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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 "platform/PopupMenuStyle.h"
#include "platform/geometry/FloatQuad.h"
#include "web/PopupListBox.h"
namespace blink {
class ChromeClient;
class FrameView;
class PopupContainerClient;
class PopupMenuClient;
struct WebPopupMenuInfo;
// This class wraps a PopupListBox. It positions the popup, paints the border
// around it, and forwards input events.
// FIXME(skobes): This class can probably be combined with PopupListBox.
class PopupContainer FINAL : public Widget {
public:
static PassRefPtr<PopupContainer> create(PopupMenuClient*, bool deviceSupportsTouch);
// Whether a key event should be sent to this popup.
bool isInterestedInEventForKey(int keyCode);
// Widget
virtual void paint(GraphicsContext*, const IntRect&) OVERRIDE;
virtual void hide() OVERRIDE;
virtual HostWindow* hostWindow() const OVERRIDE;
virtual void invalidateRect(const IntRect&) OVERRIDE;
// PopupContainer methods
bool handleMouseDownEvent(const PlatformMouseEvent&);
bool handleMouseMoveEvent(const PlatformMouseEvent&);
bool handleMouseReleaseEvent(const PlatformMouseEvent&);
bool handleWheelEvent(const PlatformWheelEvent&);
bool handleKeyEvent(const PlatformKeyboardEvent&);
bool handleTouchEvent(const PlatformTouchEvent&);
bool handleGestureEvent(const PlatformGestureEvent&);
PopupContainerClient* client() const { return m_client; }
void setClient(PopupContainerClient* client) { m_client = client; }
// 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 FloatQuad& controlPosition, const IntSize& controlSize, FrameView*, int index);
// Hides the popup.
void hidePopup();
// The popup was hidden.
void notifyPopupHidden();
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 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;
// 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, const int verticalOffset, const IntSize& transformOffset, PopupContent*, bool& needToResizeView);
void disconnectClient() { m_listBox->disconnectClient(); }
void updateFromElement() { m_listBox->updateFromElement(); }
private:
friend class WTF::RefCounted<PopupContainer>;
PopupContainer(PopupMenuClient*, bool deviceSupportsTouch);
virtual ~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 IntSize& transformOffset, const IntPoint& popupInitialCoordinate);
void fitToListBox();
void popupOpened(const IntRect& bounds);
void getPopupMenuInfo(WebPopupMenuInfo*);
// Returns the ChromeClient of the page this popup is associated with.
ChromeClient& chromeClient();
RefPtr<PopupListBox> m_listBox;
RefPtr<FrameView> m_frameView;
// m_controlPosition contains the transformed position of the
// <select>/<input> associated with this popup. m_controlSize is the size
// of the <select>/<input> without transform.
// The popup menu will be positioned as follows:
// LTR : If the popup is positioned down it will align with the bottom left
// of m_controlPosition (p4)
// If the popup is positioned up it will align with the top left of
// m_controlPosition (p1)
// RTL : If the popup is positioned down it will align with the bottom right
// of m_controlPosition (p3)
// If the popup is positioned up it will align with the top right of
// m_controlPosition (p2)
FloatQuad m_controlPosition;
IntSize m_controlSize;
// Whether the popup is currently open.
bool m_popupOpen;
PopupContainerClient* m_client;
};
} // namespace blink
#endif
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