sky@chromium.org
316e3291ac
BUG=none TEST=none Review URL: http://codereview.chromium.org/113954 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@17080 0039d316-1c4b-4281-b951-d872f2087c98
93 linhas
3.2 KiB
C++
93 linhas
3.2 KiB
C++
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "views/drag_utils.h"
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#include "app/gfx/canvas.h"
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#include "app/gfx/font.h"
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#include "app/l10n_util.h"
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#include "app/os_exchange_data.h"
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#include "app/resource_bundle.h"
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#include "base/file_util.h"
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#include "base/logging.h"
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#include "base/string_util.h"
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#include "googleurl/src/gurl.h"
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#include "grit/app_resources.h"
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#include "views/controls/button/text_button.h"
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namespace drag_utils {
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// Maximum width of the link drag image in pixels.
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static const int kLinkDragImageMaxWidth = 200;
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static const int kLinkDragImageVPadding = 3;
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// File dragging pixel measurements
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static const int kFileDragImageMaxWidth = 200;
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static const SkColor kFileDragImageTextColor = SK_ColorBLACK;
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void SetURLAndDragImage(const GURL& url,
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const std::wstring& title,
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const SkBitmap& icon,
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OSExchangeData* data) {
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DCHECK(url.is_valid() && data);
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data->SetURL(url, title);
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// Create a button to render the drag image for us.
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views::TextButton button(NULL,
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title.empty() ? UTF8ToWide(url.spec()) : title);
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button.set_max_width(kLinkDragImageMaxWidth);
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if (icon.isNull()) {
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button.SetIcon(*ResourceBundle::GetSharedInstance().GetBitmapNamed(
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IDR_DEFAULT_FAVICON));
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} else {
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button.SetIcon(icon);
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}
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gfx::Size prefsize = button.GetPreferredSize();
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button.SetBounds(0, 0, prefsize.width(), prefsize.height());
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// Render the image.
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gfx::Canvas canvas(prefsize.width(), prefsize.height(), false);
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button.Paint(&canvas, true);
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SetDragImageOnDataObject(canvas, prefsize.width(), prefsize.height(),
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prefsize.width() / 2, prefsize.height() / 2,
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data);
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}
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void CreateDragImageForFile(const std::wstring& file_name,
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SkBitmap* icon,
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OSExchangeData* data_object) {
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DCHECK(icon);
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DCHECK(data_object);
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// Set up our text portion
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ResourceBundle& rb = ResourceBundle::GetSharedInstance();
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gfx::Font font = rb.GetFont(ResourceBundle::BaseFont);
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const int width = kFileDragImageMaxWidth;
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// Add +2 here to allow room for the halo.
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const int height = font.height() + icon->height() +
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kLinkDragImageVPadding + 2;
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gfx::Canvas canvas(width, height, false /* translucent */);
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// Paint the icon.
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canvas.DrawBitmapInt(*icon, (width - icon->width()) / 2, 0);
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// Paint the file name. We inset it one pixel to allow room for the halo.
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#if defined(OS_WIN)
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const std::wstring& name = file_util::GetFilenameFromPath(file_name);
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canvas.DrawStringWithHalo(name, font, kFileDragImageTextColor, SK_ColorWHITE,
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1, icon->height() + kLinkDragImageVPadding + 1,
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width - 2, font.height(),
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gfx::Canvas::TEXT_ALIGN_CENTER);
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#else
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NOTIMPLEMENTED();
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#endif
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SetDragImageOnDataObject(canvas, width, height, width / 2,
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kLinkDragImageVPadding, data_object);
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}
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} // namespace drag_utils
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