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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/ui/browser_instant_controller.h" | 5 #include "chrome/browser/ui/browser_instant_controller.h" |
6 | 6 |
| 7 #include "base/string_number_conversions.h" |
| 8 #include "base/stringprintf.h" |
| 9 #include "base/utf_string_conversions.h" |
7 #include "chrome/browser/browser_shutdown.h" | 10 #include "chrome/browser/browser_shutdown.h" |
8 #include "chrome/browser/extensions/extension_service.h" | 11 #include "chrome/browser/extensions/extension_service.h" |
9 #include "chrome/browser/instant/instant_controller.h" | 12 #include "chrome/browser/instant/instant_controller.h" |
10 #include "chrome/browser/prefs/pref_service.h" | 13 #include "chrome/browser/prefs/pref_service.h" |
11 #include "chrome/browser/profiles/profile.h" | 14 #include "chrome/browser/profiles/profile.h" |
| 15 #include "chrome/browser/themes/theme_service.h" |
| 16 #include "chrome/browser/themes/theme_service_factory.h" |
12 #include "chrome/browser/ui/browser.h" | 17 #include "chrome/browser/ui/browser.h" |
13 #include "chrome/browser/ui/browser_tabstrip.h" | 18 #include "chrome/browser/ui/browser_tabstrip.h" |
14 #include "chrome/browser/ui/browser_window.h" | 19 #include "chrome/browser/ui/browser_window.h" |
15 #include "chrome/browser/ui/omnibox/location_bar.h" | 20 #include "chrome/browser/ui/omnibox/location_bar.h" |
16 #include "chrome/browser/ui/search/search_model.h" | 21 #include "chrome/browser/ui/search/search_model.h" |
17 #include "chrome/browser/ui/search/search_tab_helper.h" | 22 #include "chrome/browser/ui/search/search_tab_helper.h" |
18 #include "chrome/browser/ui/tabs/tab_strip_model.h" | 23 #include "chrome/browser/ui/tabs/tab_strip_model.h" |
19 #include "chrome/browser/ui/tab_contents/tab_contents.h" | 24 #include "chrome/browser/ui/tab_contents/tab_contents.h" |
20 #include "chrome/browser/ui/webui/ntp/app_launcher_handler.h" | 25 #include "chrome/browser/ui/webui/ntp/app_launcher_handler.h" |
21 #include "chrome/common/chrome_notification_types.h" | 26 #include "chrome/common/chrome_notification_types.h" |
22 #include "chrome/common/pref_names.h" | 27 #include "chrome/common/pref_names.h" |
23 #include "content/public/browser/notification_service.h" | 28 #include "content/public/browser/notification_service.h" |
24 #include "content/public/browser/web_contents.h" | 29 #include "content/public/browser/web_contents.h" |
| 30 #include "grit/theme_resources.h" |
| 31 #include "ui/base/theme_provider.h" |
| 32 #include "ui/gfx/color_utils.h" |
| 33 #include "ui/gfx/sys_color_change_listener.h" |
| 34 |
25 | 35 |
26 namespace { | 36 namespace { |
27 | 37 |
| 38 const char kCSSBackgroundImageFormat[] = |
| 39 "-webkit-image-set(url(chrome://theme/IDR_THEME_BACKGROUND?%s) 1x)"; |
| 40 |
| 41 const char kCSSBackgroundColorFormat[] = "rgba(%d,%d,%d,%s)"; |
| 42 |
28 // Returns true iff the search model for |tab| is in an NTP state, that is, a | 43 // Returns true iff the search model for |tab| is in an NTP state, that is, a |
29 // state in which the Instant overlay may be showing custom NTP content in | 44 // state in which the Instant overlay may be showing custom NTP content in |
30 // EXTENDED mode. | 45 // EXTENDED mode. |
31 bool IsSearchModelNTP(content::WebContents* tab) { | 46 bool IsSearchModelNTP(content::WebContents* tab) { |
32 if (!tab) | 47 if (!tab) |
33 return false; | 48 return false; |
34 chrome::search::SearchModel* model = | 49 chrome::search::SearchModel* model = |
35 chrome::search::SearchTabHelper::FromWebContents(tab)->model(); | 50 chrome::search::SearchTabHelper::FromWebContents(tab)->model(); |
36 return model && model->mode().is_ntp(); | 51 return model && model->mode().is_ntp(); |
37 } | 52 } |
38 | 53 |
39 } // namespace | 54 } // namespace |
40 | 55 |
41 namespace chrome { | 56 namespace chrome { |
42 | 57 |
43 //////////////////////////////////////////////////////////////////////////////// | 58 //////////////////////////////////////////////////////////////////////////////// |
44 // BrowserInstantController, public: | 59 // BrowserInstantController, public: |
45 | 60 |
46 BrowserInstantController::BrowserInstantController(Browser* browser) | 61 BrowserInstantController::BrowserInstantController(Browser* browser) |
47 : browser_(browser), | 62 : browser_(browser), |
48 instant_unload_handler_(browser) { | 63 instant_unload_handler_(browser), |
| 64 theme_image_alignment_(0), |
| 65 theme_area_height_(0) { |
49 profile_pref_registrar_.Init(browser_->profile()->GetPrefs()); | 66 profile_pref_registrar_.Init(browser_->profile()->GetPrefs()); |
50 profile_pref_registrar_.Add(prefs::kInstantEnabled, this); | 67 profile_pref_registrar_.Add(prefs::kInstantEnabled, this); |
51 ResetInstant(); | 68 ResetInstant(); |
52 browser_->tab_strip_model()->AddObserver(this); | 69 browser_->tab_strip_model()->AddObserver(this); |
53 browser_->search_model()->AddObserver(this); | 70 browser_->search_model()->AddObserver(this); |
| 71 |
| 72 #if defined(ENABLE_THEMES) |
| 73 // Listen for theme installation. |
| 74 registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED, |
| 75 content::Source<ThemeService>( |
| 76 ThemeServiceFactory::GetForProfile(browser_->profile()))); |
| 77 #endif // defined(ENABLE_THEMES) |
54 } | 78 } |
55 | 79 |
56 BrowserInstantController::~BrowserInstantController() { | 80 BrowserInstantController::~BrowserInstantController() { |
57 browser_->tab_strip_model()->RemoveObserver(this); | 81 browser_->tab_strip_model()->RemoveObserver(this); |
58 browser_->search_model()->RemoveObserver(this); | 82 browser_->search_model()->RemoveObserver(this); |
59 } | 83 } |
60 | 84 |
61 bool BrowserInstantController::OpenInstant(WindowOpenDisposition disposition) { | 85 bool BrowserInstantController::OpenInstant(WindowOpenDisposition disposition) { |
62 // NEW_BACKGROUND_TAB results in leaving the omnibox open, so we don't attempt | 86 // NEW_BACKGROUND_TAB results in leaving the omnibox open, so we don't attempt |
63 // to use the Instant preview. | 87 // to use the Instant preview. |
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112 void BrowserInstantController::InstantPreviewFocused() { | 136 void BrowserInstantController::InstantPreviewFocused() { |
113 // NOTE: This is only invoked on aura. | 137 // NOTE: This is only invoked on aura. |
114 browser_->window()->WebContentsFocused( | 138 browser_->window()->WebContentsFocused( |
115 instant_->GetPreviewContents()->web_contents()); | 139 instant_->GetPreviewContents()->web_contents()); |
116 } | 140 } |
117 | 141 |
118 TabContents* BrowserInstantController::GetActiveTabContents() const { | 142 TabContents* BrowserInstantController::GetActiveTabContents() const { |
119 return chrome::GetActiveTabContents(browser_); | 143 return chrome::GetActiveTabContents(browser_); |
120 } | 144 } |
121 | 145 |
| 146 void BrowserInstantController::SetContentHeight(int height) { |
| 147 OnThemeAreaHeightChanged(height); |
| 148 } |
| 149 |
| 150 void BrowserInstantController::UpdateThemeRelatedInfoForPreview() { |
| 151 // Update theme info. |
| 152 // |theme_info_.color_rgba| must always be filled, so if it's empty, |
| 153 // |theme_info_| hasn't been initialized. |
| 154 if (theme_info_.color_rgba.length() == 0) |
| 155 OnThemeChanged(ThemeServiceFactory::GetForProfile(browser_->profile())); |
| 156 else |
| 157 instant_->OnThemeChanged(theme_info_); |
| 158 |
| 159 // Update theme area height. |
| 160 OnThemeAreaHeightChanged(theme_area_height_); |
| 161 } |
| 162 |
122 //////////////////////////////////////////////////////////////////////////////// | 163 //////////////////////////////////////////////////////////////////////////////// |
123 // BrowserInstantController, PrefObserver implementation: | 164 // BrowserInstantController, PrefObserver implementation: |
124 | 165 |
125 void BrowserInstantController::OnPreferenceChanged( | 166 void BrowserInstantController::OnPreferenceChanged( |
126 PrefServiceBase* service, | 167 PrefServiceBase* service, |
127 const std::string& pref_name) { | 168 const std::string& pref_name) { |
128 DCHECK_EQ(std::string(prefs::kInstantEnabled), pref_name); | 169 DCHECK_EQ(std::string(prefs::kInstantEnabled), pref_name); |
129 ResetInstant(); | 170 ResetInstant(); |
130 } | 171 } |
131 | 172 |
(...skipping 13 matching lines...) Expand all Loading... |
145 if (!(old_is_ntp && new_is_ntp)) | 186 if (!(old_is_ntp && new_is_ntp)) |
146 instant()->Hide(); | 187 instant()->Hide(); |
147 } | 188 } |
148 } | 189 } |
149 | 190 |
150 //////////////////////////////////////////////////////////////////////////////// | 191 //////////////////////////////////////////////////////////////////////////////// |
151 // BrowserInstantController, search::SearchModelObserver implementation: | 192 // BrowserInstantController, search::SearchModelObserver implementation: |
152 | 193 |
153 void BrowserInstantController::ModeChanged(const search::Mode& old_mode, | 194 void BrowserInstantController::ModeChanged(const search::Mode& old_mode, |
154 const search::Mode& new_mode) { | 195 const search::Mode& new_mode) { |
155 if (instant()) | 196 if (instant()) { |
156 instant_->OnActiveTabModeChanged(new_mode); | 197 instant_->OnActiveTabModeChanged(new_mode); |
| 198 |
| 199 // If mode is now |NTP|, send theme-related information to instant. |
| 200 if (new_mode.is_ntp()) { |
| 201 instant_->OnThemeChanged(theme_info_); |
| 202 OnThemeAreaHeightChanged(theme_area_height_); |
| 203 } |
| 204 } |
157 } | 205 } |
158 | 206 |
159 //////////////////////////////////////////////////////////////////////////////// | 207 //////////////////////////////////////////////////////////////////////////////// |
160 // BrowserInstantController, private: | 208 // BrowserInstantController, private: |
161 | 209 |
| 210 void BrowserInstantController::Observe( |
| 211 int type, |
| 212 const content::NotificationSource& source, |
| 213 const content::NotificationDetails& details) { |
| 214 #if defined(ENABLE_THEMES) |
| 215 DCHECK_EQ(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, type); |
| 216 OnThemeChanged(content::Source<ThemeService>(source).ptr()); |
| 217 #endif // defined(ENABLE_THEMES) |
| 218 } |
| 219 |
162 void BrowserInstantController::ResetInstant() { | 220 void BrowserInstantController::ResetInstant() { |
163 instant_.reset( | 221 instant_.reset( |
164 !browser_shutdown::ShuttingDownWithoutClosingBrowsers() && | 222 !browser_shutdown::ShuttingDownWithoutClosingBrowsers() && |
165 browser_->is_type_tabbed() ? | 223 browser_->is_type_tabbed() ? |
166 InstantController::CreateInstant(browser_->profile(), this) : NULL); | 224 InstantController::CreateInstant(browser_->profile(), this) : NULL); |
167 | 225 |
168 // Notify any observers that they need to reset. | 226 // Notify any observers that they need to reset. |
169 content::NotificationService::current()->Notify( | 227 content::NotificationService::current()->Notify( |
170 chrome::NOTIFICATION_BROWSER_INSTANT_RESET, | 228 chrome::NOTIFICATION_BROWSER_INSTANT_RESET, |
171 content::Source<BrowserInstantController>(this), | 229 content::Source<BrowserInstantController>(this), |
172 content::NotificationService::NoDetails()); | 230 content::NotificationService::NoDetails()); |
173 } | 231 } |
174 | 232 |
| 233 void BrowserInstantController::OnThemeChanged( |
| 234 ui::ThemeProvider* theme_provider) { |
| 235 theme_info_ = ThemeBackgroundInfo(); |
| 236 theme_image_alignment_ = 0; |
| 237 |
| 238 // Set theme background color. |
| 239 SkColor background_color = |
| 240 theme_provider->GetColor(ThemeService::COLOR_NTP_BACKGROUND); |
| 241 if (gfx::IsInvertedColorScheme()) |
| 242 background_color = color_utils::InvertColor(background_color); |
| 243 theme_info_.color_rgba = UTF8ToUTF16( |
| 244 // Convert the alpha using DoubleToString because StringPrintf will use |
| 245 // locale specific formatters (e.g., use , instead of . in German). |
| 246 base::StringPrintf( |
| 247 kCSSBackgroundColorFormat, |
| 248 SkColorGetR(background_color), |
| 249 SkColorGetG(background_color), |
| 250 SkColorGetB(background_color), |
| 251 base::DoubleToString(SkColorGetA(background_color) / 255.0).c_str())); |
| 252 |
| 253 if (theme_provider->HasCustomImage(IDR_THEME_NTP_BACKGROUND)) { |
| 254 // Set theme background image url. |
| 255 theme_info_.image_url = UTF8ToUTF16( |
| 256 base::StringPrintf(kCSSBackgroundImageFormat, |
| 257 browser_->profile()->GetPrefs()->GetString( |
| 258 prefs::kCurrentThemeID).c_str())); |
| 259 |
| 260 // Set theme background image horizontal alignment. |
| 261 theme_provider->GetDisplayProperty( |
| 262 ThemeService::NTP_BACKGROUND_ALIGNMENT, &theme_image_alignment_); |
| 263 std::string alignment; |
| 264 if (theme_image_alignment_ & ThemeService::ALIGN_LEFT) |
| 265 alignment = ThemeService::kAlignmentLeft; |
| 266 else if (theme_image_alignment_& ThemeService::ALIGN_RIGHT) |
| 267 alignment = ThemeService::kAlignmentRight; |
| 268 else // ALIGN_CENTER |
| 269 alignment = ThemeService::kAlignmentCenter; |
| 270 theme_info_.image_horizontal_alignment = UTF8ToUTF16(alignment); |
| 271 |
| 272 // Set theme background image vertical alignment. |
| 273 if (theme_image_alignment_& ThemeService::ALIGN_TOP) |
| 274 alignment = ThemeService::kAlignmentTop; |
| 275 else if (theme_image_alignment_& ThemeService::ALIGN_BOTTOM) |
| 276 alignment = ThemeService::kAlignmentBottom; |
| 277 else // ALIGN_CENTER |
| 278 alignment = ThemeService::kAlignmentCenter; |
| 279 theme_info_.image_vertical_alignment = UTF8ToUTF16(alignment); |
| 280 |
| 281 // Set tiling of theme background image. |
| 282 int repeat_mode = 0; |
| 283 theme_provider->GetDisplayProperty( |
| 284 ThemeService::NTP_BACKGROUND_TILING, &repeat_mode); |
| 285 theme_info_.image_tiling = UTF8ToUTF16( |
| 286 ThemeService::TilingToString(repeat_mode)); |
| 287 } |
| 288 |
| 289 if (instant() && browser_->search_model()->mode().is_ntp()) { |
| 290 instant()->OnThemeChanged(theme_info_); |
| 291 |
| 292 // Theme area height is only sent to preview for non-top-aligned images; |
| 293 // new theme may have a different alignment that requires preview to know |
| 294 // theme area height. |
| 295 OnThemeAreaHeightChanged(theme_area_height_); |
| 296 } |
| 297 } |
| 298 |
| 299 void BrowserInstantController::OnThemeAreaHeightChanged(int height) { |
| 300 theme_area_height_ = height; |
| 301 |
| 302 // Notify preview if mode is |NTP| and theme background image is not top- |
| 303 // aligned; top-aligned images don't need theme area height to determine which |
| 304 // part of the image overlay should draw, 'cos the origin is top-left. |
| 305 |
| 306 if (!(instant() && browser_->search_model()->mode().is_ntp() && |
| 307 theme_info_.image_url.length() > 0)) { |
| 308 return; |
| 309 } |
| 310 |
| 311 bool notify = false; |
| 312 if (theme_image_alignment_ & ThemeService::ALIGN_TOP) |
| 313 notify = false; |
| 314 else if (theme_image_alignment_ & ThemeService::ALIGN_BOTTOM) |
| 315 notify = true; |
| 316 else // ALIGN_CENTER |
| 317 notify = true; |
| 318 if (notify) |
| 319 instant()->OnThemeAreaHeightChanged(theme_area_height_); |
| 320 } |
| 321 |
175 } // namespace chrome | 322 } // namespace chrome |
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