The Tor Browser: gfx/layers/basic/BasicCanvasLayer.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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 #ifndef GFX_BASICCANVASLAYER_H

     7 #define GFX_BASICCANVASLAYER_H

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

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

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

    12 #include "Layers.h"                     // for CanvasLayer, etc

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

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

    16 class gfxContext;

    18 namespace mozilla {

    19 namespace layers {

    21 class BasicCanvasLayer : public CopyableCanvasLayer,

    22                          public BasicImplData

    23 {

    24 public:

    25   BasicCanvasLayer(BasicLayerManager* aLayerManager) :

    26     CopyableCanvasLayer(aLayerManager,

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

    28   { }

    30   virtual void SetVisibleRegion(const nsIntRegion& aRegion)

    31   {

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

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

    34     CanvasLayer::SetVisibleRegion(aRegion);

    35   }

    37   virtual void Paint(gfx::DrawTarget* aDT,

    38                      const gfx::Point& aDeviceOffset,

    39                      Layer* aMaskLayer) MOZ_OVERRIDE;

    41 protected:

    42   BasicLayerManager* BasicManager()

    43   {

    44     return static_cast<BasicLayerManager*>(mManager);

    45   }

    46 };

    48 }

    49 }

    51 #endif

The Tor Browser / file revision