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Side by Side Diff: cc/input/scrollbar_animation_controller.cc

Issue 2453553003: Disable overlay scrollbars in Blink when hidden by the compositor. (Closed)
Patch Set: Created 4 years, 1 month ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "cc/input/scrollbar_animation_controller.h" 5 #include "cc/input/scrollbar_animation_controller.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 8
9 #include "base/time/time.h" 9 #include "base/time/time.h"
10 #include "cc/trees/layer_tree_impl.h" 10 #include "cc/trees/layer_tree_impl.h"
11 11
12 namespace cc { 12 namespace cc {
13 13
14 ScrollbarAnimationController::ScrollbarAnimationController( 14 ScrollbarAnimationController::ScrollbarAnimationController(
15 int scroll_layer_id, 15 int scroll_layer_id,
16 ScrollbarAnimationControllerClient* client, 16 ScrollbarAnimationControllerClient* client,
17 base::TimeDelta delay_before_starting, 17 base::TimeDelta delay_before_starting,
18 base::TimeDelta resize_delay_before_starting) 18 base::TimeDelta resize_delay_before_starting)
19 : client_(client), 19 : client_(client),
20 scroll_layer_id_(scroll_layer_id),
20 delay_before_starting_(delay_before_starting), 21 delay_before_starting_(delay_before_starting),
21 resize_delay_before_starting_(resize_delay_before_starting), 22 resize_delay_before_starting_(resize_delay_before_starting),
22 is_animating_(false), 23 is_animating_(false),
23 scroll_layer_id_(scroll_layer_id),
24 currently_scrolling_(false), 24 currently_scrolling_(false),
25 scroll_gesture_has_scrolled_(false), 25 scroll_gesture_has_scrolled_(false),
26 weak_factory_(this) {} 26 weak_factory_(this) {}
27 27
28 ScrollbarAnimationController::~ScrollbarAnimationController() {} 28 ScrollbarAnimationController::~ScrollbarAnimationController() {}
29 29
30 bool ScrollbarAnimationController::Animate(base::TimeTicks now) { 30 bool ScrollbarAnimationController::Animate(base::TimeTicks now) {
31 if (!is_animating_) 31 if (!is_animating_)
32 return false; 32 return false;
33 33
(...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after
93 void ScrollbarAnimationController::StopAnimation() { 93 void ScrollbarAnimationController::StopAnimation() {
94 delayed_scrollbar_fade_.Cancel(); 94 delayed_scrollbar_fade_.Cancel();
95 is_animating_ = false; 95 is_animating_ = false;
96 } 96 }
97 97
98 ScrollbarSet ScrollbarAnimationController::Scrollbars() const { 98 ScrollbarSet ScrollbarAnimationController::Scrollbars() const {
99 return client_->ScrollbarsFor(scroll_layer_id_); 99 return client_->ScrollbarsFor(scroll_layer_id_);
100 } 100 }
101 101
102 } // namespace cc 102 } // namespace cc
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