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/*
* 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.
*/
#ifndef PopupContainer_h
#define PopupContainer_h
#include "FramelessScrollView.h"
#include "PopupListBox.h"
#include "PopupMenuStyle.h"
namespace WebCore {
class ChromeClientChromium;
class FrameView;
class PopupMenuClient;
class PopupContainer : public FramelessScrollView {
public:
enum PopupType {
Select, // HTML select popup.
Suggestion, // Autocomplete/autofill popup.
};
static PassRefPtr<PopupContainer> create(PopupMenuClient*, PopupType,
const PopupContainerSettings&);
// Whether a key event should be sent to this popup.
virtual bool isInterestedInEventForKey(int keyCode);
// FramelessScrollView
virtual void paint(GraphicsContext*, const IntRect&);
virtual void hide();
virtual bool handleMouseDownEvent(const PlatformMouseEvent&);
virtual bool handleMouseMoveEvent(const PlatformMouseEvent&);
virtual bool handleMouseReleaseEvent(const PlatformMouseEvent&);
virtual bool handleWheelEvent(const PlatformWheelEvent&);
virtual bool handleKeyEvent(const PlatformKeyboardEvent&);
#if ENABLE(TOUCH_EVENTS)
virtual bool handleTouchEvent(const PlatformTouchEvent&);
#endif
#if ENABLE(GESTURE_EVENTS)
virtual bool handleGestureEvent(const PlatformGestureEvent&);
#endif
// PopupContainer methods
// Show the popup
void showPopup(FrameView*);
// Show the popup in the specified rect for the specified frame.
// Note: this code was somehow arbitrarily factored-out of the Popup class
// so WebViewImpl can create a PopupContainer. This method is used for
// displaying auto complete popup menus on Mac Chromium, and for all
// popups on other platforms.
void showInRect(const IntRect&, FrameView*, int index);
// Hides the popup.
void hidePopup();
// The popup was hidden.
void notifyPopupHidden();
// Compute size of widget and children. Return right offset for the popup right alignment.
int layoutAndGetRTLOffset();
PopupListBox* listBox() const { return m_listBox.get(); }
bool isRTL() const;
// Gets the index of the item that the user is currently moused-over or
// has selected with the keyboard up/down arrows.
int selectedIndex() const;
// Refresh the popup values from the PopupMenuClient.
IntRect refresh(const IntRect& targetControlRect);
// The menu per-item data.
const WTF::Vector<PopupItem*>& popupData() const;
// The height of a row in the menu.
int menuItemHeight() const;
// The size of the font being used.
int menuItemFontSize() const;
// The style of the menu being used.
PopupMenuStyle menuStyle() const;
PopupType popupType() const { return m_popupType; }
// While hovering popup menu window, we want to show tool tip message.
String getSelectedItemToolTip();
// This is public for testing.
static IntRect layoutAndCalculateWidgetRectInternal(IntRect widgetRectInScreen, int targetControlHeight, const FloatRect& windowRect, const FloatRect& screen, bool isRTL, const int rtlOffset, PopupContent*, bool& needToResizeView);
private:
friend class WTF::RefCounted<PopupContainer>;
PopupContainer(PopupMenuClient*, PopupType, const PopupContainerSettings&);
~PopupContainer();
// Paint the border.
void paintBorder(GraphicsContext*, const IntRect&);
// Layout and calculate popup widget size and location and returns it as IntRect.
IntRect layoutAndCalculateWidgetRect(int targetControlHeight, const IntPoint& popupInitialCoordinate);
void fitToListBox();
// Returns the ChromeClient of the page this popup is associated with.
ChromeClientChromium* chromeClientChromium();
RefPtr<PopupListBox> m_listBox;
RefPtr<FrameView> m_frameView;
PopupContainerSettings m_settings;
PopupType m_popupType;
// This contains the "ideal" dimensions and position for the popup
// (PopupContainer's frameRect() location should always be (0, 0), since
// it is rendered inside (and relative to) a WebWidget, which should get
// the actual popup position through chromeClientChromium()).
IntRect m_originalFrameRect;
// Whether the popup is currently open.
bool m_popupOpen;
};
} // namespace WebCore
#endif
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