blob: 6eb13081e66073ac0e79848bafae19ebec315197 [file] [log] [blame]
// Copyright 2014 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/contents_web_view.h"
#include "chrome/browser/themes/theme_properties.h"
#include "chrome/browser/ui/views/status_bubble_views.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/web_contents.h"
#include "ui/base/theme_provider.h"
#include "ui/compositor/layer_tree_owner.h"
#include "ui/views/background.h"
#if defined(USE_AURA)
#include "ui/aura/window.h"
#include "ui/wm/core/window_util.h"
#endif
ContentsWebView::ContentsWebView(content::BrowserContext* browser_context)
: views::WebView(browser_context),
status_bubble_(nullptr) {
}
ContentsWebView::~ContentsWebView() {
}
void ContentsWebView::SetStatusBubble(StatusBubbleViews* status_bubble) {
status_bubble_ = status_bubble;
DCHECK(!status_bubble_ || status_bubble_->base_view() == this);
if (status_bubble_)
status_bubble_->Reposition();
}
bool ContentsWebView::GetNeedsNotificationWhenVisibleBoundsChange() const {
return true;
}
void ContentsWebView::OnVisibleBoundsChanged() {
if (status_bubble_)
status_bubble_->Reposition();
}
void ContentsWebView::ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) {
WebView::ViewHierarchyChanged(details);
if (details.is_add)
UpdateBackgroundColor();
}
void ContentsWebView::OnThemeChanged() {
UpdateBackgroundColor();
}
void ContentsWebView::OnLetterboxingChanged() {
UpdateBackgroundColor();
}
void ContentsWebView::UpdateBackgroundColor() {
const ui::ThemeProvider* const theme = GetThemeProvider();
if (!theme)
return;
const SkColor ntp_background = color_utils::GetResultingPaintColor(
theme->GetColor(ThemeProperties::COLOR_NTP_BACKGROUND), SK_ColorWHITE);
if (is_letterboxing()) {
// Set the background color to a dark tint of the new tab page's background
// color. This is the color filled within the WebView's bounds when its
// child view is sized specially for fullscreen tab capture. See WebView
// header file comments for more details.
const int kBackgroundBrightness = 0x33; // 20%
// Make sure the background is opaque.
const SkColor dimmed_ntp_background = SkColorSetARGB(
SkColorGetA(ntp_background),
SkColorGetR(ntp_background) * kBackgroundBrightness / 0xFF,
SkColorGetG(ntp_background) * kBackgroundBrightness / 0xFF,
SkColorGetB(ntp_background) * kBackgroundBrightness / 0xFF);
SetBackground(views::CreateSolidBackground(dimmed_ntp_background));
} else {
SetBackground(views::CreateSolidBackground(ntp_background));
}
// Changing a view's background does not necessarily schedule the view to be
// redrawn.
SchedulePaint();
if (web_contents()) {
content::RenderWidgetHostView* rwhv =
web_contents()->GetRenderWidgetHostView();
if (rwhv)
rwhv->SetBackgroundColor(ntp_background);
}
}
std::unique_ptr<ui::Layer> ContentsWebView::RecreateLayer() {
std::unique_ptr<ui::Layer> old_layer = View::RecreateLayer();
if (cloned_layer_tree_ && old_layer) {
// Our layer has been recreated and we have a clone of the WebContents
// layer. Combined this means we're about to be destroyed and an animation
// is in effect. The animation cloned our layer, but it won't create another
// clone of the WebContents layer (|cloned_layer_tree_|). Another clone
// is not created as the clone has no owner (see CloneChildren()). Because
// we want the WebContents layer clone to be animated we move it to the
// old_layer, which is the layer the animation happens on. This animation
// ends up owning the layer (and all its descendants).
old_layer->Add(cloned_layer_tree_->release());
cloned_layer_tree_.reset();
}
return old_layer;
}
void ContentsWebView::CloneWebContentsLayer() {
if (!web_contents())
return;
#if defined(USE_AURA)
// We don't need to clone the layers on non-Aura (Mac), because closing an
// NSWindow does not animate.
cloned_layer_tree_ = wm::RecreateLayers(web_contents()->GetNativeView());
#endif
if (!cloned_layer_tree_ || !cloned_layer_tree_->root()) {
cloned_layer_tree_.reset();
return;
}
SetPaintToLayer();
// The cloned layer is in a different coordinate system them our layer (which
// is now the new parent of the cloned layer). Convert coordinates so that the
// cloned layer appears at the right location.
gfx::PointF origin;
ui::Layer::ConvertPointToLayer(cloned_layer_tree_->root(), layer(), &origin);
cloned_layer_tree_->root()->SetBounds(
gfx::Rect(gfx::ToFlooredPoint(origin),
cloned_layer_tree_->root()->bounds().size()));
layer()->Add(cloned_layer_tree_->root());
}
void ContentsWebView::DestroyClonedLayer() {
cloned_layer_tree_.reset();
DestroyLayer();
}
void ContentsWebView::RenderViewReady() {
// Set the background color to be the theme's ntp background on startup.
UpdateBackgroundColor();
WebView::RenderViewReady();
}