15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/views/tabs/dragged_tab_view.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/stl_util.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/views/tabs/native_view_photobooth.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkShader.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/canvas.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/widget/widget.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_AURA) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/widget/native_widget_aura.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#elif defined(OS_WIN) 167d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "ui/base/win/dpi.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/widget/native_widget_win.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const int kTransparentAlpha = 200; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const int kOpaqueAlpha = 255; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const int kDragFrameBorderSize = 2; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const int kTwiceDragFrameBorderSize = 2 * kDragFrameBorderSize; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const float kScalingFactor = 0.5; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static const SkColor kDraggedTabBorderColor = SkColorSetRGB(103, 129, 162); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DraggedTabView, public: 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)DraggedTabView::DraggedTabView(const std::vector<views::View*>& renderers, 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::vector<gfx::Rect>& renderer_bounds, 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Point& mouse_tab_offset, 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& contents_size, 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NativeViewPhotobooth* photobooth) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : renderers_(renderers), 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) renderer_bounds_(renderer_bounds), 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) show_contents_on_drag_(true), 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_tab_offset_(mouse_tab_offset), 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) photobooth_(photobooth), 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) contents_size_(contents_size) { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) set_owned_by_client(); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) container_.reset(new views::Widget); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP); 45eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.keep_on_top = true; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.bounds = gfx::Rect(PreferredContainerSize()); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) container_->Init(params); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) container_->SetContentsView(this); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) && !defined(USE_AURA) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<views::NativeWidgetWin*>(container_->native_widget())-> 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetCanUpdateLayeredWindow(false); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BOOL drag; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((::SystemParametersInfo(SPI_GETDRAGFULLWINDOWS, 0, &drag, 0) != 0) && 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (drag == FALSE)) { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) show_contents_on_drag_ = false; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) container_->SetOpacity(kTransparentAlpha); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) container_->SetBounds(gfx::Rect(params.bounds.size())); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)DraggedTabView::~DraggedTabView() { 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) parent()->RemoveChildView(this); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) container_->CloseNow(); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) STLDeleteElements(&renderers_); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void DraggedTabView::MoveTo(const gfx::Point& screen_point) { 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int x; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (base::i18n::IsRTL()) { 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // On RTL locales, a dragged tab (when it is not attached to a tab strip) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // is rendered using a right-to-left orientation so we should calculate the 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // window position differently. 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Size ps = GetPreferredSize(); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) x = screen_point.x() + ScaleValue(mouse_tab_offset_.x() - ps.width()); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) x = screen_point.x() - ScaleValue(mouse_tab_offset_.x()); 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int y = screen_point.y() - ScaleValue(mouse_tab_offset_.y()); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_WIN) && !defined(USE_AURA) 857d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) double scale = ui::win::GetDeviceScaleFactor(); 867d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) x = static_cast<int>(scale * screen_point.x()); 877d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) y = static_cast<int>(scale * screen_point.y()); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(beng): make this cross-platform 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int show_flags = container_->IsVisible() ? SWP_NOZORDER : SWP_SHOWWINDOW; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetWindowPos(container_->GetNativeView(), HWND_TOP, x, y, 0, 0, 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SWP_NOSIZE | SWP_NOACTIVATE | show_flags); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect bounds = container_->GetWindowBoundsInScreen(); 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) container_->SetBounds(gfx::Rect(x, y, bounds.width(), bounds.height())); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!container_->IsVisible()) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) container_->Show(); 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void DraggedTabView::Update() { 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SchedulePaint(); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/////////////////////////////////////////////////////////////////////////////// 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DraggedTabView, views::View overrides: 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void DraggedTabView::OnPaint(gfx::Canvas* canvas) { 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (show_contents_on_drag_) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PaintDetachedView(canvas); 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PaintFocusRect(canvas); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void DraggedTabView::Layout() { 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int max_width = GetPreferredSize().width(); 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < renderers_.size(); ++i) { 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect bounds = renderer_bounds_[i]; 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.set_y(0); 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (base::i18n::IsRTL()) 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.set_x(max_width - bounds.x() - bounds.width()); 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) renderers_[i]->SetBoundsRect(bounds); 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Size DraggedTabView::GetPreferredSize() { 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!renderer_bounds_.empty()); 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int max_renderer_x = renderer_bounds_.back().right(); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int width = std::max(max_renderer_x, contents_size_.width()) + 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kTwiceDragFrameBorderSize; 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int height = renderer_bounds_.back().height() + kDragFrameBorderSize + 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) contents_size_.height(); 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gfx::Size(width, height); 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DraggedTabView, private: 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void DraggedTabView::PaintDetachedView(gfx::Canvas* canvas) { 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Size ps = GetPreferredSize(); 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(pkotwicz): DIP enable this class. 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Canvas scale_canvas(ps, ui::SCALE_FACTOR_100P, false); 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkBitmap& bitmap_device = const_cast<SkBitmap&>( 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) skia::GetTopDevice(*scale_canvas.sk_canvas())->accessBitmap(true)); 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bitmap_device.eraseARGB(0, 0, 0, 0); 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int tab_height = renderer_bounds_.back().height(); 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scale_canvas.FillRect(gfx::Rect(0, tab_height - kDragFrameBorderSize, 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ps.width(), ps.height() - tab_height), 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kDraggedTabBorderColor); 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect image_rect(kDragFrameBorderSize, 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) tab_height, 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ps.width() - kTwiceDragFrameBorderSize, 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) contents_size_.height()); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scale_canvas.FillRect(image_rect, SK_ColorBLACK); 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) photobooth_->PaintScreenshotIntoCanvas(&scale_canvas, image_rect); 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < renderers_.size(); ++i) 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) renderers_[i]->Paint(&scale_canvas); 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkBitmap mipmap = scale_canvas.ExtractImageRep().sk_bitmap(); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mipmap.buildMipMap(true); 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) skia::RefPtr<SkShader> bitmap_shader = skia::AdoptRef( 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkShader::CreateBitmapShader(mipmap, SkShader::kClamp_TileMode, 1642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SkShader::kClamp_TileMode)); 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkMatrix shader_scale; 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) shader_scale.setScale(kScalingFactor, kScalingFactor); 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bitmap_shader->setLocalMatrix(shader_scale); 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkPaint paint; 1712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) paint.setShader(bitmap_shader.get()); 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) paint.setAntiAlias(true); 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) canvas->DrawRect(gfx::Rect(ps), paint); 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void DraggedTabView::PaintFocusRect(gfx::Canvas* canvas) { 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Size ps = GetPreferredSize(); 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) canvas->DrawFocusRect( 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect(0, 0, 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<int>(ps.width() * kScalingFactor), 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<int>(ps.height() * kScalingFactor))); 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)gfx::Size DraggedTabView::PreferredContainerSize() { 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Size ps = GetPreferredSize(); 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gfx::Size(ScaleValue(ps.width()), ScaleValue(ps.height())); 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int DraggedTabView::ScaleValue(int value) { 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<int>(value * kScalingFactor); 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 193