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// Copyright (c) 2010 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/cocoa/extension_view_mac.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/renderer_host/render_view_host.h"
#include "chrome/browser/renderer_host/render_widget_host_view_mac.h"
// The minimum/maximum dimensions of the popup.
const CGFloat ExtensionViewMac::kMinWidth = 25.0;
const CGFloat ExtensionViewMac::kMinHeight = 25.0;
const CGFloat ExtensionViewMac::kMaxWidth = 800.0;
const CGFloat ExtensionViewMac::kMaxHeight = 600.0;
ExtensionViewMac::ExtensionViewMac(ExtensionHost* extension_host,
Browser* browser)
: is_toolstrip_(true),
browser_(browser),
extension_host_(extension_host),
render_widget_host_view_(NULL) {
DCHECK(extension_host_);
}
ExtensionViewMac::~ExtensionViewMac() {
if (render_widget_host_view_)
[render_widget_host_view_->native_view() release];
}
void ExtensionViewMac::Init() {
CreateWidgetHostView();
}
gfx::NativeView ExtensionViewMac::native_view() {
DCHECK(render_widget_host_view_);
return render_widget_host_view_->native_view();
}
RenderViewHost* ExtensionViewMac::render_view_host() const {
return extension_host_->render_view_host();
}
void ExtensionViewMac::SetBackground(const SkBitmap& background) {
DCHECK(render_widget_host_view_);
if (render_view_host()->IsRenderViewLive()) {
render_widget_host_view_->SetBackground(background);
} else {
pending_background_ = background;
}
}
void ExtensionViewMac::UpdatePreferredSize(const gfx::Size& new_size) {
// TODO(thakis, erikkay): Windows does some tricks to resize the extension
// view not before it's visible. Do something similar here.
// No need to use CA here, our caller calls us repeatedly to animate the
// resizing.
NSView* view = native_view();
NSRect frame = [view frame];
frame.size.width = new_size.width();
frame.size.height = new_size.height();
// On first display of some extensions, this function is called with zero
// width after the correct size has been set. Bail if zero is seen, assuming
// that an extension's view doesn't want any dimensions to ever be zero.
// TODO(andybons): Verify this assumption and look into WebCore's
// |contentesPreferredWidth| to see why this is occurring.
if (NSIsEmptyRect(frame))
return;
DCHECK([view isKindOfClass:[RenderWidgetHostViewCocoa class]]);
RenderWidgetHostViewCocoa* hostView = (RenderWidgetHostViewCocoa*)view;
// RenderWidgetHostViewCocoa overrides setFrame but not setFrameSize.
// We need to defer the update back to the RenderWidgetHost so we don't
// get the flickering effect on 10.5 of http://crbug.com/31970
[hostView setFrameWithDeferredUpdate:frame];
[hostView setNeedsDisplay:YES];
}
void ExtensionViewMac::RenderViewCreated() {
// Do not allow webkit to draw scroll bars on views smaller than
// the largest size view allowed. The view will be resized to make
// scroll bars unnecessary. Scroll bars change the height of the
// view, so not drawing them is necessary to avoid infinite resizing.
gfx::Size largest_popup_size(
CGSizeMake(ExtensionViewMac::kMaxWidth, ExtensionViewMac::kMaxHeight));
extension_host_->DisableScrollbarsForSmallWindows(largest_popup_size);
if (!pending_background_.empty() && render_view_host()->view()) {
render_widget_host_view_->SetBackground(pending_background_);
pending_background_.reset();
}
}
void ExtensionViewMac::WindowFrameChanged() {
if (render_widget_host_view_)
render_widget_host_view_->WindowFrameChanged();
}
void ExtensionViewMac::CreateWidgetHostView() {
DCHECK(!render_widget_host_view_);
render_widget_host_view_ = new RenderWidgetHostViewMac(render_view_host());
// The RenderWidgetHostViewMac is owned by its native view, which is created
// in an autoreleased state. retain it, so that it doesn't immediately
// disappear.
[render_widget_host_view_->native_view() retain];
extension_host_->CreateRenderViewSoon(render_widget_host_view_);
}
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