];
}
NativeWebKeyboardEvent::NativeWebKeyboardEvent(gfx::NativeEvent native_event)
: WebKeyboardEvent(WebKeyboardEventBuilder::Build(native_event)),
os_event([native_event retain]),
skip_in_browser(false) {}
NativeWebKeyboardEvent::NativeWebKeyboardEvent(const ui::KeyEvent& key_event)
: NativeWebKeyboardEvent(key_event.native_event()) {
}
NativeWebKeyboardEvent::NativeWebKeyboardEvent(
const NativeWebKeyboardEvent& other)
: WebKeyboardEvent(other),
os_event([other.os_event retain]),
skip_in_browser(other.skip_in_browser) {
}
NativeWebKeyboardEvent& NativeWebKeyboardEvent::operator=(
const NativeWebKeyboardEvent& other) {
WebKeyboardEvent::operator=(other);
NSObject* previous = os_event;
os_event = [other.os_event retain];
[previous release];
skip_in_browser = other.skip_in_browser;
return *this;
}
NativeWebKeyboardEvent::~NativeWebKeyboardEvent() {
[os_event release];
}
} // namespace content
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