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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 "chrome/browser/ui/views/dropdown_bar_view.h"
#include "chrome/browser/themes/theme_service.h"
#include "chrome/browser/ui/view_ids.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources_standard.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/canvas.h"
#include "views/background.h"
#include "views/widget/widget.h"
namespace {
// When we are animating, we draw only the top part of the left and right
// edges to give the illusion that the find dialog is attached to the
// window during this animation; this is the height of the items we draw.
const int kAnimatingEdgeHeight = 5;
} // namespace
DropdownBarView::DropdownBarView(DropdownBarHost* host)
: dialog_left_(NULL),
dialog_middle_(NULL),
dialog_right_(NULL),
host_(host),
animation_offset_(0) {
}
DropdownBarView::~DropdownBarView() {
}
////////////////////////////////////////////////////////////////////////////////
// DropDownBarView, public:
void DropdownBarView::SetAnimationOffset(int offset) {
animation_offset_ = offset;
}
////////////////////////////////////////////////////////////////////////////////
// DropDownBarView, protected:
void DropdownBarView::SetDialogBorderBitmaps(const SkBitmap* dialog_left,
const SkBitmap* dialog_middle,
const SkBitmap* dialog_right) {
dialog_left_ = dialog_left;
dialog_middle_ = dialog_middle;
dialog_right_ = dialog_right;
}
gfx::Rect DropdownBarView::PaintOffsetToolbarBackground(gfx::Canvas* canvas) {
// Determine the find bar size as well as the offset from which to tile the
// toolbar background image. First, get the widget bounds.
gfx::Rect bounds = GetWidget()->GetWindowScreenBounds();
// Now convert from screen to parent coordinates.
gfx::Point origin(bounds.origin());
BrowserView* browser_view = host()->browser_view();
ConvertPointToView(NULL, browser_view, &origin);
bounds.set_origin(origin);
// Finally, calculate the background image tiling offset.
origin = browser_view->OffsetPointForToolbarBackgroundImage(origin);
// First, we draw the background image for the whole dialog (3 images: left,
// middle and right). Note, that the window region has been set by the
// controller, so the whitespace in the left and right background images is
// actually outside the window region and is therefore not drawn. See
// FindInPageWidgetWin::CreateRoundedWindowEdges() for details.
ui::ThemeProvider* tp = GetThemeProvider();
canvas->TileImageInt(*tp->GetBitmapNamed(IDR_THEME_TOOLBAR), origin.x(),
origin.y(), 0, 0, bounds.width(), bounds.height());
return bounds;
}
void DropdownBarView::PaintDialogBorder(gfx::Canvas* canvas,
const gfx::Rect& bounds) const {
DCHECK(dialog_left_);
DCHECK(dialog_middle_);
DCHECK(dialog_right_);
canvas->DrawBitmapInt(*dialog_left_, 0, 0);
// Stretch the middle background to cover all of the area between the two
// other images.
canvas->TileImageInt(*dialog_middle_, dialog_left_->width(), 0,
bounds.width() - dialog_left_->width() - dialog_right_->width(),
dialog_middle_->height());
canvas->DrawBitmapInt(*dialog_right_, bounds.width() - dialog_right_->width(),
0);
}
void DropdownBarView::PaintAnimatingEdges(gfx::Canvas* canvas,
const gfx::Rect& bounds) const {
if (animation_offset() > 0) {
// While animating we draw the curved edges at the point where the
// controller told us the top of the window is: |animation_offset()|.
canvas->TileImageInt(*dialog_left_, bounds.x(), animation_offset(),
dialog_left_->width(), kAnimatingEdgeHeight);
canvas->TileImageInt(*dialog_right_,
bounds.width() - dialog_right_->width(), animation_offset(),
dialog_right_->width(), kAnimatingEdgeHeight);
}
}
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