| // 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 "views/drag_utils.h" |
| |
| #include "app/gfx/canvas.h" |
| #include "app/gfx/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/logging.h" |
| #include "base/string_util.h" |
| #include "googleurl/src/gurl.h" |
| #include "grit/app_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; |
| |
| // File dragging pixel measurements |
| static const int kFileDragImageMaxWidth = 200; |
| static const SkColor kFileDragImageTextColor = SK_ColorBLACK; |
| |
| 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(kLinkDragImageMaxWidth); |
| 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. |
| gfx::Canvas 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, |
| OSExchangeData* data_object) { |
| DCHECK(icon); |
| DCHECK(data_object); |
| |
| // Set up our text portion |
| ResourceBundle& rb = ResourceBundle::GetSharedInstance(); |
| gfx::Font 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; |
| gfx::Canvas 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. |
| #if defined(OS_WIN) |
| const std::wstring& name = file_util::GetFilenameFromPath(file_name); |
| canvas.DrawStringWithHalo(name, font, kFileDragImageTextColor, SK_ColorWHITE, |
| 1, icon->height() + kLinkDragImageVPadding + 1, |
| width - 2, font.height(), |
| gfx::Canvas::TEXT_ALIGN_CENTER); |
| #else |
| NOTIMPLEMENTED(); |
| #endif |
| |
| SetDragImageOnDataObject(canvas, width, height, width / 2, |
| kLinkDragImageVPadding, data_object); |
| } |
| |
| } // namespace drag_utils |