content/common/input/web_input_event_traits.cc - Issue 997283002: Coalesce async touch move events until the ack back from render

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Unified Diff: content/common/input/web_input_event_traits.cc

Issue 997283002: Coalesce async touch move events until the ack back from render (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Add an ack type for async touch move Created 5 years, 9 months ago

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« content/browser/renderer_host/input/touch_event_queue.cc ('K') | « content/browser/renderer_host/input/touch_event_queue.cc ('k') | content/common/input_messages.h » ('j') | no next file with comments »
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Index: content/common/input/web_input_event_traits.cc

diff --git a/content/common/input/web_input_event_traits.cc b/content/common/input/web_input_event_traits.cc

index 6ca962b5720d9741d2b6bc4d4d251f7e9a86b9ec..337a3620e67d6f42cc51b7e898ffee9e92f58a05 100644

--- a/content/common/input/web_input_event_traits.cc

+++ b/content/common/input/web_input_event_traits.cc

@@ -461,6 +461,8 @@ void WebInputEventTraits::Coalesce(const WebInputEvent& event_to_coalesce,

Apply(WebInputEventCoalesce(), event->type, event_to_coalesce, event);

}

+// For touchmove events, we always need an ACK back from render, and for async

+// touch move, we will also send a fake ACK.

bool WebInputEventTraits::IgnoresAckDisposition(const WebInputEvent& event) {

switch (event.type) {

case WebInputEvent::MouseDown:

@@ -479,7 +481,6 @@ bool WebInputEventTraits::IgnoresAckDisposition(const WebInputEvent& event) {

case WebInputEvent::TouchCancel:

return true;

case WebInputEvent::TouchStart:

- case WebInputEvent::TouchMove:

case WebInputEvent::TouchEnd:

return !static_cast<const WebTouchEvent&>(event).cancelable;

default: