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// Copyright (c) 2011 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_input_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_input_window_controller.h"
#include "content/browser/tab_contents/tab_contents.h"
#include "content/browser/tab_contents/tab_contents_view.h"
#include "skia/ext/skia_utils_mac.h"
namespace {
// A class to bridge between the speech recognition C++ code and the Objective-C
// bubble implementation. See chrome/browser/speech/speech_input_bubble.h for
// more information on how this gets used.
class SpeechInputBubbleImpl : public SpeechInputBubbleBase {
public:
SpeechInputBubbleImpl(TabContents* tab_contents,
Delegate* delegate,
const gfx::Rect& element_rect);
virtual ~SpeechInputBubbleImpl();
virtual void Show();
virtual void Hide();
virtual void UpdateLayout();
virtual void UpdateImage();
private:
scoped_nsobject<SpeechInputWindowController> window_;
Delegate* delegate_;
gfx::Rect element_rect_;
};
SpeechInputBubbleImpl::SpeechInputBubbleImpl(TabContents* tab_contents,
Delegate* delegate,
const gfx::Rect& element_rect)
: SpeechInputBubbleBase(tab_contents),
delegate_(delegate),
element_rect_(element_rect) {
}
SpeechInputBubbleImpl::~SpeechInputBubbleImpl() {
if (window_.get())
[window_.get() close];
}
void SpeechInputBubbleImpl::UpdateImage() {
if (window_.get())
[window_.get() setImage:gfx::SkBitmapToNSImage(icon_image())];
}
void SpeechInputBubbleImpl::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 = tab_contents()->view()->GetNativeView();
NSWindow* parentWindow = tab_contents()->view()->GetTopLevelNativeWindow();
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 = NSZeroPoint;
if (anchor_x < 0 || anchor_y < 0 ||
anchor_x > NSWidth([parentWindow frame]) ||
anchor_y > NSHeight([parentWindow frame])) {
LocationBarViewMac* locationBar =
[[parentWindow windowController] locationBarBridge];
anchor = locationBar->GetPageInfoBubblePoint();
} else {
anchor = NSMakePoint(anchor_x, anchor_y);
}
anchor = [view convertPoint:anchor toView:nil];
anchor = [[view window] convertBaseToScreen:anchor];
window_.reset([[SpeechInputWindowController alloc]
initWithParentWindow:parentWindow
delegate:delegate_
anchoredAt:anchor]);
UpdateLayout();
[window_.get() show];
}
void SpeechInputBubbleImpl::Hide() {
if (!window_.get())
return;
[window_.get() close];
window_.reset();
}
void SpeechInputBubbleImpl::UpdateLayout() {
if (!window_.get())
return;
[window_.get() updateLayout:display_mode()
messageText:message_text()
iconImage:gfx::SkBitmapToNSImage(icon_image())];
}
} // namespace
SpeechInputBubble* SpeechInputBubble::CreateNativeBubble(
TabContents* tab_contents,
Delegate* delegate,
const gfx::Rect& element_rect) {
return new SpeechInputBubbleImpl(tab_contents, delegate, element_rect);
}
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