blob: 27098f985020f19092bd133b3cb70e796fe19ed7 [file] [log] [blame]
// Copyright 2013 The Flutter 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 "flutter/shell/platform/glfw/platform_handler.h"
#include <iostream>
#include "flutter/shell/platform/common/json_method_codec.h"
static constexpr char kChannelName[] = "flutter/platform";
static constexpr char kGetClipboardDataMethod[] = "Clipboard.getData";
static constexpr char kSetClipboardDataMethod[] = "Clipboard.setData";
static constexpr char kSystemNavigatorPopMethod[] = "SystemNavigator.pop";
static constexpr char kTextPlainFormat[] = "text/plain";
static constexpr char kTextKey[] = "text";
static constexpr char kNoWindowError[] = "Missing window error";
static constexpr char kUnknownClipboardFormatError[] =
"Unknown clipboard format error";
namespace flutter {
PlatformHandler::PlatformHandler(flutter::BinaryMessenger* messenger,
GLFWwindow* window)
: channel_(std::make_unique<flutter::MethodChannel<rapidjson::Document>>(
messenger,
kChannelName,
&flutter::JsonMethodCodec::GetInstance())),
window_(window) {
channel_->SetMethodCallHandler(
[this](
const flutter::MethodCall<rapidjson::Document>& call,
std::unique_ptr<flutter::MethodResult<rapidjson::Document>> result) {
HandleMethodCall(call, std::move(result));
});
}
void PlatformHandler::HandleMethodCall(
const flutter::MethodCall<rapidjson::Document>& method_call,
std::unique_ptr<flutter::MethodResult<rapidjson::Document>> result) {
const std::string& method = method_call.method_name();
if (method.compare(kGetClipboardDataMethod) == 0) {
if (!window_) {
result->Error(kNoWindowError,
"Clipboard is not available in GLFW headless mode.");
return;
}
// Only one string argument is expected.
const rapidjson::Value& format = method_call.arguments()[0];
if (strcmp(format.GetString(), kTextPlainFormat) != 0) {
result->Error(kUnknownClipboardFormatError,
"GLFW clipboard API only supports text.");
return;
}
const char* clipboardData = glfwGetClipboardString(window_);
if (clipboardData == nullptr) {
result->Error(kUnknownClipboardFormatError,
"Failed to retrieve clipboard data from GLFW api.");
return;
}
rapidjson::Document document;
document.SetObject();
rapidjson::Document::AllocatorType& allocator = document.GetAllocator();
document.AddMember(rapidjson::Value(kTextKey, allocator),
rapidjson::Value(clipboardData, allocator), allocator);
result->Success(document);
} else if (method.compare(kSetClipboardDataMethod) == 0) {
if (!window_) {
result->Error(kNoWindowError,
"Clipboard is not available in GLFW headless mode.");
return;
}
const rapidjson::Value& document = *method_call.arguments();
rapidjson::Value::ConstMemberIterator itr = document.FindMember(kTextKey);
if (itr == document.MemberEnd()) {
result->Error(kUnknownClipboardFormatError,
"Missing text to store on clipboard.");
return;
}
glfwSetClipboardString(window_, itr->value.GetString());
result->Success();
} else if (method.compare(kSystemNavigatorPopMethod) == 0) {
exit(EXIT_SUCCESS);
result->Success();
} else {
result->NotImplemented();
}
}
} // namespace flutter