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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/resize_handle_window_targeter.h" | 5 #include "ash/wm/resize_handle_window_targeter.h" |
6 | 6 |
7 #include "ash/common/ash_constants.h" | 7 #include "ash/common/ash_constants.h" |
8 #include "ash/common/wm/window_state.h" | 8 #include "ash/common/wm/window_state.h" |
9 #include "ash/wm/immersive_fullscreen_controller.h" | 9 #include "ash/wm/immersive_fullscreen_controller.h" |
10 #include "ash/wm/window_state_aura.h" | 10 #include "ash/wm/window_state_aura.h" |
11 #include "ui/aura/window.h" | 11 #include "ui/aura/window.h" |
12 #include "ui/events/event.h" | 12 #include "ui/events/event.h" |
13 | 13 |
14 namespace ash { | 14 namespace ash { |
15 | 15 |
16 ResizeHandleWindowTargeter::ResizeHandleWindowTargeter( | 16 ResizeHandleWindowTargeter::ResizeHandleWindowTargeter( |
17 aura::Window* window, | 17 aura::Window* window, |
18 ImmersiveFullscreenController* controller) | 18 ImmersiveFullscreenController* controller) |
19 : window_(window), | 19 : window_(window), immersive_controller_(controller) { |
20 immersive_controller_(controller) { | |
21 wm::WindowState* window_state = wm::GetWindowState(window_); | 20 wm::WindowState* window_state = wm::GetWindowState(window_); |
22 OnPostWindowStateTypeChange(window_state, wm::WINDOW_STATE_TYPE_DEFAULT); | 21 OnPostWindowStateTypeChange(window_state, wm::WINDOW_STATE_TYPE_DEFAULT); |
23 window_state->AddObserver(this); | 22 window_state->AddObserver(this); |
24 window_->AddObserver(this); | 23 window_->AddObserver(this); |
25 } | 24 } |
26 | 25 |
27 ResizeHandleWindowTargeter::~ResizeHandleWindowTargeter() { | 26 ResizeHandleWindowTargeter::~ResizeHandleWindowTargeter() { |
28 if (window_) { | 27 if (window_) { |
29 window_->RemoveObserver(this); | 28 window_->RemoveObserver(this); |
30 wm::GetWindowState(window_)->RemoveObserver(this); | 29 wm::GetWindowState(window_)->RemoveObserver(this); |
31 } | 30 } |
32 } | 31 } |
33 | 32 |
34 void ResizeHandleWindowTargeter::OnPostWindowStateTypeChange( | 33 void ResizeHandleWindowTargeter::OnPostWindowStateTypeChange( |
35 wm::WindowState* window_state, | 34 wm::WindowState* window_state, |
36 wm::WindowStateType old_type) { | 35 wm::WindowStateType old_type) { |
37 if (window_state->IsMaximizedOrFullscreenOrPinned()) { | 36 if (window_state->IsMaximizedOrFullscreenOrPinned()) { |
38 frame_border_inset_ = gfx::Insets(); | 37 frame_border_inset_ = gfx::Insets(); |
39 } else { | 38 } else { |
40 frame_border_inset_ = gfx::Insets(kResizeInsideBoundsSize, | 39 frame_border_inset_ = |
41 kResizeInsideBoundsSize, | 40 gfx::Insets(kResizeInsideBoundsSize, kResizeInsideBoundsSize, |
42 kResizeInsideBoundsSize, | 41 kResizeInsideBoundsSize, kResizeInsideBoundsSize); |
43 kResizeInsideBoundsSize); | |
44 } | 42 } |
45 } | 43 } |
46 | 44 |
47 void ResizeHandleWindowTargeter::OnWindowDestroying(aura::Window* window) { | 45 void ResizeHandleWindowTargeter::OnWindowDestroying(aura::Window* window) { |
48 CHECK_EQ(window_, window); | 46 CHECK_EQ(window_, window); |
49 wm::GetWindowState(window_)->RemoveObserver(this); | 47 wm::GetWindowState(window_)->RemoveObserver(this); |
50 window_ = NULL; | 48 window_ = NULL; |
51 } | 49 } |
52 | 50 |
53 aura::Window* ResizeHandleWindowTargeter::FindTargetForLocatedEvent( | 51 aura::Window* ResizeHandleWindowTargeter::FindTargetForLocatedEvent( |
54 aura::Window* window, | 52 aura::Window* window, |
55 ui::LocatedEvent* event) { | 53 ui::LocatedEvent* event) { |
56 if (window == window_) { | 54 if (window == window_) { |
57 gfx::Insets insets; | 55 gfx::Insets insets; |
58 if (immersive_controller_ && immersive_controller_->IsEnabled() && | 56 if (immersive_controller_ && immersive_controller_->IsEnabled() && |
59 !immersive_controller_->IsRevealed() && | 57 !immersive_controller_->IsRevealed() && event->IsTouchEvent()) { |
60 event->IsTouchEvent()) { | |
61 // If the window is in immersive fullscreen, and top-of-window views are | 58 // If the window is in immersive fullscreen, and top-of-window views are |
62 // not revealed, then touch events towards the top of the window | 59 // not revealed, then touch events towards the top of the window |
63 // should not reach the child window so that touch gestures can be used to | 60 // should not reach the child window so that touch gestures can be used to |
64 // reveal the top-of-windows views. This is needed because the child | 61 // reveal the top-of-windows views. This is needed because the child |
65 // window may consume touch events and prevent touch-scroll gesture from | 62 // window may consume touch events and prevent touch-scroll gesture from |
66 // being generated. | 63 // being generated. |
67 insets = gfx::Insets(kImmersiveFullscreenTopEdgeInset, 0, 0, 0); | 64 insets = gfx::Insets(kImmersiveFullscreenTopEdgeInset, 0, 0, 0); |
68 } else { | 65 } else { |
69 // If the event falls very close to the inside of the frame border, then | 66 // If the event falls very close to the inside of the frame border, then |
70 // target the window itself, so that the window can be resized easily. | 67 // target the window itself, so that the window can be resized easily. |
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93 aura::WindowTargeter* targeter = | 90 aura::WindowTargeter* targeter = |
94 static_cast<aura::WindowTargeter*>(parent->GetEventTargeter()); | 91 static_cast<aura::WindowTargeter*>(parent->GetEventTargeter()); |
95 if (targeter) | 92 if (targeter) |
96 return targeter->SubtreeShouldBeExploredForEvent(window, event); | 93 return targeter->SubtreeShouldBeExploredForEvent(window, event); |
97 } | 94 } |
98 } | 95 } |
99 return aura::WindowTargeter::SubtreeShouldBeExploredForEvent(window, event); | 96 return aura::WindowTargeter::SubtreeShouldBeExploredForEvent(window, event); |
100 } | 97 } |
101 | 98 |
102 } // namespace ash | 99 } // namespace ash |
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