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 bookmark_utils::WriteBookmarksToSelection() 40 // for details. 41 return ui::GetAtomForTarget(ui::CHROME_BOOKMARK_ITEM); 42 } 43 44 void WebDragBookmarkHandlerGtk::OnReceiveDataFromGtk(GtkSelectionData* data) { 45 Profile* profile = 46 Profile::FromBrowserContext(web_contents_->GetBrowserContext()); 47 bookmark_drag_data_.ReadFromVector( 48 bookmark_utils::GetNodesFromSelection( 49 NULL, data, 50 ui::CHROME_BOOKMARK_ITEM, 51 profile, NULL, NULL)); 52 bookmark_drag_data_.SetOriginatingProfile(profile); 53 } 54 55 void WebDragBookmarkHandlerGtk::OnReceiveProcessedData(const GURL& url, 56 const string16& title) { 57 bookmark_drag_data_.ReadFromTuple(url, title); 58 } 59 60 void WebDragBookmarkHandlerGtk::OnDragOver() { 61 if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) { 62 bookmark_tab_helper_->bookmark_drag_delegate()->OnDragOver( 63 bookmark_drag_data_); 64 } 65 } 66 67 void WebDragBookmarkHandlerGtk::OnDragEnter() { 68 // This is non-null if the web_contents_ is showing an ExtensionWebUI with 69 // support for (at the moment experimental) drag and drop extensions. 70 if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) { 71 bookmark_tab_helper_->bookmark_drag_delegate()->OnDragEnter( 72 bookmark_drag_data_); 73 } 74 } 75 76 void WebDragBookmarkHandlerGtk::OnDrop() { 77 // This is non-null if web_contents_ is showing an ExtensionWebUI with 78 // support for (at the moment experimental) drag and drop extensions. 79 if (bookmark_tab_helper_) { 80 if (bookmark_tab_helper_->bookmark_drag_delegate()) { 81 bookmark_tab_helper_->bookmark_drag_delegate()->OnDrop( 82 bookmark_drag_data_); 83 } 84 85 // Focus the target browser. 86 Browser* browser = chrome::FindBrowserWithWebContents(web_contents_); 87 if (browser) 88 browser->window()->Show(); 89 } 90 } 91 92 void WebDragBookmarkHandlerGtk::OnDragLeave() { 93 if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) { 94 bookmark_tab_helper_->bookmark_drag_delegate()->OnDragLeave( 95 bookmark_drag_data_); 96 } 97 } 98
