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