Cleanup template in CdmPromise

media/base/cdm_promise.cc

 // Copyright 2014 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 "media/base/cdm_promise.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 
 namespace media {
 
 CdmPromise::CdmPromise() : is_pending_(true) {
 }
 
 CdmPromise::CdmPromise(PromiseRejectedCB reject_cb)
     : reject_cb_(reject_cb), is_pending_(true) {
   DCHECK(!reject_cb_.is_null());
 }
 
 CdmPromise::CdmPromise(PromiseRejectedCB reject_cb, const std::string& uma_name)
     : reject_cb_(reject_cb), is_pending_(true), uma_name_(uma_name) {
   DCHECK(!reject_cb_.is_null());
+  DCHECK(!uma_name_.empty());
+}
+
+CdmPromise::CdmPromise(const std::string& uma_name)
+    : is_pending_(true), uma_name_(uma_name) {
+  DCHECK(!uma_name_.empty());
 }
 
 CdmPromise::~CdmPromise() {
   DCHECK(!is_pending_);
 }
 
 static CdmPromise::ResultCodeForUMA ConvertExceptionToUMAResult(
     MediaKeys::Exception exception_code) {
   switch (exception_code) {
     case MediaKeys::NOT_SUPPORTED_ERROR:
@@ skipping 11 matching lines @@
     case MediaKeys::OUTPUT_ERROR:
       return CdmPromise::OUTPUT_ERROR;
   }
   NOTREACHED();
   return CdmPromise::UNKNOWN_ERROR;
 }
 
 void CdmPromise::reject(MediaKeys::Exception exception_code,
                         uint32 system_code,
                         const std::string& error_message) {
+  RejectBase(exception_code);
+  reject_cb_.Run(exception_code, system_code, error_message);
+}
+
+void CdmPromise::ResolveBase() {
   DCHECK(is_pending_);
   is_pending_ = false;
   if (!uma_name_.empty()) {
+    base::LinearHistogram::FactoryGet(
+        uma_name_, 1, NUM_RESULT_CODES, NUM_RESULT_CODES + 1,
+        base::HistogramBase::kUmaTargetedHistogramFlag)->Add(SUCCESS);
+  }
+}
+
+void CdmPromise::RejectBase(MediaKeys::Exception exception_code) {
+  DCHECK(is_pending_);
+  is_pending_ = false;
+  if (!uma_name_.empty()) {
     ResultCodeForUMA result_code = ConvertExceptionToUMAResult(exception_code);
     base::LinearHistogram::FactoryGet(
         uma_name_, 1, NUM_RESULT_CODES, NUM_RESULT_CODES + 1,
         base::HistogramBase::kUmaTargetedHistogramFlag)->Add(result_code);
   }
-  reject_cb_.Run(exception_code, system_code, error_message);
 }
 
-CdmPromiseTemplate<void>::CdmPromiseTemplate(base::Callback<void()> resolve_cb,
-                                             PromiseRejectedCB reject_cb)
+SimpleCdmPromise::SimpleCdmPromise(base::Callback<void()> resolve_cb,
+                                   PromiseRejectedCB reject_cb)
     : CdmPromise(reject_cb), resolve_cb_(resolve_cb) {
   DCHECK(!resolve_cb_.is_null());
 }
 
-CdmPromiseTemplate<void>::CdmPromiseTemplate(base::Callback<void()> resolve_cb,
-                                             PromiseRejectedCB reject_cb,
-                                             const std::string& uma_name)
+SimpleCdmPromise::SimpleCdmPromise(base::Callback<void()> resolve_cb,
+                                   PromiseRejectedCB reject_cb,
+                                   const std::string& uma_name)
     : CdmPromise(reject_cb, uma_name), resolve_cb_(resolve_cb) {
   DCHECK(!resolve_cb_.is_null());
-  DCHECK(!uma_name_.empty());
 }
 
-CdmPromiseTemplate<void>::CdmPromiseTemplate() {
+SimpleCdmPromise::SimpleCdmPromise() {
 }
 
-CdmPromiseTemplate<void>::~CdmPromiseTemplate() {
+SimpleCdmPromise::SimpleCdmPromise(const std::string& uma_name)
+    : CdmPromise(uma_name) {
+}
+
+SimpleCdmPromise::~SimpleCdmPromise() {
   DCHECK(!is_pending_);
 }
 
-void CdmPromiseTemplate<void>::resolve() {
-  DCHECK(is_pending_);
-  is_pending_ = false;
-  if (!uma_name_.empty()) {
-    base::LinearHistogram::FactoryGet(
-        uma_name_, 1, NUM_RESULT_CODES, NUM_RESULT_CODES + 1,
-        base::HistogramBase::kUmaTargetedHistogramFlag)->Add(SUCCESS);
-  }
+void SimpleCdmPromise::resolve() {
+  ResolveBase();
   resolve_cb_.Run();
 }
 
-CdmPromise::ResolveParameterType
-CdmPromiseTemplate<void>::GetResolveParameterType() const {
+CdmPromise::ResolveParameterType SimpleCdmPromise::GetResolveParameterType()
+    const {
   return VOID_TYPE;
 }
 
-CdmPromiseTemplate<std::string>::CdmPromiseTemplate(
+NewSessionCdmPromise::NewSessionCdmPromise(
     base::Callback<void(const std::string&)> resolve_cb,
     PromiseRejectedCB reject_cb)
     : CdmPromise(reject_cb), resolve_cb_(resolve_cb) {
   DCHECK(!resolve_cb_.is_null());
 }
 
-CdmPromiseTemplate<std::string>::CdmPromiseTemplate(
+NewSessionCdmPromise::NewSessionCdmPromise(
     base::Callback<void(const std::string&)> resolve_cb,
     PromiseRejectedCB reject_cb,
     const std::string& uma_name)
     : CdmPromise(reject_cb, uma_name), resolve_cb_(resolve_cb) {
   DCHECK(!resolve_cb_.is_null());
 }
 
-CdmPromiseTemplate<std::string>::CdmPromiseTemplate() {
+NewSessionCdmPromise::NewSessionCdmPromise() {
 }
 
-CdmPromiseTemplate<std::string>::~CdmPromiseTemplate() {
+NewSessionCdmPromise::NewSessionCdmPromise(const std::string& uma_name)
+    : CdmPromise(uma_name) {
+}
+
+NewSessionCdmPromise::~NewSessionCdmPromise() {
   DCHECK(!is_pending_);
 }
 
-void CdmPromiseTemplate<std::string>::resolve(const std::string& result) {
-  DCHECK(is_pending_);
-  is_pending_ = false;
-  if (!uma_name_.empty()) {
-    base::LinearHistogram::FactoryGet(
-        uma_name_, 1, NUM_RESULT_CODES, NUM_RESULT_CODES + 1,
-        base::HistogramBase::kUmaTargetedHistogramFlag)->Add(SUCCESS);
-  }
+void NewSessionCdmPromise::resolve(const std::string& result) {
+  ResolveBase();
   resolve_cb_.Run(result);
 }
 
-CdmPromise::ResolveParameterType
-CdmPromiseTemplate<std::string>::GetResolveParameterType() const {
+CdmPromise::ResolveParameterType NewSessionCdmPromise::GetResolveParameterType()
+    const {
   return STRING_TYPE;
 }
 
-CdmPromiseTemplate<KeyIdsVector>::CdmPromiseTemplate(
+KeyIdsPromise::KeyIdsPromise(
     base::Callback<void(const KeyIdsVector&)> resolve_cb,
     PromiseRejectedCB reject_cb)
     : CdmPromise(reject_cb), resolve_cb_(resolve_cb) {
   DCHECK(!resolve_cb_.is_null());
 }
 
-CdmPromiseTemplate<KeyIdsVector>::CdmPromiseTemplate(
+KeyIdsPromise::KeyIdsPromise(
     base::Callback<void(const KeyIdsVector&)> resolve_cb,
     PromiseRejectedCB reject_cb,
     const std::string& uma_name)
     : CdmPromise(reject_cb, uma_name), resolve_cb_(resolve_cb) {
   DCHECK(!resolve_cb_.is_null());
 }
 
-CdmPromiseTemplate<KeyIdsVector>::~CdmPromiseTemplate() {
+KeyIdsPromise::KeyIdsPromise() {
+}
+
+KeyIdsPromise::KeyIdsPromise(const std::string& uma_name)
+    : CdmPromise(uma_name) {
+}
+
+KeyIdsPromise::~KeyIdsPromise() {
   DCHECK(!is_pending_);
 }
 
-void CdmPromiseTemplate<KeyIdsVector>::resolve(const KeyIdsVector& result) {
-  DCHECK(is_pending_);
-  is_pending_ = false;
-  if (!uma_name_.empty()) {
-    base::LinearHistogram::FactoryGet(
-        uma_name_, 1, NUM_RESULT_CODES, NUM_RESULT_CODES + 1,
-        base::HistogramBase::kUmaTargetedHistogramFlag)->Add(SUCCESS);
-  }
+void KeyIdsPromise::resolve(const KeyIdsVector& result) {
+  ResolveBase();
   resolve_cb_.Run(result);
 }
 
-CdmPromise::ResolveParameterType
-CdmPromiseTemplate<KeyIdsVector>::GetResolveParameterType() const {
+CdmPromise::ResolveParameterType KeyIdsPromise::GetResolveParameterType()
+    const {
   return KEY_IDS_VECTOR_TYPE;
 }
 
 }  // namespace media