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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"
+
+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::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&, Vector<String>&) {}
+bool EditorClientAndroid::spellingUIIsShowing() { return false; }
+void EditorClientAndroid::checkGrammarOfString(unsigned short const*, int, Vector<GrammarDetail>&, int*, int*) {}
+void EditorClientAndroid::checkSpellingOfString(unsigned short const*, int, int*, int*) {}
+void EditorClientAndroid::textFieldDidEndEditing(Element*) {}
+void EditorClientAndroid::textDidChangeInTextArea(Element*) {}
+void EditorClientAndroid::textDidChangeInTextField(Element*) {}
+void EditorClientAndroid::textFieldDidBeginEditing(Element*) {}
+void EditorClientAndroid::ignoreWordInSpellDocument(String const&) {}
+void EditorClientAndroid::respondToChangedSelection() {}
+bool EditorClientAndroid::shouldChangeSelectedRange(Range*, Range*, EAffinity, bool) { return m_notFromClick; }
+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*) {}
+
+}