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      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 "core/html/forms/BaseButtonInputType.h"
     34 
     35 #include "core/HTMLNames.h"
     36 #include "core/dom/Text.h"
     37 #include "core/dom/shadow/ShadowRoot.h"
     38 #include "core/html/HTMLInputElement.h"
     39 #include "core/rendering/RenderButton.h"
     40 
     41 namespace WebCore {
     42 
     43 using namespace HTMLNames;
     44 
     45 void BaseButtonInputType::createShadowSubtree()
     46 {
     47     ASSERT(element().userAgentShadowRoot());
     48     element().userAgentShadowRoot()->appendChild(Text::create(element().document(), element().valueWithDefault()));
     49 }
     50 
     51 void BaseButtonInputType::valueAttributeChanged()
     52 {
     53     toText(element().userAgentShadowRoot()->firstChild())->setData(element().valueWithDefault());
     54 }
     55 
     56 bool BaseButtonInputType::shouldSaveAndRestoreFormControlState() const
     57 {
     58     return false;
     59 }
     60 
     61 bool BaseButtonInputType::appendFormData(FormDataList&, bool) const
     62 {
     63     // Buttons except overridden types are never successful.
     64     return false;
     65 }
     66 
     67 RenderObject* BaseButtonInputType::createRenderer(RenderStyle*) const
     68 {
     69     return new RenderButton(&element());
     70 }
     71 
     72 bool BaseButtonInputType::storesValueSeparateFromAttribute()
     73 {
     74     return false;
     75 }
     76 
     77 void BaseButtonInputType::setValue(const String& sanitizedValue, bool, TextFieldEventBehavior)
     78 {
     79     element().setAttribute(valueAttr, AtomicString(sanitizedValue));
     80 }
     81 
     82 } // namespace WebCore
     83