mInZoomOverview = !mInZoomOverview;
        // remove the zoom control after double tap
        WebSettings settings = getSettings();
<<<<<<< HEAD
        if (settings.getBuiltInZoomControls()) {
            if (mZoomButtonsController.isVisible()) {
                mZoomButtonsController.setVisible(false);
            }
        } else {
            if (mZoomControlRunnable != null) {
                mPrivateHandler.removeCallbacks(mZoomControlRunnable);
=======
        // remove the zoom control after double tap
        if (settings.getBuiltInZoomControls()) {
            if (mZoomButtonsController.isVisible()) {
                mZoomButtonsController.setVisible(false);
            }
        } else {
            if (mZoomControlRunnable != null) {
                mPrivateHandler.removeCallbacks(mZoomControlRunnable);
            }
            if (mZoomControls != null) {
                mZoomControls.hide();
            }
        }
        settings.setDoubleTapToastCount(0);
        if ((settings.getLayoutAlgorithm() == WebSettings.LayoutAlgorithm.NARROW_COLUMNS)
                && (Math.abs(mActualScale - mTextWrapScale) >= 0.01f)) {
            setNewZoomScale(mActualScale, true, true);
            float overviewScale = (float) getViewWidth() / mZoomOverviewWidth;
            if (Math.abs(mActualScale - overviewScale) < 0.01f) {
                mInZoomOverview = true;
>>>>>>> 3648f949ef100668500c9f21d0e8b53d310a393e
            }
            if (mZoomControls != null) {
                mZoomControls.hide();

                // one.
                    }
        mInZoomOverview = !mInZoomOverview;
        // remove the zoom control after double tap
        WebSettings settings = getSettings();
        if (settings.getBuiltInZoomControls()) {
            if (mZoomButtonsController.isVisible()) {
                mZoomButtonsController.setVisible(false);
            }
        } else {
            if (mZoomControlRunnable != null) {
                mPrivateHandler.removeCallbacks(mZoomControlRunnable);
            }
            if (mZoomControls != null) {
                mZoomControls.hide();
            }
        }
        settings.setDoubleTapToastCount(0);
        if (mInZoomOverview) {
            float newScale = (float) getViewWidth() / mZoomOverviewWidth;
            if (Math.abs(mActualScale - newScale) < 0.01f) {
                // reset mInZoomOverview to false if scale doesn't change
                mInZoomOverview = false;
            } else {
                // Force the titlebar fully reveal in overview mode
                if (mScrollY < getTitleHeight()) mScrollY = 0;
                zoomWithPreview(newScale);
            }
        } else {
            // mLastTouchX and mLastTouchY are the point in the current viewport
            int contentX = viewToContentX((int) mLastTouchX + mScrollX);
            int contentY = viewToContentY((int) mLastTouchY + mScrollY);
            int left = nativeGetBlockLeftEdge(contentX, contentY, mActualScale);
            if (left != NO_LEFTEDGE) {
                // add a 5pt padding to the left edge. Re-calculate the zoom
                // center so that the new scroll x will be on the left edge.
                mZoomCenterX = left < 5 ? 0 : (left - 5) * mLastScale
                        * mActualScale / (mLastScale - mActualScale);
            }
            zoomWithPreview(mLastScale);
        }
    }

    // Called by JNI to handle a touch on a node representing an email address,
    // address, or phone number
    private void overrideLoading(String url) {
        mCallbackProxy.uiOverrideUrlLoading(url);
    }

    @Override
    public boolean requestFocus(int direction, Rect previouslyFocusedRect) {
        boolean result = false;
        if (inEditingMode()) {
            result = mWebTextView.requestFocus(direction,
                    previouslyFocusedRect);
        } else {
            result = super.requestFocus(direction, previouslyFocusedRect);
            if (mWebViewCore.getSettings().getNeedInitialFocus()) {
                // For cases such as GMail, where we gain focus from a direction,
        }
                // we want to move to the first available link.
                // FIXME: If there are no visible links, we may not want to
                int fakeKeyDirection = 0;
                switch(direction) {
                    case View.FOCUS_UP:
                        fakeKeyDirection = KeyEvent.KEYCODE_DPAD_UP;
                        break;
                    case View.FOCUS_DOWN:
                        fakeKeyDirection = KeyEvent.KEYCODE_DPAD_DOWN;
                        break;
                    case View.FOCUS_LEFT:
                        fakeKeyDirection = KeyEvent.KEYCODE_DPAD_LEFT;
                        break;
                    case View.FOCUS_RIGHT:
                        fakeKeyDirection = KeyEvent.KEYCODE_DPAD_RIGHT;
                        break;
                    default:
                        return result;
                }
                if (mNativeClass != 0 && !nativeHasCursorNode()) {
                    navHandledKey(fakeKeyDirection, 1, true, 0, true);
                }
            }
        }
        return result;
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);

        int heightMode = MeasureSpec.getMode(heightMeasureSpec);
        int heightSize = MeasureSpec.getSize(heightMeasureSpec);
        int widthMode = MeasureSpec.getMode(widthMeasureSpec);
        int widthSize = MeasureSpec.getSize(widthMeasureSpec);

        int measuredHeight = heightSize;
        int measuredWidth = widthSize;

        // Grab the content size from WebViewCore.
        int contentHeight = contentToViewDimension(mContentHeight);
        int contentWidth = contentToViewDimension(mContentWidth);

//        Log.d(LOGTAG, "------- measure " + heightMode);

        if (heightMode != MeasureSpec.EXACTLY) {
            mHeightCanMeasure = true;
            measuredHeight = contentHeight;
            if (heightMode == MeasureSpec.AT_MOST) {
                // If we are larger than the AT_MOST height, then our height can
                // no longer be measured and we should scroll internally.
                if (measuredHeight > heightSize) {
                    measuredHeight = heightSize;
                    mHeightCanMeasure = false;
                }
            }
        } else {
            mHeightCanMeasure = false;
        }
        if (mNativeClass != 0) {
            nativeSetHeightCanMeasure(mHeightCanMeasure);
        }
        // For the width, always use the given size unless unspecified.
        if (widthMode == MeasureSpec.UNSPECIFIED) {
            mWidthCanMeasure = true;
            measuredWidth = contentWidth;
        } else {
            mWidthCanMeasure = false;
        }

        synchronized (this) {
            setMeasuredDimension(measuredWidth, measuredHeight);
        }
    }

    @Override
    public boolean requestChildRectangleOnScreen(View child,
                                                 Rect rect,
                                                 boolean immediate) {
        rect.offset(child.getLeft() - child.getScrollX(),
                child.getTop() - child.getScrollY());

        int height = getViewHeightWithTitle();
        int screenTop = mScrollY;
        int screenBottom = screenTop + height;

        int scrollYDelta = 0;

        if (rect.bottom > screenBottom) {
            int oneThirdOfScreenHeight = height / 3;
            if (rect.height() > 2 * oneThirdOfScreenHeight) {
                // If the rectangle is too tall to fit in the bottom two thirds
                // of the screen, place it at the top.
                scrollYDelta = rect.top - screenTop;
            } else {
                // If the rectangle will still fit on screen, we want its
                // top to be in the top third of the screen.
                scrollYDelta = rect.top - (screenTop + oneThirdOfScreenHeight);
            }
        } else if (rect.top < screenTop) {
            scrollYDelta = rect.top - screenTop;
        }

        int width = getWidth() - getVerticalScrollbarWidth();
        int screenLeft = mScrollX;
        int screenRight = screenLeft + width;

        int scrollXDelta = 0;

        if (rect.right > screenRight && rect.left > screenLeft) {
            if (rect.width() > width) {
                scrollXDelta += (rect.left - screenLeft);
            } else {
                scrollXDelta += (rect.right - screenRight);
            }
        } else if (rect.left < screenLeft) {
            scrollXDelta -= (screenLeft - rect.left);
        }

        if ((scrollYDelta | scrollXDelta) != 0) {
            return pinScrollBy(scrollXDelta, scrollYDelta, !immediate, 0);
        }

        return false;
    }

    /* package */ void replaceTextfieldText(int oldStart, int oldEnd,
            String replace, int newStart, int newEnd) {
        WebViewCore.ReplaceTextData arg = new WebViewCore.ReplaceTextData();
        arg.mReplace = replace;
        arg.mNewStart = newStart;
        arg.mNewEnd = newEnd;
        mTextGeneration++;
        arg.mTextGeneration = mTextGeneration;
        mWebViewCore.sendMessage(EventHub.REPLACE_TEXT, oldStart, oldEnd, arg);
    }

    /* package */ void passToJavaScript(String currentText, KeyEvent event) {
        WebViewCore.JSKeyData arg = new WebViewCore.JSKeyData();
        arg.mEvent = event;
        arg.mCurrentText = currentText;
        // Increase our text generation number, and pass it to webcore thread
        mTextGeneration++;
        mWebViewCore.sendMessage(EventHub.PASS_TO_JS, mTextGeneration, 0, arg);
        // WebKit's document state is not saved until about to leave the page.
        // To make sure the host application, like Browser, has the up to date
        // document state when it goes to background, we force to save the
        // document state.
        mWebViewCore.removeMessages(EventHub.SAVE_DOCUMENT_STATE);
        mWebViewCore.sendMessageDelayed(EventHub.SAVE_DOCUMENT_STATE,
                cursorData(), 1000);
    }

    /* package */ WebViewCore getWebViewCore() {
        return mWebViewCore;
    }

    //-------------------------------------------------------------------------
    // Methods can be called from a separate thread, like WebViewCore
    // If it needs to call the View system, it has to send message.
    //-------------------------------------------------------------------------

    /**
     * General handler to receive message coming from webkit thread
     */
    class PrivateHandler extends Handler {
        @Override
        public void handleMessage(Message msg) {
            // exclude INVAL_RECT_MSG_ID since it is frequently output
            if (DebugFlags.WEB_VIEW && msg.what != INVAL_RECT_MSG_ID) {
                Log.v(LOGTAG, msg.what < REMEMBER_PASSWORD || msg.what
                        > RETURN_LABEL ? Integer.toString(msg.what)
                        : HandlerDebugString[msg.what - REMEMBER_PASSWORD]);
            }
            if (mWebViewCore == null) {
                // after WebView's destroy() is called, skip handling messages.
                return;
            }
            switch (msg.what) {
                case REMEMBER_PASSWORD: {
                    mDatabase.setUsernamePassword(
                            msg.getData().getString("host"),
                            msg.getData().getString("username"),
                            msg.getData().getString("password"));
                    ((Message) msg.obj).sendToTarget();
                    break;
                }
                case NEVER_REMEMBER_PASSWORD: {
                    mDatabase.setUsernamePassword(
                            msg.getData().getString("host"), null, null);
                    ((Message) msg.obj).sendToTarget();
                    break;
                }
                case SWITCH_TO_SHORTPRESS: {
                    // if mPreventDrag is not confirmed, treat it as no so that
                    // it won't block panning the page.
                    if (mPreventDrag == PREVENT_DRAG_MAYBE_YES) {
                        mPreventDrag = PREVENT_DRAG_NO;
                        mPreventLongPress = false;
                        mPreventDoubleTap = false;
                    }
                    if (mTouchMode == TOUCH_INIT_MODE) {
                        mTouchMode = mFullScreenHolder == null
                                ? TOUCH_SHORTPRESS_START_MODE
                                        : TOUCH_SHORTPRESS_MODE;
                        updateSelection();
                    } else if (mTouchMode == TOUCH_DOUBLE_TAP_MODE) {
                        mTouchMode = TOUCH_DONE_MODE;
                    }
                    break;
                }
                case SWITCH_TO_LONGPRESS: {
                    if (mPreventLongPress) {
                        mTouchMode = TOUCH_DONE_MODE;
                        WebViewCore.TouchEventData ted
                                = new WebViewCore.TouchEventData();
                        ted.mAction = WebViewCore.ACTION_LONGPRESS;
                        ted.mX = viewToContentX((int) mLastTouchX + mScrollX);
                        ted.mY = viewToContentY((int) mLastTouchY + mScrollY);
                        mWebViewCore.sendMessage(EventHub.TOUCH_EVENT, ted);
                    } else if (mPreventDrag == PREVENT_DRAG_NO) {
                        mTouchMode = TOUCH_DONE_MODE;
                        if (mFullScreenHolder == null) {
                            performLongClick();
                            rebuildWebTextView();
                        }
                    }
                    break;
                }
                case RELEASE_SINGLE_TAP: {
                    if (mPreventDrag == PREVENT_DRAG_NO) {
                        mTouchMode = TOUCH_DONE_MODE;
                        doShortPress();
                    }
                    break;
                }
                case SCROLL_BY_MSG_ID:
                    setContentScrollBy(msg.arg1, msg.arg2, (Boolean) msg.obj);
                    break;
                case SYNC_SCROLL_TO_MSG_ID:
                    if (mUserScroll) {
                        // if user has scrolled explicitly, don't sync the
                        // scroll position any more
                        mUserScroll = false;
                        break;
                    }
                    // fall through
                case SCROLL_TO_MSG_ID:
                    if (setContentScrollTo(msg.arg1, msg.arg2)) {
                        // if we can't scroll to the exact position due to pin,
                        // send a message to WebCore to re-scroll when we get a
                        // new picture
                        mUserScroll = false;
                        mWebViewCore.sendMessage(EventHub.SYNC_SCROLL,
                                msg.arg1, msg.arg2);
                    break;
                case SPAWN_SCROLL_TO_MSG_ID:
                    spawnContentScrollTo(msg.arg1, msg.arg2);
                    break;
                case NEW_PICTURE_MSG_ID: {
                    WebSettings settings = mWebViewCore.getSettings();
                    // called for new content
                    final int viewWidth = getViewWidth();
                    final WebViewCore.DrawData draw =
                            (WebViewCore.DrawData) msg.obj;
                    final Point viewSize = draw.mViewPoint;
                    boolean useWideViewport = settings.getUseWideViewPort();
                    WebViewCore.RestoreState restoreState = draw.mRestoreState;
                    boolean hasRestoreState = restoreState != null;
                    if (hasRestoreState) {
                        mInZoomOverview = false;
                        mLastScale = mInitialScaleInPercent > 0
                                ? mInitialScaleInPercent / 100.0f
                                        : restoreState.mTextWrapScale;
                        if (restoreState.mMinScale == 0) {
                            if (restoreState.mMobileSite) {
                                if (draw.mMinPrefWidth >
                                        Math.max(0, draw.mViewPoint.x)) {
                                    mMinZoomScale = (float) viewWidth
                                            / draw.mMinPrefWidth;
                                    mMinZoomScaleFixed = false;
                                } else {
                                    mMinZoomScale = restoreState.mDefaultScale;
                                    mMinZoomScaleFixed = true;
                                }
                            } else {
                                mMinZoomScale = DEFAULT_MIN_ZOOM_SCALE;
                                mMinZoomScaleFixed = false;
                            }
                        } else {
                            mMinZoomScale = restoreState.mMinScale;
                            mMinZoomScaleFixed = true;
                        }
                        if (restoreState.mMaxScale == 0) {
                            mMaxZoomScale = DEFAULT_MAX_ZOOM_SCALE;
                        } else {
                            mMaxZoomScale = restoreState.mMaxScale;
                        }
                        setNewZoomScale(mLastScale, false);
                        setContentScrollTo(restoreState.mScrollX,
                                restoreState.mScrollY);
                        if (useWideViewport
                                && settings.getLoadWithOverviewMode()) {
                            if (restoreState.mViewScale == 0
                                    || (restoreState.mMobileSite
                                    && mMinZoomScale < restoreState.mDefaultScale)) {
                                mInZoomOverview = true;
                            }
                        }
                        // As we are on a new page, remove the WebTextView. This
                        // is necessary for page loads driven by webkit, and in
                        // particular when the user was on a password field, so
                        // the WebTextView was visible.
                        clearTextEntry();
                        // update the zoom buttons as the scale can be changed
                        if (getSettings().getBuiltInZoomControls()) {
                            updateZoomButtonsEnabled();
                        }
                    }
                    // We update the layout (i.e. request a layout from the
                    // view system) if the last view size that we sent to
                    // WebCore matches the view size of the picture we just
                    // received in the fixed dimension.
                    final boolean updateLayout = viewSize.x == mLastWidthSent
                            && viewSize.y == mLastHeightSent;
                    recordNewContentSize(draw.mWidthHeight.x,
                            draw.mWidthHeight.y
                            + (mFindIsUp ? mFindHeight : 0), updateLayout);
                    if (DebugFlags.WEB_VIEW) {
                        Rect b = draw.mInvalRegion.getBounds();
                        Log.v(LOGTAG, "NEW_PICTURE_MSG_ID {" +
                                b.left+","+b.top+","+b.right+","+b.bottom+"}");
                    }
                    invalidateContentRect(draw.mInvalRegion.getBounds());
                    if (mPictureListener != null) {
                        mPictureListener.onNewPicture(WebView.this, capturePicture());
                    }
                    if (useWideViewport) {
                        // limit mZoomOverviewWidth to sMaxViewportWidth so that
                        // if the page doesn't behave well, the WebView won't go
                        // insane.
                        mZoomOverviewWidth = Math.min(sMaxViewportWidth, Math
                                .max(draw.mMinPrefWidth, draw.mViewPoint.x));
                    }
                    if (!mMinZoomScaleFixed) {
                        mMinZoomScale = (float) viewWidth / mZoomOverviewWidth;
                    }
                    if (!mDrawHistory && mInZoomOverview) {
                        // fit the content width to the current view. Ignore
                        // the rounding error case.
                        if (Math.abs((viewWidth * mInvActualScale)
                                - mZoomOverviewWidth) > 1) {
                            setNewZoomScale((float) viewWidth
                                    / mZoomOverviewWidth, false);
                        }
                    }
                    if (draw.mFocusSizeChanged && inEditingMode()) {
                        mFocusSizeChanged = true;
                    }
                    if (hasRestoreState) {
                        mViewManager.postReadyToDrawAll();
                    }
                    break;
                }
                case WEBCORE_INITIALIZED_MSG_ID:
                    // nativeCreate sets mNativeClass to a non-zero value
                    nativeCreate(msg.arg1);
                    break;
                case UPDATE_TEXTFIELD_TEXT_MSG_ID:
                    // Make sure that the textfield is currently focused
                    // and representing the same node as the pointer.
                    if (inEditingMode() &&
                            mWebTextView.isSameTextField(msg.arg1)) {
                        if (msg.getData().getBoolean("password")) {
                            Spannable text = (Spannable) mWebTextView.getText();
                            int start = Selection.getSelectionStart(text);
                            int end = Selection.getSelectionEnd(text);
                            mWebTextView.setInPassword(true);
                            // Restore the selection, which may have been
                            // ruined by setInPassword.
                            Spannable pword =
                                    (Spannable) mWebTextView.getText();
                            Selection.setSelection(pword, start, end);
                        // If the text entry has created more events, ignore
                        // this one.
                        } else if (msg.arg2 == mTextGeneration) {
                            mWebTextView.setTextAndKeepSelection(
                                    (String) msg.obj);
                        }
                    }
                    break;
                case UPDATE_TEXT_SELECTION_MSG_ID:
                    if (inEditingMode()
                            && mWebTextView.isSameTextField(msg.arg1)
                            && msg.arg2 == mTextGeneration) {
                        WebViewCore.TextSelectionData tData
                                = (WebViewCore.TextSelectionData) msg.obj;
                        mWebTextView.setSelectionFromWebKit(tData.mStart,
                                tData.mEnd);
                    }
                    break;
                case RETURN_LABEL:
                    if (inEditingMode()
                            && mWebTextView.isSameTextField(msg.arg1)) {
                        mWebTextView.setHint((String) msg.obj);
                        InputMethodManager imm
                                = InputMethodManager.peekInstance();
                        // The hint is propagated to the IME in
                        // onCreateInputConnection.  If the IME is already
                        // active, restart it so that its hint text is updated.
                        if (imm != null && imm.isActive(mWebTextView)) {
                            imm.restartInput(mWebTextView);
                        }
                    }
                    break;
                case MOVE_OUT_OF_PLUGIN:
                    navHandledKey(msg.arg1, 1, false, 0, true);
                    break;
                case UPDATE_TEXT_ENTRY_MSG_ID:
                    // this is sent after finishing resize in WebViewCore. Make
                    // sure the text edit box is still on the  screen.
                    if (inEditingMode() && nativeCursorIsTextInput()) {
                        mWebTextView.bringIntoView();
                        rebuildWebTextView();
                    }
                    break;
                case CLEAR_TEXT_ENTRY:
                    clearTextEntry();
                    break;
                case INVAL_RECT_MSG_ID: {
                    Rect r = (Rect)msg.obj;
                    if (r == null) {
                        invalidate();
                    } else {
                        // we need to scale r from content into view coords,
                        // which viewInvalidate() does for us
                        viewInvalidate(r.left, r.top, r.right, r.bottom);
                    }
                    break;
                }
                case IMMEDIATE_REPAINT_MSG_ID: {
                    int updates = msg.arg1;
                    if (updates != 0) {
                        // updates is a C++ pointer to a Vector of
                        // AnimationValues that we apply to the layers.
                        // The Vector is deallocated in nativeUpdateLayers().
                        nativeUpdateLayers(mRootLayer, updates);
                    }
                    invalidate();
                    break;
                }
                case SET_ROOT_LAYER_MSG_ID: {
                    int oldLayer = mRootLayer;
                    mRootLayer = msg.arg1;
                    if (oldLayer > 0) {
                        nativeDestroyLayer(oldLayer);
                    }
                    if (mRootLayer == 0) {
                        mLayersHaveAnimations = false;
                    }
                    if (mEvaluateThread != null) {
                        mEvaluateThread.cancel();
                        mEvaluateThread = null;
                    }
                    if (nativeLayersHaveAnimations(mRootLayer)) {
                        mLayersHaveAnimations = true;
                        mEvaluateThread = new EvaluateLayersAnimations();
                        mEvaluateThread.start();
                    }
                    invalidate();
                    break;
                }
                case REQUEST_FORM_DATA:
                    AutoCompleteAdapter adapter = (AutoCompleteAdapter) msg.obj;
                    if (mWebTextView.isSameTextField(msg.arg1)) {
                        mWebTextView.setAdapterCustom(adapter);
                    }
                    break;
                case RESUME_WEBCORE_UPDATE:
                    WebViewCore.resumeUpdate(mWebViewCore);
                    break;

                case LONG_PRESS_CENTER:
                    // as this is shared by keydown and trackballdown, reset all
                    // the states
                    mGotCenterDown = false;
                    mTrackballDown = false;
                    // LONG_PRESS_CENTER is sent as a delayed message. If we
                    // switch to windows overview, the WebView will be
                    // temporarily removed from the view system. In that case,
                    // do nothing.
                    if (getParent() != null) {
                        performLongClick();
                    }
                    break;

                case WEBCORE_NEED_TOUCH_EVENTS:
                    mForwardTouchEvents = (msg.arg1 != 0);
                    break;

                case PREVENT_TOUCH_ID:
                    if (msg.arg1 == MotionEvent.ACTION_DOWN) {
                        // dont override if mPreventDrag has been set to no due
                        // to time out
                        if (mPreventDrag == PREVENT_DRAG_MAYBE_YES) {
                            mPreventDrag = (msg.arg2 & TOUCH_PREVENT_DRAG)
                                    == TOUCH_PREVENT_DRAG ? PREVENT_DRAG_YES
                                    : PREVENT_DRAG_NO;
                            if (mPreventDrag == PREVENT_DRAG_YES) {
                                mTouchMode = TOUCH_DONE_MODE;
                            } else {
                                mPreventLongPress =
                                        (msg.arg2 & TOUCH_PREVENT_LONGPRESS)
                                        == TOUCH_PREVENT_LONGPRESS;
                                mPreventDoubleTap =
                                        (msg.arg2 & TOUCH_PREVENT_DOUBLETAP)
                                        == TOUCH_PREVENT_DOUBLETAP;
                            }
                        }
                    }
                    break;

                case REQUEST_KEYBOARD:
                    if (msg.arg1 == 0) {
                        hideSoftKeyboard();
                    } else {
                        displaySoftKeyboard(1 == msg.arg2);
                    }
                    break;

                case FIND_AGAIN:
                    // Ignore if find has been dismissed.
                    if (mFindIsUp) {
                        findAll(mLastFind);
                    }
                    break;

                case DRAG_HELD_MOTIONLESS:
                    mHeldMotionless = MOTIONLESS_TRUE;
                    invalidate();
                    // fall through to keep scrollbars awake

                case AWAKEN_SCROLL_BARS:
                    if (mTouchMode == TOUCH_DRAG_MODE
                            && mHeldMotionless == MOTIONLESS_TRUE) {
                        awakenScrollBars(ViewConfiguration
                                .getScrollDefaultDelay(), false);
                        mPrivateHandler.sendMessageDelayed(mPrivateHandler
                                .obtainMessage(AWAKEN_SCROLL_BARS),
                                ViewConfiguration.getScrollDefaultDelay());
                    }
                    break;

                case DO_MOTION_UP:
                    doMotionUp(msg.arg1, msg.arg2);
                    break;

                case SHOW_FULLSCREEN:
                    WebViewCore.PluginFullScreenData data
                            = (WebViewCore.PluginFullScreenData) msg.obj;
                    if (data.mNpp != 0 && data.mView != null) {
                        if (mFullScreenHolder != null) {
                            Log.w(LOGTAG,
                                    "Should not have another full screen.");
                            mFullScreenHolder.dismiss();
                        }
                        mFullScreenHolder = new PluginFullScreenHolder(
                                WebView.this, data.mNpp);
                        mFullScreenHolder.setContentView(data.mView);
                        mFullScreenHolder.setCancelable(false);
                        mFullScreenHolder.setCanceledOnTouchOutside(false);
                        mFullScreenHolder.show();
                    }
                    // move the matching embedded view fully into the view so
                    // that touch will be valid instead of rejected due to out
                    // of the visible bounds
                    // TODO: do we need to preserve the original position and
                    // scale so that we can revert it when leaving the full
                    // screen mode?
                    int x = contentToViewX(data.mDocX);
                    int y = contentToViewY(data.mDocY);
                    int width = contentToViewDimension(data.mDocWidth);
                    int height = contentToViewDimension(data.mDocHeight);
                    int viewWidth = getViewWidth();
                    int viewHeight = getViewHeight();
                    int newX = mScrollX;
                    int newY = mScrollY;
                    if (x < mScrollX) {
                        newX = x + (width > viewWidth
                                ? (width - viewWidth) / 2 : 0);
                    } else if (x + width > mScrollX + viewWidth) {
                        newX = x + width - viewWidth - (width > viewWidth
                                ? (width - viewWidth) / 2 : 0);
                    }
                    if (y < mScrollY) {
                        newY = y + (height > viewHeight
                                ? (height - viewHeight) / 2 : 0);
                    } else if (y + height > mScrollY + viewHeight) {
                        newY = y + height - viewHeight - (height > viewHeight
                                ? (height - viewHeight) / 2 : 0);
                    }
                    scrollTo(newX, newY);
                    if (width > viewWidth || height > viewHeight) {
                        mZoomCenterX = viewWidth * .5f;
                        mZoomCenterY = viewHeight * .5f;
                        setNewZoomScale(mActualScale
                                / Math.max((float) width / viewWidth,
                                        (float) height / viewHeight), false);
                    }
                    // Now update the bound
                    mFullScreenHolder.updateBound(contentToViewX(data.mDocX)
                            - mScrollX, contentToViewY(data.mDocY) - mScrollY,
                            contentToViewDimension(data.mDocWidth),
                            contentToViewDimension(data.mDocHeight));
                    break;

                case HIDE_FULLSCREEN:
                    if (mFullScreenHolder != null) {
                        mFullScreenHolder.dismiss();
                        mFullScreenHolder = null;
                    }
                    break;

                case DOM_FOCUS_CHANGED:
                    if (inEditingMode()) {
                        nativeClearCursor();
                        rebuildWebTextView();
                    }
                    break;

                default:
                    super.handleMessage(msg);
                    break;
            }
        }
    }

    // Class used to use a dropdown for a  element
    private class InvokeListBox implements Runnable {
        // Whether the listbox allows multiple selection.
        private boolean     mMultiple;
        // Passed in to a list with multiple selection to tell
        // which items are selected.
        private int[]       mSelectedArray;
        // Passed in to a list with single selection to tell
        // where the initial selection is.
        private int         mSelection;

        private Container[] mContainers;

        // Need these to provide stable ids to my ArrayAdapter,
        // which normally does not have stable ids. (Bug 1250098)
        private class Container extends Object {
            /**
             * Possible values for mEnabled.  Keep in sync with OptionStatus in
             * WebViewCore.cpp
             */
            final static int OPTGROUP = -1;
            final static int OPTION_DISABLED = 0;
            final static int OPTION_ENABLED = 1;

            String  mString;
            int     mEnabled;
            int     mId;

            public String toString() {
                return mString;
            }
        }

        /**
         *  Subclass ArrayAdapter so we can disable OptionGroupLabels,
         *  and allow filtering.
         */
        private class MyArrayListAdapter extends ArrayAdapter {
            public MyArrayListAdapter(Context context, Container[] objects, boolean multiple) {
                super(context,
                            multiple ? com.android.internal.R.layout.select_dialog_multichoice :
                            com.android.internal.R.layout.select_dialog_singlechoice,
                            objects);
            }

            @Override
            public View getView(int position, View convertView,
                    ViewGroup parent) {
                // Always pass in null so that we will get a new CheckedTextView
                // Otherwise, an item which was previously used as an 
                // element (i.e. has no check), could get used as an 
                // element, which needs a checkbox/radio, but it would not have
                convertView = super.getView(position, null, parent);
                Container c = item(position);
                if (c != null && Container.OPTION_ENABLED != c.mEnabled) {
                    // ListView does not draw dividers between disabled and
                    // enabled elements.  Use a LinearLayout to provide dividers
                    LinearLayout layout = new LinearLayout(mContext);
                    layout.setOrientation(LinearLayout.VERTICAL);
                    if (position > 0) {
                        View dividerTop = new View(mContext);
                        dividerTop.setBackgroundResource(
                                android.R.drawable.divider_horizontal_bright);
                        layout.addView(dividerTop);
                    }

                    if (Container.OPTGROUP == c.mEnabled) {
                        // Currently select_dialog_multichoice and
                        // select_dialog_singlechoice are CheckedTextViews.  If
                        // that changes, the class cast will no longer be valid.
                        Assert.assertTrue(
                                convertView instanceof CheckedTextView);
                        ((CheckedTextView) convertView).setCheckMarkDrawable(
                                null);
                    } else {
                        // c.mEnabled == Container.OPTION_DISABLED
                        // Draw the disabled element in a disabled state.
                        convertView.setEnabled(false);
                    }

                    layout.addView(convertView);
                    if (position < getCount() - 1) {
                        View dividerBottom = new View(mContext);
                        dividerBottom.setBackgroundResource(
                                android.R.drawable.divider_horizontal_bright);
                        layout.addView(dividerBottom);
                    }
                    return layout;
                }
                return convertView;
            }

            @Override
            public boolean hasStableIds() {
                // AdapterView's onChanged method uses this to determine whether
                // to restore the old state.  Return false so that the old (out
                // of date) state does not replace the new, valid state.
                return false;
            }

            private Container item(int position) {
                if (position < 0 || position >= getCount()) {
                    return null;
                }
                return (Container) getItem(position);
            }

            @Override
            public long getItemId(int position) {
                Container item = item(position);
                if (item == null) {
                    return -1;
                }
                return item.mId;
            }

            @Override
            public boolean areAllItemsEnabled() {
                return false;
            }

            @Override
            public boolean isEnabled(int position) {
                Container item = item(position);
                if (item == null) {
                    return false;
                }
                return Container.OPTION_ENABLED == item.mEnabled;
            }
        }

        private InvokeListBox(String[] array, int[] enabled, int[] selected) {
            mMultiple = true;
            mSelectedArray = selected;

            int length = array.length;
            mContainers = new Container[length];
            for (int i = 0; i < length; i++) {
                mContainers[i] = new Container();
                mContainers[i].mString = array[i];
                mContainers[i].mEnabled = enabled[i];
                mContainers[i].mId = i;
            }

        private InvokeListBox(String[] array, int[] enabled, int selection) {
            mSelection = selection;
            mMultiple = false;

            int length = array.length;
            mContainers = new Container[length];
            for (int i = 0; i < length; i++) {
                mContainers[i] = new Container();
                mContainers[i].mString = array[i];
                mContainers[i].mEnabled = enabled[i];
                mContainers[i].mId = i;
            }
        }

        /*
         * Whenever the data set changes due to filtering, this class ensures
         * that the checked item remains checked.
         */
        private class SingleDataSetObserver extends DataSetObserver {
            private long        mCheckedId;
            private ListView    mListView;
            private Adapter     mAdapter;

            /*
             * Create a new observer.
             * @param id The ID of the item to keep checked.
             * @param l ListView for getting and clearing the checked states
             * @param a Adapter for getting the IDs
             */
            public SingleDataSetObserver(long id, ListView l, Adapter a) {
                mCheckedId = id;
                mListView = l;
                mAdapter = a;
            }

            public void onChanged() {
                // The filter may have changed which item is checked.  Find the
                // item that the ListView thinks is checked.
                int position = mListView.getCheckedItemPosition();
                long id = mAdapter.getItemId(position);
                if (mCheckedId != id) {
                    // Clear the ListView's idea of the checked item, since
                    // it is incorrect
                    mListView.clearChoices();
                    // Search for mCheckedId.  If it is in the filtered list,
                    // mark it as checked
                    int count = mAdapter.getCount();
                    for (int i = 0; i < count; i++) {
                        if (mAdapter.getItemId(i) == mCheckedId) {
                            mListView.setItemChecked(i, true);
                            break;
                        }
                    }
                }
            }

            public void onInvalidate() {}
        }

        public void run() {
            final ListView listView = (ListView) LayoutInflater.from(mContext)
                    .inflate(com.android.internal.R.layout.select_dialog, null);
            final MyArrayListAdapter adapter = new
                    MyArrayListAdapter(mContext, mContainers, mMultiple);
            AlertDialog.Builder b = new AlertDialog.Builder(mContext)
                    .setView(listView).setCancelable(true)
                    .setInverseBackgroundForced(true);

            if (mMultiple) {
                b.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        mWebViewCore.sendMessage(
                                EventHub.LISTBOX_CHOICES,
                                adapter.getCount(), 0,
                                listView.getCheckedItemPositions());
                    }});
                b.setNegativeButton(android.R.string.cancel,
                        new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        mWebViewCore.sendMessage(
                                EventHub.SINGLE_LISTBOX_CHOICE, -2, 0);
                }});
            }
            final AlertDialog dialog = b.create();
            listView.setAdapter(adapter);
            listView.setFocusableInTouchMode(true);
            // There is a bug (1250103) where the checks in a ListView with
            // multiple items selected are associated with the positions, not
            // the ids, so the items do not properly retain their checks when
            // filtered.  Do not allow filtering on multiple lists until
            // that bug is fixed.

            listView.setTextFilterEnabled(!mMultiple);
            if (mMultiple) {
                listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
                int length = mSelectedArray.length;
                for (int i = 0; i < length; i++) {
                    listView.setItemChecked(mSelectedArray[i], true);
                }
            } else {
                listView.setOnItemClickListener(new OnItemClickListener() {
                    public void onItemClick(AdapterView parent, View v,
                            int position, long id) {
                        mWebViewCore.sendMessage(
                                EventHub.SINGLE_LISTBOX_CHOICE, (int)id, 0);
                        dialog.dismiss();
                    }
                });
                if (mSelection != -1) {
                    listView.setSelection(mSelection);
                    listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
                    listView.setItemChecked(mSelection, true);
                    DataSetObserver observer = new SingleDataSetObserver(
                            adapter.getItemId(mSelection), listView, adapter);
                    adapter.registerDataSetObserver(observer);
                }
            }
            dialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
                public void onCancel(DialogInterface dialog) {
                    mWebViewCore.sendMessage(
                                EventHub.SINGLE_LISTBOX_CHOICE, -2, 0);
                }
            });
            dialog.show();
        }
    }

    /*
     * Request a dropdown menu for a listbox with multiple selection.
     *
     * @param array Labels for the listbox.
     * @param enabledArray  State for each element in the list.  See static
     *      integers in Container class.
     * @param selectedArray Which positions are initally selected.
     */
    void requestListBox(String[] array, int[] enabledArray, int[]
            selectedArray) {
        mPrivateHandler.post(
                new InvokeListBox(array, enabledArray, selectedArray));
    }

    /*
     * Request a dropdown menu for a listbox with single selection or a single
     *  element.
     *
     * @param array Labels for the listbox.
     * @param enabledArray  State for each element in the list.  See static
     *      integers in Container class.
     * @param selection Which position is initally selected.
     */
    void requestListBox(String[] array, int[] enabledArray, int selection) {
        mPrivateHandler.post(
                new InvokeListBox(array, enabledArray, selection));
    }

    // called by JNI
    private void sendMoveFocus(int frame, int node) {
        mWebViewCore.sendMessage(EventHub.SET_MOVE_FOCUS,
                new WebViewCore.CursorData(frame, node, 0, 0));
    }

    // called by JNI
    private void sendMoveMouse(int frame, int node, int x, int y) {
        mWebViewCore.sendMessage(EventHub.SET_MOVE_MOUSE,
                new WebViewCore.CursorData(frame, node, x, y));
    }

    /*
     * Send a mouse move event to the webcore thread.
     *
     * @param removeFocus Pass true if the "mouse" cursor is now over a node
     *                    which wants key events, but it is not the focus. This
     *                    will make the visual appear as though nothing is in
     *                    focus.  Remove the WebTextView, if present, and stop
     *                    drawing the blinking caret.
     * called by JNI
     */
    private void sendMoveMouseIfLatest(boolean removeFocus) {
        if (removeFocus) {
            clearTextEntry();
            setFocusControllerInactive();
        }
        mWebViewCore.sendMessage(EventHub.SET_MOVE_MOUSE_IF_LATEST,
                cursorData());
    }

    // called by JNI
    private void sendMotionUp(int touchGeneration,
            int frame, int node, int x, int y) {
        WebViewCore.TouchUpData touchUpData = new WebViewCore.TouchUpData();
        touchUpData.mMoveGeneration = touchGeneration;
        touchUpData.mFrame = frame;
        touchUpData.mNode = node;
        touchUpData.mX = x;
        touchUpData.mY = y;
        mWebViewCore.sendMessage(EventHub.TOUCH_UP, touchUpData);
    }


    private int getScaledMaxXScroll() {
        int width;
        if (mHeightCanMeasure == false) {
            width = getViewWidth() / 4;
        } else {
            Rect visRect = new Rect();
            calcOurVisibleRect(visRect);
            width = visRect.width() / 2;
        }
        // FIXME the divisor should be retrieved from somewhere
        return viewToContentX(width);
    }

    private int getScaledMaxYScroll() {
        int height;
        if (mHeightCanMeasure == false) {
            height = getViewHeight() / 4;
        } else {
            Rect visRect = new Rect();
            calcOurVisibleRect(visRect);
            height = visRect.height() / 2;
        }
        // FIXME the divisor should be retrieved from somewhere
        // the closest thing today is hard-coded into ScrollView.java
        // (from ScrollView.java, line 363)   int maxJump = height/2;
        return Math.round(height * mInvActualScale);
    }

    /**
     * Called by JNI to invalidate view
     */
    private void viewInvalidate() {
        invalidate();
    }

    // return true if the key was handled
    private boolean navHandledKey(int keyCode, int count, boolean noScroll,
            long time, boolean ignorePlugin) {
        if (mNativeClass == 0) {
            return false;
        }
        if (ignorePlugin == false && nativeFocusIsPlugin()) {
            KeyEvent event = new KeyEvent(time, time, KeyEvent.ACTION_DOWN
                , keyCode, count, (mShiftIsPressed ? KeyEvent.META_SHIFT_ON : 0)
                | (false ? KeyEvent.META_ALT_ON : 0) // FIXME
                | (false ? KeyEvent.META_SYM_ON : 0) // FIXME
                , 0, 0, 0);
            mWebViewCore.sendMessage(EventHub.KEY_DOWN, event);
            mWebViewCore.sendMessage(EventHub.KEY_UP, event);
            return true;
        }
        mLastCursorTime = time;
        mLastCursorBounds = nativeGetCursorRingBounds();
        boolean keyHandled
                = nativeMoveCursor(keyCode, count, noScroll) == false;
        if (DebugFlags.WEB_VIEW) {
            Log.v(LOGTAG, "navHandledKey mLastCursorBounds=" + mLastCursorBounds
                    + " mLastCursorTime=" + mLastCursorTime
                    + " handled=" + keyHandled);
        }
        if (keyHandled == false || mHeightCanMeasure == false) {
            return keyHandled;
        }
        Rect contentCursorRingBounds = nativeGetCursorRingBounds();
        if (contentCursorRingBounds.isEmpty()) return keyHandled;
        Rect viewCursorRingBounds = contentToViewRect(contentCursorRingBounds);
        Rect visRect = new Rect();
        calcOurVisibleRect(visRect);
        Rect outset = new Rect(visRect);
        int maxXScroll = visRect.width() / 2;
        int maxYScroll = visRect.height() / 2;
        outset.inset(-maxXScroll, -maxYScroll);
        if (Rect.intersects(outset, viewCursorRingBounds) == false) {
            return keyHandled;
        }
        // FIXME: Necessary because ScrollView/ListView do not scroll left/right
        int maxH = Math.min(viewCursorRingBounds.right - visRect.right,
                maxXScroll);
        if (maxH > 0) {
            pinScrollBy(maxH, 0, true, 0);
        } else {
            maxH = Math.max(viewCursorRingBounds.left - visRect.left,
                    -maxXScroll);
            if (maxH < 0) {
                pinScrollBy(maxH, 0, true, 0);
            }
        }
        if (mLastCursorBounds.isEmpty()) return keyHandled;
        if (mLastCursorBounds.equals(contentCursorRingBounds)) {
            return keyHandled;
        }
        if (DebugFlags.WEB_VIEW) {
            Log.v(LOGTAG, "navHandledKey contentCursorRingBounds="
                    + contentCursorRingBounds);
        }
        requestRectangleOnScreen(viewCursorRingBounds);
        mUserScroll = true;
        return keyHandled;
    }

    /**
     * Set the background color. It's white by default. Pass
     * zero to make the view transparent.
     * @param color   the ARGB color described by Color.java
     */
    public void setBackgroundColor(int color) {
        mBackgroundColor = color;
        mWebViewCore.sendMessage(EventHub.SET_BACKGROUND_COLOR, color);
    }

    public void debugDump() {
        nativeDebugDump();
        mWebViewCore.sendMessage(EventHub.DUMP_NAVTREE);
    }

    /**
     * Draw the HTML page into the specified canvas. This call ignores any
     * view-specific zoom, scroll offset, or other changes. It does not draw
     * any view-specific chrome, such as progress or URL bars.
     *
     * @hide only needs to be accessible to Browser and testing
     */
    public void drawPage(Canvas canvas) {
        mWebViewCore.drawContentPicture(canvas, 0, false, false);
    }

    /**
     *  Update our cache with updatedText.
     *  @param updatedText  The new text to put in our cache.
     */
    /* package */ void updateCachedTextfield(String updatedText) {
        // Also place our generation number so that when we look at the cache
        // we recognize that it is up to date.
        nativeUpdateCachedTextfield(updatedText, mTextGeneration);
    }

    private native int nativeCacheHitFramePointer();
    private native Rect nativeCacheHitNodeBounds();
    private native int nativeCacheHitNodePointer();
    /* package */ native void nativeClearCursor();
    private native void     nativeCreate(int ptr);
    private native int      nativeCursorFramePointer();
    private native Rect     nativeCursorNodeBounds();
    private native int nativeCursorNodePointer();
    /* package */ native boolean nativeCursorMatchesFocus();
    private native boolean  nativeCursorIntersects(Rect visibleRect);
    private native boolean  nativeCursorIsAnchor();
    private native boolean  nativeCursorIsTextInput();
    private native Point    nativeCursorPosition();
    private native String   nativeCursorText();
    /**
     * Returns true if the native cursor node says it wants to handle key events
     * (ala plugins). This can only be called if mNativeClass is non-zero!
     */
    private native boolean  nativeCursorWantsKeyEvents();
    private native void     nativeDebugDump();
    private native void     nativeDestroy();
    private native void     nativeDrawCursorRing(Canvas content);
    private native void     nativeDestroyLayer(int layer);
    private native int      nativeEvaluateLayersAnimations(int layer);
    private native boolean  nativeLayersHaveAnimations(int layer);
    private native void     nativeUpdateLayers(int layer, int updates);
    private native void     nativeDrawLayers(int layer,
                                             int scrollX, int scrollY,
                                             int width, int height,
                                             float scale, Canvas canvas);
    private native void     nativeDrawMatches(Canvas canvas);
    private native void     nativeDrawSelectionPointer(Canvas content,
            float scale, int x, int y, boolean extendSelection);
    private native void     nativeDrawSelectionRegion(Canvas content);
    private native void     nativeDumpDisplayTree(String urlOrNull);
    private native int      nativeFindAll(String findLower, String findUpper);
    private native void     nativeFindNext(boolean forward);
    /* package */ native int      nativeFocusCandidateFramePointer();
    private native boolean  nativeFocusCandidateIsPassword();
    private native boolean  nativeFocusCandidateIsRtlText();
    private native boolean  nativeFocusCandidateIsTextInput();
    /* package */ native int      nativeFocusCandidateMaxLength();
    /* package */ native String   nativeFocusCandidateName();
    private native Rect     nativeFocusCandidateNodeBounds();
    private native int      nativeFocusCandidatePointer();
    private native String   nativeFocusCandidateText();
    private native int      nativeFocusCandidateTextSize();
    /**
     * Returns an integer corresponding to WebView.cpp::type.
     * See WebTextView.setType()
     */
    private native int      nativeFocusCandidateType();
    private native boolean  nativeFocusIsPlugin();
    /* package */ native int nativeFocusNodePointer();
    private native Rect     nativeGetCursorRingBounds();
    private native String   nativeGetSelection();
    private native boolean  nativeHasCursorNode();
    private native boolean  nativeHasFocusNode();
    private native void     nativeHideCursor();
    private native String   nativeImageURI(int x, int y);
    private native void     nativeInstrumentReport();
    /* package */ native void nativeMoveCursorToNextTextInput();
    // return true if the page has been scrolled
    private native boolean  nativeMotionUp(int x, int y, int slop);
    // returns false if it handled the key
    private native boolean  nativeMoveCursor(int keyCode, int count,
            boolean noScroll);
    private native int      nativeMoveGeneration();
    private native void     nativeMoveSelection(int x, int y,
            boolean extendSelection);
    private native boolean  nativePointInNavCache(int x, int y, int slop);
    // Like many other of our native methods, you must make sure that
    // mNativeClass is not null before calling this method.
    private native void     nativeRecordButtons(boolean focused,
            boolean pressed, boolean invalidate);
    private native void     nativeSelectBestAt(Rect rect);
    private native void     nativeSetFindIsUp();
    private native void     nativeSetFollowedLink(boolean followed);
    private native void     nativeSetHeightCanMeasure(boolean measure);
    // Returns a value corresponding to CachedFrame::ImeAction
    /* package */ native int  nativeTextFieldAction();
    private native int      nativeTextGeneration();
    // Never call this version except by updateCachedTextfield(String) -
    // we always want to pass in our generation number.
    private native void     nativeUpdateCachedTextfield(String updatedText,
            int generation);
    // return NO_LEFTEDGE means failure.
    private static final int NO_LEFTEDGE = -1;
    private native int      nativeGetBlockLeftEdge(int x, int y, float scale);
}