| // Copyright (c) 2012 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. |
| |
| #ifndef UI_WEBUI_WEB_UI_UTIL_H_ |
| #define UI_WEBUI_WEB_UI_UTIL_H_ |
| |
| #include <string> |
| |
| #include "base/strings/string_piece.h" |
| #include "base/values.h" |
| #include "ui/base/layout.h" |
| #include "ui/base/ui_export.h" |
| #include "ui/base/window_open_disposition.h" |
| |
| class GURL; |
| class SkBitmap; |
| |
| namespace webui { |
| |
| // Convenience routine to convert SkBitmap object to data url |
| // so that it can be used in WebUI. |
| UI_EXPORT std::string GetBitmapDataUrl(const SkBitmap& bitmap); |
| |
| // Convenience routine to get data url that corresponds to given |
| // resource_id as a bitmap. This function does not check if the |
| // resource for the |resource_id| is a bitmap, therefore it is the |
| // caller's responsibility to make sure the resource is indeed a |
| // bitmap. Returns empty string if a resource does not exist for given |
| // |resource_id|. |
| UI_EXPORT std::string GetBitmapDataUrlFromResource(int resource_id); |
| |
| // Extracts a disposition from click event arguments. |args| should contain |
| // an integer button and booleans alt key, ctrl key, meta key, and shift key |
| // (in that order), starting at |start_index|. |
| UI_EXPORT WindowOpenDisposition GetDispositionFromClick( |
| const base::ListValue* args, |
| int start_index); |
| |
| // Given a scale factor such as "1x", "2x" or "1.99x", sets |scale_factor| to |
| // the closest ScaleFactor enum value for this scale factor. If string can not |
| // be parsed, then |scale_factor| is set to SCALE_FACTOR_100P, and false is |
| // returned. |
| UI_EXPORT bool ParseScaleFactor(const base::StringPiece&identifier, |
| ui::ScaleFactor* scale_factor); |
| |
| // Parses a URL containing some path @{scale}x. If it does not contain a scale |
| // factor then the default scale factor is returned. |
| UI_EXPORT void ParsePathAndScale(const GURL& url, |
| std::string* path, |
| ui::ScaleFactor* scale_factor); |
| |
| // Helper function to set the font family, size, and text direction into the |
| // given dictionary. |
| UI_EXPORT void SetFontAndTextDirection( |
| base::DictionaryValue* localized_strings); |
| |
| } // namespace webui |
| |
| #endif // UI_WEBUI_WEB_UI_UTIL_H_ |