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Unified Diff: content/browser/renderer_host/basic_mouse_wheel_smooth_scroll_gesture.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/basic_mouse_wheel_smooth_scroll_gesture.cc
diff --git a/content/browser/renderer_host/basic_mouse_wheel_smooth_scroll_gesture.cc b/content/browser/renderer_host/basic_mouse_wheel_smooth_scroll_gesture.cc
deleted file mode 100644
index f43e077c153d3b9f1e6dc7ddf37cfa7b8b0aea3e..0000000000000000000000000000000000000000
--- a/content/browser/renderer_host/basic_mouse_wheel_smooth_scroll_gesture.cc
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright (c) 2012 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/basic_mouse_wheel_smooth_scroll_gesture.h"
-
-#include "base/debug/trace_event.h"
-#include "content/browser/renderer_host/render_widget_host_impl.h"
-
-namespace content {
-
-BasicMouseWheelSmoothScrollGesture::BasicMouseWheelSmoothScrollGesture(
- bool scroll_down, int pixels_to_scroll,
- int mouse_event_x, int mouse_event_y)
- : scroll_down_(scroll_down),
- pixels_scrolled_(0),
- pixels_to_scroll_(pixels_to_scroll),
- mouse_event_x_(mouse_event_x),
- mouse_event_y_(mouse_event_y) { }
-
-BasicMouseWheelSmoothScrollGesture::~BasicMouseWheelSmoothScrollGesture() { }
-
-bool BasicMouseWheelSmoothScrollGesture::ForwardInputEvents(
- base::TimeTicks now, RenderWidgetHost* host) {
-
- if (pixels_scrolled_ >= pixels_to_scroll_)
- return false;
-
- float position_delta = synthetic_gesture_calculator_.GetDelta(
- now,
- RenderWidgetHostImpl::From(host)->GetSyntheticGestureMessageInterval());
-
-
- blink::WebMouseWheelEvent event;
- event.type = blink::WebInputEvent::MouseWheel;
- event.hasPreciseScrollingDeltas = 0;
- event.deltaY = scroll_down_ ? -position_delta : position_delta;
- // TODO(vollick): find a proper way to access
- // WebCore::WheelEvent::tickMultiplier.
- event.wheelTicksY = event.deltaY / 120;
- event.modifiers = 0;
-
- // TODO(nduca): Figure out plausible x and y values.
- event.globalX = 0;
- event.globalY = 0;
- event.x = mouse_event_x_;
- event.y = mouse_event_y_;
- event.windowX = event.x;
- event.windowY = event.y;
- host->ForwardWheelEvent(event);
-
- pixels_scrolled_ += abs(event.deltaY);
-
- TRACE_COUNTER_ID1(
- "gpu", "smooth_scroll_by_pixels_scrolled", this, pixels_scrolled_);
-
- return true;
-}
-
-} // content
-

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