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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=2 et 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/. */
#include "CocoaCompositorWidget.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/layers/NativeLayer.h"
#include "mozilla/layers/NativeLayerRootRemoteMacChild.h"
#include "mozilla/widget/PlatformWidgetTypes.h"
#include "nsIWidget.h"
namespace mozilla {
namespace widget {
CocoaCompositorWidget::CocoaCompositorWidget(
const layers::CompositorOptions& aOptions)
: CompositorWidget(aOptions) {}
CocoaCompositorWidget::~CocoaCompositorWidget() {}
void CocoaCompositorWidget::Init(CompositorWidgetInitData&& aInitData) {
MOZ_ASSERT(XRE_IsGPUProcess());
// This method is only intended to be called from the GPU process,
// which is why it uses move semantics for aInitData. Main process
// compositor widgets (subclasses like InProcessCocoaCompositorWidget)
// should instead do necessary initialization in their constructors.
CocoaCompositorWidgetInitData cocoaInitData(
std::move((aInitData).get_CocoaCompositorWidgetInitData()));
mClientSize = cocoaInitData.clientSize();
mChildEndpoint = std::move(cocoaInitData.childEndpoint());
}
mozilla::layers::NativeLayerRoot* CocoaCompositorWidget::GetNativeLayerRoot() {
if (!mNativeLayerRoot) {
CreateNativeLayerRoot();
MOZ_ASSERT(mNativeLayerRoot);
}
return mNativeLayerRoot;
}
LayoutDeviceIntSize CocoaCompositorWidget::GetClientSize() {
return mClientSize;
}
void CocoaCompositorWidget::NotifyClientSizeChanged(
const LayoutDeviceIntSize& aClientSize) {
mClientSize =
LayoutDeviceIntSize(std::min(aClientSize.width, MOZ_WIDGET_MAX_SIZE),
std::min(aClientSize.height, MOZ_WIDGET_MAX_SIZE));
}
void CocoaCompositorWidget::CreateNativeLayerRoot() {
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(XRE_IsGPUProcess());
// Create a NativeLayerRootRemoteMacChild and bind it to the endpoint
// that was passed to us in Init().
auto root = MakeRefPtr<layers::NativeLayerRootRemoteMacChild>();
auto remoteChild = root->GetRemoteChild();
MOZ_ALWAYS_TRUE(mChildEndpoint.Bind(remoteChild));
mNativeLayerRoot = std::move(root);
}
} // namespace widget
} // namespace mozilla
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