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/*
* Copyright 2007, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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 THE COPYRIGHT HOLDERS ``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 COMPUTER, INC. OR
* 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.
*/
#define LOG_TAG "WebCore"
#include "config.h"
#include "Editor.h"
#include "EditorClientAndroid.h"
#include "Event.h"
#include "EventNames.h"
#include "FocusController.h"
#include "Frame.h"
#include "KeyboardCodes.h"
#include "KeyboardEvent.h"
#include "NotImplemented.h"
#include "PlatformKeyboardEvent.h"
#include "PlatformString.h"
#include "WebViewCore.h"
namespace android {
void EditorClientAndroid::pageDestroyed() {
delete this;
}
bool EditorClientAndroid::shouldDeleteRange(Range*) { return true; }
bool EditorClientAndroid::shouldShowDeleteInterface(HTMLElement*) { notImplemented(); return false; }
bool EditorClientAndroid::smartInsertDeleteEnabled() { notImplemented(); return false; }
bool EditorClientAndroid::isSelectTrailingWhitespaceEnabled(){ notImplemented(); return false; }
bool EditorClientAndroid::isContinuousSpellCheckingEnabled() { notImplemented(); return false; }
void EditorClientAndroid::toggleContinuousSpellChecking() { notImplemented(); }
bool EditorClientAndroid::isGrammarCheckingEnabled() { notImplemented(); return false; }
void EditorClientAndroid::toggleGrammarChecking() { notImplemented(); }
int EditorClientAndroid::spellCheckerDocumentTag() { notImplemented(); return -1; }
bool EditorClientAndroid::isEditable() { /* notImplemented(); */ return false; }
// Following Qt's implementation. For shouldBeginEditing and shouldEndEditing.
// Returning true for these fixes issue http://b/issue?id=735185
bool EditorClientAndroid::shouldBeginEditing(Range*)
{
return true;
}
bool EditorClientAndroid::shouldEndEditing(Range*)
{
return true;
}
bool EditorClientAndroid::shouldInsertNode(Node*, Range*, EditorInsertAction) { notImplemented(); return true; }
bool EditorClientAndroid::shouldInsertText(const String&, Range*, EditorInsertAction) { return true; }
bool EditorClientAndroid::shouldApplyStyle(CSSStyleDeclaration*, Range*) { notImplemented(); return true; }
void EditorClientAndroid::didBeginEditing() { notImplemented(); }
// This function is called so that the platform can handle changes to content. It is called
// after the contents have been edited or unedited (ie undo)
void EditorClientAndroid::respondToChangedContents() { notImplemented(); }
void EditorClientAndroid::didEndEditing() { notImplemented(); }
void EditorClientAndroid::didWriteSelectionToPasteboard() { notImplemented(); }
void EditorClientAndroid::didSetSelectionTypesForPasteboard() { notImplemented(); }
// Copied from the Window's port of WebKit.
static const unsigned AltKey = 1 << 0;
static const unsigned ShiftKey = 1 << 1;
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, AltKey, "MoveWordLeft" },
{ VK_LEFT, AltKey | ShiftKey, "MoveWordLeftAndModifySelection" },
{ VK_RIGHT, 0, "MoveRight" },
{ VK_RIGHT, ShiftKey, "MoveRightAndModifySelection" },
{ VK_RIGHT, AltKey, "MoveWordRight" },
{ VK_RIGHT, AltKey | ShiftKey, "MoveWordRightAndModifySelection" },
{ VK_UP, 0, "MoveUp" },
{ VK_UP, ShiftKey, "MoveUpAndModifySelection" },
{ VK_DOWN, 0, "MoveDown" },
{ VK_DOWN, ShiftKey, "MoveDownAndModifySelection" },
{ VK_BACK, 0, "BackwardDelete" },
{ VK_BACK, ShiftKey, "ForwardDelete" },
{ VK_BACK, AltKey, "DeleteWordBackward" },
{ VK_BACK, AltKey | ShiftKey, "DeleteWordForward" },
{ VK_ESCAPE, 0, "Cancel" },
{ VK_TAB, 0, "InsertTab" },
{ VK_TAB, ShiftKey, "InsertBacktab" },
{ VK_RETURN, 0, "InsertNewline" },
{ VK_RETURN, AltKey, "InsertNewline" },
{ VK_RETURN, AltKey | ShiftKey, "InsertNewline" }
};
static const KeyPressEntry keyPressEntries[] = {
{ '\t', 0, "InsertTab" },
{ '\t', ShiftKey, "InsertBackTab" },
{ '\r', 0, "InsertNewline" },
{ '\r', AltKey, "InsertNewline" },
{ '\r', AltKey | ShiftKey, "InsertNewline" }
};
static const char* interpretKeyEvent(const KeyboardEvent* evt)
{
const PlatformKeyboardEvent* keyEvent = evt->keyEvent();
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 (unsigned i = 0; i < sizeof(keyDownEntries)/sizeof(KeyDownEntry); i++)
keyDownCommandsMap->set(keyDownEntries[i].modifiers << 16 | keyDownEntries[i].virtualKey, keyDownEntries[i].name);
for (unsigned i = 0; i < sizeof(keyPressEntries)/sizeof(KeyPressEntry); i++)
keyPressCommandsMap->set(keyPressEntries[i].modifiers << 16 | keyPressEntries[i].charCode, keyPressEntries[i].name);
}
unsigned modifiers = 0;
if (keyEvent->shiftKey())
modifiers |= ShiftKey;
if (keyEvent->altKey())
modifiers |= AltKey;
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;
}
void EditorClientAndroid::handleKeyboardEvent(KeyboardEvent* event) {
ASSERT(m_page);
Frame* frame = m_page->focusController()->focusedOrMainFrame();
if (!frame)
return;
const PlatformKeyboardEvent* keyEvent = event->keyEvent();
// TODO: If the event is not coming from Android Java, e.g. from JavaScript,
// PlatformKeyboardEvent is null. We should support this later.
if (!keyEvent)
return;
Editor::Command command = frame->editor()->command(interpretKeyEvent(event));
if (keyEvent->type() == PlatformKeyboardEvent::RawKeyDown) {
if (!command.isTextInsertion() && command.execute(event)) {
// This function mimics the Windows version. However, calling event->setDefaultHandled()
// prevents the javascript key events for the delete key from happening.
// Update: Safari doesn't send delete key events to javascript so
// we will mimic that behavior.
event->setDefaultHandled();
}
return;
}
if (command.execute(event)) {
event->setDefaultHandled();
return;
}
// Don't insert null or control characters as they can result in unexpected behaviour
if (event->charCode() < ' ')
return;
if (frame->editor()->insertText(keyEvent->text(), event))
event->setDefaultHandled();
}
////////////////////////////////////////////////////////////////////////////////////////////////
// we just don't support Undo/Redo at the moment
void EditorClientAndroid::registerCommandForUndo(PassRefPtr<EditCommand>) {}
void EditorClientAndroid::registerCommandForRedo(PassRefPtr<EditCommand>) {}
void EditorClientAndroid::clearUndoRedoOperations() {}
bool EditorClientAndroid::canUndo() const { return false; }
bool EditorClientAndroid::canRedo() const { return false; }
void EditorClientAndroid::undo() {}
void EditorClientAndroid::redo() {}
// functions new to Jun-07 tip of tree merge:
void EditorClientAndroid::showSpellingUI(bool) {}
void EditorClientAndroid::getGuessesForWord(String const&, WTF::Vector<String>&) {}
bool EditorClientAndroid::spellingUIIsShowing() { return false; }
void EditorClientAndroid::checkGrammarOfString(unsigned short const*, int, WTF::Vector<GrammarDetail>&, int*, int*) {}
void EditorClientAndroid::checkSpellingOfString(unsigned short const*, int, int*, int*) {}
String EditorClientAndroid::getAutoCorrectSuggestionForMisspelledWord(const String&) { return String(); }
void EditorClientAndroid::textFieldDidEndEditing(Element*) {}
void EditorClientAndroid::textDidChangeInTextArea(Element*) {}
void EditorClientAndroid::textDidChangeInTextField(Element*) {}
void EditorClientAndroid::textFieldDidBeginEditing(Element*) {}
void EditorClientAndroid::ignoreWordInSpellDocument(String const&) {}
// We need to pass the selection up to the WebTextView
void EditorClientAndroid::respondToChangedSelection() {
if (m_uiGeneratedSelectionChange)
return;
Frame* frame = m_page->focusController()->focusedOrMainFrame();
if (!frame || !frame->view())
return;
WebViewCore* webViewCore = WebViewCore::getWebViewCore(frame->view());
webViewCore->updateTextSelection();
}
bool EditorClientAndroid::shouldChangeSelectedRange(Range*, Range*, EAffinity,
bool) {
return m_shouldChangeSelectedRange;
}
bool EditorClientAndroid::doTextFieldCommandFromEvent(Element*, KeyboardEvent*) { return false; }
void EditorClientAndroid::textWillBeDeletedInTextField(Element*) {}
void EditorClientAndroid::updateSpellingUIWithGrammarString(String const&, GrammarDetail const&) {}
void EditorClientAndroid::updateSpellingUIWithMisspelledWord(String const&) {}
void EditorClientAndroid::learnWord(String const&) {}
// functions new to the Nov-16-08 tip of tree merge:
bool EditorClientAndroid::shouldMoveRangeAfterDelete(Range*, Range*) { return true; }
void EditorClientAndroid::setInputMethodState(bool) {}
// functions new to Feb-19 tip of tree merge:
void EditorClientAndroid::handleInputMethodKeydown(KeyboardEvent*) {}
}
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