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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/status_bubble_gtk.h" | |
| 6 | |
| 7 #include <gtk/gtk.h> | |
| 8 | |
| 9 #include <algorithm> | |
| 10 | |
| 11 #include "base/i18n/rtl.h" | |
| 12 #include "base/message_loop/message_loop.h" | |
| 13 #include "base/strings/utf_string_conversions.h" | |
| 14 #include "chrome/browser/chrome_notification_types.h" | |
| 15 #include "chrome/browser/themes/theme_properties.h" | |
| 16 #include "chrome/browser/ui/elide_url.h" | |
| 17 #include "chrome/browser/ui/gtk/gtk_theme_service.h" | |
| 18 #include "chrome/browser/ui/gtk/gtk_util.h" | |
| 19 #include "chrome/browser/ui/gtk/rounded_window.h" | |
| 20 #include "content/public/browser/notification_source.h" | |
| 21 #include "ui/base/gtk/gtk_hig_constants.h" | |
| 22 #include "ui/gfx/animation/slide_animation.h" | |
| 23 #include "ui/gfx/font_list.h" | |
| 24 #include "ui/gfx/gtk_compat.h" | |
| 25 #include "ui/gfx/text_elider.h" | |
| 26 | |
| 27 namespace { | |
| 28 | |
| 29 // Inner padding between the border and the text label. | |
| 30 const int kInternalTopBottomPadding = 1; | |
| 31 const int kInternalLeftRightPadding = 2; | |
| 32 | |
| 33 // The radius of the edges of our bubble. | |
| 34 const int kCornerSize = 3; | |
| 35 | |
| 36 // Milliseconds before we hide the status bubble widget when you mouseout. | |
| 37 const int kHideDelayMS = 250; | |
| 38 | |
| 39 // How close the mouse can get to the infobubble before it starts sliding | |
| 40 // off-screen. | |
| 41 const int kMousePadding = 20; | |
| 42 | |
| 43 } // namespace | |
| 44 | |
| 45 StatusBubbleGtk::StatusBubbleGtk(Profile* profile) | |
| 46 : theme_service_(GtkThemeService::GetFrom(profile)), | |
| 47 padding_(NULL), | |
| 48 start_width_(0), | |
| 49 desired_width_(0), | |
| 50 flip_horizontally_(false), | |
| 51 y_offset_(0), | |
| 52 download_shelf_is_visible_(false), | |
| 53 last_mouse_left_content_(false), | |
| 54 ignore_next_left_content_(false) { | |
| 55 InitWidgets(); | |
| 56 | |
| 57 theme_service_->InitThemesFor(this); | |
| 58 registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED, | |
| 59 content::Source<ThemeService>(theme_service_)); | |
| 60 } | |
| 61 | |
| 62 StatusBubbleGtk::~StatusBubbleGtk() { | |
| 63 label_.Destroy(); | |
| 64 container_.Destroy(); | |
| 65 } | |
| 66 | |
| 67 void StatusBubbleGtk::SetStatus(const base::string16& status_text_wide) { | |
| 68 std::string status_text = base::UTF16ToUTF8(status_text_wide); | |
| 69 if (status_text_ == status_text) | |
| 70 return; | |
| 71 | |
| 72 status_text_ = status_text; | |
| 73 if (!status_text_.empty()) | |
| 74 SetStatusTextTo(status_text_); | |
| 75 else if (!url_text_.empty()) | |
| 76 SetStatusTextTo(url_text_); | |
| 77 else | |
| 78 SetStatusTextTo(std::string()); | |
| 79 } | |
| 80 | |
| 81 void StatusBubbleGtk::SetURL(const GURL& url, const std::string& languages) { | |
| 82 url_ = url; | |
| 83 languages_ = languages; | |
| 84 | |
| 85 // If we want to clear a displayed URL but there is a status still to | |
| 86 // display, display that status instead. | |
| 87 if (url.is_empty() && !status_text_.empty()) { | |
| 88 url_text_ = std::string(); | |
| 89 SetStatusTextTo(status_text_); | |
| 90 return; | |
| 91 } | |
| 92 | |
| 93 SetStatusTextToURL(); | |
| 94 } | |
| 95 | |
| 96 void StatusBubbleGtk::SetStatusTextToURL() { | |
| 97 GtkWidget* parent = gtk_widget_get_parent(container_.get()); | |
| 98 | |
| 99 // It appears that parent can be NULL (probably only during shutdown). | |
| 100 if (!parent || !gtk_widget_get_realized(parent)) | |
| 101 return; | |
| 102 | |
| 103 GtkAllocation allocation; | |
| 104 gtk_widget_get_allocation(parent, &allocation); | |
| 105 int desired_width = allocation.width; | |
| 106 if (!expanded()) { | |
| 107 expand_timer_.Stop(); | |
| 108 expand_timer_.Start( | |
| 109 FROM_HERE, | |
| 110 base::TimeDelta::FromMilliseconds(kExpandHoverDelayMS), | |
| 111 this, &StatusBubbleGtk::ExpandURL); | |
| 112 // When not expanded, we limit the size to one third the browser's | |
| 113 // width. | |
| 114 desired_width /= 3; | |
| 115 } | |
| 116 | |
| 117 // TODO(tc): We don't actually use gfx::Font as the font in the status | |
| 118 // bubble. We should extend ElideUrl to take some sort of pango font. | |
| 119 url_text_ = base::UTF16ToUTF8( | |
| 120 ElideUrl(url_, gfx::FontList(), desired_width, languages_)); | |
| 121 SetStatusTextTo(url_text_); | |
| 122 } | |
| 123 | |
| 124 void StatusBubbleGtk::Show() { | |
| 125 // If we were going to hide, stop. | |
| 126 hide_timer_.Stop(); | |
| 127 | |
| 128 gtk_widget_show(container_.get()); | |
| 129 GdkWindow* gdk_window = gtk_widget_get_window(container_.get()); | |
| 130 if (gdk_window) | |
| 131 gdk_window_raise(gdk_window); | |
| 132 } | |
| 133 | |
| 134 void StatusBubbleGtk::Hide() { | |
| 135 // If we were going to expand the bubble, stop. | |
| 136 expand_timer_.Stop(); | |
| 137 expand_animation_.reset(); | |
| 138 | |
| 139 gtk_widget_hide(container_.get()); | |
| 140 } | |
| 141 | |
| 142 void StatusBubbleGtk::SetStatusTextTo(const std::string& status_utf8) { | |
| 143 if (status_utf8.empty()) { | |
| 144 hide_timer_.Stop(); | |
| 145 hide_timer_.Start(FROM_HERE, | |
| 146 base::TimeDelta::FromMilliseconds(kHideDelayMS), | |
| 147 this, &StatusBubbleGtk::Hide); | |
| 148 } else { | |
| 149 gtk_label_set_text(GTK_LABEL(label_.get()), status_utf8.c_str()); | |
| 150 GtkRequisition req; | |
| 151 gtk_widget_size_request(label_.get(), &req); | |
| 152 desired_width_ = req.width; | |
| 153 | |
| 154 UpdateLabelSizeRequest(); | |
| 155 | |
| 156 if (!last_mouse_left_content_) { | |
| 157 // Show the padding and label to update our requisition and then | |
| 158 // re-process the last mouse event -- if the label was empty before or the | |
| 159 // text changed, our size will have changed and we may need to move | |
| 160 // ourselves away from the pointer now. | |
| 161 gtk_widget_show_all(padding_); | |
| 162 MouseMoved(last_mouse_location_, false); | |
| 163 } | |
| 164 Show(); | |
| 165 } | |
| 166 } | |
| 167 | |
| 168 void StatusBubbleGtk::MouseMoved( | |
| 169 const gfx::Point& location, bool left_content) { | |
| 170 if (left_content && ignore_next_left_content_) { | |
| 171 ignore_next_left_content_ = false; | |
| 172 return; | |
| 173 } | |
| 174 | |
| 175 last_mouse_location_ = location; | |
| 176 last_mouse_left_content_ = left_content; | |
| 177 | |
| 178 if (!gtk_widget_get_realized(container_.get())) | |
| 179 return; | |
| 180 | |
| 181 GtkWidget* parent = gtk_widget_get_parent(container_.get()); | |
| 182 if (!parent || !gtk_widget_get_realized(parent)) | |
| 183 return; | |
| 184 | |
| 185 int old_y_offset = y_offset_; | |
| 186 bool old_flip_horizontally = flip_horizontally_; | |
| 187 | |
| 188 if (left_content) { | |
| 189 SetFlipHorizontally(false); | |
| 190 y_offset_ = 0; | |
| 191 } else { | |
| 192 GtkWidget* toplevel = gtk_widget_get_toplevel(container_.get()); | |
| 193 if (!toplevel || !gtk_widget_get_realized(toplevel)) | |
| 194 return; | |
| 195 | |
| 196 bool ltr = !base::i18n::IsRTL(); | |
| 197 | |
| 198 GtkRequisition requisition; | |
| 199 gtk_widget_size_request(container_.get(), &requisition); | |
| 200 | |
| 201 GtkAllocation parent_allocation; | |
| 202 gtk_widget_get_allocation(parent, &parent_allocation); | |
| 203 | |
| 204 // Get our base position (that is, not including the current offset) | |
| 205 // relative to the origin of the root window. | |
| 206 gint toplevel_x = 0, toplevel_y = 0; | |
| 207 GdkWindow* gdk_window = gtk_widget_get_window(toplevel); | |
| 208 gdk_window_get_position(gdk_window, &toplevel_x, &toplevel_y); | |
| 209 gfx::Rect parent_rect = | |
| 210 gtk_util::GetWidgetRectRelativeToToplevel(parent); | |
| 211 gfx::Rect bubble_rect( | |
| 212 toplevel_x + parent_rect.x() + | |
| 213 (ltr ? 0 : parent_allocation.width - requisition.width), | |
| 214 toplevel_y + parent_rect.y() + | |
| 215 parent_allocation.height - requisition.height, | |
| 216 requisition.width, | |
| 217 requisition.height); | |
| 218 | |
| 219 int left_threshold = | |
| 220 bubble_rect.x() - bubble_rect.height() - kMousePadding; | |
| 221 int right_threshold = | |
| 222 bubble_rect.right() + bubble_rect.height() + kMousePadding; | |
| 223 int top_threshold = bubble_rect.y() - kMousePadding; | |
| 224 | |
| 225 if (((ltr && location.x() < right_threshold) || | |
| 226 (!ltr && location.x() > left_threshold)) && | |
| 227 location.y() > top_threshold) { | |
| 228 if (download_shelf_is_visible_) { | |
| 229 SetFlipHorizontally(true); | |
| 230 y_offset_ = 0; | |
| 231 } else { | |
| 232 SetFlipHorizontally(false); | |
| 233 int distance = std::max(ltr ? | |
| 234 location.x() - right_threshold : | |
| 235 left_threshold - location.x(), | |
| 236 top_threshold - location.y()); | |
| 237 y_offset_ = std::min(-1 * distance, requisition.height); | |
| 238 } | |
| 239 } else { | |
| 240 SetFlipHorizontally(false); | |
| 241 y_offset_ = 0; | |
| 242 } | |
| 243 } | |
| 244 | |
| 245 if (y_offset_ != old_y_offset || flip_horizontally_ != old_flip_horizontally) | |
| 246 gtk_widget_queue_resize_no_redraw(parent); | |
| 247 } | |
| 248 | |
| 249 void StatusBubbleGtk::UpdateDownloadShelfVisibility(bool visible) { | |
| 250 download_shelf_is_visible_ = visible; | |
| 251 } | |
| 252 | |
| 253 void StatusBubbleGtk::Observe(int type, | |
| 254 const content::NotificationSource& source, | |
| 255 const content::NotificationDetails& details) { | |
| 256 if (type == chrome::NOTIFICATION_BROWSER_THEME_CHANGED) { | |
| 257 UserChangedTheme(); | |
| 258 } | |
| 259 } | |
| 260 | |
| 261 void StatusBubbleGtk::InitWidgets() { | |
| 262 bool ltr = !base::i18n::IsRTL(); | |
| 263 | |
| 264 label_.Own(gtk_label_new(NULL)); | |
| 265 | |
| 266 padding_ = gtk_alignment_new(0, 0, 1, 1); | |
| 267 gtk_alignment_set_padding(GTK_ALIGNMENT(padding_), | |
| 268 kInternalTopBottomPadding, kInternalTopBottomPadding, | |
| 269 kInternalLeftRightPadding + (ltr ? 0 : kCornerSize), | |
| 270 kInternalLeftRightPadding + (ltr ? kCornerSize : 0)); | |
| 271 gtk_container_add(GTK_CONTAINER(padding_), label_.get()); | |
| 272 gtk_widget_show_all(padding_); | |
| 273 | |
| 274 container_.Own(gtk_event_box_new()); | |
| 275 gtk_widget_set_no_show_all(container_.get(), TRUE); | |
| 276 gtk_util::ActAsRoundedWindow( | |
| 277 container_.get(), ui::kGdkWhite, kCornerSize, | |
| 278 gtk_util::ROUNDED_TOP_RIGHT, | |
| 279 gtk_util::BORDER_TOP | gtk_util::BORDER_RIGHT); | |
| 280 gtk_widget_set_name(container_.get(), "status-bubble"); | |
| 281 gtk_container_add(GTK_CONTAINER(container_.get()), padding_); | |
| 282 | |
| 283 // We need to listen for mouse motion events, since a fast-moving pointer may | |
| 284 // enter our window without us getting any motion events on the browser near | |
| 285 // enough for us to run away. | |
| 286 gtk_widget_add_events(container_.get(), GDK_POINTER_MOTION_MASK | | |
| 287 GDK_ENTER_NOTIFY_MASK); | |
| 288 g_signal_connect(container_.get(), "motion-notify-event", | |
| 289 G_CALLBACK(HandleMotionNotifyThunk), this); | |
| 290 g_signal_connect(container_.get(), "enter-notify-event", | |
| 291 G_CALLBACK(HandleEnterNotifyThunk), this); | |
| 292 | |
| 293 UserChangedTheme(); | |
| 294 } | |
| 295 | |
| 296 void StatusBubbleGtk::UserChangedTheme() { | |
| 297 if (theme_service_->UsingNativeTheme()) { | |
| 298 gtk_widget_modify_fg(label_.get(), GTK_STATE_NORMAL, NULL); | |
| 299 gtk_widget_modify_bg(container_.get(), GTK_STATE_NORMAL, NULL); | |
| 300 } else { | |
| 301 // TODO(erg): This is the closest to "text that will look good on a | |
| 302 // toolbar" that I can find. Maybe in later iterations of the theme system, | |
| 303 // there will be a better color to pick. | |
| 304 GdkColor bookmark_text = | |
| 305 theme_service_->GetGdkColor(ThemeProperties::COLOR_BOOKMARK_TEXT); | |
| 306 gtk_widget_modify_fg(label_.get(), GTK_STATE_NORMAL, &bookmark_text); | |
| 307 | |
| 308 GdkColor toolbar_color = | |
| 309 theme_service_->GetGdkColor(ThemeProperties::COLOR_TOOLBAR); | |
| 310 gtk_widget_modify_bg(container_.get(), GTK_STATE_NORMAL, &toolbar_color); | |
| 311 } | |
| 312 | |
| 313 gtk_util::SetRoundedWindowBorderColor(container_.get(), | |
| 314 theme_service_->GetBorderColor()); | |
| 315 } | |
| 316 | |
| 317 void StatusBubbleGtk::SetFlipHorizontally(bool flip_horizontally) { | |
| 318 if (flip_horizontally == flip_horizontally_) | |
| 319 return; | |
| 320 | |
| 321 flip_horizontally_ = flip_horizontally; | |
| 322 | |
| 323 bool ltr = !base::i18n::IsRTL(); | |
| 324 bool on_left = (ltr && !flip_horizontally) || (!ltr && flip_horizontally); | |
| 325 | |
| 326 gtk_alignment_set_padding(GTK_ALIGNMENT(padding_), | |
| 327 kInternalTopBottomPadding, kInternalTopBottomPadding, | |
| 328 kInternalLeftRightPadding + (on_left ? 0 : kCornerSize), | |
| 329 kInternalLeftRightPadding + (on_left ? kCornerSize : 0)); | |
| 330 // The rounded window code flips these arguments if we're RTL. | |
| 331 gtk_util::SetRoundedWindowEdgesAndBorders( | |
| 332 container_.get(), | |
| 333 kCornerSize, | |
| 334 flip_horizontally ? | |
| 335 gtk_util::ROUNDED_TOP_LEFT : | |
| 336 gtk_util::ROUNDED_TOP_RIGHT, | |
| 337 gtk_util::BORDER_TOP | | |
| 338 (flip_horizontally ? gtk_util::BORDER_LEFT : gtk_util::BORDER_RIGHT)); | |
| 339 gtk_widget_queue_draw(container_.get()); | |
| 340 } | |
| 341 | |
| 342 void StatusBubbleGtk::ExpandURL() { | |
| 343 GtkAllocation allocation; | |
| 344 gtk_widget_get_allocation(label_.get(), &allocation); | |
| 345 start_width_ = allocation.width; | |
| 346 expand_animation_.reset(new gfx::SlideAnimation(this)); | |
| 347 expand_animation_->SetTweenType(gfx::Tween::LINEAR); | |
| 348 expand_animation_->Show(); | |
| 349 | |
| 350 SetStatusTextToURL(); | |
| 351 } | |
| 352 | |
| 353 void StatusBubbleGtk::UpdateLabelSizeRequest() { | |
| 354 if (!expanded() || !expand_animation_->is_animating()) { | |
| 355 gtk_widget_set_size_request(label_.get(), -1, -1); | |
| 356 return; | |
| 357 } | |
| 358 | |
| 359 int new_width = start_width_ + | |
| 360 (desired_width_ - start_width_) * expand_animation_->GetCurrentValue(); | |
| 361 gtk_widget_set_size_request(label_.get(), new_width, -1); | |
| 362 } | |
| 363 | |
| 364 // See http://crbug.com/68897 for why we have to handle this event. | |
| 365 gboolean StatusBubbleGtk::HandleEnterNotify(GtkWidget* sender, | |
| 366 GdkEventCrossing* event) { | |
| 367 ignore_next_left_content_ = true; | |
| 368 MouseMoved(gfx::Point(event->x_root, event->y_root), false); | |
| 369 return FALSE; | |
| 370 } | |
| 371 | |
| 372 gboolean StatusBubbleGtk::HandleMotionNotify(GtkWidget* sender, | |
| 373 GdkEventMotion* event) { | |
| 374 MouseMoved(gfx::Point(event->x_root, event->y_root), false); | |
| 375 return FALSE; | |
| 376 } | |
| 377 | |
| 378 void StatusBubbleGtk::AnimationEnded(const gfx::Animation* animation) { | |
| 379 UpdateLabelSizeRequest(); | |
| 380 } | |
| 381 | |
| 382 void StatusBubbleGtk::AnimationProgressed(const gfx::Animation* animation) { | |
| 383 UpdateLabelSizeRequest(); | |
| 384 } | |
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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