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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "DownloadWidget.h"
#include <AK/NumberFormat.h>
#include <AK/SharedBuffer.h>
#include <AK/StringBuilder.h>
#include <LibCore/File.h>
#include <LibCore/StandardPaths.h>
#include <LibDesktop/Launcher.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/Image.h>
#include <LibGUI/Label.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/ProgressBar.h>
#include <LibGUI/Window.h>
#include <LibProtocol/Client.h>
#include <LibWeb/Loader/ResourceLoader.h>
#include <math.h>
namespace Browser {
DownloadWidget::DownloadWidget(const URL& url)
: m_url(url)
{
{
StringBuilder builder;
builder.append(Core::StandardPaths::downloads_directory());
builder.append('/');
builder.append(m_url.basename());
m_destination_path = builder.to_string();
}
m_elapsed_timer.start();
m_download = Web::ResourceLoader::the().protocol_client().start_download(url.to_string());
ASSERT(m_download);
m_download->on_progress = [this](Optional<u32> total_size, u32 downloaded_size) {
did_progress(total_size.value(), downloaded_size);
};
m_download->on_finish = [this](bool success, auto& payload, auto payload_storage, auto& response_headers, auto) {
did_finish(success, payload, payload_storage, response_headers);
};
set_fill_with_background_color(true);
auto& layout = set_layout<GUI::VerticalBoxLayout>();
layout.set_margins({ 4, 4, 4, 4 });
auto& animation_container = add<GUI::Widget>();
animation_container.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
animation_container.set_preferred_size(0, 32);
auto& animation_layout = animation_container.set_layout<GUI::HorizontalBoxLayout>();
auto& browser_image = animation_container.add<GUI::Image>();
browser_image.load_from_file("/res/download-animation.gif");
animation_layout.add_spacer();
auto& source_label = add<GUI::Label>(String::format("From: %s", url.to_string().characters()));
source_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
source_label.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
source_label.set_preferred_size(0, 16);
m_progress_bar = add<GUI::ProgressBar>();
m_progress_bar->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
m_progress_bar->set_preferred_size(0, 20);
m_progress_label = add<GUI::Label>();
m_progress_label->set_text_alignment(Gfx::TextAlignment::CenterLeft);
m_progress_label->set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
m_progress_label->set_preferred_size(0, 16);
auto& destination_label = add<GUI::Label>(String::format("To: %s", m_destination_path.characters()));
destination_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
destination_label.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
destination_label.set_preferred_size(0, 16);
auto& button_container = add<GUI::Widget>();
auto& button_container_layout = button_container.set_layout<GUI::HorizontalBoxLayout>();
button_container_layout.add_spacer();
m_cancel_button = button_container.add<GUI::Button>("Cancel");
m_cancel_button->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
m_cancel_button->set_preferred_size(100, 22);
m_cancel_button->on_click = [this](auto) {
bool success = m_download->stop();
ASSERT(success);
window()->close();
};
m_close_button = button_container.add<GUI::Button>("OK");
m_close_button->set_enabled(false);
m_close_button->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
m_close_button->set_preferred_size(100, 22);
m_close_button->on_click = [this](auto) {
window()->close();
};
}
DownloadWidget::~DownloadWidget()
{
}
void DownloadWidget::did_progress(Optional<u32> total_size, u32 downloaded_size)
{
m_progress_bar->set_min(0);
if (total_size.has_value()) {
int percent = roundf(((float)downloaded_size / (float)total_size.value()) * 100.0f);
window()->set_progress(percent);
m_progress_bar->set_max(total_size.value());
} else {
m_progress_bar->set_max(0);
}
m_progress_bar->set_value(downloaded_size);
{
StringBuilder builder;
builder.append("Downloaded ");
builder.append(human_readable_size(downloaded_size));
builder.appendf(" in %d sec", m_elapsed_timer.elapsed() / 1000);
m_progress_label->set_text(builder.to_string());
}
{
StringBuilder builder;
if (total_size.has_value()) {
int percent = roundf(((float)downloaded_size / (float)total_size.value()) * 100);
builder.appendf("%d%%", percent);
} else {
builder.append(human_readable_size(downloaded_size));
}
builder.append(" of ");
builder.append(m_url.basename());
window()->set_title(builder.to_string());
}
}
void DownloadWidget::did_finish(bool success, const ByteBuffer& payload, RefPtr<SharedBuffer> payload_storage, const HashMap<String, String, CaseInsensitiveStringTraits>& response_headers)
{
(void)payload;
(void)payload_storage;
(void)response_headers;
dbg() << "did_finish, success=" << success;
m_close_button->set_enabled(true);
m_cancel_button->set_text("Open in Folder");
m_cancel_button->on_click = [this](auto) {
Desktop::Launcher::open(URL::create_with_file_protocol(Core::StandardPaths::downloads_directory()));
window()->close();
};
m_cancel_button->update();
if (!success) {
GUI::MessageBox::show(String::format("Download failed for some reason"), "Download failed", GUI::MessageBox::Type::Error, GUI::MessageBox::InputType::OK, window());
window()->close();
return;
}
auto file_or_error = Core::File::open(m_destination_path, Core::IODevice::WriteOnly);
if (file_or_error.is_error()) {
GUI::MessageBox::show(String::format("Cannot open %s for writing", m_destination_path.characters()), "Download failed", GUI::MessageBox::Type::Error, GUI::MessageBox::InputType::OK, window());
window()->close();
return;
}
auto& file = *file_or_error.value();
bool write_success = file.write(payload.data(), payload.size());
ASSERT(write_success);
}
}
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