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// Copyright (c) 2009 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 "chrome/browser/gtk/slide_animator_gtk.h"
#include <gtk/gtk.h>
#include "base/logging.h"
#include "chrome/common/animation.h"
#include "chrome/common/slide_animation.h"
namespace {
void OnSizeAllocate(GtkWidget* fixed,
GtkAllocation* allocation,
GtkWidget* child) {
gint height;
gtk_widget_get_size_request(child, NULL, &height);
// The size of the GtkFixed has changed. We want |child_| to match widths,
// but the height should always be |widget_height_|.
gtk_widget_set_size_request(child, allocation->width, height);
}
} // namespace
SlideAnimatorGtk::SlideAnimatorGtk(GtkWidget* child,
Direction direction,
Delegate* delegate)
: child_(child),
direction_(direction),
delegate_(delegate) {
widget_.Own(gtk_fixed_new());
// We need to give the GtkFixed its own window so that painting will clip
// correctly.
gtk_fixed_set_has_window(GTK_FIXED(widget_.get()), TRUE);
gtk_fixed_put(GTK_FIXED(widget_.get()), child, 0, 0);
gtk_widget_set_size_request(widget_.get(), -1, 0);
// We have to manually set the size request for |child_| every time the
// GtkFixed changes sizes.
g_signal_connect(widget_.get(), "size-allocate",
G_CALLBACK(OnSizeAllocate), child_);
animation_.reset(new SlideAnimation(this));
animation_->SetTweenType(SlideAnimation::NONE);
}
SlideAnimatorGtk::~SlideAnimatorGtk() {
widget_.Destroy();
}
void SlideAnimatorGtk::Open() {
gtk_widget_show_all(widget_.get());
animation_->Show();
}
void SlideAnimatorGtk::OpenWithoutAnimation() {
animation_->Reset(1.0);
Open();
}
void SlideAnimatorGtk::Close() {
animation_->Hide();
}
bool SlideAnimatorGtk::IsShowing() {
return animation_->IsShowing();
}
void SlideAnimatorGtk::AnimationProgressed(const Animation* animation) {
int showing_height = child_->allocation.height *
animation_->GetCurrentValue();
if (direction_ == DOWN) {
gtk_fixed_move(GTK_FIXED(widget_.get()), child_, 0,
showing_height - child_->allocation.height);
}
gtk_widget_set_size_request(widget_.get(), -1, showing_height);
}
void SlideAnimatorGtk::AnimationEnded(const Animation* animation) {
if (!animation_->IsShowing() && delegate_)
delegate_->Closed();
}
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