Mac fullscreen low power: Add layout interactions and flag

chrome/browser/ui/cocoa/browser_window_controller_private.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller_private.h"
 
 #include <cmath>
 
 #import "base/auto_reset.h"
 #include "base/command_line.h"
@@ skipping 13 matching lines @@
 #import "chrome/browser/ui/cocoa/browser_window_fullscreen_transition.h"
 #import "chrome/browser/ui/cocoa/browser_window_layout.h"
 #import "chrome/browser/ui/cocoa/browser/exclusive_access_controller_views.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_sheet_controller.h"
 #import "chrome/browser/ui/cocoa/custom_frame_view.h"
 #import "chrome/browser/ui/cocoa/dev_tools_controller.h"
 #import "chrome/browser/ui/cocoa/fast_resize_view.h"
 #import "chrome/browser/ui/cocoa/find_bar/find_bar_cocoa_controller.h"
 #import "chrome/browser/ui/cocoa/floating_bar_backing_view.h"
 #import "chrome/browser/ui/cocoa/framed_browser_window.h"
+#include "chrome/browser/ui/cocoa/fullscreen_low_power_coordinator.h"
 #import "chrome/browser/ui/cocoa/fullscreen_window.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_container_controller.h"
 #include "chrome/browser/ui/cocoa/last_active_browser_cocoa.h"
 #import "chrome/browser/ui/cocoa/presentation_mode_controller.h"
 #import "chrome/browser/ui/cocoa/profiles/avatar_button_controller.h"
 #import "chrome/browser/ui/cocoa/profiles/avatar_icon_controller.h"
 #import "chrome/browser/ui/cocoa/status_bubble_mac.h"
 #import "chrome/browser/ui/cocoa/tab_contents/overlayable_contents_controller.h"
 #import "chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_view.h"
@@ skipping 742 matching lines @@
 
   // If the custom transition isn't complete, then just set the flag and
   // return. Once the transition is completed, windowDidExitFullscreen will
   // be called again.
   if (isUsingCustomAnimation_ &&
       ![fullscreenTransition_ isTransitionCompleted]) {
     appKitDidExitFullscreen_ = YES;
     return;
   }
 
+  // Destroy the NSWindow used for fullscreen low power mode.
+  fullscreenLowPowerCoordinator_.reset();
+
   if (notification)  // For System Fullscreen when non-nil.
     [self deregisterForContentViewResizeNotifications];
 
   browser_->WindowFullscreenStateChanged();
   [self.chromeContentView setAutoresizesSubviews:YES];
 
   [self resetCustomAppKitFullscreenVariables];
 
   // Ensures that the permission bubble shows up properly at the front.
   PermissionBubbleManager* manager = [self permissionBubbleManager];
   if (manager && manager->IsBubbleVisible()) {
     NSWindow* bubbleWindow = manager->GetBubbleWindow();
     DCHECK(bubbleWindow);
     [bubbleWindow orderFront:nil];
   }
 
   // Ensure that the window is layout properly.
   [self layoutSubviews];
 }
 
 - (void)windowDidFailToEnterFullScreen:(NSWindow*)window {
   [self deregisterForContentViewResizeNotifications];
   [self resetCustomAppKitFullscreenVariables];
   [self adjustUIForExitingFullscreenAndStopOmniboxSliding];
+  fullscreenLowPowerCoordinator_.reset();
 }
 
 - (void)windowDidFailToExitFullScreen:(NSWindow*)window {
   [self deregisterForContentViewResizeNotifications];
   [self resetCustomAppKitFullscreenVariables];
 
   // Force a relayout to try and get the window back into a reasonable state.
   [self layoutSubviews];
 }
 
@@ skipping 194 matching lines @@
     [floatingBarBackingView_ setFrame:output.fullscreenBackingBarFrame];
     [presentationModeController_
         overlayFrameChanged:output.fullscreenBackingBarFrame];
   }
 
   [findBarCocoaController_
       positionFindBarViewAtMaxY:output.findBarMaxY
                        maxWidth:NSWidth(output.contentAreaFrame)];
 
   exclusiveAccessController_->Layout(output.fullscreenExitButtonMaxY);
+
+  if (fullscreenLowPowerCoordinator_) {
+    fullscreenLowPowerCoordinator_->SetLayoutParameters(
+        output.toolbarFrame, output.infoBarFrame, output.contentAreaFrame,
+        output.downloadShelfFrame);
+  }
 }
 
 - (void)updateSubviewZOrder {
   if ([self isInAnyFullscreenMode])
     [self updateSubviewZOrderFullscreen];
   else
     [self updateSubviewZOrderNormal];
 }
 
 - (void)updateSubviewZOrderNormal {
@@ skipping 133 matching lines @@
   exitingAppKitFullscreen_ = NO;
   isUsingCustomAnimation_ = NO;
 }
 
 - (NSArray*)customWindowsToEnterFullScreenForWindow:(NSWindow*)window {
   DCHECK([window isEqual:self.window]);
 
   if (![self shouldUseCustomAppKitFullscreenTransition:YES])
     return nil;
 
+  WebContents* webContents = [self webContents];
+  NSWindow* lowPowerWindow = nil;
+  if (webContents) {
+    fullscreenLowPowerCoordinator_.reset(new FullscreenLowPowerCoordinatorCocoa(
+        [self window],
+        webContents->GetRenderWidgetHostView()->GetAcceleratedWidgetMac()));
+    lowPowerWindow =
+        fullscreenLowPowerCoordinator_->GetFullscreenLowPowerWindow();
+  }
+
   fullscreenTransition_.reset(
       [[BrowserWindowFullscreenTransition alloc] initEnterWithController:self]);
 
   NSArray* customWindows =
       [fullscreenTransition_ customWindowsForFullScreenTransition];
+  if (customWindows && lowPowerWindow)
+    customWindows = [customWindows arrayByAddingObject:lowPowerWindow];
+  else
+    fullscreenLowPowerCoordinator_.reset();
+
   isUsingCustomAnimation_ = customWindows != nil;
   return customWindows;
 }
 
 - (NSArray*)customWindowsToExitFullScreenForWindow:(NSWindow*)window {
   DCHECK([window isEqual:self.window]);
 
   if (![self shouldUseCustomAppKitFullscreenTransition:NO])
     return nil;
 
@@ skipping 40 matching lines @@
 }
 
 - (BOOL)isFullscreenForTabContentOrExtension {
   FullscreenController* controller =
       browser_->exclusive_access_manager()->fullscreen_controller();
   return controller->IsWindowFullscreenForTabOrPending() ||
          controller->IsExtensionFullscreenOrPending();
 }
 
 @end  // @implementation BrowserWindowController(Private)