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// Copyright 2019 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.
#ifndef WEBLAYER_BROWSER_NAVIGATION_IMPL_H_
#define WEBLAYER_BROWSER_NAVIGATION_IMPL_H_
#include <memory>
#include "base/macros.h"
#include "base/optional.h"
#include "build/build_config.h"
#include "content/public/browser/navigation_controller.h"
#include "weblayer/public/navigation.h"
#if defined(OS_ANDROID)
#include "base/android/scoped_java_ref.h"
#endif
namespace content {
class NavigationHandle;
}
namespace weblayer {
class NavigationImpl : public Navigation {
public:
explicit NavigationImpl(content::NavigationHandle* navigation_handle);
~NavigationImpl() override;
void set_should_stop_when_throttle_created() {
should_stop_when_throttle_created_ = true;
}
bool should_stop_when_throttle_created() const {
return should_stop_when_throttle_created_;
}
void set_safe_to_set_request_headers(bool value) {
safe_to_set_request_headers_ = value;
}
void SetParamsToLoadWhenSafe(
std::unique_ptr<content::NavigationController::LoadURLParams> params);
std::unique_ptr<content::NavigationController::LoadURLParams>
TakeParamsToLoadWhenSafe();
#if defined(OS_ANDROID)
void SetJavaNavigation(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& java_navigation);
int GetState(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj) {
return static_cast<int>(GetState());
}
base::android::ScopedJavaLocalRef<jstring> GetUri(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj);
base::android::ScopedJavaLocalRef<jobjectArray> GetRedirectChain(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj);
int GetHttpStatusCode(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj) {
return GetHttpStatusCode();
}
bool IsSameDocument(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj) {
return IsSameDocument();
}
bool IsErrorPage(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj) {
return IsErrorPage();
}
int GetLoadError(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj) {
return static_cast<int>(GetLoadError());
}
jboolean SetRequestHeader(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
const base::android::JavaParamRef<jstring>& name,
const base::android::JavaParamRef<jstring>& value);
base::android::ScopedJavaGlobalRef<jobject> java_navigation() {
return java_navigation_;
}
#endif
private:
// Navigation implementation:
GURL GetURL() override;
const std::vector<GURL>& GetRedirectChain() override;
NavigationState GetState() override;
int GetHttpStatusCode() override;
bool IsSameDocument() override;
bool IsErrorPage() override;
LoadError GetLoadError() override;
void SetRequestHeader(const std::string& name,
const std::string& value) override;
content::NavigationHandle* navigation_handle_;
// Used to delay calling Stop() until safe. See
// NavigationControllerImpl::NavigationThrottleImpl for details.
bool should_stop_when_throttle_created_ = false;
// Whether SetRequestHeader() is allowed at this time.
bool safe_to_set_request_headers_ = false;
#if defined(OS_ANDROID)
base::android::ScopedJavaGlobalRef<jobject> java_navigation_;
#endif
// Used to delay loading until safe. In particular, if Navigate() is called
// from NavigationStarted(), then the parameters are captured and the
// navigation started later on. The delaying is necessary as content is not
// reentrant, and this triggers some amount of reentrancy.
std::unique_ptr<content::NavigationController::LoadURLParams>
scheduled_load_params_;
DISALLOW_COPY_AND_ASSIGN(NavigationImpl);
};
} // namespace weblayer
#endif // WEBLAYER_BROWSER_NAVIGATION_IMPL_H_
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