DriveAPI: Add two request classes inheriting MultipartUploadRequestBase for multipart uploading.

* MultipartUploadNewFileRequest
* MultipartUploadExistingFileRequest

BUG=269922
TEST=None

Review URL: https://codereview.chromium.org/811453003

Cr-Commit-Position: refs/heads/master@{#310450}

2 files changed, 162 insertions, 0 deletions

diff --git a/google_apis/drive/drive_api_requests.cc b/google_apis/drive/drive_api_requests.cc
index d734125d..431f5ab 100644
--- a/google_apis/drive/drive_api_requests.cc
+++ b/google_apis/drive/drive_api_requests.cc
@@ -702,6 +702,97 @@ void GetUploadStatusRequest::OnRangeRequestComplete(
   ParseFileResourceWithUploadRangeAndRun(callback_, response, value.Pass());
 }
 
+//======================= MultipartUploadNewFileRequest =======================
+
+MultipartUploadNewFileRequest::MultipartUploadNewFileRequest(
+    RequestSender* sender,
+    const std::string& title,
+    const std::string& parent_resource_id,
+    const std::string& content_type,
+    int64 content_length,
+    const base::Time& modified_date,
+    const base::Time& last_viewed_by_me_date,
+    const base::FilePath& local_file_path,
+    const DriveApiUrlGenerator& url_generator,
+    const FileResourceCallback& callback,
+    const ProgressCallback& progress_callback)
+    : MultipartUploadRequestBase(sender,
+                                 title,
+                                 parent_resource_id,
+                                 content_type,
+                                 content_length,
+                                 modified_date,
+                                 last_viewed_by_me_date,
+                                 local_file_path,
+                                 callback,
+                                 progress_callback),
+      url_generator_(url_generator) {
+}
+
+MultipartUploadNewFileRequest::~MultipartUploadNewFileRequest() {
+}
+
+GURL MultipartUploadNewFileRequest::GetURL() const {
+  return url_generator_.GetMultipartUploadNewFileUrl(has_modified_date());
+}
+
+net::URLFetcher::RequestType MultipartUploadNewFileRequest::GetRequestType()
+    const {
+  return net::URLFetcher::POST;
+}
+
+//======================= MultipartUploadExistingFileRequest ===================
+
+MultipartUploadExistingFileRequest::MultipartUploadExistingFileRequest(
+    RequestSender* sender,
+    const std::string& title,
+    const std::string& resource_id,
+    const std::string& parent_resource_id,
+    const std::string& content_type,
+    int64 content_length,
+    const base::Time& modified_date,
+    const base::Time& last_viewed_by_me_date,
+    const base::FilePath& local_file_path,
+    const std::string& etag,
+    const DriveApiUrlGenerator& url_generator,
+    const FileResourceCallback& callback,
+    const ProgressCallback& progress_callback)
+    : MultipartUploadRequestBase(sender,
+                                 title,
+                                 parent_resource_id,
+                                 content_type,
+                                 content_length,
+                                 modified_date,
+                                 last_viewed_by_me_date,
+                                 local_file_path,
+                                 callback,
+                                 progress_callback),
+      resource_id_(resource_id),
+      etag_(etag),
+      url_generator_(url_generator) {
+}
+
+MultipartUploadExistingFileRequest::~MultipartUploadExistingFileRequest() {
+}
+
+std::vector<std::string>
+MultipartUploadExistingFileRequest::GetExtraRequestHeaders() const {
+  std::vector<std::string> headers(
+      MultipartUploadRequestBase::GetExtraRequestHeaders());
+  headers.push_back(util::GenerateIfMatchHeader(etag_));
+  return headers;
+}
+
+GURL MultipartUploadExistingFileRequest::GetURL() const {
+  return url_generator_.GetMultipartUploadExistingFileUrl(
+      resource_id_, has_modified_date());
+}
+
+net::URLFetcher::RequestType
+MultipartUploadExistingFileRequest::GetRequestType() const {
+  return net::URLFetcher::PUT;
+}
+
 //========================== DownloadFileRequest ==========================
 
 DownloadFileRequest::DownloadFileRequest(
diff --git a/google_apis/drive/drive_api_requests.h b/google_apis/drive/drive_api_requests.h
index 951c4e7..5ebb047 100644
--- a/google_apis/drive/drive_api_requests.h
+++ b/google_apis/drive/drive_api_requests.h
@@ -888,6 +888,77 @@ class GetUploadStatusRequest : public GetUploadStatusRequestBase {
   DISALLOW_COPY_AND_ASSIGN(GetUploadStatusRequest);
 };
 
+//======================= MultipartUploadNewFileRequest =======================
+
+// This class performs the request for initiating the upload of a new file.
+class MultipartUploadNewFileRequest : public MultipartUploadRequestBase {
+ public:
+  // |parent_resource_id| should be the resource id of the parent directory.
+  // |title| should be set.
+  // See also the comments of MultipartUploadRequestBase for more details
+  // about the other parameters.
+  MultipartUploadNewFileRequest(RequestSender* sender,
+                                const std::string& title,
+                                const std::string& parent_resource_id,
+                                const std::string& content_type,
+                                int64 content_length,
+                                const base::Time& modified_date,
+                                const base::Time& last_viewed_by_me_date,
+                                const base::FilePath& local_file_path,
+                                const DriveApiUrlGenerator& url_generator,
+                                const FileResourceCallback& callback,
+                                const ProgressCallback& progress_callback);
+  ~MultipartUploadNewFileRequest() override;
+
+ protected:
+  // UrlFetchRequestBase overrides.
+  GURL GetURL() const override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+
+ private:
+  const DriveApiUrlGenerator url_generator_;
+
+  DISALLOW_COPY_AND_ASSIGN(MultipartUploadNewFileRequest);
+};
+
+//======================= MultipartUploadExistingFileRequest ===================
+
+// This class performs the request for initiating the upload of a new file.
+class MultipartUploadExistingFileRequest : public MultipartUploadRequestBase {
+ public:
+  // |parent_resource_id| should be the resource id of the parent directory.
+  // |title| should be set.
+  // See also the comments of MultipartUploadRequestBase for more details
+  // about the other parameters.
+  MultipartUploadExistingFileRequest(RequestSender* sender,
+                                     const std::string& title,
+                                     const std::string& resource_id,
+                                     const std::string& parent_resource_id,
+                                     const std::string& content_type,
+                                     int64 content_length,
+                                     const base::Time& modified_date,
+                                     const base::Time& last_viewed_by_me_date,
+                                     const base::FilePath& local_file_path,
+                                     const std::string& etag,
+                                     const DriveApiUrlGenerator& url_generator,
+                                     const FileResourceCallback& callback,
+                                     const ProgressCallback& progress_callback);
+  ~MultipartUploadExistingFileRequest() override;
+
+ protected:
+  // UrlFetchRequestBase overrides.
+  std::vector<std::string> GetExtraRequestHeaders() const override;
+  GURL GetURL() const override;
+  net::URLFetcher::RequestType GetRequestType() const override;
+
+ private:
+  const std::string resource_id_;
+  const std::string etag_;
+  const DriveApiUrlGenerator url_generator_;
+
+  DISALLOW_COPY_AND_ASSIGN(MultipartUploadExistingFileRequest);
+};
+
 //========================== DownloadFileRequest ==========================
 
 // This class performs the request for downloading of a specified file.