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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/tab_contents/web_drag_dest_gtk.h" | 5 #include "chrome/browser/tab_contents/web_drag_dest_gtk.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 | 8 |
9 #include "app/gtk_dnd_util.h" | |
10 #include "base/file_path.h" | 9 #include "base/file_path.h" |
11 #include "base/utf_string_conversions.h" | 10 #include "base/utf_string_conversions.h" |
12 #include "chrome/browser/bookmarks/bookmark_node_data.h" | 11 #include "chrome/browser/bookmarks/bookmark_node_data.h" |
13 #include "chrome/browser/gtk/bookmark_utils_gtk.h" | 12 #include "chrome/browser/gtk/bookmark_utils_gtk.h" |
14 #include "chrome/browser/gtk/gtk_util.h" | 13 #include "chrome/browser/gtk/gtk_util.h" |
15 #include "chrome/browser/renderer_host/render_view_host.h" | 14 #include "chrome/browser/renderer_host/render_view_host.h" |
16 #include "chrome/browser/tab_contents/tab_contents.h" | 15 #include "chrome/browser/tab_contents/tab_contents.h" |
17 #include "chrome/common/url_constants.h" | 16 #include "chrome/common/url_constants.h" |
18 #include "net/base/net_util.h" | 17 #include "net/base/net_util.h" |
| 18 #include "ui/base/dragdrop/gtk_dnd_util.h" |
19 | 19 |
20 using WebKit::WebDragOperation; | 20 using WebKit::WebDragOperation; |
21 using WebKit::WebDragOperationNone; | 21 using WebKit::WebDragOperationNone; |
22 | 22 |
23 namespace { | 23 namespace { |
24 | 24 |
25 // Returns the bookmark target atom, based on the underlying toolkit. | 25 // Returns the bookmark target atom, based on the underlying toolkit. |
26 // | 26 // |
27 // For GTK, bookmark drag data is encoded as pickle and associated with | 27 // For GTK, bookmark drag data is encoded as pickle and associated with |
28 // gtk_dnd_util::CHROME_BOOKMARK_ITEM. See | 28 // ui::CHROME_BOOKMARK_ITEM. See // bookmark_utils::WriteBookmarksToSelection() |
29 // bookmark_utils::WriteBookmarksToSelection() for details. | 29 // for details. |
30 // For Views, bookmark drag data is encoded in the same format, and | 30 // For Views, bookmark drag data is encoded in the same format, and |
31 // associated with a custom format. See BookmarkNodeData::Write() for | 31 // associated with a custom format. See BookmarkNodeData::Write() for |
32 // details. | 32 // details. |
33 GdkAtom GetBookmarkTargetAtom() { | 33 GdkAtom GetBookmarkTargetAtom() { |
34 #if defined(TOOLKIT_VIEWS) | 34 #if defined(TOOLKIT_VIEWS) |
35 return BookmarkNodeData::GetBookmarkCustomFormat(); | 35 return BookmarkNodeData::GetBookmarkCustomFormat(); |
36 #else | 36 #else |
37 return gtk_dnd_util::GetAtomForTarget(gtk_dnd_util::CHROME_BOOKMARK_ITEM); | 37 return ui::GetAtomForTarget(ui::CHROME_BOOKMARK_ITEM); |
38 #endif | 38 #endif |
39 } | 39 } |
40 | 40 |
41 } // namespace | 41 } // namespace |
42 | 42 |
43 WebDragDestGtk::WebDragDestGtk(TabContents* tab_contents, GtkWidget* widget) | 43 WebDragDestGtk::WebDragDestGtk(TabContents* tab_contents, GtkWidget* widget) |
44 : tab_contents_(tab_contents), | 44 : tab_contents_(tab_contents), |
45 widget_(widget), | 45 widget_(widget), |
46 context_(NULL), | 46 context_(NULL), |
47 method_factory_(this) { | 47 method_factory_(this) { |
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97 drop_data_.reset(new WebDropData); | 97 drop_data_.reset(new WebDropData); |
98 bookmark_drag_data_.Clear(); | 98 bookmark_drag_data_.Clear(); |
99 is_drop_target_ = false; | 99 is_drop_target_ = false; |
100 | 100 |
101 // text/plain must come before text/uri-list. This is a hack that works in | 101 // text/plain must come before text/uri-list. This is a hack that works in |
102 // conjunction with OnDragDataReceived. Since some file managers populate | 102 // conjunction with OnDragDataReceived. Since some file managers populate |
103 // text/plain with file URLs when dragging files, we want to handle | 103 // text/plain with file URLs when dragging files, we want to handle |
104 // text/uri-list after text/plain so that the plain text can be cleared if | 104 // text/uri-list after text/plain so that the plain text can be cleared if |
105 // it's a file drag. | 105 // it's a file drag. |
106 static int supported_targets[] = { | 106 static int supported_targets[] = { |
107 gtk_dnd_util::TEXT_PLAIN, | 107 ui::TEXT_PLAIN, |
108 gtk_dnd_util::TEXT_URI_LIST, | 108 ui::TEXT_URI_LIST, |
109 gtk_dnd_util::TEXT_HTML, | 109 ui::TEXT_HTML, |
110 gtk_dnd_util::NETSCAPE_URL, | 110 ui::NETSCAPE_URL, |
111 gtk_dnd_util::CHROME_NAMED_URL, | 111 ui::CHROME_NAMED_URL, |
112 // TODO(estade): support image drags? | 112 // TODO(estade): support image drags? |
113 }; | 113 }; |
114 | 114 |
115 // Add the bookmark target as well. | 115 // Add the bookmark target as well. |
116 data_requests_ = arraysize(supported_targets) + 1; | 116 data_requests_ = arraysize(supported_targets) + 1; |
117 for (size_t i = 0; i < arraysize(supported_targets); ++i) { | 117 for (size_t i = 0; i < arraysize(supported_targets); ++i) { |
118 gtk_drag_get_data(widget_, context, | 118 gtk_drag_get_data(widget_, context, |
119 gtk_dnd_util::GetAtomForTarget(supported_targets[i]), | 119 ui::GetAtomForTarget(supported_targets[i]), |
120 time); | 120 time); |
121 } | 121 } |
122 | 122 |
123 gtk_drag_get_data(widget_, context, GetBookmarkTargetAtom(), time); | 123 gtk_drag_get_data(widget_, context, GetBookmarkTargetAtom(), time); |
124 } else if (data_requests_ == 0) { | 124 } else if (data_requests_ == 0) { |
125 tab_contents_->render_view_host()-> | 125 tab_contents_->render_view_host()-> |
126 DragTargetDragOver( | 126 DragTargetDragOver( |
127 gtk_util::ClientPoint(widget_), | 127 gtk_util::ClientPoint(widget_), |
128 gtk_util::ScreenPoint(widget_), | 128 gtk_util::ScreenPoint(widget_), |
129 gtk_util::GdkDragActionToWebDragOp(context->actions)); | 129 gtk_util::GdkDragActionToWebDragOp(context->actions)); |
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144 // care about. | 144 // care about. |
145 if (context != context_) | 145 if (context != context_) |
146 return; | 146 return; |
147 | 147 |
148 data_requests_--; | 148 data_requests_--; |
149 | 149 |
150 // Decode the data. | 150 // Decode the data. |
151 if (data->data && data->length > 0) { | 151 if (data->data && data->length > 0) { |
152 // If the source can't provide us with valid data for a requested target, | 152 // If the source can't provide us with valid data for a requested target, |
153 // data->data will be NULL. | 153 // data->data will be NULL. |
154 if (data->target == | 154 if (data->target == ui::GetAtomForTarget(ui::TEXT_PLAIN)) { |
155 gtk_dnd_util::GetAtomForTarget(gtk_dnd_util::TEXT_PLAIN)) { | |
156 guchar* text = gtk_selection_data_get_text(data); | 155 guchar* text = gtk_selection_data_get_text(data); |
157 if (text) { | 156 if (text) { |
158 drop_data_->plain_text = | 157 drop_data_->plain_text = |
159 UTF8ToUTF16(std::string(reinterpret_cast<char*>(text), | 158 UTF8ToUTF16(std::string(reinterpret_cast<char*>(text), |
160 data->length)); | 159 data->length)); |
161 g_free(text); | 160 g_free(text); |
162 } | 161 } |
163 } else if (data->target == | 162 } else if (data->target == ui::GetAtomForTarget(ui::TEXT_URI_LIST)) { |
164 gtk_dnd_util::GetAtomForTarget(gtk_dnd_util::TEXT_URI_LIST)) { | |
165 gchar** uris = gtk_selection_data_get_uris(data); | 163 gchar** uris = gtk_selection_data_get_uris(data); |
166 if (uris) { | 164 if (uris) { |
167 drop_data_->url = GURL(); | 165 drop_data_->url = GURL(); |
168 for (gchar** uri_iter = uris; *uri_iter; uri_iter++) { | 166 for (gchar** uri_iter = uris; *uri_iter; uri_iter++) { |
169 // Most file managers populate text/uri-list with file URLs when | 167 // Most file managers populate text/uri-list with file URLs when |
170 // dragging files. To avoid exposing file system paths to web content, | 168 // dragging files. To avoid exposing file system paths to web content, |
171 // file URLs are never set as the URL content for the drop. | 169 // file URLs are never set as the URL content for the drop. |
172 // TODO(estade): Can the filenames have a non-UTF8 encoding? | 170 // TODO(estade): Can the filenames have a non-UTF8 encoding? |
173 GURL url(*uri_iter); | 171 GURL url(*uri_iter); |
174 FilePath file_path; | 172 FilePath file_path; |
175 if (url.SchemeIs(chrome::kFileScheme) && | 173 if (url.SchemeIs(chrome::kFileScheme) && |
176 net::FileURLToFilePath(url, &file_path)) { | 174 net::FileURLToFilePath(url, &file_path)) { |
177 drop_data_->filenames.push_back(UTF8ToUTF16(file_path.value())); | 175 drop_data_->filenames.push_back(UTF8ToUTF16(file_path.value())); |
178 // This is a hack. Some file managers also populate text/plain with | 176 // This is a hack. Some file managers also populate text/plain with |
179 // a file URL when dragging files, so we clear it to avoid exposing | 177 // a file URL when dragging files, so we clear it to avoid exposing |
180 // it to the web content. | 178 // it to the web content. |
181 drop_data_->plain_text.clear(); | 179 drop_data_->plain_text.clear(); |
182 } else if (!drop_data_->url.is_valid()) { | 180 } else if (!drop_data_->url.is_valid()) { |
183 // Also set the first non-file URL as the URL content for the drop. | 181 // Also set the first non-file URL as the URL content for the drop. |
184 drop_data_->url = url; | 182 drop_data_->url = url; |
185 } | 183 } |
186 } | 184 } |
187 g_strfreev(uris); | 185 g_strfreev(uris); |
188 } | 186 } |
189 } else if (data->target == | 187 } else if (data->target == ui::GetAtomForTarget(ui::TEXT_HTML)) { |
190 gtk_dnd_util::GetAtomForTarget(gtk_dnd_util::TEXT_HTML)) { | |
191 // TODO(estade): Can the html have a non-UTF8 encoding? | 188 // TODO(estade): Can the html have a non-UTF8 encoding? |
192 drop_data_->text_html = | 189 drop_data_->text_html = |
193 UTF8ToUTF16(std::string(reinterpret_cast<char*>(data->data), | 190 UTF8ToUTF16(std::string(reinterpret_cast<char*>(data->data), |
194 data->length)); | 191 data->length)); |
195 // We leave the base URL empty. | 192 // We leave the base URL empty. |
196 } else if (data->target == | 193 } else if (data->target == ui::GetAtomForTarget(ui::NETSCAPE_URL)) { |
197 gtk_dnd_util::GetAtomForTarget(gtk_dnd_util::NETSCAPE_URL)) { | |
198 std::string netscape_url(reinterpret_cast<char*>(data->data), | 194 std::string netscape_url(reinterpret_cast<char*>(data->data), |
199 data->length); | 195 data->length); |
200 size_t split = netscape_url.find_first_of('\n'); | 196 size_t split = netscape_url.find_first_of('\n'); |
201 if (split != std::string::npos) { | 197 if (split != std::string::npos) { |
202 drop_data_->url = GURL(netscape_url.substr(0, split)); | 198 drop_data_->url = GURL(netscape_url.substr(0, split)); |
203 if (split < netscape_url.size() - 1) | 199 if (split < netscape_url.size() - 1) |
204 drop_data_->url_title = UTF8ToUTF16(netscape_url.substr(split + 1)); | 200 drop_data_->url_title = UTF8ToUTF16(netscape_url.substr(split + 1)); |
205 } | 201 } |
206 } else if (data->target == | 202 } else if (data->target == ui::GetAtomForTarget(ui::CHROME_NAMED_URL)) { |
207 gtk_dnd_util::GetAtomForTarget(gtk_dnd_util::CHROME_NAMED_URL)) { | 203 ui::ExtractNamedURL(data, &drop_data_->url, &drop_data_->url_title); |
208 gtk_dnd_util::ExtractNamedURL(data, | |
209 &drop_data_->url, &drop_data_->url_title); | |
210 } | 204 } |
211 } | 205 } |
212 | 206 |
213 // For CHROME_BOOKMARK_ITEM, we have to handle the case where the drag source | 207 // For CHROME_BOOKMARK_ITEM, we have to handle the case where the drag source |
214 // doesn't have any data available for us. In this case we try to synthesize a | 208 // doesn't have any data available for us. In this case we try to synthesize a |
215 // URL bookmark. | 209 // URL bookmark. |
216 // Note that bookmark drag data is encoded in the same format for both | 210 // Note that bookmark drag data is encoded in the same format for both |
217 // GTK and Views, hence we can share the same logic here. | 211 // GTK and Views, hence we can share the same logic here. |
218 if (data->target == GetBookmarkTargetAtom()) { | 212 if (data->target == GetBookmarkTargetAtom()) { |
219 if (data->data && data->length > 0) { | 213 if (data->data && data->length > 0) { |
220 bookmark_drag_data_.ReadFromVector( | 214 bookmark_drag_data_.ReadFromVector( |
221 bookmark_utils::GetNodesFromSelection( | 215 bookmark_utils::GetNodesFromSelection( |
222 NULL, data, | 216 NULL, data, |
223 gtk_dnd_util::CHROME_BOOKMARK_ITEM, | 217 ui::CHROME_BOOKMARK_ITEM, |
224 tab_contents_->profile(), NULL, NULL)); | 218 tab_contents_->profile(), NULL, NULL)); |
225 bookmark_drag_data_.SetOriginatingProfile(tab_contents_->profile()); | 219 bookmark_drag_data_.SetOriginatingProfile(tab_contents_->profile()); |
226 } else { | 220 } else { |
227 bookmark_drag_data_.ReadFromTuple(drop_data_->url, | 221 bookmark_drag_data_.ReadFromTuple(drop_data_->url, |
228 drop_data_->url_title); | 222 drop_data_->url_title); |
229 } | 223 } |
230 } | 224 } |
231 | 225 |
232 if (data_requests_ == 0) { | 226 if (data_requests_ == 0) { |
233 // Tell the renderer about the drag. | 227 // Tell the renderer about the drag. |
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278 // support for (at the moment experimental) drag and drop extensions. | 272 // support for (at the moment experimental) drag and drop extensions. |
279 if (tab_contents_->GetBookmarkDragDelegate()) | 273 if (tab_contents_->GetBookmarkDragDelegate()) |
280 tab_contents_->GetBookmarkDragDelegate()->OnDrop(bookmark_drag_data_); | 274 tab_contents_->GetBookmarkDragDelegate()->OnDrop(bookmark_drag_data_); |
281 | 275 |
282 // The second parameter is just an educated guess as to whether or not the | 276 // The second parameter is just an educated guess as to whether or not the |
283 // drag succeeded, but at least we will get the drag-end animation right | 277 // drag succeeded, but at least we will get the drag-end animation right |
284 // sometimes. | 278 // sometimes. |
285 gtk_drag_finish(context, is_drop_target_, FALSE, time); | 279 gtk_drag_finish(context, is_drop_target_, FALSE, time); |
286 return TRUE; | 280 return TRUE; |
287 } | 281 } |
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