/* * Copyright (C) 2006, 2008, 2010 Apple 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: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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. */ #include "config.h" #include "TextControlInnerElements.h" #include "BeforeTextInsertedEvent.h" #include "Document.h" #include "EventHandler.h" #include "EventNames.h" #include "Frame.h" #include "HTMLInputElement.h" #include "HTMLNames.h" #include "HTMLTextAreaElement.h" #include "MouseEvent.h" #include "RenderLayer.h" #include "RenderTextControlSingleLine.h" namespace WebCore { using namespace HTMLNames; class RenderTextControlInnerBlock : public RenderBlock { public: RenderTextControlInnerBlock(Node* node, bool isMultiLine) : RenderBlock(node), m_multiLine(isMultiLine) { } private: virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction); virtual VisiblePosition positionForPoint(const IntPoint&); bool m_multiLine; }; bool RenderTextControlInnerBlock::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int x, int y, int tx, int ty, HitTestAction hitTestAction) { RenderObject* renderer = node()->shadowAncestorNode()->renderer(); bool placeholderIsVisible = false; if (renderer->isTextField()) placeholderIsVisible = toRenderTextControlSingleLine(renderer)->placeholderIsVisible(); return RenderBlock::nodeAtPoint(request, result, x, y, tx, ty, placeholderIsVisible ? HitTestBlockBackground : hitTestAction); } VisiblePosition RenderTextControlInnerBlock::positionForPoint(const IntPoint& point) { IntPoint contentsPoint(point); // Multiline text controls have the scroll on shadowAncestorNode, so we need to take that // into account here. if (m_multiLine) { RenderTextControl* renderer = toRenderTextControl(node()->shadowAncestorNode()->renderer()); if (renderer->hasOverflowClip()) contentsPoint += renderer->layer()->scrolledContentOffset(); } return RenderBlock::positionForPoint(contentsPoint); } // ---------------------------- TextControlInnerElement::TextControlInnerElement(Document* document, Node* shadowParent) : HTMLDivElement(divTag, document) , m_shadowParent(shadowParent) { } PassRefPtr TextControlInnerElement::create(Node* shadowParent) { return new TextControlInnerElement(shadowParent->document(), shadowParent); } void TextControlInnerElement::attachInnerElement(Node* parent, PassRefPtr style, RenderArena* arena) { // When adding these elements, create the renderer & style first before adding to the DOM. // Otherwise, the render tree will create some anonymous blocks that will mess up our layout. // Create the renderer with the specified style RenderObject* renderer = createRenderer(arena, style.get()); if (renderer) { setRenderer(renderer); renderer->setStyle(style); } // Set these explicitly since this normally happens during an attach() setAttached(); setInDocument(); // For elements without a shadow parent, add the node to the DOM normally. if (!m_shadowParent) parent->addChild(this); // Add the renderer to the render tree if (renderer) parent->renderer()->addChild(renderer); } // ---------------------------- inline TextControlInnerTextElement::TextControlInnerTextElement(Document* document, Node* shadowParent) : TextControlInnerElement(document, shadowParent) { } PassRefPtr TextControlInnerTextElement::create(Document* document, Node* shadowParent) { return new TextControlInnerTextElement(document, shadowParent); } void TextControlInnerTextElement::defaultEventHandler(Event* event) { // FIXME: In the future, we should add a way to have default event listeners. // Then we would add one to the text field's inner div, and we wouldn't need this subclass. // Or possibly we could just use a normal event listener. if (event->isBeforeTextInsertedEvent() || event->type() == eventNames().webkitEditableContentChangedEvent) { if (Node* shadowAncestor = shadowAncestorNode()) shadowAncestor->defaultEventHandler(event); } if (event->defaultHandled()) HTMLDivElement::defaultEventHandler(event); } RenderObject* TextControlInnerTextElement::createRenderer(RenderArena* arena, RenderStyle*) { bool multiLine = false; Node* shadowAncestor = shadowAncestorNode(); if (shadowAncestor && shadowAncestor->renderer()) { ASSERT(shadowAncestor->renderer()->isTextField() || shadowAncestor->renderer()->isTextArea()); multiLine = shadowAncestor->renderer()->isTextArea(); } return new (arena) RenderTextControlInnerBlock(this, multiLine); } // ---------------------------- inline SearchFieldResultsButtonElement::SearchFieldResultsButtonElement(Document* document) : TextControlInnerElement(document) { } PassRefPtr SearchFieldResultsButtonElement::create(Document* document) { return new SearchFieldResultsButtonElement(document); } void SearchFieldResultsButtonElement::defaultEventHandler(Event* event) { // On mousedown, bring up a menu, if needed HTMLInputElement* input = static_cast(shadowAncestorNode()); if (event->type() == eventNames().mousedownEvent && event->isMouseEvent() && static_cast(event)->button() == LeftButton) { input->focus(); input->select(); RenderTextControlSingleLine* renderer = toRenderTextControlSingleLine(input->renderer()); if (renderer->popupIsVisible()) renderer->hidePopup(); else if (input->maxResults() > 0) renderer->showPopup(); event->setDefaultHandled(); } if (!event->defaultHandled()) HTMLDivElement::defaultEventHandler(event); } // ---------------------------- inline SearchFieldCancelButtonElement::SearchFieldCancelButtonElement(Document* document) : TextControlInnerElement(document) , m_capturing(false) { } PassRefPtr SearchFieldCancelButtonElement::create(Document* document) { return new SearchFieldCancelButtonElement(document); } void SearchFieldCancelButtonElement::detach() { if (m_capturing) { if (Frame* frame = document()->frame()) frame->eventHandler()->setCapturingMouseEventsNode(0); } TextControlInnerElement::detach(); } void SearchFieldCancelButtonElement::defaultEventHandler(Event* event) { // If the element is visible, on mouseup, clear the value, and set selection HTMLInputElement* input = static_cast(shadowAncestorNode()); if (event->type() == eventNames().mousedownEvent && event->isMouseEvent() && static_cast(event)->button() == LeftButton) { if (renderer() && renderer()->visibleToHitTesting()) { if (Frame* frame = document()->frame()) { frame->eventHandler()->setCapturingMouseEventsNode(this); m_capturing = true; } } input->focus(); input->select(); event->setDefaultHandled(); } if (event->type() == eventNames().mouseupEvent && event->isMouseEvent() && static_cast(event)->button() == LeftButton) { if (m_capturing && renderer() && renderer()->visibleToHitTesting()) { if (Frame* frame = document()->frame()) { frame->eventHandler()->setCapturingMouseEventsNode(0); m_capturing = false; } if (hovered()) { input->setValue(""); input->onSearch(); event->setDefaultHandled(); } } } if (!event->defaultHandled()) HTMLDivElement::defaultEventHandler(event); } // ---------------------------- inline SpinButtonElement::SpinButtonElement(Node* shadowParent) : TextControlInnerElement(shadowParent->document(), shadowParent) , m_capturing(false) , m_onUpButton(false) { } PassRefPtr SpinButtonElement::create(Node* shadowParent) { return new SpinButtonElement(shadowParent); } void SpinButtonElement::defaultEventHandler(Event* event) { if (!event->isMouseEvent()) { if (!event->defaultHandled()) HTMLDivElement::defaultEventHandler(event); return; } MouseEvent* mouseEvent = static_cast(event); if (mouseEvent->button() != LeftButton) { if (!event->defaultHandled()) HTMLDivElement::defaultEventHandler(event); return; } HTMLInputElement* input = static_cast(shadowAncestorNode()); IntPoint local = roundedIntPoint(renderBox()->absoluteToLocal(mouseEvent->absoluteLocation(), false, true)); if (event->type() == eventNames().clickEvent) { if (renderBox()->borderBoxRect().contains(local)) { input->focus(); input->select(); if (local.y() < renderBox()->y() + renderBox()->height() / 2) input->stepUpFromRenderer(1); else input->stepUpFromRenderer(-1); event->setDefaultHandled(); } } else if (event->type() == eventNames().mousemoveEvent) { if (renderBox()->borderBoxRect().contains(local)) { if (!m_capturing) { if (Frame* frame = document()->frame()) { frame->eventHandler()->setCapturingMouseEventsNode(input); m_capturing = true; } } bool oldOnUpButton = m_onUpButton; m_onUpButton = local.y() < renderBox()->y() + renderBox()->height() / 2; if (m_onUpButton != oldOnUpButton) renderer()->repaint(); } else { if (m_capturing) { if (Frame* frame = document()->frame()) { frame->eventHandler()->setCapturingMouseEventsNode(0); m_capturing = false; } } } } if (!event->defaultHandled()) HTMLDivElement::defaultEventHandler(event); } }