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| 1 // Copyright (c) 2012 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/launcher/overflow_button.h" | |
| 6 | |
| 7 #include "ash/ash_switches.h" | |
| 8 #include "ash/shelf/shelf_layout_manager.h" | |
| 9 #include "ash/shelf/shelf_widget.h" | |
| 10 #include "grit/ash_resources.h" | |
| 11 #include "grit/ash_strings.h" | |
| 12 #include "third_party/skia/include/core/SkPaint.h" | |
| 13 #include "third_party/skia/include/core/SkPath.h" | |
| 14 #include "ui/base/animation/throb_animation.h" | |
| 15 #include "ui/base/l10n/l10n_util.h" | |
| 16 #include "ui/base/resource/resource_bundle.h" | |
| 17 #include "ui/gfx/canvas.h" | |
| 18 #include "ui/gfx/image/image_skia_operations.h" | |
| 19 #include "ui/gfx/skbitmap_operations.h" | |
| 20 #include "ui/gfx/skia_util.h" | |
| 21 #include "ui/gfx/transform.h" | |
| 22 #include "ui/views/widget/widget.h" | |
| 23 | |
| 24 namespace ash { | |
| 25 namespace internal { | |
| 26 | |
| 27 namespace { | |
| 28 | |
| 29 const int kButtonHoverAlpha = 150; | |
| 30 | |
| 31 const int kButtonCornerRadius = 2; | |
| 32 | |
| 33 const int kButtonHoverSize = 28; | |
| 34 | |
| 35 const int kBackgroundOffset = (48 - kButtonHoverSize) / 2; | |
| 36 | |
| 37 // Padding from the inner edge of the shelf (towards center of display) to | |
| 38 // the edge of the background image of the overflow button. | |
| 39 const int kImagePaddingFromShelf = 5; | |
| 40 | |
| 41 } // namesapce | |
| 42 | |
| 43 OverflowButton::OverflowButton(views::ButtonListener* listener) | |
| 44 : CustomButton(listener), | |
| 45 bottom_image_(NULL) { | |
| 46 ResourceBundle& rb = ResourceBundle::GetSharedInstance(); | |
| 47 bottom_image_ = rb.GetImageNamed(IDR_AURA_LAUNCHER_OVERFLOW).ToImageSkia(); | |
| 48 | |
| 49 | |
| 50 set_accessibility_focusable(true); | |
| 51 SetAccessibleName(l10n_util::GetStringUTF16(IDS_ASH_SHELF_OVERFLOW_NAME)); | |
| 52 } | |
| 53 | |
| 54 OverflowButton::~OverflowButton() {} | |
| 55 | |
| 56 void OverflowButton::OnShelfAlignmentChanged() { | |
| 57 SchedulePaint(); | |
| 58 } | |
| 59 | |
| 60 void OverflowButton::PaintBackground(gfx::Canvas* canvas, int alpha) { | |
| 61 gfx::Rect bounds(GetContentsBounds()); | |
| 62 gfx::Rect rect(0, 0, kButtonHoverSize, kButtonHoverSize); | |
| 63 ShelfLayoutManager* shelf = | |
| 64 ShelfLayoutManager::ForLauncher(GetWidget()->GetNativeView()); | |
| 65 | |
| 66 // Nudge the background a little to line up right. | |
| 67 if (shelf->IsHorizontalAlignment()) { | |
| 68 rect.set_origin(gfx::Point( | |
| 69 bounds.x() + ((bounds.width() - kButtonHoverSize) / 2) - 1, | |
| 70 bounds.y() + kBackgroundOffset - 1)); | |
| 71 | |
| 72 } else { | |
| 73 rect.set_origin(gfx::Point( | |
| 74 bounds.x() + kBackgroundOffset - 1, | |
| 75 bounds.y() + ((bounds.height() - kButtonHoverSize) / 2) - 1)); | |
| 76 } | |
| 77 | |
| 78 SkPaint paint; | |
| 79 paint.setAntiAlias(true); | |
| 80 paint.setStyle(SkPaint::kFill_Style); | |
| 81 paint.setColor(SkColorSetARGB( | |
| 82 kButtonHoverAlpha * hover_animation_->GetCurrentValue(), | |
| 83 0, 0, 0)); | |
| 84 | |
| 85 const SkScalar radius = SkIntToScalar(kButtonCornerRadius); | |
| 86 SkPath path; | |
| 87 path.addRoundRect(gfx::RectToSkRect(rect), radius, radius); | |
| 88 canvas->DrawPath(path, paint); | |
| 89 } | |
| 90 | |
| 91 void OverflowButton::OnPaint(gfx::Canvas* canvas) { | |
| 92 ShelfLayoutManager* layout_manager = ShelfLayoutManager::ForLauncher( | |
| 93 GetWidget()->GetNativeView()); | |
| 94 ShelfAlignment alignment = layout_manager->GetAlignment(); | |
| 95 | |
| 96 gfx::Rect bounds(GetContentsBounds()); | |
| 97 if (ash::switches::UseAlternateShelfLayout()) { | |
| 98 ResourceBundle& rb = ResourceBundle::GetSharedInstance(); | |
| 99 int background_image_id = 0; | |
| 100 if (layout_manager->shelf_widget()->launcher()->IsShowingOverflowBubble()) | |
| 101 background_image_id = IDR_AURA_NOTIFICATION_BACKGROUND_PRESSED; | |
| 102 else if(layout_manager->shelf_widget()->GetDimsShelf()) | |
| 103 background_image_id = IDR_AURA_NOTIFICATION_BACKGROUND_ON_BLACK; | |
| 104 else | |
| 105 background_image_id = IDR_AURA_NOTIFICATION_BACKGROUND_NORMAL; | |
| 106 | |
| 107 const gfx::ImageSkia* background = | |
| 108 rb.GetImageNamed(background_image_id).ToImageSkia(); | |
| 109 if (alignment == SHELF_ALIGNMENT_LEFT) { | |
| 110 bounds = gfx::Rect( | |
| 111 bounds.right() - background->width() - kImagePaddingFromShelf, | |
| 112 bounds.y() + (bounds.height() - background->height()) / 2, | |
| 113 background->width(), background->height()); | |
| 114 } else if (alignment == SHELF_ALIGNMENT_RIGHT) { | |
| 115 bounds = gfx::Rect( | |
| 116 bounds.x() + kImagePaddingFromShelf, | |
| 117 bounds.y() + (bounds.height() - background->height()) / 2, | |
| 118 background->width(), background->height()); | |
| 119 } else { | |
| 120 bounds = gfx::Rect( | |
| 121 bounds.x() + (bounds.width() - background->width()) / 2, | |
| 122 bounds.y() + kImagePaddingFromShelf, | |
| 123 background->width(), background->height()); | |
| 124 } | |
| 125 canvas->DrawImageInt(*background, bounds.x(), bounds.y()); | |
| 126 } else { | |
| 127 if (alignment == SHELF_ALIGNMENT_BOTTOM) { | |
| 128 bounds = gfx::Rect( | |
| 129 bounds.x() + ((bounds.width() - kButtonHoverSize) / 2) - 1, | |
| 130 bounds.y() + kBackgroundOffset - 1, | |
| 131 kButtonHoverSize, kButtonHoverSize); | |
| 132 } else { | |
| 133 bounds = gfx::Rect( | |
| 134 bounds.x() + kBackgroundOffset -1, | |
| 135 bounds.y() + ((bounds.height() - kButtonHoverSize) / 2) -1, | |
| 136 kButtonHoverSize, kButtonHoverSize); | |
| 137 } | |
| 138 if (hover_animation_->is_animating()) { | |
| 139 PaintBackground( | |
| 140 canvas, | |
| 141 kButtonHoverAlpha * hover_animation_->GetCurrentValue()); | |
| 142 } else if (state() == STATE_HOVERED || state() == STATE_PRESSED) { | |
| 143 PaintBackground(canvas, kButtonHoverAlpha); | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 if (height() < kButtonHoverSize) | |
| 148 return; | |
| 149 | |
| 150 const gfx::ImageSkia* image = NULL; | |
| 151 | |
| 152 switch(alignment) { | |
| 153 case SHELF_ALIGNMENT_LEFT: | |
| 154 if (left_image_.isNull()) { | |
| 155 left_image_ = gfx::ImageSkiaOperations::CreateRotatedImage( | |
| 156 *bottom_image_, SkBitmapOperations::ROTATION_90_CW); | |
| 157 } | |
| 158 image = &left_image_; | |
| 159 break; | |
| 160 case SHELF_ALIGNMENT_RIGHT: | |
| 161 if (right_image_.isNull()) { | |
| 162 right_image_ = gfx::ImageSkiaOperations::CreateRotatedImage( | |
| 163 *bottom_image_, SkBitmapOperations::ROTATION_270_CW); | |
| 164 } | |
| 165 image = &right_image_; | |
| 166 break; | |
| 167 default: | |
| 168 image = bottom_image_; | |
| 169 break; | |
| 170 } | |
| 171 | |
| 172 canvas->DrawImageInt(*image, | |
| 173 bounds.x() + ((bounds.width() - image->width()) / 2), | |
| 174 bounds.y() + ((bounds.height() - image->height()) / 2)); | |
| 175 } | |
| 176 | |
| 177 } // namespace internal | |
| 178 } // namespace ash | |
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Chromium Code Reviews
Issue 23534023:
ash: Minor cleanup, move more files from launcher to shelf. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src