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Diffstat (limited to 'webkit/glue/plugins/pepper_font.cc')
-rw-r--r-- | webkit/glue/plugins/pepper_font.cc | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/webkit/glue/plugins/pepper_font.cc b/webkit/glue/plugins/pepper_font.cc new file mode 100644 index 0000000..af4cb81 --- /dev/null +++ b/webkit/glue/plugins/pepper_font.cc @@ -0,0 +1,99 @@ +// Copyright (c) 2010 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 "build/build_config.h" + +#include "webkit/glue/plugins/pepper_font.h" + +#if defined(OS_LINUX) +#include <unistd.h> +#endif + +#include "base/logging.h" +#include "third_party/ppapi/c/ppb_font.h" +#include "webkit/glue/plugins/pepper_plugin_module.h" +#include "webkit/glue/webkit_glue.h" + +namespace pepper { + +namespace { + +PP_Resource MatchFontWithFallback(PP_Module module_id, + const PP_FontDescription* description) { +#if defined(OS_LINUX) + PluginModule* module = PluginModule::FromPPModule(module_id); + if (!module) + return NULL; + + int fd = webkit_glue::MatchFontWithFallback(description->face, + description->weight >= 700, + description->italic, + description->charset); + if (fd == -1) + return NULL; + + scoped_refptr<Font> font(new Font(module, fd)); + + return font->GetReference(); +#else + // For trusted pepper plugins, this is only needed in Linux since font loading + // on Windows and Mac works through the renderer sandbox. + return false; +#endif +} + +bool IsFont(PP_Resource resource) { + return !!Resource::GetAs<Font>(resource); +} + +bool GetFontTable(PP_Resource font_id, + uint32_t table, + void* output, + uint32_t* output_length) { + scoped_refptr<Font> font(Resource::GetAs<Font>(font_id)); + if (!font.get()) + return false; + + return font->GetFontTable(table, output, output_length); +} + +const PPB_Font ppb_font = { + &MatchFontWithFallback, + &IsFont, + &GetFontTable, +}; + +} // namespace + +Font::Font(PluginModule* module, int fd) + : Resource(module), + fd_(fd) { +} + +Font::~Font() { +#if defined (OS_LINUX) + close(fd_); +#endif +} + +// static +const PPB_Font* Font::GetInterface() { + return &ppb_font; +} + +bool Font::GetFontTable(uint32_t table, + void* output, + uint32_t* output_length) { +#if defined(OS_LINUX) + size_t temp_size = static_cast<size_t>(*output_length); + bool rv = webkit_glue::GetFontTable( + fd_, table, static_cast<uint8_t*>(output), &temp_size); + *output_length = static_cast<uint32_t>(temp_size); + return rv; +#else + return false; +#endif +} + +} // namespace pepper |