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Side by Side Diff: ash/wm/common/workspace/two_step_edge_cycler.cc

Issue 1933303002: Moves windowsresizers to ash/wm/common (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: WorkspaceWindowResizer Created 4 years, 7 months 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 "ash/wm/workspace/two_step_edge_cycler.h" 5 #include "ash/wm/common/workspace/two_step_edge_cycler.h"
6 6
7 #include <cstdlib> 7 #include <cstdlib>
8 8
9 namespace ash { 9 namespace ash {
10 namespace { 10 namespace {
11 11
12 // We cycle to the second mode if any of the following happens while the mouse 12 // We cycle to the second mode if any of the following happens while the mouse
13 // is on the edge of the workspace: 13 // is on the edge of the workspace:
14 // . The user stops moving the mouse for |kMaxDelay| and then moves the mouse 14 // . The user stops moving the mouse for |kMaxDelay| and then moves the mouse
15 // again in the preferred direction from the last paused location for at least 15 // again in the preferred direction from the last paused location for at least
16 // |kMaxPixelsAfterPause| horizontal pixels. 16 // |kMaxPixelsAfterPause| horizontal pixels.
17 // . The mouse moves |kMaxPixels| horizontal pixels in the preferred direction. 17 // . The mouse moves |kMaxPixels| horizontal pixels in the preferred direction.
18 // . The mouse is moved |kMaxMoves| times since the last pause. 18 // . The mouse is moved |kMaxMoves| times since the last pause.
19 const int kMaxDelay = 400; 19 const int kMaxDelay = 400;
20 const int kMaxPixels = 100; 20 const int kMaxPixels = 100;
21 const int kMaxPixelsAfterPause = 10; 21 const int kMaxPixelsAfterPause = 10;
22 const int kMaxMoves = 25; 22 const int kMaxMoves = 25;
23 23
24 } // namespace 24 } // namespace
25 25
26 TwoStepEdgeCycler::TwoStepEdgeCycler(const gfx::Point& start, 26 TwoStepEdgeCycler::TwoStepEdgeCycler(const gfx::Point& start,
27 TwoStepEdgeCycler::Direction direction) 27 TwoStepEdgeCycler::Direction direction)
28 : second_mode_(false), 28 : second_mode_(false),
29 time_last_move_(base::TimeTicks::Now()), 29 time_last_move_(base::TimeTicks::Now()),
30 num_moves_(0), 30 num_moves_(0),
31 start_x_(start.x()), 31 start_x_(start.x()),
32 paused_x_(start.x()), 32 paused_x_(start.x()),
33 paused_(false), 33 paused_(false),
34 direction_(direction) { 34 direction_(direction) {}
35 }
36 35
37 TwoStepEdgeCycler::~TwoStepEdgeCycler() { 36 TwoStepEdgeCycler::~TwoStepEdgeCycler() {}
38 }
39 37
40 void TwoStepEdgeCycler::OnMove(const gfx::Point& location) { 38 void TwoStepEdgeCycler::OnMove(const gfx::Point& location) {
41 if (second_mode_) 39 if (second_mode_)
42 return; 40 return;
43 41
44 if ((base::TimeTicks::Now() - time_last_move_).InMilliseconds() > kMaxDelay) { 42 if ((base::TimeTicks::Now() - time_last_move_).InMilliseconds() > kMaxDelay) {
45 paused_ = true; 43 paused_ = true;
46 paused_x_ = location.x(); 44 paused_x_ = location.x();
47 num_moves_ = 0; 45 num_moves_ = 0;
48 } 46 }
49 time_last_move_ = base::TimeTicks::Now(); 47 time_last_move_ = base::TimeTicks::Now();
50 48
51 int compare_x = paused_ ? paused_x_ : start_x_; 49 int compare_x = paused_ ? paused_x_ : start_x_;
52 if (location.x() != compare_x && 50 if (location.x() != compare_x &&
53 (location.x() < compare_x) != (direction_ == DIRECTION_LEFT)) { 51 (location.x() < compare_x) != (direction_ == DIRECTION_LEFT)) {
54 return; 52 return;
55 } 53 }
56 54
57 ++num_moves_; 55 ++num_moves_;
58 bool moved_in_the_same_direction_after_pause = 56 bool moved_in_the_same_direction_after_pause =
59 paused_ && std::abs(location.x() - paused_x_) >= kMaxPixelsAfterPause; 57 paused_ && std::abs(location.x() - paused_x_) >= kMaxPixelsAfterPause;
60 second_mode_ = moved_in_the_same_direction_after_pause || 58 second_mode_ = moved_in_the_same_direction_after_pause ||
61 std::abs(location.x() - start_x_) >= kMaxPixels || 59 std::abs(location.x() - start_x_) >= kMaxPixels ||
62 num_moves_ >= kMaxMoves; 60 num_moves_ >= kMaxMoves;
63 } 61 }
64 62
65 } // namespace ash 63 } // namespace ash
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