components/service_tab_launcher/browser/android/service_tab_launcher.cc

   1 // Copyright 2015 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 #include "components/service_tab_launcher/browser/android/service_tab_launcher.h"
   6
   7 #include "base/android/jni_string.h"
   8 #include "base/callback.h"
   9 #include "content/public/browser/browser_context.h"
  10 #include "content/public/browser/page_navigator.h"
  11 #include "content/public/browser/web_contents.h"
  12 #include "jni/ServiceTabLauncher_jni.h"
  13
  14 using base::android::AttachCurrentThread;
  15 using base::android::ConvertUTF8ToJavaString;
  16 using base::android::GetApplicationContext;
  17
  18 // Called by Java when the WebContents instance for a request Id is available.
  19 void OnWebContentsForRequestAvailable(
  20     JNIEnv* env,
  21     const JavaParamRef<jclass>& clazz,
  22     jint request_id,
  23     const JavaParamRef<jobject>& android_web_contents) {
  24   service_tab_launcher::ServiceTabLauncher::GetInstance()->OnTabLaunched(
  25       request_id,
  26       content::WebContents::FromJavaWebContents(android_web_contents));
  27 }
  28
  29 namespace service_tab_launcher {
  30
  31 // static
  32 ServiceTabLauncher* ServiceTabLauncher::GetInstance() {
  33   return base::Singleton<ServiceTabLauncher>::get();
  34 }
  35
  36 ServiceTabLauncher::ServiceTabLauncher() {
  37   java_object_.Reset(
  38       Java_ServiceTabLauncher_getInstance(AttachCurrentThread(),
  39                                           GetApplicationContext()));
  40 }
  41
  42 ServiceTabLauncher::~ServiceTabLauncher() {}
  43
  44 void ServiceTabLauncher::LaunchTab(
  45     content::BrowserContext* browser_context,
  46     const content::OpenURLParams& params,
  47     const TabLaunchedCallback& callback) {
  48   if (!java_object_.obj()) {
  49     LOG(ERROR) << "No ServiceTabLauncher is available to launch a new tab.";
  50     callback.Run(nullptr);
  51     return;
  52   }
  53
  54   WindowOpenDisposition disposition = params.disposition;
  55   if (disposition != NEW_WINDOW && disposition != NEW_POPUP &&
  56       disposition != NEW_FOREGROUND_TAB && disposition != NEW_BACKGROUND_TAB) {
  57     // ServiceTabLauncher can currently only launch new tabs.
  58     NOTIMPLEMENTED();
  59     return;
  60   }
  61
  62   JNIEnv* env = AttachCurrentThread();
  63   ScopedJavaLocalRef<jstring> url = ConvertUTF8ToJavaString(
  64       env, params.url.spec());
  65   ScopedJavaLocalRef<jstring> referrer_url =
  66       ConvertUTF8ToJavaString(env, params.referrer.url.spec());
  67   ScopedJavaLocalRef<jstring> headers = ConvertUTF8ToJavaString(
  68       env, params.extra_headers);
  69
  70   ScopedJavaLocalRef<jbyteArray> post_data;
  71
  72   int request_id = tab_launched_callbacks_.Add(
  73       new TabLaunchedCallback(callback));
  74   DCHECK_GE(request_id, 1);
  75
  76   Java_ServiceTabLauncher_launchTab(env,
  77                                     java_object_.obj(),
  78                                     GetApplicationContext(),
  79                                     request_id,
  80                                     browser_context->IsOffTheRecord(),
  81                                     url.obj(),
  82                                     disposition,
  83                                     referrer_url.obj(),
  84                                     params.referrer.policy,
  85                                     headers.obj(),
  86                                     post_data.obj());
  87 }
  88
  89 void ServiceTabLauncher::OnTabLaunched(int request_id,
  90                                        content::WebContents* web_contents) {
  91   TabLaunchedCallback* callback = tab_launched_callbacks_.Lookup(request_id);
  92   DCHECK(callback);
  93
  94   if (callback)
  95     callback->Run(web_contents);
  96
  97   tab_launched_callbacks_.Remove(request_id);
  98 }
  99
 100 bool ServiceTabLauncher::RegisterServiceTabLauncher(JNIEnv* env) {
 101   return RegisterNativesImpl(env);
 102 }
 103
 104 }  // namespace service_tab_launcher