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// Copyright (c) 2011 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 "webkit/glue/webcursor.h"
#include <X11/Xlib.h>
#include <X11/cursorfont.h>
#include <map>
#include "base/message_loop.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
using WebKit::WebCursorInfo;
namespace {
// A process wide singleton that manages the usage of X cursors.
class CursorCache {
public:
CursorCache() {}
~CursorCache() {
Display* display = base::MessagePumpForUI::GetDefaultXDisplay();
for (std::map<int, Cursor>::iterator it =
cache_.begin(); it != cache_.end(); ++it) {
XFreeCursor(display, it->second);
}
cache_.clear();
}
Cursor GetCursor(int web_cursor_info_type) {
Cursor cursor = static_cast<Cursor>(NULL);
std::pair<std::map<int, Cursor>::iterator, bool> it = cache_.insert(
std::make_pair(web_cursor_info_type, cursor));
if (it.second) {
cursor = XCreateFontCursor(base::MessagePumpForUI::GetDefaultXDisplay(),
GetXCursorType(web_cursor_info_type));
it.first->second = cursor;
}
return cursor;
}
private:
int GetXCursorType(int web_cursor_info_type) {
switch (web_cursor_info_type) {
case WebCursorInfo::TypePointer:
return XC_left_ptr;
case WebCursorInfo::TypeCross:
return XC_crosshair;
case WebCursorInfo::TypeHand:
return XC_hand2;
case WebCursorInfo::TypeIBeam:
return XC_xterm;
case WebCursorInfo::TypeWait:
return XC_watch;
case WebCursorInfo::TypeHelp:
return XC_question_arrow;
case WebCursorInfo::TypeEastResize:
return XC_right_side;
case WebCursorInfo::TypeNorthResize:
return XC_top_side;
case WebCursorInfo::TypeNorthEastResize:
return XC_top_right_corner;
case WebCursorInfo::TypeNorthWestResize:
return XC_top_left_corner;
case WebCursorInfo::TypeSouthResize:
return XC_bottom_side;
case WebCursorInfo::TypeSouthEastResize:
return XC_bottom_right_corner;
case WebCursorInfo::TypeSouthWestResize:
return XC_bottom_left_corner;
case WebCursorInfo::TypeWestResize:
return XC_left_side;
case WebCursorInfo::TypeNorthSouthResize:
return XC_sb_v_double_arrow;
case WebCursorInfo::TypeEastWestResize:
return XC_sb_h_double_arrow;
case WebCursorInfo::TypeNorthEastSouthWestResize:
case WebCursorInfo::TypeNorthWestSouthEastResize:
// There isn't really a useful cursor available for these.
NOTIMPLEMENTED();
return XC_left_ptr;
case WebCursorInfo::TypeColumnResize:
return XC_sb_h_double_arrow;
case WebCursorInfo::TypeRowResize:
return XC_sb_v_double_arrow;
case WebCursorInfo::TypeMiddlePanning:
return XC_fleur;
case WebCursorInfo::TypeEastPanning:
return XC_sb_right_arrow;
case WebCursorInfo::TypeNorthPanning:
return XC_sb_up_arrow;
case WebCursorInfo::TypeNorthEastPanning:
return XC_top_right_corner;
case WebCursorInfo::TypeNorthWestPanning:
return XC_top_left_corner;
case WebCursorInfo::TypeSouthPanning:
return XC_sb_down_arrow;
case WebCursorInfo::TypeSouthEastPanning:
return XC_bottom_right_corner;
case WebCursorInfo::TypeSouthWestPanning:
return XC_bottom_left_corner;
case WebCursorInfo::TypeWestPanning:
return XC_sb_left_arrow;
case WebCursorInfo::TypeMove:
return XC_fleur;
case WebCursorInfo::TypeVerticalText:
NOTIMPLEMENTED();
return XC_left_ptr;
case WebCursorInfo::TypeCell:
NOTIMPLEMENTED();
return XC_left_ptr;
case WebCursorInfo::TypeContextMenu:
NOTIMPLEMENTED();
return XC_left_ptr;
case WebCursorInfo::TypeAlias:
NOTIMPLEMENTED();
return XC_left_ptr;
case WebCursorInfo::TypeProgress:
return XC_watch;
case WebCursorInfo::TypeNoDrop:
NOTIMPLEMENTED();
return XC_left_ptr;
case WebCursorInfo::TypeCopy:
NOTIMPLEMENTED();
return XC_left_ptr;
case WebCursorInfo::TypeNone:
NOTIMPLEMENTED();
return XC_left_ptr;
case WebCursorInfo::TypeNotAllowed:
NOTIMPLEMENTED();
return XC_left_ptr;
case WebCursorInfo::TypeZoomIn:
case WebCursorInfo::TypeZoomOut:
case WebCursorInfo::TypeGrab:
case WebCursorInfo::TypeGrabbing:
case WebCursorInfo::TypeCustom:
NOTIMPLEMENTED();
return XC_left_ptr;
}
NOTREACHED();
return XC_left_ptr;
}
std::map<int, Cursor> cache_;
DISALLOW_COPY_AND_ASSIGN(CursorCache);
};
} // namespace
gfx::NativeCursor WebCursor::GetNativeCursor() {
static CursorCache cache;
return cache.GetCursor(type_);
}
void WebCursor::InitPlatformData() {
}
bool WebCursor::SerializePlatformData(Pickle* pickle) const {
return true;
}
bool WebCursor::DeserializePlatformData(const Pickle* pickle, void** iter) {
return true;
}
bool WebCursor::IsPlatformDataEqual(const WebCursor& other) const {
return true;
}
void WebCursor::CleanupPlatformData() {
}
void WebCursor::CopyPlatformData(const WebCursor& other) {
}
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