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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "exclusive_access_context_android.h"
#include "base/functional/callback.h"
#include "base/notreached.h"
#include "base/task/single_thread_task_runner.h"
#include "chrome/android/chrome_jni_headers/ExclusiveAccessContext_jni.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/android/exclusive_access/exclusive_access_bubble_android.h"
#include "content/public/browser/web_contents.h"
ExclusiveAccessContextAndroid::ExclusiveAccessContextAndroid(
JNIEnv* env,
const jni_zero::JavaRef<jobject>& j_activity,
const jni_zero::JavaRef<jobject>& j_fullscreen_manager,
const jni_zero::JavaRef<jobject>& j_activity_tab_provider) {
java_context_.Reset(Java_ExclusiveAccessContext_create(
env, j_activity, j_fullscreen_manager, j_activity_tab_provider));
}
ExclusiveAccessContextAndroid::~ExclusiveAccessContextAndroid() = default;
void ExclusiveAccessContextAndroid::Destroy(JNIEnv* env) {
Java_ExclusiveAccessContext_destroy(env, java_context_);
}
Profile* ExclusiveAccessContextAndroid::GetProfile() {
JNIEnv* env = jni_zero::AttachCurrentThread();
auto java_profile =
Java_ExclusiveAccessContext_getProfile(env, java_context_);
return Profile::FromJavaObject(java_profile);
}
bool ExclusiveAccessContextAndroid::IsFullscreen() const {
JNIEnv* env = jni_zero::AttachCurrentThread();
return Java_ExclusiveAccessContext_isFullscreen(env, java_context_);
}
void ExclusiveAccessContextAndroid::EnterFullscreen(
const url::Origin& origin,
ExclusiveAccessBubbleType bubble_type,
FullscreenTabParams fullscreen_tab_params) {
JNIEnv* env = jni_zero::AttachCurrentThread();
Java_ExclusiveAccessContext_enterFullscreenModeForTab(
env, java_context_, fullscreen_tab_params.display_id,
fullscreen_tab_params.prefers_navigation_bar,
fullscreen_tab_params.prefers_status_bar);
auto params = ExclusiveAccessBubbleParams{origin, bubble_type};
if (!exclusive_access_bubble_) {
exclusive_access_bubble_ = std::make_unique<ExclusiveAccessBubbleAndroid>(
params, base::NullCallback(), java_context_);
}
{
exclusive_access_bubble_->Update(params, base::NullCallback());
}
}
void ExclusiveAccessContextAndroid::ExitFullscreen() {
JNIEnv* env = jni_zero::AttachCurrentThread();
Java_ExclusiveAccessContext_exitFullscreenModeForTab(env, java_context_);
}
void ExclusiveAccessContextAndroid::UpdateExclusiveAccessBubble(
const ExclusiveAccessBubbleParams& params,
ExclusiveAccessBubbleHideCallback first_hide_callback) {
if (!params.has_download &&
params.type == EXCLUSIVE_ACCESS_BUBBLE_TYPE_NONE) {
if (first_hide_callback) {
std::move(first_hide_callback)
.Run(ExclusiveAccessBubbleHideReason::kNotShown);
}
// If we intend to close the bubble but it has already been deleted no
// action is needed.
if (!exclusive_access_bubble_) {
return;
}
// Exit if we've already queued up a task to close the bubble.
if (exclusive_access_bubble_destruction_task_id_) {
return;
}
// `HideImmediately()` will trigger a callback for the current bubble with
// `ExclusiveAccessBubbleHideReason::kInterrupted` if available.
exclusive_access_bubble_->HideImmediately();
// Perform the destroy async. State updates in the exclusive access bubble
// view may call back into this method. This otherwise results in premature
// deletion of the bubble view and UAFs. See crbug.com/1426521.
exclusive_access_bubble_destruction_task_id_ =
exclusive_access_bubble_cancelable_task_tracker_.PostTask(
base::SingleThreadTaskRunner::GetCurrentDefault().get(), FROM_HERE,
base::BindOnce(
&ExclusiveAccessContextAndroid::DestroyAnyExclusiveAccessBubble,
GetAsWeakPtr()));
return;
}
if (exclusive_access_bubble_) {
if (exclusive_access_bubble_destruction_task_id_) {
// We previously posted a destruction task, but now we want to reuse the
// bubble. Cancel the destruction task.
exclusive_access_bubble_cancelable_task_tracker_.TryCancel(
exclusive_access_bubble_destruction_task_id_.value());
exclusive_access_bubble_destruction_task_id_.reset();
}
exclusive_access_bubble_->Update(params, std::move(first_hide_callback));
return;
}
exclusive_access_bubble_ = std::make_unique<ExclusiveAccessBubbleAndroid>(
params, std::move(first_hide_callback), java_context_);
}
void ExclusiveAccessContextAndroid::DestroyAnyExclusiveAccessBubble() {
exclusive_access_bubble_.reset();
exclusive_access_bubble_destruction_task_id_.reset();
}
bool ExclusiveAccessContextAndroid::IsExclusiveAccessBubbleDisplayed() const {
return exclusive_access_bubble_ && exclusive_access_bubble_->IsVisible();
}
void ExclusiveAccessContextAndroid::OnExclusiveAccessUserInput() {}
content::WebContents*
ExclusiveAccessContextAndroid::GetWebContentsForExclusiveAccess() {
JNIEnv* env = jni_zero::AttachCurrentThread();
jni_zero::ScopedJavaLocalRef<jobject> j_web_contents =
Java_ExclusiveAccessContext_getWebContentsForExclusiveAccess(
env, java_context_);
return content::WebContents::FromJavaWebContents(j_web_contents);
}
bool ExclusiveAccessContextAndroid::CanUserEnterFullscreen() const {
return true;
}
bool ExclusiveAccessContextAndroid::CanUserExitFullscreen() const {
return true;
}
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