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content / browser / android / select_popup.cc [blame]
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/android/select_popup.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/containers/heap_array.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/browser/web_contents/web_contents_view_android.h"
#include "ui/gfx/geometry/rect_f.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "content/public/android/content_jni_headers/SelectPopup_jni.h"
using base::android::AttachCurrentThread;
using base::android::JavaParamRef;
using base::android::ScopedJavaLocalRef;
namespace content {
namespace {
// Describes the type and enabled state of a select popup item.
//
// A Java counterpart will be generated for this enum.
// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.content.browser.input
enum PopupItemType {
// Popup item is of type group
POPUP_ITEM_TYPE_GROUP,
// Popup item is disabled
POPUP_ITEM_TYPE_DISABLED,
// Popup item is enabled
POPUP_ITEM_TYPE_ENABLED,
};
} // namespace
SelectPopup::SelectPopup(WebContentsImpl* web_contents)
: web_contents_(web_contents) {
JNIEnv* env = AttachCurrentThread();
java_obj_ = JavaObjectWeakGlobalRef(
env, Java_SelectPopup_create(env, web_contents_->GetJavaWebContents(),
reinterpret_cast<intptr_t>(this)));
}
SelectPopup::~SelectPopup() {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_obj_.get(env);
if (j_obj.is_null())
return;
Java_SelectPopup_onNativeDestroyed(env, j_obj);
popup_client_.reset();
}
void SelectPopup::ShowMenu(
mojo::PendingRemote<blink::mojom::PopupMenuClient> popup_client,
const gfx::Rect& bounds,
std::vector<blink::mojom::MenuItemPtr> items,
int selected_item,
bool multiple,
bool right_aligned) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_obj_.get(env);
if (j_obj.is_null())
return;
// Hide the popup menu if the mojo connection is still open.
if (popup_client_)
HideMenu();
// For multi-select list popups we find the list of previous selections by
// iterating through the items. But for single selection popups we take the
// given |selected_item| as is.
ScopedJavaLocalRef<jintArray> selected_array;
if (multiple) {
auto native_selected_array = base::HeapArray<jint>::WithSize(items.size());
size_t selected_count = 0;
for (size_t i = 0; i < items.size(); ++i) {
if (items[i]->checked)
native_selected_array[selected_count++] = i;
}
selected_array =
ScopedJavaLocalRef<jintArray>(env, env->NewIntArray(selected_count));
env->SetIntArrayRegion(selected_array.obj(), 0, selected_count,
native_selected_array.data());
} else {
selected_array = ScopedJavaLocalRef<jintArray>(env, env->NewIntArray(1));
jint value = selected_item;
env->SetIntArrayRegion(selected_array.obj(), 0, 1, &value);
}
ScopedJavaLocalRef<jintArray> enabled_array(env,
env->NewIntArray(items.size()));
std::vector<std::string> labels;
labels.reserve(items.size());
for (size_t i = 0; i < items.size(); ++i) {
labels.push_back(items[i]->label.value_or(""));
jint enabled = (items[i]->type == blink::mojom::MenuItem::Type::kGroup
? POPUP_ITEM_TYPE_GROUP
: (items[i]->enabled ? POPUP_ITEM_TYPE_ENABLED
: POPUP_ITEM_TYPE_DISABLED));
env->SetIntArrayRegion(enabled_array.obj(), i, 1, &enabled);
}
ScopedJavaLocalRef<jobjectArray> items_array(
base::android::ToJavaArrayOfStrings(env, labels));
ui::ViewAndroid* view = web_contents_->GetNativeView();
popup_view_ = view->AcquireAnchorView();
const ScopedJavaLocalRef<jobject> popup_view = popup_view_.view();
if (popup_view.is_null())
return;
popup_client_.Bind(std::move(popup_client));
popup_client_.set_disconnect_handler(
base::BindOnce(&SelectPopup::HideMenu, base::Unretained(this)));
// |bounds| is in physical pixels.
gfx::RectF bounds_dip = gfx::RectF(bounds);
bounds_dip.Scale(1 / web_contents_->GetNativeView()->GetDipScale());
view->SetAnchorRect(popup_view, bounds_dip);
Java_SelectPopup_show(
env, j_obj, popup_view, reinterpret_cast<jlong>(popup_client_.get()),
items_array, enabled_array, multiple, selected_array, right_aligned);
}
void SelectPopup::HideMenu() {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_obj = java_obj_.get(env);
if (!j_obj.is_null())
Java_SelectPopup_hideWithoutCancel(env, j_obj);
popup_view_.Reset();
popup_client_.reset();
}
void SelectPopup::SelectMenuItems(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong selectPopupDelegate,
const JavaParamRef<jintArray>& indices) {
blink::mojom::PopupMenuClient* popup_client_raw_ptr =
reinterpret_cast<blink::mojom::PopupMenuClient*>(selectPopupDelegate);
DCHECK(popup_client_raw_ptr && popup_client_.get() == popup_client_raw_ptr);
if (indices == NULL) {
popup_client_->DidCancel();
return;
}
std::vector<int> selected_indices;
base::android::JavaIntArrayToIntVector(env, indices, &selected_indices);
popup_client_->DidAcceptIndices(selected_indices);
}
} // namespace content