create_application_shortcut_view.cc revision 7dbb3d5cf0c15f500944d211057644d6a2f37371
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 "chrome/browser/ui/views/create_application_shortcut_view.h" 6 7#include <algorithm> 8 9#include "base/bind.h" 10#include "base/bind_helpers.h" 11#include "base/prefs/pref_service.h" 12#include "base/strings/utf_string_conversions.h" 13#include "base/win/windows_version.h" 14#include "chrome/browser/extensions/tab_helper.h" 15#include "chrome/browser/favicon/favicon_util.h" 16#include "chrome/browser/history/select_favicon_frames.h" 17#include "chrome/browser/profiles/profile.h" 18#include "chrome/browser/ui/browser.h" 19#include "chrome/browser/ui/browser_commands.h" 20#include "chrome/browser/ui/browser_finder.h" 21#include "chrome/browser/ui/views/constrained_window_views.h" 22#include "chrome/browser/ui/web_applications/web_app_ui.h" 23#include "chrome/browser/ui/webui/extensions/extension_icon_source.h" 24#include "chrome/common/chrome_constants.h" 25#include "chrome/common/extensions/extension.h" 26#include "chrome/common/pref_names.h" 27#include "content/public/browser/render_view_host.h" 28#include "content/public/browser/render_widget_host_view.h" 29#include "content/public/browser/web_contents.h" 30#include "grit/chromium_strings.h" 31#include "grit/generated_resources.h" 32#include "grit/locale_settings.h" 33#include "grit/theme_resources.h" 34#include "net/base/load_flags.h" 35#include "net/url_request/url_request.h" 36#include "skia/ext/image_operations.h" 37#include "third_party/skia/include/core/SkBitmap.h" 38#include "third_party/skia/include/core/SkPaint.h" 39#include "third_party/skia/include/core/SkRect.h" 40#include "ui/base/l10n/l10n_util.h" 41#include "ui/base/layout.h" 42#include "ui/base/resource/resource_bundle.h" 43#include "ui/gfx/canvas.h" 44#include "ui/gfx/codec/png_codec.h" 45#include "ui/gfx/image/image_family.h" 46#include "ui/gfx/image/image_skia.h" 47#include "ui/views/controls/button/checkbox.h" 48#include "ui/views/controls/image_view.h" 49#include "ui/views/controls/label.h" 50#include "ui/views/layout/grid_layout.h" 51#include "ui/views/layout/layout_constants.h" 52#include "ui/views/widget/widget.h" 53#include "ui/views/window/dialog_client_view.h" 54#include "url/gurl.h" 55 56namespace { 57 58const int kIconPreviewSizePixels = 32; 59 60// AppInfoView shows the application icon and title. 61class AppInfoView : public views::View { 62 public: 63 AppInfoView(const string16& title, 64 const string16& description, 65 const gfx::ImageFamily& icon); 66 67 // Updates the title/description of the web app. 68 void UpdateText(const string16& title, const string16& description); 69 70 // Updates the icon of the web app. 71 void UpdateIcon(const gfx::ImageFamily& image); 72 73 // Overridden from views::View: 74 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; 75 76 private: 77 // Initializes the controls 78 void Init(const string16& title, 79 const string16& description, const gfx::ImageFamily& icon); 80 81 // Creates or updates description label. 82 void PrepareDescriptionLabel(const string16& description); 83 84 // Sets up layout manager. 85 void SetupLayout(); 86 87 views::ImageView* icon_; 88 views::Label* title_; 89 views::Label* description_; 90}; 91 92AppInfoView::AppInfoView(const string16& title, 93 const string16& description, 94 const gfx::ImageFamily& icon) 95 : icon_(NULL), 96 title_(NULL), 97 description_(NULL) { 98 Init(title, description, icon); 99} 100 101void AppInfoView::Init(const string16& title_text, 102 const string16& description_text, 103 const gfx::ImageFamily& icon) { 104 icon_ = new views::ImageView(); 105 UpdateIcon(icon); 106 icon_->SetImageSize(gfx::Size(kIconPreviewSizePixels, 107 kIconPreviewSizePixels)); 108 109 title_ = new views::Label(title_text); 110 title_->SetMultiLine(true); 111 title_->SetHorizontalAlignment(gfx::ALIGN_LEFT); 112 title_->SetFont(ui::ResourceBundle::GetSharedInstance().GetFont( 113 ui::ResourceBundle::BaseFont).DeriveFont(0, gfx::Font::BOLD)); 114 115 PrepareDescriptionLabel(description_text); 116 117 SetupLayout(); 118} 119 120void AppInfoView::PrepareDescriptionLabel(const string16& description) { 121 // Do not make space for the description if it is empty. 122 if (description.empty()) 123 return; 124 125 const size_t kMaxLength = 200; 126 const string16 kEllipsis(ASCIIToUTF16(" ... ")); 127 128 string16 text = description; 129 if (text.length() > kMaxLength) { 130 text = text.substr(0, kMaxLength); 131 text += kEllipsis; 132 } 133 134 if (description_) { 135 description_->SetText(text); 136 } else { 137 description_ = new views::Label(text); 138 description_->SetMultiLine(true); 139 description_->SetHorizontalAlignment(gfx::ALIGN_LEFT); 140 } 141} 142 143void AppInfoView::SetupLayout() { 144 views::GridLayout* layout = views::GridLayout::CreatePanel(this); 145 SetLayoutManager(layout); 146 147 static const int kColumnSetId = 0; 148 views::ColumnSet* column_set = layout->AddColumnSet(kColumnSetId); 149 column_set->AddColumn(views::GridLayout::CENTER, views::GridLayout::LEADING, 150 20.0f, views::GridLayout::FIXED, 151 kIconPreviewSizePixels, kIconPreviewSizePixels); 152 column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::CENTER, 153 80.0f, views::GridLayout::USE_PREF, 0, 0); 154 155 layout->StartRow(0, kColumnSetId); 156 layout->AddView(icon_, 1, description_ ? 2 : 1); 157 layout->AddView(title_); 158 159 if (description_) { 160 layout->StartRow(0, kColumnSetId); 161 layout->SkipColumns(1); 162 layout->AddView(description_); 163 } 164} 165 166void AppInfoView::UpdateText(const string16& title, 167 const string16& description) { 168 title_->SetText(title); 169 PrepareDescriptionLabel(description); 170 171 SetupLayout(); 172} 173 174void AppInfoView::UpdateIcon(const gfx::ImageFamily& image) { 175 // Get the icon closest to the desired preview size. 176 const gfx::Image* icon = image.GetBest(kIconPreviewSizePixels, 177 kIconPreviewSizePixels); 178 if (!icon || icon->IsEmpty()) 179 // The family has no icons. Leave the image blank. 180 return; 181 const SkBitmap& bitmap = *icon->ToSkBitmap(); 182 if (bitmap.width() == kIconPreviewSizePixels && 183 bitmap.height() == kIconPreviewSizePixels) { 184 icon_->SetImage(gfx::ImageSkia::CreateFrom1xBitmap(bitmap)); 185 } else { 186 // Resize the image to the desired size. 187 SkBitmap resized_bitmap = skia::ImageOperations::Resize( 188 bitmap, skia::ImageOperations::RESIZE_LANCZOS3, 189 kIconPreviewSizePixels, kIconPreviewSizePixels); 190 191 icon_->SetImage(gfx::ImageSkia::CreateFrom1xBitmap(resized_bitmap)); 192 } 193} 194 195void AppInfoView::OnPaint(gfx::Canvas* canvas) { 196 gfx::Rect bounds = GetLocalBounds(); 197 198 SkRect border_rect = { 199 SkIntToScalar(bounds.x()), 200 SkIntToScalar(bounds.y()), 201 SkIntToScalar(bounds.right()), 202 SkIntToScalar(bounds.bottom()) 203 }; 204 205 SkPaint border_paint; 206 border_paint.setAntiAlias(true); 207 border_paint.setARGB(0xFF, 0xC8, 0xC8, 0xC8); 208 209 canvas->sk_canvas()->drawRoundRect(border_rect, SkIntToScalar(2), 210 SkIntToScalar(2), border_paint); 211 212 SkRect inner_rect = { 213 border_rect.fLeft + SkDoubleToScalar(0.5), 214 border_rect.fTop + SkDoubleToScalar(0.5), 215 border_rect.fRight - SkDoubleToScalar(0.5), 216 border_rect.fBottom - SkDoubleToScalar(0.5), 217 }; 218 219 SkPaint inner_paint; 220 inner_paint.setAntiAlias(true); 221 inner_paint.setARGB(0xFF, 0xF8, 0xF8, 0xF8); 222 canvas->sk_canvas()->drawRoundRect(inner_rect, SkDoubleToScalar(1.5), 223 SkDoubleToScalar(1.5), inner_paint); 224} 225 226} // namespace 227 228namespace chrome { 229 230void ShowCreateWebAppShortcutsDialog(gfx::NativeWindow parent_window, 231 content::WebContents* web_contents) { 232 CreateBrowserModalDialogViews( 233 new CreateUrlApplicationShortcutView(web_contents), 234 parent_window)->Show(); 235} 236 237void ShowCreateChromeAppShortcutsDialog(gfx::NativeWindow parent_window, 238 Profile* profile, 239 const extensions::Extension* app) { 240 CreateBrowserModalDialogViews( 241 new CreateChromeApplicationShortcutView(profile, app), 242 parent_window)->Show(); 243} 244 245} // namespace chrome 246 247CreateApplicationShortcutView::CreateApplicationShortcutView(Profile* profile) 248 : profile_(profile), 249 app_info_(NULL), 250 create_shortcuts_label_(NULL), 251 desktop_check_box_(NULL), 252 menu_check_box_(NULL), 253 quick_launch_check_box_(NULL) {} 254 255CreateApplicationShortcutView::~CreateApplicationShortcutView() {} 256 257void CreateApplicationShortcutView::InitControls() { 258 // Create controls 259 app_info_ = new AppInfoView(shortcut_info_.title, shortcut_info_.description, 260 shortcut_info_.favicon); 261 create_shortcuts_label_ = new views::Label( 262 l10n_util::GetStringUTF16(IDS_CREATE_SHORTCUTS_LABEL)); 263 create_shortcuts_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT); 264 265 desktop_check_box_ = AddCheckbox( 266 l10n_util::GetStringUTF16(IDS_CREATE_SHORTCUTS_DESKTOP_CHKBOX), 267 profile_->GetPrefs()->GetBoolean(prefs::kWebAppCreateOnDesktop)); 268 269 menu_check_box_ = NULL; 270 quick_launch_check_box_ = NULL; 271 272#if defined(OS_WIN) 273 // Do not allow creating shortcuts on the Start Screen for Windows 8. 274 if (base::win::GetVersion() < base::win::VERSION_WIN8) { 275 menu_check_box_ = AddCheckbox( 276 l10n_util::GetStringUTF16(IDS_CREATE_SHORTCUTS_START_MENU_CHKBOX), 277 profile_->GetPrefs()->GetBoolean(prefs::kWebAppCreateInAppsMenu)); 278 } 279 280 quick_launch_check_box_ = AddCheckbox( 281 (base::win::GetVersion() >= base::win::VERSION_WIN7) ? 282 l10n_util::GetStringUTF16(IDS_PIN_TO_TASKBAR_CHKBOX) : 283 l10n_util::GetStringUTF16( 284 IDS_CREATE_SHORTCUTS_QUICK_LAUNCH_BAR_CHKBOX), 285 profile_->GetPrefs()->GetBoolean(prefs::kWebAppCreateInQuickLaunchBar)); 286#elif defined(OS_POSIX) 287 menu_check_box_ = AddCheckbox( 288 l10n_util::GetStringUTF16(IDS_CREATE_SHORTCUTS_MENU_CHKBOX), 289 profile_->GetPrefs()->GetBoolean(prefs::kWebAppCreateInAppsMenu)); 290#endif 291 292 // Layout controls 293 views::GridLayout* layout = views::GridLayout::CreatePanel(this); 294 SetLayoutManager(layout); 295 296 static const int kHeaderColumnSetId = 0; 297 views::ColumnSet* column_set = layout->AddColumnSet(kHeaderColumnSetId); 298 column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::CENTER, 299 100.0f, views::GridLayout::FIXED, 0, 0); 300 301 static const int kTableColumnSetId = 1; 302 column_set = layout->AddColumnSet(kTableColumnSetId); 303 column_set->AddPaddingColumn(0, views::kPanelHorizIndentation); 304 column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL, 305 100.0f, views::GridLayout::USE_PREF, 0, 0); 306 307 layout->StartRow(0, kHeaderColumnSetId); 308 layout->AddView(app_info_); 309 310 layout->AddPaddingRow(0, views::kPanelSubVerticalSpacing); 311 layout->StartRow(0, kHeaderColumnSetId); 312 layout->AddView(create_shortcuts_label_); 313 314 layout->AddPaddingRow(0, views::kLabelToControlVerticalSpacing); 315 layout->StartRow(0, kTableColumnSetId); 316 layout->AddView(desktop_check_box_); 317 318 if (menu_check_box_ != NULL) { 319 layout->AddPaddingRow(0, views::kRelatedControlSmallVerticalSpacing); 320 layout->StartRow(0, kTableColumnSetId); 321 layout->AddView(menu_check_box_); 322 } 323 324 if (quick_launch_check_box_ != NULL) { 325 layout->AddPaddingRow(0, views::kRelatedControlSmallVerticalSpacing); 326 layout->StartRow(0, kTableColumnSetId); 327 layout->AddView(quick_launch_check_box_); 328 } 329} 330 331gfx::Size CreateApplicationShortcutView::GetPreferredSize() { 332 // TODO(evanm): should this use IDS_CREATE_SHORTCUTS_DIALOG_WIDTH_CHARS? 333 static const int kDialogWidth = 360; 334 int height = GetLayoutManager()->GetPreferredHeightForWidth(this, 335 kDialogWidth); 336 return gfx::Size(kDialogWidth, height); 337} 338 339string16 CreateApplicationShortcutView::GetDialogButtonLabel( 340 ui::DialogButton button) const { 341 if (button == ui::DIALOG_BUTTON_OK) 342 return l10n_util::GetStringUTF16(IDS_CREATE_SHORTCUTS_COMMIT); 343 return views::DialogDelegateView::GetDialogButtonLabel(button); 344} 345 346bool CreateApplicationShortcutView::IsDialogButtonEnabled( 347 ui::DialogButton button) const { 348 if (button == ui::DIALOG_BUTTON_OK) 349 return desktop_check_box_->checked() || 350 ((menu_check_box_ != NULL) && 351 menu_check_box_->checked()) || 352 ((quick_launch_check_box_ != NULL) && 353 quick_launch_check_box_->checked()); 354 355 return true; 356} 357 358ui::ModalType CreateApplicationShortcutView::GetModalType() const { 359 return ui::MODAL_TYPE_WINDOW; 360} 361 362string16 CreateApplicationShortcutView::GetWindowTitle() const { 363 return l10n_util::GetStringUTF16(IDS_CREATE_SHORTCUTS_TITLE); 364} 365 366bool CreateApplicationShortcutView::Accept() { 367 if (!IsDialogButtonEnabled(ui::DIALOG_BUTTON_OK)) 368 return false; 369 370 ShellIntegration::ShortcutLocations creation_locations; 371 creation_locations.on_desktop = desktop_check_box_->checked(); 372 creation_locations.in_applications_menu = menu_check_box_ == NULL ? false : 373 menu_check_box_->checked(); 374 creation_locations.applications_menu_subdir = shortcut_menu_subdir_; 375 376#if defined(OS_WIN) 377 creation_locations.in_quick_launch_bar = quick_launch_check_box_ == NULL ? 378 NULL : quick_launch_check_box_->checked(); 379#elif defined(OS_POSIX) 380 // Create shortcut in Mac dock or as Linux (gnome/kde) application launcher 381 // are not implemented yet. 382 creation_locations.in_quick_launch_bar = false; 383#endif 384 385 web_app::CreateShortcuts(shortcut_info_, creation_locations, 386 web_app::ALLOW_DUPLICATE_SHORTCUTS); 387 return true; 388} 389 390views::Checkbox* CreateApplicationShortcutView::AddCheckbox( 391 const string16& text, bool checked) { 392 views::Checkbox* checkbox = new views::Checkbox(text); 393 checkbox->SetChecked(checked); 394 checkbox->set_listener(this); 395 return checkbox; 396} 397 398void CreateApplicationShortcutView::ButtonPressed(views::Button* sender, 399 const ui::Event& event) { 400 if (sender == desktop_check_box_) { 401 profile_->GetPrefs()->SetBoolean(prefs::kWebAppCreateOnDesktop, 402 desktop_check_box_->checked()); 403 } else if (sender == menu_check_box_) { 404 profile_->GetPrefs()->SetBoolean(prefs::kWebAppCreateInAppsMenu, 405 menu_check_box_->checked()); 406 } else if (sender == quick_launch_check_box_) { 407 profile_->GetPrefs()->SetBoolean(prefs::kWebAppCreateInQuickLaunchBar, 408 quick_launch_check_box_->checked()); 409 } 410 411 // When no checkbox is checked we should not have the action button enabled. 412 GetDialogClientView()->UpdateDialogButtons(); 413} 414 415CreateUrlApplicationShortcutView::CreateUrlApplicationShortcutView( 416 content::WebContents* web_contents) 417 : CreateApplicationShortcutView( 418 Profile::FromBrowserContext(web_contents->GetBrowserContext())), 419 web_contents_(web_contents), 420 pending_download_id_(-1) { 421 422 web_app::GetShortcutInfoForTab(web_contents_, &shortcut_info_); 423 const WebApplicationInfo& app_info = 424 extensions::TabHelper::FromWebContents(web_contents_)->web_app_info(); 425 if (!app_info.icons.empty()) { 426 web_app::GetIconsInfo(app_info, &unprocessed_icons_); 427 FetchIcon(); 428 } 429 430 // NOTE: Leave shortcut_menu_subdir_ blank to create URL app shortcuts in the 431 // top-level menu. 432 433 InitControls(); 434} 435 436CreateUrlApplicationShortcutView::~CreateUrlApplicationShortcutView() { 437} 438 439bool CreateUrlApplicationShortcutView::Accept() { 440 if (!CreateApplicationShortcutView::Accept()) 441 return false; 442 443 // Get the smallest icon in the icon family (should have only 1). 444 const gfx::Image* icon = shortcut_info_.favicon.GetBest(0, 0); 445 SkBitmap bitmap = icon ? icon->AsBitmap() : SkBitmap(); 446 extensions::TabHelper::FromWebContents(web_contents_)->SetAppIcon(bitmap); 447 Browser* browser = chrome::FindBrowserWithWebContents(web_contents_); 448 if (browser) 449 chrome::ConvertTabToAppWindow(browser, web_contents_); 450 return true; 451} 452 453void CreateUrlApplicationShortcutView::FetchIcon() { 454 // There should only be fetch job at a time. 455 DCHECK_EQ(-1, pending_download_id_); 456 457 if (unprocessed_icons_.empty()) // No icons to fetch. 458 return; 459 460 int preferred_size = std::max(unprocessed_icons_.back().width, 461 unprocessed_icons_.back().height); 462 pending_download_id_ = web_contents_->DownloadImage( 463 unprocessed_icons_.back().url, 464 true, // is a favicon 465 preferred_size, 466 0, // no maximum size 467 base::Bind(&CreateUrlApplicationShortcutView::DidDownloadFavicon, 468 base::Unretained(this))); 469 470 unprocessed_icons_.pop_back(); 471} 472 473void CreateUrlApplicationShortcutView::DidDownloadFavicon( 474 int id, 475 int http_status_code, 476 const GURL& image_url, 477 int requested_size, 478 const std::vector<SkBitmap>& bitmaps) { 479 if (id != pending_download_id_) 480 return; 481 pending_download_id_ = -1; 482 483 SkBitmap image; 484 485 if (!bitmaps.empty()) { 486 std::vector<ui::ScaleFactor> scale_factors; 487 ui::ScaleFactor scale_factor = ui::GetScaleFactorForNativeView( 488 web_contents_->GetRenderViewHost()->GetView()->GetNativeView()); 489 scale_factors.push_back(scale_factor); 490 size_t closest_index = FaviconUtil::SelectBestFaviconFromBitmaps( 491 bitmaps, 492 scale_factors, 493 requested_size); 494 image = bitmaps[closest_index]; 495 } 496 497 if (!image.isNull()) { 498 shortcut_info_.favicon.Add(gfx::ImageSkia::CreateFrom1xBitmap(image)); 499 static_cast<AppInfoView*>(app_info_)->UpdateIcon(shortcut_info_.favicon); 500 } else { 501 FetchIcon(); 502 } 503} 504 505CreateChromeApplicationShortcutView::CreateChromeApplicationShortcutView( 506 Profile* profile, 507 const extensions::Extension* app) : 508 CreateApplicationShortcutView(profile), 509 app_(app), 510 weak_ptr_factory_(this) { 511 // Required by InitControls(). 512 shortcut_info_.title = UTF8ToUTF16(app->name()); 513 shortcut_info_.description = UTF8ToUTF16(app->description()); 514 515 // Place Chrome app shortcuts in the "Chrome Apps" submenu. 516 shortcut_menu_subdir_ = web_app::GetAppShortcutsSubdirName(); 517 518 InitControls(); 519 520 // Get shortcut information and icon now; they are needed for our UI. 521 web_app::UpdateShortcutInfoAndIconForApp( 522 *app, profile, 523 base::Bind(&CreateChromeApplicationShortcutView::OnShortcutInfoLoaded, 524 weak_ptr_factory_.GetWeakPtr())); 525} 526 527CreateChromeApplicationShortcutView::~CreateChromeApplicationShortcutView() {} 528 529// Called when the app's ShortcutInfo (with icon) is loaded. 530void CreateChromeApplicationShortcutView::OnShortcutInfoLoaded( 531 const ShellIntegration::ShortcutInfo& shortcut_info) { 532 shortcut_info_ = shortcut_info; 533 534 CHECK(app_info_); 535 static_cast<AppInfoView*>(app_info_)->UpdateIcon(shortcut_info_.favicon); 536} 537