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// 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/web_contents_observer_android.h"
#include <string>
#include <jni.h>
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "content/browser/android/content_view_core_impl.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "base/android/scoped_java_ref.h"
#include "jni/WebContentsObserverAndroid_jni.h"
using base::android::AttachCurrentThread;
using base::android::ScopedJavaLocalRef;
using base::android::ConvertUTF8ToJavaString;
using base::android::ConvertUTF16ToJavaString;
using base::android::HasClass;
namespace content {
WebContentsObserverAndroid::WebContentsObserverAndroid(
JNIEnv* env,
jobject obj,
WebContents* web_contents)
: WebContentsObserver(web_contents),
weak_java_observer_(env, obj){
}
WebContentsObserverAndroid::~WebContentsObserverAndroid() {
}
jint Init(JNIEnv* env, jobject obj, jint native_content_view_core) {
ContentViewCore* content_view_core =
reinterpret_cast<ContentViewCore*>(native_content_view_core);
WebContentsObserverAndroid* native_observer = new WebContentsObserverAndroid(
env, obj, content_view_core->GetWebContents());
return reinterpret_cast<jint>(native_observer);
}
void WebContentsObserverAndroid::Destroy(JNIEnv* env, jobject obj) {
delete this;
}
void WebContentsObserverAndroid::WebContentsDestroyed(
WebContents* web_contents) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = weak_java_observer_.get(env);
if (obj.is_null()) {
delete this;
} else {
// The java side will destroy |this|
Java_WebContentsObserverAndroid_detachFromWebContents(env, obj.obj());
}
}
void WebContentsObserverAndroid::DidStartLoading(
RenderViewHost* render_view_host) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = weak_java_observer_.get(env);
if (obj.is_null())
return;
ScopedJavaLocalRef<jstring> jstring_url =
ConvertUTF8ToJavaString(env, web_contents()->GetURL().spec());
Java_WebContentsObserverAndroid_didStartLoading(
env, obj.obj(), jstring_url.obj());
}
void WebContentsObserverAndroid::DidStopLoading(
RenderViewHost* render_view_host) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = weak_java_observer_.get(env);
if (obj.is_null())
return;
ScopedJavaLocalRef<jstring> jstring_url =
ConvertUTF8ToJavaString(env, web_contents()->GetURL().spec());
Java_WebContentsObserverAndroid_didStopLoading(
env, obj.obj(), jstring_url.obj());
}
void WebContentsObserverAndroid::DidFailProvisionalLoad(
int64 frame_id,
bool is_main_frame,
const GURL& validated_url,
int error_code,
const string16& error_description,
RenderViewHost* render_view_host) {
DidFailLoadInternal(
true, is_main_frame, error_code, error_description, validated_url);
}
void WebContentsObserverAndroid::DidFailLoad(
int64 frame_id,
const GURL& validated_url,
bool is_main_frame,
int error_code,
const string16& error_description,
RenderViewHost* render_view_host) {
DidFailLoadInternal(
false, is_main_frame, error_code, error_description, validated_url);
}
void WebContentsObserverAndroid::DidNavigateMainFrame(
const LoadCommittedDetails& details,
const FrameNavigateParams& params) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = weak_java_observer_.get(env);
if (obj.is_null())
return;
ScopedJavaLocalRef<jstring> jstring_url =
ConvertUTF8ToJavaString(env, params.url.spec());
ScopedJavaLocalRef<jstring> jstring_base_url =
ConvertUTF8ToJavaString(env, params.base_url.spec());
Java_WebContentsObserverAndroid_didNavigateMainFrame(
env, obj.obj(), jstring_url.obj(), jstring_base_url.obj());
}
void WebContentsObserverAndroid::DidFailLoadInternal(
bool is_provisional_load,
bool is_main_frame,
int error_code,
const string16& description,
const GURL& url) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = weak_java_observer_.get(env);
if (obj.is_null())
return;
ScopedJavaLocalRef<jstring> jstring_error_description =
ConvertUTF16ToJavaString(env, description);
ScopedJavaLocalRef<jstring> jstring_url =
ConvertUTF8ToJavaString(env, url.spec());
Java_WebContentsObserverAndroid_didFailLoad(
env, obj.obj(),
is_provisional_load,
is_main_frame,
error_code,
jstring_error_description.obj(), jstring_url.obj());
}
bool RegisterWebContentsObserverAndroid(JNIEnv* env) {
if (!HasClass(env, kWebContentsObserverAndroidClassPath)) {
DLOG(ERROR) << "Unable to find class WebContentsObserverAndroid!";
return false;
}
return RegisterNativesImpl(env);
}
} // namespace content
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