From 682394a2956e2797aaf844959f8fa5d623b71ff4 Mon Sep 17 00:00:00 2001
From: "dgrogan@chromium.org"
 <dgrogan@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Fri, 5 Aug 2011 23:53:15 +0000
Subject: Improve IndexedDB's quota support

* Check available quota before storing anything
* Inform quota manager of storage updates
* Evict an origin when quota manager requests

BUG=83652
TEST=llvm/Debug/unit_tests --gtest_filter=IndexedDBQuotaClientTest.* && llvm/Debug/browser_tests --gtest_filter=IndexedDBBrowser*

Review URL: http://codereview.chromium.org/7470008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95691 0039d316-1c4b-4281-b951-d872f2087c98
---
 .../in_process_webkit/indexed_db_quota_client.cc   | 43 ++++++++++++++++++----
 1 file changed, 36 insertions(+), 7 deletions(-)

(limited to 'content/browser/in_process_webkit/indexed_db_quota_client.cc')

diff --git a/content/browser/in_process_webkit/indexed_db_quota_client.cc b/content/browser/in_process_webkit/indexed_db_quota_client.cc
index 11cf6ce..606188b 100644
--- a/content/browser/in_process_webkit/indexed_db_quota_client.cc
+++ b/content/browser/in_process_webkit/indexed_db_quota_client.cc
@@ -31,6 +31,30 @@ class IndexedDBQuotaClient::HelperTask : public quota::QuotaThreadTask {
   scoped_refptr<IndexedDBContext> indexed_db_context_;
 };
 
+class IndexedDBQuotaClient::DeleteOriginTask : public HelperTask {
+ public:
+  DeleteOriginTask(IndexedDBQuotaClient* client,
+                   base::MessageLoopProxy* webkit_thread_message_loop,
+                   const GURL& origin_url,
+                   DeletionCallback* callback)
+      : HelperTask(client, webkit_thread_message_loop),
+        origin_url_(origin_url), callback_(callback) {
+  }
+ private:
+  virtual void RunOnTargetThread() OVERRIDE {
+    indexed_db_context_->DeleteIndexedDBForOrigin(origin_url_);
+  }
+  virtual void Aborted() OVERRIDE {
+    callback_.reset();
+  }
+  virtual void Completed() OVERRIDE {
+    callback_->Run(quota::kQuotaStatusOk);
+    callback_.reset();
+  }
+  GURL origin_url_;
+  scoped_ptr<DeletionCallback> callback_;
+};
+
 class IndexedDBQuotaClient::GetOriginUsageTask : public HelperTask {
  public:
   GetOriginUsageTask(
@@ -43,12 +67,10 @@ class IndexedDBQuotaClient::GetOriginUsageTask : public HelperTask {
 
  private:
   virtual void RunOnTargetThread() OVERRIDE {
-    string16 origin_id = DatabaseUtil::GetOriginIdentifier(origin_url_);
-    FilePath file_path = indexed_db_context_->GetIndexedDBFilePath(origin_id);
-    usage_ = 0;
-    usage_ = file_util::ComputeDirectorySize(file_path);
+    usage_ = indexed_db_context_->GetOriginDiskUsage(origin_url_);
   }
   virtual void Completed() OVERRIDE {
+    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
     client_->DidGetOriginUsage(origin_url_, usage_);
   }
   GURL origin_url_;
@@ -211,9 +233,16 @@ void IndexedDBQuotaClient::GetOriginsForHost(
 void IndexedDBQuotaClient::DeleteOriginData(const GURL& origin,
                                            quota::StorageType type,
                                            DeletionCallback* callback) {
-  // TODO(tzik): implement me
-  callback->Run(quota::kQuotaErrorNotSupported);
-  delete callback;
+  if (type != quota::kStorageTypeTemporary) {
+    callback->Run(quota::kQuotaErrorNotSupported);
+    return;
+  }
+  scoped_refptr<DeleteOriginTask> task(
+      new DeleteOriginTask(this,
+                           webkit_thread_message_loop_,
+                           origin,
+                           callback));
+  task->Start();
 }
 
 void IndexedDBQuotaClient::DidGetOriginUsage(
-- 
cgit v1.1