1 /* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef THIRD_PARTY_BLINK_PUBLIC_PLATFORM_LINUX_WEB_SANDBOX_SUPPORT_H_ 32 #define THIRD_PARTY_BLINK_PUBLIC_PLATFORM_LINUX_WEB_SANDBOX_SUPPORT_H_ 33 34 #include "third_party/blink/public/platform/web_common.h" 35 #include "third_party/blink/public/platform/web_string.h" 36 37 namespace gfx { 38 struct FallbackFontData; 39 } 40 41 namespace blink { 42 43 struct WebFontRenderStyle; 44 45 // Put methods here that are required due to sandbox restrictions. 46 // These are currently only implemented only on Linux: 47 // https://chromium.googlesource.com/chromium/src/+/master/docs/linux/sandbox_ipc.md 48 class WebSandboxSupport { 49 public: ~WebSandboxSupport()50 virtual ~WebSandboxSupport() {} 51 52 // Get information to instantiate a font which contains glyphs for the given 53 // Unicode code-point. 54 // character: a UTF-32 codepoint 55 // preferred_locale: preferred locale identifier for the |characters| 56 // (e.g. "en", "ja", "zh-CN") 57 // 58 // fallback_font will be filled with the font name and filename, among other 59 // data. Returns false if the request could not be satisfied. 60 virtual bool GetFallbackFontForCharacter( 61 WebUChar32 character, 62 const char* preferred_locale, 63 gfx::FallbackFontData* fallback_font) = 0; 64 65 // Get a FallbackFontData specification for a font uniquely identified by full 66 // font name or postscript name. Specify full font name or postscript name as 67 // argument in UTF-8. 68 // 69 // The FallbackFontData out parameter will contain a filename, ttc index and 70 // fontconfig interface id, with the italic and bold members set always 71 // initialised to false. If a match is not found, return false. 72 virtual bool MatchFontByPostscriptNameOrFullFontName( 73 const char* font_unique_name, 74 gfx::FallbackFontData*) = 0; 75 76 // Fill out the given WebFontRenderStyle with the user's preferences for 77 // rendering the given font at the given size (in pixels), given weight and 78 // given slant and given device scale factor. The device scale factor is 79 // needed in gfx::GetFontRenderParams for determining subpixel and hinting 80 // settings. 81 virtual void GetWebFontRenderStyleForStrike(const char* family, 82 int size, 83 bool is_bold, 84 bool is_italic, 85 float device_scale_factor, 86 WebFontRenderStyle*) = 0; 87 }; 88 89 } // namespace blink 90 91 #endif // THIRD_PARTY_BLINK_PUBLIC_PLATFORM_LINUX_WEB_SANDBOX_SUPPORT_H_ 92