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