chrome/browser/ui/cocoa/tab_contents/web_drag_bookmark_handler_mac.mm

   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/cocoa/tab_contents/web_drag_bookmark_handler_mac.h"
   6
   7 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
   8 #include "chrome/browser/ui/browser.h"
   9 #include "chrome/browser/ui/browser_finder.h"
  10 #include "chrome/browser/ui/browser_window.h"
  11 #include "content/public/browser/web_contents.h"
  12
  13 using content::WebContents;
  14
  15 WebDragBookmarkHandlerMac::WebDragBookmarkHandlerMac()
  16     : bookmark_tab_helper_(NULL),
  17       web_contents_(NULL) {
  18 }
  19
  20 WebDragBookmarkHandlerMac::~WebDragBookmarkHandlerMac() {}
  21
  22 void WebDragBookmarkHandlerMac::DragInitialize(WebContents* contents) {
  23   web_contents_ = contents;
  24   if (!bookmark_tab_helper_)
  25     bookmark_tab_helper_ = BookmarkTabHelper::FromWebContents(contents);
  26
  27   bookmark_drag_data_.ReadFromClipboard(ui::CLIPBOARD_TYPE_DRAG);
  28 }
  29
  30 void WebDragBookmarkHandlerMac::OnDragOver() {
  31   if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) {
  32     bookmark_tab_helper_->bookmark_drag_delegate()->OnDragOver(
  33         bookmark_drag_data_);
  34   }
  35 }
  36
  37 void WebDragBookmarkHandlerMac::OnDragEnter() {
  38   if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) {
  39     bookmark_tab_helper_->bookmark_drag_delegate()->OnDragEnter(
  40         bookmark_drag_data_);
  41   }
  42 }
  43
  44 void WebDragBookmarkHandlerMac::OnDrop() {
  45   // This is non-null if the web_contents_ is showing an ExtensionWebUI with
  46   // support for (at the moment experimental) drag and drop extensions.
  47   if (bookmark_tab_helper_) {
  48     if (bookmark_tab_helper_->bookmark_drag_delegate()) {
  49       bookmark_tab_helper_->bookmark_drag_delegate()->OnDrop(
  50           bookmark_drag_data_);
  51     }
  52
  53     // Focus the target browser.
  54     Browser* browser = chrome::FindBrowserWithWebContents(web_contents_);
  55     if (browser)
  56       browser->window()->Show();
  57   }
  58 }
  59
  60 void WebDragBookmarkHandlerMac::OnDragLeave() {
  61   if (bookmark_tab_helper_ && bookmark_tab_helper_->bookmark_drag_delegate()) {
  62     bookmark_tab_helper_->bookmark_drag_delegate()->OnDragLeave(
  63         bookmark_drag_data_);
  64   }
  65 }