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Unified Diff: content/browser/renderer_host/input/synthetic_smooth_scroll_gesture_new.cc

Issue 62443007: Replace old with new synthetic gesture framework. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Forward declare SyntheticGestureController. Created 7 years, 1 month ago
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Index: content/browser/renderer_host/input/synthetic_smooth_scroll_gesture_new.cc
diff --git a/content/browser/renderer_host/input/synthetic_smooth_scroll_gesture_new.cc b/content/browser/renderer_host/input/synthetic_smooth_scroll_gesture_new.cc
deleted file mode 100644
index 56402942cf4825e424ca1540b11f50230b7a0e89..0000000000000000000000000000000000000000
--- a/content/browser/renderer_host/input/synthetic_smooth_scroll_gesture_new.cc
+++ /dev/null
@@ -1,110 +0,0 @@
-// Copyright 2013 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.
-
-#include "content/browser/renderer_host/input/synthetic_smooth_scroll_gesture_new.h"
-
-#include <cmath>
-
-#include "content/common/input/input_event.h"
-#include "ui/events/latency_info.h"
-
-namespace content {
-
-SyntheticSmoothScrollGestureNew::SyntheticSmoothScrollGestureNew(
- const SyntheticSmoothScrollGestureParams& params)
- : params_(params),
- current_y_(params_.anchor.y()) {}
-
-SyntheticSmoothScrollGestureNew::~SyntheticSmoothScrollGestureNew() {}
-
-SyntheticGestureNew::Result SyntheticSmoothScrollGestureNew::ForwardInputEvents(
- const base::TimeDelta& interval, SyntheticGestureTarget* target) {
-
- SyntheticGestureParams::GestureSourceType source =
- params_.gesture_source_type;
- if (source == SyntheticGestureParams::DEFAULT_INPUT)
- source = target->GetDefaultSyntheticGestureSourceType();
-
- if (!target->SupportsSyntheticGestureSourceType(source))
- return SyntheticGestureNew::GESTURE_SOURCE_TYPE_NOT_SUPPORTED_BY_PLATFORM;
-
- if (source == SyntheticGestureParams::TOUCH_INPUT)
- return ForwardTouchInputEvents(interval, target);
- else if (source == SyntheticGestureParams::MOUSE_INPUT)
- return ForwardMouseInputEvents(interval, target);
- else
- return SyntheticGestureNew::GESTURE_SOURCE_TYPE_NOT_IMPLEMENTED;
-}
-
-SyntheticGestureNew::Result
-SyntheticSmoothScrollGestureNew::ForwardTouchInputEvents(
- const base::TimeDelta& interval, SyntheticGestureTarget* target) {
- if (HasFinished())
- return SyntheticGestureNew::GESTURE_FINISHED;
-
- if (current_y_ == params_.anchor.y()) {
- touch_event_.PressPoint(params_.anchor.x(), current_y_);
- ForwardTouchEvent(target);
- }
-
- current_y_ += GetPositionDelta(interval);
- touch_event_.MovePoint(0, params_.anchor.x(), current_y_);
- ForwardTouchEvent(target);
-
- if (HasFinished()) {
- touch_event_.ReleasePoint(0);
- ForwardTouchEvent(target);
- return SyntheticGestureNew::GESTURE_FINISHED;
- }
- else {
- return SyntheticGestureNew::GESTURE_RUNNING;
- }
-}
-
-SyntheticGestureNew::Result
-SyntheticSmoothScrollGestureNew::ForwardMouseInputEvents(
- const base::TimeDelta& interval, SyntheticGestureTarget* target) {
- if (HasFinished())
- return SyntheticGestureNew::GESTURE_FINISHED;
-
- float delta = GetPositionDelta(interval);
- current_y_ += delta;
- ForwardMouseWheelEvent(target, delta);
-
- if (HasFinished())
- return SyntheticGestureNew::GESTURE_FINISHED;
- else
- return SyntheticGestureNew::GESTURE_RUNNING;
-}
-
-void SyntheticSmoothScrollGestureNew::ForwardTouchEvent(
- SyntheticGestureTarget* target) {
- target->DispatchInputEventToPlatform(
- InputEvent(touch_event_, ui::LatencyInfo(), false));
-}
-
-void SyntheticSmoothScrollGestureNew::ForwardMouseWheelEvent(
- SyntheticGestureTarget* target,
- float delta) {
- blink::WebMouseWheelEvent mouse_wheel_event =
- SyntheticWebMouseWheelEventBuilder::Build(0, delta, 0, false);
-
- target->DispatchInputEventToPlatform(
- InputEvent(mouse_wheel_event, ui::LatencyInfo(), false));
-}
-
-float SyntheticSmoothScrollGestureNew::GetPositionDelta(
- const base::TimeDelta& interval) {
- float delta = params_.speed_in_pixels_s * interval.InSecondsF();
- // A positive value indicates scrolling down, which means the touch pointer
- // moves up or the scroll wheel moves down. In either case, the delta is
- // negative when scrolling down and positive when scrolling up.
- return (params_.distance > 0) ? -delta : delta;
-}
-
-bool SyntheticSmoothScrollGestureNew::HasFinished() {
- return abs(current_y_ - params_.anchor.y()) >= abs(params_.distance);
-}
-
-} // namespace content

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