[Offline Pages] Added OfflinePageEvaluationBridge for testing.

chrome/browser/android/offline_pages/evaluation/offline_page_evaluation_bridge.h

+// Copyright 2016 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.
+
+#ifndef CHROME_BROWSER_ANDROID_OFFLINE_PAGES_EVALUATION_OFFLINE_PAGE_EVALUATION_BRIDGE_H_
+#define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_EVALUATION_OFFLINE_PAGE_EVALUATION_BRIDGE_H_
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_weak_ref.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/macros.h"
+#include "components/offline_pages/background/request_coordinator.h"
+#include "components/offline_pages/background/request_notifier.h"
+#include "components/offline_pages/offline_page_model.h"
+
+namespace content {
+class BrowserContext;
+}
+
+namespace offline_pages {
+
+struct OfflinePageItem;
+
+namespace android {
+
+/**
+ * Bridge for exposing native implementation which are used by evaluation.
+ */
+class OfflinePageEvaluationBridge : public OfflinePageModel::Observer,
+                                    public RequestCoordinator::Observer {
+ public:
+  static bool Register(JNIEnv* env);
+
+  OfflinePageEvaluationBridge(JNIEnv* env,
+                              content::BrowserContext* browser_context,
+                              OfflinePageModel* offline_page_model,
+                              RequestCoordinator* request_coordinator);
+
+  ~OfflinePageEvaluationBridge() override;
+
+  // OfflinePageModel::Observer implementation.
+  void OfflinePageModelLoaded(OfflinePageModel* model) override;
+  void OfflinePageModelChanged(OfflinePageModel* model) override;
+  void OfflinePageDeleted(int64_t offline_id,
+                          const ClientId& client_id) override;
+
+  // RequestCoordinator::Observer implementation.
+  void OnAdded(const SavePageRequest& request) override;
+  void OnCompleted(const SavePageRequest& request,
+                   RequestNotifier::BackgroundSavePageResult status) override;
+  void OnChanged(const SavePageRequest& request) override;
+
+  void GetAllPages(JNIEnv* env,
+                   const base::android::JavaParamRef<jobject>& obj,
+                   const base::android::JavaParamRef<jobject>& j_result_obj,
+                   const base::android::JavaParamRef<jobject>& j_callback_obj);
+
+  void PushRequestProcessing(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& obj,
+      const base::android::JavaParamRef<jobject>& j_callback_obj);
+
+  void SavePageLater(JNIEnv* env,
+                     const base::android::JavaParamRef<jobject>& obj,
+                     const base::android::JavaParamRef<jstring>& url,
+                     const base::android::JavaParamRef<jstring>& j_namespace,
+                     const base::android::JavaParamRef<jstring>& j_client_id,
+                     jboolean user_requested);
+
+  base::android::ScopedJavaGlobalRef<jobject> java_ref() { return java_ref_; }
+
+ private:
+  void NotifyIfDoneLoading() const;
+
+  base::android::ScopedJavaLocalRef<jobject> CreateClientId(
+      JNIEnv* env,
+      const ClientId& clientId) const;
+
+  base::android::ScopedJavaGlobalRef<jobject> java_ref_;
+  // Not owned.
+  content::BrowserContext* browser_context_;
+  // Not owned.
+  OfflinePageModel* offline_page_model_;
+  // Not owned.
+  RequestCoordinator* request_coordinator_;
+
+  DISALLOW_COPY_AND_ASSIGN(OfflinePageEvaluationBridge);
+};
+
+}  // namespace android
+}  // namespace offline_pages
+
+#endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_EVALUATION_OFFLINE_PAGE_EVALUATION_BRIDGE_H_