Move popup menu code from core/platform to WebKit/chromium/src.

Source/core/platform/chromium/PopupContainer.cpp

Index: Source/core/platform/chromium/PopupContainer.cpp
diff --git a/Source/core/platform/chromium/PopupContainer.cpp b/Source/core/platform/chromium/PopupContainer.cpp
deleted file mode 100644
index 8f7e3371712545f44ce00eb5a1148e4a88c994d1..0000000000000000000000000000000000000000
--- a/Source/core/platform/chromium/PopupContainer.cpp
+++ /dev/null
@@ -1,461 +0,0 @@
-/*
- * Copyright (c) 2011, Google Inc. All rights reserved.
- *
- * 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.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
- * OWNER 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.
- */
-
-#include "config.h"
-#include "core/platform/chromium/PopupContainer.h"
-
-#include "core/dom/Document.h"
-#include "core/dom/UserGestureIndicator.h"
-#include "core/page/Chrome.h"
-#include "core/page/ChromeClient.h"
-#include "core/page/Frame.h"
-#include "core/page/FrameView.h"
-#include "core/page/Page.h"
-#include "core/platform/PlatformGestureEvent.h"
-#include "core/platform/PlatformKeyboardEvent.h"
-#include "core/platform/PlatformMouseEvent.h"
-#include "core/platform/PlatformScreen.h"
-#include "core/platform/PlatformTouchEvent.h"
-#include "core/platform/PlatformWheelEvent.h"
-#include "core/platform/PopupMenuClient.h"
-#include "core/platform/chromium/FramelessScrollView.h"
-#include "core/platform/chromium/FramelessScrollViewClient.h"
-#include "core/platform/chromium/PopupListBox.h"
-#include "core/platform/graphics/GraphicsContext.h"
-#include "core/platform/graphics/IntRect.h"
-#include <limits>
-
-namespace WebCore {
-
-static const int borderSize = 1;
-
-static PlatformMouseEvent constructRelativeMouseEvent(const PlatformMouseEvent& e, FramelessScrollView* parent, FramelessScrollView* child)
-{
-    IntPoint pos = parent->convertSelfToChild(child, e.position());
-
-    // FIXME: This is a horrible hack since PlatformMouseEvent has no setters for x/y.
-    PlatformMouseEvent relativeEvent = e;
-    IntPoint& relativePos = const_cast<IntPoint&>(relativeEvent.position());
-    relativePos.setX(pos.x());
-    relativePos.setY(pos.y());
-    return relativeEvent;
-}
-
-static PlatformWheelEvent constructRelativeWheelEvent(const PlatformWheelEvent& e, FramelessScrollView* parent, FramelessScrollView* child)
-{
-    IntPoint pos = parent->convertSelfToChild(child, e.position());
-
-    // FIXME: This is a horrible hack since PlatformWheelEvent has no setters for x/y.
-    PlatformWheelEvent relativeEvent = e;
-    IntPoint& relativePos = const_cast<IntPoint&>(relativeEvent.position());
-    relativePos.setX(pos.x());
-    relativePos.setY(pos.y());
-    return relativeEvent;
-}
-
-// static
-PassRefPtr<PopupContainer> PopupContainer::create(PopupMenuClient* client, PopupType popupType, const PopupContainerSettings& settings)
-{
-    return adoptRef(new PopupContainer(client, popupType, settings));
-}
-
-PopupContainer::PopupContainer(PopupMenuClient* client, PopupType popupType, const PopupContainerSettings& settings)
-    : m_listBox(PopupListBox::create(client, settings))
-    , m_settings(settings)
-    , m_popupType(popupType)
-    , m_popupOpen(false)
-{
-    setScrollbarModes(ScrollbarAlwaysOff, ScrollbarAlwaysOff);
-}
-
-PopupContainer::~PopupContainer()
-{
-    if (m_listBox && m_listBox->parent())
-        removeChild(m_listBox.get());
-}
-
-IntRect PopupContainer::layoutAndCalculateWidgetRectInternal(IntRect widgetRectInScreen, int targetControlHeight, const FloatRect& windowRect, const FloatRect& screen, bool isRTL, const int rtlOffset, const int verticalOffset, const IntSize& transformOffset, PopupContent* listBox, bool& needToResizeView)
-{
-    ASSERT(listBox);
-    if (windowRect.x() >= screen.x() && windowRect.maxX() <= screen.maxX() && (widgetRectInScreen.x() < screen.x() || widgetRectInScreen.maxX() > screen.maxX())) {
-        // First, inverse the popup alignment if it does not fit the screen -
-        // this might fix things (or make them better).
-        IntRect inverseWidgetRectInScreen = widgetRectInScreen;
-        inverseWidgetRectInScreen.setX(inverseWidgetRectInScreen.x() + (isRTL ? -rtlOffset : rtlOffset));
-        inverseWidgetRectInScreen.setY(inverseWidgetRectInScreen.y() + (isRTL ? -verticalOffset : verticalOffset));
-        IntRect enclosingScreen = enclosingIntRect(screen);
-        unsigned originalCutoff = std::max(enclosingScreen.x() - widgetRectInScreen.x(), 0) + std::max(widgetRectInScreen.maxX() - enclosingScreen.maxX(), 0);
-        unsigned inverseCutoff = std::max(enclosingScreen.x() - inverseWidgetRectInScreen.x(), 0) + std::max(inverseWidgetRectInScreen.maxX() - enclosingScreen.maxX(), 0);
-
-        // Accept the inverse popup alignment if the trimmed content gets
-        // shorter than that in the original alignment case.
-        if (inverseCutoff < originalCutoff)
-            widgetRectInScreen = inverseWidgetRectInScreen;
-
-        if (widgetRectInScreen.x() < screen.x()) {
-            widgetRectInScreen.setWidth(widgetRectInScreen.maxX() - screen.x());
-            widgetRectInScreen.setX(screen.x());
-            listBox->setMaxWidthAndLayout(std::max(widgetRectInScreen.width() - borderSize * 2, 0));
-        } else if (widgetRectInScreen.maxX() > screen.maxX()) {
-            widgetRectInScreen.setWidth(screen.maxX() - widgetRectInScreen.x());
-            listBox->setMaxWidthAndLayout(std::max(widgetRectInScreen.width() - borderSize * 2, 0));
-        }
-    }
-
-    // Calculate Y axis size.
-    if (widgetRectInScreen.maxY() > static_cast<int>(screen.maxY())) {
-        if (widgetRectInScreen.y() - widgetRectInScreen.height() - targetControlHeight - transformOffset.height() > 0) {
-            // There is enough room to open upwards.
-            widgetRectInScreen.move(-transformOffset.width(), -(widgetRectInScreen.height() + targetControlHeight + transformOffset.height()));
-        } else {
-            // Figure whether upwards or downwards has more room and set the
-            // maximum number of items.
-            int spaceAbove = widgetRectInScreen.y() - targetControlHeight + transformOffset.height();
-            int spaceBelow = screen.maxY() - widgetRectInScreen.y();
-            if (spaceAbove > spaceBelow)
-                listBox->setMaxHeight(spaceAbove);
-            else
-                listBox->setMaxHeight(spaceBelow);
-            listBox->layout();
-            needToResizeView = true;
-            widgetRectInScreen.setHeight(listBox->popupContentHeight() + borderSize * 2);
-            // Move WebWidget upwards if necessary.
-            if (spaceAbove > spaceBelow)
-                widgetRectInScreen.move(-transformOffset.width(), -(widgetRectInScreen.height() + targetControlHeight + transformOffset.height()));
-        }
-    }
-    return widgetRectInScreen;
-}
-
-IntRect PopupContainer::layoutAndCalculateWidgetRect(int targetControlHeight, const IntSize& transformOffset, const IntPoint& popupInitialCoordinate)
-{
-    // Reset the max width and height to their default values, they will be
-    // recomputed below if necessary.
-    m_listBox->setMaxHeight(PopupListBox::defaultMaxHeight);
-    m_listBox->setMaxWidth(std::numeric_limits<int>::max());
-
-    // Lay everything out to figure out our preferred size, then tell the view's
-    // WidgetClient about it. It should assign us a client.
-    m_listBox->layout();
-    fitToListBox();
-    bool isRTL = this->isRTL();
-
-    // Compute the starting x-axis for a normal RTL or right-aligned LTR
-    // dropdown. For those, the right edge of dropdown box should be aligned
-    // with the right edge of <select>/<input> element box, and the dropdown box
-    // should be expanded to the left if more space is needed.
-    // m_originalFrameRect.width() is the width of the target <select>/<input>
-    // element.
-    int rtlOffset = m_controlPosition.p2().x() - m_controlPosition.p1().x() - (m_listBox->width() + borderSize * 2);
-    int rightOffset = isRTL ? rtlOffset : 0;
-
-    // Compute the y-axis offset between the bottom left and bottom right
-    // points. If the <select>/<input> is transformed, they are not the same.
-    int verticalOffset = - m_controlPosition.p4().y() + m_controlPosition.p3().y();
-    int verticalForRTLOffset = isRTL ? verticalOffset : 0;
-
-    // Assume m_listBox size is already calculated.
-    IntSize targetSize(m_listBox->width() + borderSize * 2, m_listBox->height() + borderSize * 2);
-
-    IntRect widgetRectInScreen;
-    if (ChromeClient* client = chromeClient()) {
-        // If the popup would extend past the bottom of the screen, open upwards
-        // instead.
-        FloatRect screen = screenAvailableRect(m_frameView.get());
-        // Use popupInitialCoordinate.x() + rightOffset because RTL position
-        // needs to be considered.
-        widgetRectInScreen = client->rootViewToScreen(IntRect(popupInitialCoordinate.x() + rightOffset, popupInitialCoordinate.y() + verticalForRTLOffset, targetSize.width(), targetSize.height()));
-
-        // If we have multiple screens and the browser rect is in one screen, we
-        // have to clip the window width to the screen width.
-        // When clipping, we also need to set a maximum width for the list box.
-        FloatRect windowRect = client->windowRect();
-
-        bool needToResizeView = false;
-        widgetRectInScreen = layoutAndCalculateWidgetRectInternal(widgetRectInScreen, targetControlHeight, windowRect, screen, isRTL, rtlOffset, verticalOffset, transformOffset, m_listBox.get(), needToResizeView);
-        if (needToResizeView)
-            fitToListBox();
-    }
-
-    return widgetRectInScreen;
-}
-
-void PopupContainer::showPopup(FrameView* view)
-{
-    m_frameView = view;
-    listBox()->m_focusedNode = m_frameView->frame()->document()->focusedNode();
-
-    if (ChromeClient* client = chromeClient()) {
-        IntSize transformOffset(m_controlPosition.p4().x() - m_controlPosition.p1().x(), m_controlPosition.p4().y() - m_controlPosition.p1().y() - m_controlSize.height());
-        client->popupOpened(this, layoutAndCalculateWidgetRect(m_controlSize.height(), transformOffset, roundedIntPoint(m_controlPosition.p4())), false);
-        m_popupOpen = true;
-    }
-
-    if (!m_listBox->parent())
-        addChild(m_listBox.get());
-
-    // Enable scrollbars after the listbox is inserted into the hierarchy,
-    // so it has a proper WidgetClient.
-    m_listBox->setVerticalScrollbarMode(ScrollbarAuto);
-
-    m_listBox->scrollToRevealSelection();
-
-    invalidate();
-}
-
-void PopupContainer::hidePopup()
-{
-    listBox()->hidePopup();
-}
-
-void PopupContainer::notifyPopupHidden()
-{
-    if (!m_popupOpen)
-        return;
-    m_popupOpen = false;
-    chromeClient()->popupClosed(this);
-}
-
-void PopupContainer::fitToListBox()
-{
-    // Place the listbox within our border.
-    m_listBox->move(borderSize, borderSize);
-
-    // Size ourselves to contain listbox + border.
-    resize(m_listBox->width() + borderSize * 2, m_listBox->height() + borderSize * 2);
-    invalidate();
-}
-
-bool PopupContainer::handleMouseDownEvent(const PlatformMouseEvent& event)
-{
-    UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
-    return m_listBox->handleMouseDownEvent(
-        constructRelativeMouseEvent(event, this, m_listBox.get()));
-}
-
-bool PopupContainer::handleMouseMoveEvent(const PlatformMouseEvent& event)
-{
-    UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
-    return m_listBox->handleMouseMoveEvent(
-        constructRelativeMouseEvent(event, this, m_listBox.get()));
-}
-
-bool PopupContainer::handleMouseReleaseEvent(const PlatformMouseEvent& event)
-{
-    RefPtr<PopupContainer> protect(this);
-    UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
-    return m_listBox->handleMouseReleaseEvent(
-        constructRelativeMouseEvent(event, this, m_listBox.get()));
-}
-
-bool PopupContainer::handleWheelEvent(const PlatformWheelEvent& event)
-{
-    UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
-    return m_listBox->handleWheelEvent(
-        constructRelativeWheelEvent(event, this, m_listBox.get()));
-}
-
-bool PopupContainer::handleTouchEvent(const PlatformTouchEvent&)
-{
-    return false;
-}
-
-// FIXME: Refactor this code to share functionality with
-// EventHandler::handleGestureEvent.
-bool PopupContainer::handleGestureEvent(const PlatformGestureEvent& gestureEvent)
-{
-    switch (gestureEvent.type()) {
-    case PlatformEvent::GestureTap: {
-        PlatformMouseEvent fakeMouseMove(gestureEvent.position(), gestureEvent.globalPosition(), NoButton, PlatformEvent::MouseMoved, /* clickCount */ 1, gestureEvent.shiftKey(), gestureEvent.ctrlKey(), gestureEvent.altKey(), gestureEvent.metaKey(), gestureEvent.timestamp());
-        PlatformMouseEvent fakeMouseDown(gestureEvent.position(), gestureEvent.globalPosition(), LeftButton, PlatformEvent::MousePressed, /* clickCount */ 1, gestureEvent.shiftKey(), gestureEvent.ctrlKey(), gestureEvent.altKey(), gestureEvent.metaKey(), gestureEvent.timestamp());
-        PlatformMouseEvent fakeMouseUp(gestureEvent.position(), gestureEvent.globalPosition(), LeftButton, PlatformEvent::MouseReleased, /* clickCount */ 1, gestureEvent.shiftKey(), gestureEvent.ctrlKey(), gestureEvent.altKey(), gestureEvent.metaKey(), gestureEvent.timestamp());
-        // handleMouseMoveEvent(fakeMouseMove);
-        handleMouseDownEvent(fakeMouseDown);
-        handleMouseReleaseEvent(fakeMouseUp);
-        return true;
-    }
-    case PlatformEvent::GestureScrollUpdate:
-    case PlatformEvent::GestureScrollUpdateWithoutPropagation: {
-        PlatformWheelEvent syntheticWheelEvent(gestureEvent.position(), gestureEvent.globalPosition(), gestureEvent.deltaX(), gestureEvent.deltaY(), gestureEvent.deltaX() / 120.0f, gestureEvent.deltaY() / 120.0f, ScrollByPixelWheelEvent, gestureEvent.shiftKey(), gestureEvent.ctrlKey(), gestureEvent.altKey(), gestureEvent.metaKey());
-        handleWheelEvent(syntheticWheelEvent);
-        return true;
-    }
-    case PlatformEvent::GestureScrollBegin:
-    case PlatformEvent::GestureScrollEnd:
-    case PlatformEvent::GestureTapDown:
-        break;
-    default:
-        ASSERT_NOT_REACHED();
-    }
-    return false;
-}
-
-bool PopupContainer::handleKeyEvent(const PlatformKeyboardEvent& event)
-{
-    UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
-    return m_listBox->handleKeyEvent(event);
-}
-
-void PopupContainer::hide()
-{
-    m_listBox->abandon();
-}
-
-void PopupContainer::paint(GraphicsContext* gc, const IntRect& rect)
-{
-    // Adjust coords for scrolled frame.
-    IntRect r = intersection(rect, frameRect());
-    int tx = x();
-    int ty = y();
-
-    r.move(-tx, -ty);
-
-    gc->translate(static_cast<float>(tx), static_cast<float>(ty));
-    m_listBox->paint(gc, r);
-    gc->translate(-static_cast<float>(tx), -static_cast<float>(ty));
-
-    paintBorder(gc, rect);
-}
-
-void PopupContainer::paintBorder(GraphicsContext* gc, const IntRect& rect)
-{
-    // FIXME: Where do we get the border color from?
-    Color borderColor(127, 157, 185);
-
-    gc->setStrokeStyle(NoStroke);
-    gc->setFillColor(borderColor, ColorSpaceDeviceRGB);
-
-    int tx = x();
-    int ty = y();
-
-    // top, left, bottom, right
-    gc->drawRect(IntRect(tx, ty, width(), borderSize));
-    gc->drawRect(IntRect(tx, ty, borderSize, height()));
-    gc->drawRect(IntRect(tx, ty + height() - borderSize, width(), borderSize));
-    gc->drawRect(IntRect(tx + width() - borderSize, ty, borderSize, height()));
-}
-
-bool PopupContainer::isInterestedInEventForKey(int keyCode)
-{
-    return m_listBox->isInterestedInEventForKey(keyCode);
-}
-
-ChromeClient* PopupContainer::chromeClient()
-{
-    return m_frameView->frame()->page()->chrome().client();
-}
-
-void PopupContainer::showInRect(const FloatQuad& controlPosition, const IntSize& controlSize, FrameView* v, int index)
-{
-    // The controlSize is the size of the select box. It's usually larger than
-    // we need. Subtract border size so that usually the container will be
-    // displayed exactly the same width as the select box.
-    listBox()->setBaseWidth(max(controlSize.width() - borderSize * 2, 0));
-
-    listBox()->updateFromElement();
-
-    // We set the selected item in updateFromElement(), and disregard the
-    // index passed into this function (same as Webkit's PopupMenuWin.cpp)
-    // FIXME: make sure this is correct, and add an assertion.
-    // ASSERT(popupWindow(popup)->listBox()->selectedIndex() == index);
-
-    // Save and convert the controlPosition to main window coords.
-    m_controlPosition = controlPosition;
-    IntPoint delta = v->contentsToWindow(IntPoint());
-    m_controlPosition.move(delta.x(), delta.y());
-    m_controlSize = controlSize;
-
-    // Position at (0, 0) since the frameRect().location() is relative to the
-    // parent WebWidget.
-    setFrameRect(IntRect(IntPoint(), controlSize));
-    showPopup(v);
-}
-
-IntRect PopupContainer::refresh(const IntRect& targetControlRect)
-{
-    listBox()->setBaseWidth(max(m_controlSize.width() - borderSize * 2, 0));
-    listBox()->updateFromElement();
-
-    IntPoint locationInWindow = m_frameView->contentsToWindow(targetControlRect.location());
-
-    // Move it below the select widget.
-    locationInWindow.move(0, targetControlRect.height());
-
-    IntRect widgetRectInScreen = layoutAndCalculateWidgetRect(targetControlRect.height(), IntSize(), locationInWindow);
-
-    // Reset the size (which can be set to the PopupListBox size in
-    // layoutAndGetRTLOffset(), exceeding the available widget rectangle.)
-    if (size() != widgetRectInScreen.size())
-        resize(widgetRectInScreen.size());
-
-    invalidate();
-
-    return widgetRectInScreen;
-}
-
-inline bool PopupContainer::isRTL() const
-{
-    return m_listBox->m_popupClient->menuStyle().textDirection() == RTL;
-}
-
-int PopupContainer::selectedIndex() const
-{
-    return m_listBox->selectedIndex();
-}
-
-int PopupContainer::menuItemHeight() const
-{
-    return m_listBox->getRowHeight(0);
-}
-
-int PopupContainer::menuItemFontSize() const
-{
-    return m_listBox->getRowFont(0).size();
-}
-
-PopupMenuStyle PopupContainer::menuStyle() const
-{
-    return m_listBox->m_popupClient->menuStyle();
-}
-
-const WTF::Vector<PopupItem*>& PopupContainer:: popupData() const
-{
-    return m_listBox->items();
-}
-
-String PopupContainer::getSelectedItemToolTip()
-{
-    // We cannot use m_popupClient->selectedIndex() to choose tooltip message,
-    // because the selectedIndex() might return final selected index, not
-    // hovering selection.
-    return listBox()->m_popupClient->itemToolTip(listBox()->m_selectedIndex);
-}
-
-} // namespace WebCore