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/tab_contents/web_drag_bookmark_handler_gtk.h" 6 7 #include "chrome/browser/ui/browser.h" 8 #include "chrome/browser/ui/browser_finder.h" 9 #include "chrome/browser/ui/browser_window.h" 10 #include "chrome/browser/ui/gtk/bookmarks/bookmark_utils_gtk.h" 11 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h" 12 #include "chrome/browser/profiles/profile.h" 13 #include "content/public/browser/web_contents.h" 14 #include "ui/base/dragdrop/gtk_dnd_util.h" 15 16 using content::WebContents; 17 18 WebDragBookmarkHandlerGtk::WebDragBookmarkHandlerGtk() 19 : bookmark_tab_helper_(NULL), 20 web_contents_(NULL) { 21 } 22 23 WebDragBookmarkHandlerGtk::~WebDragBookmarkHandlerGtk() {} 24 25 void WebDragBookmarkHandlerGtk::DragInitialize(WebContents* contents) { 26 bookmark_drag_data_.Clear(); 27 28 // Ideally we would want to initialize the the BookmarkTabHelper member in 29 // the constructor. We cannot do that as the WebDragDestGtk object is 30 // created during the construction of the WebContents object. The 31 // BookmarkTabHelper is created much later. 32 web_contents_ = contents; 33 if (!bookmark_tab_helper_) 34 bookmark_tab_helper_ = BookmarkTabHelper::FromWebContents(contents); 35 } 36 37 GdkAtom WebDragBookmarkHandlerGtk::GetBookmarkTargetAtom() const { 38 // For GTK, bookmark drag data is encoded as pickle and associated with 39 // ui::CHROME_BOOKMARK_ITEM. See WriteBookmarksToSelection() for details. 40 return ui::GetAtomForTarget(ui::CHROME_BOOKMARK_ITEM); 41 } 42 43 void WebDragBookmarkHandlerGtk::OnReceiveDataFromGtk(GtkSelectionData* data) { 44 Profile* profile = 45 Profile::FromBrowserContext(web_contents_->GetBrowserContext()); 46 bookmark_drag_data_.ReadFromVector(GetNodesFromSelection( 47 NULL, data, ui::CHROME_BOOKMARK_ITEM, profile, NULL, NULL)); 48 bookmark_drag_data_.SetOriginatingProfile(profile); 49 } 50 51 void WebDragBookmarkHandlerGtk::OnReceiveProcessedData( 52 const GURL& url, 53 const base::string16& title) { 54 bookmark_drag_data_.ReadFromTuple(url, title); 55 } 56 57 void WebDragBookmarkHandlerGtk::OnDragOver() { 58 if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) { 59 bookmark_tab_helper_->bookmark_drag_delegate()->OnDragOver( 60 bookmark_drag_data_); 61 } 62 } 63 64 void WebDragBookmarkHandlerGtk::OnDragEnter() { 65 // This is non-null if the web_contents_ is showing an ExtensionWebUI with 66 // support for (at the moment experimental) drag and drop extensions. 67 if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) { 68 bookmark_tab_helper_->bookmark_drag_delegate()->OnDragEnter( 69 bookmark_drag_data_); 70 } 71 } 72 73 void WebDragBookmarkHandlerGtk::OnDrop() { 74 // This is non-null if web_contents_ is showing an ExtensionWebUI with 75 // support for (at the moment experimental) drag and drop extensions. 76 if (bookmark_tab_helper_) { 77 if (bookmark_tab_helper_->bookmark_drag_delegate()) { 78 bookmark_tab_helper_->bookmark_drag_delegate()->OnDrop( 79 bookmark_drag_data_); 80 } 81 82 // Focus the target browser. 83 Browser* browser = chrome::FindBrowserWithWebContents(web_contents_); 84 if (browser) 85 browser->window()->Show(); 86 } 87 } 88 89 void WebDragBookmarkHandlerGtk::OnDragLeave() { 90 if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) { 91 bookmark_tab_helper_->bookmark_drag_delegate()->OnDragLeave( 92 bookmark_drag_data_); 93 } 94 } 95
