| // 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_resource.h" |
| |
| #include "base/bind.h" |
| #include "ipc/ipc_message.h" |
| #include "ppapi/c/pp_errors.h" |
| #include "ppapi/proxy/ppapi_messages.h" |
| #include "ppapi/shared_impl/array_writer.h" |
| #include "ppapi/shared_impl/ppapi_globals.h" |
| #include "ppapi/shared_impl/resource_tracker.h" |
| #include "ppapi/shared_impl/var.h" |
| #include "ppapi/thunk/enter.h" |
| |
| using ppapi::thunk::EnterResourceNoLock; |
| using ppapi::thunk::PPB_TrueTypeFont_API; |
| |
| namespace { |
| |
| } // namespace |
| |
| namespace ppapi { |
| namespace proxy { |
| |
| TrueTypeFontResource::TrueTypeFontResource(Connection connection, |
| PP_Instance instance, |
| const PP_TrueTypeFontDesc_Dev& desc) |
| : PluginResource(connection, instance), |
| create_result_(PP_OK_COMPLETIONPENDING), |
| describe_desc_(NULL) { |
| SerializedTrueTypeFontDesc serialized_desc; |
| serialized_desc.SetFromPPTrueTypeFontDesc(desc); |
| SendCreate(BROWSER, PpapiHostMsg_TrueTypeFont_Create(serialized_desc)); |
| } |
| |
| TrueTypeFontResource::~TrueTypeFontResource() { |
| } |
| |
| PPB_TrueTypeFont_API* TrueTypeFontResource::AsPPB_TrueTypeFont_API() { |
| return this; |
| } |
| |
| int32_t TrueTypeFontResource::Describe( |
| PP_TrueTypeFontDesc_Dev* desc, |
| scoped_refptr<TrackedCallback> callback) { |
| if (describe_callback_.get()) |
| return PP_ERROR_INPROGRESS; |
| |
| if (create_result_ == PP_OK) { |
| desc_.CopyToPPTrueTypeFontDesc(desc); |
| } else if (create_result_ == PP_OK_COMPLETIONPENDING) { |
| describe_desc_ = desc; |
| describe_callback_ = callback; |
| } |
| |
| return create_result_; |
| } |
| |
| int32_t TrueTypeFontResource::GetTableTags( |
| const PP_ArrayOutput& output, |
| scoped_refptr<TrackedCallback> callback) { |
| Call<PpapiPluginMsg_TrueTypeFont_GetTableTagsReply>( |
| BROWSER, |
| PpapiHostMsg_TrueTypeFont_GetTableTags(), |
| base::Bind(&TrueTypeFontResource::OnPluginMsgGetTableTagsComplete, |
| this, |
| callback, |
| output)); |
| |
| return PP_OK_COMPLETIONPENDING; |
| } |
| |
| int32_t TrueTypeFontResource::GetTable( |
| uint32_t table, |
| int32_t offset, |
| int32_t max_data_length, |
| const PP_ArrayOutput& output, |
| scoped_refptr<TrackedCallback> callback) { |
| Call<PpapiPluginMsg_TrueTypeFont_GetTableReply>( |
| BROWSER, |
| PpapiHostMsg_TrueTypeFont_GetTable(table, offset, max_data_length), |
| base::Bind(&TrueTypeFontResource::OnPluginMsgGetTableComplete, |
| this, |
| callback, |
| output)); |
| |
| return PP_OK_COMPLETIONPENDING; |
| } |
| |
| void TrueTypeFontResource::OnReplyReceived( |
| const ResourceMessageReplyParams& params, |
| const IPC::Message& msg) { |
| PPAPI_BEGIN_MESSAGE_MAP(TrueTypeFontResource, msg) |
| PPAPI_DISPATCH_PLUGIN_RESOURCE_CALL(PpapiPluginMsg_TrueTypeFont_CreateReply, |
| OnPluginMsgCreateComplete) |
| PPAPI_DISPATCH_PLUGIN_RESOURCE_CALL_UNHANDLED( |
| PluginResource::OnReplyReceived(params, msg)) |
| PPAPI_END_MESSAGE_MAP() |
| } |
| |
| void TrueTypeFontResource::OnPluginMsgCreateComplete( |
| const ResourceMessageReplyParams& params, |
| const ppapi::proxy::SerializedTrueTypeFontDesc& desc, |
| int32_t result) { |
| DCHECK(result != PP_OK_COMPLETIONPENDING); |
| DCHECK(create_result_ == PP_OK_COMPLETIONPENDING); |
| create_result_ = result; |
| if (create_result_ == PP_OK) |
| desc_ = desc; |
| |
| // Now complete any pending Describe operation. |
| if (TrackedCallback::IsPending(describe_callback_)) { |
| desc_.CopyToPPTrueTypeFontDesc(describe_desc_); |
| describe_desc_ = NULL; |
| scoped_refptr<TrackedCallback> callback; |
| callback.swap(describe_callback_); |
| callback->Run(create_result_ == PP_OK ? PP_OK : PP_ERROR_FAILED); |
| } |
| } |
| |
| void TrueTypeFontResource::OnPluginMsgGetTableTagsComplete( |
| scoped_refptr<TrackedCallback> callback, |
| PP_ArrayOutput array_output, |
| const ResourceMessageReplyParams& params, |
| const std::vector<uint32_t>& tag_array) { |
| // The result code should contain the data size if it's positive. |
| int32_t result = params.result(); |
| DCHECK((result < 0 && tag_array.size() == 0) || |
| result == static_cast<int32_t>(tag_array.size())); |
| |
| ArrayWriter output; |
| output.set_pp_array_output(array_output); |
| if (output.is_valid()) |
| output.StoreArray(&tag_array[0], std::max(0, result)); |
| else |
| result = PP_ERROR_FAILED; |
| |
| callback->Run(result); |
| } |
| |
| void TrueTypeFontResource::OnPluginMsgGetTableComplete( |
| scoped_refptr<TrackedCallback> callback, |
| PP_ArrayOutput array_output, |
| const ResourceMessageReplyParams& params, |
| const std::string& data) { |
| // The result code should contain the data size if it's positive. |
| int32_t result = params.result(); |
| DCHECK((result < 0 && data.size() == 0) || |
| result == static_cast<int32_t>(data.size())); |
| |
| ArrayWriter output; |
| output.set_pp_array_output(array_output); |
| if (output.is_valid()) |
| output.StoreArray(data.data(), std::max(0, result)); |
| else |
| result = PP_ERROR_FAILED; |
| |
| callback->Run(result); |
| } |
| |
| } // namespace proxy |
| } // namespace ppapi |