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// Copyright (c) 2011 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 "media/tools/shader_bench/window.h"
#include "base/task.h"
#include "media/tools/shader_bench/painter.h"
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
namespace media {
static gboolean OnDelete(GtkWidget* widget, GdkEventExpose* event) {
gtk_main_quit();
return FALSE;
}
static gboolean OnExpose(GtkWidget* widget,
GdkEventExpose* event,
gpointer data) {
Window* window = reinterpret_cast<Window*>(data);
if (window)
window->OnPaint();
return FALSE;
}
gfx::NativeWindow Window::CreateNativeWindow(int width, int height) {
GtkWidget* hwnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(hwnd), width, height);
gtk_widget_set_double_buffered(hwnd, FALSE);
gtk_widget_set_app_paintable(hwnd, TRUE);
gtk_widget_show(hwnd);
return GTK_WINDOW(hwnd);
}
gfx::PluginWindowHandle Window::PluginWindow() {
return GDK_WINDOW_XWINDOW(GTK_WIDGET(window_handle_)->window);
}
void Window::Start(int limit, Task* done_task, Painter* painter) {
running_ = true;
count_ = 0;
limit_ = limit;
done_task_ = done_task;
painter_ = painter;
gtk_signal_connect(GTK_OBJECT(window_handle_),
"delete_event",
reinterpret_cast<GtkSignalFunc>(OnDelete),
NULL);
gtk_signal_connect(GTK_OBJECT(window_handle_),
"expose_event",
reinterpret_cast<GtkSignalFunc>(OnExpose),
this);
gtk_widget_queue_draw(GTK_WIDGET(window_handle_));
MainLoop();
}
void Window::OnPaint() {
if (!running_)
return;
if (count_ < limit_) {
painter_->OnPaint();
count_++;
gtk_widget_queue_draw(GTK_WIDGET(window_handle_));
} else {
running_ = false;
if (done_task_) {
done_task_->Run();
delete done_task_;
}
gtk_main_quit();
}
}
void Window::MainLoop() {
gtk_main();
}
} // namespace media
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