third_party/WebKit/Source/web/DragClientImpl.cpp - Issue 1888773003: Merge DragClientImpl into core.

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Issue 1888773003: Merge DragClientImpl into core. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: missing file. Created 4 years, 8 months ago

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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 "web/DragClientImpl.h"

32

33 #include "core/clipboard/DataObject.h"

34 #include "core/clipboard/DataTransfer.h"

35 #include "core/frame/LocalFrame.h"

36 #include "platform/DragImage.h"

37 #include "platform/geometry/IntSize.h"

38 #include "public/platform/WebCommon.h"

39 #include "public/platform/WebDragData.h"

40 #include "public/platform/WebImage.h"

41 #include "public/platform/WebPoint.h"

42 #include "public/web/WebDragOperation.h"

43 #include "public/web/WebViewClient.h"

44 #include "web/WebViewImpl.h"

45 #include "wtf/Assertions.h"

46 #include "wtf/RefPtr.h"

47

48 namespace blink {

49

50 DragDestinationAction DragClientImpl::actionMaskForDrag(DragData*)

51 {

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

53 return DragDestinationActionAny;

54

55 return static_cast<DragDestinationAction>(

56 DragDestinationActionDHTML \| DragDestinationActionEdit);

57 }

58

59 void DragClientImpl::startDrag(DragImage* dragImage, const IntPoint& dragImageOr igin, const IntPoint& eventPos, DataTransfer* dataTransfer, LocalFrame* frame, b ool isLinkDrag)

60 {

61 WebDragData dragData = dataTransfer->dataObject()->toWebDragData();

62 WebDragOperationsMask dragOperationMask = static_cast<WebDragOperationsMask> (dataTransfer->sourceOperation());

63 WebImage image;

64 IntSize offsetSize(eventPos - dragImageOrigin);

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

66

67 if (dragImage) {

68 float resolutionScale = dragImage->resolutionScale();

69 float deviceScaleFactor =

70 m_webView->client()->screenInfo().deviceScaleFactor;

71 if (deviceScaleFactor != resolutionScale) {

72 DCHECK_GT(resolutionScale, 0);

73 float scale = deviceScaleFactor / resolutionScale;

74 dragImage->scale(scale, scale);

75 }

76 image = dragImage->bitmap();

77 }

78

79 m_webView->startDragging(frame, dragData, dragOperationMask, image, offsetPo int);

80 }

81

82 } // namespace blink

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