blob: c94bd05c924557b9483e613dd99a88deb097144b [file] [log] [blame]
/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
* Copyright (C) 2017 Sony Interactive Entertainment Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WebPage.h"
#include "EditorState.h"
#include "WebEvent.h"
#include "WebFrame.h"
#include "WebPageProxyMessages.h"
#include "WebProcess.h"
#include <WebCore/BackForwardController.h>
#include <WebCore/Editor.h>
#include <WebCore/EventHandler.h>
#include <WebCore/EventNames.h>
#include <WebCore/FocusController.h>
#include <WebCore/Frame.h>
#include <WebCore/FrameView.h>
#include <WebCore/KeyboardEvent.h>
#include <WebCore/NotImplemented.h>
#include <WebCore/Page.h>
#include <WebCore/PlatformKeyboardEvent.h>
#include <WebCore/Settings.h>
#include <WebCore/SharedBuffer.h>
#include <WebCore/UserAgent.h>
#include <WebCore/WindowsKeyboardCodes.h>
namespace WebKit {
using namespace WebCore;
void WebPage::platformInitialize()
{
}
void WebPage::platformReinitialize()
{
}
void WebPage::platformDetach()
{
}
void WebPage::platformEditorState(Frame& frame, EditorState& result, IncludePostLayoutDataHint shouldIncludePostLayoutData) const
{
}
bool WebPage::performDefaultBehaviorForKeyEvent(const WebKeyboardEvent& keyboardEvent)
{
if (keyboardEvent.type() != WebEvent::KeyDown && keyboardEvent.type() != WebEvent::RawKeyDown)
return false;
switch (keyboardEvent.windowsVirtualKeyCode()) {
case VK_SPACE:
scroll(m_page.get(), keyboardEvent.shiftKey() ? ScrollUp : ScrollDown, ScrollByPage);
break;
case VK_LEFT:
scroll(m_page.get(), ScrollLeft, ScrollByLine);
break;
case VK_RIGHT:
scroll(m_page.get(), ScrollRight, ScrollByLine);
break;
case VK_UP:
scroll(m_page.get(), ScrollUp, ScrollByLine);
break;
case VK_DOWN:
scroll(m_page.get(), ScrollDown, ScrollByLine);
break;
case VK_HOME:
scroll(m_page.get(), ScrollUp, ScrollByDocument);
break;
case VK_END:
scroll(m_page.get(), ScrollDown, ScrollByDocument);
break;
case VK_PRIOR:
scroll(m_page.get(), ScrollUp, ScrollByPage);
break;
case VK_NEXT:
scroll(m_page.get(), ScrollDown, ScrollByPage);
break;
default:
return false;
}
return true;
}
bool WebPage::platformCanHandleRequest(const ResourceRequest&)
{
notImplemented();
return false;
}
String WebPage::platformUserAgent(const URL&) const
{
return { };
}
static const unsigned CtrlKey = 1 << 0;
static const unsigned AltKey = 1 << 1;
static const unsigned ShiftKey = 1 << 2;
struct KeyDownEntry {
unsigned virtualKey;
unsigned modifiers;
const char* name;
};
struct KeyPressEntry {
unsigned charCode;
unsigned modifiers;
const char* name;
};
static const KeyDownEntry keyDownEntries[] = {
{ VK_LEFT, 0, "MoveLeft" },
{ VK_LEFT, ShiftKey, "MoveLeftAndModifySelection" },
{ VK_LEFT, CtrlKey, "MoveWordLeft" },
{ VK_LEFT, CtrlKey | ShiftKey, "MoveWordLeftAndModifySelection" },
{ VK_RIGHT, 0, "MoveRight" },
{ VK_RIGHT, ShiftKey, "MoveRightAndModifySelection" },
{ VK_RIGHT, CtrlKey, "MoveWordRight" },
{ VK_RIGHT, CtrlKey | ShiftKey, "MoveWordRightAndModifySelection" },
{ VK_UP, 0, "MoveUp" },
{ VK_UP, ShiftKey, "MoveUpAndModifySelection" },
{ VK_PRIOR, ShiftKey, "MovePageUpAndModifySelection" },
{ VK_DOWN, 0, "MoveDown" },
{ VK_DOWN, ShiftKey, "MoveDownAndModifySelection" },
{ VK_NEXT, ShiftKey, "MovePageDownAndModifySelection" },
{ VK_PRIOR, 0, "MovePageUp" },
{ VK_NEXT, 0, "MovePageDown" },
{ VK_HOME, 0, "MoveToBeginningOfLine" },
{ VK_HOME, ShiftKey, "MoveToBeginningOfLineAndModifySelection" },
{ VK_HOME, CtrlKey, "MoveToBeginningOfDocument" },
{ VK_HOME, CtrlKey | ShiftKey, "MoveToBeginningOfDocumentAndModifySelection" },
{ VK_END, 0, "MoveToEndOfLine" },
{ VK_END, ShiftKey, "MoveToEndOfLineAndModifySelection" },
{ VK_END, CtrlKey, "MoveToEndOfDocument" },
{ VK_END, CtrlKey | ShiftKey, "MoveToEndOfDocumentAndModifySelection" },
{ VK_BACK, 0, "DeleteBackward" },
{ VK_BACK, ShiftKey, "DeleteBackward" },
{ VK_DELETE, 0, "DeleteForward" },
{ VK_BACK, CtrlKey, "DeleteWordBackward" },
{ VK_DELETE, CtrlKey, "DeleteWordForward" },
{ 'B', CtrlKey, "ToggleBold" },
{ 'I', CtrlKey, "ToggleItalic" },
{ VK_ESCAPE, 0, "Cancel" },
{ VK_OEM_PERIOD, CtrlKey, "Cancel" },
{ VK_TAB, 0, "InsertTab" },
{ VK_TAB, ShiftKey, "InsertBacktab" },
{ VK_RETURN, 0, "InsertNewline" },
{ VK_RETURN, CtrlKey, "InsertNewline" },
{ VK_RETURN, AltKey, "InsertNewline" },
{ VK_RETURN, ShiftKey, "InsertNewline" },
{ VK_RETURN, AltKey | ShiftKey, "InsertNewline" },
// It's not quite clear whether clipboard shortcuts and Undo/Redo should be handled
// in the application or in WebKit. We chose WebKit.
{ 'C', CtrlKey, "Copy" },
{ 'V', CtrlKey, "Paste" },
{ 'X', CtrlKey, "Cut" },
{ 'A', CtrlKey, "SelectAll" },
{ VK_INSERT, CtrlKey, "Copy" },
{ VK_DELETE, ShiftKey, "Cut" },
{ VK_INSERT, ShiftKey, "Paste" },
{ 'Z', CtrlKey, "Undo" },
{ 'Z', CtrlKey | ShiftKey, "Redo" },
};
static const KeyPressEntry keyPressEntries[] = {
{ '\t', 0, "InsertTab" },
{ '\t', ShiftKey, "InsertBacktab" },
{ '\r', 0, "InsertNewline" },
{ '\r', CtrlKey, "InsertNewline" },
{ '\r', AltKey, "InsertNewline" },
{ '\r', ShiftKey, "InsertNewline" },
{ '\r', AltKey | ShiftKey, "InsertNewline" },
};
const char* WebPage::interpretKeyEvent(const WebCore::KeyboardEvent* evt)
{
ASSERT(evt->type() == eventNames().keydownEvent || evt->type() == eventNames().keypressEvent);
static HashMap<int, const char*>* keyDownCommandsMap = 0;
static HashMap<int, const char*>* keyPressCommandsMap = 0;
if (!keyDownCommandsMap) {
keyDownCommandsMap = new HashMap<int, const char*>;
keyPressCommandsMap = new HashMap<int, const char*>;
for (size_t i = 0; i < WTF_ARRAY_LENGTH(keyDownEntries); ++i)
keyDownCommandsMap->set(keyDownEntries[i].modifiers << 16 | keyDownEntries[i].virtualKey, keyDownEntries[i].name);
for (size_t i = 0; i < WTF_ARRAY_LENGTH(keyPressEntries); ++i)
keyPressCommandsMap->set(keyPressEntries[i].modifiers << 16 | keyPressEntries[i].charCode, keyPressEntries[i].name);
}
unsigned modifiers = 0;
if (evt->shiftKey())
modifiers |= ShiftKey;
if (evt->altKey())
modifiers |= AltKey;
if (evt->ctrlKey())
modifiers |= CtrlKey;
if (evt->type() == eventNames().keydownEvent) {
int mapKey = modifiers << 16 | evt->keyCode();
return mapKey ? keyDownCommandsMap->get(mapKey) : 0;
}
int mapKey = modifiers << 16 | evt->charCode();
return mapKey ? keyPressCommandsMap->get(mapKey) : 0;
}
bool WebPage::handleEditingKeyboardEvent(WebCore::KeyboardEvent& event)
{
auto* frame = downcast<Node>(event.target())->document().frame();
ASSERT(frame);
auto* keyEvent = event.underlyingPlatformEvent();
if (!keyEvent || keyEvent->isSystemKey()) // Do not treat this as text input if it's a system key event.
return false;
auto command = frame->editor().command(interpretKeyEvent(&event));
if (keyEvent->type() == PlatformEvent::RawKeyDown) {
// WebKit doesn't have enough information about mode to decide
// how commands that just insert text if executed via Editor
// should be treated, so we leave it upon WebCore to either
// handle them immediately (e.g. Tab that changes focus) or
// let a keypress event be generated (e.g. Tab that inserts a
// Tab character, or Enter).
return !command.isTextInsertion() && command.execute(&event);
}
if (command.execute(&event))
return true;
// Don't insert null or control characters as they can result in unexpected behaviour.
if (event.charCode() < ' ')
return false;
return frame->editor().insertText(keyEvent->text(), &event);
}
} // namespace WebKit