1// Copyright 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef UI_BASE_WEBUI_WEB_UI_UTIL_H_ 6#define UI_BASE_WEBUI_WEB_UI_UTIL_H_ 7 8#include <string> 9 10#include "base/strings/string_piece.h" 11#include "base/values.h" 12#include "ui/base/ui_base_export.h" 13#include "ui/base/window_open_disposition.h" 14 15class GURL; 16class SkBitmap; 17 18namespace webui { 19 20// Convenience routine to convert SkBitmap object to data url 21// so that it can be used in WebUI. 22UI_BASE_EXPORT std::string GetBitmapDataUrl(const SkBitmap& bitmap); 23 24// Convenience routine to get data url that corresponds to given 25// resource_id as a bitmap. This function does not check if the 26// resource for the |resource_id| is a bitmap, therefore it is the 27// caller's responsibility to make sure the resource is indeed a 28// bitmap. Returns empty string if a resource does not exist for given 29// |resource_id|. 30UI_BASE_EXPORT std::string GetBitmapDataUrlFromResource(int resource_id); 31 32// Extracts a disposition from click event arguments. |args| should contain 33// an integer button and booleans alt key, ctrl key, meta key, and shift key 34// (in that order), starting at |start_index|. 35UI_BASE_EXPORT WindowOpenDisposition 36 GetDispositionFromClick(const base::ListValue* args, int start_index); 37 38// Pares a formatted scale factor string into float and sets to |scale_factor|. 39UI_BASE_EXPORT bool ParseScaleFactor(const base::StringPiece& identifier, 40 float* scale_factor); 41 42// Parses a URL containing some path @{scale}x. If it does not contain a scale 43// factor then the default scale factor is returned. 44UI_BASE_EXPORT void ParsePathAndScale(const GURL& url, 45 std::string* path, 46 float* scale_factor); 47 48// Helper function to set the font family, size, and text direction into the 49// given dictionary. 50UI_BASE_EXPORT void SetFontAndTextDirection( 51 base::DictionaryValue* localized_strings); 52 53} // namespace webui 54 55#endif // UI_BASE_WEBUI_WEB_UI_UTIL_H_ 56