Add DownloadControllerAndroid public interface for android.

content/browser/android/download_controller.cc

Index: content/browser/android/download_controller.cc
diff --git a/content/browser/android/download_controller.cc b/content/browser/android/download_controller.cc
deleted file mode 100644
index 1e1be21d2c1cc1342ce637c0cc113fe3c6e475bd..0000000000000000000000000000000000000000
--- a/content/browser/android/download_controller.cc
+++ /dev/null
@@ -1,333 +0,0 @@
-// Copyright (c) 2012 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 "content/browser/android/download_controller.h"
-
-#include "base/android/jni_android.h"
-#include "base/android/jni_string.h"
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "content/browser/android/content_view_core_impl.h"
-#include "content/browser/download/download_item_impl.h"
-#include "content/browser/renderer_host/render_process_host_impl.h"
-#include "content/browser/renderer_host/render_view_host_delegate.h"
-#include "content/browser/renderer_host/render_view_host_impl.h"
-#include "content/browser/renderer_host/resource_dispatcher_host_impl.h"
-#include "content/browser/web_contents/web_contents_impl.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/global_request_id.h"
-#include "jni/DownloadController_jni.h"
-#include "net/cookies/cookie_options.h"
-#include "net/cookies/cookie_store.h"
-#include "net/http/http_request_headers.h"
-#include "net/url_request/url_request.h"
-#include "net/url_request/url_request_context.h"
-
-using base::android::AttachCurrentThread;
-using base::android::CheckException;
-using base::android::ConvertUTF8ToJavaString;
-using base::android::GetClass;
-using base::android::ScopedJavaLocalRef;
-
-namespace {
-const char kDownloadControllerClassPathName[] =
-    "org/chromium/content/browser/DownloadController";
-}  // namespace
-
-namespace content {
-
-// JNI methods
-static void Init(JNIEnv* env, jobject obj) {
-  DownloadController::GetInstance()->Init(env, obj);
-}
-
-struct DownloadController::JavaObject {
-  ScopedJavaLocalRef<jobject> Controller(JNIEnv* env) {
-    return GetRealObject(env, obj);
-  }
-  jweak obj;
-};
-
-// static
-bool DownloadController::RegisterDownloadController(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-DownloadController* DownloadController::GetInstance() {
-  return Singleton<DownloadController>::get();
-}
-
-DownloadController::DownloadController()
-    : java_object_(NULL) {
-}
-
-DownloadController::~DownloadController() {
-  if (java_object_) {
-    JNIEnv* env = AttachCurrentThread();
-    env->DeleteWeakGlobalRef(java_object_->obj);
-    delete java_object_;
-    CheckException(env);
-  }
-}
-
-// Initialize references to Java object.
-void DownloadController::Init(JNIEnv* env, jobject obj) {
-  java_object_ = new JavaObject;
-  java_object_->obj = env->NewWeakGlobalRef(obj);
-}
-
-void DownloadController::CreateGETDownload(
-    RenderViewHost* render_view_host,
-    int request_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  int render_process_id = render_view_host->GetProcess()->GetID();
-  GlobalRequestID global_id(render_process_id, request_id);
-
-  // We are yielding the UI thread and render_view_host may go away by
-  // the time we come back. Pass along render_process_id and render_view_id
-  // to retrieve it later (if it still exists).
-  BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
-      base::Bind(&DownloadController::PrepareDownloadInfo,
-                 base::Unretained(this), global_id,
-                 render_process_id,
-                 render_view_host->GetRoutingID()));
-}
-
-void DownloadController::PrepareDownloadInfo(
-    const GlobalRequestID& global_id,
-    int render_process_id, int render_view_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-
-  net::URLRequest* request =
-      ResourceDispatcherHostImpl::Get()->GetURLRequest(global_id);
-  DCHECK(request) << "Request to download not found.";
-
-  DownloadInfoAndroid info_android(request);
-
-  net::CookieStore* cookie_store = request->context()->cookie_store();
-  if (cookie_store) {
-    net::CookieMonster* cookie_monster = cookie_store->GetCookieMonster();
-    if (cookie_monster) {
-      cookie_monster->GetAllCookiesForURLAsync(
-          request->url(),
-          base::Bind(&DownloadController::CheckPolicyAndLoadCookies,
-                     base::Unretained(this), info_android, render_process_id,
-                     render_view_id, global_id));
-    } else {
-      DoLoadCookies(
-          info_android, render_process_id, render_view_id, global_id);
-    }
-  } else {
-    // Can't get any cookies, start android download.
-    StartAndroidDownload(info_android, render_process_id, render_view_id);
-  }
-}
-
-void DownloadController::CheckPolicyAndLoadCookies(
-    const DownloadInfoAndroid& info, int render_process_id,
-    int render_view_id, const GlobalRequestID& global_id,
-    const net::CookieList& cookie_list) {
-  net::URLRequest* request =
-      ResourceDispatcherHostImpl::Get()->GetURLRequest(global_id);
-  DCHECK(request) << "Request to download not found.";
-
-  if (request->context()->network_delegate()->CanGetCookies(
-      *request, cookie_list)) {
-    DoLoadCookies(info, render_process_id, render_view_id, global_id);
-  } else {
-    StartAndroidDownload(info, render_process_id, render_view_id);
-  }
-}
-
-void DownloadController::DoLoadCookies(
-    const DownloadInfoAndroid& info, int render_process_id,
-    int render_view_id, const GlobalRequestID& global_id) {
-  net::CookieOptions options;
-  options.set_include_httponly();
-
-  net::URLRequest* request =
-      ResourceDispatcherHostImpl::Get()->GetURLRequest(global_id);
-  DCHECK(request) << "Request to download not found.";
-
-  request->context()->cookie_store()->GetCookiesWithOptionsAsync(
-      info.url, options,
-      base::Bind(&DownloadController::OnCookieResponse,
-                 base::Unretained(this), info, render_process_id,
-                 render_view_id));
-}
-
-void DownloadController::OnCookieResponse(DownloadInfoAndroid download_info,
-                                          int render_process_id,
-                                          int render_view_id,
-                                          const std::string& cookie) {
-  download_info.cookie = cookie;
-
-  // We have everything we need, start Android download.
-  StartAndroidDownload(download_info, render_process_id, render_view_id);
-}
-
-void DownloadController::StartAndroidDownload(
-    const DownloadInfoAndroid& info,
-    int render_process_id,
-    int render_view_id) {
-  // Call ourself on the UI thread if not already on it.
-  if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
-    BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE,
-        base::Bind(&DownloadController::StartAndroidDownload,
-                   base::Unretained(this), info, render_process_id,
-                   render_view_id));
-    return;
-  }
-
-  JNIEnv* env = AttachCurrentThread();
-
-  // Call newHttpGetDownload
-  ScopedJavaLocalRef<jobject> view = GetContentView(render_process_id,
-                                                    render_view_id);
-  if (view.is_null()) {
-    // The view went away. Can't proceed.
-    LOG(ERROR) << "Download failed on URL:" << info.url.spec();
-    return;
-  }
-
-  ScopedJavaLocalRef<jstring> jurl =
-      ConvertUTF8ToJavaString(env, info.url.spec());
-  ScopedJavaLocalRef<jstring> juser_agent =
-      ConvertUTF8ToJavaString(env, info.user_agent);
-  ScopedJavaLocalRef<jstring> jcontent_disposition =
-      ConvertUTF8ToJavaString(env, info.content_disposition);
-  ScopedJavaLocalRef<jstring> jmime_type =
-      ConvertUTF8ToJavaString(env, info.original_mime_type);
-  ScopedJavaLocalRef<jstring> jcookie =
-      ConvertUTF8ToJavaString(env, info.cookie);
-  ScopedJavaLocalRef<jstring> jreferer =
-      ConvertUTF8ToJavaString(env, info.referer);
-
-  Java_DownloadController_newHttpGetDownload(
-      env, GetJavaObject()->Controller(env).obj(), view.obj(), jurl.obj(),
-      juser_agent.obj(), jcontent_disposition.obj(), jmime_type.obj(),
-      jcookie.obj(), jreferer.obj(), info.total_bytes);
-}
-
-void DownloadController::OnPostDownloadStarted(
-    WebContents* web_contents,
-    DownloadItem* download_item) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  JNIEnv* env = AttachCurrentThread();
-
-  // Register for updates to the DownloadItem.
-  download_item->AddObserver(this);
-
-  ScopedJavaLocalRef<jobject> view =
-      GetContentViewCoreFromWebContents(web_contents);
-  if(view.is_null()) {
-    // The view went away. Can't proceed.
-    return;
-  }
-
-  Java_DownloadController_onHttpPostDownloadStarted(
-      env, GetJavaObject()->Controller(env).obj(), view.obj());
-}
-
-void DownloadController::OnDownloadUpdated(DownloadItem* item) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-
-  if (item->GetState() != DownloadItem::COMPLETE)
-    return;
-
-  // Call onHttpPostDownloadCompleted
-  JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jstring> jurl =
-      ConvertUTF8ToJavaString(env, item->GetURL().spec());
-  ScopedJavaLocalRef<jstring> jcontent_disposition =
-      ConvertUTF8ToJavaString(env, item->GetContentDisposition());
-  ScopedJavaLocalRef<jstring> jmime_type =
-      ConvertUTF8ToJavaString(env, item->GetMimeType());
-  ScopedJavaLocalRef<jstring> jpath =
-      ConvertUTF8ToJavaString(env, item->GetFullPath().value());
-
-  ScopedJavaLocalRef<jobject> view_core = GetContentViewCoreFromWebContents(
-      item->GetWebContents());
-  if (view_core.is_null()) {
-    // We can get NULL WebContents from the DownloadItem.
-    return;
-  }
-
-  Java_DownloadController_onHttpPostDownloadCompleted(env,
-      GetJavaObject()->Controller(env).obj(), view_core.obj(), jurl.obj(),
-      jcontent_disposition.obj(), jmime_type.obj(), jpath.obj(),
-      item->GetReceivedBytes(), true);
-}
-
-void DownloadController::OnDownloadOpened(DownloadItem* item) {
-}
-
-ScopedJavaLocalRef<jobject> DownloadController::GetContentView(
-    int render_process_id, int render_view_id) {
-  RenderViewHost* render_view_host =
-      RenderViewHost::FromID(render_process_id, render_view_id);
-
-  if (!render_view_host)
-    return ScopedJavaLocalRef<jobject>();
-
-  WebContents* web_contents =
-      render_view_host->GetDelegate()->GetAsWebContents();
-
-  if (!web_contents)
-    return ScopedJavaLocalRef<jobject>();
-
-  return GetContentViewCoreFromWebContents(web_contents);
-}
-
-ScopedJavaLocalRef<jobject>
-    DownloadController::GetContentViewCoreFromWebContents(
-    WebContents* web_contents) {
-  if (!web_contents)
-    return ScopedJavaLocalRef<jobject>();
-
-  ContentViewCore* view_core = web_contents->GetContentNativeView();
-  return view_core ? view_core->GetJavaObject() :
-      ScopedJavaLocalRef<jobject>();
-}
-
-DownloadController::JavaObject* DownloadController::GetJavaObject() {
-  if (!java_object_) {
-    // Initialize Java DownloadController by calling
-    // DownloadController.getInstance(), which will call Init()
-    // if Java DownloadController is not instantiated already.
-    JNIEnv* env = AttachCurrentThread();
-    ScopedJavaLocalRef<jclass> clazz =
-        GetClass(env, kDownloadControllerClassPathName);
-    jmethodID get_instance = GetStaticMethodID(env, clazz, "getInstance",
-        "()Lorg/chromium/content/browser/DownloadController;");
-    ScopedJavaLocalRef<jobject> jobj(env,
-        env->CallStaticObjectMethod(clazz.obj(), get_instance));
-    CheckException(env);
-  }
-
-  DCHECK(java_object_);
-  return java_object_;
-}
-
-DownloadController::DownloadInfoAndroid::DownloadInfoAndroid(
-    net::URLRequest* request) {
-  request->GetResponseHeaderByName("content-disposition", &content_disposition);
-  request->GetMimeType(&original_mime_type);
-  request->extra_request_headers().GetHeader(
-      net::HttpRequestHeaders::kUserAgent, &user_agent);
-  GURL referer_url(request->GetSanitizedReferrer());
-  if (referer_url.is_valid())
-    referer = referer_url.spec();
-  if (!request->url_chain().empty()) {
-    original_url = request->url_chain().front();
-    url = request->url_chain().back();
-  }
-}
-
-DownloadController::DownloadInfoAndroid::~DownloadInfoAndroid() {}
-
-}  // namespace content