PopupMenuChromium.cpp   [plain text]


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#include "config.h"
#include "PopupMenuChromium.h"

#include "Frame.h"
#include "FrameView.h"
#include "Page.h"
#include "PopupContainer.h"
#include "Settings.h"

namespace WebCore {

int PopupMenuChromium::s_minimumRowHeight = 0;
int PopupMenuChromium::s_optionPaddingForTouch = 30;

// The settings used for the drop down menu.
// This is the delegate used if none is provided.
static const PopupContainerSettings dropDownSettings = {
    true, // setTextOnIndexChange
    true, // acceptOnAbandon
    false, // loopSelectionNavigation
    false // restrictWidthOfListBox
};

PopupMenuChromium::PopupMenuChromium(PopupMenuClient* client)
    : m_popupClient(client)
{
}

PopupMenuChromium::~PopupMenuChromium()
{
    // When the PopupMenuChromium is destroyed, the client could already have been
    // deleted.
    if (p.popup)
        p.popup->listBox()->disconnectClient();
    hide();
}

void PopupMenuChromium::show(const IntRect& r, FrameView* v, int index)
{
    if (!p.popup) {
        PopupContainerSettings popupSettings = dropDownSettings;
        popupSettings.defaultDeviceScaleFactor =
            v->frame()->page()->settings()->defaultDeviceScaleFactor();
        if (!popupSettings.defaultDeviceScaleFactor)
            popupSettings.defaultDeviceScaleFactor = 1;
        p.popup = PopupContainer::create(client(), PopupContainer::Select, popupSettings);
    }
    p.popup->showInRect(r, v, index);
}

void PopupMenuChromium::hide()
{
    if (p.popup)
        p.popup->hide();
}

void PopupMenuChromium::updateFromElement()
{
    p.popup->listBox()->updateFromElement();
}


void PopupMenuChromium::disconnectClient()
{
    m_popupClient = 0;
}

} // namespace WebCore