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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 "chrome/browser/ui/views/avatar_menu_button.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/command_updater.h"
#include "chrome/browser/managed_mode.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/avatar_menu_model.h"
#include "chrome/browser/profiles/profile_info_util.h"
#include "chrome/browser/profiles/profile_metrics.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/views/avatar_menu_bubble_view.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/notification_service.h"
#include "ui/gfx/canvas.h"
#include "ui/views/widget/widget.h"
#if defined(OS_WIN)
#include <shobjidl.h>
#include "base/win/scoped_comptr.h"
#include "base/win/windows_version.h"
#include "skia/ext/image_operations.h"
#include "ui/gfx/icon_util.h"
#endif
static inline int Round(double x) {
return static_cast<int>(x + 0.5);
}
// The Windows 7 taskbar supports dynamic overlays and effects, we use this
// to ovelay the avatar icon there. The overlay only applies if the taskbar
// is in "default large icon mode". This function is a best effort deal so
// we bail out silently at any error condition.
// See http://msdn.microsoft.com/en-us/library/dd391696(VS.85).aspx for
// more information.
void DrawTaskBarDecoration(gfx::NativeWindow window, const gfx::Image* image) {
#if defined(OS_WIN) && !defined(USE_AURA)
if (base::win::GetVersion() < base::win::VERSION_WIN7)
return;
// SetOverlayIcon does nothing if the window is not visible so testing
// here avoids all the wasted effort of the image resizing.
if (!::IsWindowVisible(window))
return;
base::win::ScopedComPtr<ITaskbarList3> taskbar;
HRESULT result = taskbar.CreateInstance(CLSID_TaskbarList, NULL,
CLSCTX_INPROC_SERVER);
if (FAILED(result) || FAILED(taskbar->HrInit()))
return;
HICON icon = NULL;
if (image) {
const SkBitmap* bitmap = image->ToSkBitmap();
const SkBitmap* source_bitmap = NULL;
SkBitmap squarer_bitmap;
if ((bitmap->width() == profiles::kAvatarIconWidth) &&
(bitmap->height() == profiles::kAvatarIconHeight)) {
// Shave a couple of columns so the bitmap is more square. So when
// resized to a square aspect ratio it looks pretty.
int x = 2;
bitmap->extractSubset(&squarer_bitmap, SkIRect::MakeXYWH(x, 0,
profiles::kAvatarIconWidth - x * 2, profiles::kAvatarIconHeight));
source_bitmap = &squarer_bitmap;
} else {
// The image's size has changed. Resize what we have.
source_bitmap = bitmap;
}
// Since the target size is so small, we use our best resizer. Never pass
// windows a different size because it will badly hammer it to 16x16.
SkBitmap sk_icon = skia::ImageOperations::Resize(
*source_bitmap,
skia::ImageOperations::RESIZE_LANCZOS3,
16, 16);
icon = IconUtil::CreateHICONFromSkBitmap(sk_icon);
if (!icon)
return;
}
taskbar->SetOverlayIcon(window, icon, L"");
if (icon)
DestroyIcon(icon);
#endif
}
AvatarMenuButton::AvatarMenuButton(Browser* browser, bool incognito)
: MenuButton(NULL, string16(), this, false),
browser_(browser),
incognito_(incognito),
is_gaia_picture_(false),
old_height_(0) {
// In RTL mode, the avatar icon should be looking the opposite direction.
EnableCanvasFlippingForRTLUI(true);
}
AvatarMenuButton::~AvatarMenuButton() {
}
void AvatarMenuButton::OnPaint(gfx::Canvas* canvas) {
if (!icon_.get())
return;
if (old_height_ != height() || button_icon_.isNull()) {
old_height_ = height();
button_icon_ = *profiles::GetAvatarIconForTitleBar(
*icon_, is_gaia_picture_, width(), height()).ToImageSkia();
}
// Scale the image to fit the width of the button.
int dst_width = std::min(button_icon_.width(), width());
// Truncate rather than rounding, so that for odd widths we put the extra
// pixel on the left.
int dst_x = (width() - dst_width) / 2;
// Scale the height and maintain aspect ratio. This means that the
// icon may not fit in the view. That's ok, we just vertically center it.
float scale =
static_cast<float>(dst_width) / static_cast<float>(button_icon_.width());
// Round here so that we minimize the aspect ratio drift.
int dst_height = Round(button_icon_.height() * scale);
// Round rather than truncating, so that for odd heights we select an extra
// pixel below the image center rather than above. This is because the
// incognito image has shadows at the top that make the apparent center below
// the real center.
int dst_y = Round((height() - dst_height) / 2.0);
canvas->DrawImageInt(button_icon_, 0, 0, button_icon_.width(),
button_icon_.height(), dst_x, dst_y, dst_width, dst_height, false);
}
bool AvatarMenuButton::HitTest(const gfx::Point& point) const {
if (incognito_)
return false;
return views::MenuButton::HitTest(point);
}
void AvatarMenuButton::SetAvatarIcon(const gfx::Image& icon,
bool is_gaia_picture) {
icon_.reset(new gfx::Image(icon));
button_icon_ = gfx::ImageSkia();
is_gaia_picture_ = is_gaia_picture;
SchedulePaint();
}
// views::MenuButtonListener implementation
void AvatarMenuButton::OnMenuButtonClicked(views::View* source,
const gfx::Point& point) {
if (incognito_)
return;
if (ManagedMode::IsInManagedMode())
ManagedMode::LeaveManagedMode();
else
ShowAvatarBubble();
}
void AvatarMenuButton::ShowAvatarBubble() {
DCHECK(browser_->command_updater()->IsCommandEnabled(IDC_SHOW_AVATAR_MENU));
gfx::Point origin;
views::View::ConvertPointToScreen(this, &origin);
gfx::Rect bounds(origin, size());
AvatarMenuBubbleView* bubble = new AvatarMenuBubbleView(this,
views::BubbleBorder::TOP_LEFT, bounds, browser_);
views::BubbleDelegateView::CreateBubble(bubble);
bubble->Show();
ProfileMetrics::LogProfileOpenMethod(ProfileMetrics::ICON_AVATAR_BUBBLE);
}
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