1 /* 2 * Copyright (c) 2011, Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef PopupContainer_h 32 #define PopupContainer_h 33 34 #include "PopupListBox.h" 35 #include "platform/PopupMenuStyle.h" 36 #include "platform/geometry/FloatQuad.h" 37 #include "platform/scroll/FramelessScrollView.h" 38 39 namespace WebCore { 40 41 class ChromeClient; 42 class FrameView; 43 class PopupMenuClient; 44 45 class PopupContainer : public FramelessScrollView { 46 public: 47 enum PopupType { 48 Select, // HTML select popup. 49 Suggestion, // Autocomplete/autofill popup. 50 }; 51 52 static PassRefPtr<PopupContainer> create(PopupMenuClient*, PopupType, const PopupContainerSettings&); 53 54 // Whether a key event should be sent to this popup. 55 bool isInterestedInEventForKey(int keyCode); 56 57 // FramelessScrollView 58 virtual void paint(GraphicsContext*, const IntRect&) OVERRIDE; 59 virtual void hide() OVERRIDE; 60 virtual bool handleMouseDownEvent(const PlatformMouseEvent&) OVERRIDE; 61 virtual bool handleMouseMoveEvent(const PlatformMouseEvent&) OVERRIDE; 62 virtual bool handleMouseReleaseEvent(const PlatformMouseEvent&) OVERRIDE; 63 virtual bool handleWheelEvent(const PlatformWheelEvent&) OVERRIDE; 64 virtual bool handleKeyEvent(const PlatformKeyboardEvent&) OVERRIDE; 65 virtual bool handleTouchEvent(const PlatformTouchEvent&) OVERRIDE; 66 virtual bool handleGestureEvent(const PlatformGestureEvent&) OVERRIDE; 67 68 // PopupContainer methods 69 70 // Show the popup 71 void showPopup(FrameView*); 72 73 // Show the popup in the specified rect for the specified frame. 74 // Note: this code was somehow arbitrarily factored-out of the Popup class 75 // so WebViewImpl can create a PopupContainer. This method is used for 76 // displaying auto complete popup menus on Mac Chromium, and for all 77 // popups on other platforms. 78 void showInRect(const FloatQuad& controlPosition, const IntSize& controlSize, FrameView*, int index); 79 80 // Hides the popup. 81 void hidePopup(); 82 83 // The popup was hidden. 84 void notifyPopupHidden(); 85 listBox()86 PopupListBox* listBox() const { return m_listBox.get(); } 87 88 bool isRTL() const; 89 90 // Gets the index of the item that the user is currently moused-over or 91 // has selected with the keyboard up/down arrows. 92 int selectedIndex() const; 93 94 // Refresh the popup values from the PopupMenuClient. 95 IntRect refresh(const IntRect& targetControlRect); 96 97 // The menu per-item data. 98 const WTF::Vector<PopupItem*>& popupData() const; 99 100 // The height of a row in the menu. 101 int menuItemHeight() const; 102 103 // The size of the font being used. 104 int menuItemFontSize() const; 105 106 // The style of the menu being used. 107 PopupMenuStyle menuStyle() const; 108 popupType()109 PopupType popupType() const { return m_popupType; } 110 111 // While hovering popup menu window, we want to show tool tip message. 112 String getSelectedItemToolTip(); 113 114 // This is public for testing. 115 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); 116 117 private: 118 friend class WTF::RefCounted<PopupContainer>; 119 120 PopupContainer(PopupMenuClient*, PopupType, const PopupContainerSettings&); 121 ~PopupContainer(); 122 123 // Paint the border. 124 void paintBorder(GraphicsContext*, const IntRect&); 125 126 // Layout and calculate popup widget size and location and returns it as IntRect. 127 IntRect layoutAndCalculateWidgetRect(int targetControlHeight, const IntSize& transformOffset, const IntPoint& popupInitialCoordinate); 128 129 void fitToListBox(); 130 131 // Returns the ChromeClient of the page this popup is associated with. 132 ChromeClient& chromeClient(); 133 134 RefPtr<PopupListBox> m_listBox; 135 RefPtr<FrameView> m_frameView; 136 137 PopupContainerSettings m_settings; 138 PopupType m_popupType; 139 140 // m_controlPosition contains the transformed position of the 141 // <select>/<input> associated with this popup. m_controlSize is the size 142 // of the <select>/<input> without transform. 143 // The popup menu will be positioned as follows: 144 // LTR : If the popup is positioned down it will align with the bottom left 145 // of m_controlPosition (p4) 146 // If the popup is positioned up it will align with the top left of 147 // m_controlPosition (p1) 148 // RTL : If the popup is positioned down it will align with the bottom right 149 // of m_controlPosition (p3) 150 // If the popup is positioned up it will align with the top right of 151 // m_controlPosition (p2) 152 FloatQuad m_controlPosition; 153 IntSize m_controlSize; 154 155 // Whether the popup is currently open. 156 bool m_popupOpen; 157 }; 158 159 } // namespace WebCore 160 161 #endif 162