Add chrome://quota-internals/

chrome/browser/ui/webui/quota_internals_proxy.cc

Index: chrome/browser/ui/webui/quota_internals_proxy.cc
diff --git a/chrome/browser/ui/webui/quota_internals_proxy.cc b/chrome/browser/ui/webui/quota_internals_proxy.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f2a31f13fba5ef630eca8e010388d76406fd1d4e
--- /dev/null
+++ b/chrome/browser/ui/webui/quota_internals_proxy.cc
@@ -0,0 +1,217 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/webui/quota_internals_proxy.h"
+
+#include <set>
+#include <string>
+
+#include "chrome/browser/ui/webui/quota_internals_handler.h"
+#include "chrome/browser/ui/webui/quota_internals_types.h"
+#include "net/base/net_util.h"
+
+namespace quota_internals {
+
+QuotaInternalsProxy::QuotaInternalsProxy(QuotaInternalsHandler* handler)
+    : handler_(handler),
+      callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
+}
+
+QuotaInternalsProxy::~QuotaInternalsProxy() {}
+
+#define RELAY_TO_HANDLER(func, arg_t) \
+  void QuotaInternalsProxy::func(arg_t arg) {                 \
+    if (!handler_)                                            \
+      return;                                                 \
+    if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {     \
+      BrowserThread::PostTask(                                \
+          BrowserThread::UI, FROM_HERE,                       \
+          NewRunnableMethod(this, &QuotaInternalsProxy::func, \
+                            arg));                            \
+      return;                                                 \
+    }                                                         \
+                                                              \
+    handler_->func(arg);                                      \
+  }
+
+RELAY_TO_HANDLER(ReportAvailableSpace, int64)
+RELAY_TO_HANDLER(ReportGlobalInfo, const GlobalStorageInfo&)
+RELAY_TO_HANDLER(ReportPerHostInfo, const std::vector<PerHostStorageInfo>&)
+RELAY_TO_HANDLER(ReportPerOriginInfo, const std::vector<PerOriginStorageInfo>&)
+RELAY_TO_HANDLER(ReportStatistics, const Statistics&)
+
+#undef RELAY_TO_HANDLER
+
+void QuotaInternalsProxy::RequestInfo(
+    scoped_refptr<quota::QuotaManager> quota_manager) {
+  DCHECK(quota_manager);
+  if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE,
+        NewRunnableMethod(this, &QuotaInternalsProxy::RequestInfo,
+                          quota_manager));
+    return;
+  }
+
+  quota_manager_ = quota_manager;
+  quota_manager_->GetAvailableSpace(
+      callback_factory_.NewCallback(
+          &QuotaInternalsProxy::DidGetAvailableSpace));
+
+  quota_manager_->GetTemporaryGlobalQuota(
+      callback_factory_.NewCallback(
+          &QuotaInternalsProxy::DidGetGlobalQuota));
+
+  quota_manager_->GetGlobalUsage(
+      quota::kStorageTypeTemporary,
+      callback_factory_.NewCallback(
+          &QuotaInternalsProxy::DidGetGlobalUsage));
+
+  quota_manager_->GetGlobalUsage(
+      quota::kStorageTypePersistent,
+      callback_factory_.NewCallback(
+          &QuotaInternalsProxy::DidGetGlobalUsage));
+
+  quota_manager_->DumpQuotaTable(
+      callback_factory_.NewCallback(
+          &QuotaInternalsProxy::DidDumpQuotaTable));
+
+  quota_manager_->DumpOriginInfoTable(
+      callback_factory_.NewCallback(
+          &QuotaInternalsProxy::DidDumpOriginInfoTable));
+
+  std::map<std::string, std::string> stats;
+  quota_manager_->GetStatistics(&stats);
+  ReportStatistics(stats);
+}
+
+void QuotaInternalsProxy::DidGetAvailableSpace(quota::QuotaStatusCode status,
+                                               int64 space) {
+  if (status == quota::kQuotaStatusOk)
+    ReportAvailableSpace(space);
+}
+
+void QuotaInternalsProxy::DidGetGlobalQuota(quota::QuotaStatusCode status,
+                                            quota::StorageType type,
+                                            int64 quota) {
+  if (status == quota::kQuotaStatusOk) {
+    GlobalStorageInfo info(type);
+    info.set_quota(quota);
+    ReportGlobalInfo(info);
+  }
+}
+
+void QuotaInternalsProxy::DidGetGlobalUsage(quota::StorageType type,
+                                            int64 usage,
+                                            int64 unlimited_usage) {
+  GlobalStorageInfo info(type);
+  info.set_usage(usage);
+  info.set_unlimited_usage(unlimited_usage);
+
+  ReportGlobalInfo(info);
+  RequestPerOriginInfo(type);
+}
+
+void QuotaInternalsProxy::DidDumpQuotaTable(const QuotaTableEntries& entries) {
+  std::vector<PerHostStorageInfo> host_info;
+  host_info.reserve(entries.size());
+
+  typedef QuotaTableEntries::const_iterator iterator;
+  for (iterator itr(entries.begin()); itr != entries.end(); ++itr) {
+    PerHostStorageInfo info(itr->host, itr->type);
+    info.set_quota(itr->quota);
+    host_info.push_back(info);
+  }
+
+  ReportPerHostInfo(host_info);
+}
+
+void QuotaInternalsProxy::DidDumpOriginInfoTable(
+    const OriginInfoTableEntries& entries) {
+  std::vector<PerOriginStorageInfo> origin_info;
+  origin_info.reserve(entries.size());
+
+  typedef OriginInfoTableEntries::const_iterator iterator;
+  for (iterator itr(entries.begin()); itr != entries.end(); ++itr) {
+    PerOriginStorageInfo info(itr->origin, itr->type);
+    info.set_used_count(itr->used_count);
+    info.set_last_access_time(itr->last_access_time);
+    info.set_last_modified_time(itr->last_modified_time);
+
+    origin_info.push_back(info);
+  }
+
+  ReportPerOriginInfo(origin_info);
+}
+
+void QuotaInternalsProxy::DidGetHostUsage(const std::string& host,
+                                          quota::StorageType type,
+                                          int64 usage) {
+  DCHECK(type == quota::kStorageTypeTemporary ||
+         type == quota::kStorageTypePersistent);
+
+  PerHostStorageInfo info(host, type);
+  info.set_usage(usage);
+
+  report_pending_.push_back(info);
+  hosts_pending_.erase(make_pair(host, type));
+  if (report_pending_.size() >= 10 || hosts_pending_.empty()) {
+    ReportPerHostInfo(report_pending_);
+    report_pending_.clear();
+  }
+
+  if (!hosts_pending_.empty())
+    GetHostUsage(hosts_pending_.begin()->first,
+                 hosts_pending_.begin()->second);
+}
+
+void QuotaInternalsProxy::VisitHost(const std::string& host,
+                                    quota::StorageType type) {
+  if (hosts_visited_.insert(std::make_pair(host, type)).second) {
+    hosts_pending_.insert(std::make_pair(host, type));
+    if (hosts_pending_.size() == 1) {
+      GetHostUsage(host, type);
+    }
+  }
+}
+
+void QuotaInternalsProxy::GetHostUsage(const std::string& host,
+                                       quota::StorageType type) {
+  DCHECK(quota_manager_);
+  quota_manager_->GetHostUsage(
+      host, type,
+      callback_factory_.NewCallback(
+          &QuotaInternalsProxy::DidGetHostUsage));
+}
+
+void QuotaInternalsProxy::RequestPerOriginInfo(quota::StorageType type) {
+  DCHECK(quota_manager_);
+
+  std::set<GURL> origins;
+  quota_manager_->GetCachedOrigins(type, &origins);
+
+  std::vector<PerOriginStorageInfo> origin_info;
+  origin_info.reserve(origins.size());
+
+  std::set<std::string> hosts;
+  std::vector<PerHostStorageInfo> host_info;
+
+  for (std::set<GURL>::iterator itr(origins.begin());
+       itr != origins.end(); ++itr) {
+    PerOriginStorageInfo info(*itr, type);
+    info.set_in_use(quota_manager_->IsOriginInUse(*itr));
+    origin_info.push_back(info);
+
+    std::string host(net::GetHostOrSpecFromURL(*itr));
+    if (hosts.insert(host).second) {
+      PerHostStorageInfo info(host, type);
+      host_info.push_back(info);
+      VisitHost(host, type);
+    }
+  }
+  ReportPerOriginInfo(origin_info);
+  ReportPerHostInfo(host_info);
+}
+
+}  // namespace quota_internals