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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "aura/window.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "aura/desktop.h" | |
| 10 #include "aura/event.h" | |
| 11 #include "aura/window_delegate.h" | |
| 12 #include "aura/window_manager.h" | |
| 13 #include "base/logging.h" | |
| 14 #include "ui/gfx/canvas_skia.h" | |
| 15 #include "ui/gfx/compositor/compositor.h" | |
| 16 #include "ui/gfx/compositor/layer.h" | |
| 17 | |
| 18 namespace aura { | |
| 19 | |
| 20 Window::Window(WindowDelegate* delegate) | |
| 21 : delegate_(delegate), | |
| 22 visibility_(VISIBILITY_HIDDEN), | |
| 23 parent_(NULL), | |
| 24 id_(-1), | |
| 25 user_data_(NULL) { | |
| 26 } | |
| 27 | |
| 28 Window::~Window() { | |
| 29 // Let the delegate know we're in the processing of destroying. | |
| 30 if (delegate_) | |
| 31 delegate_->OnWindowDestroying(); | |
| 32 // Then destroy the children. | |
| 33 while (!children_.empty()) { | |
| 34 Window* child = children_[0]; | |
| 35 delete child; | |
| 36 // Deleting the child so remove it from out children_ list. | |
| 37 DCHECK(std::find(children_.begin(), children_.end(), child) == | |
| 38 children_.end()); | |
| 39 } | |
| 40 // And let the delegate do any post cleanup. | |
| 41 if (delegate_) | |
| 42 delegate_->OnWindowDestroyed(); | |
| 43 if (parent_) | |
| 44 parent_->RemoveChild(this); | |
| 45 } | |
| 46 | |
| 47 void Window::Init() { | |
| 48 layer_.reset(new ui::Layer(Desktop::GetInstance()->compositor())); | |
| 49 layer_->set_delegate(this); | |
| 50 } | |
| 51 | |
| 52 void Window::SetVisibility(Visibility visibility) { | |
| 53 if (visibility_ == visibility) | |
| 54 return; | |
| 55 | |
| 56 visibility_ = visibility; | |
| 57 layer_->set_visible(visibility_ != VISIBILITY_HIDDEN); | |
| 58 if (layer_->visible()) | |
| 59 SchedulePaint(); | |
| 60 } | |
| 61 | |
| 62 void Window::SetBounds(const gfx::Rect& bounds, int anim_ms) { | |
| 63 // TODO: support anim_ms | |
| 64 // TODO: funnel this through the Desktop. | |
| 65 bool was_move = bounds_.size() == bounds.size(); | |
| 66 bounds_ = bounds; | |
| 67 layer_->SetBounds(bounds); | |
| 68 if (was_move) | |
| 69 SchedulePaintInRect(gfx::Rect()); | |
| 70 else | |
| 71 SchedulePaint(); | |
| 72 } | |
| 73 | |
| 74 void Window::SchedulePaintInRect(const gfx::Rect& rect) { | |
| 75 layer_->SchedulePaint(rect); | |
| 76 } | |
| 77 | |
| 78 void Window::SetCanvas(const SkCanvas& canvas, const gfx::Point& origin) { | |
| 79 // TODO: figure out how this is going to work when animating the layer. In | |
| 80 // particular if we're animating the size then the underlying Texture is going | |
| 81 // to be unhappy if we try to set a texture on a size bigger than the size of | |
| 82 // the texture. | |
| 83 layer_->SetCanvas(canvas, origin); | |
| 84 } | |
| 85 | |
| 86 void Window::SetParent(Window* parent) { | |
| 87 if (parent) | |
| 88 parent->AddChild(this); | |
| 89 else | |
| 90 Desktop::GetInstance()->window()->AddChild(this); | |
| 91 } | |
| 92 | |
| 93 bool Window::IsTopLevelWindowContainer() const { | |
| 94 return false; | |
| 95 } | |
| 96 | |
| 97 void Window::MoveChildToFront(Window* child) { | |
| 98 DCHECK_EQ(child->parent(), this); | |
| 99 const Windows::iterator i(std::find(children_.begin(), children_.end(), | |
| 100 child)); | |
| 101 DCHECK(i != children_.end()); | |
| 102 children_.erase(i); | |
| 103 | |
| 104 // TODO(beng): this obviously has to handle different window types. | |
| 105 children_.insert(children_.begin() + children_.size(), child); | |
| 106 SchedulePaintInRect(gfx::Rect()); | |
| 107 } | |
| 108 | |
| 109 void Window::AddChild(Window* child) { | |
| 110 DCHECK(std::find(children_.begin(), children_.end(), child) == | |
| 111 children_.end()); | |
| 112 child->parent_ = this; | |
| 113 layer_->Add(child->layer_.get()); | |
| 114 children_.push_back(child); | |
| 115 } | |
| 116 | |
| 117 void Window::RemoveChild(Window* child) { | |
| 118 Windows::iterator i = std::find(children_.begin(), children_.end(), child); | |
| 119 DCHECK(i != children_.end()); | |
| 120 child->parent_ = NULL; | |
| 121 layer_->Remove(child->layer_.get()); | |
| 122 children_.erase(i); | |
| 123 } | |
| 124 | |
| 125 // static | |
| 126 void Window::ConvertPointToWindow(Window* source, | |
| 127 Window* target, | |
| 128 gfx::Point* point) { | |
| 129 ui::Layer::ConvertPointToLayer(source->layer(), target->layer(), point); | |
| 130 } | |
| 131 | |
| 132 bool Window::OnMouseEvent(MouseEvent* event) { | |
| 133 if (!window_manager_.get()) | |
| 134 window_manager_.reset(new WindowManager(this)); | |
| 135 return window_manager_->OnMouseEvent(event) || delegate_->OnMouseEvent(event); | |
| 136 } | |
| 137 | |
| 138 bool Window::OnKeyEvent(KeyEvent* event) { | |
| 139 return delegate_->OnKeyEvent(event); | |
| 140 } | |
| 141 | |
| 142 bool Window::HitTest(const gfx::Point& point) { | |
| 143 gfx::Rect local_bounds(gfx::Point(), bounds().size()); | |
| 144 // TODO(beng): hittest masks. | |
| 145 return local_bounds.Contains(point); | |
| 146 } | |
| 147 | |
| 148 Window* Window::GetEventHandlerForPoint(const gfx::Point& point) { | |
| 149 Windows::const_reverse_iterator i = children_.rbegin(); | |
| 150 for (; i != children_.rend(); ++i) { | |
| 151 Window* child = *i; | |
| 152 if (child->visibility() == Window::VISIBILITY_HIDDEN) | |
| 153 continue; | |
| 154 gfx::Point point_in_child_coords(point); | |
| 155 Window::ConvertPointToWindow(this, child, &point_in_child_coords); | |
| 156 if (child->HitTest(point_in_child_coords)) | |
| 157 return child->GetEventHandlerForPoint(point_in_child_coords); | |
| 158 } | |
| 159 return this; | |
| 160 } | |
| 161 | |
| 162 internal::FocusManager* Window::GetFocusManager() { | |
| 163 return parent_ ? parent_->GetFocusManager() : NULL; | |
| 164 } | |
| 165 | |
| 166 void Window::SchedulePaint() { | |
| 167 SchedulePaintInRect(gfx::Rect(0, 0, bounds_.width(), bounds_.height())); | |
| 168 } | |
| 169 | |
| 170 void Window::OnPaintLayer(gfx::Canvas* canvas) { | |
| 171 if (delegate_) | |
| 172 delegate_->OnPaint(canvas); | |
| 173 } | |
| 174 | |
| 175 } // namespace aura | |
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