Portable electronic device, method, and graphical user interface for displaying structured electronic documents

An electronic device, comprising:

• a touch screen display;
• one or more processors;
• and
• memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions to:
• display, on the touch screen display of the electronic device, at least a portion of a structured electronic document, wherein the structured electronic document comprises content that includes an item of inline multimedia content in the displayed portion of the structured electronic document;
• detect a first gesture on the item of inline multimedia content in the displayed portion of the structured electronic document;
• in response to detecting the first gesture:
• enlarge the item of inline multimedia content on the touch screen display;
• and
• cease to display other content in the structured electronic document besides the enlarged item of inline multimedia content;
• while the enlarged item of inline multimedia content is displayed, detect a second gesture on the touch screen display;
• in response to detecting the second gesture, display one or more playback controls for playing the enlarged item of inline multimedia content;
• detect a third gesture on the one of the playback controls;
• and
• in response to detecting the third gesture, play the enlarged item of inline multimedia content.

A non-transitory computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by an electronic device, cause the electronic device to:

• display, on the touch screen display of the electronic device, at least a portion of a structured electronic document, wherein the structured electronic document comprises content that includes an item of inline multimedia content in the displayed portion of the structured electronic document;
• detect a first gesture on the item of inline multimedia content in the displayed portion of the structured electronic document;
• in response to detecting the first gesture:
• enlarge the item of inline multimedia content on the touch screen display;
• and
• cease to display other content in the structured electronic document besides the enlarged item of inline multimedia content;
• while the enlarged item of inline multimedia content is displayed, detect a second gesture on the touch screen display;
• in response to detecting the second gesture, display one or more playback controls for playing the enlarged item of inline multimedia content;
• detect a third gesture on the one of the playback controls;
• and
• in response to detecting the third gesture, play the enlarged item of inline multimedia content.