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/* -*- 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 GFX_CLIENTCONTAINERLAYER_H
#define GFX_CLIENTCONTAINERLAYER_H
#include <stdint.h> // for uint32_t
#include "ClientLayerManager.h" // for ClientLayerManager, etc
#include "Layers.h" // for Layer, ContainerLayer, etc
#include "nsDebug.h" // for NS_ASSERTION
#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, etc
#include "nsISupportsUtils.h" // for NS_ADDREF, NS_RELEASE
#include "nsRegion.h" // for nsIntRegion
#include "nsTArray.h" // for AutoTArray
#include "ReadbackProcessor.h"
#include "ClientPaintedLayer.h"
namespace mozilla {
namespace layers {
class ShadowableLayer;
class ClientContainerLayer : public ContainerLayer, public ClientLayer {
public:
explicit ClientContainerLayer(ClientLayerManager* aManager)
: ContainerLayer(aManager, static_cast<ClientLayer*>(this)) {
MOZ_COUNT_CTOR(ClientContainerLayer);
mSupportsComponentAlphaChildren = true;
}
protected:
virtual ~ClientContainerLayer() {
ContainerLayer::RemoveAllChildren();
MOZ_COUNT_DTOR(ClientContainerLayer);
}
public:
void RenderLayer() override {
RenderMaskLayers(this);
DefaultComputeSupportsComponentAlphaChildren();
ReadbackProcessor readback;
readback.BuildUpdates(this);
nsTArray<Layer*> children = CollectChildren();
for (uint32_t i = 0; i < children.Length(); i++) {
Layer* child = children.ElementAt(i);
ToClientLayer(child)->RenderLayerWithReadback(&readback);
if (!ClientManager()->GetRepeatTransaction() &&
!child->GetInvalidRegion().IsEmpty()) {
child->Mutated();
}
}
}
void SetVisibleRegion(const LayerIntRegion& aRegion) override {
NS_ASSERTION(ClientManager()->InConstruction(),
"Can only set properties in construction phase");
ContainerLayer::SetVisibleRegion(aRegion);
}
bool InsertAfter(Layer* aChild, Layer* aAfter) override {
if (!ClientManager()->InConstruction()) {
NS_ERROR("Can only set properties in construction phase");
return false;
}
if (!ContainerLayer::InsertAfter(aChild, aAfter)) {
return false;
}
ClientManager()->AsShadowForwarder()->InsertAfter(
ClientManager()->Hold(this), ClientManager()->Hold(aChild),
aAfter ? ClientManager()->Hold(aAfter) : nullptr);
return true;
}
bool RemoveChild(Layer* aChild) override {
if (!ClientManager()->InConstruction()) {
NS_ERROR("Can only set properties in construction phase");
return false;
}
// hold on to aChild before we remove it!
ShadowableLayer* heldChild = ClientManager()->Hold(aChild);
if (!ContainerLayer::RemoveChild(aChild)) {
return false;
}
ClientManager()->AsShadowForwarder()->RemoveChild(
ClientManager()->Hold(this), heldChild);
return true;
}
bool RepositionChild(Layer* aChild, Layer* aAfter) override {
if (!ClientManager()->InConstruction()) {
NS_ERROR("Can only set properties in construction phase");
return false;
}
if (!ContainerLayer::RepositionChild(aChild, aAfter)) {
return false;
}
ClientManager()->AsShadowForwarder()->RepositionChild(
ClientManager()->Hold(this), ClientManager()->Hold(aChild),
aAfter ? ClientManager()->Hold(aAfter) : nullptr);
return true;
}
Layer* AsLayer() override { return this; }
ShadowableLayer* AsShadowableLayer() override { return this; }
void ComputeEffectiveTransforms(
const gfx::Matrix4x4& aTransformToSurface) override {
DefaultComputeEffectiveTransforms(aTransformToSurface);
}
void ForceIntermediateSurface() { mUseIntermediateSurface = true; }
void SetSupportsComponentAlphaChildren(bool aSupports) {
mSupportsComponentAlphaChildren = aSupports;
}
protected:
ClientLayerManager* ClientManager() {
return static_cast<ClientLayerManager*>(mManager);
}
};
class ClientRefLayer : public RefLayer, public ClientLayer {
public:
explicit ClientRefLayer(ClientLayerManager* aManager)
: RefLayer(aManager, static_cast<ClientLayer*>(this)) {
MOZ_COUNT_CTOR(ClientRefLayer);
}
protected:
MOZ_COUNTED_DTOR_OVERRIDE(ClientRefLayer)
public:
Layer* AsLayer() override { return this; }
ShadowableLayer* AsShadowableLayer() override { return this; }
void RenderLayer() override { RenderMaskLayers(this); }
void ComputeEffectiveTransforms(
const gfx::Matrix4x4& aTransformToSurface) override {
DefaultComputeEffectiveTransforms(aTransformToSurface);
}
private:
ClientLayerManager* ClientManager() {
return static_cast<ClientLayerManager*>(mManager);
}
};
} // namespace layers
} // namespace mozilla
#endif
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