зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1774537 - Call SetState with WEEL_SCROLL or KEYBOARD_SCROLL in the case of instant scoll. r=botond
It will ensure an APZ:TransformEnd notification. Differential Revision: https://phabricator.services.mozilla.com/D149495
This commit is contained in:
Hiroyuki Ikezoe
Родитель
d152ee99bf
Коммит
52a1e4ddb2
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@ -2006,6 +2006,12 @@ nsEventStatus AsyncPanZoomController::OnKeyboard(const KeyboardInput& aEvent) {
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distance, ScrollSource::Keyboard);
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CallDispatchScroll(startPoint, endPoint, handoffState);
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ParentLayerPoint remainingDelta = endPoint - startPoint;
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if (remainingDelta != delta) {
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// If any scrolling happened, set KEYBOARD_SCROLL explicitly so that it
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// will trigger a TransformEnd notification.
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SetState(KEYBOARD_SCROLL);
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}
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SetState(NOTHING);
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@ -2426,7 +2432,14 @@ nsEventStatus AsyncPanZoomController::OnScrollWheel(
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ParentLayerPoint startPoint = aEvent.mLocalOrigin;
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ParentLayerPoint endPoint = aEvent.mLocalOrigin - delta;
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RecordScrollPayload(aEvent.mTimeStamp);
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CallDispatchScroll(startPoint, endPoint, handoffState);
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ParentLayerPoint remainingDelta = endPoint - startPoint;
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if (remainingDelta != delta) {
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// If any scrolling happened, set KEYBOARD_SCROLL explicitly so that it
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// will trigger a TransformEnd notification.
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SetState(WHEEL_SCROLL);
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}
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SetState(NOTHING);
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@ -77,6 +77,18 @@ function nativeArrowDownKey() {
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);
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}
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function nativeArrowUpKey() {
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switch (getPlatform()) {
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case "windows":
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return WIN_VK_UP;
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case "mac":
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return MAC_VK_UpArrow;
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}
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throw new Error(
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"Native key events not supported on platform " + getPlatform()
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);
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}
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// Given an event target which may be a window or an element, get the associated window.
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function windowForTarget(aTarget) {
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if (aTarget.Window && aTarget instanceof aTarget.Window) {
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@ -0,0 +1,48 @@
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<!DOCTYPE html>
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<html>
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<meta charset="utf-8">
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<script src="apz_test_utils.js"></script>
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<script src="apz_test_native_event_utils.js"></script>
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<script src="/tests/SimpleTest/EventUtils.js"></script>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script src="/tests/SimpleTest/NativeKeyCodes.js"></script>
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<script src="/tests/SimpleTest/paint_listener.js"></script>
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<style>
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html, body { margin: 0; }
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body {
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height: 10000px;
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}
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</style>
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<script>
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async function test() {
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// Send a native key event which doesn't cause any scroll, so that now
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// subsequent native key events will be able to be handled by APZ. See bug
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// 1774519 about what happens without this event.
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const UpArrowKeyCode = nativeArrowUpKey();
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await new Promise(resolve => {
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synthesizeNativeKey(KEYBOARD_LAYOUT_EN_US,
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UpArrowKeyCode, {} /* no modifier */,
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"", "", resolve); });
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const transformEndPromise = promiseTransformEnd();
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const DownArrowKeyCode = nativeArrowDownKey();
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await new Promise(resolve => {
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synthesizeNativeKey(KEYBOARD_LAYOUT_EN_US,
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DownArrowKeyCode, {} /* no modifier */,
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"", "", resolve); });
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await transformEndPromise;
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ok(true, "Got an APZ:TransformEnd ");
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}
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if (getPlatform() == "mac" || getPlatform() == "windows") {
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waitUntilApzStable()
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.then(test)
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.then(subtestDone, subtestFailed);
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} else {
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ok(true, "Skipping test because native key events are not supported on " +
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getPlatform());
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subtestDone();
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}
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</script>
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@ -0,0 +1,28 @@
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<!DOCTYPE html>
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<html>
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<meta charset="utf-8">
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<script src="apz_test_utils.js"></script>
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<script src="apz_test_native_event_utils.js"></script>
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<script src="/tests/SimpleTest/EventUtils.js"></script>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script src="/tests/SimpleTest/paint_listener.js"></script>
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<style>
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html, body { margin: 0; }
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body {
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height: 10000px;
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}
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</style>
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<script>
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async function test() {
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let transformEndPromise = promiseTransformEnd();
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await promiseMoveMouseAndScrollWheelOver(document.documentElement, 100, 100);
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await transformEndPromise;
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ok(true, "Got an APZ:TransformEnd ");
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}
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waitUntilApzStable()
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.then(test)
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.then(subtestDone, subtestFailed);
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</script>
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@ -38,6 +38,8 @@ var subtests = [
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{"file": "helper_scroll_snap_on_page_down_scroll.html"},
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{"file": "helper_scroll_snap_on_page_down_scroll.html",
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prefs: [["test.events.async.enabled", true]]},
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{"file": "helper_transform_end_on_keyboard_scroll.html",
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prefs: [["general.smoothScroll", false]] },
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];
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if (isKeyApzEnabled()) {
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@ -58,6 +58,8 @@ var subtests = [
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{"file": "helper_relative_scroll_smoothness.html?input-type=wheel&scroll-method=scrollBy", prefs: smoothness_prefs },
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{"file": "helper_relative_scroll_smoothness.html?input-type=wheel&scroll-method=scrollTo", prefs: smoothness_prefs },
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{"file": "helper_relative_scroll_smoothness.html?input-type=wheel&scroll-method=scrollTop", prefs: smoothness_prefs },
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{"file": "helper_transform_end_on_wheel_scroll.html",
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prefs: [["general.smoothScroll", false]] },
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];
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// Only Windows has the test api implemented for this test.
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