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Add support for loading extensions (issue #1947)

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- Add CefRequestContext::LoadExtension, CefExtension, CefExtensionHandler and
  related methods/interfaces.
- Add chrome://extensions-support that lists supported Chrome APIs.
- Add CefBrowserHost::SetAutoResizeEnabled and CefDisplayHandler::OnAutoResize
  to support browser resize based on preferred web contents size.
- views: Add support for custom CefMenuButton popups.
- cefclient: Run with `--load-extension=set_page_color` command-line flag for
  an extension loading example. Add `--use-views` on Windows and Linux for an
  even better example.
This commit is contained in:
Marshall Greenblatt
2017-08-03 18:55:19 -04:00
parent 5b12134a45
commit 9cff99dc4e
178 changed files with 10360 additions and 650 deletions
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64
libcef/browser/extensions/api/tabs/tabs_api.h
View File

@ -5,7 +5,10 @@
#ifndef CEF_LIBCEF_BROWSER_EXTENSIONS_API_TABS_TABS_API_H_
#define CEF_LIBCEF_BROWSER_EXTENSIONS_API_TABS_TABS_API_H_
#include "libcef/browser/extensions/extension_function_details.h"
#include "chrome/common/extensions/api/tabs.h"
#include "extensions/browser/api/execute_code_function.h"
#include "extensions/browser/extension_function.h"
// The contents of this file are extracted from
@ -26,17 +29,72 @@ class TabsGetFunction : public UIThreadExtensionFunction {
DECLARE_EXTENSION_FUNCTION("tabs.get", TABS_GET)
};
// Implement API call tabs.executeScript and tabs.insertCSS.
class ExecuteCodeInTabFunction : public ExecuteCodeFunction {
public:
ExecuteCodeInTabFunction();
protected:
~ExecuteCodeInTabFunction() override;
// ExtensionFunction:
bool HasPermission() override;
// Initializes |execute_tab_id_| and |details_|.
InitResult Init() override;
bool CanExecuteScriptOnPage() override;
ScriptExecutor* GetScriptExecutor() override;
bool IsWebView() const override;
const GURL& GetWebViewSrc() const override;
bool LoadFile(const std::string& file) override;
private:
const CefExtensionFunctionDetails cef_details_;
void LoadFileComplete(const std::string& file,
std::unique_ptr<std::string> data);
// Id of tab which executes code.
int execute_tab_id_;
};
class TabsExecuteScriptFunction : public ExecuteCodeInTabFunction {
protected:
bool ShouldInsertCSS() const override;
private:
~TabsExecuteScriptFunction() override {}
void OnExecuteCodeFinished(const std::string& error,
const GURL& on_url,
const base::ListValue& script_result) override;
DECLARE_EXTENSION_FUNCTION("tabs.executeScript", TABS_EXECUTESCRIPT)
};
class TabsInsertCSSFunction : public ExecuteCodeInTabFunction {
private:
~TabsInsertCSSFunction() override {}
bool ShouldInsertCSS() const override;
DECLARE_EXTENSION_FUNCTION("tabs.insertCSS", TABS_INSERTCSS)
};
class ZoomAPIFunction : public AsyncExtensionFunction {
public:
ZoomAPIFunction();
protected:
~ZoomAPIFunction() override {}
// Gets the WebContents for |tab_id| if it is specified. Otherwise get the
// WebContents for the active tab in the current window. Calling this function
// may set error_.
//
// TODO(...) many other tabs API functions use similar behavior. There should
// be a way to share this implementation somehow.
content::WebContents* GetWebContents(int tab_id);
private:
const CefExtensionFunctionDetails cef_details_;
};
class TabsSetZoomFunction : public ZoomAPIFunction {