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      1 /*
      2  * Copyright (C) 2010, 2012 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 "core/html/forms/BaseClickableWithKeyInputType.h"
     34 
     35 #include "core/events/KeyboardEvent.h"
     36 #include "core/html/HTMLInputElement.h"
     37 
     38 namespace WebCore {
     39 
     40 using namespace HTMLNames;
     41 
     42 void BaseClickableWithKeyInputType::handleKeydownEvent(HTMLInputElement& element, KeyboardEvent* event)
     43 {
     44     const String& key = event->keyIdentifier();
     45     if (key == "U+0020") {
     46         element.setActive(true);
     47         // No setDefaultHandled(), because IE dispatches a keypress in this case
     48         // and the caller will only dispatch a keypress if we don't call setDefaultHandled().
     49     }
     50 }
     51 
     52 void BaseClickableWithKeyInputType::handleKeypressEvent(HTMLInputElement& element, KeyboardEvent* event)
     53 {
     54     int charCode = event->charCode();
     55     if (charCode == '\r') {
     56         element.dispatchSimulatedClick(event);
     57         event->setDefaultHandled();
     58         return;
     59     }
     60     if (charCode == ' ') {
     61         // Prevent scrolling down the page.
     62         event->setDefaultHandled();
     63     }
     64 }
     65 
     66 void BaseClickableWithKeyInputType::handleKeyupEvent(InputType& inputType, KeyboardEvent* event)
     67 {
     68     const String& key = event->keyIdentifier();
     69     if (key != "U+0020")
     70         return;
     71     // Simulate mouse click for spacebar for button types.
     72     inputType.dispatchSimulatedClickIfActive(event);
     73 }
     74 
     75 // FIXME: Could share this with BaseCheckableInputType and RangeInputType if we had a common base class.
     76 void BaseClickableWithKeyInputType::accessKeyAction(HTMLInputElement& element, bool sendMouseEvents)
     77 {
     78     element.dispatchSimulatedClick(0, sendMouseEvents ? SendMouseUpDownEvents : SendNoEvents);
     79 }
     80 
     81 void BaseClickableWithKeyInputType::handleKeydownEvent(KeyboardEvent* event)
     82 {
     83     handleKeydownEvent(element(), event);
     84 }
     85 
     86 void BaseClickableWithKeyInputType::handleKeypressEvent(KeyboardEvent* event)
     87 {
     88     handleKeypressEvent(element(), event);
     89 }
     90 
     91 void BaseClickableWithKeyInputType::handleKeyupEvent(KeyboardEvent* event)
     92 {
     93     handleKeyupEvent(*this, event);
     94 }
     95 
     96 void BaseClickableWithKeyInputType::accessKeyAction(bool sendMouseEvents)
     97 {
     98     InputType::accessKeyAction(sendMouseEvents);
     99     accessKeyAction(element(), sendMouseEvents);
    100 }
    101 
    102 } // namespace WebCore
    103