1 /*

     2  * Copyright (C) 2009 Google Inc. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions are

     6  * met:

     7  *

     8  *     * Redistributions of source code must retain the above copyright

     9  * notice, this list of conditions and the following disclaimer.

    10  *     * Redistributions in binary form must reproduce the above

    11  * copyright notice, this list of conditions and the following disclaimer

    12  * in the documentation and/or other materials provided with the

    13  * distribution.

    14  *     * Neither the name of Google Inc. nor the names of its

    15  * contributors may be used to endorse or promote products derived from

    16  * this software without specific prior written permission.

    17  *

    18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

    22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

    24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    29  */

    30 

    31 #include "config.h"

    32 #include "DragClientImpl.h"

    33 #include "DragImageRef.h"

    34 #include "ChromiumDataObject.h"

    35 #include "ClipboardChromium.h"

    36 #include "Frame.h"

    37 #include "NativeImageSkia.h"

    38 #include "WebCommon.h"

    39 #include "WebDragData.h"

    40 #include "WebImage.h"

    41 #include "WebViewClient.h"

    42 #include "WebViewImpl.h"

    43 

    44 using namespace WebCore;

    45 

    46 namespace WebKit {

    47 

    48 void DragClientImpl::willPerformDragDestinationAction(DragDestinationAction, DragData*)

    49 {

    50     // FIXME

    51 }

    52 

    53 void DragClientImpl::willPerformDragSourceAction(DragSourceAction, const IntPoint&, Clipboard*)

    54 {

    55     // FIXME

    56 }

    57 

    58 DragDestinationAction DragClientImpl::actionMaskForDrag(DragData*)

    59 {

    60     if (m_webView->client() && m_webView->client()->acceptsLoadDrops())

    61         return DragDestinationActionAny;

    62 

    63     return static_cast<DragDestinationAction>(

    64         DragDestinationActionDHTML | DragDestinationActionEdit);

    65 }

    66 

    67 DragSourceAction DragClientImpl::dragSourceActionMaskForPoint(const IntPoint& windowPoint)

    68 {

    69     // We want to handle drag operations for all source types.

    70     return DragSourceActionAny;

    71 }

    72 

    73 void DragClientImpl::startDrag(DragImageRef dragImage,

    74                                const IntPoint& dragImageOrigin,

    75                                const IntPoint& eventPos,

    76                                Clipboard* clipboard,

    77                                Frame* frame,

    78                                bool isLinkDrag)

    79 {

    80     // Add a ref to the frame just in case a load occurs mid-drag.

    81     RefPtr<Frame> frameProtector = frame;

    82 

    83     WebDragData dragData = static_cast<ClipboardChromium*>(clipboard)->dataObject();

    84 

    85     DragOperation dragOperationMask = clipboard->sourceOperation();

    86 

    87     IntSize offsetSize(eventPos - dragImageOrigin);

    88     WebPoint offsetPoint(offsetSize.width(), offsetSize.height());

    89     m_webView->startDragging(

    90         dragData, static_cast<WebDragOperationsMask>(dragOperationMask),

    91 #if WEBKIT_USING_SKIA

    92         dragImage ? WebImage(*dragImage) : WebImage(),

    93 #else

    94         dragImage ? WebImage(dragImage) : WebImage(),

    95 #endif

    96         offsetPoint);

    97 }

    98 

    99 DragImageRef DragClientImpl::createDragImageForLink(KURL&, const String& label, Frame*)

   100 {

   101     // FIXME

   102     return 0;

   103 }

   104 

   105 void DragClientImpl::dragControllerDestroyed()

   106 {

   107     // Our lifetime is bound to the WebViewImpl.

   108 }

   109 

   110 } // namespace WebKit