Restructuring NavigationController functionalities from ContentViewCore to NavigationController

content/browser/frame_host/navigation_controller_android.cc

 // Copyright 2013 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/frame_host/navigation_controller_android.h"
 
 #include "base/android/jni_android.h"
+#include "base/android/jni_array.h"
+#include "base/android/jni_string.h"
+#include "content/browser/frame_host/navigation_entry_impl.h"
+#include "content/browser/ssl/ssl_host_state.h"
 #include "content/public/browser/navigation_controller.h"
 #include "jni/NavigationControllerImpl_jni.h"
+#include "ui/gfx/android/java_bitmap.h"
 
 using base::android::AttachCurrentThread;
+using base::android::ConvertJavaStringToUTF16;
+using base::android::ConvertJavaStringToUTF8;
+using base::android::ConvertUTF16ToJavaString;
+using base::android::ConvertUTF8ToJavaString;
+
+namespace {
+
+// static
+static void AddNavigationEntryToHistory(
+    JNIEnv* env,
+    jobject obj,
+    jobject history,
+    content::NavigationEntry* entry,
+    int index) {
+  // Get the details of the current entry
+  ScopedJavaLocalRef<jstring> j_url(
+      ConvertUTF8ToJavaString(env, entry->GetURL().spec()));
+  ScopedJavaLocalRef<jstring> j_virtual_url(
+      ConvertUTF8ToJavaString(env, entry->GetVirtualURL().spec()));
+  ScopedJavaLocalRef<jstring> j_original_url(
+      ConvertUTF8ToJavaString(env, entry->GetOriginalRequestURL().spec()));
+  ScopedJavaLocalRef<jstring> j_title(
+      ConvertUTF16ToJavaString(env, entry->GetTitle()));
+  ScopedJavaLocalRef<jobject> j_bitmap;
+  const content::FaviconStatus& status = entry->GetFavicon();
+  if (status.valid && status.image.ToSkBitmap()->getSize() > 0)
+    j_bitmap = gfx::ConvertToJavaBitmap(status.image.ToSkBitmap());
+
+  // Add the item to the list
+  content::Java_NavigationControllerImpl_addToNavigationHistory(
+      env, obj, history, index, j_url.obj(), j_virtual_url.obj(),
+      j_original_url.obj(), j_title.obj(), j_bitmap.obj());
+}
+
+} // namespace
 
 namespace content {
 
 // static
 bool NavigationControllerAndroid::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 NavigationControllerAndroid::NavigationControllerAndroid(
     NavigationController* navigation_controller)
@@ skipping 72 matching lines @@
                                                       jobject obj) {
   navigation_controller_->CancelPendingReload();
 }
 
 void NavigationControllerAndroid::GoToNavigationIndex(JNIEnv* env,
                                                       jobject obj,
                                                       jint index) {
   navigation_controller_->GoToIndex(index);
 }
 
+void NavigationControllerAndroid::LoadUrl(
+    JNIEnv* env,
+    jobject obj,
+    jstring url,
+    jint load_url_type,
+    jint transition_type,
+    jstring j_referrer_url,
+    jint referrer_policy,
+    jint ua_override_option,
+    jstring extra_headers,
+    jbyteArray post_data,
+    jstring base_url_for_data_url,
+    jstring virtual_url_for_data_url,
+    jboolean can_load_local_resources,
+    jboolean is_renderer_initiated) {
+  DCHECK(url);
+  NavigationController::LoadURLParams params(
+      GURL(ConvertJavaStringToUTF8(env, url)));
+
+  params.load_type = static_cast<NavigationController::LoadURLType>(
+      load_url_type);
+  params.transition_type = PageTransitionFromInt(transition_type);
+  params.override_user_agent =
+      static_cast<NavigationController::UserAgentOverrideOption>(
+          ua_override_option);
+  params.can_load_local_resources = can_load_local_resources;
+  params.is_renderer_initiated = is_renderer_initiated;
+
+  if (extra_headers)
+    params.extra_headers = ConvertJavaStringToUTF8(env, extra_headers);
+
+  if (post_data) {
+    std::vector<uint8> http_body_vector;
+    base::android::JavaByteArrayToByteVector(env, post_data, &http_body_vector);
+    params.browser_initiated_post_data =
+        base::RefCountedBytes::TakeVector(&http_body_vector);
+  }
+
+  if (base_url_for_data_url) {
+    params.base_url_for_data_url =
+        GURL(ConvertJavaStringToUTF8(env, base_url_for_data_url));
+  }
+
+  if (virtual_url_for_data_url) {
+    params.virtual_url_for_data_url =
+        GURL(ConvertJavaStringToUTF8(env, virtual_url_for_data_url));
+  }
+
+  if (j_referrer_url) {
+    params.referrer = content::Referrer(
+        GURL(ConvertJavaStringToUTF8(env, j_referrer_url)),
+        static_cast<blink::WebReferrerPolicy>(referrer_policy));
+  }
+
+  navigation_controller_->LoadURLWithParams(params);
+}
+
+void NavigationControllerAndroid::ClearHistory(JNIEnv* env, jobject obj) {
+  // TODO(creis): Do callers of this need to know if it fails?
+  if (navigation_controller_->CanPruneAllButLastCommitted())
+    navigation_controller_->PruneAllButLastCommitted();
+}
+
+jint NavigationControllerAndroid::GetNavigationHistory(
+    JNIEnv* env,
+    jobject obj,
+    jobject history) {
+  // Iterate through navigation entries to populate the list
+  int count = navigation_controller_->GetEntryCount();
+  for (int i = 0; i < count; ++i) {
+    AddNavigationEntryToHistory(
+        env, obj, history, navigation_controller_->GetEntryAtIndex(i), i);
+  }
+
+  return navigation_controller_->GetCurrentEntryIndex();
+}
+
+void NavigationControllerAndroid::GetDirectedNavigationHistory(
+    JNIEnv* env,
+    jobject obj,
+    jobject history,
+    jboolean is_forward,
+    jint max_entries) {
+  // Iterate through navigation entries to populate the list
+  int count = navigation_controller_->GetEntryCount();
+  int num_added = 0;
+  int increment_value = is_forward ? 1 : -1;
+  for (int i = navigation_controller_->GetCurrentEntryIndex() + increment_value;
+       i >= 0 && i < count;
+       i += increment_value) {
+    if (num_added >= max_entries)
+      break;
+
+    AddNavigationEntryToHistory(
+        env, obj, history, navigation_controller_->GetEntryAtIndex(i), i);
+    num_added++;
+  }
+}
+
+ScopedJavaLocalRef<jstring>
+NavigationControllerAndroid::GetOriginalUrlForVisibleNavigationEntry(
+    JNIEnv* env,
+    jobject obj) {
+  NavigationEntry* entry = navigation_controller_->GetVisibleEntry();
+  if (entry == NULL)
+    return ScopedJavaLocalRef<jstring>(env, NULL);
+  return ConvertUTF8ToJavaString(env, entry->GetOriginalRequestURL().spec());
+}
+
+void NavigationControllerAndroid::ClearSslPreferences(
+    JNIEnv* env,
+    jobject obj) {
+  SSLHostState* state = SSLHostState::GetFor(
+      navigation_controller_->GetBrowserContext());
+  state->Clear();
+}
+
+bool NavigationControllerAndroid::GetUseDesktopUserAgent(
+    JNIEnv* env,
+    jobject obj) {
+  NavigationEntry* entry = navigation_controller_->GetVisibleEntry();
+  return entry && entry->GetIsOverridingUserAgent();
+}
+
+void NavigationControllerAndroid::SetUseDesktopUserAgent(
+    JNIEnv* env,
+    jobject obj,
+    jboolean enabled,
+    jboolean reload_on_state_change) {
+  if (GetUseDesktopUserAgent(env, obj) == enabled)
+    return;
+
+  // Make sure the navigation entry actually exists.
+  NavigationEntry* entry = navigation_controller_->GetVisibleEntry();
+  if (!entry)
+    return;
+
+  // Set the flag in the NavigationEntry.
+  entry->SetIsOverridingUserAgent(enabled);
+
+  // Send the override to the renderer.
+  if (reload_on_state_change) {
+    // Reloading the page will send the override down as part of the
+    // navigation IPC message.
+    navigation_controller_->ReloadOriginalRequestURL(false);
+  }
+}
+
 }  // namespace content