Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 0 insertions, 358 deletions

diff --git a/WebCore/editing/DeleteButtonController.cpp b/WebCore/editing/DeleteButtonController.cpp
deleted file mode 100644
index 028edc8..0000000
--- a/WebCore/editing/DeleteButtonController.cpp
+++ /dev/null
@@ -1,358 +0,0 @@
-/*
- * Copyright (C) 2006, 2008, 2009 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 "DeleteButtonController.h"
-
-#include "CachedImage.h"
-#include "CSSMutableStyleDeclaration.h"
-#include "CSSPrimitiveValue.h"
-#include "CSSPropertyNames.h"
-#include "CSSValueKeywords.h"
-#include "DeleteButton.h"
-#include "Document.h"
-#include "Editor.h"
-#include "Frame.h"
-#include "htmlediting.h"
-#include "HTMLDivElement.h"
-#include "HTMLNames.h"
-#include "Image.h"
-#include "Node.h"
-#include "Range.h"
-#include "RemoveNodeCommand.h"
-#include "RenderBox.h"
-#include "SelectionController.h"
-
-namespace WebCore {
-
-using namespace HTMLNames;
-
-const char* const DeleteButtonController::containerElementIdentifier = "WebKit-Editing-Delete-Container";
-const char* const DeleteButtonController::buttonElementIdentifier = "WebKit-Editing-Delete-Button";
-const char* const DeleteButtonController::outlineElementIdentifier = "WebKit-Editing-Delete-Outline";
-
-DeleteButtonController::DeleteButtonController(Frame* frame)
-    : m_frame(frame)
-    , m_wasStaticPositioned(false)
-    , m_wasAutoZIndex(false)
-    , m_disableStack(0)
-{
-}
-
-static bool isDeletableElement(const Node* node)
-{
-    if (!node || !node->isHTMLElement() || !node->inDocument() || !node->isContentEditable())
-        return false;
-
-    // In general we want to only draw the UI around object of a certain area, but we still keep the min width/height to
-    // make sure we don't end up with very thin or very short elements getting the UI.
-    const int minimumArea = 2500;
-    const int minimumWidth = 48;
-    const int minimumHeight = 16;
-    const unsigned minimumVisibleBorders = 1;
-
-    RenderObject* renderer = node->renderer();
-    if (!renderer || !renderer->isBox())
-        return false;
-
-    // Disallow the body element since it isn't practical to delete, and the deletion UI would be clipped.
-    if (node->hasTagName(bodyTag))
-        return false;
-
-    // Disallow elements with any overflow clip, since the deletion UI would be clipped as well. <rdar://problem/6840161>
-    if (renderer->hasOverflowClip())
-        return false;
-
-    // Disallow Mail blockquotes since the deletion UI would get in the way of editing for these.
-    if (isMailBlockquote(node))
-        return false;
-
-    RenderBox* box = toRenderBox(renderer);
-    IntRect borderBoundingBox = box->borderBoundingBox();
-    if (borderBoundingBox.width() < minimumWidth || borderBoundingBox.height() < minimumHeight)
-        return false;
-
-    if ((borderBoundingBox.width() * borderBoundingBox.height()) < minimumArea)
-        return false;
-
-    if (renderer->isTable())
-        return true;
-
-    if (node->hasTagName(ulTag) || node->hasTagName(olTag) || node->hasTagName(iframeTag))
-        return true;
-
-    if (renderer->isPositioned())
-        return true;
-
-    if (renderer->isRenderBlock() && !renderer->isTableCell()) {
-        RenderStyle* style = renderer->style();
-        if (!style)
-            return false;
-
-        // Allow blocks that have background images
-        if (style->hasBackgroundImage() && style->backgroundImage()->canRender(1.0f))
-            return true;
-
-        // Allow blocks with a minimum number of non-transparent borders
-        unsigned visibleBorders = style->borderTop().isVisible() + style->borderBottom().isVisible() + style->borderLeft().isVisible() + style->borderRight().isVisible();
-        if (visibleBorders >= minimumVisibleBorders)
-            return true;
-
-        // Allow blocks that have a different background from it's parent
-        ContainerNode* parentNode = node->parentNode();
-        if (!parentNode)
-            return false;
-
-        RenderObject* parentRenderer = parentNode->renderer();
-        if (!parentRenderer)
-            return false;
-
-        RenderStyle* parentStyle = parentRenderer->style();
-        if (!parentStyle)
-            return false;
-
-        if (renderer->hasBackground() && (!parentRenderer->hasBackground() || style->visitedDependentColor(CSSPropertyBackgroundColor) != parentStyle->visitedDependentColor(CSSPropertyBackgroundColor)))
-            return true;
-    }
-
-    return false;
-}
-
-static HTMLElement* enclosingDeletableElement(const VisibleSelection& selection)
-{
-    if (!selection.isContentEditable())
-        return 0;
-
-    RefPtr<Range> range = selection.toNormalizedRange();
-    if (!range)
-        return 0;
-
-    ExceptionCode ec = 0;
-    Node* container = range->commonAncestorContainer(ec);
-    ASSERT(container);
-    ASSERT(ec == 0);
-
-    // The enclosingNodeOfType function only works on nodes that are editable
-    // (which is strange, given its name).
-    if (!container->isContentEditable())
-        return 0;
-
-    Node* element = enclosingNodeOfType(Position(container, 0), &isDeletableElement);
-    if (!element)
-        return 0;
-
-    ASSERT(element->isHTMLElement());
-    return static_cast<HTMLElement*>(element);
-}
-
-void DeleteButtonController::respondToChangedSelection(const VisibleSelection& oldSelection)
-{
-    if (!enabled())
-        return;
-
-    HTMLElement* oldElement = enclosingDeletableElement(oldSelection);
-    HTMLElement* newElement = enclosingDeletableElement(m_frame->selection()->selection());
-    if (oldElement == newElement)
-        return;
-
-    // If the base is inside a deletable element, give the element a delete widget.
-    if (newElement)
-        show(newElement);
-    else
-        hide();
-}
-
-void DeleteButtonController::createDeletionUI()
-{
-    RefPtr<HTMLDivElement> container = HTMLDivElement::create(m_target->document());
-    container->setIdAttribute(containerElementIdentifier);
-
-    CSSMutableStyleDeclaration* style = container->getInlineStyleDecl();
-    style->setProperty(CSSPropertyWebkitUserDrag, CSSValueNone);
-    style->setProperty(CSSPropertyWebkitUserSelect, CSSValueNone);
-    style->setProperty(CSSPropertyWebkitUserModify, CSSValueNone);
-    style->setProperty(CSSPropertyVisibility, CSSValueHidden);
-    style->setProperty(CSSPropertyPosition, CSSValueAbsolute);
-    style->setProperty(CSSPropertyCursor, CSSValueDefault);
-    style->setProperty(CSSPropertyTop, "0");
-    style->setProperty(CSSPropertyRight, "0");
-    style->setProperty(CSSPropertyBottom, "0");
-    style->setProperty(CSSPropertyLeft, "0");
-
-    RefPtr<HTMLDivElement> outline = HTMLDivElement::create(m_target->document());
-    outline->setIdAttribute(outlineElementIdentifier);
-
-    const int borderWidth = 4;
-    const int borderRadius = 6;
-
-    style = outline->getInlineStyleDecl();
-    style->setProperty(CSSPropertyPosition, CSSValueAbsolute);
-    style->setProperty(CSSPropertyZIndex, String::number(-1000000));
-    style->setProperty(CSSPropertyTop, String::number(-borderWidth - m_target->renderBox()->borderTop()) + "px");
-    style->setProperty(CSSPropertyRight, String::number(-borderWidth - m_target->renderBox()->borderRight()) + "px");
-    style->setProperty(CSSPropertyBottom, String::number(-borderWidth - m_target->renderBox()->borderBottom()) + "px");
-    style->setProperty(CSSPropertyLeft, String::number(-borderWidth - m_target->renderBox()->borderLeft()) + "px");
-    style->setProperty(CSSPropertyBorder, String::number(borderWidth) + "px solid rgba(0, 0, 0, 0.6)");
-    style->setProperty(CSSPropertyWebkitBorderRadius, String::number(borderRadius) + "px");
-    style->setProperty(CSSPropertyVisibility, CSSValueVisible);
-
-    ExceptionCode ec = 0;
-    container->appendChild(outline.get(), ec);
-    ASSERT(ec == 0);
-    if (ec)
-        return;
-
-    RefPtr<DeleteButton> button = DeleteButton::create(m_target->document());
-    button->setIdAttribute(buttonElementIdentifier);
-
-    const int buttonWidth = 30;
-    const int buttonHeight = 30;
-    const int buttonBottomShadowOffset = 2;
-
-    style = button->getInlineStyleDecl();
-    style->setProperty(CSSPropertyPosition, CSSValueAbsolute);
-    style->setProperty(CSSPropertyZIndex, String::number(1000000));
-    style->setProperty(CSSPropertyTop, String::number((-buttonHeight / 2) - m_target->renderBox()->borderTop() - (borderWidth / 2) + buttonBottomShadowOffset) + "px");
-    style->setProperty(CSSPropertyLeft, String::number((-buttonWidth / 2) - m_target->renderBox()->borderLeft() - (borderWidth / 2)) + "px");
-    style->setProperty(CSSPropertyWidth, String::number(buttonWidth) + "px");
-    style->setProperty(CSSPropertyHeight, String::number(buttonHeight) + "px");
-    style->setProperty(CSSPropertyVisibility, CSSValueVisible);
-
-    RefPtr<Image> buttonImage = Image::loadPlatformResource("deleteButton");
-    if (buttonImage->isNull())
-        return;
-
-    button->setCachedImage(new CachedImage(buttonImage.get()));
-
-    container->appendChild(button.get(), ec);
-    ASSERT(ec == 0);
-    if (ec)
-        return;
-
-    m_containerElement = container.release();
-    m_outlineElement = outline.release();
-    m_buttonElement = button.release();
-}
-
-void DeleteButtonController::show(HTMLElement* element)
-{
-    hide();
-
-    if (!enabled() || !element || !element->inDocument() || !isDeletableElement(element))
-        return;
-
-    if (!m_frame->editor()->shouldShowDeleteInterface(static_cast<HTMLElement*>(element)))
-        return;
-
-    // we rely on the renderer having current information, so we should update the layout if needed
-    m_frame->document()->updateLayoutIgnorePendingStylesheets();
-
-    m_target = element;
-
-    if (!m_containerElement) {
-        createDeletionUI();
-        if (!m_containerElement) {
-            hide();
-            return;
-        }
-    }
-
-    ExceptionCode ec = 0;
-    m_target->appendChild(m_containerElement.get(), ec);
-    ASSERT(ec == 0);
-    if (ec) {
-        hide();
-        return;
-    }
-
-    if (m_target->renderer()->style()->position() == StaticPosition) {
-        m_target->getInlineStyleDecl()->setProperty(CSSPropertyPosition, CSSValueRelative);
-        m_wasStaticPositioned = true;
-    }
-
-    if (m_target->renderer()->style()->hasAutoZIndex()) {
-        m_target->getInlineStyleDecl()->setProperty(CSSPropertyZIndex, "0");
-        m_wasAutoZIndex = true;
-    }
-}
-
-void DeleteButtonController::hide()
-{
-    m_outlineElement = 0;
-    m_buttonElement = 0;
-
-    ExceptionCode ec = 0;
-    if (m_containerElement && m_containerElement->parentNode())
-        m_containerElement->parentNode()->removeChild(m_containerElement.get(), ec);
-
-    if (m_target) {
-        if (m_wasStaticPositioned)
-            m_target->getInlineStyleDecl()->setProperty(CSSPropertyPosition, CSSValueStatic);
-        if (m_wasAutoZIndex)
-            m_target->getInlineStyleDecl()->setProperty(CSSPropertyZIndex, CSSValueAuto);
-    }
-
-    m_wasStaticPositioned = false;
-    m_wasAutoZIndex = false;
-}
-
-void DeleteButtonController::enable()
-{
-    ASSERT(m_disableStack > 0);
-    if (m_disableStack > 0)
-        m_disableStack--;
-    if (enabled()) {
-        // Determining if the element is deletable currently depends on style
-        // because whether something is editable depends on style, so we need
-        // to recalculate style before calling enclosingDeletableElement.
-        m_frame->document()->updateStyleIfNeeded();
-        show(enclosingDeletableElement(m_frame->selection()->selection()));
-    }
-}
-
-void DeleteButtonController::disable()
-{
-    if (enabled())
-        hide();
-    m_disableStack++;
-}
-
-void DeleteButtonController::deleteTarget()
-{
-    if (!enabled() || !m_target)
-        return;
-
-    RefPtr<Node> element = m_target;
-    hide();
-
-    // Because the deletion UI only appears when the selection is entirely
-    // within the target, we unconditionally update the selection to be
-    // a caret where the target had been.
-    Position pos = positionInParentBeforeNode(element.get());
-    applyCommand(RemoveNodeCommand::create(element.release()));
-    m_frame->selection()->setSelection(VisiblePosition(pos));
-}
-
-} // namespace WebCore