1 // Copyright (c) 2013 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/popup_message.h" 6 7 #include "ash/wm/window_animations.h" 8 #include "grit/ash_resources.h" 9 #include "ui/base/resource/resource_bundle.h" 10 #include "ui/gfx/insets.h" 11 #include "ui/views/bubble/bubble_delegate.h" 12 #include "ui/views/bubble/bubble_frame_view.h" 13 #include "ui/views/controls/image_view.h" 14 #include "ui/views/controls/label.h" 15 #include "ui/views/layout/box_layout.h" 16 #include "ui/views/widget/widget.h" 17 18 namespace ash { 19 namespace { 20 const int kMessageTopBottomMargin = 10; 21 const int kMessageLeftRightMargin = 10; 22 const int kMessageMinHeight = 29 - 2 * kMessageTopBottomMargin; 23 const SkColor kMessageTextColor = SkColorSetRGB(0x22, 0x22, 0x22); 24 25 // The maximum width of the Message bubble. Borrowed the value from 26 // ash/message/message_controller.cc 27 const int kMessageMaxWidth = 250; 28 29 // The offset for the Message bubble - making sure that the bubble is flush 30 // with the shelf. The offset includes the arrow size in pixels as well as 31 // the activation bar and other spacing elements. 32 const int kArrowOffsetLeftRight = 11; 33 const int kArrowOffsetTopBottom = 7; 34 35 // The number of pixels between the icon and the text. 36 const int kHorizontalPopupPaddingBetweenItems = 10; 37 38 // The number of pixels between the text items. 39 const int kVerticalPopupPaddingBetweenItems = 10; 40 } // namespace 41 42 // The implementation of Message of the launcher. 43 class PopupMessage::MessageBubble : public views::BubbleDelegateView { 44 public: 45 MessageBubble(const base::string16& caption, 46 const base::string16& message, 47 IconType message_type, 48 views::View* anchor, 49 views::BubbleBorder::Arrow arrow_orientation, 50 const gfx::Size& size_override, 51 int arrow_offset); 52 53 void Close(); 54 55 private: 56 // views::View overrides: 57 virtual gfx::Size GetPreferredSize() OVERRIDE; 58 59 // Each component (width/height) can force a size override for that component 60 // if not 0. 61 gfx::Size size_override_; 62 63 DISALLOW_COPY_AND_ASSIGN(MessageBubble); 64 }; 65 66 PopupMessage::MessageBubble::MessageBubble(const base::string16& caption, 67 const base::string16& message, 68 IconType message_type, 69 views::View* anchor, 70 views::BubbleBorder::Arrow arrow, 71 const gfx::Size& size_override, 72 int arrow_offset) 73 : views::BubbleDelegateView(anchor, arrow), 74 size_override_(size_override) { 75 gfx::Insets insets = gfx::Insets(kArrowOffsetTopBottom, 76 kArrowOffsetLeftRight, 77 kArrowOffsetTopBottom, 78 kArrowOffsetLeftRight); 79 // An anchor can have an asymmetrical border for spacing reasons. Adjust the 80 // anchor location for this. 81 if (anchor->border()) 82 insets += anchor->border()->GetInsets(); 83 84 set_anchor_view_insets(insets); 85 set_close_on_esc(false); 86 set_close_on_deactivate(false); 87 set_use_focusless(true); 88 set_accept_events(false); 89 90 set_margins(gfx::Insets(kMessageTopBottomMargin, kMessageLeftRightMargin, 91 kMessageTopBottomMargin, kMessageLeftRightMargin)); 92 set_shadow(views::BubbleBorder::SMALL_SHADOW); 93 94 ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance(); 95 SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 96 kHorizontalPopupPaddingBetweenItems)); 97 98 // Here is the layout: 99 // arrow_offset (if not 0) 100 // |-------------| 101 // | ^ 102 // +-------------------------------------------------+ 103 // -| |- 104 // icon | [!] Caption in bold which can be multi line | caption_label 105 // -| |- 106 // | Message text which can be multi line | message_label 107 // | as well. | 108 // | |- 109 // +-------------------------------------------------+ 110 // |------------details container--------------| 111 // Note that the icon, caption and massage are optional. 112 113 // Add the icon to the first column (if there is one). 114 if (message_type != ICON_NONE) { 115 views::ImageView* icon = new views::ImageView(); 116 icon->SetImage( 117 bundle.GetImageNamed(IDR_AURA_WARNING_ICON).ToImageSkia()); 118 icon->SetVerticalAlignment(views::ImageView::LEADING); 119 AddChildView(icon); 120 } 121 122 // Create a container for the text items and use it as second column. 123 views::View* details = new views::View(); 124 AddChildView(details); 125 details->SetLayoutManager(new views::BoxLayout( 126 views::BoxLayout::kVertical, 0, 0, kVerticalPopupPaddingBetweenItems)); 127 128 // The caption label. 129 if (!caption.empty()) { 130 views::Label* caption_label = new views::Label(caption); 131 caption_label->SetMultiLine(true); 132 caption_label->SetHorizontalAlignment(gfx::ALIGN_LEFT); 133 caption_label->SetFont(bundle.GetFont(ui::ResourceBundle::BoldFont)); 134 caption_label->SetEnabledColor(kMessageTextColor); 135 details->AddChildView(caption_label); 136 } 137 138 // The message label. 139 if (!message.empty()) { 140 views::Label* message_label = new views::Label(message); 141 message_label->SetMultiLine(true); 142 message_label->SetHorizontalAlignment(gfx::ALIGN_LEFT); 143 message_label->SetEnabledColor(kMessageTextColor); 144 details->AddChildView(message_label); 145 } 146 views::BubbleDelegateView::CreateBubble(this); 147 148 // Change the arrow offset if needed. 149 if (arrow_offset) { 150 // With the creation of the bubble, the bubble got already placed (and 151 // possibly re-oriented to fit on the screen). Since it is not possible to 152 // set the arrow offset before the creation, we need to set the offset, 153 // and the orientation variables again and force a re-placement. 154 GetBubbleFrameView()->bubble_border()->set_arrow_offset(arrow_offset); 155 GetBubbleFrameView()->bubble_border()->set_arrow(arrow); 156 SetAlignment(views::BubbleBorder::ALIGN_ARROW_TO_MID_ANCHOR); 157 } 158 } 159 160 void PopupMessage::MessageBubble::Close() { 161 if (GetWidget()) 162 GetWidget()->Close(); 163 } 164 165 gfx::Size PopupMessage::MessageBubble::GetPreferredSize() { 166 gfx::Size pref_size = views::BubbleDelegateView::GetPreferredSize(); 167 // Override the size with either the provided size or adjust it to not 168 // violate our minimum / maximum sizes. 169 if (size_override_.height()) 170 pref_size.set_height(size_override_.height()); 171 else if (pref_size.height() < kMessageMinHeight) 172 pref_size.set_height(kMessageMinHeight); 173 174 if (size_override_.width()) 175 pref_size.set_width(size_override_.width()); 176 else if (pref_size.width() > kMessageMaxWidth) 177 pref_size.set_width(kMessageMaxWidth); 178 179 return pref_size; 180 } 181 182 PopupMessage::PopupMessage(const base::string16& caption, 183 const base::string16& message, 184 IconType message_type, 185 views::View* anchor, 186 views::BubbleBorder::Arrow arrow, 187 const gfx::Size& size_override, 188 int arrow_offset) 189 : view_(NULL) { 190 view_ = new MessageBubble( 191 caption, message, message_type, anchor, arrow, size_override, 192 arrow_offset); 193 widget_ = view_->GetWidget(); 194 195 gfx::NativeView native_view = widget_->GetNativeView(); 196 views::corewm::SetWindowVisibilityAnimationType( 197 native_view, views::corewm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL); 198 views::corewm::SetWindowVisibilityAnimationTransition( 199 native_view, views::corewm::ANIMATE_HIDE); 200 view_->GetWidget()->Show(); 201 } 202 203 PopupMessage::~PopupMessage() { 204 CancelHidingAnimation(); 205 Close(); 206 } 207 208 void PopupMessage::Close() { 209 if (view_) { 210 view_->Close(); 211 view_ = NULL; 212 widget_ = NULL; 213 } 214 } 215 216 void PopupMessage::CancelHidingAnimation() { 217 if (!widget_ || !widget_->GetNativeView()) 218 return; 219 220 gfx::NativeView native_view = widget_->GetNativeView(); 221 views::corewm::SetWindowVisibilityAnimationTransition( 222 native_view, views::corewm::ANIMATE_NONE); 223 } 224 225 } // namespace ash 226
