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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 "views/bubble/bubble_delegate.h" | |
| 6 | |
| 7 #include "ui/base/animation/slide_animation.h" | |
| 8 #include "views/bubble/bubble_frame_view.h" | |
| 9 #include "views/widget/widget.h" | |
| 10 | |
| 11 // The duration of the fade animation in milliseconds. | |
| 12 static const int kHideFadeDurationMS = 200; | |
| 13 | |
| 14 namespace views { | |
| 15 | |
| 16 namespace { | |
| 17 | |
| 18 // Create a widget to host the bubble. | |
| 19 Widget* CreateBubbleWidget(BubbleDelegateView* bubble, Widget* parent) { | |
| 20 Widget* bubble_widget = new Widget(); | |
| 21 Widget::InitParams bubble_params(Widget::InitParams::TYPE_BUBBLE); | |
| 22 bubble_params.delegate = bubble; | |
| 23 bubble_params.transparent = true; | |
| 24 bubble_params.parent_widget = parent; | |
| 25 #if defined(OS_WIN) && !defined(USE_AURA) | |
| 26 bubble_params.type = Widget::InitParams::TYPE_WINDOW_FRAMELESS; | |
| 27 bubble_params.transparent = false; | |
| 28 #endif | |
| 29 bubble_widget->Init(bubble_params); | |
| 30 return bubble_widget; | |
| 31 } | |
| 32 | |
| 33 #if defined(OS_WIN) && !defined(USE_AURA) | |
| 34 // The border widget's delegate, needed for transparent Windows native controls. | |
| 35 // TODO(msw): Remove this when Windows native controls are no longer needed. | |
| 36 class VIEWS_EXPORT BubbleBorderDelegateView : public WidgetDelegateView { | |
| 37 public: | |
| 38 explicit BubbleBorderDelegateView(BubbleDelegateView* bubble) | |
| 39 : bubble_(bubble) {} | |
| 40 virtual ~BubbleBorderDelegateView() {} | |
| 41 | |
| 42 // WidgetDelegateView overrides: | |
| 43 virtual bool CanActivate() const OVERRIDE; | |
| 44 virtual NonClientFrameView* CreateNonClientFrameView() OVERRIDE; | |
| 45 | |
| 46 private: | |
| 47 BubbleDelegateView* bubble_; | |
| 48 | |
| 49 DISALLOW_COPY_AND_ASSIGN(BubbleBorderDelegateView); | |
| 50 }; | |
| 51 | |
| 52 bool BubbleBorderDelegateView::CanActivate() const { return false; } | |
| 53 | |
| 54 NonClientFrameView* BubbleBorderDelegateView::CreateNonClientFrameView() { | |
| 55 return bubble_->CreateNonClientFrameView(); | |
| 56 } | |
| 57 | |
| 58 // Create a widget to host the bubble's border. | |
| 59 Widget* CreateBorderWidget(BubbleDelegateView* bubble, Widget* parent) { | |
| 60 Widget* border_widget = new Widget(); | |
| 61 Widget::InitParams border_params(Widget::InitParams::TYPE_BUBBLE); | |
| 62 border_params.delegate = new BubbleBorderDelegateView(bubble); | |
| 63 border_params.transparent = true; | |
| 64 border_params.parent_widget = parent; | |
| 65 if (!border_params.parent_widget) | |
| 66 border_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; | |
| 67 border_widget->Init(border_params); | |
| 68 return border_widget; | |
| 69 } | |
| 70 #endif | |
| 71 | |
| 72 } // namespace | |
| 73 | |
| 74 BubbleDelegateView::BubbleDelegateView() | |
| 75 : close_on_esc_(true), | |
| 76 close_on_deactivate_(true), | |
| 77 allow_bubble_offscreen_(false), | |
| 78 anchor_view_(NULL), | |
| 79 arrow_location_(BubbleBorder::TOP_LEFT), | |
| 80 color_(SK_ColorWHITE), | |
| 81 border_widget_(NULL), | |
| 82 use_focusless_(false) { | |
| 83 set_background(views::Background::CreateSolidBackground(color_)); | |
| 84 AddAccelerator(ui::Accelerator(ui::VKEY_ESCAPE, 0)); | |
| 85 } | |
| 86 | |
| 87 BubbleDelegateView::BubbleDelegateView( | |
| 88 View* anchor_view, | |
| 89 BubbleBorder::ArrowLocation arrow_location, | |
| 90 const SkColor& color) | |
| 91 : close_on_esc_(true), | |
| 92 close_on_deactivate_(true), | |
| 93 allow_bubble_offscreen_(false), | |
| 94 anchor_view_(anchor_view), | |
| 95 arrow_location_(arrow_location), | |
| 96 color_(color), | |
| 97 original_opacity_(255), | |
| 98 border_widget_(NULL), | |
| 99 use_focusless_(false) { | |
| 100 set_background(views::Background::CreateSolidBackground(color_)); | |
| 101 AddAccelerator(ui::Accelerator(ui::VKEY_ESCAPE, 0)); | |
| 102 } | |
| 103 | |
| 104 BubbleDelegateView::~BubbleDelegateView() { | |
| 105 if (border_widget_) | |
| 106 border_widget_->Close(); | |
| 107 } | |
| 108 | |
| 109 // static | |
| 110 Widget* BubbleDelegateView::CreateBubble(BubbleDelegateView* bubble_delegate) { | |
| 111 bubble_delegate->Init(); | |
| 112 Widget* parent = bubble_delegate->anchor_view() ? | |
| 113 bubble_delegate->anchor_view()->GetWidget() : NULL; | |
| 114 Widget* bubble_widget = CreateBubbleWidget(bubble_delegate, parent); | |
| 115 | |
| 116 #if defined(OS_WIN) && !defined(USE_AURA) | |
| 117 // First set the contents view to initialize view bounds for widget sizing. | |
| 118 bubble_widget->SetContentsView(bubble_delegate->GetContentsView()); | |
| 119 bubble_delegate->border_widget_ = CreateBorderWidget(bubble_delegate, parent); | |
| 120 #endif | |
| 121 | |
| 122 bubble_delegate->SizeToContents(); | |
| 123 bubble_widget->AddObserver(bubble_delegate); | |
| 124 if (parent && parent->GetTopLevelWidget()) | |
| 125 parent->GetTopLevelWidget()->DisableInactiveRendering(); | |
| 126 return bubble_widget; | |
| 127 } | |
| 128 | |
| 129 View* BubbleDelegateView::GetInitiallyFocusedView() { | |
| 130 return this; | |
| 131 } | |
| 132 | |
| 133 BubbleDelegateView* BubbleDelegateView::AsBubbleDelegate() { | |
| 134 return this; | |
| 135 } | |
| 136 | |
| 137 View* BubbleDelegateView::GetContentsView() { | |
| 138 return this; | |
| 139 } | |
| 140 | |
| 141 NonClientFrameView* BubbleDelegateView::CreateNonClientFrameView() { | |
| 142 return new BubbleFrameView(GetArrowLocation(), | |
| 143 GetPreferredSize(), | |
| 144 GetColor(), | |
| 145 allow_bubble_offscreen_); | |
| 146 } | |
| 147 | |
| 148 void BubbleDelegateView::OnWidgetActivationChanged(Widget* widget, | |
| 149 bool active) { | |
| 150 if (close_on_deactivate() && widget == GetWidget() && !active) { | |
| 151 GetWidget()->RemoveObserver(this); | |
| 152 GetWidget()->Close(); | |
| 153 } | |
| 154 } | |
| 155 | |
| 156 gfx::Point BubbleDelegateView::GetAnchorPoint() { | |
| 157 if (!anchor_view()) | |
| 158 return gfx::Point(); | |
| 159 | |
| 160 BubbleBorder::ArrowLocation location = GetArrowLocation(); | |
| 161 gfx::Point anchor(anchor_view()->bounds().CenterPoint()); | |
| 162 // By default, pick the middle of |anchor_view_|'s edge opposite the arrow. | |
| 163 if (BubbleBorder::is_arrow_on_horizontal(location)) { | |
| 164 anchor.SetPoint(anchor_view()->width() / 2, | |
| 165 BubbleBorder::is_arrow_on_top(location) ? anchor_view()->height() : 0); | |
| 166 } else if (BubbleBorder::has_arrow(location)) { | |
| 167 anchor.SetPoint( | |
| 168 BubbleBorder::is_arrow_on_left(location) ? anchor_view()->width() : 0, | |
| 169 anchor_view_->height() / 2); | |
| 170 } | |
| 171 View::ConvertPointToScreen(anchor_view(), &anchor); | |
| 172 return anchor; | |
| 173 } | |
| 174 | |
| 175 BubbleBorder::ArrowLocation BubbleDelegateView::GetArrowLocation() const { | |
| 176 return arrow_location_; | |
| 177 } | |
| 178 | |
| 179 SkColor BubbleDelegateView::GetColor() const { | |
| 180 return color_; | |
| 181 } | |
| 182 | |
| 183 void BubbleDelegateView::Show() { | |
| 184 if (border_widget_) | |
| 185 border_widget_->Show(); | |
| 186 GetWidget()->Show(); | |
| 187 GetFocusManager()->SetFocusedView(GetInitiallyFocusedView()); | |
| 188 } | |
| 189 | |
| 190 void BubbleDelegateView::StartFade(bool fade_in) { | |
| 191 fade_animation_.reset(new ui::SlideAnimation(this)); | |
| 192 fade_animation_->SetSlideDuration(kHideFadeDurationMS); | |
| 193 fade_animation_->Reset(fade_in ? 0.0 : 1.0); | |
| 194 if (fade_in) { | |
| 195 original_opacity_ = 0; | |
| 196 if (border_widget_) | |
| 197 border_widget_->SetOpacity(original_opacity_); | |
| 198 GetWidget()->SetOpacity(original_opacity_); | |
| 199 Show(); | |
| 200 fade_animation_->Show(); | |
| 201 } else { | |
| 202 original_opacity_ = 255; | |
| 203 fade_animation_->Hide(); | |
| 204 } | |
| 205 } | |
| 206 | |
| 207 void BubbleDelegateView::ResetFade() { | |
| 208 fade_animation_.reset(); | |
| 209 if (border_widget_) | |
| 210 border_widget_->SetOpacity(original_opacity_); | |
| 211 GetWidget()->SetOpacity(original_opacity_); | |
| 212 } | |
| 213 | |
| 214 bool BubbleDelegateView::AcceleratorPressed( | |
| 215 const ui::Accelerator& accelerator) { | |
| 216 if (!close_on_esc() || accelerator.key_code() != ui::VKEY_ESCAPE) | |
| 217 return false; | |
| 218 if (fade_animation_.get()) | |
| 219 fade_animation_->Reset(); | |
| 220 GetWidget()->Close(); | |
| 221 return true; | |
| 222 } | |
| 223 | |
| 224 void BubbleDelegateView::AnimationEnded(const ui::Animation* animation) { | |
| 225 if (animation != fade_animation_.get()) | |
| 226 return; | |
| 227 bool closed = fade_animation_->GetCurrentValue() == 0; | |
| 228 fade_animation_->Reset(); | |
| 229 if (closed) | |
| 230 GetWidget()->Close(); | |
| 231 } | |
| 232 | |
| 233 void BubbleDelegateView::AnimationProgressed(const ui::Animation* animation) { | |
| 234 if (animation != fade_animation_.get()) | |
| 235 return; | |
| 236 DCHECK(fade_animation_->is_animating()); | |
| 237 unsigned char opacity = fade_animation_->GetCurrentValue() * 255; | |
| 238 #if defined(OS_WIN) && !defined(USE_AURA) | |
| 239 // Explicitly set the content Widget's layered style and set transparency via | |
| 240 // SetLayeredWindowAttributes. This is done because initializing the Widget as | |
| 241 // transparent and setting opacity via UpdateLayeredWindow doesn't support | |
| 242 // hosting child native Windows controls. | |
| 243 const HWND hwnd = GetWidget()->GetNativeView(); | |
| 244 const DWORD style = GetWindowLong(hwnd, GWL_EXSTYLE); | |
| 245 if ((opacity == 255) == !!(style & WS_EX_LAYERED)) | |
| 246 SetWindowLong(hwnd, GWL_EXSTYLE, style ^ WS_EX_LAYERED); | |
| 247 SetLayeredWindowAttributes(hwnd, 0, opacity, LWA_ALPHA); | |
| 248 // Update the border widget's opacity. | |
| 249 border_widget_->SetOpacity(opacity); | |
| 250 border_widget_->non_client_view()->SchedulePaint(); | |
| 251 #endif | |
| 252 GetWidget()->SetOpacity(opacity); | |
| 253 SchedulePaint(); | |
| 254 } | |
| 255 | |
| 256 void BubbleDelegateView::Init() {} | |
| 257 | |
| 258 void BubbleDelegateView::SizeToContents() { | |
| 259 #if defined(OS_WIN) && !defined(USE_AURA) | |
| 260 border_widget_->SetBounds(GetBubbleBounds()); | |
| 261 GetWidget()->SetBounds(GetBubbleClientBounds()); | |
| 262 #else | |
| 263 GetWidget()->SetBounds(GetBubbleBounds()); | |
| 264 #endif | |
| 265 } | |
| 266 | |
| 267 BubbleFrameView* BubbleDelegateView::GetBubbleFrameView() const { | |
| 268 const Widget* widget = border_widget_ ? border_widget_ : GetWidget(); | |
| 269 return static_cast<BubbleFrameView*>(widget->non_client_view()->frame_view()); | |
| 270 } | |
| 271 | |
| 272 gfx::Rect BubbleDelegateView::GetBubbleBounds() { | |
| 273 // The argument rect has its origin at the bubble's arrow anchor point; | |
| 274 // its size is the preferred size of the bubble's client view (this view). | |
| 275 return GetBubbleFrameView()->GetWindowBoundsForClientBounds( | |
| 276 gfx::Rect(GetAnchorPoint(), GetPreferredSize())); | |
| 277 } | |
| 278 | |
| 279 #if defined(OS_WIN) && !defined(USE_AURA) | |
| 280 gfx::Rect BubbleDelegateView::GetBubbleClientBounds() const { | |
| 281 gfx::Rect client_bounds(GetBubbleFrameView()->GetBoundsForClientView()); | |
| 282 client_bounds.Offset(border_widget_->GetWindowScreenBounds().origin()); | |
| 283 return client_bounds; | |
| 284 } | |
| 285 #endif | |
| 286 | |
| 287 } // namespace views | |
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Chromium Code Reviews
Issue 8588064:
views: Move bubble, events, focus and layout to ui/views/. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src