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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "views/drag_utils.h" | 5 #include "views/drag_utils.h" |
| 6 | 6 |
| 7 #include <objidl.h> | 7 #include <objidl.h> |
| 8 #include <shlobj.h> | 8 #include <shlobj.h> |
| 9 #include <shobjidl.h> | 9 #include <shobjidl.h> |
| 10 | 10 |
| 11 #include "app/os_exchange_data.h" | 11 #include "app/os_exchange_data.h" |
| 12 #include "app/os_exchange_data_provider_win.h" | 12 #include "app/os_exchange_data_provider_win.h" |
| 13 #include "gfx/canvas.h" | 13 #include "gfx/canvas_skia.h" |
| 14 #include "gfx/gdi_util.h" | 14 #include "gfx/gdi_util.h" |
| 15 | 15 |
| 16 namespace drag_utils { | 16 namespace drag_utils { |
| 17 | 17 |
| 18 static void SetDragImageOnDataObject(HBITMAP hbitmap, | 18 static void SetDragImageOnDataObject(HBITMAP hbitmap, |
| 19 const gfx::Size& size, | 19 const gfx::Size& size, |
| 20 const gfx::Point& cursor_offset, | 20 const gfx::Point& cursor_offset, |
| 21 IDataObject* data_object) { | 21 IDataObject* data_object) { |
| 22 IDragSourceHelper* helper = NULL; | 22 IDragSourceHelper* helper = NULL; |
| 23 HRESULT rv = CoCreateInstance(CLSID_DragDropHelper, 0, CLSCTX_INPROC_SERVER, | 23 HRESULT rv = CoCreateInstance(CLSID_DragDropHelper, 0, CLSCTX_INPROC_SERVER, |
| (...skipping 16 matching lines...) Expand all Loading... |
| 40 HDC screen_dc = GetDC(NULL); | 40 HDC screen_dc = GetDC(NULL); |
| 41 BITMAPINFOHEADER header; | 41 BITMAPINFOHEADER header; |
| 42 gfx::CreateBitmapHeader(width, height, &header); | 42 gfx::CreateBitmapHeader(width, height, &header); |
| 43 void* bits; | 43 void* bits; |
| 44 HBITMAP bitmap = | 44 HBITMAP bitmap = |
| 45 CreateDIBSection(screen_dc, reinterpret_cast<BITMAPINFO*>(&header), | 45 CreateDIBSection(screen_dc, reinterpret_cast<BITMAPINFO*>(&header), |
| 46 DIB_RGB_COLORS, &bits, NULL, 0); | 46 DIB_RGB_COLORS, &bits, NULL, 0); |
| 47 HDC compatible_dc = CreateCompatibleDC(screen_dc); | 47 HDC compatible_dc = CreateCompatibleDC(screen_dc); |
| 48 HGDIOBJ old_object = SelectObject(compatible_dc, bitmap); | 48 HGDIOBJ old_object = SelectObject(compatible_dc, bitmap); |
| 49 BitBlt(compatible_dc, 0, 0, width, height, | 49 BitBlt(compatible_dc, 0, 0, width, height, |
| 50 canvas.getTopPlatformDevice().getBitmapDC(), | 50 canvas.AsCanvasSkia()->getTopPlatformDevice().getBitmapDC(), |
| 51 0, 0, SRCCOPY); | 51 0, 0, SRCCOPY); |
| 52 SelectObject(compatible_dc, old_object); | 52 SelectObject(compatible_dc, old_object); |
| 53 ReleaseDC(NULL, compatible_dc); | 53 ReleaseDC(NULL, compatible_dc); |
| 54 ReleaseDC(NULL, screen_dc); | 54 ReleaseDC(NULL, screen_dc); |
| 55 return bitmap; | 55 return bitmap; |
| 56 } | 56 } |
| 57 | 57 |
| 58 void SetDragImageOnDataObject(const gfx::Canvas& canvas, | 58 void SetDragImageOnDataObject(const gfx::Canvas& canvas, |
| 59 const gfx::Size& size, | 59 const gfx::Size& size, |
| 60 const gfx::Point& cursor_offset, | 60 const gfx::Point& cursor_offset, |
| 61 OSExchangeData* data_object) { | 61 OSExchangeData* data_object) { |
| 62 DCHECK(data_object && !size.IsEmpty()); | 62 DCHECK(data_object && !size.IsEmpty()); |
| 63 // SetDragImageOnDataObject(HBITMAP) takes ownership of the bitmap. | 63 // SetDragImageOnDataObject(HBITMAP) takes ownership of the bitmap. |
| 64 HBITMAP bitmap = CreateBitmapFromCanvas(canvas, size.width(), size.height()); | 64 HBITMAP bitmap = CreateBitmapFromCanvas(canvas, size.width(), size.height()); |
| 65 | 65 |
| 66 // Attach 'bitmap' to the data_object. | 66 // Attach 'bitmap' to the data_object. |
| 67 SetDragImageOnDataObject(bitmap, size, cursor_offset, | 67 SetDragImageOnDataObject(bitmap, size, cursor_offset, |
| 68 OSExchangeDataProviderWin::GetIDataObject(*data_object)); | 68 OSExchangeDataProviderWin::GetIDataObject(*data_object)); |
| 69 } | 69 } |
| 70 | 70 |
| 71 } // namespace drag_utils | 71 } // namespace drag_utils |
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