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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ash/common/frame/default_header_painter.h" | |
| 6 | |
| 7 #include "ash/common/ash_layout_constants.h" | |
| 8 #include "ash/common/frame/caption_buttons/frame_caption_button_container_view.h
" | |
| 9 #include "ash/common/frame/header_painter_util.h" | |
| 10 #include "ash/resources/grit/ash_resources.h" | |
| 11 #include "ash/resources/vector_icons/vector_icons.h" | |
| 12 #include "base/debug/leak_annotations.h" | |
| 13 #include "base/logging.h" // DCHECK | |
| 14 #include "third_party/skia/include/core/SkPath.h" | |
| 15 #include "ui/base/resource/resource_bundle.h" | |
| 16 #include "ui/gfx/animation/slide_animation.h" | |
| 17 #include "ui/gfx/canvas.h" | |
| 18 #include "ui/gfx/color_utils.h" | |
| 19 #include "ui/gfx/font_list.h" | |
| 20 #include "ui/gfx/geometry/rect.h" | |
| 21 #include "ui/gfx/image/image.h" | |
| 22 #include "ui/gfx/scoped_canvas.h" | |
| 23 #include "ui/gfx/skia_util.h" | |
| 24 #include "ui/views/view.h" | |
| 25 #include "ui/views/widget/native_widget_aura.h" | |
| 26 #include "ui/views/widget/widget.h" | |
| 27 #include "ui/views/widget/widget_delegate.h" | |
| 28 | |
| 29 using views::Widget; | |
| 30 | |
| 31 namespace { | |
| 32 | |
| 33 // Color for the window title text. | |
| 34 const SkColor kTitleTextColor = SkColorSetRGB(40, 40, 40); | |
| 35 // Color of the active window header/content separator line. | |
| 36 const SkColor kHeaderContentSeparatorColor = SkColorSetRGB(150, 150, 152); | |
| 37 // Color of the inactive window header/content separator line. | |
| 38 const SkColor kHeaderContentSeparatorInactiveColor = | |
| 39 SkColorSetRGB(180, 180, 182); | |
| 40 // The default color of the frame. | |
| 41 const SkColor kDefaultFrameColor = SkColorSetRGB(242, 242, 242); | |
| 42 // Duration of crossfade animation for activating and deactivating frame. | |
| 43 const int kActivationCrossfadeDurationMs = 200; | |
| 44 | |
| 45 // Tiles an image into an area, rounding the top corners. | |
| 46 void TileRoundRect(gfx::Canvas* canvas, | |
| 47 const cc::PaintFlags& flags, | |
| 48 const gfx::Rect& bounds, | |
| 49 int corner_radius) { | |
| 50 SkRect rect = gfx::RectToSkRect(bounds); | |
| 51 const SkScalar corner_radius_scalar = SkIntToScalar(corner_radius); | |
| 52 SkScalar radii[8] = {corner_radius_scalar, | |
| 53 corner_radius_scalar, // top-left | |
| 54 corner_radius_scalar, | |
| 55 corner_radius_scalar, // top-right | |
| 56 0, | |
| 57 0, // bottom-right | |
| 58 0, | |
| 59 0}; // bottom-left | |
| 60 SkPath path; | |
| 61 path.addRoundRect(rect, radii, SkPath::kCW_Direction); | |
| 62 canvas->DrawPath(path, flags); | |
| 63 } | |
| 64 | |
| 65 // Returns the FontList to use for the title. | |
| 66 const gfx::FontList& GetTitleFontList() { | |
| 67 static const gfx::FontList* title_font_list = | |
| 68 new gfx::FontList(views::NativeWidgetAura::GetWindowTitleFontList()); | |
| 69 ANNOTATE_LEAKING_OBJECT_PTR(title_font_list); | |
| 70 return *title_font_list; | |
| 71 } | |
| 72 | |
| 73 } // namespace | |
| 74 | |
| 75 namespace ash { | |
| 76 | |
| 77 /////////////////////////////////////////////////////////////////////////////// | |
| 78 // DefaultHeaderPainter, public: | |
| 79 | |
| 80 DefaultHeaderPainter::DefaultHeaderPainter() | |
| 81 : frame_(NULL), | |
| 82 view_(NULL), | |
| 83 left_header_view_(NULL), | |
| 84 active_frame_color_(kDefaultFrameColor), | |
| 85 inactive_frame_color_(kDefaultFrameColor), | |
| 86 caption_button_container_(NULL), | |
| 87 painted_height_(0), | |
| 88 mode_(MODE_INACTIVE), | |
| 89 initial_paint_(true), | |
| 90 activation_animation_(new gfx::SlideAnimation(this)) {} | |
| 91 | |
| 92 DefaultHeaderPainter::~DefaultHeaderPainter() {} | |
| 93 | |
| 94 void DefaultHeaderPainter::Init( | |
| 95 views::Widget* frame, | |
| 96 views::View* header_view, | |
| 97 FrameCaptionButtonContainerView* caption_button_container) { | |
| 98 DCHECK(frame); | |
| 99 DCHECK(header_view); | |
| 100 DCHECK(caption_button_container); | |
| 101 frame_ = frame; | |
| 102 view_ = header_view; | |
| 103 caption_button_container_ = caption_button_container; | |
| 104 caption_button_container_->SetButtonSize( | |
| 105 GetAshLayoutSize(AshLayoutSize::NON_BROWSER_CAPTION_BUTTON)); | |
| 106 UpdateAllButtonImages(); | |
| 107 } | |
| 108 | |
| 109 int DefaultHeaderPainter::GetMinimumHeaderWidth() const { | |
| 110 // Ensure we have enough space for the window icon and buttons. We allow | |
| 111 // the title string to collapse to zero width. | |
| 112 return GetTitleBounds().x() + | |
| 113 caption_button_container_->GetMinimumSize().width(); | |
| 114 } | |
| 115 | |
| 116 void DefaultHeaderPainter::PaintHeader(gfx::Canvas* canvas, Mode mode) { | |
| 117 Mode old_mode = mode_; | |
| 118 mode_ = mode; | |
| 119 | |
| 120 if (mode_ != old_mode) { | |
| 121 UpdateAllButtonImages(); | |
| 122 if (!initial_paint_ && HeaderPainterUtil::CanAnimateActivation(frame_)) { | |
| 123 activation_animation_->SetSlideDuration(kActivationCrossfadeDurationMs); | |
| 124 if (mode_ == MODE_ACTIVE) | |
| 125 activation_animation_->Show(); | |
| 126 else | |
| 127 activation_animation_->Hide(); | |
| 128 } else { | |
| 129 if (mode_ == MODE_ACTIVE) | |
| 130 activation_animation_->Reset(1); | |
| 131 else | |
| 132 activation_animation_->Reset(0); | |
| 133 } | |
| 134 initial_paint_ = false; | |
| 135 } | |
| 136 | |
| 137 int corner_radius = (frame_->IsMaximized() || frame_->IsFullscreen()) | |
| 138 ? 0 | |
| 139 : HeaderPainterUtil::GetTopCornerRadiusWhenRestored(); | |
| 140 | |
| 141 cc::PaintFlags flags; | |
| 142 int active_alpha = activation_animation_->CurrentValueBetween(0, 255); | |
| 143 flags.setColor(color_utils::AlphaBlend(active_frame_color_, | |
| 144 inactive_frame_color_, active_alpha)); | |
| 145 flags.setAntiAlias(true); | |
| 146 TileRoundRect(canvas, flags, GetLocalBounds(), corner_radius); | |
| 147 | |
| 148 if (!frame_->IsMaximized() && !frame_->IsFullscreen() && | |
| 149 mode_ == MODE_INACTIVE && !UsesCustomFrameColors()) { | |
| 150 PaintHighlightForInactiveRestoredWindow(canvas); | |
| 151 } | |
| 152 if (frame_->widget_delegate()->ShouldShowWindowTitle()) | |
| 153 PaintTitleBar(canvas); | |
| 154 if (!UsesCustomFrameColors()) | |
| 155 PaintHeaderContentSeparator(canvas); | |
| 156 } | |
| 157 | |
| 158 void DefaultHeaderPainter::LayoutHeader() { | |
| 159 caption_button_container_->SetUseLightImages(ShouldUseLightImages()); | |
| 160 UpdateSizeButtonImages(); | |
| 161 caption_button_container_->Layout(); | |
| 162 | |
| 163 gfx::Size caption_button_container_size = | |
| 164 caption_button_container_->GetPreferredSize(); | |
| 165 caption_button_container_->SetBounds( | |
| 166 view_->width() - caption_button_container_size.width(), 0, | |
| 167 caption_button_container_size.width(), | |
| 168 caption_button_container_size.height()); | |
| 169 | |
| 170 if (left_header_view_) { | |
| 171 // Vertically center the left header view with respect to the caption button | |
| 172 // container. | |
| 173 // Floor when computing the center of |caption_button_container_|. | |
| 174 gfx::Size size = left_header_view_->GetPreferredSize(); | |
| 175 int icon_offset_y = | |
| 176 caption_button_container_->height() / 2 - size.height() / 2; | |
| 177 left_header_view_->SetBounds(HeaderPainterUtil::GetLeftViewXInset(), | |
| 178 icon_offset_y, size.width(), size.height()); | |
| 179 } | |
| 180 | |
| 181 // The header/content separator line overlays the caption buttons. | |
| 182 SetHeaderHeightForPainting(caption_button_container_->height()); | |
| 183 } | |
| 184 | |
| 185 int DefaultHeaderPainter::GetHeaderHeight() const { | |
| 186 return caption_button_container_->height(); | |
| 187 } | |
| 188 | |
| 189 int DefaultHeaderPainter::GetHeaderHeightForPainting() const { | |
| 190 return painted_height_; | |
| 191 } | |
| 192 | |
| 193 void DefaultHeaderPainter::SetHeaderHeightForPainting(int height) { | |
| 194 painted_height_ = height; | |
| 195 } | |
| 196 | |
| 197 void DefaultHeaderPainter::SchedulePaintForTitle() { | |
| 198 view_->SchedulePaintInRect(GetTitleBounds()); | |
| 199 } | |
| 200 | |
| 201 void DefaultHeaderPainter::SetFrameColors(SkColor active_frame_color, | |
| 202 SkColor inactive_frame_color) { | |
| 203 active_frame_color_ = active_frame_color; | |
| 204 inactive_frame_color_ = inactive_frame_color; | |
| 205 UpdateAllButtonImages(); | |
| 206 } | |
| 207 | |
| 208 SkColor DefaultHeaderPainter::GetActiveFrameColor() const { | |
| 209 return active_frame_color_; | |
| 210 } | |
| 211 | |
| 212 SkColor DefaultHeaderPainter::GetInactiveFrameColor() const { | |
| 213 return inactive_frame_color_; | |
| 214 } | |
| 215 | |
| 216 void DefaultHeaderPainter::UpdateLeftHeaderView(views::View* left_header_view) { | |
| 217 left_header_view_ = left_header_view; | |
| 218 } | |
| 219 | |
| 220 /////////////////////////////////////////////////////////////////////////////// | |
| 221 // gfx::AnimationDelegate overrides: | |
| 222 | |
| 223 void DefaultHeaderPainter::AnimationProgressed( | |
| 224 const gfx::Animation* animation) { | |
| 225 view_->SchedulePaintInRect(GetLocalBounds()); | |
| 226 } | |
| 227 | |
| 228 /////////////////////////////////////////////////////////////////////////////// | |
| 229 // DefaultHeaderPainter, private: | |
| 230 | |
| 231 void DefaultHeaderPainter::PaintHighlightForInactiveRestoredWindow( | |
| 232 gfx::Canvas* canvas) { | |
| 233 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); | |
| 234 gfx::ImageSkia top_edge = | |
| 235 *rb.GetImageSkiaNamed(IDR_AURA_WINDOW_HEADER_SHADE_INACTIVE_TOP); | |
| 236 gfx::ImageSkia left_edge = | |
| 237 *rb.GetImageSkiaNamed(IDR_AURA_WINDOW_HEADER_SHADE_INACTIVE_LEFT); | |
| 238 gfx::ImageSkia right_edge = | |
| 239 *rb.GetImageSkiaNamed(IDR_AURA_WINDOW_HEADER_SHADE_INACTIVE_RIGHT); | |
| 240 gfx::ImageSkia bottom_edge = | |
| 241 *rb.GetImageSkiaNamed(IDR_AURA_WINDOW_HEADER_SHADE_INACTIVE_BOTTOM); | |
| 242 | |
| 243 int left_edge_width = left_edge.width(); | |
| 244 int right_edge_width = right_edge.width(); | |
| 245 canvas->DrawImageInt(left_edge, 0, 0); | |
| 246 canvas->DrawImageInt(right_edge, view_->width() - right_edge_width, 0); | |
| 247 canvas->TileImageInt(top_edge, left_edge_width, 0, | |
| 248 view_->width() - left_edge_width - right_edge_width, | |
| 249 top_edge.height()); | |
| 250 | |
| 251 DCHECK_EQ(left_edge.height(), right_edge.height()); | |
| 252 int bottom = left_edge.height(); | |
| 253 int bottom_height = bottom_edge.height(); | |
| 254 canvas->TileImageInt(bottom_edge, left_edge_width, bottom - bottom_height, | |
| 255 view_->width() - left_edge_width - right_edge_width, | |
| 256 bottom_height); | |
| 257 } | |
| 258 | |
| 259 void DefaultHeaderPainter::PaintTitleBar(gfx::Canvas* canvas) { | |
| 260 // The window icon is painted by its own views::View. | |
| 261 gfx::Rect title_bounds = GetTitleBounds(); | |
| 262 title_bounds.set_x(view_->GetMirroredXForRect(title_bounds)); | |
| 263 canvas->DrawStringRectWithFlags( | |
| 264 frame_->widget_delegate()->GetWindowTitle(), GetTitleFontList(), | |
| 265 kTitleTextColor, title_bounds, gfx::Canvas::NO_SUBPIXEL_RENDERING); | |
| 266 } | |
| 267 | |
| 268 void DefaultHeaderPainter::PaintHeaderContentSeparator(gfx::Canvas* canvas) { | |
| 269 gfx::ScopedCanvas scoped_canvas(canvas); | |
| 270 const float scale = canvas->UndoDeviceScaleFactor(); | |
| 271 gfx::RectF rect(0, painted_height_ * scale - 1, view_->width() * scale, 1); | |
| 272 cc::PaintFlags flags; | |
| 273 flags.setColor((mode_ == MODE_ACTIVE) ? kHeaderContentSeparatorColor | |
| 274 : kHeaderContentSeparatorInactiveColor); | |
| 275 canvas->sk_canvas()->drawRect(gfx::RectFToSkRect(rect), flags); | |
| 276 } | |
| 277 | |
| 278 bool DefaultHeaderPainter::ShouldUseLightImages() { | |
| 279 return color_utils::IsDark(mode_ == MODE_INACTIVE ? inactive_frame_color_ | |
| 280 : active_frame_color_); | |
| 281 } | |
| 282 | |
| 283 void DefaultHeaderPainter::UpdateAllButtonImages() { | |
| 284 caption_button_container_->SetUseLightImages(ShouldUseLightImages()); | |
| 285 caption_button_container_->SetButtonImage(CAPTION_BUTTON_ICON_MINIMIZE, | |
| 286 kWindowControlMinimizeIcon); | |
| 287 | |
| 288 UpdateSizeButtonImages(); | |
| 289 | |
| 290 caption_button_container_->SetButtonImage(CAPTION_BUTTON_ICON_CLOSE, | |
| 291 kWindowControlCloseIcon); | |
| 292 | |
| 293 caption_button_container_->SetButtonImage(CAPTION_BUTTON_ICON_LEFT_SNAPPED, | |
| 294 kWindowControlLeftSnappedIcon); | |
| 295 | |
| 296 caption_button_container_->SetButtonImage(CAPTION_BUTTON_ICON_RIGHT_SNAPPED, | |
| 297 kWindowControlRightSnappedIcon); | |
| 298 } | |
| 299 | |
| 300 void DefaultHeaderPainter::UpdateSizeButtonImages() { | |
| 301 const gfx::VectorIcon& icon = frame_->IsMaximized() || frame_->IsFullscreen() | |
| 302 ? kWindowControlRestoreIcon | |
| 303 : kWindowControlMaximizeIcon; | |
| 304 caption_button_container_->SetButtonImage( | |
| 305 CAPTION_BUTTON_ICON_MAXIMIZE_RESTORE, icon); | |
| 306 } | |
| 307 | |
| 308 gfx::Rect DefaultHeaderPainter::GetLocalBounds() const { | |
| 309 return gfx::Rect(view_->width(), painted_height_); | |
| 310 } | |
| 311 | |
| 312 gfx::Rect DefaultHeaderPainter::GetTitleBounds() const { | |
| 313 return HeaderPainterUtil::GetTitleBounds( | |
| 314 left_header_view_, caption_button_container_, GetTitleFontList()); | |
| 315 } | |
| 316 | |
| 317 bool DefaultHeaderPainter::UsesCustomFrameColors() const { | |
| 318 return active_frame_color_ != kDefaultFrameColor || | |
| 319 inactive_frame_color_ != kDefaultFrameColor; | |
| 320 } | |
| 321 | |
| 322 } // namespace ash | |
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Chromium Code Reviews
Issue 2734653002:
chromeos: Move files in //ash/common to //ash (Closed)
