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/ime/infolist_window.h" 6 7 #include <string> 8 #include <vector> 9 10 #include "ash/ime/candidate_window_constants.h" 11 #include "base/logging.h" 12 #include "grit/ash_strings.h" 13 #include "ui/base/l10n/l10n_util.h" 14 #include "ui/gfx/color_utils.h" 15 #include "ui/native_theme/native_theme.h" 16 #include "ui/views/background.h" 17 #include "ui/views/border.h" 18 #include "ui/views/bubble/bubble_border.h" 19 #include "ui/views/bubble/bubble_frame_view.h" 20 #include "ui/views/controls/label.h" 21 #include "ui/views/layout/box_layout.h" 22 #include "ui/views/widget/widget.h" 23 #include "ui/wm/core/window_animations.h" 24 25 namespace ash { 26 namespace ime { 27 28 namespace { 29 // The width of an info-list. 30 const int kInfolistEntryWidth = 200; 31 32 // The milliseconds of the delay to show the infolist window. 33 const int kInfolistShowDelayMilliSeconds = 500; 34 // The milliseconds of the delay to hide the infolist window. 35 const int kInfolistHideDelayMilliSeconds = 500; 36 37 /////////////////////////////////////////////////////////////////////////////// 38 // InfolistBorder 39 // The BubbleBorder subclass to draw the border and determine its position. 40 class InfolistBorder : public views::BubbleBorder { 41 public: 42 InfolistBorder(); 43 virtual ~InfolistBorder(); 44 45 // views::BubbleBorder implementation. 46 virtual gfx::Rect GetBounds(const gfx::Rect& anchor_rect, 47 const gfx::Size& contents_size) const OVERRIDE; 48 virtual gfx::Insets GetInsets() const OVERRIDE; 49 50 private: 51 DISALLOW_COPY_AND_ASSIGN(InfolistBorder); 52 }; 53 54 InfolistBorder::InfolistBorder() 55 : views::BubbleBorder(views::BubbleBorder::LEFT_CENTER, 56 views::BubbleBorder::NO_SHADOW, 57 SK_ColorTRANSPARENT) { 58 set_paint_arrow(views::BubbleBorder::PAINT_NONE); 59 } 60 61 InfolistBorder::~InfolistBorder() {} 62 63 gfx::Rect InfolistBorder::GetBounds(const gfx::Rect& anchor_rect, 64 const gfx::Size& contents_size) const { 65 gfx::Rect bounds(contents_size); 66 bounds.set_x(is_arrow_on_left(arrow()) ? 67 anchor_rect.right() : anchor_rect.x() - contents_size.width()); 68 // InfolistBorder modifies the vertical position based on the arrow offset 69 // although it doesn't draw the arrow. The arrow offset is the half of 70 // |contents_size| by default but can be modified through the off-screen logic 71 // in BubbleFrameView. 72 bounds.set_y(anchor_rect.y() + contents_size.height() / 2 - 73 GetArrowOffset(contents_size)); 74 return bounds; 75 } 76 77 gfx::Insets InfolistBorder::GetInsets() const { 78 // This has to be specified and return empty insets to place the infolist 79 // window without the gap. 80 return gfx::Insets(); 81 } 82 83 } // namespace 84 85 // InfolistRow renderes a row of a infolist. 86 class InfolistEntryView : public views::View { 87 public: 88 InfolistEntryView(const ui::InfolistEntry& entry, 89 const gfx::FontList& title_font_list, 90 const gfx::FontList& description_font_list); 91 virtual ~InfolistEntryView(); 92 93 void SetEntry(const ui::InfolistEntry& entry); 94 95 private: 96 // views::View implementation. 97 virtual gfx::Size GetPreferredSize() const OVERRIDE; 98 99 void UpdateBackground(); 100 101 ui::InfolistEntry entry_; 102 103 // The title label. Owned by views hierarchy. 104 views::Label* title_label_; 105 106 // The description label. Owned by views hierarchy. 107 views::Label* description_label_; 108 109 DISALLOW_COPY_AND_ASSIGN(InfolistEntryView); 110 }; 111 112 InfolistEntryView::InfolistEntryView(const ui::InfolistEntry& entry, 113 const gfx::FontList& title_font_list, 114 const gfx::FontList& description_font_list) 115 : entry_(entry) { 116 SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 0)); 117 118 title_label_ = new views::Label(entry.title, title_font_list); 119 title_label_->SetPosition(gfx::Point(0, 0)); 120 title_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT); 121 title_label_->SetBorder(views::Border::CreateEmptyBorder(4, 7, 2, 4)); 122 123 description_label_ = new views::Label(entry.body, description_font_list); 124 description_label_->SetPosition(gfx::Point(0, 0)); 125 description_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT); 126 description_label_->SetMultiLine(true); 127 description_label_->SizeToFit(kInfolistEntryWidth); 128 description_label_->SetBorder(views::Border::CreateEmptyBorder(2, 17, 4, 4)); 129 AddChildView(title_label_); 130 AddChildView(description_label_); 131 UpdateBackground(); 132 } 133 134 InfolistEntryView::~InfolistEntryView() {} 135 136 void InfolistEntryView::SetEntry(const ui::InfolistEntry& entry) { 137 if (entry_ == entry) 138 return; 139 140 entry_ = entry; 141 title_label_->SetText(entry_.title); 142 description_label_->SetText(entry_.body); 143 UpdateBackground(); 144 } 145 146 gfx::Size InfolistEntryView::GetPreferredSize() const { 147 return gfx::Size(kInfolistEntryWidth, GetHeightForWidth(kInfolistEntryWidth)); 148 } 149 150 void InfolistEntryView::UpdateBackground() { 151 if (entry_.highlighted) { 152 set_background( 153 views::Background::CreateSolidBackground(GetNativeTheme()->GetSystemColor( 154 ui::NativeTheme::kColorId_TextfieldSelectionBackgroundFocused))); 155 SetBorder(views::Border::CreateSolidBorder( 156 1, 157 GetNativeTheme()->GetSystemColor( 158 ui::NativeTheme::kColorId_FocusedBorderColor))); 159 } else { 160 set_background(NULL); 161 SetBorder(views::Border::CreateEmptyBorder(1, 1, 1, 1)); 162 } 163 SchedulePaint(); 164 } 165 166 /////////////////////////////////////////////////////////////////////////////// 167 // InfolistWindow 168 169 InfolistWindow::InfolistWindow(views::View* candidate_window, 170 const std::vector<ui::InfolistEntry>& entries) 171 : views::BubbleDelegateView(candidate_window, views::BubbleBorder::NONE), 172 title_font_list_(gfx::Font(kJapaneseFontName, kFontSizeDelta + 15)), 173 description_font_list_(gfx::Font(kJapaneseFontName, 174 kFontSizeDelta + 11)) { 175 set_can_activate(false); 176 set_accept_events(false); 177 set_margins(gfx::Insets()); 178 179 set_background( 180 views::Background::CreateSolidBackground(GetNativeTheme()->GetSystemColor( 181 ui::NativeTheme::kColorId_WindowBackground))); 182 SetBorder(views::Border::CreateSolidBorder( 183 1, 184 GetNativeTheme()->GetSystemColor( 185 ui::NativeTheme::kColorId_MenuBorderColor))); 186 187 SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 0)); 188 189 views::Label* caption_label = new views::Label( 190 l10n_util::GetStringUTF16(IDS_ASH_IME_INFOLIST_WINDOW_TITLE)); 191 caption_label->SetHorizontalAlignment(gfx::ALIGN_LEFT); 192 caption_label->SetEnabledColor(GetNativeTheme()->GetSystemColor( 193 ui::NativeTheme::kColorId_LabelEnabledColor)); 194 caption_label->SetBorder(views::Border::CreateEmptyBorder(2, 2, 2, 2)); 195 caption_label->set_background(views::Background::CreateSolidBackground( 196 color_utils::AlphaBlend(SK_ColorBLACK, 197 GetNativeTheme()->GetSystemColor( 198 ui::NativeTheme::kColorId_WindowBackground), 199 0x10))); 200 201 AddChildView(caption_label); 202 203 for (size_t i = 0; i < entries.size(); ++i) { 204 entry_views_.push_back(new InfolistEntryView( 205 entries[i], title_font_list_, description_font_list_)); 206 AddChildView(entry_views_.back()); 207 } 208 } 209 210 InfolistWindow::~InfolistWindow() { 211 } 212 213 void InfolistWindow::InitWidget() { 214 views::Widget* widget = views::BubbleDelegateView::CreateBubble(this); 215 wm::SetWindowVisibilityAnimationType( 216 widget->GetNativeView(), 217 wm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE); 218 219 // BubbleFrameView will be initialized through CreateBubble. 220 GetBubbleFrameView()->SetBubbleBorder( 221 scoped_ptr<views::BubbleBorder>(new InfolistBorder())); 222 SizeToContents(); 223 } 224 225 void InfolistWindow::Relayout(const std::vector<ui::InfolistEntry>& entries) { 226 size_t i = 0; 227 for (; i < entries.size(); ++i) { 228 if (i < entry_views_.size()) { 229 entry_views_[i]->SetEntry(entries[i]); 230 } else { 231 InfolistEntryView* new_entry = new InfolistEntryView( 232 entries[i], title_font_list_, description_font_list_); 233 AddChildView(new_entry); 234 entry_views_.push_back(new_entry); 235 } 236 } 237 238 if (i < entry_views_.size()) { 239 for (; i < entry_views_.size(); ++i) 240 delete entry_views_[i]; 241 entry_views_.resize(entries.size()); 242 } 243 244 Layout(); 245 GetBubbleFrameView()->bubble_border()->set_arrow_offset(0); 246 SizeToContents(); 247 } 248 249 void InfolistWindow::ShowWithDelay() { 250 show_hide_timer_.Start( 251 FROM_HERE, 252 base::TimeDelta::FromMilliseconds(kInfolistShowDelayMilliSeconds), 253 GetWidget(), 254 &views::Widget::Show); 255 } 256 257 void InfolistWindow::HideWithDelay() { 258 show_hide_timer_.Start( 259 FROM_HERE, 260 base::TimeDelta::FromMilliseconds(kInfolistHideDelayMilliSeconds), 261 GetWidget(), 262 &views::Widget::Close); 263 } 264 265 void InfolistWindow::ShowImmediately() { 266 show_hide_timer_.Stop(); 267 GetWidget()->Show(); 268 } 269 270 void InfolistWindow::HideImmediately() { 271 show_hide_timer_.Stop(); 272 GetWidget()->Close(); 273 } 274 275 void InfolistWindow::WindowClosing() { 276 show_hide_timer_.Stop(); 277 } 278 279 } // namespace ime 280 } // namespace ash 281