Updating XTBs based on .GRDs from branch master
[chromium-blink-merge.git] / ash / frame / custom_frame_view_ash.cc
blobd5196535201fb43840c2c5e2bc96b181b64ed199
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "ash/frame/custom_frame_view_ash.h"
7 #include <algorithm>
8 #include <vector>
10 #include "ash/ash_switches.h"
11 #include "ash/frame/caption_buttons/frame_caption_button_container_view.h"
12 #include "ash/frame/default_header_painter.h"
13 #include "ash/frame/frame_border_hit_test_controller.h"
14 #include "ash/frame/frame_util.h"
15 #include "ash/frame/header_painter.h"
16 #include "ash/session/session_state_delegate.h"
17 #include "ash/shell.h"
18 #include "ash/shell_observer.h"
19 #include "ash/wm/immersive_fullscreen_controller.h"
20 #include "ash/wm/window_state.h"
21 #include "ash/wm/window_state_delegate.h"
22 #include "ash/wm/window_state_observer.h"
23 #include "base/command_line.h"
24 #include "ui/aura/client/aura_constants.h"
25 #include "ui/aura/window.h"
26 #include "ui/aura/window_observer.h"
27 #include "ui/gfx/canvas.h"
28 #include "ui/gfx/geometry/rect.h"
29 #include "ui/gfx/geometry/rect_conversions.h"
30 #include "ui/gfx/geometry/size.h"
31 #include "ui/gfx/image/image.h"
32 #include "ui/views/controls/image_view.h"
33 #include "ui/views/view.h"
34 #include "ui/views/view_targeter.h"
35 #include "ui/views/widget/widget.h"
36 #include "ui/views/widget/widget_delegate.h"
38 namespace {
40 ///////////////////////////////////////////////////////////////////////////////
41 // CustomFrameViewAshWindowStateDelegate
43 // Handles a user's fullscreen request (Shift+F4/F4). Puts the window into
44 // immersive fullscreen if immersive fullscreen is enabled for non-browser
45 // windows.
46 class CustomFrameViewAshWindowStateDelegate
47 : public ash::wm::WindowStateDelegate,
48 public ash::wm::WindowStateObserver,
49 public aura::WindowObserver {
50 public:
51 CustomFrameViewAshWindowStateDelegate(
52 ash::wm::WindowState* window_state,
53 ash::CustomFrameViewAsh* custom_frame_view)
54 : window_state_(NULL) {
55 immersive_fullscreen_controller_.reset(
56 new ash::ImmersiveFullscreenController);
57 custom_frame_view->InitImmersiveFullscreenControllerForView(
58 immersive_fullscreen_controller_.get());
60 // Add a window state observer to exit fullscreen properly in case
61 // fullscreen is exited without going through
62 // WindowState::ToggleFullscreen(). This is the case when exiting
63 // immersive fullscreen via the "Restore" window control.
64 // TODO(pkotwicz): This is a hack. Remove ASAP. http://crbug.com/319048
65 window_state_ = window_state;
66 window_state_->AddObserver(this);
67 window_state_->window()->AddObserver(this);
69 ~CustomFrameViewAshWindowStateDelegate() override {
70 if (window_state_) {
71 window_state_->RemoveObserver(this);
72 window_state_->window()->RemoveObserver(this);
75 private:
76 // Overridden from ash::wm::WindowStateDelegate:
77 bool ToggleFullscreen(ash::wm::WindowState* window_state) override {
78 bool enter_fullscreen = !window_state->IsFullscreen();
79 if (enter_fullscreen) {
80 window_state->window()->SetProperty(aura::client::kShowStateKey,
81 ui::SHOW_STATE_FULLSCREEN);
82 } else {
83 window_state->Restore();
85 if (immersive_fullscreen_controller_) {
86 immersive_fullscreen_controller_->SetEnabled(
87 ash::ImmersiveFullscreenController::WINDOW_TYPE_OTHER,
88 enter_fullscreen);
90 return true;
92 // Overridden from aura::WindowObserver:
93 void OnWindowDestroying(aura::Window* window) override {
94 window_state_->RemoveObserver(this);
95 window_state_->window()->RemoveObserver(this);
96 window_state_ = NULL;
98 // Overridden from ash::wm::WindowStateObserver:
99 void OnPostWindowStateTypeChange(ash::wm::WindowState* window_state,
100 ash::wm::WindowStateType old_type) override {
101 if (!window_state->IsFullscreen() &&
102 !window_state->IsMinimized() &&
103 immersive_fullscreen_controller_.get() &&
104 immersive_fullscreen_controller_->IsEnabled()) {
105 immersive_fullscreen_controller_->SetEnabled(
106 ash::ImmersiveFullscreenController::WINDOW_TYPE_OTHER,
107 false);
111 ash::wm::WindowState* window_state_;
112 scoped_ptr<ash::ImmersiveFullscreenController>
113 immersive_fullscreen_controller_;
115 DISALLOW_COPY_AND_ASSIGN(CustomFrameViewAshWindowStateDelegate);
118 } // namespace
120 namespace ash {
122 ///////////////////////////////////////////////////////////////////////////////
123 // CustomFrameViewAsh::HeaderView
125 // View which paints the header. It slides off and on screen in immersive
126 // fullscreen.
127 class CustomFrameViewAsh::HeaderView
128 : public views::View,
129 public ImmersiveFullscreenController::Delegate,
130 public ShellObserver {
131 public:
132 // |frame| is the widget that the caption buttons act on.
133 explicit HeaderView(views::Widget* frame);
134 ~HeaderView() override;
136 // Schedules a repaint for the entire title.
137 void SchedulePaintForTitle();
139 // Tells the window controls to reset themselves to the normal state.
140 void ResetWindowControls();
142 // Returns the amount of the view's pixels which should be on screen.
143 int GetPreferredOnScreenHeight() const;
145 // Returns the view's preferred height.
146 int GetPreferredHeight() const;
148 // Returns the view's minimum width.
149 int GetMinimumWidth() const;
151 void UpdateAvatarIcon();
153 void SizeConstraintsChanged();
155 void SetFrameColors(SkColor active_frame_color, SkColor inactive_frame_color);
157 // views::View:
158 void Layout() override;
159 void OnPaint(gfx::Canvas* canvas) override;
160 void ChildPreferredSizeChanged(views::View* child) override;
162 // ShellObserver:
163 void OnMaximizeModeStarted() override;
164 void OnMaximizeModeEnded() override;
166 FrameCaptionButtonContainerView* caption_button_container() {
167 return caption_button_container_;
170 views::View* avatar_icon() const {
171 return avatar_icon_;
174 private:
175 // ImmersiveFullscreenController::Delegate:
176 void OnImmersiveRevealStarted() override;
177 void OnImmersiveRevealEnded() override;
178 void OnImmersiveFullscreenExited() override;
179 void SetVisibleFraction(double visible_fraction) override;
180 std::vector<gfx::Rect> GetVisibleBoundsInScreen() const override;
182 // The widget that the caption buttons act on.
183 views::Widget* frame_;
185 // Helper for painting the header.
186 scoped_ptr<DefaultHeaderPainter> header_painter_;
188 views::ImageView* avatar_icon_;
190 // View which contains the window caption buttons.
191 FrameCaptionButtonContainerView* caption_button_container_;
193 // The fraction of the header's height which is visible while in fullscreen.
194 // This value is meaningless when not in fullscreen.
195 double fullscreen_visible_fraction_;
197 DISALLOW_COPY_AND_ASSIGN(HeaderView);
200 CustomFrameViewAsh::HeaderView::HeaderView(views::Widget* frame)
201 : frame_(frame),
202 header_painter_(new ash::DefaultHeaderPainter),
203 avatar_icon_(NULL),
204 caption_button_container_(NULL),
205 fullscreen_visible_fraction_(0) {
206 caption_button_container_ = new FrameCaptionButtonContainerView(frame_);
207 caption_button_container_->UpdateSizeButtonVisibility();
208 AddChildView(caption_button_container_);
210 header_painter_->Init(frame_, this, caption_button_container_);
211 UpdateAvatarIcon();
213 Shell::GetInstance()->AddShellObserver(this);
216 CustomFrameViewAsh::HeaderView::~HeaderView() {
217 Shell::GetInstance()->RemoveShellObserver(this);
220 void CustomFrameViewAsh::HeaderView::SchedulePaintForTitle() {
221 header_painter_->SchedulePaintForTitle();
224 void CustomFrameViewAsh::HeaderView::ResetWindowControls() {
225 caption_button_container_->ResetWindowControls();
228 int CustomFrameViewAsh::HeaderView::GetPreferredOnScreenHeight() const {
229 if (frame_->IsFullscreen()) {
230 return static_cast<int>(
231 GetPreferredHeight() * fullscreen_visible_fraction_);
233 return GetPreferredHeight();
236 int CustomFrameViewAsh::HeaderView::GetPreferredHeight() const {
237 return header_painter_->GetHeaderHeightForPainting();
240 int CustomFrameViewAsh::HeaderView::GetMinimumWidth() const {
241 return header_painter_->GetMinimumHeaderWidth();
244 void CustomFrameViewAsh::HeaderView::UpdateAvatarIcon() {
245 SessionStateDelegate* delegate =
246 Shell::GetInstance()->session_state_delegate();
247 aura::Window* window = frame_->GetNativeView();
248 bool show = delegate->ShouldShowAvatar(window);
249 if (!show) {
250 if (!avatar_icon_)
251 return;
252 delete avatar_icon_;
253 avatar_icon_ = NULL;
254 } else {
255 gfx::ImageSkia image = GetAvatarImageForContext(
256 delegate->GetBrowserContextForWindow(window)).AsImageSkia();
257 DCHECK(!image.isNull());
258 DCHECK_EQ(image.width(), image.height());
259 if (!avatar_icon_) {
260 avatar_icon_ = new views::ImageView();
261 AddChildView(avatar_icon_);
263 avatar_icon_->SetImage(image);
265 header_painter_->UpdateLeftHeaderView(avatar_icon_);
266 Layout();
269 void CustomFrameViewAsh::HeaderView::SizeConstraintsChanged() {
270 caption_button_container_->ResetWindowControls();
271 caption_button_container_->UpdateSizeButtonVisibility();
272 Layout();
275 void CustomFrameViewAsh::HeaderView::SetFrameColors(
276 SkColor active_frame_color, SkColor inactive_frame_color) {
277 header_painter_->SetFrameColors(active_frame_color, inactive_frame_color);
280 ///////////////////////////////////////////////////////////////////////////////
281 // CustomFrameViewAsh::HeaderView, views::View overrides:
283 void CustomFrameViewAsh::HeaderView::Layout() {
284 header_painter_->LayoutHeader();
287 void CustomFrameViewAsh::HeaderView::OnPaint(gfx::Canvas* canvas) {
288 bool paint_as_active =
289 frame_->non_client_view()->frame_view()->ShouldPaintAsActive();
290 caption_button_container_->SetPaintAsActive(paint_as_active);
292 HeaderPainter::Mode header_mode = paint_as_active ?
293 HeaderPainter::MODE_ACTIVE : HeaderPainter::MODE_INACTIVE;
294 header_painter_->PaintHeader(canvas, header_mode);
297 void CustomFrameViewAsh::HeaderView::
298 ChildPreferredSizeChanged(views::View* child) {
299 // FrameCaptionButtonContainerView animates the visibility changes in
300 // UpdateSizeButtonVisibility(false). Due to this a new size is not available
301 // until the completion of the animation. Layout in response to the preferred
302 // size changes.
303 if (child != caption_button_container_)
304 return;
305 parent()->Layout();
308 ///////////////////////////////////////////////////////////////////////////////
309 // CustomFrameViewAsh::HeaderView, ShellObserver overrides:
311 void CustomFrameViewAsh::HeaderView::OnMaximizeModeStarted() {
312 caption_button_container_->UpdateSizeButtonVisibility();
313 parent()->Layout();
316 void CustomFrameViewAsh::HeaderView::OnMaximizeModeEnded() {
317 caption_button_container_->UpdateSizeButtonVisibility();
318 parent()->Layout();
321 ///////////////////////////////////////////////////////////////////////////////
322 // CustomFrameViewAsh::HeaderView,
323 // ImmersiveFullscreenController::Delegate overrides:
325 void CustomFrameViewAsh::HeaderView::OnImmersiveRevealStarted() {
326 fullscreen_visible_fraction_ = 0;
327 SetPaintToLayer(true);
328 SetFillsBoundsOpaquely(false);
329 parent()->Layout();
332 void CustomFrameViewAsh::HeaderView::OnImmersiveRevealEnded() {
333 fullscreen_visible_fraction_ = 0;
334 SetPaintToLayer(false);
335 parent()->Layout();
338 void CustomFrameViewAsh::HeaderView::OnImmersiveFullscreenExited() {
339 fullscreen_visible_fraction_ = 0;
340 SetPaintToLayer(false);
341 parent()->Layout();
344 void CustomFrameViewAsh::HeaderView::SetVisibleFraction(
345 double visible_fraction) {
346 if (fullscreen_visible_fraction_ != visible_fraction) {
347 fullscreen_visible_fraction_ = visible_fraction;
348 parent()->Layout();
352 std::vector<gfx::Rect>
353 CustomFrameViewAsh::HeaderView::GetVisibleBoundsInScreen() const {
354 // TODO(pkotwicz): Implement views::View::ConvertRectToScreen().
355 gfx::Rect visible_bounds(GetVisibleBounds());
356 gfx::Point visible_origin_in_screen(visible_bounds.origin());
357 views::View::ConvertPointToScreen(this, &visible_origin_in_screen);
358 std::vector<gfx::Rect> bounds_in_screen;
359 bounds_in_screen.push_back(
360 gfx::Rect(visible_origin_in_screen, visible_bounds.size()));
361 return bounds_in_screen;
364 ///////////////////////////////////////////////////////////////////////////////
365 // CustomFrameViewAsh::OverlayView
367 // View which takes up the entire widget and contains the HeaderView. HeaderView
368 // is a child of OverlayView to avoid creating a larger texture than necessary
369 // when painting the HeaderView to its own layer.
370 class CustomFrameViewAsh::OverlayView : public views::View,
371 public views::ViewTargeterDelegate {
372 public:
373 explicit OverlayView(HeaderView* header_view);
374 ~OverlayView() override;
376 // views::View:
377 void Layout() override;
379 private:
380 // views::ViewTargeterDelegate:
381 bool DoesIntersectRect(const views::View* target,
382 const gfx::Rect& rect) const override;
384 HeaderView* header_view_;
386 DISALLOW_COPY_AND_ASSIGN(OverlayView);
389 CustomFrameViewAsh::OverlayView::OverlayView(HeaderView* header_view)
390 : header_view_(header_view) {
391 AddChildView(header_view);
392 SetEventTargeter(
393 scoped_ptr<views::ViewTargeter>(new views::ViewTargeter(this)));
396 CustomFrameViewAsh::OverlayView::~OverlayView() {
399 ///////////////////////////////////////////////////////////////////////////////
400 // CustomFrameViewAsh::OverlayView, views::View overrides:
402 void CustomFrameViewAsh::OverlayView::Layout() {
403 // Layout |header_view_| because layout affects the result of
404 // GetPreferredOnScreenHeight().
405 header_view_->Layout();
407 int onscreen_height = header_view_->GetPreferredOnScreenHeight();
408 if (onscreen_height == 0) {
409 header_view_->SetVisible(false);
410 } else {
411 int height = header_view_->GetPreferredHeight();
412 header_view_->SetBounds(0, onscreen_height - height, width(), height);
413 header_view_->SetVisible(true);
417 ///////////////////////////////////////////////////////////////////////////////
418 // CustomFrameViewAsh::OverlayView, views::ViewTargeterDelegate overrides:
420 bool CustomFrameViewAsh::OverlayView::DoesIntersectRect(
421 const views::View* target,
422 const gfx::Rect& rect) const {
423 CHECK_EQ(target, this);
424 // Grab events in the header view. Return false for other events so that they
425 // can be handled by the client view.
426 return header_view_->HitTestRect(rect);
429 ////////////////////////////////////////////////////////////////////////////////
430 // CustomFrameViewAsh, public:
432 // static
433 const char CustomFrameViewAsh::kViewClassName[] = "CustomFrameViewAsh";
435 CustomFrameViewAsh::CustomFrameViewAsh(views::Widget* frame)
436 : frame_(frame),
437 header_view_(new HeaderView(frame)),
438 frame_border_hit_test_controller_(
439 new FrameBorderHitTestController(frame_)) {
440 // |header_view_| is set as the non client view's overlay view so that it can
441 // overlay the web contents in immersive fullscreen.
442 frame->non_client_view()->SetOverlayView(new OverlayView(header_view_));
444 // A delegate for a more complex way of fullscreening the window may already
445 // be set. This is the case for packaged apps.
446 wm::WindowState* window_state = wm::GetWindowState(frame->GetNativeWindow());
447 if (!window_state->HasDelegate()) {
448 window_state->SetDelegate(scoped_ptr<wm::WindowStateDelegate>(
449 new CustomFrameViewAshWindowStateDelegate(
450 window_state, this)));
454 CustomFrameViewAsh::~CustomFrameViewAsh() {
457 void CustomFrameViewAsh::InitImmersiveFullscreenControllerForView(
458 ImmersiveFullscreenController* immersive_fullscreen_controller) {
459 immersive_fullscreen_controller->Init(header_view_, frame_, header_view_);
462 void CustomFrameViewAsh::SetFrameColors(SkColor active_frame_color,
463 SkColor inactive_frame_color) {
464 header_view_->SetFrameColors(active_frame_color, inactive_frame_color);
467 ////////////////////////////////////////////////////////////////////////////////
468 // CustomFrameViewAsh, views::NonClientFrameView overrides:
470 gfx::Rect CustomFrameViewAsh::GetBoundsForClientView() const {
471 gfx::Rect client_bounds = bounds();
472 client_bounds.Inset(0, NonClientTopBorderHeight(), 0, 0);
473 return client_bounds;
476 gfx::Rect CustomFrameViewAsh::GetWindowBoundsForClientBounds(
477 const gfx::Rect& client_bounds) const {
478 gfx::Rect window_bounds = client_bounds;
479 window_bounds.Inset(0, -NonClientTopBorderHeight(), 0, 0);
480 return window_bounds;
483 int CustomFrameViewAsh::NonClientHitTest(const gfx::Point& point) {
484 return FrameBorderHitTestController::NonClientHitTest(this,
485 header_view_->caption_button_container(), point);
488 void CustomFrameViewAsh::GetWindowMask(const gfx::Size& size,
489 gfx::Path* window_mask) {
490 // No window masks in Aura.
493 void CustomFrameViewAsh::ResetWindowControls() {
494 header_view_->ResetWindowControls();
497 void CustomFrameViewAsh::UpdateWindowIcon() {
500 void CustomFrameViewAsh::UpdateWindowTitle() {
501 header_view_->SchedulePaintForTitle();
504 void CustomFrameViewAsh::SizeConstraintsChanged() {
505 header_view_->SizeConstraintsChanged();
508 ////////////////////////////////////////////////////////////////////////////////
509 // CustomFrameViewAsh, views::View overrides:
511 gfx::Size CustomFrameViewAsh::GetPreferredSize() const {
512 gfx::Size pref = frame_->client_view()->GetPreferredSize();
513 gfx::Rect bounds(0, 0, pref.width(), pref.height());
514 return frame_->non_client_view()->GetWindowBoundsForClientBounds(
515 bounds).size();
518 const char* CustomFrameViewAsh::GetClassName() const {
519 return kViewClassName;
522 gfx::Size CustomFrameViewAsh::GetMinimumSize() const {
523 gfx::Size min_client_view_size(frame_->client_view()->GetMinimumSize());
524 return gfx::Size(
525 std::max(header_view_->GetMinimumWidth(), min_client_view_size.width()),
526 NonClientTopBorderHeight() + min_client_view_size.height());
529 gfx::Size CustomFrameViewAsh::GetMaximumSize() const {
530 gfx::Size max_client_size(frame_->client_view()->GetMaximumSize());
531 int width = 0;
532 int height = 0;
534 if (max_client_size.width() > 0)
535 width = std::max(header_view_->GetMinimumWidth(), max_client_size.width());
536 if (max_client_size.height() > 0)
537 height = NonClientTopBorderHeight() + max_client_size.height();
539 return gfx::Size(width, height);
542 void CustomFrameViewAsh::SchedulePaintInRect(const gfx::Rect& r) {
543 // We may end up here before |header_view_| has been added to the Widget.
544 if (header_view_->GetWidget()) {
545 // The HeaderView is not a child of CustomFrameViewAsh. Redirect the paint
546 // to HeaderView instead.
547 gfx::RectF to_paint(r);
548 views::View::ConvertRectToTarget(this, header_view_, &to_paint);
549 header_view_->SchedulePaintInRect(gfx::ToEnclosingRect(to_paint));
550 } else {
551 views::NonClientFrameView::SchedulePaintInRect(r);
555 void CustomFrameViewAsh::VisibilityChanged(views::View* starting_from,
556 bool is_visible) {
557 if (is_visible)
558 header_view_->UpdateAvatarIcon();
561 ////////////////////////////////////////////////////////////////////////////////
562 // CustomFrameViewAsh, views::ViewTargeterDelegate overrides:
564 views::View* CustomFrameViewAsh::GetHeaderView() {
565 return header_view_;
568 const views::View* CustomFrameViewAsh::GetAvatarIconViewForTest() const {
569 return header_view_->avatar_icon();
572 ////////////////////////////////////////////////////////////////////////////////
573 // CustomFrameViewAsh, private:
575 // views::NonClientFrameView:
576 bool CustomFrameViewAsh::DoesIntersectRect(const views::View* target,
577 const gfx::Rect& rect) const {
578 CHECK_EQ(target, this);
579 // NonClientView hit tests the NonClientFrameView first instead of going in
580 // z-order. Return false so that events get to the OverlayView.
581 return false;
584 FrameCaptionButtonContainerView* CustomFrameViewAsh::
585 GetFrameCaptionButtonContainerViewForTest() {
586 return header_view_->caption_button_container();
589 int CustomFrameViewAsh::NonClientTopBorderHeight() const {
590 return frame_->IsFullscreen() ? 0 : header_view_->GetPreferredHeight();
593 } // namespace ash