The Tor Browser: gfx/layers/basic/BasicColorLayer.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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/. */

     6 #include "BasicLayersImpl.h"            // for FillRectWithMask, etc

     7 #include "Layers.h"                     // for ColorLayer, etc

     8 #include "BasicImplData.h"              // for BasicImplData

     9 #include "BasicLayers.h"                // for BasicLayerManager

    10 #include "gfxContext.h"                 // for gfxContext, etc

    11 #include "gfxRect.h"                    // for gfxRect

    12 #include "gfx2DGlue.h"

    13 #include "mozilla/mozalloc.h"           // for operator new

    14 #include "nsAutoPtr.h"                  // for nsRefPtr

    15 #include "nsCOMPtr.h"                   // for already_AddRefed

    16 #include "nsDebug.h"                    // for NS_ASSERTION

    17 #include "nsISupportsImpl.h"            // for Layer::AddRef, etc

    18 #include "nsRect.h"                     // for nsIntRect

    19 #include "nsRegion.h"                   // for nsIntRegion

    20 #include "mozilla/gfx/PathHelpers.h"

    22 using namespace mozilla::gfx;

    24 namespace mozilla {

    25 namespace layers {

    27 class BasicColorLayer : public ColorLayer, public BasicImplData {

    28 public:

    29   BasicColorLayer(BasicLayerManager* aLayerManager) :

    30     ColorLayer(aLayerManager,

    31                static_cast<BasicImplData*>(MOZ_THIS_IN_INITIALIZER_LIST()))

    32   {

    33     MOZ_COUNT_CTOR(BasicColorLayer);

    34   }

    35   virtual ~BasicColorLayer()

    36   {

    37     MOZ_COUNT_DTOR(BasicColorLayer);

    38   }

    40   virtual void SetVisibleRegion(const nsIntRegion& aRegion)

    41   {

    42     NS_ASSERTION(BasicManager()->InConstruction(),

    43                  "Can only set properties in construction phase");

    44     ColorLayer::SetVisibleRegion(aRegion);

    45   }

    47   virtual void Paint(DrawTarget* aDT,

    48                      const gfx::Point& aDeviceOffset,

    49                      Layer* aMaskLayer) MOZ_OVERRIDE

    50   {

    51     if (IsHidden()) {

    52       return;

    53     }

    55     Rect snapped(mBounds.x, mBounds.y, mBounds.width, mBounds.height);

    56     if (UserToDevicePixelSnapped(snapped, aDT->GetTransform())) {

    57       Matrix mat = aDT->GetTransform();

    58       mat.Invert();

    59       snapped = mat.TransformBounds(snapped);

    60     }

    62     FillRectWithMask(aDT, aDeviceOffset, snapped, ToColor(mColor),

    63                      DrawOptions(GetEffectiveOpacity(), GetEffectiveOperator(this)),

    64                      aMaskLayer);

    65   }

    67 protected:

    68   BasicLayerManager* BasicManager()

    69   {

    70     return static_cast<BasicLayerManager*>(mManager);

    71   }

    72 };

    74 already_AddRefed<ColorLayer>

    75 BasicLayerManager::CreateColorLayer()

    76 {

    77   NS_ASSERTION(InConstruction(), "Only allowed in construction phase");

    78   nsRefPtr<ColorLayer> layer = new BasicColorLayer(this);

    79   return layer.forget();

    80 }

    82 }

    83 }

The Tor Browser / file revision