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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_INPUT_EVENT_WITH_CALLBACK_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_INPUT_EVENT_WITH_CALLBACK_H_
#include <list>
#include "third_party/blink/public/common/input/web_coalesced_input_event.h"
#include "third_party/blink/public/platform/input/input_handler_proxy.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "ui/latency/latency_info.h"
namespace blink {
namespace test {
class InputHandlerProxyEventQueueTest;
}
class PLATFORM_EXPORT EventWithCallback {
public:
struct PLATFORM_EXPORT OriginalEventWithCallback {
OriginalEventWithCallback(
std::unique_ptr<WebCoalescedInputEvent> event,
InputHandlerProxy::EventDispositionCallback callback);
~OriginalEventWithCallback();
std::unique_ptr<WebCoalescedInputEvent> event_;
InputHandlerProxy::EventDispositionCallback callback_;
};
using OriginalEventList = std::list<OriginalEventWithCallback>;
EventWithCallback(std::unique_ptr<WebCoalescedInputEvent> event,
base::TimeTicks timestamp_now,
InputHandlerProxy::EventDispositionCallback callback);
EventWithCallback(std::unique_ptr<WebCoalescedInputEvent> event,
base::TimeTicks creation_timestamp,
base::TimeTicks last_coalesced_timestamp,
std::unique_ptr<OriginalEventList> original_events);
~EventWithCallback();
bool CanCoalesceWith(const EventWithCallback& other) const WARN_UNUSED_RESULT;
void CoalesceWith(EventWithCallback* other, base::TimeTicks timestamp_now);
void RunCallbacks(InputHandlerProxy::EventDisposition,
const ui::LatencyInfo& latency,
std::unique_ptr<InputHandlerProxy::DidOverscrollParams>,
const WebInputEventAttribution&);
const WebInputEvent& event() const { return event_->Event(); }
WebInputEvent* event_pointer() { return event_->EventPointer(); }
const ui::LatencyInfo& latency_info() const { return event_->latency_info(); }
ui::LatencyInfo& latency_info() { return event_->latency_info(); }
base::TimeTicks creation_timestamp() const { return creation_timestamp_; }
base::TimeTicks last_coalesced_timestamp() const {
return last_coalesced_timestamp_;
}
void set_coalesced_scroll_and_pinch() { coalesced_scroll_and_pinch_ = true; }
bool coalesced_scroll_and_pinch() const {
return coalesced_scroll_and_pinch_;
}
size_t coalesced_count() const { return original_events_.size(); }
OriginalEventList& original_events() { return original_events_; }
// |first_original_event()| is used as ID for tracing.
WebInputEvent* first_original_event() {
return original_events_.empty()
? nullptr
: original_events_.front().event_->EventPointer();
}
void SetScrollbarManipulationHandledOnCompositorThread();
private:
friend class test::InputHandlerProxyEventQueueTest;
void SetTickClockForTesting(std::unique_ptr<base::TickClock> tick_clock);
std::unique_ptr<WebCoalescedInputEvent> event_;
OriginalEventList original_events_;
bool coalesced_scroll_and_pinch_ = false;
base::TimeTicks creation_timestamp_;
base::TimeTicks last_coalesced_timestamp_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WIDGET_INPUT_EVENT_WITH_CALLBACK_H_
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