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Side by Side Diff: content/browser/renderer_host/input/synthetic_gesture_controller.cc

Issue 62443007: Replace old with new synthetic gesture framework. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: opt_mouse_move_event_x/y -> opt_start_x/y Created 7 years, 1 month ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 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 "content/browser/renderer_host/input/synthetic_gesture_controller_new.h " 5 #include "content/browser/renderer_host/input/synthetic_gesture_controller.h"
6 6
7 #include "base/debug/trace_event.h" 7 #include "base/debug/trace_event.h"
8 #include "content/browser/renderer_host/input/synthetic_gesture_target.h" 8 #include "content/browser/renderer_host/input/synthetic_gesture_target.h"
9 #include "content/common/input/synthetic_smooth_scroll_gesture_params.h" 9 #include "content/common/input/synthetic_smooth_scroll_gesture_params.h"
10 #include "content/common/input_messages.h" 10 #include "content/common/input_messages.h"
11 #include "content/public/browser/render_widget_host.h" 11 #include "content/public/browser/render_widget_host.h"
12 12
13 namespace content { 13 namespace content {
14 14
15 SyntheticGestureControllerNew::SyntheticGestureControllerNew( 15 SyntheticGestureController::SyntheticGestureController(
16 scoped_ptr<SyntheticGestureTarget> gesture_target) 16 scoped_ptr<SyntheticGestureTarget> gesture_target)
17 : gesture_target_(gesture_target.Pass()) {} 17 : gesture_target_(gesture_target.Pass()) {}
18 18
19 SyntheticGestureControllerNew::~SyntheticGestureControllerNew() {} 19 SyntheticGestureController::~SyntheticGestureController() {}
20 20
21 void SyntheticGestureControllerNew::QueueSyntheticGesture( 21 void SyntheticGestureController::QueueSyntheticGesture(
22 scoped_ptr<SyntheticGestureNew> synthetic_gesture) { 22 scoped_ptr<SyntheticGesture> synthetic_gesture) {
23 DCHECK(synthetic_gesture); 23 DCHECK(synthetic_gesture);
24 24
25 pending_gesture_queue_.push_back(synthetic_gesture.release()); 25 pending_gesture_queue_.push_back(synthetic_gesture.release());
26 26
27 // Start forwarding input events if the queue was previously empty. 27 // Start forwarding input events if the queue was previously empty.
28 if (pending_gesture_queue_.size() == 1) 28 if (pending_gesture_queue_.size() == 1)
29 StartGesture(*pending_gesture_queue_.front()); 29 StartGesture(*pending_gesture_queue_.front());
30 } 30 }
31 31
32 void SyntheticGestureControllerNew::Flush(base::TimeTicks timestamp) { 32 void SyntheticGestureController::Flush(base::TimeTicks timestamp) {
33 if (pending_gesture_queue_.empty()) 33 if (pending_gesture_queue_.empty())
34 return; 34 return;
35 35
36 if (last_tick_time_.is_null()) { 36 if (last_tick_time_.is_null()) {
37 last_tick_time_ = timestamp; 37 last_tick_time_ = timestamp;
38 gesture_target_->SetNeedsFlush(); 38 gesture_target_->SetNeedsFlush();
39 return; 39 return;
40 } 40 }
41 41
42 base::TimeDelta interval = timestamp - last_tick_time_; 42 base::TimeDelta interval = timestamp - last_tick_time_;
43 last_tick_time_ = timestamp; 43 last_tick_time_ = timestamp;
44 SyntheticGestureNew::Result result = 44 SyntheticGesture::Result result =
45 pending_gesture_queue_.front()->ForwardInputEvents(interval, 45 pending_gesture_queue_.front()->ForwardInputEvents(interval,
46 gesture_target_.get()); 46 gesture_target_.get());
47 47
48 if (result == SyntheticGestureNew::GESTURE_RUNNING) { 48 if (result == SyntheticGesture::GESTURE_RUNNING) {
49 gesture_target_->SetNeedsFlush(); 49 gesture_target_->SetNeedsFlush();
50 return; 50 return;
51 } 51 }
52 52
53 StopGesture(*pending_gesture_queue_.front(), result); 53 StopGesture(*pending_gesture_queue_.front(), result);
54 pending_gesture_queue_.erase(pending_gesture_queue_.begin()); 54 pending_gesture_queue_.erase(pending_gesture_queue_.begin());
55 55
56 if (!pending_gesture_queue_.empty()) { 56 if (!pending_gesture_queue_.empty()) {
57 StartGesture(*pending_gesture_queue_.front()); 57 StartGesture(*pending_gesture_queue_.front());
58 } else { 58 } else {
59 // Reset last_tick_time_ so that we don't use an old value when a new 59 // Reset last_tick_time_ so that we don't use an old value when a new
60 // gestures is queued. 60 // gestures is queued.
61 last_tick_time_ = base::TimeTicks(); 61 last_tick_time_ = base::TimeTicks();
62 } 62 }
63 } 63 }
64 64
65 void SyntheticGestureControllerNew::StartGesture( 65 void SyntheticGestureController::StartGesture(const SyntheticGesture& gesture) {
66 const SyntheticGestureNew& gesture) {
67 TRACE_EVENT_ASYNC_BEGIN0("benchmark", "SyntheticGestureController::running", 66 TRACE_EVENT_ASYNC_BEGIN0("benchmark", "SyntheticGestureController::running",
68 &gesture); 67 &gesture);
69 gesture_target_->SetNeedsFlush(); 68 gesture_target_->SetNeedsFlush();
70 } 69 }
71 70
72 void SyntheticGestureControllerNew::StopGesture( 71 void SyntheticGestureController::StopGesture(
73 const SyntheticGestureNew& gesture, SyntheticGestureNew::Result result) { 72 const SyntheticGesture& gesture, SyntheticGesture::Result result) {
74 DCHECK_NE(result, SyntheticGestureNew::GESTURE_RUNNING); 73 DCHECK_NE(result, SyntheticGesture::GESTURE_RUNNING);
75 TRACE_EVENT_ASYNC_END0("benchmark", "SyntheticGestureController::running", 74 TRACE_EVENT_ASYNC_END0("benchmark", "SyntheticGestureController::running",
76 &gesture); 75 &gesture);
77 76
78 gesture_target_->OnSyntheticGestureCompleted(result); 77 gesture_target_->OnSyntheticGestureCompleted(result);
79 } 78 }
80 79
81 } // namespace content 80 } // namespace content
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