content/child/quota_dispatcher.cc

   1 // Copyright (c) 2011 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 "content/child/quota_dispatcher.h"
   6
   7 #include "base/basictypes.h"
   8 #include "content/child/child_thread.h"
   9 #include "content/common/quota_messages.h"
  10 #include "googleurl/src/gurl.h"
  11 #include "third_party/WebKit/public/web/WebStorageQuotaCallbacks.h"
  12 #include "third_party/WebKit/public/web/WebStorageQuotaType.h"
  13
  14 using quota::QuotaStatusCode;
  15 using quota::StorageType;
  16
  17 using WebKit::WebStorageQuotaCallbacks;
  18 using WebKit::WebStorageQuotaError;
  19 using WebKit::WebStorageQuotaType;
  20
  21 namespace content {
  22 namespace {
  23
  24 // QuotaDispatcher::Callback implementation for WebStorageQuotaCallbacks.
  25 class WebStorageQuotaDispatcherCallback : public QuotaDispatcher::Callback {
  26  public:
  27   WebStorageQuotaDispatcherCallback(WebKit::WebStorageQuotaCallbacks* callback)
  28       : callbacks_(callback) {
  29     DCHECK(callbacks_);
  30   }
  31   virtual ~WebStorageQuotaDispatcherCallback() {}
  32   virtual void DidQueryStorageUsageAndQuota(int64 usage, int64 quota) OVERRIDE {
  33     callbacks_->didQueryStorageUsageAndQuota(usage, quota);
  34   }
  35   virtual void DidGrantStorageQuota(int64 granted_quota) OVERRIDE {
  36     callbacks_->didGrantStorageQuota(granted_quota);
  37   }
  38   virtual void DidFail(quota::QuotaStatusCode error) OVERRIDE {
  39     callbacks_->didFail(static_cast<WebStorageQuotaError>(error));
  40   }
  41
  42  private:
  43   // Not owned (self-destructed).
  44   WebKit::WebStorageQuotaCallbacks* callbacks_;
  45 };
  46
  47 }  // namespace
  48
  49 QuotaDispatcher::QuotaDispatcher() {
  50 }
  51
  52 QuotaDispatcher::~QuotaDispatcher() {
  53   IDMap<Callback, IDMapOwnPointer>::iterator iter(&pending_quota_callbacks_);
  54   while (!iter.IsAtEnd()) {
  55     iter.GetCurrentValue()->DidFail(quota::kQuotaErrorAbort);
  56     iter.Advance();
  57   }
  58 }
  59
  60 bool QuotaDispatcher::OnMessageReceived(const IPC::Message& msg) {
  61   bool handled = true;
  62   IPC_BEGIN_MESSAGE_MAP(QuotaDispatcher, msg)
  63     IPC_MESSAGE_HANDLER(QuotaMsg_DidGrantStorageQuota,
  64                         DidGrantStorageQuota)
  65     IPC_MESSAGE_HANDLER(QuotaMsg_DidQueryStorageUsageAndQuota,
  66                         DidQueryStorageUsageAndQuota);
  67     IPC_MESSAGE_HANDLER(QuotaMsg_DidFail, DidFail);
  68     IPC_MESSAGE_UNHANDLED(handled = false)
  69   IPC_END_MESSAGE_MAP()
  70   return handled;
  71 }
  72
  73 void QuotaDispatcher::QueryStorageUsageAndQuota(
  74     const GURL& origin_url,
  75     StorageType type,
  76     Callback* callback) {
  77   DCHECK(callback);
  78   int request_id = pending_quota_callbacks_.Add(callback);
  79   ChildThread::current()->Send(new QuotaHostMsg_QueryStorageUsageAndQuota(
  80       request_id, origin_url, type));
  81 }
  82
  83 void QuotaDispatcher::RequestStorageQuota(
  84     int render_view_id,
  85     const GURL& origin_url,
  86     StorageType type,
  87     int64 requested_size,
  88     Callback* callback) {
  89   DCHECK(callback);
  90   int request_id = pending_quota_callbacks_.Add(callback);
  91   ChildThread::current()->Send(new QuotaHostMsg_RequestStorageQuota(
  92       render_view_id, request_id, origin_url, type, requested_size));
  93 }
  94
  95 // static
  96 QuotaDispatcher::Callback*
  97 QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(
  98     WebKit::WebStorageQuotaCallbacks* callbacks) {
  99   return new WebStorageQuotaDispatcherCallback(callbacks);
 100 }
 101
 102 void QuotaDispatcher::DidGrantStorageQuota(
 103     int request_id,
 104     int64 granted_quota) {
 105   Callback* callback = pending_quota_callbacks_.Lookup(request_id);
 106   DCHECK(callback);
 107   callback->DidGrantStorageQuota(granted_quota);
 108   pending_quota_callbacks_.Remove(request_id);
 109 }
 110
 111 void QuotaDispatcher::DidQueryStorageUsageAndQuota(
 112     int request_id,
 113     int64 current_usage,
 114     int64 current_quota) {
 115   Callback* callback = pending_quota_callbacks_.Lookup(request_id);
 116   DCHECK(callback);
 117   callback->DidQueryStorageUsageAndQuota(current_usage, current_quota);
 118   pending_quota_callbacks_.Remove(request_id);
 119 }
 120
 121 void QuotaDispatcher::DidFail(
 122     int request_id,
 123     QuotaStatusCode error) {
 124   Callback* callback = pending_quota_callbacks_.Lookup(request_id);
 125   DCHECK(callback);
 126   callback->DidFail(error);
 127   pending_quota_callbacks_.Remove(request_id);
 128 }
 129
 130 COMPILE_ASSERT(int(WebKit::WebStorageQuotaTypeTemporary) == \
 131                int(quota::kStorageTypeTemporary), mismatching_enums);
 132 COMPILE_ASSERT(int(WebKit::WebStorageQuotaTypePersistent) == \
 133                int(quota::kStorageTypePersistent), mismatching_enums);
 134
 135 COMPILE_ASSERT(int(WebKit::WebStorageQuotaErrorNotSupported) == \
 136                int(quota::kQuotaErrorNotSupported), mismatching_enums);
 137 COMPILE_ASSERT(int(WebKit::WebStorageQuotaErrorAbort) == \
 138                int(quota::kQuotaErrorAbort), mismatching_enums);
 139
 140 }  // namespace content