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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 "content/browser/tab_contents/tab_contents_view_gtk.h" | |
| 6 | |
| 7 #include <gdk/gdk.h> | |
| 8 #include <gdk/gdkkeysyms.h> | |
| 9 #include <gtk/gtk.h> | |
| 10 | |
| 11 #include <algorithm> | |
| 12 | |
| 13 #include "base/string_util.h" | |
| 14 #include "base/utf_string_conversions.h" | |
| 15 #include "build/build_config.h" | |
| 16 #include "content/browser/renderer_host/render_view_host_factory.h" | |
| 17 #include "content/browser/renderer_host/render_view_host_impl.h" | |
| 18 #include "content/browser/renderer_host/render_widget_host_view_gtk.h" | |
| 19 #include "content/browser/tab_contents/tab_contents.h" | |
| 20 #include "content/browser/web_contents/interstitial_page_impl.h" | |
| 21 #include "content/browser/web_contents/web_drag_dest_gtk.h" | |
| 22 #include "content/browser/web_contents/web_drag_source_gtk.h" | |
| 23 #include "content/public/browser/web_contents_delegate.h" | |
| 24 #include "content/public/browser/web_contents_view_delegate.h" | |
| 25 #include "ui/base/gtk/gtk_expanded_container.h" | |
| 26 #include "ui/gfx/point.h" | |
| 27 #include "ui/gfx/rect.h" | |
| 28 #include "ui/gfx/size.h" | |
| 29 #include "webkit/glue/webdropdata.h" | |
| 30 | |
| 31 using WebKit::WebDragOperation; | |
| 32 using WebKit::WebDragOperationsMask; | |
| 33 using content::RenderWidgetHost; | |
| 34 using content::WebContents; | |
| 35 | |
| 36 namespace { | |
| 37 | |
| 38 // Called when the mouse leaves the widget. We notify our delegate. | |
| 39 gboolean OnLeaveNotify(GtkWidget* widget, GdkEventCrossing* event, | |
| 40 TabContents* tab_contents) { | |
| 41 if (tab_contents->GetDelegate()) | |
| 42 tab_contents->GetDelegate()->ContentsMouseEvent( | |
| 43 tab_contents, gfx::Point(event->x_root, event->y_root), false); | |
| 44 return FALSE; | |
| 45 } | |
| 46 | |
| 47 // Called when the mouse moves within the widget. We notify our delegate. | |
| 48 gboolean OnMouseMove(GtkWidget* widget, GdkEventMotion* event, | |
| 49 TabContents* tab_contents) { | |
| 50 if (tab_contents->GetDelegate()) | |
| 51 tab_contents->GetDelegate()->ContentsMouseEvent( | |
| 52 tab_contents, gfx::Point(event->x_root, event->y_root), true); | |
| 53 return FALSE; | |
| 54 } | |
| 55 | |
| 56 // See tab_contents_view_views.cc for discussion of mouse scroll zooming. | |
| 57 gboolean OnMouseScroll(GtkWidget* widget, GdkEventScroll* event, | |
| 58 TabContents* tab_contents) { | |
| 59 if ((event->state & gtk_accelerator_get_default_mod_mask()) != | |
| 60 GDK_CONTROL_MASK) { | |
| 61 return FALSE; | |
| 62 } | |
| 63 | |
| 64 content::WebContentsDelegate* delegate = tab_contents->GetDelegate(); | |
| 65 if (!delegate) | |
| 66 return FALSE; | |
| 67 | |
| 68 if (!(event->direction == GDK_SCROLL_DOWN || | |
| 69 event->direction == GDK_SCROLL_UP)) { | |
| 70 return FALSE; | |
| 71 } | |
| 72 | |
| 73 delegate->ContentsZoomChange(event->direction == GDK_SCROLL_UP); | |
| 74 return TRUE; | |
| 75 } | |
| 76 | |
| 77 } // namespace | |
| 78 | |
| 79 namespace content { | |
| 80 | |
| 81 TabContentsViewGtk::TabContentsViewGtk( | |
| 82 TabContents* tab_contents, | |
| 83 content::WebContentsViewDelegate* delegate) | |
| 84 : tab_contents_(tab_contents), | |
| 85 expanded_(gtk_expanded_container_new()), | |
| 86 delegate_(delegate) { | |
| 87 gtk_widget_set_name(expanded_.get(), "chrome-tab-contents-view"); | |
| 88 g_signal_connect(expanded_.get(), "size-allocate", | |
| 89 G_CALLBACK(OnSizeAllocateThunk), this); | |
| 90 g_signal_connect(expanded_.get(), "child-size-request", | |
| 91 G_CALLBACK(OnChildSizeRequestThunk), this); | |
| 92 | |
| 93 gtk_widget_show(expanded_.get()); | |
| 94 drag_source_.reset(new content::WebDragSourceGtk(tab_contents)); | |
| 95 | |
| 96 if (delegate_.get()) | |
| 97 delegate_->Initialize(expanded_.get(), &focus_store_); | |
| 98 } | |
| 99 | |
| 100 TabContentsViewGtk::~TabContentsViewGtk() { | |
| 101 expanded_.Destroy(); | |
| 102 } | |
| 103 | |
| 104 void TabContentsViewGtk::CreateView(const gfx::Size& initial_size) { | |
| 105 requested_size_ = initial_size; | |
| 106 } | |
| 107 | |
| 108 RenderWidgetHostView* TabContentsViewGtk::CreateViewForWidget( | |
| 109 RenderWidgetHost* render_widget_host) { | |
| 110 if (render_widget_host->GetView()) { | |
| 111 // During testing, the view will already be set up in most cases to the | |
| 112 // test view, so we don't want to clobber it with a real one. To verify that | |
| 113 // this actually is happening (and somebody isn't accidentally creating the | |
| 114 // view twice), we check for the RVH Factory, which will be set when we're | |
| 115 // making special ones (which go along with the special views). | |
| 116 DCHECK(RenderViewHostFactory::has_factory()); | |
| 117 return render_widget_host->GetView(); | |
| 118 } | |
| 119 | |
| 120 RenderWidgetHostView* view = | |
| 121 RenderWidgetHostView::CreateViewForWidget(render_widget_host); | |
| 122 view->InitAsChild(NULL); | |
| 123 gfx::NativeView content_view = view->GetNativeView(); | |
| 124 g_signal_connect(content_view, "focus", G_CALLBACK(OnFocusThunk), this); | |
| 125 g_signal_connect(content_view, "leave-notify-event", | |
| 126 G_CALLBACK(OnLeaveNotify), tab_contents_); | |
| 127 g_signal_connect(content_view, "motion-notify-event", | |
| 128 G_CALLBACK(OnMouseMove), tab_contents_); | |
| 129 g_signal_connect(content_view, "scroll-event", | |
| 130 G_CALLBACK(OnMouseScroll), tab_contents_); | |
| 131 gtk_widget_add_events(content_view, GDK_LEAVE_NOTIFY_MASK | | |
| 132 GDK_POINTER_MOTION_MASK); | |
| 133 InsertIntoContentArea(content_view); | |
| 134 | |
| 135 // Renderer target DnD. | |
| 136 drag_dest_.reset(new content::WebDragDestGtk(tab_contents_, content_view)); | |
| 137 | |
| 138 if (delegate_.get()) | |
| 139 drag_dest_->set_delegate(delegate_->GetDragDestDelegate()); | |
| 140 | |
| 141 return view; | |
| 142 } | |
| 143 | |
| 144 gfx::NativeView TabContentsViewGtk::GetNativeView() const { | |
| 145 if (delegate_.get()) | |
| 146 return delegate_->GetNativeView(); | |
| 147 | |
| 148 return expanded_.get(); | |
| 149 } | |
| 150 | |
| 151 gfx::NativeView TabContentsViewGtk::GetContentNativeView() const { | |
| 152 RenderWidgetHostView* rwhv = tab_contents_->GetRenderWidgetHostView(); | |
| 153 if (!rwhv) | |
| 154 return NULL; | |
| 155 return rwhv->GetNativeView(); | |
| 156 } | |
| 157 | |
| 158 gfx::NativeWindow TabContentsViewGtk::GetTopLevelNativeWindow() const { | |
| 159 GtkWidget* window = gtk_widget_get_ancestor(GetNativeView(), GTK_TYPE_WINDOW); | |
| 160 return window ? GTK_WINDOW(window) : NULL; | |
| 161 } | |
| 162 | |
| 163 void TabContentsViewGtk::GetContainerBounds(gfx::Rect* out) const { | |
| 164 // This is used for positioning the download shelf arrow animation, | |
| 165 // as well as sizing some other widgets in Windows. In GTK the size is | |
| 166 // managed for us, so it appears to be only used for the download shelf | |
| 167 // animation. | |
| 168 int x = 0; | |
| 169 int y = 0; | |
| 170 GdkWindow* expanded_window = gtk_widget_get_window(expanded_.get()); | |
| 171 if (expanded_window) | |
| 172 gdk_window_get_origin(expanded_window, &x, &y); | |
| 173 | |
| 174 GtkAllocation allocation; | |
| 175 gtk_widget_get_allocation(expanded_.get(), &allocation); | |
| 176 out->SetRect(x + allocation.x, y + allocation.y, | |
| 177 requested_size_.width(), requested_size_.height()); | |
| 178 } | |
| 179 | |
| 180 void TabContentsViewGtk::SetPageTitle(const string16& title) { | |
| 181 // Set the window name to include the page title so it's easier to spot | |
| 182 // when debugging (e.g. via xwininfo -tree). | |
| 183 gfx::NativeView content_view = GetContentNativeView(); | |
| 184 if (content_view) { | |
| 185 GdkWindow* content_window = gtk_widget_get_window(content_view); | |
| 186 if (content_window) { | |
| 187 gdk_window_set_title(content_window, UTF16ToUTF8(title).c_str()); | |
| 188 } | |
| 189 } | |
| 190 } | |
| 191 | |
| 192 void TabContentsViewGtk::OnTabCrashed(base::TerminationStatus status, | |
| 193 int error_code) { | |
| 194 } | |
| 195 | |
| 196 void TabContentsViewGtk::SizeContents(const gfx::Size& size) { | |
| 197 // We don't need to manually set the size of of widgets in GTK+, but we do | |
| 198 // need to pass the sizing information on to the RWHV which will pass the | |
| 199 // sizing information on to the renderer. | |
| 200 requested_size_ = size; | |
| 201 RenderWidgetHostView* rwhv = tab_contents_->GetRenderWidgetHostView(); | |
| 202 if (rwhv) | |
| 203 rwhv->SetSize(size); | |
| 204 } | |
| 205 | |
| 206 void TabContentsViewGtk::RenderViewCreated(content::RenderViewHost* host) { | |
| 207 } | |
| 208 | |
| 209 void TabContentsViewGtk::Focus() { | |
| 210 if (tab_contents_->ShowingInterstitialPage()) { | |
| 211 tab_contents_->GetInterstitialPage()->Focus(); | |
| 212 } else if (delegate_.get()) { | |
| 213 delegate_->Focus(); | |
| 214 } | |
| 215 } | |
| 216 | |
| 217 void TabContentsViewGtk::SetInitialFocus() { | |
| 218 if (tab_contents_->FocusLocationBarByDefault()) | |
| 219 tab_contents_->SetFocusToLocationBar(false); | |
| 220 else | |
| 221 Focus(); | |
| 222 } | |
| 223 | |
| 224 void TabContentsViewGtk::StoreFocus() { | |
| 225 focus_store_.Store(GetNativeView()); | |
| 226 } | |
| 227 | |
| 228 void TabContentsViewGtk::RestoreFocus() { | |
| 229 if (focus_store_.widget()) | |
| 230 gtk_widget_grab_focus(focus_store_.widget()); | |
| 231 else | |
| 232 SetInitialFocus(); | |
| 233 } | |
| 234 | |
| 235 bool TabContentsViewGtk::IsDoingDrag() const { | |
| 236 return false; | |
| 237 } | |
| 238 | |
| 239 void TabContentsViewGtk::CancelDragAndCloseTab() { | |
| 240 } | |
| 241 | |
| 242 bool TabContentsViewGtk::IsEventTracking() const { | |
| 243 return false; | |
| 244 } | |
| 245 | |
| 246 void TabContentsViewGtk::CloseTabAfterEventTracking() { | |
| 247 } | |
| 248 | |
| 249 void TabContentsViewGtk::GetViewBounds(gfx::Rect* out) const { | |
| 250 GdkWindow* window = gtk_widget_get_window(GetNativeView()); | |
| 251 if (!window) { | |
| 252 out->SetRect(0, 0, requested_size_.width(), requested_size_.height()); | |
| 253 return; | |
| 254 } | |
| 255 int x = 0, y = 0, w, h; | |
| 256 gdk_window_get_geometry(window, &x, &y, &w, &h, NULL); | |
| 257 out->SetRect(x, y, w, h); | |
| 258 } | |
| 259 | |
| 260 WebContents* TabContentsViewGtk::web_contents() { | |
| 261 return tab_contents_; | |
| 262 } | |
| 263 | |
| 264 void TabContentsViewGtk::UpdateDragCursor(WebDragOperation operation) { | |
| 265 drag_dest_->UpdateDragStatus(operation); | |
| 266 } | |
| 267 | |
| 268 void TabContentsViewGtk::GotFocus() { | |
| 269 // This is only used in the views FocusManager stuff but it bleeds through | |
| 270 // all subclasses. http://crbug.com/21875 | |
| 271 } | |
| 272 | |
| 273 // This is called when the renderer asks us to take focus back (i.e., it has | |
| 274 // iterated past the last focusable element on the page). | |
| 275 void TabContentsViewGtk::TakeFocus(bool reverse) { | |
| 276 if (!tab_contents_->GetDelegate()) | |
| 277 return; | |
| 278 if (!tab_contents_->GetDelegate()->TakeFocus(reverse)) { | |
| 279 gtk_widget_child_focus(GTK_WIDGET(GetTopLevelNativeWindow()), | |
| 280 reverse ? GTK_DIR_TAB_BACKWARD : GTK_DIR_TAB_FORWARD); | |
| 281 } | |
| 282 } | |
| 283 | |
| 284 void TabContentsViewGtk::InsertIntoContentArea(GtkWidget* widget) { | |
| 285 gtk_container_add(GTK_CONTAINER(expanded_.get()), widget); | |
| 286 } | |
| 287 | |
| 288 // Called when the content view gtk widget is tabbed to, or after the call to | |
| 289 // gtk_widget_child_focus() in TakeFocus(). We return true | |
| 290 // and grab focus if we don't have it. The call to | |
| 291 // FocusThroughTabTraversal(bool) forwards the "move focus forward" effect to | |
| 292 // webkit. | |
| 293 gboolean TabContentsViewGtk::OnFocus(GtkWidget* widget, | |
| 294 GtkDirectionType focus) { | |
| 295 // Give our view wrapper first chance at this event. | |
| 296 if (delegate_.get()) { | |
| 297 gboolean return_value = FALSE; | |
| 298 if (delegate_->OnNativeViewFocusEvent(widget, focus, &return_value)) | |
| 299 return return_value; | |
| 300 } | |
| 301 | |
| 302 // If we already have focus, let the next widget have a shot at it. We will | |
| 303 // reach this situation after the call to gtk_widget_child_focus() in | |
| 304 // TakeFocus(). | |
| 305 if (gtk_widget_is_focus(widget)) | |
| 306 return FALSE; | |
| 307 | |
| 308 gtk_widget_grab_focus(widget); | |
| 309 bool reverse = focus == GTK_DIR_TAB_BACKWARD; | |
| 310 tab_contents_->FocusThroughTabTraversal(reverse); | |
| 311 return TRUE; | |
| 312 } | |
| 313 | |
| 314 void TabContentsViewGtk::CreateNewWindow( | |
| 315 int route_id, | |
| 316 const ViewHostMsg_CreateWindow_Params& params) { | |
| 317 tab_contents_view_helper_.CreateNewWindow(tab_contents_, route_id, params); | |
| 318 } | |
| 319 | |
| 320 void TabContentsViewGtk::CreateNewWidget( | |
| 321 int route_id, WebKit::WebPopupType popup_type) { | |
| 322 tab_contents_view_helper_.CreateNewWidget(tab_contents_, | |
| 323 route_id, | |
| 324 false, | |
| 325 popup_type); | |
| 326 } | |
| 327 | |
| 328 void TabContentsViewGtk::CreateNewFullscreenWidget(int route_id) { | |
| 329 tab_contents_view_helper_.CreateNewWidget(tab_contents_, | |
| 330 route_id, | |
| 331 true, | |
| 332 WebKit::WebPopupTypeNone); | |
| 333 } | |
| 334 | |
| 335 void TabContentsViewGtk::ShowCreatedWindow(int route_id, | |
| 336 WindowOpenDisposition disposition, | |
| 337 const gfx::Rect& initial_pos, | |
| 338 bool user_gesture) { | |
| 339 tab_contents_view_helper_.ShowCreatedWindow( | |
| 340 tab_contents_, route_id, disposition, initial_pos, user_gesture); | |
| 341 } | |
| 342 | |
| 343 void TabContentsViewGtk::ShowCreatedWidget( | |
| 344 int route_id, const gfx::Rect& initial_pos) { | |
| 345 tab_contents_view_helper_.ShowCreatedWidget(tab_contents_, | |
| 346 route_id, | |
| 347 false, | |
| 348 initial_pos); | |
| 349 } | |
| 350 | |
| 351 void TabContentsViewGtk::ShowCreatedFullscreenWidget(int route_id) { | |
| 352 tab_contents_view_helper_.ShowCreatedWidget(tab_contents_, | |
| 353 route_id, | |
| 354 true, | |
| 355 gfx::Rect()); | |
| 356 } | |
| 357 | |
| 358 void TabContentsViewGtk::ShowContextMenu( | |
| 359 const content::ContextMenuParams& params) { | |
| 360 // Allow delegates to handle the context menu operation first. | |
| 361 if (web_contents()->GetDelegate() && | |
| 362 web_contents()->GetDelegate()->HandleContextMenu(params)) { | |
| 363 return; | |
| 364 } | |
| 365 | |
| 366 if (delegate_.get()) | |
| 367 delegate_->ShowContextMenu(params); | |
| 368 else | |
| 369 DLOG(ERROR) << "Cannot show context menus without a delegate."; | |
| 370 } | |
| 371 | |
| 372 void TabContentsViewGtk::ShowPopupMenu(const gfx::Rect& bounds, | |
| 373 int item_height, | |
| 374 double item_font_size, | |
| 375 int selected_item, | |
| 376 const std::vector<WebMenuItem>& items, | |
| 377 bool right_aligned) { | |
| 378 // We are not using external popup menus on Linux, they are rendered by | |
| 379 // WebKit. | |
| 380 NOTREACHED(); | |
| 381 } | |
| 382 | |
| 383 // Render view DnD ------------------------------------------------------------- | |
| 384 | |
| 385 void TabContentsViewGtk::StartDragging(const WebDropData& drop_data, | |
| 386 WebDragOperationsMask ops, | |
| 387 const SkBitmap& image, | |
| 388 const gfx::Point& image_offset) { | |
| 389 DCHECK(GetContentNativeView()); | |
| 390 | |
| 391 RenderWidgetHostViewGtk* view_gtk = static_cast<RenderWidgetHostViewGtk*>( | |
| 392 tab_contents_->GetRenderWidgetHostView()); | |
| 393 if (!view_gtk || !view_gtk->GetLastMouseDown()) | |
| 394 return; | |
| 395 | |
| 396 drag_source_->StartDragging(drop_data, ops, view_gtk->GetLastMouseDown(), | |
| 397 image, image_offset); | |
| 398 } | |
| 399 | |
| 400 // ----------------------------------------------------------------------------- | |
| 401 | |
| 402 void TabContentsViewGtk::OnChildSizeRequest(GtkWidget* widget, | |
| 403 GtkWidget* child, | |
| 404 GtkRequisition* requisition) { | |
| 405 if (tab_contents_->GetDelegate()) { | |
| 406 requisition->height += | |
| 407 tab_contents_->GetDelegate()->GetExtraRenderViewHeight(); | |
| 408 } | |
| 409 } | |
| 410 | |
| 411 void TabContentsViewGtk::OnSizeAllocate(GtkWidget* widget, | |
| 412 GtkAllocation* allocation) { | |
| 413 int width = allocation->width; | |
| 414 int height = allocation->height; | |
| 415 // |delegate()| can be NULL here during browser teardown. | |
| 416 if (tab_contents_->GetDelegate()) | |
| 417 height += tab_contents_->GetDelegate()->GetExtraRenderViewHeight(); | |
| 418 gfx::Size size(width, height); | |
| 419 requested_size_ = size; | |
| 420 | |
| 421 // We manually tell our RWHV to resize the renderer content. This avoids | |
| 422 // spurious resizes from GTK+. | |
| 423 RenderWidgetHostView* rwhv = tab_contents_->GetRenderWidgetHostView(); | |
| 424 if (rwhv) | |
| 425 rwhv->SetSize(size); | |
| 426 if (tab_contents_->GetInterstitialPage()) | |
| 427 tab_contents_->GetInterstitialPage()->SetSize(size); | |
| 428 } | |
| 429 | |
| 430 } // namespace content | |
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Chromium Code Reviews
Issue 10031044:
TabContents -> WebContentsImpl, part 5. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src