// 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 "components/embedder_support/android/delegate/color_chooser_android.h"

#include <stddef.h>

#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "content/public/browser/web_contents.h"
#include "jni/ColorChooserAndroid_jni.h"
#include "ui/android/window_android.h"

using base::android::ConvertUTF8ToJavaString;
using base::android::JavaRef;

namespace web_contents_delegate_android {

ColorChooserAndroid::ColorChooserAndroid(
    content::WebContents* web_contents,
    SkColor initial_color,
    const std::vector<blink::mojom::ColorSuggestionPtr>& suggestions)
    : web_contents_(web_contents) {
  JNIEnv* env = AttachCurrentThread();
  ScopedJavaLocalRef<jobjectArray> suggestions_array;

  if (suggestions.size() > 0) {
    suggestions_array = Java_ColorChooserAndroid_createColorSuggestionArray(
        env, suggestions.size());

    for (size_t i = 0; i < suggestions.size(); ++i) {
      const auto& suggestion = *suggestions[i];
      ScopedJavaLocalRef<jstring> label =
          ConvertUTF8ToJavaString(env, suggestion.label);
      Java_ColorChooserAndroid_addToColorSuggestionArray(
          env, suggestions_array, i, suggestion.color, label);
    }
  }

  auto* window_android = web_contents->GetNativeView()->GetWindowAndroid();
  if (window_android) {
    j_color_chooser_.Reset(Java_ColorChooserAndroid_createColorChooserAndroid(
        env, reinterpret_cast<intptr_t>(this), window_android->GetJavaObject(),
        initial_color, suggestions_array));
  }

  // Ends with the initial color if color chooser dialog failed.
  if (j_color_chooser_.is_null())
    OnColorChosen(env, j_color_chooser_, initial_color);
}

ColorChooserAndroid::~ColorChooserAndroid() {}

void ColorChooserAndroid::End() {
  if (!j_color_chooser_.is_null()) {
    JNIEnv* env = AttachCurrentThread();
    Java_ColorChooserAndroid_closeColorChooser(env, j_color_chooser_);
  }
}

void ColorChooserAndroid::SetSelectedColor(SkColor color) {
  // Not implemented since the color is set on the java side only, in theory
  // it can be set from JS which would override the user selection but
  // we don't support that for now.
}

void ColorChooserAndroid::OnColorChosen(JNIEnv* env,
                                        const JavaRef<jobject>& obj,
                                        jint color) {
  web_contents_->DidChooseColorInColorChooser(color);
  web_contents_->DidEndColorChooser();
}

}  // namespace web_contents_delegate_android
