mirror of
https://github.com/openharmony/ace_ace_engine.git
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chenxuankai1
ecb70f2dd9
Signed-off-by: chenxuankai1 <chenxuankai1@huawei.com> Change-Id: Id5c7fd2db2abfa9e4715febd80be7709ead4ffdc Signed-off-by: chenxuankai1 <chenxuankai1@huawei.com>
87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
/*
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* Copyright (c) 2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <sys/stat.h>
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#include <unistd.h>
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#include "base/resource/data_provider_manager.h"
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namespace OHOS::Ace {
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std::unique_ptr<DataProviderRes> DataProviderManager::GetDataProviderResFromUri(const std::string& uriStr)
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{
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LOGD("DataProviderManager::GetDataProviderResFromUri start uri: %{private}s", uriStr.c_str());
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if (platformImpl_) {
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return platformImpl_(uriStr);
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}
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return nullptr;
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}
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void* DataProviderManagerStandard::GetDataProviderThumbnailResFromUri(const std::string& uriStr)
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{
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InitHelper();
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if (!helper_) {
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LOGE("data ability helper is null when try query thumbnail resource, uri: %{private}s", uriStr.c_str());
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return nullptr;
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}
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return helper_->QueryThumbnailResFromDataAbility(uriStr);
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}
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std::unique_ptr<DataProviderRes> DataProviderManagerStandard::GetDataProviderResFromUri(const std::string& uriStr)
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{
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LOGD("DataProviderManagerStandard::GetDataProviderResFromUri start uri: %{private}s", uriStr.c_str());
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InitHelper();
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if (!helper_) {
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LOGE("data ability helper is null");
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return nullptr;
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}
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auto fd = helper_->OpenFile(uriStr, "r");
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if (fd == -1) {
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LOGE("file descriptor is not valid");
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return nullptr;
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}
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// get size of file.
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struct stat statBuf;
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auto statRes = fstat(fd, &statBuf);
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if (statRes != 0) {
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LOGE("get stat fail");
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close(fd);
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return nullptr;
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}
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auto size = statBuf.st_size;
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// read file content.
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std::vector<uint8_t> buffer(size);
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auto readRes = read(fd, buffer.data(), size);
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close(fd);
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if (readRes == -1) {
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LOGE("read file fail");
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return nullptr;
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}
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auto result = std::make_unique<DataProviderRes>(std::move(buffer));
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return result;
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}
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void DataProviderManagerStandard::InitHelper()
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{
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if (!helper_ && dataAbilityHelperImpl_) {
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helper_ = dataAbilityHelperImpl_();
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}
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}
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} // namespace OHOS::Ace
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