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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.
#import <Cocoa/Cocoa.h>
#include "chrome/browser/speech/speech_recognition_bubble.h"
#import "base/memory/scoped_nsobject.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/cocoa/browser_window_cocoa.h"
#include "chrome/browser/ui/cocoa/browser_window_controller.h"
#include "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
#import "chrome/browser/ui/cocoa/speech_recognition_window_controller.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#include "ui/gfx/image/image_skia_util_mac.h"
using content::WebContents;
namespace {
// A class to bridge between the speech recognition C++ code and the Objective-C
// bubble implementation. See chrome/browser/speech/speech_recognition_bubble.h
// for more information on how this gets used.
class SpeechRecognitionBubbleImpl : public SpeechRecognitionBubbleBase {
public:
SpeechRecognitionBubbleImpl(WebContents* web_contents,
Delegate* delegate,
const gfx::Rect& element_rect);
virtual ~SpeechRecognitionBubbleImpl();
virtual void Show();
virtual void Hide();
virtual void UpdateLayout();
virtual void UpdateImage();
private:
scoped_nsobject<SpeechRecognitionWindowController> window_;
Delegate* delegate_;
gfx::Rect element_rect_;
};
SpeechRecognitionBubbleImpl::SpeechRecognitionBubbleImpl(
WebContents* web_contents,
Delegate* delegate,
const gfx::Rect& element_rect)
: SpeechRecognitionBubbleBase(web_contents),
delegate_(delegate),
element_rect_(element_rect) {
}
SpeechRecognitionBubbleImpl::~SpeechRecognitionBubbleImpl() {
if (window_.get())
[window_.get() close];
}
void SpeechRecognitionBubbleImpl::UpdateImage() {
if (window_.get())
[window_.get() setImage:gfx::NSImageFromImageSkia(icon_image())];
}
void SpeechRecognitionBubbleImpl::Show() {
if (window_.get()) {
[window_.get() show];
return;
}
// Find the screen coordinates for the given tab and position the bubble's
// arrow anchor point inside that to point at the bottom-left of the html
// input element rect if the position is valid, otherwise point it towards
// the page icon in the omnibox.
gfx::NativeView view = GetWebContents()->GetView()->GetNativeView();
NSWindow* parent_window = [view window];
NSRect tab_bounds = [view bounds];
int anchor_x = tab_bounds.origin.x + element_rect_.x() +
element_rect_.width() - kBubbleTargetOffsetX;
int anchor_y = tab_bounds.origin.y + tab_bounds.size.height -
element_rect_.y() - element_rect_.height();
NSPoint anchor = NSMakePoint(anchor_x, anchor_y);
if (NSPointInRect(anchor, tab_bounds)) {
// Good, convert to window coordinates.
anchor = [view convertPoint:anchor toView:nil];
} else {
LocationBarViewMac* locationBar =
[[parent_window windowController] locationBarBridge];
if (locationBar) {
anchor = locationBar->GetPageInfoBubblePoint();
} else {
// This is very rare, but possible. Just use the top-left corner.
// See http://crbug.com/119237
anchor = NSMakePoint(NSMinX(tab_bounds), NSMaxY(tab_bounds));
anchor = [view convertPoint:anchor toView:nil];
}
}
anchor = [parent_window convertBaseToScreen:anchor];
window_.reset([[SpeechRecognitionWindowController alloc]
initWithParentWindow:parent_window
delegate:delegate_
anchoredAt:anchor]);
UpdateLayout();
[window_.get() show];
}
void SpeechRecognitionBubbleImpl::Hide() {
if (!window_.get())
return;
[window_.get() close];
window_.reset();
}
void SpeechRecognitionBubbleImpl::UpdateLayout() {
if (!window_.get())
return;
[window_.get() updateLayout:display_mode()
messageText:message_text()
iconImage:gfx::NSImageFromImageSkia(icon_image())];
}
} // namespace
SpeechRecognitionBubble* SpeechRecognitionBubble::CreateNativeBubble(
WebContents* web_contents,
Delegate* delegate,
const gfx::Rect& element_rect) {
return new SpeechRecognitionBubbleImpl(web_contents, delegate, element_rect);
}
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