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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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