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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 "chrome/browser/gtk/custom_drag.h"
#include "app/gtk_dnd_util.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/download/download_item.h"
#include "chrome/browser/gtk/bookmark_utils_gtk.h"
#include "gfx/gtk_util.h"
#include "googleurl/src/gurl.h"
#include "net/base/net_util.h"
#include "third_party/skia/include/core/SkBitmap.h"
namespace {
const int kDownloadItemCodeMask = gtk_dnd_util::TEXT_URI_LIST |
gtk_dnd_util::CHROME_NAMED_URL;
const GdkDragAction kDownloadItemDragAction = GDK_ACTION_COPY;
const GdkDragAction kBookmarkDragAction =
static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE);
void OnDragDataGetForDownloadItem(GtkSelectionData* selection_data,
guint target_type,
const DownloadItem* download_item) {
GURL url = net::FilePathToFileURL(download_item->full_path());
gtk_dnd_util::WriteURLWithName(selection_data, url,
UTF8ToUTF16(download_item->GetFileName().value()), target_type);
}
void OnDragDataGetStandalone(GtkWidget* widget, GdkDragContext* context,
GtkSelectionData* selection_data,
guint target_type, guint time,
const DownloadItem* item) {
OnDragDataGetForDownloadItem(selection_data, target_type, item);
}
} // namespace
// CustomDrag ------------------------------------------------------------------
CustomDrag::CustomDrag(SkBitmap* icon, int code_mask, GdkDragAction action)
: drag_widget_(gtk_invisible_new()),
pixbuf_(icon ? gfx::GdkPixbufFromSkBitmap(icon) : NULL) {
g_object_ref_sink(drag_widget_);
g_signal_connect(drag_widget_, "drag-data-get",
G_CALLBACK(OnDragDataGetThunk), this);
g_signal_connect(drag_widget_, "drag-begin",
G_CALLBACK(OnDragBeginThunk), this);
g_signal_connect(drag_widget_, "drag-end",
G_CALLBACK(OnDragEndThunk), this);
GtkTargetList* list = gtk_dnd_util::GetTargetListFromCodeMask(code_mask);
GdkEvent* event = gtk_get_current_event();
gtk_drag_begin(drag_widget_, list, action, 1, event);
if (event)
gdk_event_free(event);
gtk_target_list_unref(list);
}
CustomDrag::~CustomDrag() {
if (pixbuf_)
g_object_unref(pixbuf_);
g_object_unref(drag_widget_);
}
void CustomDrag::OnDragBegin(GtkWidget* widget, GdkDragContext* drag_context) {
if (pixbuf_)
gtk_drag_set_icon_pixbuf(drag_context, pixbuf_, 0, 0);
}
void CustomDrag::OnDragEnd(GtkWidget* widget, GdkDragContext* drag_context) {
delete this;
}
// DownloadItemDrag ------------------------------------------------------------
DownloadItemDrag::DownloadItemDrag(const DownloadItem* item,
SkBitmap* icon)
: CustomDrag(icon, kDownloadItemCodeMask, kDownloadItemDragAction),
download_item_(item) {
}
DownloadItemDrag::~DownloadItemDrag() {
}
void DownloadItemDrag::OnDragDataGet(
GtkWidget* widget, GdkDragContext* context,
GtkSelectionData* selection_data,
guint target_type, guint time) {
OnDragDataGetForDownloadItem(selection_data, target_type, download_item_);
}
// static
void DownloadItemDrag::SetSource(GtkWidget* widget,
DownloadItem* item,
SkBitmap* icon) {
gtk_drag_source_set(widget, GDK_BUTTON1_MASK, NULL, 0,
kDownloadItemDragAction);
gtk_dnd_util::SetSourceTargetListFromCodeMask(widget, kDownloadItemCodeMask);
// Disconnect previous signal handlers, if any.
g_signal_handlers_disconnect_by_func(
widget,
reinterpret_cast<gpointer>(OnDragDataGetStandalone),
item);
// Connect new signal handlers.
g_signal_connect(widget, "drag-data-get",
G_CALLBACK(OnDragDataGetStandalone), item);
GdkPixbuf* pixbuf = icon ? gfx::GdkPixbufFromSkBitmap(icon) : NULL;
if (pixbuf) {
gtk_drag_source_set_icon_pixbuf(widget, pixbuf);
g_object_unref(pixbuf);
}
}
// static
void DownloadItemDrag::BeginDrag(const DownloadItem* item, SkBitmap* icon) {
new DownloadItemDrag(item, icon);
}
// BookmarkDrag ----------------------------------------------------------------
BookmarkDrag::BookmarkDrag(Profile* profile,
const std::vector<const BookmarkNode*>& nodes)
: CustomDrag(NULL,
bookmark_utils::GetCodeMask(false),
kBookmarkDragAction),
profile_(profile),
nodes_(nodes) {
}
BookmarkDrag::~BookmarkDrag() {
}
void BookmarkDrag::OnDragDataGet(GtkWidget* widget, GdkDragContext* context,
GtkSelectionData* selection_data,
guint target_type, guint time) {
bookmark_utils::WriteBookmarksToSelection(nodes_, selection_data,
target_type, profile_);
}
// static
void BookmarkDrag::BeginDrag(Profile* profile,
const std::vector<const BookmarkNode*>& nodes) {
new BookmarkDrag(profile, nodes);
}
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