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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // This class pairs with DownloadController on Java side to forward requests | |
| 6 // for GET downloads to the current DownloadListener. POST downloads are | |
| 7 // handled on the native side. | |
| 8 // | |
| 9 // Both classes are Singleton classes. C++ object owns Java object. | |
| 10 // | |
| 11 // Call sequence | |
| 12 // GET downloads: | |
| 13 // DownloadController::NewGetDownload() => | |
| 14 // DownloadController.newHttpGetDownload() => | |
| 15 // DownloadListener.onDownloadStart() / | |
| 16 // DownloadListener2.requestHttpGetDownload() | |
| 17 // | |
| 18 | |
| 19 #ifndef CONTENT_BROWSER_ANDROID_DOWNLOAD_CONTROLLER_H_ | |
| 20 #define CONTENT_BROWSER_ANDROID_DOWNLOAD_CONTROLLER_H_ | |
| 21 | |
| 22 #include <string> | |
| 23 | |
| 24 #include "base/android/jni_helper.h" | |
| 25 #include "base/android/scoped_java_ref.h" | |
| 26 #include "base/memory/singleton.h" | |
| 27 #include "content/public/browser/download_item.h" | |
| 28 #include "googleurl/src/gurl.h" | |
| 29 #include "net/cookies/cookie_monster.h" | |
| 30 | |
| 31 namespace net { | |
| 32 class URLRequest; | |
| 33 } | |
| 34 | |
| 35 namespace content { | |
| 36 struct GlobalRequestID; | |
| 37 class RenderViewHost; | |
| 38 class WebContents; | |
| 39 | |
| 40 class DownloadController : public DownloadItem::Observer { | |
| 41 public: | |
| 42 static bool RegisterDownloadController(JNIEnv* env); | |
| 43 static DownloadController* GetInstance(); | |
| 44 | |
| 45 // Called when DownloadController Java object is instantiated. | |
| 46 void Init(JNIEnv* env, jobject obj); | |
| 47 | |
| 48 // Starts a new download request with Android. Should be called on the | |
| 49 // UI thread. | |
| 50 void CreateGETDownload(RenderViewHost* source, | |
| 51 int request_id); | |
| 52 | |
| 53 // Should be called when a POST download is started. Notifies the embedding | |
| 54 // app about the download. Called on the UI thread. | |
| 55 void OnPostDownloadStarted(WebContents* web_contents, | |
| 56 DownloadItem* download_item); | |
| 57 | |
| 58 // DownloadItem::Observer interface. | |
| 59 virtual void OnDownloadUpdated(DownloadItem* item) OVERRIDE; | |
| 60 virtual void OnDownloadOpened(DownloadItem* item) OVERRIDE; | |
| 61 | |
| 62 private: | |
| 63 // Used to store all the information about an Android download. | |
| 64 struct DownloadInfoAndroid { | |
| 65 explicit DownloadInfoAndroid(net::URLRequest* request); | |
| 66 ~DownloadInfoAndroid(); | |
| 67 | |
| 68 // The URL from which we are downloading. This is the final URL after any | |
| 69 // redirection by the server for |original_url_|. | |
| 70 GURL url; | |
| 71 // The original URL before any redirection by the server for this URL. | |
| 72 GURL original_url; | |
| 73 int64 total_bytes; | |
| 74 std::string content_disposition; | |
| 75 std::string original_mime_type; | |
| 76 std::string user_agent; | |
| 77 std::string cookie; | |
| 78 std::string referer; | |
| 79 | |
| 80 WebContents* web_contents; | |
| 81 // Default copy constructor is used for passing this struct by value. | |
| 82 }; | |
| 83 | |
| 84 struct JavaObject; | |
| 85 friend struct DefaultSingletonTraits<DownloadController>; | |
| 86 DownloadController(); | |
| 87 virtual ~DownloadController(); | |
| 88 | |
| 89 void PrepareDownloadInfo(const GlobalRequestID& global_id, | |
| 90 int render_process_id, | |
| 91 int render_view_id); | |
| 92 | |
| 93 void CheckPolicyAndLoadCookies(const DownloadInfoAndroid& info, | |
| 94 int render_process_id, | |
| 95 int render_view_id, | |
| 96 const GlobalRequestID& global_id, | |
| 97 const net::CookieList& cookie_list); | |
| 98 | |
| 99 void DoLoadCookies(const DownloadInfoAndroid& info, | |
| 100 int render_process_id, | |
| 101 int render_view_id, | |
| 102 const GlobalRequestID& global_id); | |
| 103 | |
| 104 void OnCookieResponse(DownloadInfoAndroid info, | |
| 105 int render_process_id, | |
| 106 int render_view_id, | |
| 107 const std::string& cookie); | |
| 108 | |
| 109 void StartAndroidDownload(const DownloadInfoAndroid& info, | |
| 110 int render_process_id, | |
| 111 int render_view_id); | |
| 112 | |
| 113 base::android::ScopedJavaLocalRef<jobject> GetContentViewCoreFromWebContents( | |
| 114 WebContents* web_contents); | |
| 115 | |
| 116 base::android::ScopedJavaLocalRef<jobject> GetContentView( | |
| 117 int render_process_id, int render_view_id); | |
| 118 | |
| 119 // Creates Java object if it is not created already and returns it. | |
| 120 JavaObject* GetJavaObject(); | |
| 121 | |
| 122 JavaObject* java_object_; | |
| 123 | |
| 124 DISALLOW_COPY_AND_ASSIGN(DownloadController); | |
| 125 }; | |
| 126 | |
| 127 } // namespace content | |
| 128 | |
| 129 #endif // CONTENT_BROWSER_ANDROID_DOWNLOAD_CONTROLLER_H_ | |
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Chromium Code Reviews
Issue 11112022:
Add DownloadControllerAndroid public interface for android. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src