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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/. */
#include "mozilla/layers/APZCTreeManagerParent.h"
#include "apz/src/APZCTreeManager.h"
#include "mozilla/layers/APZThreadUtils.h"
#include "mozilla/layers/APZUpdater.h"
#include "mozilla/layers/CompositorBridgeParent.h"
#include "mozilla/layers/CompositorThread.h"
#include "nsThreadUtils.h"
namespace mozilla {
namespace layers {
APZCTreeManagerParent::APZCTreeManagerParent(
LayersId aLayersId, RefPtr<APZCTreeManager> aAPZCTreeManager,
RefPtr<APZUpdater> aAPZUpdater)
: mLayersId(aLayersId),
mTreeManager(std::move(aAPZCTreeManager)),
mUpdater(std::move(aAPZUpdater)) {
MOZ_ASSERT(mTreeManager != nullptr);
MOZ_ASSERT(mUpdater != nullptr);
MOZ_ASSERT(mUpdater->HasTreeManager(mTreeManager));
}
APZCTreeManagerParent::~APZCTreeManagerParent() = default;
void APZCTreeManagerParent::ChildAdopted(
RefPtr<APZCTreeManager> aAPZCTreeManager, RefPtr<APZUpdater> aAPZUpdater) {
MOZ_ASSERT(aAPZCTreeManager != nullptr);
MOZ_ASSERT(aAPZUpdater != nullptr);
MOZ_ASSERT(aAPZUpdater->HasTreeManager(aAPZCTreeManager));
mTreeManager = std::move(aAPZCTreeManager);
mUpdater = std::move(aAPZUpdater);
}
mozilla::ipc::IPCResult APZCTreeManagerParent::RecvSetKeyboardMap(
const KeyboardMap& aKeyboardMap) {
mUpdater->RunOnUpdaterThread(
mLayersId, NewRunnableMethod<KeyboardMap>(
"layers::IAPZCTreeManager::SetKeyboardMap", mTreeManager,
&IAPZCTreeManager::SetKeyboardMap, aKeyboardMap));
return IPC_OK();
}
mozilla::ipc::IPCResult APZCTreeManagerParent::RecvZoomToRect(
const ScrollableLayerGuid& aGuid, const ZoomTarget& aZoomTarget,
const uint32_t& aFlags) {
if (!IsGuidValid(aGuid)) {
return IPC_FAIL_NO_REASON(this);
}
mUpdater->RunOnUpdaterThread(
aGuid.mLayersId,
NewRunnableMethod<ScrollableLayerGuid, ZoomTarget, uint32_t>(
"layers::IAPZCTreeManager::ZoomToRect", mTreeManager,
&IAPZCTreeManager::ZoomToRect, aGuid, aZoomTarget, aFlags));
return IPC_OK();
}
mozilla::ipc::IPCResult APZCTreeManagerParent::RecvContentReceivedInputBlock(
const uint64_t& aInputBlockId, const bool& aPreventDefault) {
mUpdater->RunOnUpdaterThread(
mLayersId, NewRunnableMethod<uint64_t, bool>(
"layers::IAPZCTreeManager::ContentReceivedInputBlock",
mTreeManager, &IAPZCTreeManager::ContentReceivedInputBlock,
aInputBlockId, aPreventDefault));
return IPC_OK();
}
mozilla::ipc::IPCResult APZCTreeManagerParent::RecvSetTargetAPZC(
const uint64_t& aInputBlockId, nsTArray<ScrollableLayerGuid>&& aTargets) {
mUpdater->RunOnUpdaterThread(
mLayersId,
NewRunnableMethod<uint64_t,
StoreCopyPassByRRef<nsTArray<ScrollableLayerGuid>>>(
"layers::IAPZCTreeManager::SetTargetAPZC", mTreeManager,
&IAPZCTreeManager::SetTargetAPZC, aInputBlockId,
std::move(aTargets)));
return IPC_OK();
}
mozilla::ipc::IPCResult APZCTreeManagerParent::RecvUpdateZoomConstraints(
const ScrollableLayerGuid& aGuid,
const Maybe<ZoomConstraints>& aConstraints) {
if (!IsGuidValid(aGuid)) {
return IPC_FAIL_NO_REASON(this);
}
mTreeManager->UpdateZoomConstraints(aGuid, aConstraints);
return IPC_OK();
}
mozilla::ipc::IPCResult APZCTreeManagerParent::RecvSetDPI(
const float& aDpiValue) {
mUpdater->RunOnUpdaterThread(
mLayersId,
NewRunnableMethod<float>("layers::IAPZCTreeManager::SetDPI", mTreeManager,
&IAPZCTreeManager::SetDPI, aDpiValue));
return IPC_OK();
}
mozilla::ipc::IPCResult APZCTreeManagerParent::RecvSetAllowedTouchBehavior(
const uint64_t& aInputBlockId, nsTArray<TouchBehaviorFlags>&& aValues) {
mUpdater->RunOnUpdaterThread(
mLayersId,
NewRunnableMethod<uint64_t,
StoreCopyPassByRRef<nsTArray<TouchBehaviorFlags>>>(
"layers::IAPZCTreeManager::SetAllowedTouchBehavior", mTreeManager,
&IAPZCTreeManager::SetAllowedTouchBehavior, aInputBlockId,
std::move(aValues)));
return IPC_OK();
}
mozilla::ipc::IPCResult APZCTreeManagerParent::RecvStartScrollbarDrag(
const ScrollableLayerGuid& aGuid, const AsyncDragMetrics& aDragMetrics) {
if (!IsGuidValid(aGuid)) {
return IPC_FAIL_NO_REASON(this);
}
mUpdater->RunOnUpdaterThread(
aGuid.mLayersId,
NewRunnableMethod<ScrollableLayerGuid, AsyncDragMetrics>(
"layers::IAPZCTreeManager::StartScrollbarDrag", mTreeManager,
&IAPZCTreeManager::StartScrollbarDrag, aGuid, aDragMetrics));
return IPC_OK();
}
mozilla::ipc::IPCResult APZCTreeManagerParent::RecvStartAutoscroll(
const ScrollableLayerGuid& aGuid, const ScreenPoint& aAnchorLocation) {
// Unlike RecvStartScrollbarDrag(), this message comes from the parent
// process (via nsBaseWidget::mAPZC) rather than from the child process
// (via BrowserChild::mApzcTreeManager), so there is no need to check the
// layers id against mLayersId (and in any case, it wouldn't match, because
// mLayersId stores the parent process's layers id, while nsBaseWidget is
// sending the child process's layers id).
mUpdater->RunOnControllerThread(
mLayersId,
NewRunnableMethod<ScrollableLayerGuid, ScreenPoint>(
"layers::IAPZCTreeManager::StartAutoscroll", mTreeManager,
&IAPZCTreeManager::StartAutoscroll, aGuid, aAnchorLocation));
return IPC_OK();
}
mozilla::ipc::IPCResult APZCTreeManagerParent::RecvStopAutoscroll(
const ScrollableLayerGuid& aGuid) {
// See RecvStartAutoscroll() for why we don't check the layers id.
mUpdater->RunOnControllerThread(
mLayersId, NewRunnableMethod<ScrollableLayerGuid>(
"layers::IAPZCTreeManager::StopAutoscroll", mTreeManager,
&IAPZCTreeManager::StopAutoscroll, aGuid));
return IPC_OK();
}
mozilla::ipc::IPCResult APZCTreeManagerParent::RecvSetLongTapEnabled(
const bool& aLongTapEnabled) {
mUpdater->RunOnUpdaterThread(
mLayersId,
NewRunnableMethod<bool>(
"layers::IAPZCTreeManager::SetLongTapEnabled", mTreeManager,
&IAPZCTreeManager::SetLongTapEnabled, aLongTapEnabled));
return IPC_OK();
}
bool APZCTreeManagerParent::IsGuidValid(const ScrollableLayerGuid& aGuid) {
if (aGuid.mLayersId != mLayersId) {
NS_ERROR("Unexpected layers id");
return false;
}
return true;
}
} // namespace layers
} // namespace mozilla