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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/layers/client/ClientContainerLayer.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/gfx/layers/client/ClientContainerLayer.h b/gfx/layers/client/ClientContainerLayer.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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()
+ {
+ while (mFirstChild) {
+ ContainerLayer::RemoveChild(mFirstChild);
+ }
+
+ MOZ_COUNT_DTOR(ClientContainerLayer);
+ }
+
+public:
+ virtual void RenderLayer() override
+ {
+ RenderMaskLayers(this);
+
+ DefaultComputeSupportsComponentAlphaChildren();
+
+ AutoTArray<Layer*, 12> children;
+ SortChildrenBy3DZOrder(children);
+
+ ReadbackProcessor readback;
+ readback.BuildUpdates(this);
+
+ 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();
+ }
+ }
+ }
+
+ virtual void SetVisibleRegion(const LayerIntRegion& aRegion) override
+ {
+ NS_ASSERTION(ClientManager()->InConstruction(),
+ "Can only set properties in construction phase");
+ ContainerLayer::SetVisibleRegion(aRegion);
+ }
+ virtual 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;
+ }
+
+ virtual 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;
+ }
+
+ virtual 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;
+ }
+
+ virtual Layer* AsLayer() override { return this; }
+ virtual ShadowableLayer* AsShadowableLayer() override { return this; }
+
+ virtual void ComputeEffectiveTransforms(const gfx::Matrix4x4& aTransformToSurface) override
+ {
+ DefaultComputeEffectiveTransforms(aTransformToSurface);
+ }
+
+ void ForceIntermediateSurface() { mUseIntermediateSurface = true; }
+
+ void SetSupportsComponentAlphaChildren(bool aSupports) { mSupportsComponentAlphaChildren = aSupports; }
+
+ virtual void Disconnect() override
+ {
+ ClientLayer::Disconnect();
+ }
+
+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:
+ virtual ~ClientRefLayer()
+ {
+ MOZ_COUNT_DTOR(ClientRefLayer);
+ }
+
+public:
+ virtual Layer* AsLayer() { return this; }
+ virtual ShadowableLayer* AsShadowableLayer() { return this; }
+
+ virtual void Disconnect()
+ {
+ ClientLayer::Disconnect();
+ }
+
+ virtual void RenderLayer() { }
+
+ virtual void ComputeEffectiveTransforms(const gfx::Matrix4x4& aTransformToSurface)
+ {
+ DefaultComputeEffectiveTransforms(aTransformToSurface);
+ }
+
+private:
+ ClientLayerManager* ClientManager()
+ {
+ return static_cast<ClientLayerManager*>(mManager);
+ }
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif