| /* |
| * 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 |