зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
2.6 KiB
C++
69 строки
2.6 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
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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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#include "AndroidContentController.h"
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#include "AndroidBridge.h"
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#include "base/message_loop.h"
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#include "mozilla/layers/APZCCallbackHelper.h"
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#include "mozilla/layers/IAPZCTreeManager.h"
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#include "nsIObserverService.h"
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#include "nsLayoutUtils.h"
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#include "nsWindow.h"
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using mozilla::layers::IAPZCTreeManager;
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namespace mozilla {
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namespace widget {
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void AndroidContentController::Destroy() {
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mAndroidWindow = nullptr;
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ChromeProcessController::Destroy();
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}
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void AndroidContentController::UpdateOverscrollVelocity(
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const ScrollableLayerGuid& aGuid, const float aX, const float aY,
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const bool aIsRootContent) {
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if (aIsRootContent && mAndroidWindow) {
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mAndroidWindow->UpdateOverscrollVelocity(aX, aY);
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}
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}
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void AndroidContentController::UpdateOverscrollOffset(
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const ScrollableLayerGuid& aGuid, const float aX, const float aY,
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const bool aIsRootContent) {
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if (aIsRootContent && mAndroidWindow) {
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mAndroidWindow->UpdateOverscrollOffset(aX, aY);
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}
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}
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void AndroidContentController::NotifyAPZStateChange(
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const ScrollableLayerGuid& aGuid, APZStateChange aChange, int aArg) {
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// This function may get invoked twice, if the first invocation is not on
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// the main thread then the ChromeProcessController version of this function
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// will redispatch to the main thread. We want to make sure that our handling
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// only happens on the main thread.
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ChromeProcessController::NotifyAPZStateChange(aGuid, aChange, aArg);
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if (NS_IsMainThread()) {
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nsCOMPtr<nsIObserverService> observerService =
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mozilla::services::GetObserverService();
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if (aChange ==
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layers::GeckoContentController::APZStateChange::eTransformEnd) {
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// This is used by tests to determine when the APZ is done doing whatever
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// it's doing. XXX generify this as needed when writing additional tests.
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observerService->NotifyObservers(nullptr, "APZ:TransformEnd", nullptr);
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observerService->NotifyObservers(nullptr, "PanZoom:StateChange",
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u"NOTHING");
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} else if (aChange == layers::GeckoContentController::APZStateChange::
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eTransformBegin) {
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observerService->NotifyObservers(nullptr, "PanZoom:StateChange",
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u"PANNING");
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}
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}
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}
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} // namespace widget
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} // namespace mozilla
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