1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * Copyright (C) 2011 Apple Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include "config.h" 33 #include "BaseButtonInputType.h" 34 35 #include "HTMLInputElement.h" 36 #include "KeyboardEvent.h" 37 #include "RenderButton.h" 38 39 namespace WebCore { 40 41 bool BaseButtonInputType::appendFormData(FormDataList&, bool) const 42 { 43 // Buttons except overridden types are never successful. 44 return false; 45 } 46 47 void BaseButtonInputType::handleKeydownEvent(KeyboardEvent* event) 48 { 49 const String& key = event->keyIdentifier(); 50 if (key == "U+0020") { 51 element()->setActive(true, true); 52 // No setDefaultHandled(), because IE dispatches a keypress in this case 53 // and the caller will only dispatch a keypress if we don't call setDefaultHandled(). 54 } 55 } 56 57 void BaseButtonInputType::handleKeypressEvent(KeyboardEvent* event) 58 { 59 int charCode = event->charCode(); 60 if (charCode == '\r') { 61 element()->dispatchSimulatedClick(event); 62 event->setDefaultHandled(); 63 return; 64 } 65 if (charCode == ' ') { 66 // Prevent scrolling down the page. 67 event->setDefaultHandled(); 68 } 69 } 70 71 void BaseButtonInputType::handleKeyupEvent(KeyboardEvent* event) 72 { 73 const String& key = event->keyIdentifier(); 74 if (key != "U+0020") 75 return; 76 // Simulate mouse click for spacebar for button types. 77 dispatchSimulatedClickIfActive(event); 78 } 79 80 RenderObject* BaseButtonInputType::createRenderer(RenderArena* arena, RenderStyle*) const 81 { 82 return new (arena) RenderButton(element()); 83 } 84 85 // FIXME: Could share this with BaseCheckableInputType and RangeInputType if we had a common base class. 86 void BaseButtonInputType::accessKeyAction(bool sendToAnyElement) 87 { 88 InputType::accessKeyAction(sendToAnyElement); 89 90 // Send mouse button events if the caller specified sendToAnyElement. 91 // FIXME: The comment above is no good. It says what we do, but not why. 92 element()->dispatchSimulatedClick(0, sendToAnyElement); 93 } 94 95 bool BaseButtonInputType::storesValueSeparateFromAttribute() 96 { 97 return false; 98 } 99 100 } // namespace WebCore 101