layout/inspector/InspectorFontFace.h
author Jean-Yves Avenard <jyavenard@mozilla.com>
Mon, 08 Oct 2018 13:24:19 +0200
changeset 498410 2851d7aead763576969cf47383066977ae75f4b3
parent 481599 a97feb8161b7a4c60a539d83cb702a6e50fab1b1
child 508163 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1495025 - P2. Use lambda for callback. r=cpearce I find it easier to read than a function pointer making you search elsewhere to see what it's about Depends on D7294 Differential Revision: https://phabricator.services.mozilla.com/D7295

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_InspectorFontFace_h
#define mozilla_InspectorFontFace_h

#include "mozilla/dom/CSSFontFaceRule.h"
#include "mozilla/dom/InspectorUtilsBinding.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "nsRange.h"
#include "gfxFont.h"

class gfxFontGroup;

namespace mozilla {
namespace dom {

/**
 * Information on font face usage by a given DOM Range, as returned by
 * InspectorUtils.getUsedFontFaces.
 */
class InspectorFontFace final : public NonRefcountedDOMObject
{
public:
  InspectorFontFace(gfxFontEntry* aFontEntry,
                    gfxFontGroup* aFontGroup,
                    gfxTextRange::MatchType aMatchType)
    : mFontEntry(aFontEntry)
    , mFontGroup(aFontGroup)
    , mMatchType(aMatchType)
  {
    MOZ_COUNT_CTOR(InspectorFontFace);
  }

  ~InspectorFontFace()
  {
    MOZ_COUNT_DTOR(InspectorFontFace);
  }

  gfxFontEntry* GetFontEntry() const { return mFontEntry; }
  void AddMatchType(gfxTextRange::MatchType aMatchType) {
    mMatchType |= aMatchType;
  }

  void AddRange(nsRange* aRange);
  size_t RangeCount() const {
    return mRanges.Length();
  }

  // Web IDL
  bool FromFontGroup();
  bool FromLanguagePrefs();
  bool FromSystemFallback();
  void GetName(nsAString& aName);
  void GetCSSFamilyName(nsAString& aCSSFamilyName);
  void GetCSSGeneric(nsAString& aGeneric);
  CSSFontFaceRule* GetRule();
  int32_t SrcIndex();
  void GetURI(nsAString& aURI);
  void GetLocalName(nsAString& aLocalName);
  void GetFormat(nsAString& aFormat);
  void GetMetadata(nsAString& aMetadata);

  void GetVariationAxes(nsTArray<InspectorVariationAxis>& aResult,
                        ErrorResult& aRV);
  void GetVariationInstances(nsTArray<InspectorVariationInstance>& aResult,
                             ErrorResult& aRV);
  void GetFeatures(nsTArray<InspectorFontFeature>& aResult,
                   ErrorResult& aRV);

  void GetRanges(nsTArray<RefPtr<nsRange>>& aResult);

  bool WrapObject(JSContext* aCx,
                  JS::Handle<JSObject*> aGivenProto,
                  JS::MutableHandle<JSObject*> aReflector)
  {
    return InspectorFontFace_Binding::Wrap(aCx, this, aGivenProto, aReflector);
  }

protected:
  RefPtr<gfxFontEntry> mFontEntry;
  RefPtr<gfxFontGroup> mFontGroup;
  RefPtr<CSSFontFaceRule> mRule;
  gfxTextRange::MatchType mMatchType;

  nsTArray<RefPtr<nsRange>> mRanges;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_InspectorFontFace_h