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Unified Diff: chrome/browser/extensions/extension_settings_api.cc

Issue 7189029: Implement an initial extension settings API. (Closed) Base URL: http://git.chromium.org/git/chromium.git@trunk
Patch Set: Make clang happy Created 9 years, 4 months ago
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Index: chrome/browser/extensions/extension_settings_api.cc
diff --git a/chrome/browser/extensions/extension_settings_api.cc b/chrome/browser/extensions/extension_settings_api.cc
new file mode 100644
index 0000000000000000000000000000000000000000..411d3b38c0980a3369cede0b39810267b02dff07
--- /dev/null
+++ b/chrome/browser/extensions/extension_settings_api.cc
@@ -0,0 +1,107 @@
+// 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 "base/bind.h"
+#include "base/values.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_settings_api.h"
+#include "chrome/browser/profiles/profile.h"
+
+namespace {
+const char* kUnsupportedArgumentType = "Unsupported argument type";
+} // namespace
+
+// StorageResultCallback
+
+SettingsFunction::StorageResultCallback::StorageResultCallback(
+ SettingsFunction* settings_function)
+ : settings_function_(settings_function) {
+}
+
+SettingsFunction::StorageResultCallback::~StorageResultCallback() {
+}
+
+void SettingsFunction::StorageResultCallback::OnSuccess(
+ DictionaryValue* settings) {
+ settings_function_->result_.reset(settings);
+ settings_function_->SendResponse(true);
+}
+
+void SettingsFunction::StorageResultCallback::OnFailure(
+ const std::string& message) {
+ settings_function_->error_ = message;
+ settings_function_->SendResponse(false);
+}
+
+// SettingsFunction
+
+bool SettingsFunction::RunImpl() {
+ profile()->GetExtensionService()->extension_settings()->GetStorage(
+ extension_id(),
+ base::Bind(&SettingsFunction::RunWithStorage, this));
+ return true;
+}
+
+void SettingsFunction::RunWithStorage(ExtensionSettingsStorage* storage) {
+ // Mimic how RunImpl() is handled in extensions code.
+ if (!RunWithStorageImpl(storage)) {
+ SendResponse(false);
+ }
+}
+
+// Concrete settings functions
+
+bool GetSettingsFunction::RunWithStorageImpl(
+ ExtensionSettingsStorage* storage) {
+ Value *input;
+ EXTENSION_FUNCTION_VALIDATE(args_->Get(0, &input));
+
+ std::string as_string;
+ ListValue* as_list;
+ if (input->IsType(Value::TYPE_NULL)) {
+ storage->Get(new StorageResultCallback(this));
+ } else if (input->GetAsString(&as_string)) {
+ storage->Get(as_string, new StorageResultCallback(this));
+ } else if (input->GetAsList(&as_list)) {
+ storage->Get(*as_list, new StorageResultCallback(this));
+ } else {
+ error_ = kUnsupportedArgumentType;
+ return false;
+ }
+
+ return true;
+}
+
+bool SetSettingsFunction::RunWithStorageImpl(
+ ExtensionSettingsStorage* storage) {
+ DictionaryValue *input;
+ EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(0, &input));
+ storage->Set(*input, new StorageResultCallback(this));
+ return true;
+}
+
+bool RemoveSettingsFunction::RunWithStorageImpl(
+ ExtensionSettingsStorage* storage) {
+ Value *input;
+ EXTENSION_FUNCTION_VALIDATE(args_->Get(0, &input));
+
+ std::string as_string;
+ ListValue* as_list;
+ if (input->GetAsString(&as_string)) {
+ storage->Remove(as_string, new StorageResultCallback(this));
+ } else if (input->GetAsList(&as_list)) {
+ storage->Remove(*as_list, new StorageResultCallback(this));
+ } else {
+ error_ = kUnsupportedArgumentType;
+ return false;
+ }
+
+ return true;
+}
+
+bool ClearSettingsFunction::RunWithStorageImpl(
+ ExtensionSettingsStorage* storage) {
+ storage->Clear(new StorageResultCallback(this));
+ return true;
+}
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