third_party/WebKit/Source/modules/quota/DeprecatedStorageQuota.cpp

/*
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 * modification, are permitted provided that the following conditions are
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 *
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#include "modules/quota/DeprecatedStorageQuota.h"

#include "core/dom/ExceptionCode.h"
#include "core/dom/ExecutionContext.h"
#include "modules/quota/DeprecatedStorageQuotaCallbacksImpl.h"
#include "modules/quota/StorageErrorCallback.h"
#include "modules/quota/StorageQuotaClient.h"
#include "modules/quota/StorageUsageCallback.h"
#include "platform/StorageQuotaCallbacks.h"
#include "platform/WebTaskRunner.h"
#include "platform/bindings/ScriptState.h"
#include "platform/weborigin/KURL.h"
#include "platform/weborigin/SecurityOrigin.h"
#include "public/platform/Platform.h"
#include "public/platform/TaskType.h"
#include "public/platform/WebStorageQuotaCallbacks.h"
#include "public/platform/WebStorageQuotaType.h"
#include "public/platform/WebTraceLocation.h"

namespace blink {

DeprecatedStorageQuota::DeprecatedStorageQuota(Type type) : type_(type) {}

void DeprecatedStorageQuota::queryUsageAndQuota(
    ScriptState* script_state,
    StorageUsageCallback* success_callback,
    StorageErrorCallback* error_callback) {
  ExecutionContext* execution_context = ExecutionContext::From(script_state);
  DCHECK(execution_context);

  WebStorageQuotaType storage_type = static_cast<WebStorageQuotaType>(type_);
  if (storage_type != kWebStorageQuotaTypeTemporary &&
      storage_type != kWebStorageQuotaTypePersistent) {
    // Unknown storage type is requested.
    ExecutionContext::From(script_state)
        ->GetTaskRunner(TaskType::kMiscPlatformAPI)
        ->PostTask(BLINK_FROM_HERE, StorageErrorCallback::CreateSameThreadTask(
                                        error_callback, kNotSupportedError));
    return;
  }

  SecurityOrigin* security_origin = execution_context->GetSecurityOrigin();
  if (security_origin->IsUnique()) {
    ExecutionContext::From(script_state)
        ->GetTaskRunner(TaskType::kMiscPlatformAPI)
        ->PostTask(BLINK_FROM_HERE, StorageErrorCallback::CreateSameThreadTask(
                                        error_callback, kNotSupportedError));
    return;
  }

  KURL storage_partition = KURL(NullURL(), security_origin->ToString());
  StorageQuotaCallbacks* callbacks =
      DeprecatedStorageQuotaCallbacksImpl::Create(success_callback,
                                                  error_callback);
  Platform::Current()->QueryStorageUsageAndQuota(storage_partition,
                                                 storage_type, callbacks);
}

void DeprecatedStorageQuota::requestQuota(
    ScriptState* script_state,
    unsigned long long new_quota_in_bytes,
    StorageQuotaCallback* success_callback,
    StorageErrorCallback* error_callback) {
  ExecutionContext* execution_context = ExecutionContext::From(script_state);
  DCHECK(execution_context);

  WebStorageQuotaType storage_type = static_cast<WebStorageQuotaType>(type_);
  if (storage_type != kWebStorageQuotaTypeTemporary &&
      storage_type != kWebStorageQuotaTypePersistent) {
    // Unknown storage type is requested.
    ExecutionContext::From(script_state)
        ->GetTaskRunner(TaskType::kMiscPlatformAPI)
        ->PostTask(BLINK_FROM_HERE, StorageErrorCallback::CreateSameThreadTask(
                                        error_callback, kNotSupportedError));
    return;
  }

  StorageQuotaClient* client = StorageQuotaClient::From(execution_context);
  if (!client) {
    ExecutionContext::From(script_state)
        ->GetTaskRunner(TaskType::kMiscPlatformAPI)
        ->PostTask(BLINK_FROM_HERE, StorageErrorCallback::CreateSameThreadTask(
                                        error_callback, kNotSupportedError));
    return;
  }

  client->RequestQuota(script_state, storage_type, new_quota_in_bytes,
                       success_callback, error_callback);
}

STATIC_ASSERT_ENUM(kWebStorageQuotaTypeTemporary,
                   DeprecatedStorageQuota::kTemporary);
STATIC_ASSERT_ENUM(kWebStorageQuotaTypePersistent,
                   DeprecatedStorageQuota::kPersistent);

}  // namespace blink