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1 // Copyright (c) 2011 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 #ifndef UI_BASE_DRAGDROP_GTK_DND_UTIL_H_ | |
6 #define UI_BASE_DRAGDROP_GTK_DND_UTIL_H_ | |
7 | |
8 #include <gtk/gtk.h> | |
9 | |
10 #include <vector> | |
11 | |
12 #include "base/strings/string16.h" | |
13 #include "ui/base/ui_base_export.h" | |
14 | |
15 class GURL; | |
16 | |
17 namespace ui { | |
18 | |
19 // Registry of all internal int codes for drag and drop. | |
20 enum { | |
21 // Intra-application types. | |
22 CHROME_TAB = 1 << 0, | |
23 CHROME_BOOKMARK_ITEM = 1 << 1, | |
24 CHROME_WEBDROP_FILE_CONTENTS = 1 << 2, | |
25 CHROME_NAMED_URL = 1 << 3, | |
26 | |
27 // Standard types. | |
28 TEXT_PLAIN = 1 << 4, | |
29 TEXT_URI_LIST = 1 << 5, | |
30 TEXT_HTML = 1 << 6, | |
31 | |
32 // Other types. NETSCAPE_URL is provided for compatibility with other | |
33 // apps. | |
34 NETSCAPE_URL = 1 << 7, | |
35 | |
36 // Used for drag-out download. | |
37 TEXT_PLAIN_NO_CHARSET = 1 << 8, | |
38 DIRECT_SAVE_FILE = 1 << 9, | |
39 | |
40 // Custom data for web drag/drop. | |
41 CUSTOM_DATA = 1 << 10, | |
42 | |
43 // Tracks if the drag originated from the renderer. | |
44 RENDERER_TAINT = 1 << 11, | |
45 | |
46 INVALID_TARGET = 1 << 12, | |
47 }; | |
48 | |
49 // Get the atom for a given target (of the above enum type). Will return NULL | |
50 // for non-custom targets, such as CHROME_TEXT_PLAIN. | |
51 UI_BASE_EXPORT GdkAtom GetAtomForTarget(int target); | |
52 | |
53 // Creates a target list from the given mask. The mask should be an OR of | |
54 // CHROME_* values. The target list is returned with ref count 1; the caller | |
55 // is responsible for calling gtk_target_list_unref() when it is no longer | |
56 // needed. | |
57 // Since the MIME type for WEBDROP_FILE_CONTENTS depends on the file's | |
58 // contents, that flag is ignored by this function. It is the responsibility | |
59 // of the client code to do the right thing. | |
60 UI_BASE_EXPORT GtkTargetList* GetTargetListFromCodeMask(int code_mask); | |
61 | |
62 // Set the drag target list for |source| with the target list that | |
63 // corresponds to |code_mask|. | |
64 UI_BASE_EXPORT void SetSourceTargetListFromCodeMask(GtkWidget* source, | |
65 int code_mask); | |
66 | |
67 // Set the accepted targets list for |dest|. The |target_codes| array should | |
68 // be sorted in preference order and should be terminated with -1. | |
69 UI_BASE_EXPORT void SetDestTargetList(GtkWidget* dest, const int* target_codes); | |
70 | |
71 // Write a URL to the selection in the given type. | |
72 UI_BASE_EXPORT void WriteURLWithName(GtkSelectionData* selection_data, | |
73 const GURL& url, | |
74 base::string16 title, | |
75 int type); | |
76 | |
77 // Extracts data of type CHROME_NAMED_URL from |selection_data| into | |
78 // |url| and |title|. Returns true if the url/title were safely extracted | |
79 // and the url is valid. | |
80 UI_BASE_EXPORT bool ExtractNamedURL(GtkSelectionData* selection_data, | |
81 GURL* url, | |
82 base::string16* title); | |
83 | |
84 // Extracts data of type TEXT_URI_LIST from |selection_data| into |urls|. | |
85 UI_BASE_EXPORT bool ExtractURIList(GtkSelectionData* selection_data, | |
86 std::vector<GURL>* urls); | |
87 | |
88 // Extracts a Netscape URL (url\ntitle) from |selection_data|. | |
89 UI_BASE_EXPORT bool ExtractNetscapeURL(GtkSelectionData* selection_data, | |
90 GURL* url, | |
91 base::string16* title); | |
92 | |
93 } // namespace ui | |
94 | |
95 #endif // UI_BASE_DRAGDROP_GTK_DND_UTIL_H_ | |
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