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// Copyright (c) 2012 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 "ash/wm/custom_frame_view_ash.h"
#include "ash/shell_delegate.h"
#include "ash/wm/frame_painter.h"
#include "ash/wm/workspace/frame_maximize_button.h"
#include "grit/ash_resources.h"
#include "grit/ui_strings.h" // Accessibility names
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/compositor/layer_animator.h"
#include "ui/compositor/scoped_animation_duration_scale_mode.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/font.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/size.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/widget/native_widget_aura.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
namespace {
const gfx::Font& GetTitleFont() {
static gfx::Font* title_font = NULL;
if (!title_font)
title_font = new gfx::Font(views::NativeWidgetAura::GetWindowTitleFont());
return *title_font;
}
} // namespace
namespace ash {
// static
const char CustomFrameViewAsh::kViewClassName[] = "CustomFrameViewAsh";
////////////////////////////////////////////////////////////////////////////////
// CustomFrameViewAsh, public:
CustomFrameViewAsh::CustomFrameViewAsh()
: frame_(NULL),
maximize_button_(NULL),
close_button_(NULL),
window_icon_(NULL),
frame_painter_(new ash::FramePainter) {
}
CustomFrameViewAsh::~CustomFrameViewAsh() {
}
void CustomFrameViewAsh::Init(views::Widget* frame) {
frame_ = frame;
maximize_button_ = new FrameMaximizeButton(this, this);
maximize_button_->SetAccessibleName(
l10n_util::GetStringUTF16(IDS_APP_ACCNAME_MAXIMIZE));
AddChildView(maximize_button_);
close_button_ = new views::ImageButton(this);
close_button_->SetAccessibleName(
l10n_util::GetStringUTF16(IDS_APP_ACCNAME_CLOSE));
AddChildView(close_button_);
maximize_button_->SetVisible(frame_->widget_delegate()->CanMaximize());
if (frame_->widget_delegate()->ShouldShowWindowIcon()) {
window_icon_ = new views::ImageButton(this);
AddChildView(window_icon_);
}
frame_painter_->Init(frame_, window_icon_, maximize_button_, close_button_,
FramePainter::SIZE_BUTTON_MAXIMIZES);
}
////////////////////////////////////////////////////////////////////////////////
// CustomFrameViewAsh, views::NonClientFrameView overrides:
gfx::Rect CustomFrameViewAsh::GetBoundsForClientView() const {
int top_height = NonClientTopBorderHeight();
return frame_painter_->GetBoundsForClientView(top_height,
bounds());
}
gfx::Rect CustomFrameViewAsh::GetWindowBoundsForClientBounds(
const gfx::Rect& client_bounds) const {
int top_height = NonClientTopBorderHeight();
return frame_painter_->GetWindowBoundsForClientBounds(top_height,
client_bounds);
}
int CustomFrameViewAsh::NonClientHitTest(const gfx::Point& point) {
return frame_painter_->NonClientHitTest(this, point);
}
void CustomFrameViewAsh::GetWindowMask(const gfx::Size& size,
gfx::Path* window_mask) {
// No window masks in Aura.
}
void CustomFrameViewAsh::ResetWindowControls() {
maximize_button_->SetState(views::CustomButton::STATE_NORMAL);
}
void CustomFrameViewAsh::UpdateWindowIcon() {
if (window_icon_)
window_icon_->SchedulePaint();
}
void CustomFrameViewAsh::UpdateWindowTitle() {
frame_painter_->SchedulePaintForTitle(GetTitleFont());
}
////////////////////////////////////////////////////////////////////////////////
// CustomFrameViewAsh, views::View overrides:
gfx::Size CustomFrameViewAsh::GetPreferredSize() {
gfx::Size pref = frame_->client_view()->GetPreferredSize();
gfx::Rect bounds(0, 0, pref.width(), pref.height());
return frame_->non_client_view()->GetWindowBoundsForClientBounds(
bounds).size();
}
void CustomFrameViewAsh::Layout() {
// Use the shorter maximized layout headers.
frame_painter_->LayoutHeader(this, true);
}
void CustomFrameViewAsh::OnPaint(gfx::Canvas* canvas) {
if (frame_->IsFullscreen())
return;
// Prevent bleeding paint onto the client area below the window frame, which
// may become visible when the WebContent is transparent.
canvas->Save();
canvas->ClipRect(gfx::Rect(0, 0, width(), NonClientTopBorderHeight()));
bool paint_as_active = ShouldPaintAsActive();
int theme_image_id = 0;
if (frame_painter_->ShouldUseMinimalHeaderStyle(FramePainter::THEMED_NO))
theme_image_id = IDR_AURA_WINDOW_HEADER_BASE_MINIMAL;
else if (paint_as_active)
theme_image_id = IDR_AURA_WINDOW_HEADER_BASE_ACTIVE;
else
theme_image_id = IDR_AURA_WINDOW_HEADER_BASE_INACTIVE;
frame_painter_->PaintHeader(
this,
canvas,
paint_as_active ? FramePainter::ACTIVE : FramePainter::INACTIVE,
theme_image_id,
0);
frame_painter_->PaintTitleBar(this, canvas, GetTitleFont());
frame_painter_->PaintHeaderContentSeparator(this, canvas);
canvas->Restore();
}
const char* CustomFrameViewAsh::GetClassName() const {
return kViewClassName;
}
gfx::Size CustomFrameViewAsh::GetMinimumSize() {
return frame_painter_->GetMinimumSize(this);
}
gfx::Size CustomFrameViewAsh::GetMaximumSize() {
return frame_painter_->GetMaximumSize(this);
}
////////////////////////////////////////////////////////////////////////////////
// views::ButtonListener overrides:
void CustomFrameViewAsh::ButtonPressed(views::Button* sender,
const ui::Event& event) {
scoped_ptr<ui::ScopedAnimationDurationScaleMode> slow_duration_mode;
if (event.IsShiftDown()) {
slow_duration_mode.reset(new ui::ScopedAnimationDurationScaleMode(
ui::ScopedAnimationDurationScaleMode::SLOW_DURATION));
}
ash::UserMetricsAction action =
ash::UMA_WINDOW_MAXIMIZE_BUTTON_CLICK_MAXIMIZE;
if (sender == maximize_button_) {
// The maximize button may move out from under the cursor.
ResetWindowControls();
if (frame_->IsMaximized()) {
action = ash::UMA_WINDOW_MAXIMIZE_BUTTON_CLICK_RESTORE;
frame_->Restore();
} else {
frame_->Maximize();
}
// |this| may be deleted - some windows delete their frames on maximize.
} else if (sender == close_button_) {
action = ash::UMA_WINDOW_CLOSE_BUTTON_CLICK;
frame_->Close();
} else {
return;
}
ash::Shell::GetInstance()->delegate()->RecordUserMetricsAction(action);
}
////////////////////////////////////////////////////////////////////////////////
// CustomFrameViewAsh, private:
int CustomFrameViewAsh::NonClientTopBorderHeight() const {
if (frame_->IsFullscreen())
return 0;
// Reserve enough space to see the buttons, including any offset from top and
// reserving space for the separator line.
return close_button_->bounds().bottom() +
frame_painter_->HeaderContentSeparatorSize();
}
} // namespace ash
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