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15e1d52c06
firefox/firefox-2.0-dnd.patch
Christopher Aillon 795983ff16 fix up casting
2007-08-08 17:00:42 +00:00

950 lines
40 KiB
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Index: widget/src/gtk2/nsClipboard.cpp
===================================================================
RCS file: /export/src/cvs/mozilla1.7/mozilla/widget/src/gtk2/nsClipboard.cpp,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 nsClipboard.cpp
--- widget/src/gtk2/nsClipboard.cpp 2004/04/13 06:46:17 1.1.1.1
+++ widget/src/gtk2/nsClipboard.cpp 2004/04/13 08:22:00
@@ -73,7 +73,7 @@
GdkEventSelection *aEvent,
nsClipboard *aClipboard);
-static void
+void
ConvertHTMLtoUCS2 (guchar *data,
PRInt32 dataLength,
PRUnichar **unicodeData,
@@ -473,7 +473,6 @@
// utf-8.
PRInt32 whichClipboard;
-
// which clipboard?
if (aSelectionData->selection == GDK_SELECTION_PRIMARY)
whichClipboard = kSelectionClipboard;
@@ -547,16 +546,8 @@
* Byte Order Mark (BOM)). Adding BOM can help other app to
* detect mozilla use UCS2 encoding when copy-paste.
*/
- guchar *buffer = (guchar *)
- nsMemory::Alloc((len * sizeof(guchar)) + sizeof(PRUnichar));
- if (!buffer)
- return;
- PRUnichar prefix = 0xFEFF;
- memcpy(buffer, &prefix, sizeof(prefix));
- memcpy(buffer + sizeof(prefix), primitive_data, len);
- nsMemory::Free((guchar *)primitive_data);
- primitive_data = (guchar *)buffer;
- len += sizeof(prefix);
+ addBOM(NS_REINTERPRET_CAST(guchar **, &primitive_data),
+ NS_REINTERPRET_CAST(gint *, &len));
}
gtk_selection_data_set(aSelectionData, aSelectionData->target,
@@ -736,6 +727,22 @@
return;
}
str.AssignLiteral("UNKNOWN");
+}
+
+void addBOM(guchar **data, gint *len)
+{
+ guchar* indata = *data;
+ gint inlen = *len;
+ guchar *buffer = (guchar *)
+ nsMemory::Alloc((inlen * sizeof(guchar)) + sizeof(PRUnichar));
+ if (!buffer)
+ return;
+ PRUnichar prefix = 0xFEFF;
+ memcpy(buffer, &prefix, sizeof(prefix));
+ memcpy(buffer + sizeof(prefix), indata, inlen);
+ nsMemory::Free((guchar *)indata);
+ *data = (guchar *)buffer;
+ *len += sizeof(prefix);
}
static void
Index: widget/src/gtk2/nsClipboard.h
===================================================================
RCS file: /export/src/cvs/mozilla1.7/mozilla/widget/src/gtk2/nsClipboard.h,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 nsClipboard.h
--- widget/src/gtk2/nsClipboard.h 2004/04/13 06:46:17 1.1.1.1
+++ widget/src/gtk2/nsClipboard.h 2004/04/13 08:22:00
@@ -87,4 +87,6 @@
};
+void addBOM(guchar **data, gint *len);
+
#endif /* __nsClipboard_h_ */
Index: widget/src/gtk2/nsDragService.cpp
===================================================================
RCS file: /export/src/cvs/mozilla1.7/mozilla/widget/src/gtk2/nsDragService.cpp,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 nsDragService.cpp
--- widget/src/gtk2/nsDragService.cpp 2004/04/13 06:46:17 1.1.1.1
+++ widget/src/gtk2/nsDragService.cpp 2004/04/13 08:22:00
@@ -41,6 +41,8 @@
#include <gtk/gtkinvisible.h>
#include <gdk/gdkx.h>
#include "nsCRT.h"
+#include "nsString.h"
+#include "nsReadableUtils.h"
static PRLogModuleInfo *sDragLm = NULL;
@@ -49,6 +51,9 @@
static const char gMozUrlType[] = "_NETSCAPE_URL";
static const char gTextUriListType[] = "text/uri-list";
+static const char gPlainTextUTF16[] = "text/plain;charset=utf-16";
+static const char gPlainTextUTF8[] = "text/plain;charset=utf-8";
+
NS_IMPL_ADDREF_INHERITED(nsDragService, nsBaseDragService)
NS_IMPL_RELEASE_INHERITED(nsDragService, nsBaseDragService)
NS_IMPL_QUERY_INTERFACE4(nsDragService,
@@ -57,6 +62,10 @@
nsIDragSessionGTK,
nsIObserver)
+void addBOM(guchar **data, gint *len);
+void ConvertHTMLtoUCS2(guchar * data, PRInt32 dataLength,
+ PRUnichar** unicodeData, PRInt32& outUnicodeLen);
+
static void
invisibleSourceDragEnd(GtkWidget *aWidget,
GdkDragContext *aContext,
@@ -70,6 +79,38 @@
guint32 aTime,
gpointer aData);
+struct AutoConvertTargetPair {
+ const char * internal; // the drag data receiving side
+ const char * outside; // the drag data providing side
+ TargetConverter out2in;
+ TargetConverter in2out;
+};
+
+//converters
+static void utf8_to_ucs2 (const char *aDataIn, unsigned int aDataInLen,
+ char **aDataOut, unsigned int *aDataOutLen);
+static void ucs2_to_text (const char *aDataIn, unsigned int aDataInLen,
+ char **aDataOut, unsigned int *aDataOutLen);
+static void text_to_ucs2 (const char *aDataIn, unsigned int aDataInLen,
+ char **aDataOut, unsigned int *aDataOutLen);
+
+// The table used to match an internal target to an outside target
+// the entry comes early has high priority in matching
+static const AutoConvertTargetPair autoConvertPair[] = {
+ {kUnicodeMime, "UTF8_STRING", utf8_to_ucs2, ucs2_to_text},
+ {kUnicodeMime, "COMPOUND_TEXT", utf8_to_ucs2, ucs2_to_text},
+ {kUnicodeMime, "TEXT", utf8_to_ucs2, ucs2_to_text},
+ {kUnicodeMime, "STRING", utf8_to_ucs2, ucs2_to_text},
+ {kUnicodeMime, kTextMime, text_to_ucs2, ucs2_to_text},
+ {kUnicodeMime, gPlainTextUTF16, NULL, NULL},
+ {kUnicodeMime, gPlainTextUTF8, text_to_ucs2, ucs2_to_text},
+
+ {kURLMime, gTextUriListType, NULL, ucs2_to_text},
+ {kURLMime, gMozUrlType, text_to_ucs2, ucs2_to_text},
+
+ {NULL, NULL, NULL, NULL},
+};
+
nsDragService::nsDragService()
{
// We have to destroy the hidden widget before the event loop stops
@@ -92,7 +133,7 @@
// set up our logging module
if (!sDragLm)
- sDragLm = PR_NewLogModule("nsDragService");
+ sDragLm = PR_NewLogModule("nsDragService");
PR_LOG(sDragLm, PR_LOG_DEBUG, ("nsDragService::nsDragService"));
mTargetWidget = 0;
mTargetDragContext = 0;
@@ -101,6 +142,8 @@
mTargetDragDataReceived = PR_FALSE;
mTargetDragData = 0;
mTargetDragDataLen = 0;
+ mTargetDragGdkAtom = 0;
+ mTargetConverter = NULL;
}
nsDragService::~nsDragService()
@@ -173,6 +216,16 @@
event.button.window = mHiddenWidget->window;
event.button.time = nsWindow::mLastButtonPressTime;
+ event.button.send_event = 0;
+ event.button.x = 0;
+ event.button.y = 0;
+ event.button.state = 0;
+ event.button.button = 0;
+ event.button.device = 0;
+ event.button.x_root = 0;
+ event.button.y_root = 0;
+
+
// start our drag.
GdkDragContext *context = gtk_drag_begin(mHiddenWidget,
sourceList,
@@ -291,7 +344,7 @@
NS_IMETHODIMP
nsDragService::GetNumDropItems(PRUint32 * aNumItems)
{
- PR_LOG(sDragLm, PR_LOG_DEBUG, ("nsDragService::GetNumDropItems"));
+ PR_LOG(sDragLm, PR_LOG_DEBUG, ("==nsDragService::GetNumDropItems==\n"));
PRBool isList = IsTargetContextList();
if (isList)
mSourceDataItems->Count(aNumItems);
@@ -303,8 +356,9 @@
*aNumItems = CountTextUriListItems(data, mTargetDragDataLen);
} else
*aNumItems = 1;
+ TargetResetData();
}
- PR_LOG(sDragLm, PR_LOG_DEBUG, ("%d items", *aNumItems));
+ PR_LOG(sDragLm, PR_LOG_DEBUG, ("%d items\n", *aNumItems));
return NS_OK;
}
@@ -360,7 +414,7 @@
PRUint32 tmpDataLen = 0;
PR_LOG(sDragLm, PR_LOG_DEBUG,
("trying to get transfer data for %s\n",
- (const char *)flavorStr));
+ (const char *)flavorStr));
rv = item->GetTransferData(flavorStr,
getter_AddRefs(data),
&tmpDataLen);
@@ -387,6 +441,7 @@
// Now walk down the list of flavors. When we find one that is
// actually present, copy out the data into the transferable in that
// format. SetTransferData() implicitly handles conversions.
+
for ( i = 0; i < cnt; ++i ) {
nsCOMPtr<nsISupports> genericWrapper;
flavorList->GetElementAt(i,getter_AddRefs(genericWrapper));
@@ -399,118 +454,58 @@
GdkAtom gdkFlavor = gdk_atom_intern(flavorStr, FALSE);
PR_LOG(sDragLm, PR_LOG_DEBUG,
("looking for data in type %s, gdk flavor %ld\n",
- NS_STATIC_CAST(const char*,flavorStr), gdkFlavor));
+ NS_STATIC_CAST(const char*,flavorStr), gdkFlavor));
PRBool dataFound = PR_FALSE;
if (gdkFlavor) {
GetTargetDragData(gdkFlavor);
}
if (mTargetDragData) {
- PR_LOG(sDragLm, PR_LOG_DEBUG, ("dataFound = PR_TRUE\n"));
+ PR_LOG(sDragLm, PR_LOG_DEBUG,
+ ("dataFound = PR_TRUE for %s\n", gdk_atom_name(mTargetDragGdkAtom)));
dataFound = PR_TRUE;
- }
- else {
- PR_LOG(sDragLm, PR_LOG_DEBUG, ("dataFound = PR_FALSE\n"));
- // if we are looking for text/unicode and we fail to find it
- // on the clipboard first, try again with text/plain. If that
- // is present, convert it to unicode.
- if ( strcmp(flavorStr, kUnicodeMime) == 0 ) {
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("we were looking for text/unicode... \
- trying again with text/plain\n"));
- gdkFlavor = gdk_atom_intern(kTextMime, FALSE);
- GetTargetDragData(gdkFlavor);
- if (mTargetDragData) {
- PR_LOG(sDragLm, PR_LOG_DEBUG, ("Got textplain data\n"));
- const char* castedText =
- NS_REINTERPRET_CAST(char*, mTargetDragData);
- PRUnichar* convertedText = nsnull;
- PRInt32 convertedTextLen = 0;
- nsPrimitiveHelpers::ConvertPlatformPlainTextToUnicode(
- castedText, mTargetDragDataLen,
- &convertedText, &convertedTextLen);
- if ( convertedText ) {
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("successfully converted plain text \
- to unicode.\n"));
- // out with the old, in with the new
- g_free(mTargetDragData);
- mTargetDragData = convertedText;
- mTargetDragDataLen = convertedTextLen * 2;
- dataFound = PR_TRUE;
- } // if plain text data on clipboard
- } // if plain text flavor present
- } // if looking for text/unicode
-
- // if we are looking for text/x-moz-url and we failed to find
- // it on the clipboard, try again with text/uri-list, and then
- // _NETSCAPE_URL
- if (strcmp(flavorStr, kURLMime) == 0) {
+
+ // we need to do extra work for text/uri-list
+ if (mTargetDragGdkAtom ==
+ gdk_atom_intern(gTextUriListType, FALSE)) {
PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("we were looking for text/x-moz-url...\
- trying again with text/uri-list\n"));
- gdkFlavor = gdk_atom_intern(gTextUriListType, FALSE);
- GetTargetDragData(gdkFlavor);
- if (mTargetDragData) {
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("Got text/uri-list data\n"));
- const char *data =
- NS_REINTERPRET_CAST(char*, mTargetDragData);
- PRUnichar* convertedText = nsnull;
- PRInt32 convertedTextLen = 0;
+ ("Converting text/uri-list data\n"));
+ const char *data =
+ NS_REINTERPRET_CAST(char*, mTargetDragData);
+ PRUnichar* convertedText = nsnull;
+ PRInt32 convertedTextLen = 0;
- GetTextUriListItem(data, mTargetDragDataLen, aItemIndex,
- &convertedText, &convertedTextLen);
+ GetTextUriListItem(data, mTargetDragDataLen, aItemIndex,
+ &convertedText, &convertedTextLen);
- if ( convertedText ) {
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("successfully converted \
- _NETSCAPE_URL to unicode.\n"));
- // out with the old, in with the new
- g_free(mTargetDragData);
- mTargetDragData = convertedText;
- mTargetDragDataLen = convertedTextLen * 2;
- dataFound = PR_TRUE;
- }
- }
- else {
+ if (convertedText) {
PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("failed to get text/uri-list data\n"));
+ ("successfully converted \
+ %s to unicode.\n", gTextUriListType));
+ // out with the old, in with the new
+ g_free(mTargetDragData);
+ mTargetDragData = convertedText;
+ mTargetDragDataLen = convertedTextLen * 2;
}
- if (!dataFound) {
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("we were looking for text/x-moz-url...\
- trying again with _NETSCAP_URL\n"));
- gdkFlavor = gdk_atom_intern(gMozUrlType, FALSE);
- GetTargetDragData(gdkFlavor);
- if (mTargetDragData) {
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("Got _NETSCAPE_URL data\n"));
- const char* castedText =
- NS_REINTERPRET_CAST(char*, mTargetDragData);
- PRUnichar* convertedText = nsnull;
- PRInt32 convertedTextLen = 0;
- nsPrimitiveHelpers::ConvertPlatformPlainTextToUnicode(castedText, mTargetDragDataLen, &convertedText, &convertedTextLen);
- if ( convertedText ) {
- PR_LOG(sDragLm,
- PR_LOG_DEBUG,
- ("successfully converted _NETSCAPE_URL \
- to unicode.\n"));
- // out with the old, in with the new
- g_free(mTargetDragData);
- mTargetDragData = convertedText;
- mTargetDragDataLen = convertedTextLen * 2;
- dataFound = PR_TRUE;
- }
- }
- else {
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("failed to get _NETSCAPE_URL data\n"));
- }
- }
}
-
- } // else we try one last ditch effort to find our data
-
+ // Convert text/html into our unicode format
+ else if (mTargetDragGdkAtom ==
+ gdk_atom_intern(kHTMLMime, FALSE)) {
+ PRUnichar* htmlBody= nsnull;
+ PRInt32 htmlBodyLen = 0;
+
+ ConvertHTMLtoUCS2(NS_STATIC_CAST(guchar*, mTargetDragData),
+ mTargetDragDataLen,
+ &htmlBody, htmlBodyLen);
+ if (!htmlBodyLen)
+ break;
+ g_free(mTargetDragData);
+ mTargetDragData = (void *)htmlBody;
+ mTargetDragDataLen = htmlBodyLen * 2;
+ }
+ }
+ else {
+ PR_LOG(sDragLm, PR_LOG_DEBUG, ("dataFound = PR_FALSE\n"));
+ }
if (dataFound) {
// the DOM only wants LF, so convert from MacOS line endings
// to DOM line endings.
@@ -542,7 +537,7 @@
nsDragService::IsDataFlavorSupported(const char *aDataFlavor,
PRBool *_retval)
{
- PR_LOG(sDragLm, PR_LOG_DEBUG, ("nsDragService::IsDataFlavorSupported %s",
+ PR_LOG(sDragLm, PR_LOG_DEBUG, ("nsDragService::IsDataFlavorSupported %s\n",
aDataFlavor));
if (!_retval)
return NS_ERROR_INVALID_ARG;
@@ -595,7 +590,7 @@
currentFlavor->ToString(getter_Copies(flavorStr));
PR_LOG(sDragLm, PR_LOG_DEBUG,
("checking %s against %s\n",
- (const char *)flavorStr, aDataFlavor));
+ (const char *)flavorStr, aDataFlavor));
if (strcmp(flavorStr, aDataFlavor) == 0) {
PR_LOG(sDragLm, PR_LOG_DEBUG,
("boioioioiooioioioing!\n"));
@@ -609,50 +604,9 @@
return NS_OK;
}
- // check the target context vs. this flavor, one at a time
- GList *tmp;
- for (tmp = mTargetDragContext->targets; tmp; tmp = tmp->next) {
- GdkAtom atom = (GdkAtom)GPOINTER_TO_INT(tmp->data);
- gchar *name = NULL;
- name = gdk_atom_name(atom);
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("checking %s against %s\n", name, aDataFlavor));
- if (name && (strcmp(name, aDataFlavor) == 0)) {
- PR_LOG(sDragLm, PR_LOG_DEBUG, ("good!\n"));
- *_retval = PR_TRUE;
- }
- // check for automatic text/uri-list -> text/x-moz-url mapping
- if (*_retval == PR_FALSE &&
- name &&
- (strcmp(name, gTextUriListType) == 0) &&
- (strcmp(aDataFlavor, kURLMime) == 0)) {
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("good! ( it's text/uri-list and \
- we're checking against text/x-moz-url )\n"));
- *_retval = PR_TRUE;
- }
- // check for automatic _NETSCAPE_URL -> text/x-moz-url mapping
- if (*_retval == PR_FALSE &&
- name &&
- (strcmp(name, gMozUrlType) == 0) &&
- (strcmp(aDataFlavor, kURLMime) == 0)) {
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("good! ( it's _NETSCAPE_URL and \
- we're checking against text/x-moz-url )\n"));
- *_retval = PR_TRUE;
- }
- // check for auto text/plain -> text/unicode mapping
- if (*_retval == PR_FALSE &&
- name &&
- (strcmp(name, kTextMime) == 0) &&
- (strcmp(aDataFlavor, kUnicodeMime) == 0)) {
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("good! ( it's text plain and we're checking \
- against text/unicode )\n"));
- *_retval = PR_TRUE;
- }
- g_free(name);
- }
+ if (LookupFlavorInTargetList(aDataFlavor) ||
+ LookupMatchedOutsideTarget(aDataFlavor, NULL, NULL))
+ *_retval = PR_TRUE;
return NS_OK;
}
@@ -691,14 +645,14 @@
// notify the dragger if we can drop
switch (mDragAction) {
case DRAGDROP_ACTION_COPY:
- action = GDK_ACTION_COPY;
- break;
+ action = GDK_ACTION_COPY;
+ break;
case DRAGDROP_ACTION_LINK:
- action = GDK_ACTION_LINK;
- break;
+ action = GDK_ACTION_LINK;
+ break;
default:
- action = GDK_ACTION_MOVE;
- break;
+ action = GDK_ACTION_MOVE;
+ break;
}
gdk_drag_status(aContext, action, aTime);
}
@@ -719,12 +673,23 @@
guint32 aTime)
{
PR_LOG(sDragLm, PR_LOG_DEBUG, ("nsDragService::TargetDataReceived"));
- TargetResetData();
+ NS_ASSERTION(mTargetDragData == 0, "Data area is NOT empty!!\n");
+ NS_ASSERTION(mTargetDragDataLen == 0, "Data area is NOT empty!!\n");
+
mTargetDragDataReceived = PR_TRUE;
if (aSelectionData->length > 0) {
- mTargetDragDataLen = aSelectionData->length;
- mTargetDragData = g_malloc(mTargetDragDataLen);
- memcpy(mTargetDragData, aSelectionData->data, mTargetDragDataLen);
+ if (mTargetDragGdkAtom && mTargetConverter) {
+ // need Converting
+ (*mTargetConverter)((const char*)aSelectionData->data,
+ aSelectionData->length,
+ (char **)&mTargetDragData,
+ &mTargetDragDataLen);
+ }
+ else {
+ mTargetDragDataLen = aSelectionData->length;
+ mTargetDragData = g_malloc(mTargetDragDataLen);
+ memcpy(mTargetDragData, aSelectionData->data, mTargetDragDataLen);
+ }
}
else {
PR_LOG(sDragLm, PR_LOG_DEBUG,
@@ -781,13 +746,31 @@
void
nsDragService::GetTargetDragData(GdkAtom aFlavor)
{
- PR_LOG(sDragLm, PR_LOG_DEBUG, ("getting data flavor %d\n", aFlavor));
- PR_LOG(sDragLm, PR_LOG_DEBUG, ("mLastWidget is %p and mLastContext is %p\n",
- mTargetWidget, mTargetDragContext));
+ const char *flavorStr = gdk_atom_name(aFlavor);
+ PR_LOG(sDragLm, PR_LOG_DEBUG, ("GetTargetData with flavor %s\n", flavorStr));
+ PR_LOG(sDragLm, PR_LOG_DEBUG,
+ ("mLastWidget is %p, mLastContext is %p\n",
+ (void*)mTargetWidget, (void*)mTargetDragContext));
// reset our target data areas
TargetResetData();
- gtk_drag_get_data(mTargetWidget, mTargetDragContext, aFlavor, mTargetTime);
-
+ // if it is a direct match
+ if (LookupFlavorInTargetList(flavorStr)) {
+ gtk_drag_get_data(mTargetWidget, mTargetDragContext,
+ aFlavor, mTargetTime);
+ mTargetDragGdkAtom = aFlavor;
+
+ }
+ // if it is a auto converting match
+ else if (LookupMatchedOutsideTarget(flavorStr,
+ &mTargetDragGdkAtom,
+ &mTargetConverter))
+ gtk_drag_get_data(mTargetWidget, mTargetDragContext,
+ mTargetDragGdkAtom, mTargetTime);
+ else {
+ PR_LOG(sDragLm, PR_LOG_DEBUG, ("Cannot request target %s\n",
+ flavorStr));
+ return;
+ }
PR_LOG(sDragLm, PR_LOG_DEBUG, ("about to start inner iteration."));
PRTime entryTime = PR_Now();
while (!mTargetDragDataReceived && mDoingDrag) {
@@ -807,9 +791,11 @@
mTargetDragDataReceived = PR_FALSE;
// make sure to free old data if we have to
if (mTargetDragData)
- g_free(mTargetDragData);
+ g_free(mTargetDragData);
mTargetDragData = 0;
mTargetDragDataLen = 0;
+ mTargetDragGdkAtom = 0;
+ mTargetConverter = NULL;
}
GtkTargetList *
@@ -841,7 +827,7 @@
listTarget->info = (guint)listAtom;
PR_LOG(sDragLm, PR_LOG_DEBUG,
("automatically adding target %s with id %ld\n",
- listTarget->target, listAtom));
+ listTarget->target, listAtom));
targetArray.AppendElement(listTarget);
// check what flavours are supported so we can decide what other
@@ -861,7 +847,7 @@
++flavorIndex ) {
nsCOMPtr<nsISupports> genericWrapper;
flavorList->GetElementAt(flavorIndex,
- getter_AddRefs(genericWrapper));
+ getter_AddRefs(genericWrapper));
nsCOMPtr<nsISupportsCString> currentFlavor;
currentFlavor = do_QueryInterface(genericWrapper);
if (currentFlavor) {
@@ -908,51 +894,27 @@
if (currentFlavor) {
nsXPIDLCString flavorStr;
currentFlavor->ToString(getter_Copies(flavorStr));
- // get the atom
- GdkAtom atom = gdk_atom_intern(flavorStr, FALSE);
- GtkTargetEntry *target =
- (GtkTargetEntry *)g_malloc(sizeof(GtkTargetEntry));
- target->target = g_strdup(flavorStr);
- target->flags = 0;
- target->info = GPOINTER_TO_UINT(atom);
+ //add the target itself
+ GtkTargetEntry *target = CreateGtkTargetFor(flavorStr);
PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("adding target %s with id %ld\n",
- target->target, atom));
+ ("+++adding importable target %s\n",
+ target->target));
targetArray.AppendElement(target);
- // Check to see if this is text/unicode.
- // If it is, add text/plain
- // since we automatically support text/plain
- // if we support text/unicode.
- if (strcmp(flavorStr, kUnicodeMime) == 0) {
- // get the atom for the unicode string
- GdkAtom plainAtom =
- gdk_atom_intern(kTextMime, FALSE);
- GtkTargetEntry *plainTarget =
- (GtkTargetEntry *)g_malloc(sizeof(GtkTargetEntry));
- plainTarget->target = g_strdup(kTextMime);
- plainTarget->flags = 0;
- plainTarget->info = GPOINTER_TO_UINT(plainAtom);
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("automatically adding target %s with \
- id %ld\n", plainTarget->target, plainAtom));
- targetArray.AppendElement(plainTarget);
- }
- // Check to see if this is the x-moz-url type.
- // If it is, add _NETSCAPE_URL
- // this is a type used by everybody.
- if (strcmp(flavorStr, kURLMime) == 0) {
- // get the atom name for it
- GdkAtom urlAtom =
- gdk_atom_intern(gMozUrlType, FALSE);
- GtkTargetEntry *urlTarget =
- (GtkTargetEntry *)g_malloc(sizeof(GtkTargetEntry));
- urlTarget->target = g_strdup(gMozUrlType);
- urlTarget->flags = 0;
- urlTarget->info = GPOINTER_TO_UINT(urlAtom);
- PR_LOG(sDragLm, PR_LOG_DEBUG,
- ("automatically adding target %s with \
- id %ld\n", urlTarget->target, urlAtom));
- targetArray.AppendElement(urlTarget);
+
+ //add the auto convert targets
+ PRUint16 convIndex = 0;
+ while (autoConvertPair[convIndex].internal &&
+ autoConvertPair[convIndex].outside) {
+ if (!strcmp(autoConvertPair[convIndex].internal,
+ flavorStr)) {
+ target = CreateGtkTargetFor( \
+ autoConvertPair[convIndex].outside);
+ PR_LOG(sDragLm, PR_LOG_DEBUG,
+ (" ++auto adding target %s\n",
+ target->target));
+ targetArray.AppendElement(target);
+ }
+ ++convIndex;
}
}
} // foreach flavor in item
@@ -965,11 +927,11 @@
if (targetCount) {
// allocate space to create the list of valid targets
targets =
- (GtkTargetEntry *)g_malloc(sizeof(GtkTargetEntry) * targetCount);
+ (GtkTargetEntry *)g_malloc(sizeof(GtkTargetEntry) * targetCount);
PRUint32 targetIndex;
for ( targetIndex = 0; targetIndex < targetCount; ++targetIndex) {
GtkTargetEntry *disEntry =
- (GtkTargetEntry *)targetArray.ElementAt(targetIndex);
+ (GtkTargetEntry *)targetArray.ElementAt(targetIndex);
// this is a string reference but it will be freed later.
targets[targetIndex].target = disEntry->target;
targets[targetIndex].flags = disEntry->flags;
@@ -979,7 +941,7 @@
// clean up the target list
for (PRUint32 cleanIndex = 0; cleanIndex < targetCount; ++cleanIndex) {
GtkTargetEntry *thisTarget =
- (GtkTargetEntry *)targetArray.ElementAt(cleanIndex);
+ (GtkTargetEntry *)targetArray.ElementAt(cleanIndex);
g_free(thisTarget->target);
g_free(thisTarget);
}
@@ -1067,7 +1029,7 @@
guint aInfo,
guint32 aTime)
{
- PR_LOG(sDragLm, PR_LOG_DEBUG, ("nsDragService::SourceDataGet"));
+ PR_LOG(sDragLm, PR_LOG_DEBUG, ("\nnsDragService::SourceDataGet"));
GdkAtom atom = (GdkAtom)aInfo;
nsXPIDLCString mimeFlavor;
gchar *typeName = 0;
@@ -1104,22 +1066,18 @@
nsCOMPtr<nsITransferable> item;
item = do_QueryInterface(genericItem);
if (item) {
- // if someone was asking for text/plain, lookup unicode instead so
- // we can convert it.
- PRBool needToDoConversionToPlainText = PR_FALSE;
+ TargetConverter converter = NULL;
const char* actualFlavor = mimeFlavor;
- if (strcmp(mimeFlavor,kTextMime) == 0) {
- actualFlavor = kUnicodeMime;
- needToDoConversionToPlainText = PR_TRUE;
- }
- // if someone was asking for _NETSCAPE_URL we need to convert to
- // plain text but we also need to look for x-moz-url
- else if (strcmp(mimeFlavor, gMozUrlType) == 0) {
- actualFlavor = kURLMime;
- needToDoConversionToPlainText = PR_TRUE;
+ PRUint32 convIndex = 0;
+ while (autoConvertPair[convIndex].outside &&
+ autoConvertPair[convIndex].internal) {
+ if (!strcmp(mimeFlavor, autoConvertPair[convIndex].outside)) {
+ actualFlavor = autoConvertPair[convIndex].internal;
+ converter = autoConvertPair[convIndex].in2out;
+ break;
+ }
+ ++convIndex;
}
- else
- actualFlavor = mimeFlavor;
PRUint32 tmpDataLen = 0;
void *tmpData = NULL;
@@ -1131,18 +1089,24 @@
if (NS_SUCCEEDED(rv)) {
nsPrimitiveHelpers::CreateDataFromPrimitive (actualFlavor, data,
&tmpData, tmpDataLen);
+
+ if (strcmp(actualFlavor, kHTMLMime) == 0) {
+ PR_LOG(sDragLm, PR_LOG_DEBUG, ("add BOM prefix for %s\n",
+ kHTMLMime));
+ addBOM(NS_REINTERPRET_CAST(guchar **, &tmpData),
+ NS_REINTERPRET_CAST(gint *, &tmpDataLen));
+ }
+
// if required, do the extra work to convert unicode to plain
// text and replace the output values with the plain text.
- if (needToDoConversionToPlainText) {
+ if (converter) {
char* plainTextData = nsnull;
PRUnichar* castedUnicode = NS_REINTERPRET_CAST(PRUnichar*,
tmpData);
- PRInt32 plainTextLen = 0;
- nsPrimitiveHelpers::ConvertUnicodeToPlatformPlainText(
- castedUnicode,
- tmpDataLen / 2,
- &plainTextData,
- &plainTextLen);
+ PRUint32 plainTextLen = 0;
+ (*converter)((const char*)castedUnicode, tmpDataLen,
+ &plainTextData, &plainTextLen);
+
if (tmpData) {
// this was not allocated using glib
free(tmpData);
@@ -1190,3 +1154,149 @@
dragService->SourceEndDrag();
}
+PRBool
+nsDragService::LookupFlavorInTargetList(const char *aDataFlavor)
+{
+ PR_LOG(sDragLm, PR_LOG_DEBUG,
+ ("nsDragService::LookupFlavorInTargetList,"
+ "checking %s \n", aDataFlavor));
+
+ if (!mTargetDragContext || !aDataFlavor)
+ return PR_FALSE;
+
+ GList *targetList = mTargetDragContext->targets;
+ while (targetList) {
+ GdkAtom atom = (GdkAtom)GPOINTER_TO_INT(targetList->data);
+ gchar *atomName = gdk_atom_name(atom);
+ PR_LOG(sDragLm, PR_LOG_DEBUG,
+ ("checking %s against %s\n", aDataFlavor, atomName));
+ if (atomName && (strcmp(atomName, aDataFlavor) == 0)) {
+ PR_LOG(sDragLm, PR_LOG_DEBUG, ("good!\n"));
+ g_free(atomName);
+ return PR_TRUE;
+ }
+ targetList = targetList->next;
+ }
+ return PR_FALSE;
+}
+
+PRBool
+nsDragService::LookupMatchedOutsideTarget(const char *aDataFlavor,
+ GdkAtom *aAtom,
+ TargetConverter *aConverter)
+{
+ PR_LOG(sDragLm, PR_LOG_DEBUG,
+ ("nsDragService::LookupMatchedOutsideTarget,"
+ "checking %s \n", aDataFlavor));
+
+ if (!mTargetDragContext || !aDataFlavor)
+ return PR_FALSE;
+
+ gint index = 0;
+ while (autoConvertPair[index].internal &&
+ autoConvertPair[index].outside) {
+ if (!strcmp(autoConvertPair[index].internal, aDataFlavor) &&
+ LookupFlavorInTargetList(autoConvertPair[index].outside)) {
+ if (aConverter)
+ *aConverter = autoConvertPair[index].out2in;
+ if (aAtom)
+ *aAtom = gdk_atom_intern(autoConvertPair[index].outside,
+ FALSE);
+ return PR_TRUE;
+ }
+ ++index;
+ }
+ return PR_FALSE;
+}
+
+PRBool
+nsDragService::LookupMatchedInternalTarget(const char *aDataFlavor,
+ GdkAtom *aAtom,
+ TargetConverter *aConverter)
+{
+ PR_LOG(sDragLm, PR_LOG_DEBUG,
+ ("nsDragService::LookupMatchedInternalTarget,"
+ "checking %s \n", aDataFlavor));
+
+ if (!mTargetDragContext || !aDataFlavor)
+ return PR_FALSE;
+
+ gint index = 0;
+ while (autoConvertPair[index].internal &&
+ autoConvertPair[index].outside) {
+ if (!strcmp(autoConvertPair[index].outside, aDataFlavor) &&
+ LookupFlavorInTargetList(autoConvertPair[index].internal)) {
+ if (aConverter)
+ *aConverter = autoConvertPair[index].in2out;
+ if (aAtom)
+ *aAtom = gdk_atom_intern(autoConvertPair[index].internal,
+ FALSE);
+ return PR_TRUE;
+ }
+ ++index;
+ }
+ return PR_FALSE;
+}
+
+GtkTargetEntry *
+nsDragService::CreateGtkTargetFor(const char *aFlavorStr)
+{
+ // get the atom
+ GdkAtom atom = gdk_atom_intern(aFlavorStr, FALSE);
+ GtkTargetEntry *target =
+ (GtkTargetEntry *)g_malloc(sizeof(GtkTargetEntry));
+ NS_ASSERTION(target, "No enough mem");
+
+ target->target = g_strdup(aFlavorStr);
+ target->flags = 0;
+ target->info = GPOINTER_TO_UINT(atom);
+
+ return target;
+}
+
+//converters
+
+// static
+void
+utf8_to_ucs2 (const char *aDataIn, unsigned int aDataInLen,
+ char **aDataOut, unsigned int *aDataOutLen)
+{
+ nsAutoString ucs2string = NS_ConvertUTF8toUCS2(aDataIn);
+ *aDataOut = (char *)ToNewUnicode(ucs2string);
+ *aDataOutLen = ucs2string.Length() * 2;
+
+ PR_LOG(sDragLm, PR_LOG_DEBUG,
+ ("AutoConverting: utf8 ---> unicode.\n"));
+
+}
+
+//static
+void
+ucs2_to_text (const char *aDataIn, unsigned int aDataInLen,
+ char **aDataOut, unsigned int *aDataOutLen)
+{
+ nsPrimitiveHelpers::
+ ConvertUnicodeToPlatformPlainText((PRUnichar *)aDataIn,
+ int(aDataInLen / 2),
+ aDataOut, (PRInt32 *)aDataOutLen);
+ PR_LOG(sDragLm, PR_LOG_DEBUG,
+ ("AutoConverting: ucs2 ---> platform text.\n"));
+}
+
+//static
+void
+text_to_ucs2 (const char *aDataIn, unsigned int aDataInLen,
+ char **aDataOut, unsigned int *aDataOutLen)
+{
+ PRUnichar *convertedText = nsnull;
+ PRInt32 convertedTextLen = 0;
+ nsPrimitiveHelpers::
+ ConvertPlatformPlainTextToUnicode(aDataIn, aDataInLen,
+ &convertedText, &convertedTextLen);
+ if (convertedText) {
+ PR_LOG(sDragLm, PR_LOG_DEBUG,
+ ("AutoConverting: plain text ---> unicode.\n"));
+ *aDataOut = NS_REINTERPRET_CAST(char*, convertedText);
+ *aDataOutLen = convertedTextLen * 2;
+ }
+}
Index: widget/src/gtk2/nsDragService.h
===================================================================
RCS file: /export/src/cvs/mozilla1.7/mozilla/widget/src/gtk2/nsDragService.h,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 nsDragService.h
--- widget/src/gtk2/nsDragService.h 2004/04/13 06:46:17 1.1.1.1
+++ widget/src/gtk2/nsDragService.h 2004/04/13 08:22:00
@@ -33,6 +33,8 @@
#include "nsIObserver.h"
#include <gtk/gtk.h>
+typedef void (*TargetConverter) (const char *aDataIn, unsigned int aDataInLen,
+ char **aDataOut, unsigned int *aDataOutLen);
/**
* Native GTK DragService wrapper
@@ -64,7 +66,8 @@
NS_IMETHOD GetNumDropItems (PRUint32 * aNumItems);
NS_IMETHOD GetData (nsITransferable * aTransferable,
PRUint32 aItemIndex);
- NS_IMETHOD IsDataFlavorSupported (const char *aDataFlavor, PRBool *_retval);
+ NS_IMETHOD IsDataFlavorSupported (const char *aDataFlavor,
+ PRBool *_retval);
// nsIDragSessionGTK
@@ -112,6 +115,9 @@
// last data received and its length
void *mTargetDragData;
PRUint32 mTargetDragDataLen;
+ GdkAtom mTargetDragGdkAtom; // the real target we asked for
+ TargetConverter mTargetConverter; //
+
// is the current target drag context contain a list?
PRBool IsTargetContextList(void);
// this will get the native data from the last target given a
@@ -129,7 +135,17 @@
// get a list of the sources in gtk's format
GtkTargetList *GetSourceList(void);
+ // check if a flavor supported by source target list
+ PRBool LookupFlavorInTargetList(const char *aDataFlavor);
+ PRBool LookupMatchedOutsideTarget(const char *aDataFlavor,
+ GdkAtom *aAtom,
+ TargetConverter *aConverter);
+ PRBool LookupMatchedInternalTarget(const char *aDataFlavor,
+ GdkAtom *aAtom,
+ TargetConverter *aConverter);
+
+ GtkTargetEntry *CreateGtkTargetFor(const char *aFlavorStr);
+
};
#endif // nsDragService_h__
-
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