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Diffstat (limited to 'chrome/browser/drag_utils.cc')
-rw-r--r-- | chrome/browser/drag_utils.cc | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/chrome/browser/drag_utils.cc b/chrome/browser/drag_utils.cc deleted file mode 100644 index e40e1d0..0000000 --- a/chrome/browser/drag_utils.cc +++ /dev/null @@ -1,161 +0,0 @@ -// Copyright (c) 2006-2008 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 "chrome/browser/drag_utils.h" - -#include <objidl.h> -#include <shlobj.h> -#include <shobjidl.h> - -#include "app/gfx/chrome_canvas.h" -#include "app/gfx/chrome_font.h" -#include "app/l10n_util.h" -#include "app/os_exchange_data.h" -#include "app/resource_bundle.h" -#include "base/file_util.h" -#include "base/gfx/gdi_util.h" -#include "base/gfx/point.h" -#include "base/string_util.h" -#include "chrome/browser/views/bookmark_bar_view.h" -#include "chrome/common/win_util.h" -#include "googleurl/src/gurl.h" -#include "grit/theme_resources.h" -#include "views/controls/button/text_button.h" - -namespace drag_utils { - -// Maximum width of the link drag image in pixels. -static const int kLinkDragImageMaxWidth = 200; -static const int kLinkDragImageVPadding = 3; -static const int kLinkDragImageVSpacing = 2; -static const int kLinkDragImageHPadding = 4; -static const SkColor kLinkDragImageBGColor = SkColorSetRGB(131, 146, 171); -//static const SkColor kLinkDragImageBGColor = SkColorSetRGB(195, 217, 255); -static const SkColor kLinkDragImageTextColor = SK_ColorBLACK; - -// File dragging pixel measurements -static const int kFileDragImageMaxWidth = 200; -static const SkColor kFileDragImageTextColor = SK_ColorBLACK; - -static void SetDragImageOnDataObject(HBITMAP hbitmap, - int width, - int height, - int cursor_offset_x, - int cursor_offset_y, - IDataObject* data_object) { - IDragSourceHelper* helper = NULL; - HRESULT rv = CoCreateInstance(CLSID_DragDropHelper, 0, CLSCTX_INPROC_SERVER, - IID_IDragSourceHelper, reinterpret_cast<LPVOID*>(&helper)); - if (SUCCEEDED(rv)) { - SHDRAGIMAGE sdi; - sdi.sizeDragImage.cx = width; - sdi.sizeDragImage.cy = height; - sdi.crColorKey = 0xFFFFFFFF; - sdi.hbmpDragImage = hbitmap; - sdi.ptOffset.x = cursor_offset_x; - sdi.ptOffset.y = cursor_offset_y; - helper->InitializeFromBitmap(&sdi, data_object); - } -}; - -// Blit the contents of the canvas to a new HBITMAP. It is the caller's -// responsibility to release the |bits| buffer. -static HBITMAP CreateBitmapFromCanvas(const ChromeCanvas& canvas, - int width, - int height) { - HDC screen_dc = GetDC(NULL); - BITMAPINFOHEADER header; - gfx::CreateBitmapHeader(width, height, &header); - void* bits; - HBITMAP bitmap = - CreateDIBSection(screen_dc, reinterpret_cast<BITMAPINFO*>(&header), - DIB_RGB_COLORS, &bits, NULL, 0); - HDC compatible_dc = CreateCompatibleDC(screen_dc); - HGDIOBJ old_object = SelectObject(compatible_dc, bitmap); - BitBlt(compatible_dc, 0, 0, width, height, - canvas.getTopPlatformDevice().getBitmapDC(), - 0, 0, SRCCOPY); - SelectObject(compatible_dc, old_object); - ReleaseDC(NULL, compatible_dc); - ReleaseDC(NULL, screen_dc); - return bitmap; -} - -void SetURLAndDragImage(const GURL& url, - const std::wstring& title, - const SkBitmap& icon, - OSExchangeData* data) { - DCHECK(url.is_valid() && data); - - data->SetURL(url, title); - - // Create a button to render the drag image for us. - views::TextButton button(NULL, - title.empty() ? UTF8ToWide(url.spec()) : title); - button.set_max_width(BookmarkBarView::kMaxButtonWidth); - if (icon.isNull()) { - button.SetIcon(*ResourceBundle::GetSharedInstance().GetBitmapNamed( - IDR_DEFAULT_FAVICON)); - } else { - button.SetIcon(icon); - } - gfx::Size prefsize = button.GetPreferredSize(); - button.SetBounds(0, 0, prefsize.width(), prefsize.height()); - - // Render the image. - ChromeCanvas canvas(prefsize.width(), prefsize.height(), false); - button.Paint(&canvas, true); - SetDragImageOnDataObject(canvas, prefsize.width(), prefsize.height(), - prefsize.width() / 2, prefsize.height() / 2, - data); -} - -void CreateDragImageForFile(const std::wstring& file_name, - SkBitmap* icon, - IDataObject* data_object) { - DCHECK(icon); - DCHECK(data_object); - - // Set up our text portion - const std::wstring& name = file_util::GetFilenameFromPath(file_name); - ResourceBundle& rb = ResourceBundle::GetSharedInstance(); - ChromeFont font = rb.GetFont(ResourceBundle::BaseFont); - - const int width = kFileDragImageMaxWidth; - // Add +2 here to allow room for the halo. - const int height = font.height() + icon->height() + - kLinkDragImageVPadding + 2; - ChromeCanvas canvas(width, height, false /* translucent */); - - // Paint the icon. - canvas.DrawBitmapInt(*icon, (width - icon->width()) / 2, 0); - - // Paint the file name. We inset it one pixel to allow room for the halo. - canvas.DrawStringWithHalo(name, font, kFileDragImageTextColor, SK_ColorWHITE, - 1, icon->height() + kLinkDragImageVPadding + 1, - width - 2, font.height(), - ChromeCanvas::TEXT_ALIGN_CENTER); - - SetDragImageOnDataObject(canvas, width, height, width / 2, - kLinkDragImageVPadding, data_object); -} - -void SetDragImageOnDataObject(const ChromeCanvas& canvas, - int width, - int height, - int cursor_x_offset, - int cursor_y_offset, - IDataObject* data_object) { - DCHECK(data_object && width > 0 && height > 0); - // SetDragImageOnDataObject(HBITMAP) takes ownership of the bitmap. - HBITMAP bitmap = CreateBitmapFromCanvas(canvas, width, height); - - // Attach 'bitmap' to the data_object. - SetDragImageOnDataObject(bitmap, width, height, - cursor_x_offset, - cursor_y_offset, - data_object); -} - -} // namespace drag_utils |