LCOV - code coverage report
Current view: top level - layout/forms - nsColorControlFrame.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 52 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 12 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #include "nsColorControlFrame.h"
       7             : 
       8             : #include "nsContentCreatorFunctions.h"
       9             : #include "nsContentList.h"
      10             : #include "nsContentUtils.h"
      11             : #include "nsCSSPseudoElements.h"
      12             : #include "nsFormControlFrame.h"
      13             : #include "nsGkAtoms.h"
      14             : #include "nsIDOMNode.h"
      15             : #include "nsIFormControl.h"
      16             : #include "mozilla/StyleSetHandle.h"
      17             : #include "mozilla/StyleSetHandleInlines.h"
      18             : #include "mozilla/dom/HTMLInputElement.h"
      19             : #include "nsIDocument.h"
      20             : 
      21             : using mozilla::dom::Element;
      22             : using mozilla::dom::HTMLInputElement;
      23             : using mozilla::dom::CallerType;
      24             : 
      25           0 : nsColorControlFrame::nsColorControlFrame(nsStyleContext* aContext)
      26           0 :   : nsHTMLButtonControlFrame(aContext, kClassID)
      27             : {
      28           0 : }
      29             : 
      30             : nsIFrame*
      31           0 : NS_NewColorControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
      32             : {
      33           0 :   return new (aPresShell) nsColorControlFrame(aContext);
      34             : }
      35             : 
      36           0 : NS_IMPL_FRAMEARENA_HELPERS(nsColorControlFrame)
      37             : 
      38           0 : NS_QUERYFRAME_HEAD(nsColorControlFrame)
      39           0 :   NS_QUERYFRAME_ENTRY(nsColorControlFrame)
      40           0 :   NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator)
      41           0 : NS_QUERYFRAME_TAIL_INHERITING(nsHTMLButtonControlFrame)
      42             : 
      43             : 
      44           0 : void nsColorControlFrame::DestroyFrom(nsIFrame* aDestructRoot)
      45             : {
      46           0 :   nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), false);
      47           0 :   nsContentUtils::DestroyAnonymousContent(&mColorContent);
      48           0 :   nsHTMLButtonControlFrame::DestroyFrom(aDestructRoot);
      49           0 : }
      50             : 
      51             : #ifdef DEBUG_FRAME_DUMP
      52             : nsresult
      53           0 : nsColorControlFrame::GetFrameName(nsAString& aResult) const
      54             : {
      55           0 :   return MakeFrameName(NS_LITERAL_STRING("ColorControl"), aResult);
      56             : }
      57             : #endif
      58             : 
      59             : // Create the color area for the button.
      60             : // The frame will be generated by the frame constructor.
      61             : nsresult
      62           0 : nsColorControlFrame::CreateAnonymousContent(nsTArray<ContentInfo>& aElements)
      63             : {
      64           0 :   nsCOMPtr<nsIDocument> doc = mContent->GetComposedDoc();
      65           0 :   mColorContent = doc->CreateHTMLElement(nsGkAtoms::div);
      66           0 :   mColorContent->SetPseudoElementType(CSSPseudoElementType::mozColorSwatch);
      67             : 
      68             :   // Mark the element to be native anonymous before setting any attributes.
      69           0 :   mColorContent->SetIsNativeAnonymousRoot();
      70             : 
      71           0 :   nsresult rv = UpdateColor();
      72           0 :   NS_ENSURE_SUCCESS(rv, rv);
      73             : 
      74           0 :   if (!aElements.AppendElement(mColorContent)) {
      75           0 :     return NS_ERROR_OUT_OF_MEMORY;
      76             :   }
      77             : 
      78           0 :   return NS_OK;
      79             : }
      80             : 
      81             : void
      82           0 : nsColorControlFrame::AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
      83             :                                               uint32_t aFilter)
      84             : {
      85           0 :   if (mColorContent) {
      86           0 :     aElements.AppendElement(mColorContent);
      87             :   }
      88           0 : }
      89             : 
      90             : nsresult
      91           0 : nsColorControlFrame::UpdateColor()
      92             : {
      93             :   // Get the color from the "value" property of our content; it will return the
      94             :   // default color (through the sanitization algorithm) if there is none.
      95           0 :   nsAutoString color;
      96           0 :   HTMLInputElement* elt = HTMLInputElement::FromContent(mContent);
      97           0 :   elt->GetValue(color, CallerType::System);
      98           0 :   MOZ_ASSERT(!color.IsEmpty(),
      99             :              "Content node's GetValue() should return a valid color string "
     100             :              "(the default color, in case no valid color is set)");
     101             : 
     102             :   // Set the background-color style property of the swatch element to this color
     103           0 :   return mColorContent->SetAttr(kNameSpaceID_None, nsGkAtoms::style,
     104           0 :       NS_LITERAL_STRING("background-color:") + color, true);
     105             : }
     106             : 
     107             : nsresult
     108           0 : nsColorControlFrame::AttributeChanged(int32_t  aNameSpaceID,
     109             :                                       nsIAtom* aAttribute,
     110             :                                       int32_t  aModType)
     111             : {
     112           0 :   NS_ASSERTION(mColorContent, "The color div must exist");
     113             : 
     114             :   // If the value attribute is set, update the color box, but only if we're
     115             :   // still a color control, which might not be the case if the type attribute
     116             :   // was removed/changed.
     117           0 :   nsCOMPtr<nsIFormControl> fctrl = do_QueryInterface(GetContent());
     118           0 :   if (fctrl->ControlType() == NS_FORM_INPUT_COLOR &&
     119           0 :       aNameSpaceID == kNameSpaceID_None && nsGkAtoms::value == aAttribute) {
     120           0 :     UpdateColor();
     121             :   }
     122           0 :   return nsHTMLButtonControlFrame::AttributeChanged(aNameSpaceID, aAttribute,
     123           0 :                                                     aModType);
     124             : }
     125             : 
     126             : nsContainerFrame*
     127           0 : nsColorControlFrame::GetContentInsertionFrame()
     128             : {
     129           0 :   return this;
     130             : }
     131             : 
     132             : Element*
     133           0 : nsColorControlFrame::GetPseudoElement(CSSPseudoElementType aType)
     134             : {
     135           0 :   if (aType == CSSPseudoElementType::mozColorSwatch) {
     136           0 :     return mColorContent;
     137             :   }
     138             : 
     139           0 :   return nsContainerFrame::GetPseudoElement(aType);
     140             : }

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