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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/frame/browser_frame_aura.h"
#include "base/command_line.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/window.h"
#include "ui/aura/window_observer.h"
#include "ui/base/hit_test.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/font.h"
#include "ui/views/view.h"
#if defined(USE_ASH)
#include "ash/wm/property_util.h"
#include "ash/wm/window_util.h"
#include "chrome/browser/ui/ash/ash_init.h"
#endif
#if !defined(OS_CHROMEOS)
#include "chrome/browser/ui/views/frame/desktop_browser_frame_aura.h"
#endif
using aura::Window;
////////////////////////////////////////////////////////////////////////////////
// BrowserFrameAura::WindowPropertyWatcher
class BrowserFrameAura::WindowPropertyWatcher : public aura::WindowObserver {
public:
explicit WindowPropertyWatcher(BrowserFrameAura* browser_frame_aura,
BrowserFrame* browser_frame)
: browser_frame_aura_(browser_frame_aura),
browser_frame_(browser_frame) {}
virtual void OnWindowPropertyChanged(aura::Window* window,
const void* key,
intptr_t old) OVERRIDE {
if (key != aura::client::kShowStateKey)
return;
ui::WindowShowState old_state = static_cast<ui::WindowShowState>(old);
ui::WindowShowState new_state =
window->GetProperty(aura::client::kShowStateKey);
// Allow the frame to be replaced when entering or exiting the maximized
// state.
if (browser_frame_->non_client_view() &&
browser_frame_aura_->browser_view()->browser()->is_app() &&
(old_state == ui::SHOW_STATE_MAXIMIZED ||
new_state == ui::SHOW_STATE_MAXIMIZED)) {
// Defer frame layout when replacing the frame. Layout will occur when the
// window's bounds are updated. The window maximize/restore animations
// clone the window's layers and rely on the subsequent layout to set
// the layer sizes.
// If the window is minimized, the frame view needs to be updated via
// an OnBoundsChanged event so that the frame will change its size
// properly.
browser_frame_->non_client_view()->UpdateFrame(
old_state == ui::SHOW_STATE_MINIMIZED);
}
}
virtual void OnWindowBoundsChanged(aura::Window* window,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) OVERRIDE {
// Don't do anything if we don't have our non-client view yet.
if (!browser_frame_->non_client_view())
return;
// If the window just moved to the top of the screen, or just moved away
// from it, invoke Layout() so the header size can change.
if ((old_bounds.y() == 0 && new_bounds.y() != 0) ||
(old_bounds.y() != 0 && new_bounds.y() == 0))
browser_frame_->non_client_view()->Layout();
}
private:
BrowserFrameAura* browser_frame_aura_;
BrowserFrame* browser_frame_;
DISALLOW_COPY_AND_ASSIGN(WindowPropertyWatcher);
};
///////////////////////////////////////////////////////////////////////////////
// BrowserFrameAura, public:
BrowserFrameAura::BrowserFrameAura(BrowserFrame* browser_frame,
BrowserView* browser_view)
: views::NativeWidgetAura(browser_frame),
browser_view_(browser_view),
window_property_watcher_(new WindowPropertyWatcher(this, browser_frame)) {
GetNativeWindow()->SetName("BrowserFrameAura");
GetNativeWindow()->AddObserver(window_property_watcher_.get());
#if defined(USE_ASH)
// Tabbed browsers and apps (some apps are TYPE_POPUP) get their own
// workspace.
if (browser_view->browser()->type() != Browser::TYPE_POPUP ||
browser_view->browser()->is_app()) {
ash::SetPersistsAcrossAllWorkspaces(
GetNativeWindow(),
ash::WINDOW_PERSISTS_ACROSS_ALL_WORKSPACES_VALUE_NO);
}
// Turn on auto window management if we don't need an explicit bounds.
// This way the requested bounds are honored.
if (!browser_view->browser()->bounds_overridden() &&
!browser_view->browser()->is_session_restore())
SetWindowAutoManaged();
#endif
}
///////////////////////////////////////////////////////////////////////////////
// BrowserFrameAura, views::NativeWidgetAura overrides:
void BrowserFrameAura::OnWindowDestroying() {
// Window is destroyed before our destructor is called, so clean up our
// observer here.
GetNativeWindow()->RemoveObserver(window_property_watcher_.get());
views::NativeWidgetAura::OnWindowDestroying();
}
void BrowserFrameAura::OnWindowTargetVisibilityChanged(bool visible) {
// On Aura when the BrowserView is shown it tries to restore focus, but can
// be blocked when this parent BrowserFrameAura isn't visible. Therefore we
// RestoreFocus() when we become visible, which results in the web contents
// being asked to focus, which places focus either in the web contents or in
// the location bar as appropriate.
if (visible) {
// Once the window has been shown we know the requested bounds
// (if provided) have been honored and we can switch on window management.
SetWindowAutoManaged();
browser_view_->RestoreFocus();
}
views::NativeWidgetAura::OnWindowTargetVisibilityChanged(visible);
}
////////////////////////////////////////////////////////////////////////////////
// BrowserFrameAura, NativeBrowserFrame implementation:
views::NativeWidget* BrowserFrameAura::AsNativeWidget() {
return this;
}
const views::NativeWidget* BrowserFrameAura::AsNativeWidget() const {
return this;
}
bool BrowserFrameAura::UsesNativeSystemMenu() const {
return false;
}
int BrowserFrameAura::GetMinimizeButtonOffset() const {
return 0;
}
void BrowserFrameAura::TabStripDisplayModeChanged() {
}
////////////////////////////////////////////////////////////////////////////////
// BrowserFrame, public:
// static
const gfx::Font& BrowserFrame::GetTitleFont() {
static gfx::Font* title_font = new gfx::Font;
return *title_font;
}
////////////////////////////////////////////////////////////////////////////////
// NativeBrowserFrame, public:
// static
NativeBrowserFrame* NativeBrowserFrame::CreateNativeBrowserFrame(
BrowserFrame* browser_frame,
BrowserView* browser_view) {
#if !defined(OS_CHROMEOS)
if (
#if defined(USE_ASH)
!chrome::ShouldOpenAshOnStartup() &&
#endif
chrome::GetHostDesktopTypeForBrowser(browser_view->browser()) ==
chrome::HOST_DESKTOP_TYPE_NATIVE)
return new DesktopBrowserFrameAura(browser_frame, browser_view);
#endif
return new BrowserFrameAura(browser_frame, browser_view);
}
///////////////////////////////////////////////////////////////////////////////
// BrowserFrameAura, private:
BrowserFrameAura::~BrowserFrameAura() {
}
void BrowserFrameAura::SetWindowAutoManaged() {
#if defined(USE_ASH)
if (browser_view_->browser()->type() != Browser::TYPE_POPUP ||
browser_view_->browser()->is_app())
ash::wm::SetWindowPositionManaged(GetNativeWindow(), true);
#endif
}
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