cef/libcef/browser_drop_delegate.cc

73 lines
2.7 KiB
C++

// 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 "browser_drop_delegate.h"
#include "third_party/WebKit/WebKit/chromium/public/WebDragData.h"
#include "third_party/WebKit/WebKit/chromium/public/WebPoint.h"
#include "third_party/WebKit/WebKit/chromium/public/WebView.h"
#include "webkit/glue/webdropdata.h"
using WebKit::WebDragOperation;
using WebKit::WebDragOperationCopy;
using WebKit::WebPoint;
using WebKit::WebView;
BrowserDropDelegate::BrowserDropDelegate(HWND source_hwnd, WebKit::WebView* webview)
: app::win::DropTarget(source_hwnd),
webview_(webview) {
}
DWORD BrowserDropDelegate::OnDragEnter(IDataObject* data_object,
DWORD key_state,
POINT cursor_position,
DWORD effect) {
WebDropData drop_data;
WebDropData::PopulateWebDropData(data_object, &drop_data);
POINT client_pt = cursor_position;
ScreenToClient(GetHWND(), &client_pt);
WebDragOperation op = webview_->dragTargetDragEnter(
drop_data.ToDragData(), drop_data.identity,
WebPoint(client_pt.x, client_pt.y),
WebPoint(cursor_position.x, cursor_position.y),
WebDragOperationCopy);
// TODO(snej): Pass the real drag operation instead
return op ? DROPEFFECT_COPY : DROPEFFECT_NONE;
// TODO(snej): Return the real drop effect constant matching 'op'
}
DWORD BrowserDropDelegate::OnDragOver(IDataObject* data_object,
DWORD key_state,
POINT cursor_position,
DWORD effect) {
POINT client_pt = cursor_position;
ScreenToClient(GetHWND(), &client_pt);
WebDragOperation op = webview_->dragTargetDragOver(
WebPoint(client_pt.x, client_pt.y),
WebPoint(cursor_position.x, cursor_position.y),
WebDragOperationCopy);
// TODO(snej): Pass the real drag operation instead
return op ? DROPEFFECT_COPY : DROPEFFECT_NONE;
// TODO(snej): Return the real drop effect constant matching 'op'
}
void BrowserDropDelegate::OnDragLeave(IDataObject* data_object) {
webview_->dragTargetDragLeave();
}
DWORD BrowserDropDelegate::OnDrop(IDataObject* data_object,
DWORD key_state,
POINT cursor_position,
DWORD effect) {
POINT client_pt = cursor_position;
ScreenToClient(GetHWND(), &client_pt);
webview_->dragTargetDrop(
WebPoint(client_pt.x, client_pt.y),
WebPoint(cursor_position.x, cursor_position.y));
// webkit win port always returns DROPEFFECT_NONE
return DROPEFFECT_NONE;
}