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
InfolistBorder()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
~InfolistBorder()61 InfolistBorder::~InfolistBorder() {}
62
GetBounds(const gfx::Rect & anchor_rect,const gfx::Size & contents_size) const63 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
GetInsets() const77 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
InfolistEntryView(const ui::InfolistEntry & entry,const gfx::FontList & title_font_list,const gfx::FontList & description_font_list)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
~InfolistEntryView()134 InfolistEntryView::~InfolistEntryView() {}
135
SetEntry(const ui::InfolistEntry & entry)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
GetPreferredSize() const146 gfx::Size InfolistEntryView::GetPreferredSize() const {
147 return gfx::Size(kInfolistEntryWidth, GetHeightForWidth(kInfolistEntryWidth));
148 }
149
UpdateBackground()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
InfolistWindow(views::View * candidate_window,const std::vector<ui::InfolistEntry> & entries)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_use_focusless(true);
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
~InfolistWindow()210 InfolistWindow::~InfolistWindow() {
211 }
212
InitWidget()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
Relayout(const std::vector<ui::InfolistEntry> & entries)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
ShowWithDelay()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
HideWithDelay()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
ShowImmediately()265 void InfolistWindow::ShowImmediately() {
266 show_hide_timer_.Stop();
267 GetWidget()->Show();
268 }
269
HideImmediately()270 void InfolistWindow::HideImmediately() {
271 show_hide_timer_.Stop();
272 GetWidget()->Close();
273 }
274
WindowClosing()275 void InfolistWindow::WindowClosing() {
276 show_hide_timer_.Stop();
277 }
278
279 } // namespace ime
280 } // namespace ash
281