src/third_party/WebKit/Source/platform/exported/WebStorageQuotaCallbacks.cpp

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "public/platform/WebStorageQuotaCallbacks.h"
   7
   8 #include "platform/StorageQuotaCallbacks.h"
   9 #include "wtf/Forward.h"
  10 #include "wtf/OwnPtr.h"
  11 #include "wtf/PassOwnPtr.h"
  12 #include "wtf/PassRefPtr.h"
  13 #include "wtf/RefCounted.h"
  14
  15 namespace blink {
  16
  17 class WebStorageQuotaCallbacksPrivate FINAL : public RefCountedWillBeGarbageCollected<WebStorageQuotaCallbacksPrivate> {
  18 public:
  19     static PassRefPtrWillBeRawPtr<WebStorageQuotaCallbacksPrivate> create(const PassOwnPtrWillBeRawPtr<StorageQuotaCallbacks>& callbacks)
  20     {
  21         return adoptRefWillBeNoop(new WebStorageQuotaCallbacksPrivate(callbacks));
  22     }
  23
  24     void trace(Visitor*);
  25
  26     StorageQuotaCallbacks* callbacks() { return m_callbacks.get(); }
  27
  28 private:
  29     WebStorageQuotaCallbacksPrivate(const PassOwnPtrWillBeRawPtr<StorageQuotaCallbacks>& callbacks) : m_callbacks(callbacks) { }
  30     OwnPtrWillBeMember<StorageQuotaCallbacks> m_callbacks;
  31 };
  32
  33 void WebStorageQuotaCallbacksPrivate::trace(Visitor* visitor)
  34 {
  35     visitor->trace(m_callbacks);
  36 }
  37
  38 WebStorageQuotaCallbacks::WebStorageQuotaCallbacks(const PassOwnPtrWillBeRawPtr<StorageQuotaCallbacks>& callbacks)
  39 {
  40     m_private = WebStorageQuotaCallbacksPrivate::create(callbacks);
  41 }
  42
  43 void WebStorageQuotaCallbacks::reset()
  44 {
  45     m_private.reset();
  46 }
  47
  48 void WebStorageQuotaCallbacks::assign(const WebStorageQuotaCallbacks& other)
  49 {
  50     m_private = other.m_private;
  51 }
  52
  53 void WebStorageQuotaCallbacks::didQueryStorageUsageAndQuota(unsigned long long usageInBytes, unsigned long long quotaInBytes)
  54 {
  55     ASSERT(!m_private.isNull());
  56     m_private->callbacks()->didQueryStorageUsageAndQuota(usageInBytes, quotaInBytes);
  57     m_private.reset();
  58 }
  59
  60 void WebStorageQuotaCallbacks::didGrantStorageQuota(unsigned long long usageInBytes, unsigned long long grantedQuotaInBytes)
  61 {
  62     ASSERT(!m_private.isNull());
  63     m_private->callbacks()->didGrantStorageQuota(usageInBytes, grantedQuotaInBytes);
  64     m_private.reset();
  65 }
  66
  67 void WebStorageQuotaCallbacks::didFail(WebStorageQuotaError error)
  68 {
  69     ASSERT(!m_private.isNull());
  70     m_private->callbacks()->didFail(error);
  71     m_private.reset();
  72 }
  73
  74 } // namespace blink