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| 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/gtk/bookmarks/bookmark_utils_gtk.h" | |
| 6 | |
| 7 #include "base/pickle.h" | |
| 8 #include "base/strings/string16.h" | |
| 9 #include "base/strings/stringprintf.h" | |
| 10 #include "base/strings/utf_string_conversions.h" | |
| 11 #include "chrome/browser/bookmarks/bookmark_model.h" | |
| 12 #include "chrome/browser/bookmarks/bookmark_node_data.h" | |
| 13 #include "chrome/browser/bookmarks/bookmark_utils.h" | |
| 14 #include "chrome/browser/profiles/profile.h" | |
| 15 #include "chrome/browser/themes/theme_properties.h" | |
| 16 #include "chrome/browser/ui/gtk/gtk_chrome_button.h" | |
| 17 #include "chrome/browser/ui/gtk/gtk_theme_service.h" | |
| 18 #include "chrome/browser/ui/gtk/gtk_util.h" | |
| 19 #include "grit/generated_resources.h" | |
| 20 #include "grit/theme_resources.h" | |
| 21 #include "grit/ui_strings.h" | |
| 22 #include "net/base/filename_util.h" | |
| 23 #include "ui/base/dragdrop/gtk_dnd_util.h" | |
| 24 #include "ui/base/gtk/gtk_hig_constants.h" | |
| 25 #include "ui/base/gtk/gtk_screen_util.h" | |
| 26 #include "ui/base/l10n/l10n_util.h" | |
| 27 #include "ui/base/resource/resource_bundle.h" | |
| 28 #include "ui/gfx/canvas_skia_paint.h" | |
| 29 #include "ui/gfx/font_list.h" | |
| 30 #include "ui/gfx/geometry/rect.h" | |
| 31 #include "ui/gfx/image/image.h" | |
| 32 #include "ui/gfx/text_elider.h" | |
| 33 | |
| 34 namespace { | |
| 35 | |
| 36 // Spacing between the favicon and the text. | |
| 37 const int kBarButtonPadding = 4; | |
| 38 | |
| 39 // Used in gtk_selection_data_set(). (I assume from this parameter that gtk has | |
| 40 // to some really exotic hardware...) | |
| 41 const int kBitsInAByte = 8; | |
| 42 | |
| 43 // Maximum number of characters on a bookmark button. | |
| 44 const size_t kMaxCharsOnAButton = 15; | |
| 45 | |
| 46 // Maximum number of characters on a menu label. | |
| 47 const int kMaxCharsOnAMenuLabel = 50; | |
| 48 | |
| 49 // Padding between the chrome button highlight border and the contents (favicon, | |
| 50 // text). | |
| 51 const int kButtonPaddingTop = 0; | |
| 52 const int kButtonPaddingBottom = 0; | |
| 53 const int kButtonPaddingLeft = 5; | |
| 54 const int kButtonPaddingRight = 0; | |
| 55 | |
| 56 void* AsVoid(const BookmarkNode* node) { | |
| 57 return const_cast<BookmarkNode*>(node); | |
| 58 } | |
| 59 | |
| 60 // Creates the widget hierarchy for a bookmark button. | |
| 61 void PackButton(GdkPixbuf* pixbuf, | |
| 62 const base::string16& title, | |
| 63 bool ellipsize, | |
| 64 GtkThemeService* provider, | |
| 65 GtkWidget* button) { | |
| 66 GtkWidget* former_child = gtk_bin_get_child(GTK_BIN(button)); | |
| 67 if (former_child) | |
| 68 gtk_container_remove(GTK_CONTAINER(button), former_child); | |
| 69 | |
| 70 // We pack the button manually (rather than using gtk_button_set_*) so that | |
| 71 // we can have finer control over its label. | |
| 72 GtkWidget* image = gtk_image_new_from_pixbuf(pixbuf); | |
| 73 | |
| 74 GtkWidget* box = gtk_hbox_new(FALSE, kBarButtonPadding); | |
| 75 gtk_box_pack_start(GTK_BOX(box), image, FALSE, FALSE, 0); | |
| 76 | |
| 77 std::string label_string = base::UTF16ToUTF8(title); | |
| 78 if (!label_string.empty()) { | |
| 79 GtkWidget* label = gtk_label_new(label_string.c_str()); | |
| 80 // Until we switch to vector graphics, force the font size. | |
| 81 if (!provider->UsingNativeTheme()) | |
| 82 gtk_util::ForceFontSizePixels(label, 13.4); // 13.4px == 10pt @ 96dpi | |
| 83 | |
| 84 // Ellipsize long bookmark names. | |
| 85 if (ellipsize) { | |
| 86 gtk_label_set_max_width_chars(GTK_LABEL(label), kMaxCharsOnAButton); | |
| 87 gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END); | |
| 88 } | |
| 89 | |
| 90 gtk_box_pack_start(GTK_BOX(box), label, FALSE, FALSE, 0); | |
| 91 SetButtonTextColors(label, provider); | |
| 92 } | |
| 93 | |
| 94 GtkWidget* alignment = gtk_alignment_new(0.0, 0.0, 1.0, 1.0); | |
| 95 // If we are not showing the label, don't set any padding, so that the icon | |
| 96 // will just be centered. | |
| 97 if (label_string.c_str()) { | |
| 98 gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), | |
| 99 kButtonPaddingTop, kButtonPaddingBottom, | |
| 100 kButtonPaddingLeft, kButtonPaddingRight); | |
| 101 } | |
| 102 gtk_container_add(GTK_CONTAINER(alignment), box); | |
| 103 gtk_container_add(GTK_CONTAINER(button), alignment); | |
| 104 | |
| 105 gtk_widget_show_all(alignment); | |
| 106 } | |
| 107 | |
| 108 const int kDragRepresentationWidth = 140; | |
| 109 | |
| 110 struct DragRepresentationData { | |
| 111 public: | |
| 112 GdkPixbuf* favicon; | |
| 113 base::string16 text; | |
| 114 SkColor text_color; | |
| 115 | |
| 116 DragRepresentationData(GdkPixbuf* favicon, | |
| 117 const base::string16& text, | |
| 118 SkColor text_color) | |
| 119 : favicon(favicon), | |
| 120 text(text), | |
| 121 text_color(text_color) { | |
| 122 g_object_ref(favicon); | |
| 123 } | |
| 124 | |
| 125 ~DragRepresentationData() { | |
| 126 g_object_unref(favicon); | |
| 127 } | |
| 128 | |
| 129 private: | |
| 130 DISALLOW_COPY_AND_ASSIGN(DragRepresentationData); | |
| 131 }; | |
| 132 | |
| 133 gboolean OnDragIconExpose(GtkWidget* sender, | |
| 134 GdkEventExpose* event, | |
| 135 DragRepresentationData* data) { | |
| 136 // Clear the background. | |
| 137 cairo_t* cr = gdk_cairo_create(event->window); | |
| 138 gdk_cairo_rectangle(cr, &event->area); | |
| 139 cairo_clip(cr); | |
| 140 cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR); | |
| 141 cairo_paint(cr); | |
| 142 | |
| 143 cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); | |
| 144 gdk_cairo_set_source_pixbuf(cr, data->favicon, 0, 0); | |
| 145 cairo_paint(cr); | |
| 146 cairo_destroy(cr); | |
| 147 | |
| 148 GtkAllocation allocation; | |
| 149 gtk_widget_get_allocation(sender, &allocation); | |
| 150 | |
| 151 // Paint the title text. | |
| 152 gfx::CanvasSkiaPaint canvas(event, false); | |
| 153 int text_x = gdk_pixbuf_get_width(data->favicon) + kBarButtonPadding; | |
| 154 int text_width = allocation.width - text_x; | |
| 155 const gfx::Rect rect(text_x, 0, text_width, allocation.height); | |
| 156 canvas.DrawStringRectWithFlags(data->text, gfx::FontList(), data->text_color, | |
| 157 rect, gfx::Canvas::NO_SUBPIXEL_RENDERING); | |
| 158 | |
| 159 return TRUE; | |
| 160 } | |
| 161 | |
| 162 void OnDragIconDestroy(GtkWidget* drag_icon, DragRepresentationData* data) { | |
| 163 g_object_unref(drag_icon); | |
| 164 delete data; | |
| 165 } | |
| 166 | |
| 167 } // namespace | |
| 168 | |
| 169 const char kBookmarkNode[] = "bookmark-node"; | |
| 170 | |
| 171 GdkPixbuf* GetPixbufForNode(const BookmarkNode* node, | |
| 172 BookmarkModel* model, | |
| 173 bool native) { | |
| 174 GdkPixbuf* pixbuf; | |
| 175 | |
| 176 if (node->is_url()) { | |
| 177 const gfx::Image& favicon = model->GetFavicon(node); | |
| 178 if (!favicon.IsEmpty()) { | |
| 179 pixbuf = favicon.CopyGdkPixbuf(); | |
| 180 } else { | |
| 181 pixbuf = GtkThemeService::GetDefaultFavicon(native).ToGdkPixbuf(); | |
| 182 g_object_ref(pixbuf); | |
| 183 } | |
| 184 } else { | |
| 185 pixbuf = GtkThemeService::GetFolderIcon(native).ToGdkPixbuf(); | |
| 186 g_object_ref(pixbuf); | |
| 187 } | |
| 188 | |
| 189 return pixbuf; | |
| 190 } | |
| 191 | |
| 192 GtkWidget* GetDragRepresentation(GdkPixbuf* pixbuf, | |
| 193 const base::string16& title, | |
| 194 GtkThemeService* provider) { | |
| 195 GtkWidget* window = gtk_window_new(GTK_WINDOW_POPUP); | |
| 196 | |
| 197 if (ui::IsScreenComposited() && | |
| 198 gtk_util::AddWindowAlphaChannel(window)) { | |
| 199 DragRepresentationData* data = new DragRepresentationData( | |
| 200 pixbuf, title, | |
| 201 provider->GetColor(ThemeProperties::COLOR_BOOKMARK_TEXT)); | |
| 202 g_signal_connect(window, "expose-event", G_CALLBACK(OnDragIconExpose), | |
| 203 data); | |
| 204 g_object_ref(window); | |
| 205 g_signal_connect(window, "destroy", G_CALLBACK(OnDragIconDestroy), data); | |
| 206 | |
| 207 gtk_widget_set_size_request(window, kDragRepresentationWidth, | |
| 208 gfx::FontList().GetHeight()); | |
| 209 } else { | |
| 210 if (!provider->UsingNativeTheme()) { | |
| 211 GdkColor color = provider->GetGdkColor( | |
| 212 ThemeProperties::COLOR_TOOLBAR); | |
| 213 gtk_widget_modify_bg(window, GTK_STATE_NORMAL, &color); | |
| 214 } | |
| 215 gtk_widget_realize(window); | |
| 216 | |
| 217 GtkWidget* frame = gtk_frame_new(NULL); | |
| 218 gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_OUT); | |
| 219 gtk_container_add(GTK_CONTAINER(window), frame); | |
| 220 | |
| 221 GtkWidget* floating_button = provider->BuildChromeButton(); | |
| 222 PackButton(pixbuf, title, true, provider, floating_button); | |
| 223 gtk_container_add(GTK_CONTAINER(frame), floating_button); | |
| 224 gtk_widget_show_all(frame); | |
| 225 } | |
| 226 | |
| 227 return window; | |
| 228 } | |
| 229 | |
| 230 GtkWidget* GetDragRepresentationForNode(const BookmarkNode* node, | |
| 231 BookmarkModel* model, | |
| 232 GtkThemeService* provider) { | |
| 233 GdkPixbuf* pixbuf = GetPixbufForNode( | |
| 234 node, model, provider->UsingNativeTheme()); | |
| 235 GtkWidget* widget = GetDragRepresentation(pixbuf, node->GetTitle(), provider); | |
| 236 g_object_unref(pixbuf); | |
| 237 return widget; | |
| 238 } | |
| 239 | |
| 240 void ConfigureButtonForNode(const BookmarkNode* node, | |
| 241 BookmarkModel* model, | |
| 242 GtkWidget* button, | |
| 243 GtkThemeService* provider) { | |
| 244 GdkPixbuf* pixbuf = | |
| 245 GetPixbufForNode(node, model, provider->UsingNativeTheme()); | |
| 246 PackButton(pixbuf, node->GetTitle(), node != model->other_node(), provider, | |
| 247 button); | |
| 248 g_object_unref(pixbuf); | |
| 249 | |
| 250 std::string tooltip = BuildTooltipFor(node); | |
| 251 if (!tooltip.empty()) | |
| 252 gtk_widget_set_tooltip_markup(button, tooltip.c_str()); | |
| 253 | |
| 254 g_object_set_data(G_OBJECT(button), kBookmarkNode, AsVoid(node)); | |
| 255 } | |
| 256 | |
| 257 void ConfigureAppsShortcutButton(GtkWidget* button, GtkThemeService* provider) { | |
| 258 GdkPixbuf* pixbuf = ui::ResourceBundle::GetSharedInstance(). | |
| 259 GetNativeImageNamed(IDR_BOOKMARK_BAR_APPS_SHORTCUT, | |
| 260 ui::ResourceBundle::RTL_ENABLED).ToGdkPixbuf(); | |
| 261 const base::string16& label = l10n_util::GetStringUTF16( | |
| 262 IDS_BOOKMARK_BAR_APPS_SHORTCUT_NAME); | |
| 263 PackButton(pixbuf, label, false, provider, button); | |
| 264 } | |
| 265 | |
| 266 std::string BuildTooltipFor(const BookmarkNode* node) { | |
| 267 if (node->is_folder()) | |
| 268 return std::string(); | |
| 269 | |
| 270 return gtk_util::BuildTooltipTitleFor(node->GetTitle(), node->url()); | |
| 271 } | |
| 272 | |
| 273 std::string BuildMenuLabelFor(const BookmarkNode* node) { | |
| 274 // This breaks on word boundaries. Ideally we would break on character | |
| 275 // boundaries. | |
| 276 std::string elided_name = base::UTF16ToUTF8( | |
| 277 gfx::TruncateString(node->GetTitle(), kMaxCharsOnAMenuLabel)); | |
| 278 | |
| 279 if (elided_name.empty()) { | |
| 280 elided_name = base::UTF16ToUTF8(gfx::TruncateString( | |
| 281 base::UTF8ToUTF16(node->url().possibly_invalid_spec()), | |
| 282 kMaxCharsOnAMenuLabel)); | |
| 283 } | |
| 284 | |
| 285 return elided_name; | |
| 286 } | |
| 287 | |
| 288 const BookmarkNode* BookmarkNodeForWidget(GtkWidget* widget) { | |
| 289 return reinterpret_cast<const BookmarkNode*>( | |
| 290 g_object_get_data(G_OBJECT(widget), kBookmarkNode)); | |
| 291 } | |
| 292 | |
| 293 void SetButtonTextColors(GtkWidget* label, GtkThemeService* provider) { | |
| 294 if (provider->UsingNativeTheme()) { | |
| 295 gtk_util::SetLabelColor(label, NULL); | |
| 296 } else { | |
| 297 GdkColor color = provider->GetGdkColor( | |
| 298 ThemeProperties::COLOR_BOOKMARK_TEXT); | |
| 299 gtk_widget_modify_fg(label, GTK_STATE_NORMAL, &color); | |
| 300 gtk_widget_modify_fg(label, GTK_STATE_INSENSITIVE, &color); | |
| 301 | |
| 302 // Because the prelight state is a white image that doesn't change by the | |
| 303 // theme, force the text color to black when it would be used. | |
| 304 gtk_widget_modify_fg(label, GTK_STATE_ACTIVE, &ui::kGdkBlack); | |
| 305 gtk_widget_modify_fg(label, GTK_STATE_PRELIGHT, &ui::kGdkBlack); | |
| 306 } | |
| 307 } | |
| 308 | |
| 309 // DnD-related ----------------------------------------------------------------- | |
| 310 | |
| 311 int GetCodeMask(bool folder) { | |
| 312 int rv = ui::CHROME_BOOKMARK_ITEM; | |
| 313 if (!folder) { | |
| 314 rv |= ui::TEXT_URI_LIST | | |
| 315 ui::TEXT_HTML | | |
| 316 ui::TEXT_PLAIN | | |
| 317 ui::NETSCAPE_URL; | |
| 318 } | |
| 319 return rv; | |
| 320 } | |
| 321 | |
| 322 void WriteBookmarkToSelection(const BookmarkNode* node, | |
| 323 GtkSelectionData* selection_data, | |
| 324 guint target_type, | |
| 325 Profile* profile) { | |
| 326 DCHECK(node); | |
| 327 std::vector<const BookmarkNode*> nodes; | |
| 328 nodes.push_back(node); | |
| 329 WriteBookmarksToSelection(nodes, selection_data, target_type, profile); | |
| 330 } | |
| 331 | |
| 332 void WriteBookmarksToSelection(const std::vector<const BookmarkNode*>& nodes, | |
| 333 GtkSelectionData* selection_data, | |
| 334 guint target_type, | |
| 335 Profile* profile) { | |
| 336 switch (target_type) { | |
| 337 case ui::CHROME_BOOKMARK_ITEM: { | |
| 338 BookmarkNodeData data(nodes); | |
| 339 Pickle pickle; | |
| 340 data.WriteToPickle(profile, &pickle); | |
| 341 | |
| 342 gtk_selection_data_set(selection_data, | |
| 343 gtk_selection_data_get_target(selection_data), | |
| 344 kBitsInAByte, | |
| 345 static_cast<const guchar*>(pickle.data()), | |
| 346 pickle.size()); | |
| 347 break; | |
| 348 } | |
| 349 case ui::NETSCAPE_URL: { | |
| 350 // _NETSCAPE_URL format is URL + \n + title. | |
| 351 std::string utf8_text = nodes[0]->url().spec() + "\n" + | |
| 352 base::UTF16ToUTF8(nodes[0]->GetTitle()); | |
| 353 gtk_selection_data_set(selection_data, | |
| 354 gtk_selection_data_get_target(selection_data), | |
| 355 kBitsInAByte, | |
| 356 reinterpret_cast<const guchar*>(utf8_text.c_str()), | |
| 357 utf8_text.length()); | |
| 358 break; | |
| 359 } | |
| 360 case ui::TEXT_URI_LIST: { | |
| 361 gchar** uris = reinterpret_cast<gchar**>(malloc(sizeof(gchar*) * | |
| 362 (nodes.size() + 1))); | |
| 363 for (size_t i = 0; i < nodes.size(); ++i) { | |
| 364 // If the node is a folder, this will be empty. TODO(estade): figure out | |
| 365 // if there are any ramifications to passing an empty URI. After a | |
| 366 // little testing, it seems fine. | |
| 367 const GURL& url = nodes[i]->url(); | |
| 368 // This const cast should be safe as gtk_selection_data_set_uris() | |
| 369 // makes copies. | |
| 370 uris[i] = const_cast<gchar*>(url.spec().c_str()); | |
| 371 } | |
| 372 uris[nodes.size()] = NULL; | |
| 373 | |
| 374 gtk_selection_data_set_uris(selection_data, uris); | |
| 375 free(uris); | |
| 376 break; | |
| 377 } | |
| 378 case ui::TEXT_HTML: { | |
| 379 std::string utf8_title = base::UTF16ToUTF8(nodes[0]->GetTitle()); | |
| 380 std::string utf8_html = base::StringPrintf("<a href=\"%s\">%s</a>", | |
| 381 nodes[0]->url().spec().c_str(), | |
| 382 utf8_title.c_str()); | |
| 383 gtk_selection_data_set(selection_data, | |
| 384 GetAtomForTarget(ui::TEXT_HTML), | |
| 385 kBitsInAByte, | |
| 386 reinterpret_cast<const guchar*>(utf8_html.data()), | |
| 387 utf8_html.size()); | |
| 388 break; | |
| 389 } | |
| 390 case ui::TEXT_PLAIN: { | |
| 391 gtk_selection_data_set_text(selection_data, | |
| 392 nodes[0]->url().spec().c_str(), -1); | |
| 393 break; | |
| 394 } | |
| 395 default: { | |
| 396 DLOG(ERROR) << "Unsupported drag get type!"; | |
| 397 } | |
| 398 } | |
| 399 } | |
| 400 | |
| 401 std::vector<const BookmarkNode*> GetNodesFromSelection( | |
| 402 GdkDragContext* context, | |
| 403 GtkSelectionData* selection_data, | |
| 404 guint target_type, | |
| 405 Profile* profile, | |
| 406 gboolean* delete_selection_data, | |
| 407 gboolean* dnd_success) { | |
| 408 if (delete_selection_data) | |
| 409 *delete_selection_data = FALSE; | |
| 410 if (dnd_success) | |
| 411 *dnd_success = FALSE; | |
| 412 | |
| 413 if (selection_data) { | |
| 414 gint length = gtk_selection_data_get_length(selection_data); | |
| 415 if (length > 0) { | |
| 416 if (context && delete_selection_data && | |
| 417 context->action == GDK_ACTION_MOVE) | |
| 418 *delete_selection_data = TRUE; | |
| 419 | |
| 420 switch (target_type) { | |
| 421 case ui::CHROME_BOOKMARK_ITEM: { | |
| 422 if (dnd_success) | |
| 423 *dnd_success = TRUE; | |
| 424 Pickle pickle(reinterpret_cast<const char*>( | |
| 425 gtk_selection_data_get_data(selection_data)), length); | |
| 426 BookmarkNodeData drag_data; | |
| 427 drag_data.ReadFromPickle(&pickle); | |
| 428 return drag_data.GetNodes(profile); | |
| 429 } | |
| 430 default: { | |
| 431 DLOG(ERROR) << "Unsupported drag received type: " << target_type; | |
| 432 } | |
| 433 } | |
| 434 } | |
| 435 } | |
| 436 | |
| 437 return std::vector<const BookmarkNode*>(); | |
| 438 } | |
| 439 | |
| 440 bool CreateNewBookmarkFromNamedUrl(GtkSelectionData* selection_data, | |
| 441 BookmarkModel* model, | |
| 442 const BookmarkNode* parent, | |
| 443 int idx) { | |
| 444 GURL url; | |
| 445 base::string16 title; | |
| 446 if (!ui::ExtractNamedURL(selection_data, &url, &title)) | |
| 447 return false; | |
| 448 | |
| 449 model->AddURL(parent, idx, title, url); | |
| 450 return true; | |
| 451 } | |
| 452 | |
| 453 bool CreateNewBookmarksFromURIList(GtkSelectionData* selection_data, | |
| 454 BookmarkModel* model, | |
| 455 const BookmarkNode* parent, | |
| 456 int idx) { | |
| 457 std::vector<GURL> urls; | |
| 458 ui::ExtractURIList(selection_data, &urls); | |
| 459 for (size_t i = 0; i < urls.size(); ++i) { | |
| 460 base::string16 title = GetNameForURL(urls[i]); | |
| 461 model->AddURL(parent, idx++, title, urls[i]); | |
| 462 } | |
| 463 return true; | |
| 464 } | |
| 465 | |
| 466 bool CreateNewBookmarkFromNetscapeURL(GtkSelectionData* selection_data, | |
| 467 BookmarkModel* model, | |
| 468 const BookmarkNode* parent, | |
| 469 int idx) { | |
| 470 GURL url; | |
| 471 base::string16 title; | |
| 472 if (!ui::ExtractNetscapeURL(selection_data, &url, &title)) | |
| 473 return false; | |
| 474 | |
| 475 model->AddURL(parent, idx, title, url); | |
| 476 return true; | |
| 477 } | |
| 478 | |
| 479 base::string16 GetNameForURL(const GURL& url) { | |
| 480 if (url.is_valid()) { | |
| 481 return net::GetSuggestedFilename(url, | |
| 482 std::string(), | |
| 483 std::string(), | |
| 484 std::string(), | |
| 485 std::string(), | |
| 486 std::string()); | |
| 487 } else { | |
| 488 return l10n_util::GetStringUTF16(IDS_APP_UNTITLED_SHORTCUT_FILE_NAME); | |
| 489 } | |
| 490 } | |
| OLD | NEW |
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Chromium Code Reviews
Issue 231733005:
Delete the GTK+ port of Chrome. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src