96 lines
3.6 KiB
C++
96 lines
3.6 KiB
C++
/* -*- Mode: c++; c-basic-offset: 4; 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/APZCTreeManager.h"
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#include "nsLayoutUtils.h"
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#include "nsWindow.h"
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using mozilla::layers::APZCTreeManager;
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namespace mozilla {
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namespace widget {
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namespace android {
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NativePanZoomController::GlobalRef AndroidContentController::sNativePanZoomController = nullptr;
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NativePanZoomController::LocalRef
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AndroidContentController::SetNativePanZoomController(NativePanZoomController::Param obj)
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{
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NativePanZoomController::LocalRef old = sNativePanZoomController;
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sNativePanZoomController = obj;
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return old;
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}
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void
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AndroidContentController::NotifyDefaultPrevented(uint64_t aInputBlockId,
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bool aDefaultPrevented)
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{
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if (!AndroidBridge::IsJavaUiThread()) {
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// The notification must reach the APZ on the Java UI thread (aka the
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// APZ "controller" thread) but we get it from the Gecko thread, so we
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// have to throw it onto the other thread.
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AndroidBridge::Bridge()->PostTaskToUiThread(NewRunnableFunction(
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&AndroidContentController::NotifyDefaultPrevented,
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aInputBlockId, aDefaultPrevented), 0);
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return;
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}
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MOZ_ASSERT(AndroidBridge::IsJavaUiThread());
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APZCTreeManager* controller = nsWindow::GetAPZCTreeManager();
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if (controller) {
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controller->ContentReceivedInputBlock(aInputBlockId, aDefaultPrevented);
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}
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}
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void
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AndroidContentController::HandleSingleTap(const CSSPoint& aPoint,
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Modifiers aModifiers,
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const ScrollableLayerGuid& aGuid)
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{
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// This function will get invoked first on the Java UI thread, and then
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// again on the main thread (because of the code in ChromeProcessController::
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// HandleSingleTap). We want to post the SingleTap message once; it can be
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// done from either thread but we need access to the callback transform
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// so we do it from the main thread.
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if (NS_IsMainThread()) {
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CSSPoint point = mozilla::layers::APZCCallbackHelper::ApplyCallbackTransform(aPoint, aGuid);
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nsIContent* content = nsLayoutUtils::FindContentFor(aGuid.mScrollId);
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nsIPresShell* shell = content
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? mozilla::layers::APZCCallbackHelper::GetRootContentDocumentPresShellForContent(content)
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: nullptr;
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if (shell && shell->ScaleToResolution()) {
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// We need to convert from the root document to the root content document,
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// by unapplying the resolution that's on the content document.
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const float resolution = shell->GetResolution();
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point.x /= resolution;
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point.y /= resolution;
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}
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CSSIntPoint rounded = RoundedToInt(point);
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nsCString data = nsPrintfCString("{ \"x\": %d, \"y\": %d }", rounded.x, rounded.y);
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nsAppShell::gAppShell->PostEvent(AndroidGeckoEvent::MakeBroadcastEvent(
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NS_LITERAL_CSTRING("Gesture:SingleTap"), data));
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}
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ChromeProcessController::HandleSingleTap(aPoint, aModifiers, aGuid);
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}
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void
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AndroidContentController::PostDelayedTask(Task* aTask, int aDelayMs)
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{
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AndroidBridge::Bridge()->PostTaskToUiThread(aTask, aDelayMs);
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}
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} // namespace android
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} // namespace widget
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} // namespace mozilla
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