forked from mirrors/gecko-dev
3e22d70394
Non-scrollable elements are immediately activated on touch-start, so it is not necessary to delay firing the synthesized mouse and click events. Differential Revision: https://phabricator.services.mozilla.com/D169727
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_layers_APZChild_h
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#define mozilla_layers_APZChild_h
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#include "mozilla/layers/PAPZChild.h"
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#include "mozilla/layers/APZTaskRunnable.h"
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namespace mozilla {
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namespace layers {
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class GeckoContentController;
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/**
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* APZChild implements PAPZChild and is used to remote a GeckoContentController
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* that lives in a different process than where APZ lives.
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*/
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class APZChild final : public PAPZChild {
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public:
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using APZStateChange = GeckoContentController_APZStateChange;
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explicit APZChild(RefPtr<GeckoContentController> aController);
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virtual ~APZChild();
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mozilla::ipc::IPCResult RecvLayerTransforms(
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nsTArray<MatrixMessage>&& aTransforms);
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mozilla::ipc::IPCResult RecvRequestContentRepaint(
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const RepaintRequest& aRequest);
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mozilla::ipc::IPCResult RecvUpdateOverscrollVelocity(
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const ScrollableLayerGuid& aGuid, const float& aX, const float& aY,
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const bool& aIsRootContent);
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mozilla::ipc::IPCResult RecvUpdateOverscrollOffset(
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const ScrollableLayerGuid& aGuid, const float& aX, const float& aY,
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const bool& aIsRootContent);
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mozilla::ipc::IPCResult RecvNotifyMozMouseScrollEvent(const ViewID& aScrollId,
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const nsString& aEvent);
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mozilla::ipc::IPCResult RecvNotifyAPZStateChange(
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const ScrollableLayerGuid& aGuid, const APZStateChange& aChange,
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const int& aArg, Maybe<uint64_t> aInputBlockId);
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mozilla::ipc::IPCResult RecvNotifyFlushComplete();
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mozilla::ipc::IPCResult RecvNotifyAsyncScrollbarDragInitiated(
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const uint64_t& aDragBlockId, const ViewID& aScrollId,
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const ScrollDirection& aDirection);
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mozilla::ipc::IPCResult RecvNotifyAsyncScrollbarDragRejected(
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const ViewID& aScrollId);
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mozilla::ipc::IPCResult RecvNotifyAsyncAutoscrollRejected(
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const ViewID& aScrollId);
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mozilla::ipc::IPCResult RecvDestroy();
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private:
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void EnsureAPZTaskRunnable() {
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if (!mAPZTaskRunnable) {
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mAPZTaskRunnable = new APZTaskRunnable(mController);
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}
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}
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RefPtr<GeckoContentController> mController;
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// A runnable invoked in a nsRefreshDriver's tick to update multiple
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// RepaintRequests and notify a "apz-repaints-flushed" at the same time.
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RefPtr<APZTaskRunnable> mAPZTaskRunnable;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // mozilla_layers_APZChild_h
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