Index: chrome/browser/instant/instant_overlay.h |
diff --git a/chrome/browser/instant/instant_overlay.h b/chrome/browser/instant/instant_overlay.h |
new file mode 100644 |
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+++ b/chrome/browser/instant/instant_overlay.h |
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+// Copyright 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. |
+ |
+#ifndef CHROME_BROWSER_INSTANT_INSTANT_OVERLAY_H_ |
+#define CHROME_BROWSER_INSTANT_INSTANT_OVERLAY_H_ |
+ |
+#include <string> |
+#include <vector> |
+ |
+#include "base/basictypes.h" |
+#include "base/compiler_specific.h" |
+#include "base/memory/scoped_ptr.h" |
+#include "base/string16.h" |
+#include "chrome/browser/history/history_types.h" |
+#include "chrome/browser/instant/instant_loader.h" |
+#include "chrome/browser/instant/instant_page.h" |
+ |
+struct InstantAutocompleteResult; |
+class InstantController; |
+class Profile; |
+struct ThemeBackgroundInfo; |
+ |
+namespace chrome { |
+namespace search { |
+struct Mode; |
+} |
+} |
+ |
+namespace content { |
+class WebContents; |
+} |
+ |
+// InstantOverlay is used to communicate with a preview WebContents that it owns |
+// and loads the "Instant URL" into. This preview can appear and disappear at |
+// will as the user types in the omnibox (compare: InstantTab, which talks to a |
+// committed tab on the tab strip). |
+class InstantOverlay : public InstantPage, |
+ public InstantLoader::Delegate { |
+ public: |
+ // Returns the InstantOverlay for |contents| if it's used for Instant. |
+ static InstantOverlay* FromWebContents(const content::WebContents* contents); |
+ |
+ // Doesn't take ownership of |controller|. |
+ InstantOverlay(InstantController* controller, const std::string& instant_url); |
+ virtual ~InstantOverlay(); |
+ |
+ // Creates a new WebContents and loads |instant_url_| into it. Uses |
+ // |active_tab|, if non-NULL, to initialize the size of the WebContents. |
+ void InitContents(Profile* profile, |
+ const content::WebContents* active_tab); |
+ |
+ // Overriden from InstantPage. |
+ virtual content::WebContents* contents() const OVERRIDE { |
+ return loader_->contents(); |
+ } |
+ |
+ // Releases the overlay WebContents passing ownership to the caller. This |
+ // should be called when the overlay is committed. |
+ content::WebContents* ReleaseContents() WARN_UNUSED_RESULT; |
+ |
+ // Returns the URL that we're loading. |
+ const std::string& instant_url() const { return instant_url_; } |
+ |
+ // Returns whether the underlying contents is stale (i.e. was loaded too long |
+ // ago). |
+ bool is_stale() const { return is_stale_; } |
+ |
+ // Returns true if the mouse or a touch pointer is down due to activating the |
+ // preview contents. |
+ bool is_pointer_down_from_activate() const { |
+ return is_pointer_down_from_activate_; |
+ } |
+ |
+ // Returns info about the last navigation by the Instant page. If the page |
+ // hasn't navigated since the last Update(), the URL is empty. |
+ const history::HistoryAddPageArgs& last_navigation() const { |
+ return last_navigation_; |
+ } |
+ |
+ // Called by the history tab helper with information that it would have added |
+ // to the history service had this WebContents not been used for Instant. |
+ void DidNavigate(const history::HistoryAddPageArgs& add_page_args); |
+ |
+ // Returns true if the overlay is using |
+ // InstantController::kLocalOmniboxPopupURL as the |instant_url_|. |
+ bool IsUsingLocalPreview() const; |
+ |
+ private: |
+ // Overriden from InstantLoader::Delegate. |
+ virtual content::WebContents* ReplaceAndReleaseContents( |
+ content::WebContents* new_contents) OVERRIDE; |
+ virtual void OnFocus() OVERRIDE; |
+ virtual bool OnOpenURL() OVERRIDE; |
+ virtual void SetPointerDown() OVERRIDE; |
+ virtual void MaybeCommitFromPointerRelease() OVERRIDE; |
+ virtual void OnStalePage() OVERRIDE; |
+ |
+ // Overridden from InstantAPIWrapper::Controller. |
+ virtual void OnUpdate() OVERRIDE; |
+ virtual bool OnRenderViewGone() const OVERRIDE; |
+ virtual bool OnAboutToNavigateMainFrame() const OVERRIDE; |
+ virtual bool OnSetSuggestions() const OVERRIDE; |
+ virtual bool OnShowInstantPreview() const OVERRIDE; |
+ virtual bool OnStartCapturingKeyStrokes() const OVERRIDE; |
+ virtual bool OnStopCapturingKeyStrokes() const OVERRIDE; |
+ virtual bool OnNavigateToURL() const OVERRIDE; |
+ |
+ scoped_ptr<InstantLoader> loader_; |
+ const std::string instant_url_; |
+ bool is_stale_; |
+ bool is_pointer_down_from_activate_; |
+ history::HistoryAddPageArgs last_navigation_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(InstantOverlay); |
+}; |
+ |
+#endif // CHROME_BROWSER_INSTANT_INSTANT_OVERLAY_H_ |