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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "app/gtk_dnd_util.h"
#include <string>
#include "base/logging.h"
#include "base/pickle.h"
#include "base/utf_string_conversions.h"
#include "googleurl/src/gurl.h"
static const int kBitsPerByte = 8;
namespace {
void AddTargetToList(GtkTargetList* targets, int target_code) {
switch (target_code) {
case gtk_dnd_util::TEXT_PLAIN:
gtk_target_list_add_text_targets(targets, gtk_dnd_util::TEXT_PLAIN);
break;
case gtk_dnd_util::TEXT_URI_LIST:
gtk_target_list_add_uri_targets(targets, gtk_dnd_util::TEXT_URI_LIST);
break;
case gtk_dnd_util::TEXT_HTML:
gtk_target_list_add(
targets, gtk_dnd_util::GetAtomForTarget(gtk_dnd_util::TEXT_HTML),
0, gtk_dnd_util::TEXT_HTML);
break;
case gtk_dnd_util::NETSCAPE_URL:
gtk_target_list_add(targets,
gtk_dnd_util::GetAtomForTarget(gtk_dnd_util::NETSCAPE_URL),
0, gtk_dnd_util::NETSCAPE_URL);
break;
case gtk_dnd_util::CHROME_TAB:
case gtk_dnd_util::CHROME_BOOKMARK_ITEM:
case gtk_dnd_util::CHROME_NAMED_URL:
gtk_target_list_add(targets, gtk_dnd_util::GetAtomForTarget(target_code),
GTK_TARGET_SAME_APP, target_code);
break;
case gtk_dnd_util::DIRECT_SAVE_FILE:
gtk_target_list_add(targets,
gtk_dnd_util::GetAtomForTarget(gtk_dnd_util::DIRECT_SAVE_FILE),
0, gtk_dnd_util::DIRECT_SAVE_FILE);
break;
default:
NOTREACHED() << " Unexpected target code: " << target_code;
}
}
} // namespace
namespace gtk_dnd_util {
GdkAtom GetAtomForTarget(int target) {
switch (target) {
case CHROME_TAB:
static GdkAtom tab_atom = gdk_atom_intern(
const_cast<char*>("application/x-chrome-tab"), false);
return tab_atom;
case TEXT_HTML:
static GdkAtom html_atom = gdk_atom_intern(
const_cast<char*>("text/html"), false);
return html_atom;
case CHROME_BOOKMARK_ITEM:
static GdkAtom bookmark_atom = gdk_atom_intern(
const_cast<char*>("application/x-chrome-bookmark-item"), false);
return bookmark_atom;
case TEXT_PLAIN:
static GdkAtom text_atom = gdk_atom_intern(
const_cast<char*>("text/plain;charset=utf-8"), false);
return text_atom;
case TEXT_URI_LIST:
static GdkAtom uris_atom = gdk_atom_intern(
const_cast<char*>("text/uri-list"), false);
return uris_atom;
case CHROME_NAMED_URL:
static GdkAtom named_url = gdk_atom_intern(
const_cast<char*>("application/x-chrome-named-url"), false);
return named_url;
case NETSCAPE_URL:
static GdkAtom netscape_url = gdk_atom_intern(
const_cast<char*>("_NETSCAPE_URL"), false);
return netscape_url;
case TEXT_PLAIN_NO_CHARSET:
static GdkAtom text_no_charset_atom = gdk_atom_intern(
const_cast<char*>("text/plain"), false);
return text_no_charset_atom;
case DIRECT_SAVE_FILE:
static GdkAtom xds_atom = gdk_atom_intern(
const_cast<char*>("XdndDirectSave0"), false);
return xds_atom;
default:
NOTREACHED();
}
return NULL;
}
GtkTargetList* GetTargetListFromCodeMask(int code_mask) {
GtkTargetList* targets = gtk_target_list_new(NULL, 0);
for (size_t i = 1; i < INVALID_TARGET; i = i << 1) {
if (i == CHROME_WEBDROP_FILE_CONTENTS)
continue;
if (i & code_mask)
AddTargetToList(targets, i);
}
return targets;
}
void SetSourceTargetListFromCodeMask(GtkWidget* source, int code_mask) {
GtkTargetList* targets = GetTargetListFromCodeMask(code_mask);
gtk_drag_source_set_target_list(source, targets);
gtk_target_list_unref(targets);
}
void SetDestTargetList(GtkWidget* dest, const int* target_codes) {
GtkTargetList* targets = gtk_target_list_new(NULL, 0);
for (size_t i = 0; target_codes[i] != -1; ++i) {
AddTargetToList(targets, target_codes[i]);
}
gtk_drag_dest_set_target_list(dest, targets);
gtk_target_list_unref(targets);
}
void WriteURLWithName(GtkSelectionData* selection_data,
const GURL& url,
const string16& title,
int type) {
switch (type) {
case TEXT_PLAIN: {
gtk_selection_data_set_text(selection_data, url.spec().c_str(),
url.spec().length());
break;
}
case TEXT_URI_LIST: {
gchar* uri_array[2];
uri_array[0] = strdup(url.spec().c_str());
uri_array[1] = NULL;
gtk_selection_data_set_uris(selection_data, uri_array);
free(uri_array[0]);
break;
}
case CHROME_NAMED_URL: {
Pickle pickle;
pickle.WriteString(UTF16ToUTF8(title));
pickle.WriteString(url.spec());
gtk_selection_data_set(
selection_data,
GetAtomForTarget(gtk_dnd_util::CHROME_NAMED_URL),
kBitsPerByte,
reinterpret_cast<const guchar*>(pickle.data()),
pickle.size());
break;
}
case NETSCAPE_URL: {
// _NETSCAPE_URL format is URL + \n + title.
std::string utf8_text = url.spec() + "\n" + UTF16ToUTF8(title);
gtk_selection_data_set(selection_data,
selection_data->target,
kBitsPerByte,
reinterpret_cast<const guchar*>(utf8_text.c_str()),
utf8_text.length());
break;
}
default: {
NOTREACHED();
break;
}
}
}
bool ExtractNamedURL(GtkSelectionData* selection_data,
GURL* url,
string16* title) {
if (!selection_data || selection_data->length <= 0)
return false;
Pickle data(reinterpret_cast<char*>(selection_data->data),
selection_data->length);
void* iter = NULL;
std::string title_utf8, url_utf8;
if (!data.ReadString(&iter, &title_utf8) ||
!data.ReadString(&iter, &url_utf8)) {
return false;
}
GURL gurl(url_utf8);
if (!gurl.is_valid())
return false;
*url = gurl;
*title = UTF8ToUTF16(title_utf8);
return true;
}
bool ExtractURIList(GtkSelectionData* selection_data, std::vector<GURL>* urls) {
gchar** uris = gtk_selection_data_get_uris(selection_data);
if (!uris)
return false;
for (size_t i = 0; uris[i] != NULL; ++i) {
GURL url(uris[i]);
if (url.is_valid())
urls->push_back(url);
}
g_strfreev(uris);
return true;
}
} // namespace gtk_dnd_util
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