| // Copyright (c) 2013 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 "ppapi/proxy/truetype_font_singleton_resource.h" |
| |
| #include <stddef.h> |
| |
| #include "base/bind.h" |
| #include "ppapi/proxy/ppapi_messages.h" |
| #include "ppapi/proxy/serialized_structs.h" |
| #include "ppapi/shared_impl/array_writer.h" |
| #include "ppapi/shared_impl/ppapi_globals.h" |
| #include "ppapi/shared_impl/tracked_callback.h" |
| #include "ppapi/shared_impl/var.h" |
| #include "ppapi/shared_impl/var_tracker.h" |
| |
| namespace ppapi { |
| namespace proxy { |
| |
| TrueTypeFontSingletonResource::TrueTypeFontSingletonResource( |
| Connection connection, |
| PP_Instance instance) |
| : PluginResource(connection, instance) { |
| SendCreate(BROWSER, PpapiHostMsg_TrueTypeFontSingleton_Create()); |
| } |
| |
| TrueTypeFontSingletonResource::~TrueTypeFontSingletonResource() { |
| } |
| |
| thunk::PPB_TrueTypeFont_Singleton_API* |
| TrueTypeFontSingletonResource::AsPPB_TrueTypeFont_Singleton_API() { |
| return this; |
| } |
| |
| int32_t TrueTypeFontSingletonResource::GetFontFamilies( |
| PP_Instance instance, |
| const PP_ArrayOutput& output, |
| const scoped_refptr<TrackedCallback>& callback) { |
| Call<PpapiPluginMsg_TrueTypeFontSingleton_GetFontFamiliesReply>(BROWSER, |
| PpapiHostMsg_TrueTypeFontSingleton_GetFontFamilies(), |
| base::Bind( |
| &TrueTypeFontSingletonResource::OnPluginMsgGetFontFamiliesComplete, |
| this, callback, output)); |
| return PP_OK_COMPLETIONPENDING; |
| } |
| |
| int32_t TrueTypeFontSingletonResource::GetFontsInFamily( |
| PP_Instance instance, |
| PP_Var family, |
| const PP_ArrayOutput& output, |
| const scoped_refptr<TrackedCallback>& callback) { |
| scoped_refptr<StringVar> family_var = StringVar::FromPPVar(family); |
| const uint32_t kMaxFamilySizeInBytes = 1024; |
| if (!family_var.get() || family_var->value().size() > kMaxFamilySizeInBytes) |
| return PP_ERROR_BADARGUMENT; |
| Call<PpapiPluginMsg_TrueTypeFontSingleton_GetFontsInFamilyReply>(BROWSER, |
| PpapiHostMsg_TrueTypeFontSingleton_GetFontsInFamily(family_var->value()), |
| base::Bind( |
| &TrueTypeFontSingletonResource::OnPluginMsgGetFontsInFamilyComplete, |
| this, callback, output)); |
| return PP_OK_COMPLETIONPENDING; |
| } |
| |
| void TrueTypeFontSingletonResource::OnPluginMsgGetFontFamiliesComplete( |
| scoped_refptr<TrackedCallback> callback, |
| PP_ArrayOutput array_output, |
| const ResourceMessageReplyParams& params, |
| const std::vector<std::string>& font_families) { |
| if (!TrackedCallback::IsPending(callback)) |
| return; |
| // The result code should contain the data size if it's positive. |
| int32_t result = params.result(); |
| DCHECK((result < 0 && font_families.size() == 0) || |
| result == static_cast<int32_t>(font_families.size())); |
| |
| ArrayWriter output; |
| output.set_pp_array_output(array_output); |
| if (output.is_valid()) { |
| std::vector< scoped_refptr<Var> > font_family_vars; |
| for (size_t i = 0; i < font_families.size(); i++) |
| font_family_vars.push_back( |
| scoped_refptr<Var>(new StringVar(font_families[i]))); |
| output.StoreVarVector(font_family_vars); |
| } else { |
| result = PP_ERROR_FAILED; |
| } |
| |
| callback->Run(result); |
| } |
| |
| void TrueTypeFontSingletonResource::OnPluginMsgGetFontsInFamilyComplete( |
| scoped_refptr<TrackedCallback> callback, |
| PP_ArrayOutput array_output, |
| const ResourceMessageReplyParams& params, |
| const std::vector<SerializedTrueTypeFontDesc>& fonts) { |
| if (!TrackedCallback::IsPending(callback)) |
| return; |
| // The result code should contain the data size if it's positive. |
| int32_t result = params.result(); |
| DCHECK((result < 0 && fonts.size() == 0) || |
| result == static_cast<int32_t>(fonts.size())); |
| ArrayWriter output; |
| output.set_pp_array_output(array_output); |
| if (output.is_valid()) { |
| // Convert the message data to an array of PP_TrueTypeFontDesc_Dev structs. |
| // Each desc has an embedded PP_Var containing the family name. |
| std::vector<PP_TrueTypeFontDesc_Dev> pp_fonts(fonts.size()); |
| for (size_t i = 0; i < fonts.size(); i++) |
| fonts[i].CopyToPPTrueTypeFontDesc(&pp_fonts[i]); |
| |
| if (!output.StoreVector(pp_fonts)) { |
| for (size_t i = 0; i < pp_fonts.size(); i++) |
| PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(pp_fonts[i].family); |
| } |
| } else { |
| result = PP_ERROR_FAILED; |
| } |
| |
| callback->Run(result); |
| } |
| |
| } // namespace proxy |
| } // namespace ppapi |